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[23.83.245.51]) by smtp.gmail.com with ESMTPSA id p29sm6564587pgm.64.2021.02.11.06.36.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 06:37:02 -0800 (PST) From: Nuo Mi To: ffmpeg-devel@ffmpeg.org Date: Thu, 11 Feb 2021 22:36:06 +0800 Message-Id: <20210211143611.5663-6-nuomi2021@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210211143611.5663-1-nuomi2021@gmail.com> References: <20210125141507.11012-1-nuomi2021@gmail.com> <20210211143611.5663-1-nuomi2021@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v5 05/10] avcodec: add cbs for h266/vvc X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Nuo Mi Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- configure | 2 + libavcodec/Makefile | 1 + libavcodec/cbs.c | 6 + libavcodec/cbs_h2645.c | 574 ++++- libavcodec/cbs_h266.h | 817 +++++++ libavcodec/cbs_h266_syntax_template.c | 3006 +++++++++++++++++++++++++ libavcodec/cbs_internal.h | 3 +- libavcodec/cbs_sei.c | 29 + 8 files changed, 4430 insertions(+), 8 deletions(-) create mode 100644 libavcodec/cbs_h266.h create mode 100644 libavcodec/cbs_h266_syntax_template.c diff --git a/configure b/configure index a76c2ec4ae..11df59a229 100755 --- a/configure +++ b/configure @@ -2355,6 +2355,7 @@ CONFIG_EXTRA=" cbs_av1 cbs_h264 cbs_h265 + cbs_h266 cbs_jpeg cbs_mpeg2 cbs_vp9 @@ -2623,6 +2624,7 @@ threads_if_any="$THREADS_LIST" cbs_av1_select="cbs" cbs_h264_select="cbs" cbs_h265_select="cbs" +cbs_h266_select="cbs" cbs_jpeg_select="cbs" cbs_mpeg2_select="cbs" cbs_vp9_select="cbs" diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 77a4b8ca38..15250fd36f 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -73,6 +73,7 @@ OBJS-$(CONFIG_CBS) += cbs.o cbs_bsf.o OBJS-$(CONFIG_CBS_AV1) += cbs_av1.o OBJS-$(CONFIG_CBS_H264) += cbs_h2645.o cbs_sei.o h2645_parse.o OBJS-$(CONFIG_CBS_H265) += cbs_h2645.o cbs_sei.o h2645_parse.o +OBJS-$(CONFIG_CBS_H266) += cbs_h2645.o cbs_sei.o h2645_parse.o OBJS-$(CONFIG_CBS_JPEG) += cbs_jpeg.o OBJS-$(CONFIG_CBS_MPEG2) += cbs_mpeg2.o OBJS-$(CONFIG_CBS_VP9) += cbs_vp9.o diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c index ecf22b3fdb..6baf21d62b 100644 --- a/libavcodec/cbs.c +++ b/libavcodec/cbs.c @@ -39,6 +39,9 @@ static const CodedBitstreamType *const cbs_type_table[] = { #if CONFIG_CBS_H265 &ff_cbs_type_h265, #endif +#if CONFIG_CBS_H266 + &ff_cbs_type_h266, +#endif #if CONFIG_CBS_JPEG &ff_cbs_type_jpeg, #endif @@ -60,6 +63,9 @@ const enum AVCodecID ff_cbs_all_codec_ids[] = { #if CONFIG_CBS_H265 AV_CODEC_ID_H265, #endif +#if CONFIG_CBS_H266 + AV_CODEC_ID_H266, +#endif #if CONFIG_CBS_JPEG AV_CODEC_ID_MJPEG, #endif diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index fdc527f8e8..81177c1096 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -24,12 +24,129 @@ #include "cbs_internal.h" #include "cbs_h264.h" #include "cbs_h265.h" +#include "cbs_h266.h" #include "h264.h" #include "h264_sei.h" #include "h2645_parse.h" #include "hevc.h" #include "hevc_sei.h" +#include "vvc.h" +#define H266_IS_SLICE(nut) (nut <= VVC_RASL_NUT || (nut >= VVC_IDR_W_RADL && nut <= VVC_GDR_NUT)) +#define H266_IS_IDR(nut) (nut == VVC_IDR_W_RADL || nut == VVC_IDR_N_LP) + +static void h266_au_detector_init(H266AuDetector* d) +{ + if (!d->inited) { + d->prev_layer_id = UINT8_MAX; + d->prev_poc = INT_MAX; + d->prev_tid0_poc = INT_MAX; + d->inited = 1; + } +} + +//8.3.1 Decoding process for picture order count. +//VTM did not follow the spec, and it's much simpler than spec. +//We follow the VTM. +static int h266_get_slice_poc(CodedBitstreamH266Context *h266, void* log_ctx, + const H266RawPH *ph, const H266RawSliceHeader *slice, + int *poc) +{ + int poc_msb, max_poc_lsb, poc_lsb; + H266AuDetector* d = &h266->priv.au_detector; + const H266RawSPS* sps; + const H266RawPPS* pps; + + pps = h266->pps[ph->ph_pic_parameter_set_id]; + if (!pps) { + av_log(log_ctx, AV_LOG_ERROR, "PPS id %d is not avaliable.\n", + ph->ph_pic_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + sps = h266->sps[pps->pps_seq_parameter_set_id]; + if (!sps) { + av_log(log_ctx, AV_LOG_ERROR, "SPS id %d is not avaliable.\n", + pps->pps_seq_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + max_poc_lsb = 1 << (sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4); + poc_lsb = ph->ph_pic_order_cnt_lsb; + if (H266_IS_IDR(slice->nal_unit_header.nal_unit_type)) { + if (ph->ph_poc_msb_cycle_present_flag) + poc_msb = ph->ph_poc_msb_cycle_val * max_poc_lsb; + else + poc_msb = 0; + } else { + int prev_poc = d->prev_tid0_poc; + int prev_poc_lsb = prev_poc & (max_poc_lsb - 1); + int prev_poc_msb = prev_poc - prev_poc_lsb; + if (ph->ph_poc_msb_cycle_present_flag) { + poc_msb = ph->ph_poc_msb_cycle_val * max_poc_lsb; + } else { + if ((poc_lsb < prev_poc_lsb) && ((prev_poc_lsb - poc_lsb) >= (max_poc_lsb / 2))) + poc_msb = prev_poc_msb + max_poc_lsb; + else if ((poc_lsb > prev_poc_lsb) && ((poc_lsb - prev_poc_lsb) > (max_poc_lsb / 2))) + poc_msb = prev_poc_msb - max_poc_lsb; + else + poc_msb = prev_poc_msb; + } + } + + *poc = poc_msb + poc_lsb; + return 0; +} + +int h266_is_au_start(CodedBitstreamH266Context *h266, CodedBitstreamFragment *pu, void* log_ctx) +{ + //7.4.2.4.3 + H266AuDetector *d = &h266->priv.au_detector; + int i, ret; + const H266RawNALUnitHeader *nal; + const H266RawPH *ph = h266->ph; + const H266RawSlice *slice = NULL; + int poc, nut; + + if (!ph) { + av_log(log_ctx, AV_LOG_ERROR, "can't find picture header in picutre unit.\n"); + return AVERROR_INVALIDDATA; + } + for (i = 0; i < pu->nb_units; i++) { + nal = pu->units[i].content; + if (!nal) + continue; + if (H266_IS_SLICE(nal->nal_unit_type)) { + slice = pu->units[i].content; + break; + } + } + if (!slice) { + av_log(log_ctx, AV_LOG_ERROR, "can't find first slice.\n"); + return AVERROR_INVALIDDATA; + } + + h266_au_detector_init(&h266->priv.au_detector); + + if ((ret = h266_get_slice_poc(h266, log_ctx, ph, &slice->header, &poc)) < 0) + return ret; + + ret = (nal->nuh_layer_id <= d->prev_layer_id) || (poc != d->prev_poc); + + nut = nal->nal_unit_type; + d->prev_layer_id = nal->nuh_layer_id; + d->prev_poc = poc; + if (nal->nuh_temporal_id_plus1 == 1 && + !ph->ph_non_ref_pic_flag && nut != VVC_RADL_NUT && nut != VVC_RASL_NUT) { + d->prev_tid0_poc = poc; + } + return ret; +} + +static av_always_inline unsigned int h266_ceil(unsigned int v, unsigned int align) +{ + return (((v) + (align) - 1) / (align)); +} static int cbs_read_ue_golomb(CodedBitstreamContext *ctx, GetBitContext *gbc, const char *name, const int *subscripts, @@ -257,6 +374,7 @@ static int cbs_h265_payload_extension_present(GetBitContext *gbc, uint32_t paylo #define FUNC_NAME1(rw, codec, name) FUNC_NAME2(rw, codec, name) #define FUNC_H264(name) FUNC_NAME1(READWRITE, h264, name) #define FUNC_H265(name) FUNC_NAME1(READWRITE, h265, name) +#define FUNC_H266(name) FUNC_NAME1(READWRITE, h266, name) #define FUNC_SEI(name) FUNC_NAME1(READWRITE, sei, name) #define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL) @@ -371,6 +489,10 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc) #include "cbs_h265_syntax_template.c" #undef FUNC +#define FUNC(name) FUNC_H266(name) +#include "cbs_h266_syntax_template.c" +#undef FUNC + #undef READ #undef READWRITE #undef RWContext @@ -449,6 +571,10 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc) #include "cbs_h265_syntax_template.c" #undef FUNC +#define FUNC(name) FUNC_H266(name) +#include "cbs_h266_syntax_template.c" +#undef FUNC + #undef WRITE #undef READWRITE #undef RWContext @@ -515,6 +641,12 @@ static int cbs_h2645_split_fragment(CodedBitstreamContext *ctx, if (frag->data_size == 0) return 0; + if (codec_id == AV_CODEC_ID_VVC) { + //we deactive picture header here to avoid reuse previous frame's ph. + CodedBitstreamH266Context* h266 = ctx->priv_data; + h266->ph = NULL; + } + if (header && frag->data[0] && codec_id == AV_CODEC_ID_H264) { // AVCC header. size_t size, start, end; @@ -726,6 +858,45 @@ static int cbs_h2645_replace_ps(CodedBitstreamContext *ctx, }, }; + static const PSType h266_ps_types[] = { + { + VVC_VPS_NUT, + VVC_MAX_VPS_COUNT, + "VPS", + offsetof(H266RawVPS, vps_video_parameter_set_id), + offsetof(CodedBitstreamH266Context, vps_ref), + offsetof(CodedBitstreamH266Context, vps), + INVALID_OFFSET, + }, + { + VVC_SPS_NUT, + VVC_MAX_SPS_COUNT, + "SPS", + offsetof(H266RawSPS, sps_seq_parameter_set_id), + offsetof(CodedBitstreamH266Context, sps_ref), + offsetof(CodedBitstreamH266Context, sps), + INVALID_OFFSET, + }, + { + VVC_PPS_NUT, + VVC_MAX_PPS_COUNT, + "PPS", + offsetof(H266RawPPS, pps_pic_parameter_set_id), + offsetof(CodedBitstreamH266Context, pps_ref), + offsetof(CodedBitstreamH266Context, pps), + INVALID_OFFSET, + }, + { + VVC_PH_NUT, + 1, + "PH", + INVALID_OFFSET, + offsetof(CodedBitstreamH266Context, ph_ref), + offsetof(CodedBitstreamH266Context, ph), + INVALID_OFFSET, + }, + }; + const PSType *ps_type; AVBufferRef **ref_array; void **ptr_array; @@ -741,6 +912,10 @@ static int cbs_h2645_replace_ps(CodedBitstreamContext *ctx, ps_type = h265_ps_types; nb_ps_types = FF_ARRAY_ELEMS(h265_ps_types); break; + case AV_CODEC_ID_H266: + ps_type = h266_ps_types; + nb_ps_types = FF_ARRAY_ELEMS(h266_ps_types); + break; default: av_assert0(0); } @@ -1027,6 +1202,131 @@ static int cbs_h265_read_nal_unit(CodedBitstreamContext *ctx, return 0; } +static int cbs_h266_read_nal_unit(CodedBitstreamContext *ctx, + CodedBitstreamUnit *unit) +{ + GetBitContext gbc; + int err; + + err = init_get_bits8(&gbc, unit->data, unit->data_size); + if (err < 0) + return err; + + err = ff_cbs_alloc_unit_content2(ctx, unit); + if (err < 0) + return err; + + switch (unit->type) { + case VVC_VPS_NUT: + { + H266RawVPS *vps = unit->content; + + err = cbs_h266_read_vps(ctx, &gbc, vps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + case VVC_SPS_NUT: + { + H266RawSPS *sps = unit->content; + + err = cbs_h266_read_sps(ctx, &gbc, sps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_PPS_NUT: + { + H266RawPPS *pps = unit->content; + + err = cbs_h266_read_pps(ctx, &gbc, pps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_PH_NUT: + { + H266RawPH *ph = unit->content; + err = cbs_h266_read_ph(ctx, &gbc, ph); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_TRAIL_NUT: + case VVC_STSA_NUT: + case VVC_RADL_NUT: + case VVC_RASL_NUT: + case VVC_IDR_W_RADL: + case VVC_IDR_N_LP: + case VVC_CRA_NUT: + case VVC_GDR_NUT: + { + H266RawSlice *slice = unit->content; + int pos, len; + + err = cbs_h266_read_slice_header(ctx, &gbc, &slice->header); + if (err < 0) + return err; + + if (!cbs_h2645_read_more_rbsp_data(&gbc)) + return AVERROR_INVALIDDATA; + + pos = get_bits_count(&gbc); + len = unit->data_size; + + slice->data_size = len - pos / 8; + slice->data_ref = av_buffer_ref(unit->data_ref); + if (!slice->data_ref) + return AVERROR(ENOMEM); + slice->data = unit->data + pos / 8; + slice->data_bit_start = pos % 8; + } + break; + + case VVC_AUD_NUT: + { + err = cbs_h266_read_aud(ctx, &gbc, unit->content); + if (err < 0) + return err; + } + break; + + case VVC_PREFIX_SEI_NUT: + case VVC_SUFFIX_SEI_NUT: + { + err = cbs_h266_read_sei(ctx, &gbc, unit->content, + unit->type == VVC_PREFIX_SEI_NUT); + + if (err < 0) + return err; + } + break; + + default: + return AVERROR(ENOSYS); + } + return 0; +} + static int cbs_h2645_write_slice_data(CodedBitstreamContext *ctx, PutBitContext *pbc, const uint8_t *data, size_t data_size, int data_bit_start) @@ -1314,19 +1614,142 @@ static int cbs_h265_write_nal_unit(CodedBitstreamContext *ctx, return 0; } +static int cbs_h266_write_nal_unit(CodedBitstreamContext *ctx, + CodedBitstreamUnit *unit, + PutBitContext *pbc) +{ + int err; + + switch (unit->type) { + case VVC_VPS_NUT: + { + H266RawVPS *vps = unit->content; + + err = cbs_h266_write_vps(ctx, pbc, vps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + case VVC_SPS_NUT: + { + H266RawSPS *sps = unit->content; + + err = cbs_h266_write_sps(ctx, pbc, sps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_PPS_NUT: + { + H266RawPPS *pps = unit->content; + + err = cbs_h266_write_pps(ctx, pbc, pps); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_PH_NUT: + { + H266RawPH *ph = unit->content; + err = cbs_h266_write_ph(ctx, pbc, ph); + if (err < 0) + return err; + + err = cbs_h2645_replace_ps(ctx, unit); + if (err < 0) + return err; + } + break; + + case VVC_TRAIL_NUT: + case VVC_STSA_NUT: + case VVC_RADL_NUT: + case VVC_RASL_NUT: + case VVC_IDR_W_RADL: + case VVC_IDR_N_LP: + case VVC_CRA_NUT: + case VVC_GDR_NUT: + { + H266RawSlice *slice = unit->content; + + err = cbs_h266_write_slice_header(ctx, pbc, &slice->header); + if (err < 0) + return err; + + if (slice->data) { + err = cbs_h2645_write_slice_data(ctx, pbc, slice->data, + slice->data_size, + slice->data_bit_start); + if (err < 0) + return err; + } else { + // No slice data - that was just the header. + } + } + break; + + case VVC_AUD_NUT: + { + err = cbs_h266_write_aud(ctx, pbc, unit->content); + if (err < 0) + return err; + } + break; + + case VVC_PREFIX_SEI_NUT: + case VVC_SUFFIX_SEI_NUT: + { + err = cbs_h266_write_sei(ctx, pbc, unit->content, + unit->type == VVC_PREFIX_SEI_NUT); + + if (err < 0) + return err; + } + break; + + default: + av_log(ctx->log_ctx, AV_LOG_ERROR, "Write unimplemented for " + "NAL unit type %"PRIu32".\n", unit->type); + return AVERROR_PATCHWELCOME; + } + + return 0; +} + static int cbs_h2645_unit_requires_zero_byte(enum AVCodecID codec_id, CodedBitstreamUnitType type, - int nal_unit_index) + int nal_unit_index, int h266_au_start) { - // Section B.1.2 in H.264, section B.2.2 in H.265. + // Section B.1.2 in H.264, section B.2.2 in H.265, H.266. if (nal_unit_index == 0) { - // Assume that this is the first NAL unit in an access unit. - return 1; + if (codec_id == AV_CODEC_ID_VVC) { + if (h266_au_start) + return 1; + } else { + // Assume that this is the first NAL unit in an access unit. + return 1; + } } if (codec_id == AV_CODEC_ID_H264) return type == H264_NAL_SPS || type == H264_NAL_PPS; if (codec_id == AV_CODEC_ID_HEVC) return type == HEVC_NAL_VPS || type == HEVC_NAL_SPS || type == HEVC_NAL_PPS; + if (codec_id == AV_CODEC_ID_VVC) + return type >= VVC_OPI_NUT && type <= VVC_SUFFIX_APS_NUT; return 0; } @@ -1335,7 +1758,7 @@ static int cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx, { uint8_t *data; size_t max_size, dp, sp; - int err, i, zero_run; + int err, i, zero_run, h266_au_start = 0; for (i = 0; i < frag->nb_units; i++) { // Data should already all have been written when we get here. @@ -1351,7 +1774,10 @@ static int cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx, data = av_realloc(NULL, max_size + AV_INPUT_BUFFER_PADDING_SIZE); if (!data) return AVERROR(ENOMEM); - + if (ctx->codec->codec_id == AV_CODEC_ID_VVC) { + CodedBitstreamH266Context *h266 = ctx->priv_data; + h266_au_start = h266_is_au_start(h266, frag, ctx->log_ctx) > 0; + } dp = 0; for (i = 0; i < frag->nb_units; i++) { CodedBitstreamUnit *unit = &frag->units[i]; @@ -1364,7 +1790,7 @@ static int cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx, frag->data_bit_padding = unit->data_bit_padding; } - if (cbs_h2645_unit_requires_zero_byte(ctx->codec->codec_id, unit->type, i)) { + if (cbs_h2645_unit_requires_zero_byte(ctx->codec->codec_id, unit->type, i, h266_au_start)) { // zero_byte data[dp++] = 0; } @@ -1478,6 +1904,37 @@ static void cbs_h265_close(CodedBitstreamContext *ctx) av_buffer_unref(&h265->pps_ref[i]); } +static void cbs_h266_flush(CodedBitstreamContext *ctx) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + + for (int i = 0; i < FF_ARRAY_ELEMS(h266->vps); i++) { + av_buffer_unref(&h266->vps_ref[i]); + h266->vps[i] = NULL; + } + + for (int i = 0; i < FF_ARRAY_ELEMS(h266->sps); i++) { + av_buffer_unref(&h266->sps_ref[i]); + h266->sps[i] = NULL; + } + for (int i = 0; i < FF_ARRAY_ELEMS(h266->pps); i++) { + av_buffer_unref(&h266->pps_ref[i]); + h266->pps[i] = NULL; + } + av_buffer_unref(&h266->ph_ref); + h266->ph = NULL; +} + + +static void cbs_h266_close(CodedBitstreamContext *ctx) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + + cbs_h266_flush(ctx); + ff_h2645_packet_uninit(&h266->common.read_packet); + + } + static void cbs_h264_free_sei(void *opaque, uint8_t *content) { H264RawSEI *sei = (H264RawSEI*)content; @@ -1566,6 +2023,80 @@ static const CodedBitstreamUnitTypeDescriptor cbs_h265_unit_types[] = { CBS_UNIT_TYPE_END_OF_LIST }; +static void cbs_h266_free_sei(void *opaque, uint8_t *content) +{ + H265RawSEI *sei = (H265RawSEI*)content; + ff_cbs_sei_free_message_list(&sei->message_list); + av_free(content); +} + +static const CodedBitstreamUnitTypeDescriptor cbs_h266_unit_types[] = { + CBS_UNIT_TYPE_INTERNAL_REF(VVC_VPS_NUT, H266RawVPS, extension_data.data), + CBS_UNIT_TYPE_INTERNAL_REF(VVC_PPS_NUT, H266RawPPS, extension_data.data), + + CBS_UNIT_TYPE_POD(VVC_PH_NUT, H266RawPH), + CBS_UNIT_TYPE_POD(VVC_AUD_NUT, H266RawAUD), + + { + .nb_unit_types = 1, + .unit_types = { + VVC_SPS_NUT + }, + .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, + .content_size = sizeof(H266RawSPS), + .nb_ref_offsets = 2, + .ref_offsets = { + offsetof(H266RawSPS, extension_data.data), + offsetof(H266RawSPS, vui.extension_data.data), + }, + }, + + { + // Slices of non-IRAP pictures. + .nb_unit_types = 4, + .unit_types = { + VVC_TRAIL_NUT, + VVC_STSA_NUT, + VVC_RADL_NUT, + VVC_RASL_NUT + }, + + .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, + .content_size = sizeof(H266RawSlice), + .nb_ref_offsets = 1, + .ref_offsets = { offsetof(H266RawSlice, data) }, + }, + + { + // Slices of IRAP pictures. + .nb_unit_types = 4, + .unit_types = { + VVC_IDR_W_RADL, + VVC_IDR_N_LP, + VVC_CRA_NUT, + VVC_GDR_NUT + }, + + .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, + .content_size = sizeof(H266RawSlice), + .nb_ref_offsets = 1, + .ref_offsets = { offsetof(H266RawSlice, data) }, + }, + + { + .nb_unit_types = 2, + .unit_types = { + VVC_PREFIX_SEI_NUT, + VVC_SUFFIX_SEI_NUT + }, + .content_type = CBS_CONTENT_TYPE_COMPLEX, + .content_size = sizeof(H266RawSEI), + .content_free = &cbs_h266_free_sei, + }, + + CBS_UNIT_TYPE_END_OF_LIST +}; + const CodedBitstreamType ff_cbs_type_h264 = { .codec_id = AV_CODEC_ID_H264, @@ -1598,6 +2129,22 @@ const CodedBitstreamType ff_cbs_type_h265 = { .close = &cbs_h265_close, }; +const CodedBitstreamType ff_cbs_type_h266 = { + .codec_id = AV_CODEC_ID_VVC, + + .priv_data_size = sizeof(CodedBitstreamH266Context), + + .unit_types = cbs_h266_unit_types, + + .split_fragment = &cbs_h2645_split_fragment, + .read_unit = &cbs_h266_read_nal_unit, + .write_unit = &cbs_h266_write_nal_unit, + .assemble_fragment = &cbs_h2645_assemble_fragment, + + .flush = &cbs_h266_flush, + .close = &cbs_h266_close, +}; + static const SEIMessageTypeDescriptor cbs_sei_common_types[] = { { SEI_TYPE_FILLER_PAYLOAD, @@ -1730,6 +2277,16 @@ static const SEIMessageTypeDescriptor cbs_sei_h265_types[] = { SEI_MESSAGE_TYPE_END }; +static const SEIMessageTypeDescriptor cbs_sei_h266_types[] = { + { + SEI_TYPE_DECODED_PICTURE_HASH, + 0, 1, + sizeof(H266RawSEIDecodedPictureHash), + SEI_MESSAGE_RW(h266, sei_decoded_picture_hash), + }, + SEI_MESSAGE_TYPE_END +}; + const SEIMessageTypeDescriptor *ff_cbs_sei_find_type(CodedBitstreamContext *ctx, int payload_type) { @@ -1748,6 +2305,9 @@ const SEIMessageTypeDescriptor *ff_cbs_sei_find_type(CodedBitstreamContext *ctx, case AV_CODEC_ID_H265: codec_list = cbs_sei_h265_types; break; + case AV_CODEC_ID_H266: + codec_list = cbs_sei_h266_types; + break; default: return NULL; } diff --git a/libavcodec/cbs_h266.h b/libavcodec/cbs_h266.h new file mode 100644 index 0000000000..20d547a26d --- /dev/null +++ b/libavcodec/cbs_h266.h @@ -0,0 +1,817 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_CBS_H266_H +#define AVCODEC_CBS_H266_H + +#include +#include + +#include "cbs_h2645.h" +#include "cbs_sei.h" +#include "vvc.h" + +enum { + // This limit is arbitrary - it is sufficient for one message of each + // type plus some repeats, and will therefore easily cover all sane + // streams. However, it is possible to make technically-valid streams + // for which it will fail (for example, by including a large number of + // user-data-unregistered messages). + VVC_MAX_SEI_PAYLOADS = 64, +}; + +typedef struct H266RawNALUnitHeader { + uint8_t nuh_layer_id; + uint8_t nal_unit_type; + uint8_t nuh_temporal_id_plus1; + uint8_t nuh_reserved_zero_bit; +} H266RawNALUnitHeader; + +typedef struct H266GeneralConstraintsInfo { + uint8_t gci_present_flag; + /* general */ + uint8_t gci_intra_only_constraint_flag; + uint8_t gci_all_layers_independent_constraint_flag; + uint8_t gci_one_au_only_constraint_flag; + + /* picture format */ + uint8_t gci_sixteen_minus_max_bitdepth_constraint_idc; + uint8_t gci_three_minus_max_chroma_format_constraint_idc; + + /* NAL unit type related */ + uint8_t gci_no_mixed_nalu_types_in_pic_constraint_flag; + uint8_t gci_no_trail_constraint_flag; + uint8_t gci_no_stsa_constraint_flag; + uint8_t gci_no_rasl_constraint_flag; + uint8_t gci_no_radl_constraint_flag; + uint8_t gci_no_idr_constraint_flag; + uint8_t gci_no_cra_constraint_flag; + uint8_t gci_no_gdr_constraint_flag; + uint8_t gci_no_aps_constraint_flag; + uint8_t gci_no_idr_rpl_constraint_flag; + + /* tile, slice, subpicture partitioning */ + uint8_t gci_one_tile_per_pic_constraint_flag; + uint8_t gci_pic_header_in_slice_header_constraint_flag; + uint8_t gci_one_slice_per_pic_constraint_flag; + uint8_t gci_no_rectangular_slice_constraint_flag; + uint8_t gci_one_slice_per_subpic_constraint_flag; + uint8_t gci_no_subpic_info_constraint_flag; + + /* CTU and block partitioning */ + uint8_t gci_three_minus_max_log2_ctu_size_constraint_idc; + uint8_t gci_no_partition_constraints_override_constraint_flag; + uint8_t gci_no_mtt_constraint_flag; + uint8_t gci_no_qtbtt_dual_tree_intra_constraint_flag; + + /* intra */ + uint8_t gci_no_palette_constraint_flag; + uint8_t gci_no_ibc_constraint_flag; + uint8_t gci_no_isp_constraint_flag; + uint8_t gci_no_mrl_constraint_flag; + uint8_t gci_no_mip_constraint_flag; + uint8_t gci_no_cclm_constraint_flag; + + /* inter */ + uint8_t gci_no_ref_pic_resampling_constraint_flag; + uint8_t gci_no_res_change_in_clvs_constraint_flag;; + uint8_t gci_no_weighted_prediction_constraint_flag; + uint8_t gci_no_ref_wraparound_constraint_flag; + uint8_t gci_no_temporal_mvp_constraint_flag; + uint8_t gci_no_sbtmvp_constraint_flag; + uint8_t gci_no_amvr_constraint_flag; + uint8_t gci_no_bdof_constraint_flag; + uint8_t gci_no_smvd_constraint_flag; + uint8_t gci_no_dmvr_constraint_flag; + uint8_t gci_no_mmvd_constraint_flag; + uint8_t gci_no_affine_motion_constraint_flag; + uint8_t gci_no_prof_constraint_flag; + uint8_t gci_no_bcw_constraint_flag; + uint8_t gci_no_ciip_constraint_flag; + uint8_t gci_no_gpm_constraint_flag; + + /* transform, quantization, residual */ + uint8_t gci_no_luma_transform_size_64_constraint_flag; + uint8_t gci_no_transform_skip_constraint_flag; + uint8_t gci_no_bdpcm_constraint_flag; + uint8_t gci_no_mts_constraint_flag; + uint8_t gci_no_lfnst_constraint_flag; + uint8_t gci_no_joint_cbcr_constraint_flag; + uint8_t gci_no_sbt_constraint_flag; + uint8_t gci_no_act_constraint_flag; + uint8_t gci_no_explicit_scaling_list_constraint_flag; + uint8_t gci_no_dep_quant_constraint_flag; + uint8_t gci_no_sign_data_hiding_constraint_flag; + uint8_t gci_no_cu_qp_delta_constraint_flag; + uint8_t gci_no_chroma_qp_offset_constraint_flag; + + /* loop filter */ + uint8_t gci_no_sao_constraint_flag; + uint8_t gci_no_alf_constraint_flag; + uint8_t gci_no_ccalf_constraint_flag; + uint8_t gci_no_lmcs_constraint_flag; + uint8_t gci_no_ladf_constraint_flag; + uint8_t gci_no_virtual_boundaries_constraint_flag; + uint8_t gci_num_reserved_bits; + uint8_t gci_reserved_zero_bit[255]; +} H266GeneralConstraintsInfo; + +typedef struct H266RawProfileTierLevel { + uint8_t general_profile_idc; + uint8_t general_tier_flag; + uint8_t general_level_idc; + uint8_t ptl_frame_only_constraint_flag; + uint8_t ptl_multilayer_enabled_flag; + H266GeneralConstraintsInfo general_constraints_info; + uint8_t ptl_sublayer_level_present_flag[VVC_MAX_SUBLAYERS - 1]; + uint8_t sublayer_level_idc[VVC_MAX_SUBLAYERS - 1]; + uint8_t ptl_num_sub_profiles; + uint32_t general_sub_profile_idc[VVC_MAX_SUB_PROFILES]; + + uint8_t ptl_reserved_zero_bit; +} H266RawProfileTierLevel; + +typedef struct H266RawExtensionData { + uint8_t *data; + AVBufferRef *data_ref; + size_t bit_length; +} H266RawExtensionData; + +typedef struct H266DpbParameters { + uint8_t dpb_max_dec_pic_buffering_minus1[VVC_MAX_SUBLAYERS]; + uint8_t dpb_max_num_reorder_pics[VVC_MAX_SUBLAYERS]; + uint8_t dpb_max_latency_increase_plus1[VVC_MAX_SUBLAYERS]; +} H266DpbParameters; + +typedef struct H266RefPicListStruct { + uint8_t num_ref_entries; + uint8_t ltrp_in_header_flag; + uint8_t inter_layer_ref_pic_flag[VVC_MAX_REF_ENTRIES]; + uint8_t st_ref_pic_flag[VVC_MAX_REF_ENTRIES]; + uint8_t abs_delta_poc_st[VVC_MAX_REF_ENTRIES]; + uint8_t strp_entry_sign_flag[VVC_MAX_REF_ENTRIES]; + uint8_t rpls_poc_lsb_lt[VVC_MAX_REF_ENTRIES]; + uint8_t ilrp_idx[VVC_MAX_REF_ENTRIES]; +} H266RefPicListStruct; + +typedef struct H266RefPicLists { + uint8_t rpl_sps_flag[2]; + uint8_t rpl_idx[2]; + H266RefPicListStruct rpl_ref_list[2]; + uint16_t poc_lsb_lt[2][VVC_MAX_REF_ENTRIES]; + uint8_t delta_poc_msb_cycle_present_flag[2][VVC_MAX_REF_ENTRIES]; + uint16_t delta_poc_msb_cycle_lt[2][VVC_MAX_REF_ENTRIES]; +} H266RefPicLists; + +typedef struct H266RawGeneralTimingHrdParameters { + uint32_t num_units_in_tick; + uint32_t time_scale; + uint8_t general_nal_hrd_params_present_flag; + uint8_t general_vcl_hrd_params_present_flag; + uint8_t general_same_pic_timing_in_all_ols_flag; + uint8_t general_du_hrd_params_present_flag; + uint8_t tick_divisor_minus2; + uint8_t bit_rate_scale; + uint8_t cpb_size_scale; + uint8_t cpb_size_du_scale; + uint8_t hrd_cpb_cnt_minus1; +} H266RawGeneralTimingHrdParameters; + +typedef struct H266RawSubLayerHRDParameters { + uint32_t bit_rate_value_minus1[VVC_MAX_SUBLAYERS][VVC_MAX_CPB_CNT]; + uint32_t cpb_size_value_minus1[VVC_MAX_SUBLAYERS][VVC_MAX_CPB_CNT]; + uint32_t cpb_size_du_value_minus1[VVC_MAX_SUBLAYERS][VVC_MAX_CPB_CNT]; + uint32_t bit_rate_du_value_minus1[VVC_MAX_SUBLAYERS][VVC_MAX_CPB_CNT]; + uint8_t cbr_flag[VVC_MAX_SUBLAYERS][VVC_MAX_CPB_CNT]; +} H266RawSubLayerHRDParameters; + +typedef struct H266RawOlsTimingHrdParameters { + uint8_t fixed_pic_rate_general_flag[VVC_MAX_SUBLAYERS]; + uint8_t fixed_pic_rate_within_cvs_flag[VVC_MAX_SUBLAYERS]; + uint16_t elemental_duration_in_tc_minus1[VVC_MAX_SUBLAYERS]; + uint8_t low_delay_hrd_flag[VVC_MAX_SUBLAYERS]; + H266RawSubLayerHRDParameters nal_sub_layer_hrd_parameters; + H266RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters; +} H266RawOlsTimingHrdParameters; + +typedef struct H266RawVUI { + uint8_t vui_progressive_source_flag; + uint8_t vui_interlaced_source_flag; + uint8_t vui_non_packed_constraint_flag; + uint8_t vui_non_projected_constraint_flag; + + uint8_t vui_aspect_ratio_info_present_flag; + uint8_t vui_aspect_ratio_constant_flag; + uint8_t vui_aspect_ratio_idc; + + uint16_t vui_sar_width; + uint16_t vui_sar_height;; + + uint8_t vui_overscan_info_present_flag; + uint8_t vui_overscan_appropriate_flag; + + uint8_t vui_colour_description_present_flag; + uint8_t vui_colour_primaries; + + uint8_t vui_transfer_characteristics; + uint8_t vui_matrix_coeffs; + uint8_t vui_full_range_flag; + + uint8_t vui_chroma_loc_info_present_flag; + uint8_t vui_chroma_sample_loc_type_frame; + uint8_t vui_chroma_sample_loc_type_top_field; + uint8_t vui_chroma_sample_loc_type_bottom_field; + H266RawExtensionData extension_data; +} H266RawVUI; + +typedef struct H266RawVPS { + H266RawNALUnitHeader nal_unit_header; + + uint8_t vps_video_parameter_set_id; + uint8_t vps_max_layers_minus1; + uint8_t vps_max_sublayers_minus1; + uint8_t vps_default_ptl_dpb_hrd_max_tid_flag; + uint8_t vps_all_independent_layers_flag; + uint8_t vps_layer_id[VVC_MAX_LAYERS]; + uint8_t vps_independent_layer_flag[VVC_MAX_LAYERS]; + uint8_t vps_max_tid_ref_present_flag[VVC_MAX_LAYERS]; + uint8_t vps_direct_ref_layer_flag[VVC_MAX_LAYERS][VVC_MAX_LAYERS - 1]; + uint8_t vps_max_tid_il_ref_pics_plus1[VVC_MAX_LAYERS][VVC_MAX_LAYERS - 1]; + uint8_t vps_each_layer_is_an_ols_flag; + uint8_t vps_ols_mode_idc; + uint8_t vps_num_output_layer_sets_minus2; + uint8_t vps_ols_output_layer_flag[VVC_MAX_TOTAL_NUM_OLSS][VVC_MAX_LAYERS]; + + uint8_t vps_num_ptls_minus1; + uint8_t vps_pt_present_flag[VVC_MAX_PTLS]; + uint8_t vps_ptl_max_tid[VVC_MAX_PTLS]; + H266RawProfileTierLevel vps_profile_tier_level[VVC_MAX_PTLS]; + uint8_t vps_ols_ptl_idx[VVC_MAX_TOTAL_NUM_OLSS]; + + uint16_t vps_num_dpb_params_minus1; + uint8_t vps_sublayer_dpb_params_present_flag; + uint8_t vps_dpb_max_tid[VVC_MAX_TOTAL_NUM_OLSS]; + H266DpbParameters vps_dpb_params[VVC_MAX_TOTAL_NUM_OLSS]; + uint16_t vps_ols_dpb_pic_width[VVC_MAX_TOTAL_NUM_OLSS]; + uint16_t vps_ols_dpb_pic_height[VVC_MAX_TOTAL_NUM_OLSS]; + uint8_t vps_ols_dpb_chroma_format[VVC_MAX_TOTAL_NUM_OLSS]; + uint8_t vps_ols_dpb_bitdepth_minus8[VVC_MAX_TOTAL_NUM_OLSS]; + uint16_t vps_ols_dpb_params_idx[VVC_MAX_TOTAL_NUM_OLSS]; + + uint8_t vps_timing_hrd_params_present_flag; + H266RawGeneralTimingHrdParameters vps_general_timing_hrd_parameters; + uint8_t vps_sublayer_cpb_params_present_flag; + uint16_t vps_num_ols_timing_hrd_params_minus1; + uint8_t vps_hrd_max_tid[VVC_MAX_TOTAL_NUM_OLSS]; + H266RawOlsTimingHrdParameters vps_ols_timing_hrd_parameters; + uint8_t vps_ols_timing_hrd_idx[VVC_MAX_TOTAL_NUM_OLSS]; + + uint8_t vps_extension_flag; + H266RawExtensionData extension_data; +} H266RawVPS; + +typedef struct H266RawSPS { + H266RawNALUnitHeader nal_unit_header; + + uint8_t sps_seq_parameter_set_id; + uint8_t sps_video_parameter_set_id; + uint8_t sps_max_sublayers_minus1; + uint8_t sps_chroma_format_idc; + uint8_t sps_log2_ctu_size_minus5; + uint8_t sps_ptl_dpb_hrd_params_present_flag; + H266RawProfileTierLevel profile_tier_level; + uint8_t sps_gdr_enabled_flag; + uint8_t sps_ref_pic_resampling_enabled_flag; + uint8_t sps_res_change_in_clvs_allowed_flag; + + uint16_t sps_pic_width_max_in_luma_samples; + uint16_t sps_pic_height_max_in_luma_samples; + + uint8_t sps_conformance_window_flag; + uint16_t sps_conf_win_left_offset; + uint16_t sps_conf_win_right_offset; + uint16_t sps_conf_win_top_offset; + uint16_t sps_conf_win_bottom_offset; + + uint8_t sps_subpic_info_present_flag; + uint16_t sps_num_subpics_minus1; + uint8_t sps_independent_subpics_flag; + uint8_t sps_subpic_same_size_flag; + uint16_t sps_subpic_ctu_top_left_x[VVC_MAX_SLICES]; + uint16_t sps_subpic_ctu_top_left_y[VVC_MAX_SLICES]; + uint16_t sps_subpic_width_minus1[VVC_MAX_SLICES]; + uint16_t sps_subpic_height_minus1[VVC_MAX_SLICES]; + uint8_t sps_subpic_treated_as_pic_flag[VVC_MAX_SLICES]; + uint8_t sps_loop_filter_across_subpic_enabled_flag[VVC_MAX_SLICES]; + uint8_t sps_subpic_id_len_minus1; + uint8_t sps_subpic_id_mapping_explicitly_signalled_flag; + uint8_t sps_subpic_id_mapping_present_flag; + uint32_t sps_subpic_id[VVC_MAX_SLICES]; + + + uint8_t sps_bitdepth_minus8; + uint8_t sps_entropy_coding_sync_enabled_flag; + uint8_t sps_entry_point_offsets_present_flag; + + uint8_t sps_log2_max_pic_order_cnt_lsb_minus4; + uint8_t sps_poc_msb_cycle_flag; + uint8_t sps_poc_msb_cycle_len_minus1; + + uint8_t sps_num_extra_ph_bytes; + uint8_t sps_extra_ph_bit_present_flag[16]; + + uint8_t sps_num_extra_sh_bytes; + uint8_t sps_extra_sh_bit_present_flag[16]; + + uint8_t sps_sublayer_dpb_params_flag; + H266DpbParameters sps_dpb_params; + + uint8_t sps_log2_min_luma_coding_block_size_minus2; + uint8_t sps_partition_constraints_override_enabled_flag; + uint8_t sps_log2_diff_min_qt_min_cb_intra_slice_luma; + uint8_t sps_max_mtt_hierarchy_depth_intra_slice_luma; + uint8_t sps_log2_diff_max_bt_min_qt_intra_slice_luma; + uint8_t sps_log2_diff_max_tt_min_qt_intra_slice_luma; + + uint8_t sps_qtbtt_dual_tree_intra_flag; + uint8_t sps_log2_diff_min_qt_min_cb_intra_slice_chroma; + uint8_t sps_max_mtt_hierarchy_depth_intra_slice_chroma; + uint8_t sps_log2_diff_max_bt_min_qt_intra_slice_chroma; + uint8_t sps_log2_diff_max_tt_min_qt_intra_slice_chroma; + + uint8_t sps_log2_diff_min_qt_min_cb_inter_slice; + uint8_t sps_max_mtt_hierarchy_depth_inter_slice; + uint8_t sps_log2_diff_max_bt_min_qt_inter_slice; + uint8_t sps_log2_diff_max_tt_min_qt_inter_slice; + + uint8_t sps_max_luma_transform_size_64_flag; + + uint8_t sps_transform_skip_enabled_flag; + uint8_t sps_log2_transform_skip_max_size_minus2; + uint8_t sps_bdpcm_enabled_flag; + + uint8_t sps_mts_enabled_flag; + uint8_t sps_explicit_mts_intra_enabled_flag; + uint8_t sps_explicit_mts_inter_enabled_flag; + + uint8_t sps_lfnst_enabled_flag; + + uint8_t sps_joint_cbcr_enabled_flag; + uint8_t sps_same_qp_table_for_chroma_flag; + + int8_t sps_qp_table_start_minus26[MAX_SAMPLE_ARRAYS]; + uint8_t sps_num_points_in_qp_table_minus1[MAX_SAMPLE_ARRAYS]; + uint8_t sps_delta_qp_in_val_minus1[MAX_SAMPLE_ARRAYS][VVC_MAX_POINTS_IN_QP_TABLE]; + uint8_t sps_delta_qp_diff_val[MAX_SAMPLE_ARRAYS][VVC_MAX_POINTS_IN_QP_TABLE]; + + uint8_t sps_sao_enabled_flag; + uint8_t sps_alf_enabled_flag; + uint8_t sps_ccalf_enabled_flag; + uint8_t sps_lmcs_enabled_flag; + uint8_t sps_weighted_pred_flag; + uint8_t sps_weighted_bipred_flag; + uint8_t sps_long_term_ref_pics_flag; + uint8_t sps_inter_layer_prediction_enabled_flag; + uint8_t sps_idr_rpl_present_flag; + uint8_t sps_rpl1_same_as_rpl0_flag; + + uint8_t sps_num_ref_pic_lists[2]; + H266RefPicListStruct sps_ref_pic_list_struct[2][VVC_MAX_REF_PIC_LISTS]; + + uint8_t sps_ref_wraparound_enabled_flag; + uint8_t sps_temporal_mvp_enabled_flag; + uint8_t sps_sbtmvp_enabled_flag; + uint8_t sps_amvr_enabled_flag; + uint8_t sps_bdof_enabled_flag; + uint8_t sps_bdof_control_present_in_ph_flag; + uint8_t sps_smvd_enabled_flag; + uint8_t sps_dmvr_enabled_flag; + uint8_t sps_dmvr_control_present_in_ph_flag; + uint8_t sps_mmvd_enabled_flag; + uint8_t sps_mmvd_fullpel_only_enabled_flag; + uint8_t sps_six_minus_max_num_merge_cand; + uint8_t sps_sbt_enabled_flag; + uint8_t sps_affine_enabled_flag; + uint8_t sps_five_minus_max_num_subblock_merge_cand; + uint8_t sps_6param_affine_enabled_flag; + uint8_t sps_affine_amvr_enabled_flag; + uint8_t sps_affine_prof_enabled_flag; + uint8_t sps_prof_control_present_in_ph_flag; + uint8_t sps_bcw_enabled_flag; + uint8_t sps_ciip_enabled_flag; + uint8_t sps_gpm_enabled_flag; + uint8_t sps_max_num_merge_cand_minus_max_num_gpm_cand; + uint8_t sps_log2_parallel_merge_level_minus2; + uint8_t sps_isp_enabled_flag; + uint8_t sps_mrl_enabled_flag; + uint8_t sps_mip_enabled_flag; + uint8_t sps_cclm_enabled_flag; + uint8_t sps_chroma_horizontal_collocated_flag; + uint8_t sps_chroma_vertical_collocated_flag; + uint8_t sps_palette_enabled_flag; + uint8_t sps_act_enabled_flag; + uint8_t sps_min_qp_prime_ts; + uint8_t sps_ibc_enabled_flag; + uint8_t sps_six_minus_max_num_ibc_merge_cand; + uint8_t sps_ladf_enabled_flag; + uint8_t sps_num_ladf_intervals_minus2; + int8_t sps_ladf_lowest_interval_qp_offset; + int8_t sps_ladf_qp_offset[4]; + uint16_t sps_ladf_delta_threshold_minus1[4]; + + uint8_t sps_explicit_scaling_list_enabled_flag; + uint8_t sps_scaling_matrix_for_lfnst_disabled_flag; + uint8_t sps_scaling_matrix_for_alternative_colour_space_disabled_flag; + uint8_t sps_scaling_matrix_designated_colour_space_flag; + uint8_t sps_dep_quant_enabled_flag; + uint8_t sps_sign_data_hiding_enabled_flag; + + uint8_t sps_virtual_boundaries_enabled_flag; + uint8_t sps_virtual_boundaries_present_flag; + uint8_t sps_num_ver_virtual_boundaries; + uint16_t sps_virtual_boundary_pos_x_minus1[3]; + uint8_t sps_num_hor_virtual_boundaries; + uint16_t sps_virtual_boundary_pos_y_minus1[3]; + + uint8_t sps_timing_hrd_params_present_flag; + uint8_t sps_sublayer_cpb_params_present_flag; + H266RawGeneralTimingHrdParameters sps_general_timing_hrd_parameters; + H266RawOlsTimingHrdParameters sps_ols_timing_hrd_parameters; + + uint8_t sps_field_seq_flag; + uint8_t sps_vui_parameters_present_flag; + uint16_t sps_vui_payload_size_minus1; + H266RawVUI vui; + + uint8_t sps_extension_flag; + + H266RawExtensionData extension_data; + +} H266RawSPS; + +typedef struct H266RawPPS { + H266RawNALUnitHeader nal_unit_header; + + uint8_t pps_pic_parameter_set_id; + uint8_t pps_seq_parameter_set_id; + uint8_t pps_mixed_nalu_types_in_pic_flag; + uint16_t pps_pic_width_in_luma_samples; + uint16_t pps_pic_height_in_luma_samples; + + uint8_t pps_conformance_window_flag; + uint16_t pps_conf_win_left_offset; + uint16_t pps_conf_win_right_offset; + uint16_t pps_conf_win_top_offset; + uint16_t pps_conf_win_bottom_offset; + + uint8_t pps_scaling_window_explicit_signalling_flag; + int16_t pps_scaling_win_left_offset; + int16_t pps_scaling_win_right_offset; + int16_t pps_scaling_win_top_offset; + int16_t pps_scaling_win_bottom_offset; + + uint8_t pps_output_flag_present_flag; + uint8_t pps_no_pic_partition_flag; + + uint8_t pps_subpic_id_mapping_present_flag; + uint16_t pps_num_subpics_minus1; + uint8_t pps_subpic_id_len_minus1; + uint16_t pps_subpic_id[VVC_MAX_SLICES]; + + uint8_t pps_log2_ctu_size_minus5; + uint8_t pps_num_exp_tile_columns_minus1; + uint8_t pps_num_exp_tile_rows_minus1; + uint16_t pps_tile_column_width_minus1[VVC_MAX_TILE_COLUMNS]; + uint16_t pps_tile_row_height_minus1[VVC_MAX_TILE_ROWS]; + + uint8_t pps_loop_filter_across_tiles_enabled_flag; + uint8_t pps_rect_slice_flag; + uint8_t pps_single_slice_per_subpic_flag; + + uint16_t pps_num_slices_in_pic_minus1; + uint8_t pps_tile_idx_delta_present_flag; + uint16_t pps_slice_width_in_tiles_minus1[VVC_MAX_SLICES]; + uint16_t pps_slice_height_in_tiles_minus1[VVC_MAX_SLICES]; + uint16_t pps_num_exp_slices_in_tile[VVC_MAX_SLICES]; + uint16_t pps_exp_slice_height_in_ctus_minus1[VVC_MAX_SLICES][VVC_MAX_TILE_ROWS]; + int16_t pps_tile_idx_delta_val[VVC_MAX_SLICES]; + + uint8_t pps_loop_filter_across_slices_enabled_flag; + uint8_t pps_cabac_init_present_flag; + uint8_t pps_num_ref_idx_default_active_minus1[2]; + uint8_t pps_rpl1_idx_present_flag; + uint8_t pps_weighted_pred_flag; + uint8_t pps_weighted_bipred_flag; + uint8_t pps_ref_wraparound_enabled_flag; + uint16_t pps_pic_width_minus_wraparound_offset; + int8_t pps_init_qp_minus26; + uint8_t pps_cu_qp_delta_enabled_flag; + uint8_t pps_chroma_tool_offsets_present_flag; + int8_t pps_cb_qp_offset; + int8_t pps_cr_qp_offset; + uint8_t pps_joint_cbcr_qp_offset_present_flag; + int8_t pps_joint_cbcr_qp_offset_value; + uint8_t pps_slice_chroma_qp_offsets_present_flag; + uint8_t pps_cu_chroma_qp_offset_list_enabled_flag; + uint8_t pps_chroma_qp_offset_list_len_minus1; + uint8_t pps_cb_qp_offset_list[6]; + uint8_t pps_cr_qp_offset_list[6]; + uint8_t pps_joint_cbcr_qp_offset_list[6]; + uint8_t pps_deblocking_filter_control_present_flag; + uint8_t pps_deblocking_filter_override_enabled_flag; + uint8_t pps_deblocking_filter_disabled_flag; + uint8_t pps_dbf_info_in_ph_flag; + + int8_t pps_luma_beta_offset_div2; + int8_t pps_luma_tc_offset_div2; + int8_t pps_cb_beta_offset_div2; + int8_t pps_cb_tc_offset_div2; + int8_t pps_cr_beta_offset_div2; + int8_t pps_cr_tc_offset_div2; + + uint8_t pps_rpl_info_in_ph_flag; + uint8_t pps_sao_info_in_ph_flag; + uint8_t pps_alf_info_in_ph_flag; + uint8_t pps_wp_info_in_ph_flag; + uint8_t pps_qp_delta_info_in_ph_flag; + + uint8_t pps_picture_header_extension_present_flag; + uint8_t pps_slice_header_extension_present_flag; + uint8_t pps_extension_flag; + H266RawExtensionData extension_data; + + //calculated value; + uint16_t num_tile_columns; + uint16_t num_tile_rows; + uint16_t num_tiles_in_pic; + uint16_t slice_height_in_ctus[VVC_MAX_SLICES]; + uint16_t num_slices_in_subpic[VVC_MAX_SLICES]; +} H266RawPPS; + +typedef struct H266RawAUD { + H266RawNALUnitHeader nal_unit_header; + uint8_t aud_irap_or_gdr_flag; + uint8_t aud_pic_type; +} H266RawAUD; + +typedef struct H266RawPredWeightTable { + uint8_t luma_log2_weight_denom; + int8_t delta_chroma_log2_weight_denom; + + uint8_t num_l0_weights; + uint8_t luma_weight_l0_flag[15]; + uint8_t chroma_weight_l0_flag[15]; + int8_t delta_luma_weight_l0[15]; + int8_t luma_offset_l0[15]; + int8_t delta_chroma_weight_l0[15][2]; + int16_t delta_chroma_offset_l0[15][2]; + + uint8_t num_l1_weights; + uint8_t luma_weight_l1_flag[15]; + uint8_t chroma_weight_l1_flag[15]; + int8_t delta_luma_weight_l1[15]; + int8_t luma_offset_l1[15]; + int8_t delta_chroma_weight_l1[15][2]; + int16_t delta_chroma_offset_l1[15][2]; +} H266RawPredWeightTable; + +typedef struct H266RawPH { + H266RawNALUnitHeader nal_unit_header; + uint8_t ph_gdr_or_irap_pic_flag; + uint8_t ph_non_ref_pic_flag; + uint8_t ph_gdr_pic_flag; + uint8_t ph_inter_slice_allowed_flag; + uint8_t ph_intra_slice_allowed_flag; + uint8_t ph_pic_parameter_set_id; + uint16_t ph_pic_order_cnt_lsb; + uint8_t ph_recovery_poc_cnt; + uint8_t ph_extra_bit[16]; + uint8_t ph_poc_msb_cycle_present_flag; + uint8_t ph_poc_msb_cycle_val; + + uint8_t ph_alf_enabled_flag; + uint8_t ph_num_alf_aps_ids_luma; + uint8_t ph_alf_aps_id_luma[8]; + uint8_t ph_alf_cb_enabled_flag; + uint8_t ph_alf_cr_enabled_flag; + uint8_t ph_alf_aps_id_chroma; + uint8_t ph_alf_cc_cb_enabled_flag; + uint8_t ph_alf_cc_cb_aps_id; + uint8_t ph_alf_cc_cr_enabled_flag; + uint8_t ph_alf_cc_cr_aps_id; + + uint8_t ph_lmcs_enabled_flag; + uint8_t ph_lmcs_aps_id; + uint8_t ph_chroma_residual_scale_flag; + uint8_t ph_explicit_scaling_list_enabled_flag; + uint8_t ph_scaling_list_aps_id; + + uint8_t ph_virtual_boundaries_present_flag; + uint8_t ph_num_ver_virtual_boundaries; + uint16_t ph_virtual_boundary_pos_x_minus1[3]; + uint8_t ph_num_hor_virtual_boundaries; + uint16_t ph_virtual_boundary_pos_y_minus1[3]; + + uint8_t ph_pic_output_flag; + H266RefPicLists ph_ref_pic_lists; + + uint8_t ph_partition_constraints_override_flag; + + uint8_t ph_log2_diff_min_qt_min_cb_intra_slice_luma; + uint8_t ph_max_mtt_hierarchy_depth_intra_slice_luma; + uint8_t ph_log2_diff_max_bt_min_qt_intra_slice_luma; + uint8_t ph_log2_diff_max_tt_min_qt_intra_slice_luma; + uint8_t ph_log2_diff_min_qt_min_cb_intra_slice_chroma; + + uint8_t ph_max_mtt_hierarchy_depth_intra_slice_chroma; + uint8_t ph_log2_diff_max_bt_min_qt_intra_slice_chroma; + uint8_t ph_log2_diff_max_tt_min_qt_intra_slice_chroma; + + uint8_t ph_cu_qp_delta_subdiv_intra_slice; + uint8_t ph_cu_chroma_qp_offset_subdiv_intra_slice; + + uint8_t ph_log2_diff_min_qt_min_cb_inter_slice; + uint8_t ph_max_mtt_hierarchy_depth_inter_slice; + uint8_t ph_log2_diff_max_bt_min_qt_inter_slice; + uint8_t ph_log2_diff_max_tt_min_qt_inter_slice; + uint8_t ph_cu_qp_delta_subdiv_inter_slice; + uint8_t ph_cu_chroma_qp_offset_subdiv_inter_slice; + + uint8_t ph_temporal_mvp_enabled_flag; + uint8_t ph_collocated_from_l0_flag; + uint8_t ph_collocated_ref_idx; + uint8_t ph_mmvd_fullpel_only_flag; + uint8_t ph_mvd_l1_zero_flag; + uint8_t ph_bdof_disabled_flag; + uint8_t ph_dmvr_disabled_flag; + uint8_t ph_prof_disabled_flag; + + H266RawPredWeightTable ph_pred_weight_table; + + int8_t ph_qp_delta; + uint8_t ph_joint_cbcr_sign_flag; + uint8_t ph_sao_luma_enabled_flag; + uint8_t ph_sao_chroma_enabled_flag; + + uint8_t ph_deblocking_params_present_flag; + uint8_t ph_deblocking_filter_disabled_flag; + int8_t ph_luma_beta_offset_div2; + int8_t ph_luma_tc_offset_div2; + int8_t ph_cb_beta_offset_div2; + int8_t ph_cb_tc_offset_div2; + int8_t ph_cr_beta_offset_div2; + int8_t ph_cr_tc_offset_div2; + + uint8_t ph_extension_length; + uint8_t ph_extension_data_byte[256]; +} H266RawPH; + +typedef struct H266RawSliceHeader { + H266RawNALUnitHeader nal_unit_header; + uint8_t sh_picture_header_in_slice_header_flag; + H266RawPH sh_picture_header; + + uint16_t sh_subpic_id; + uint16_t sh_slice_address; + uint8_t sh_extra_bit[16]; + uint8_t sh_num_tiles_in_slice_minus1; + uint8_t sh_slice_type; + uint8_t sh_no_output_of_prior_pics_flag; + + uint8_t sh_alf_enabled_flag; + uint8_t sh_num_alf_aps_ids_luma; + uint8_t sh_alf_aps_id_luma[8]; + uint8_t sh_alf_cb_enabled_flag; + uint8_t sh_alf_cr_enabled_flag; + uint8_t sh_alf_aps_id_chroma; + uint8_t sh_alf_cc_cb_enabled_flag; + uint8_t sh_alf_cc_cb_aps_id; + uint8_t sh_alf_cc_cr_enabled_flag; + uint8_t sh_alf_cc_cr_aps_id; + + uint8_t sh_lmcs_used_flag; + uint8_t sh_explicit_scaling_list_used_flag; + + H266RefPicLists sh_ref_pic_lists; + + uint8_t sh_num_ref_idx_active_override_flag; + uint8_t sh_num_ref_idx_active_minus1[2]; + uint8_t sh_cabac_init_flag; + uint8_t sh_collocated_from_l0_flag; + uint8_t sh_collocated_ref_idx; + + H266RawPredWeightTable sh_pred_weight_table; + + int8_t sh_qp_delta; + int8_t sh_cb_qp_offset; + int8_t sh_cr_qp_offset; + int8_t sh_joint_cbcr_qp_offset; + uint8_t sh_cu_chroma_qp_offset_enabled_flag; + + uint8_t sh_sao_luma_used_flag; + uint8_t sh_sao_chroma_used_flag; + + uint8_t sh_deblocking_params_present_flag; + uint8_t sh_deblocking_filter_disabled_flag; + int8_t sh_luma_beta_offset_div2; + int8_t sh_luma_tc_offset_div2; + int8_t sh_cb_beta_offset_div2; + int8_t sh_cb_tc_offset_div2; + int8_t sh_cr_beta_offset_div2; + int8_t sh_cr_tc_offset_div2; + uint8_t sh_dep_quant_used_flag; + + uint8_t sh_sign_data_hiding_used_flag; + uint8_t sh_ts_residual_coding_disabled_flag; + uint16_t sh_slice_header_extension_length; + uint8_t sh_slice_header_extension_data_byte[256]; + + uint8_t sh_entry_offset_len_minus1; + uint32_t sh_entry_point_offset_minus1[VVC_MAX_ENTRY_POINTS]; + +} H266RawSliceHeader; + +typedef struct H266RawSlice { + H266RawSliceHeader header; + + uint8_t *data; + AVBufferRef *data_ref; + size_t data_size; + int data_bit_start; +} H266RawSlice; + +typedef struct H266RawSEIDecodedPictureHash { + uint8_t dph_sei_hash_type; + uint8_t dph_sei_single_component_flag; + uint8_t dph_sei_picture_md5[3][16]; + uint16_t dph_sei_picture_crc[3]; + uint32_t dph_sei_picture_checksum[3]; + + uint8_t ph_sei_reserved_zero_7bits; +} H266RawSEIDecodedPictureHash; + +typedef struct H266RawSEIPayload { + uint32_t payload_type; + uint32_t payload_size; + union { + H266RawSEIDecodedPictureHash decoded_picture_hash; + struct { + uint8_t *data; + AVBufferRef *data_ref; + size_t data_length; + } other; + } payload; + H266RawExtensionData extension_data; +} H266RawSEIPayload; + +typedef struct H266RawSEI { + H266RawNALUnitHeader nal_unit_header; + SEIRawMessageList message_list; +} H266RawSEI; + +typedef struct H266AuDetector { + uint8_t inited; + uint8_t prev_layer_id; + int prev_tid0_poc; + int prev_poc; +} H266AuDetector; + +typedef struct CodedBitstreamH266Context { + // Reader/writer context in common with the H.264 implementation. + CodedBitstreamH2645Context common; + + // All currently available parameter sets. These are updated when + // any parameter set NAL unit is read/written with this context. + AVBufferRef *vps_ref[VVC_MAX_VPS_COUNT]; + AVBufferRef *sps_ref[VVC_MAX_SPS_COUNT]; + AVBufferRef *pps_ref[VVC_MAX_PPS_COUNT]; + AVBufferRef *ph_ref; + H266RawVPS *vps[VVC_MAX_SPS_COUNT]; + H266RawSPS *sps[VVC_MAX_SPS_COUNT]; + H266RawPPS *pps[VVC_MAX_PPS_COUNT]; + H266RawPH *ph; + + struct { + H266AuDetector au_detector; + } priv; + +} CodedBitstreamH266Context; + +int h266_is_au_start(CodedBitstreamH266Context* ctx, CodedBitstreamFragment *pu, void* log_ctx); + +#endif /* AVCODEC_CBS_H266_H */ diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c new file mode 100644 index 0000000000..702c558596 --- /dev/null +++ b/libavcodec/cbs_h266_syntax_template.c @@ -0,0 +1,3006 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw) +{ + int err; + + fixed(1, rbsp_stop_one_bit, 1); + while (byte_alignment(rw) != 0) + fixed(1, rbsp_alignment_zero_bit, 0); + return 0; +} + +static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawNALUnitHeader *current, + int expected_nal_unit_type) +{ + int err; + + fixed(1, forbidden_zero_bit, 0); + flag(nuh_reserved_zero_bit); + + u(6, nuh_layer_id, 0, 55); + + if (expected_nal_unit_type >= 0) + u(5, nal_unit_type, expected_nal_unit_type, + expected_nal_unit_type); + else + ub(5, nal_unit_type); + + u(3, nuh_temporal_id_plus1, 1, 7); + return 0; +} + +static int FUNC(byte_alignment)(CodedBitstreamContext *ctx, RWContext *rw) +{ + int err; + + fixed(1, byte_alignment_bit_equal_to_one, 1); + while (byte_alignment(rw) != 0) + fixed(1, byte_alignment_bit_equal_to_zero, 0); + return 0; +} + +static int FUNC(general_constraints_info)(CodedBitstreamContext *ctx, + RWContext *rw, + H266GeneralConstraintsInfo *current) +{ + int err, i; + + flag(gci_present_flag); + if (current->gci_present_flag) { + /* general */ + flag(gci_intra_only_constraint_flag); + flag(gci_all_layers_independent_constraint_flag); + flag(gci_one_au_only_constraint_flag); + + /* picture format */ + u(4, gci_sixteen_minus_max_bitdepth_constraint_idc, 0, 8); + ub(2, gci_three_minus_max_chroma_format_constraint_idc); + + /* NAL unit type related */ + flag(gci_no_mixed_nalu_types_in_pic_constraint_flag); + flag(gci_no_trail_constraint_flag); + flag(gci_no_stsa_constraint_flag); + flag(gci_no_rasl_constraint_flag); + flag(gci_no_radl_constraint_flag); + flag(gci_no_idr_constraint_flag); + flag(gci_no_cra_constraint_flag); + flag(gci_no_gdr_constraint_flag); + flag(gci_no_aps_constraint_flag); + flag(gci_no_idr_rpl_constraint_flag); + + /* tile, slice, subpicture partitioning */ + flag(gci_one_tile_per_pic_constraint_flag); + flag(gci_pic_header_in_slice_header_constraint_flag); + flag(gci_one_slice_per_pic_constraint_flag); + flag(gci_no_rectangular_slice_constraint_flag); + flag(gci_one_slice_per_subpic_constraint_flag); + flag(gci_no_subpic_info_constraint_flag); + + /* CTU and block partitioning */ + ub(2, gci_three_minus_max_log2_ctu_size_constraint_idc); + flag(gci_no_partition_constraints_override_constraint_flag); + flag(gci_no_mtt_constraint_flag); + flag(gci_no_qtbtt_dual_tree_intra_constraint_flag); + + /* intra */ + flag(gci_no_palette_constraint_flag); + flag(gci_no_ibc_constraint_flag); + flag(gci_no_isp_constraint_flag); + flag(gci_no_mrl_constraint_flag); + flag(gci_no_mip_constraint_flag); + flag(gci_no_cclm_constraint_flag); + + /* inter */ + flag(gci_no_ref_pic_resampling_constraint_flag); + flag(gci_no_res_change_in_clvs_constraint_flag); + flag(gci_no_weighted_prediction_constraint_flag); + flag(gci_no_ref_wraparound_constraint_flag); + flag(gci_no_temporal_mvp_constraint_flag); + flag(gci_no_sbtmvp_constraint_flag); + flag(gci_no_amvr_constraint_flag); + flag(gci_no_bdof_constraint_flag); + flag(gci_no_smvd_constraint_flag); + flag(gci_no_dmvr_constraint_flag); + flag(gci_no_mmvd_constraint_flag); + flag(gci_no_affine_motion_constraint_flag); + flag(gci_no_prof_constraint_flag); + flag(gci_no_bcw_constraint_flag); + flag(gci_no_ciip_constraint_flag); + flag(gci_no_gpm_constraint_flag); + + /* transform, quantization, residual */ + flag(gci_no_luma_transform_size_64_constraint_flag); + flag(gci_no_transform_skip_constraint_flag); + flag(gci_no_bdpcm_constraint_flag); + flag(gci_no_mts_constraint_flag); + flag(gci_no_lfnst_constraint_flag); + flag(gci_no_joint_cbcr_constraint_flag); + flag(gci_no_sbt_constraint_flag); + flag(gci_no_act_constraint_flag); + flag(gci_no_explicit_scaling_list_constraint_flag); + flag(gci_no_dep_quant_constraint_flag); + flag(gci_no_sign_data_hiding_constraint_flag); + flag(gci_no_cu_qp_delta_constraint_flag); + flag(gci_no_chroma_qp_offset_constraint_flag); + + /* loop filter */ + flag(gci_no_sao_constraint_flag); + flag(gci_no_alf_constraint_flag); + flag(gci_no_ccalf_constraint_flag); + flag(gci_no_lmcs_constraint_flag); + flag(gci_no_ladf_constraint_flag); + flag(gci_no_virtual_boundaries_constraint_flag); + ub(8, gci_num_reserved_bits); + for (i = 0; i < current->gci_num_reserved_bits; i++) { + flags(gci_reserved_zero_bit[i], 1, i); + } + } + while (byte_alignment(rw) != 0) + fixed(1, gci_alignment_zero_bit, 0); + return 0; +} + +static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawProfileTierLevel *current, + int profile_tier_present_flag, + int max_num_sub_layers_minus1) +{ + int err, i; + + if (profile_tier_present_flag) { + ub(7, general_profile_idc); + flag(general_tier_flag); + } + ub(8, general_level_idc); + flag(ptl_frame_only_constraint_flag); + flag(ptl_multilayer_enabled_flag); + if (profile_tier_present_flag) { + CHECK(FUNC(general_constraints_info)(ctx, rw, + ¤t->general_constraints_info)); + } + for (i = max_num_sub_layers_minus1 - 1; i >= 0; i--) + flags(ptl_sublayer_level_present_flag[i], 1, i); + while (byte_alignment(rw) != 0) + flag(ptl_reserved_zero_bit); + for (i = max_num_sub_layers_minus1 - 1; i >= 0; i--) + if (current->ptl_sublayer_level_present_flag[i]) + ubs(8, sublayer_level_idc[i], 1, i); + if (profile_tier_present_flag) { + ub(8, ptl_num_sub_profiles); + for (i = 0; i < current->ptl_num_sub_profiles; i++) + ubs(32, general_sub_profile_idc[i], 1, i); + } + return 0; +} + +static int FUNC(vui_parameters_default)(CodedBitstreamContext *ctx, + RWContext *rw, H266RawVUI *current) +{ + //defined in D.8 + infer(vui_progressive_source_flag, 0); + infer(vui_interlaced_source_flag, 0); + + infer(vui_non_packed_constraint_flag, 0); + infer(vui_non_projected_constraint_flag, 0); + + infer(vui_aspect_ratio_constant_flag, 0); + infer(vui_aspect_ratio_idc, 0); + + infer(vui_overscan_info_present_flag, 0); + + infer(vui_colour_primaries, 2); + infer(vui_transfer_characteristics, 2); + infer(vui_matrix_coeffs, 2); + infer(vui_full_range_flag, 0); + + infer(vui_chroma_sample_loc_type_frame, 6); + infer(vui_chroma_sample_loc_type_top_field, 6); + infer(vui_chroma_sample_loc_type_bottom_field, 6); + return 0; +} + +static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawVUI *current, uint8_t chroma_format_idc) +{ + int err; + + flag(vui_progressive_source_flag); + flag(vui_interlaced_source_flag); + flag(vui_non_packed_constraint_flag); + flag(vui_non_projected_constraint_flag); + flag(vui_aspect_ratio_info_present_flag); + if (current->vui_aspect_ratio_info_present_flag) { + flag(vui_aspect_ratio_constant_flag); + ub(8, vui_aspect_ratio_idc); + if (current->vui_aspect_ratio_idc == 255) { + ub(16, vui_sar_width); + ub(16, vui_sar_height); + } + } else { + infer(vui_aspect_ratio_constant_flag, 0); + infer(vui_aspect_ratio_idc, 0); + } + flag(vui_overscan_info_present_flag); + if (current->vui_overscan_info_present_flag) + flag(vui_overscan_appropriate_flag); + flag(vui_colour_description_present_flag); + if (current->vui_colour_description_present_flag) { + ub(8, vui_colour_primaries); + ub(8, vui_transfer_characteristics); + ub(8, vui_matrix_coeffs); + flag(vui_full_range_flag); + } else { + infer(vui_colour_primaries, 2); + infer(vui_transfer_characteristics, 2); + infer(vui_matrix_coeffs, 2); + infer(vui_full_range_flag, 0); + } + flag(vui_chroma_loc_info_present_flag); + if (chroma_format_idc != 1 && current->vui_chroma_loc_info_present_flag) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "chroma_format_idc == %d," + "vui_chroma_loc_info_present_flag can't not be true", chroma_format_idc); + return AVERROR_INVALIDDATA; + } + if (current->vui_chroma_loc_info_present_flag) { + if (current->vui_progressive_source_flag && + !current->vui_interlaced_source_flag) { + ue(vui_chroma_sample_loc_type_frame, 0, 6); + } else { + ue(vui_chroma_sample_loc_type_top_field, 0, 6); + ue(vui_chroma_sample_loc_type_bottom_field, 0, 6); + } + } else { + if (chroma_format_idc == 1) { + infer(vui_chroma_sample_loc_type_frame, 6); + infer(vui_chroma_sample_loc_type_top_field, + current->vui_chroma_sample_loc_type_frame); + infer(vui_chroma_sample_loc_type_bottom_field, + current->vui_chroma_sample_loc_type_frame); + } + } + return 0; +} + +static int FUNC(payload_extension)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawExtensionData *current, + uint32_t payload_size, int cur_pos) +{ + int err; + size_t byte_length, k; + +#ifdef READ + GetBitContext tmp; + int bits_left, payload_zero_bits; + + if (!cbs_h265_payload_extension_present(rw, payload_size, cur_pos)) + return 0; + + bits_left = 8 * payload_size - cur_pos; + tmp = *rw; + if (bits_left > 8) + skip_bits_long(&tmp, bits_left - 8); + payload_zero_bits = get_bits(&tmp, FFMIN(bits_left, 8)); + if (!payload_zero_bits) + return AVERROR_INVALIDDATA; + payload_zero_bits = ff_ctz(payload_zero_bits); + current->bit_length = bits_left - payload_zero_bits - 1; + allocate(current->data, (current->bit_length + 7) / 8); +#endif + + byte_length = (current->bit_length + 7) / 8; + for (k = 0; k < byte_length; k++) { + int length = FFMIN(current->bit_length - k * 8, 8); + xu(length, reserved_payload_extension_data, current->data[k], + 0, MAX_UINT_BITS(length), 0); + } + + return 0; +} + +static int FUNC(vui_payload)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawVUI *current, uint16_t vui_payload_size, + uint8_t chroma_format_idc) +{ + int err; + int start_position, current_position; + + start_position = bit_position(rw); + CHECK(FUNC(vui_parameters)(ctx, rw, current, chroma_format_idc)); + current_position = bit_position(rw) - start_position; + + if (current_position < 8 * vui_payload_size) { + CHECK(FUNC(payload_extension)(ctx, rw, ¤t->extension_data, + vui_payload_size, current_position)); + fixed(1, vui_payload_bit_equal_to_one, 1); + while (byte_alignment(rw) != 0) + fixed(1, vui_payload_bit_equal_to_zero, 0); + } + return 0; +} + +static int FUNC(extension_data)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawExtensionData *current) +{ + int err; + size_t k; +#ifdef READ + GetBitContext start; + uint8_t bit; + start = *rw; + for (k = 0; cbs_h2645_read_more_rbsp_data(rw); k++) + skip_bits(rw, 1); + current->bit_length = k; + if (k > 0) { + *rw = start; + allocate(current->data, (current->bit_length + 7) / 8); + for (k = 0; k < current->bit_length; k++) { + xu(1, extension_data, bit, 0, 1, 0); + current->data[k / 8] |= bit << (7 - k % 8); + } + } +#else + for (k = 0; k < current->bit_length; k++) + xu(1, extension_data, current->data[k / 8] >> (7 - k % 8) & 1, 0, 1, 0); +#endif + return 0; +} + +static int FUNC(dpb_parameters)(CodedBitstreamContext *ctx, RWContext *rw, + H266DpbParameters *current, + uint8_t max_sublayers_minus1, + uint8_t sublayer_info_flag) +{ + int err, i; + for (i = (sublayer_info_flag ? 0 : max_sublayers_minus1); + i <= max_sublayers_minus1; i++) { + ues(dpb_max_dec_pic_buffering_minus1[i], + 0, VVC_MAX_DPB_SIZE - 1, 1, i); + ues(dpb_max_num_reorder_pics[i], + 0, current->dpb_max_dec_pic_buffering_minus1[i], 1, i); + ues(dpb_max_latency_increase_plus1[i], 0, UINT32_MAX - 1, 1, i); + } + return 0; +} + +static int FUNC(ref_pic_list_struct)(CodedBitstreamContext *ctx, RWContext *rw, + H266RefPicListStruct *current, + uint8_t list_idx, uint8_t rpls_idx, + const H266RawSPS *sps) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + int err, i, j, general_layer_idx = -1, num_direct_ref_layers = 0; + const H266RawVPS *vps = h266->vps[sps->sps_video_parameter_set_id]; + + if (!vps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "VPS id %d not available.\n", sps->sps_video_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + //7.4.3.3 (29) + for (i = 0; i <= vps->vps_max_layers_minus1; i++) { + if (sps->nal_unit_header.nuh_layer_id == vps->vps_layer_id[i]) { + general_layer_idx = i; + break; + } + } + if (general_layer_idx < 0) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "vps_layer_id %d not available.\n", sps->nal_unit_header.nuh_layer_id); + return AVERROR_INVALIDDATA; + } + + //7.4.3.3 (28) + for (j = 0; j <= vps->vps_max_layers_minus1; j++) { + if (vps->vps_direct_ref_layer_flag[general_layer_idx][j]) + num_direct_ref_layers++; + } + + ue(num_ref_entries, 0, VVC_MAX_REF_ENTRIES); + if (sps->sps_long_term_ref_pics_flag && + rpls_idx < sps->sps_num_ref_pic_lists[list_idx] && + current->num_ref_entries > 0) + flag(ltrp_in_header_flag); + if (sps->sps_long_term_ref_pics_flag && + rpls_idx == sps->sps_num_ref_pic_lists[list_idx]) + infer(ltrp_in_header_flag, 1); + for (i = 0, j = 0; i < current->num_ref_entries; i++) { + if (sps->sps_inter_layer_prediction_enabled_flag) + flags(inter_layer_ref_pic_flag[i], 1, i); + else + infer(inter_layer_ref_pic_flag[i], 0); + + if (!current->inter_layer_ref_pic_flag[i]) { + if (sps->sps_long_term_ref_pics_flag) + flags(st_ref_pic_flag[i], 1, i); + else + infer(st_ref_pic_flag[i], 1); + if (current->st_ref_pic_flag[i]) { + int abs_delta_poc_st; + ues(abs_delta_poc_st[i], 0, MAX_UINT_BITS(15), 1, i); + if ((sps->sps_weighted_pred_flag || + sps->sps_weighted_bipred_flag) && i != 0) + abs_delta_poc_st = current->abs_delta_poc_st[i]; + else + abs_delta_poc_st = current->abs_delta_poc_st[i] + 1; + if (abs_delta_poc_st > 0) + flags(strp_entry_sign_flag[i], 1, i); + } else { + if (!current->ltrp_in_header_flag) { + uint8_t bits = sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4; + ubs(bits, rpls_poc_lsb_lt[j], 1, j); + j++; + } + } + } else { + if (num_direct_ref_layers == 0) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "num_direct_ref_layers needs > 0.\n"); + return AVERROR_INVALIDDATA; + } + ues(ilrp_idx[i], 0, num_direct_ref_layers - 1, 1, i); + } + } + return 0; +} + +static int FUNC(ref_pic_lists)(CodedBitstreamContext *ctx, RWContext *rw, + const H266RawSPS *sps, const H266RawPPS *pps, + H266RefPicLists *current) +{ + const H266RefPicListStruct *ref_list; + int err, i, j, num_ltrp_entries; + for (i = 0; i < 2; i++) { + if (sps->sps_num_ref_pic_lists[i] > 0 && + (i == 0 || (i == 1 && pps->pps_rpl1_idx_present_flag))) { + flags(rpl_sps_flag[i], 1, i); + } else { + if (sps->sps_num_ref_pic_lists[i] == 0) { + infer(rpl_sps_flag[i], 0); + } else { + if (!pps->pps_rpl1_idx_present_flag && i == 1) + infer(rpl_sps_flag[1], current->rpl_sps_flag[0]); + } + } + if (current->rpl_sps_flag[i]) { + if (sps->sps_num_ref_pic_lists[i] > 1 && + (i == 0 || (i == 1 && pps->pps_rpl1_idx_present_flag))) { + uint8_t bits = av_ceil_log2(sps->sps_num_ref_pic_lists[i]); + us(bits, rpl_idx[i], 0, sps->sps_num_ref_pic_lists[i] - 1, 1, i); + } else if (sps->sps_num_ref_pic_lists[i] == 1) { + infer(rpl_idx[i], 0); + } else if (i == 1 && !pps->pps_rpl1_idx_present_flag){ + infer(rpl_idx[1], current->rpl_idx[0]); + } else { + //how to handle this? or never happpend? + av_log(ctx->log_ctx, AV_LOG_ERROR, + "can't infer the rpl_idx[i]\n"); + return AVERROR_PATCHWELCOME; + } + memcpy(¤t->rpl_ref_list[i], + &sps->sps_ref_pic_list_struct[i][current->rpl_idx[i]], + sizeof(current->rpl_ref_list[i])); + } else { + CHECK(FUNC(ref_pic_list_struct)(ctx, rw, ¤t->rpl_ref_list[i], + i, sps->sps_num_ref_pic_lists[i], sps)); + } + ref_list = ¤t->rpl_ref_list[i]; + + num_ltrp_entries = 0; + for (int i = 0; i < ref_list->num_ref_entries; i++) { + if (!ref_list->inter_layer_ref_pic_flag[i]) { + if (!ref_list->st_ref_pic_flag[i]) { + num_ltrp_entries++; + } + } + } + + for (j = 0; j < num_ltrp_entries; j++) { + if (ref_list->ltrp_in_header_flag) { + ubs(sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4, + poc_lsb_lt[i][j], + 2, i, j); + } + flags(delta_poc_msb_cycle_present_flag[i][j], 2, i, j); + if (current->delta_poc_msb_cycle_present_flag[i][j]) { + uint32_t max = 1 << (32 - sps->sps_log2_max_pic_order_cnt_lsb_minus4 - 4); + ues(delta_poc_msb_cycle_lt[i][j], 0, max, 2, i, j); + } + } + } + return 0; +} + +static int FUNC(general_timing_hrd_parameters)(CodedBitstreamContext *ctx, + RWContext *rw, + H266RawGeneralTimingHrdParameters *current) +{ + int err; + ub(32, num_units_in_tick); + u(32, time_scale, 1, MAX_UINT_BITS(32)); + flag(general_nal_hrd_params_present_flag); + flag(general_vcl_hrd_params_present_flag); + + if (current->general_nal_hrd_params_present_flag || + current->general_vcl_hrd_params_present_flag) { + flag(general_same_pic_timing_in_all_ols_flag); + flag(general_du_hrd_params_present_flag); + if (current->general_du_hrd_params_present_flag) + ub(8, tick_divisor_minus2); + ub(4, bit_rate_scale); + ub(4, cpb_size_scale); + if (current->general_du_hrd_params_present_flag) + ub(4, cpb_size_du_scale); + ue(hrd_cpb_cnt_minus1, 0, 31); + } else { + //infer general_same_pic_timing_in_all_ols_flag? + infer(general_du_hrd_params_present_flag, 0); + } + return 0; +} + +static int FUNC(sublayer_hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawSubLayerHRDParameters *current, int sublayer_id, + const H266RawGeneralTimingHrdParameters *general) +{ + int err, i; + for (i = 0; i <= general->hrd_cpb_cnt_minus1; i++) { + ues(bit_rate_value_minus1[sublayer_id][i], 0, UINT32_MAX - 1, 2, sublayer_id, i); + ues(cpb_size_value_minus1[sublayer_id][i], 0, UINT32_MAX - 1, 2, sublayer_id, i); + if (general->general_du_hrd_params_present_flag) { + ues(cpb_size_du_value_minus1[sublayer_id][i], + 0, UINT32_MAX - 1, 2, sublayer_id, i); + ues(bit_rate_du_value_minus1[sublayer_id][i], + 0, UINT32_MAX - 1, 2, sublayer_id, i); + } + flags(cbr_flag[sublayer_id][i], 2, sublayer_id, i); + } + return 0; +} + +static int FUNC(ols_timing_hrd_parameters)(CodedBitstreamContext *ctx, + RWContext *rw, H266RawOlsTimingHrdParameters *current, + uint8_t first_sublayer, uint8_t max_sublayers_minus1, + const H266RawGeneralTimingHrdParameters *general) +{ + int err, i; + for (i = first_sublayer; i <= max_sublayers_minus1; i++) { + flags(fixed_pic_rate_general_flag[i], 1, i); + if (!current->fixed_pic_rate_general_flag[i]) + flags(fixed_pic_rate_within_cvs_flag[i], 1, i); + else + infer(fixed_pic_rate_within_cvs_flag[i], 1); + if (current->fixed_pic_rate_within_cvs_flag[i]) { + ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i); + infer(low_delay_hrd_flag[i], 0); + } else if ((general->general_nal_hrd_params_present_flag || + general->general_vcl_hrd_params_present_flag) && + general->hrd_cpb_cnt_minus1 == 0) { + flags(low_delay_hrd_flag[i], 1, i); + } else { + infer(low_delay_hrd_flag[i], 0); + } + if (general->general_nal_hrd_params_present_flag) + CHECK(FUNC(sublayer_hrd_parameters)(ctx, rw, + ¤t->nal_sub_layer_hrd_parameters, + i, general)); + if (general->general_vcl_hrd_params_present_flag) + CHECK(FUNC(sublayer_hrd_parameters)(ctx, rw, + ¤t->nal_sub_layer_hrd_parameters, i, general)); + } + return 0; +} + +static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawVPS *current) +{ + int err, i, j, k; + uint16_t total_num_olss = 0; + uint8_t ols_mode_idc = 0; + uint16_t num_multi_layer_olss = 0; + uint8_t layer_included_in_ols_flag[VVC_MAX_TOTAL_NUM_OLSS][VVC_MAX_LAYERS]; + uint8_t num_ref_layers[VVC_MAX_LAYERS]; + uint8_t reference_layer_idx[VVC_MAX_LAYERS][VVC_MAX_LAYERS]; + + HEADER("Video Parameter Set"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, + ¤t->nal_unit_header, VVC_VPS_NUT)); + + ub(4, vps_video_parameter_set_id); + if (current->vps_video_parameter_set_id == 0) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "vps_video_parameter_set_id should > 0.\n"); + return AVERROR_INVALIDDATA; + } + ub(6, vps_max_layers_minus1); + u(3, vps_max_sublayers_minus1, 0, 6); + if (current->vps_max_layers_minus1 > 0 && current->vps_max_sublayers_minus1 > 0) + flag(vps_default_ptl_dpb_hrd_max_tid_flag); + else + infer(vps_default_ptl_dpb_hrd_max_tid_flag, 1); + + if (current->vps_max_layers_minus1 > 0) + flag(vps_all_independent_layers_flag); + else + infer(vps_all_independent_layers_flag, 1); + + for (i = 0; i <= current->vps_max_layers_minus1; i++) { + ubs(6, vps_layer_id[i], 1, i); + if (i > 0 && current->vps_layer_id[i] <= current->vps_layer_id[i - 1]) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "vps_layer_id[%d](%d) should > vps_layer_id[%d](%d).\n", + i, current->vps_layer_id[i], i - 1, current->vps_layer_id[i - 1]); + return AVERROR_INVALIDDATA; + } + if (i > 0 && !current->vps_all_independent_layers_flag) { + flags(vps_independent_layer_flag[i], 1, i); + if (!current->vps_independent_layer_flag[i]) { + flags(vps_max_tid_ref_present_flag[i], 1, i); + for (j = 0; j < i; j++) { + flags(vps_direct_ref_layer_flag[i][j], 2, i, j); + if (current->vps_max_tid_ref_present_flag[i] && + current->vps_direct_ref_layer_flag[i][j]) { + ubs(3, vps_max_tid_il_ref_pics_plus1[i][j], 2, i, j); + } else { + infer(vps_max_tid_il_ref_pics_plus1[i][j], + current->vps_max_sublayers_minus1 + 1); + } + } + } else { + for (j = 0; j < i; j++) { + infer(vps_direct_ref_layer_flag[i][j], 0); + } + } + } else { + infer(vps_independent_layer_flag[i], 1); + for (j = 0; j < i; j++) { + infer(vps_direct_ref_layer_flag[i][j], 0); + } + } + } + + if (current->vps_max_layers_minus1 > 0) { + if (current->vps_all_independent_layers_flag) + flag(vps_each_layer_is_an_ols_flag); + else + infer(vps_each_layer_is_an_ols_flag, 0); + if (!current->vps_each_layer_is_an_ols_flag) { + if (!current->vps_all_independent_layers_flag) + ub(2, vps_ols_mode_idc); + else + infer(vps_ols_mode_idc, 2); + if (current->vps_ols_mode_idc == 2) { + ub(8, vps_num_output_layer_sets_minus2); + for (i = 1; i <= current->vps_num_output_layer_sets_minus2 + 1; i++) + for (j = 0; j <= current->vps_max_layers_minus1; j++) + flags(vps_ols_output_layer_flag[i][j], 2, i, j); + } + ols_mode_idc = current->vps_ols_mode_idc; + } else { + ols_mode_idc = 4; + } + if (ols_mode_idc == 4 || ols_mode_idc == 0 || ols_mode_idc == 1) + total_num_olss = current->vps_max_layers_minus1 + 1; + else if (ols_mode_idc = 2) + total_num_olss = current->vps_num_output_layer_sets_minus2 + 2; + else + av_log(ctx->log_ctx, AV_LOG_ERROR, "ols_mode_idc == 3, patch welcome"); + u(8, vps_num_ptls_minus1, 0, total_num_olss - 1); + } else { + infer(vps_each_layer_is_an_ols_flag, 1); + infer(vps_num_ptls_minus1, 0); + } + { + //let's get calc NumMultiLayerOlss + int m; + uint8_t dependency_flag[VVC_MAX_LAYERS][VVC_MAX_LAYERS]; + uint16_t num_output_layers_in_ols[VVC_MAX_TOTAL_NUM_OLSS]; + uint8_t num_sub_layers_in_layer_in_ols[VVC_MAX_TOTAL_NUM_OLSS][VVC_MAX_TOTAL_NUM_OLSS]; + uint8_t output_layer_idx[VVC_MAX_TOTAL_NUM_OLSS][VVC_MAX_LAYERS]; + + //7.4.3.3 vps_direct_ref_layer_flag section + for (i = 0; i <= current->vps_max_layers_minus1; i++) { + for (j = 0; j <= current->vps_max_layers_minus1; j++) { + dependency_flag[i][j] = current->vps_direct_ref_layer_flag[i][j]; + for (k = 0; k < i; k++) { + if (current->vps_direct_ref_layer_flag[i][k] && dependency_flag[k][j]) + dependency_flag[i][j] = 1; + } + } + } + for (i = 0; i <= current->vps_max_layers_minus1; i++) { + int r; + for (j = 0, r = 0; j <= current->vps_max_layers_minus1; j++) { + if (dependency_flag[i][j]) + reference_layer_idx[i][r++] = j; + } + num_ref_layers[i] = r; + } + + //7.4.3.3 vps_ols_output_layer_flag section + num_output_layers_in_ols[0] = 1; + num_sub_layers_in_layer_in_ols[0][0] = current->vps_ptl_max_tid[current->vps_ols_ptl_idx[0]] + 1; + for (i = 1; i < total_num_olss; i++) { + if (ols_mode_idc == 4 || ols_mode_idc == 0) { + num_output_layers_in_ols[i] = 1; + if (current->vps_each_layer_is_an_ols_flag) { + num_sub_layers_in_layer_in_ols[i][0] = + current->vps_ptl_max_tid[current->vps_ols_ptl_idx[i]] + 1; + } else { + num_sub_layers_in_layer_in_ols[i][i] = + current->vps_ptl_max_tid[current->vps_ols_ptl_idx[i]] + 1; + for (k = i - 1; k >= 0; k--) { + num_sub_layers_in_layer_in_ols[i][k] = 0; + for (m = k + 1; m <= i; m++) { + uint8_t max_sublayer_needed = + FFMIN(num_sub_layers_in_layer_in_ols[i][m], + current->vps_max_tid_il_ref_pics_plus1[m][k]); + if (current->vps_direct_ref_layer_flag[m][k] && + num_sub_layers_in_layer_in_ols[i][k] < max_sublayer_needed) + num_sub_layers_in_layer_in_ols[i][k] = max_sublayer_needed; + } + } + } + } else if (current->vps_ols_mode_idc == 1) { + num_output_layers_in_ols[i] = i + 1; + for (j = 0; j < num_output_layers_in_ols[i]; j++) { + num_sub_layers_in_layer_in_ols[i][j] = + current->vps_ptl_max_tid[current->vps_ols_ptl_idx[i]] + 1; + } + } else if (current->vps_ols_mode_idc == 2) { + uint8_t highest_included_layer = 0; + for (j = 0; j <= current->vps_max_layers_minus1; j++) { + layer_included_in_ols_flag[i][j] = 0; + num_sub_layers_in_layer_in_ols[i][j] = 0; + } + for (k = 0, j = 0; k <= current->vps_max_layers_minus1; k++) { + if (current->vps_ols_output_layer_flag[i][k]) { + layer_included_in_ols_flag[i][k] = 1; + highest_included_layer = k; + output_layer_idx[i][j] = k; + num_sub_layers_in_layer_in_ols[i][k] = + current->vps_ptl_max_tid[current->vps_ols_ptl_idx[i]] + 1; + } + } + num_output_layers_in_ols[i] = j; + for (j = 0; j < num_output_layers_in_ols[i]; j++) { + int idx = output_layer_idx[i][j]; + for (k = 0; k < num_ref_layers[idx]; k++) { + if (!layer_included_in_ols_flag[i][reference_layer_idx[idx][k]]) + layer_included_in_ols_flag[i][reference_layer_idx[idx][k]] = 1; + } + } + for (k = highest_included_layer - 1; k >= 0; k--) { + if (layer_included_in_ols_flag[i][k] && !current->vps_ols_output_layer_flag[i][k]) { + for (m = k + 1; m <= highest_included_layer; m++) { + uint8_t max_sublayer_needed = + FFMIN(num_sub_layers_in_layer_in_ols[i][m], + current->vps_max_tid_il_ref_pics_plus1[m][k]); + if (current->vps_direct_ref_layer_flag[m][k] && + layer_included_in_ols_flag[i][m] && + num_sub_layers_in_layer_in_ols[i][k] < max_sublayer_needed) + num_sub_layers_in_layer_in_ols[i][k] = max_sublayer_needed; + } + } + } + } + } + for (i = 1; i < total_num_olss; i++) { + int num_layers_in_ols = 0; + if (current->vps_each_layer_is_an_ols_flag) { + num_layers_in_ols = 1; + } else if (current->vps_ols_mode_idc == 0 || current->vps_ols_mode_idc == 1) { + num_layers_in_ols = i + 1; + } else if (current->vps_ols_mode_idc == 2) { + for (k = 0, j = 0; k <= current->vps_max_layers_minus1; k++) { + if (layer_included_in_ols_flag[i][k]) + j++; + num_layers_in_ols = j; + } + } + if (num_layers_in_ols > 1) { + num_multi_layer_olss++; + } + } + } + + for (i = 0; i <= current->vps_num_ptls_minus1; i++) { + if (i > 0) + flags(vps_pt_present_flag[i], 1, i); + else + infer(vps_pt_present_flag[i], 1); + + if (!current->vps_default_ptl_dpb_hrd_max_tid_flag) + us(3, vps_ptl_max_tid[i], 0, current->vps_max_sublayers_minus1, 1, i); + else + infer(vps_ptl_max_tid[i], current->vps_max_sublayers_minus1); + } + while (byte_alignment(rw) != 0) + fixed(1, vps_ptl_alignment_zero_bit, 0); + for (i = 0; i <= current->vps_num_ptls_minus1; i++) { + CHECK(FUNC(profile_tier_level)(ctx, rw, + current->vps_profile_tier_level + i, + current->vps_pt_present_flag[i], + current->vps_ptl_max_tid[i])); + } + for (i = 0; i < total_num_olss; i++) { + if (current->vps_num_ptls_minus1 > 0 && + current->vps_num_ptls_minus1 + 1 != total_num_olss) { + us(8, vps_ols_ptl_idx[i], 0, current->vps_num_ptls_minus1, 1, i); + } + else if (current->vps_num_ptls_minus1 == 0) { + infer(vps_ols_ptl_idx[i], 0); + } else { + infer(vps_ols_ptl_idx[i], i); + } + } + + if (!current->vps_each_layer_is_an_ols_flag) { + uint16_t vps_num_dpb_params; + ue(vps_num_dpb_params_minus1, 0, num_multi_layer_olss - 1); + if (current->vps_each_layer_is_an_ols_flag) + vps_num_dpb_params = 0; + else + vps_num_dpb_params = current->vps_num_dpb_params_minus1 + 1; + + if (current->vps_max_sublayers_minus1 > 0) + flag(vps_sublayer_dpb_params_present_flag); + else + infer(vps_sublayer_dpb_params_present_flag, 0); + + for (i = 0; i < vps_num_dpb_params; i++) { + if (!current->vps_default_ptl_dpb_hrd_max_tid_flag) + us(3, vps_dpb_max_tid[i], 0, current->vps_max_sublayers_minus1, 1, i); + else + infer(vps_dpb_max_tid[i], current->vps_max_sublayers_minus1); + CHECK(FUNC(dpb_parameters)(ctx, rw, current->vps_dpb_params + i, + current->vps_dpb_max_tid[i], + current->vps_sublayer_dpb_params_present_flag)); + } + for (i = 0; i < num_multi_layer_olss; i++) { + ues(vps_ols_dpb_pic_width[i], 0, UINT16_MAX, 1, i); + ues(vps_ols_dpb_pic_height[i], 0, UINT16_MAX, 1, i); + ubs(2, vps_ols_dpb_chroma_format[i], 1, i); + ues(vps_ols_dpb_bitdepth_minus8[i], 0, 2, 1, i); + if (vps_num_dpb_params > 1 && vps_num_dpb_params != num_multi_layer_olss) + ues(vps_ols_dpb_params_idx[i], 0, vps_num_dpb_params - 1, 1, i); + else if (vps_num_dpb_params == 1) + infer(vps_ols_dpb_params_idx[i], 0); + else + infer(vps_ols_dpb_params_idx[i], i); + } + flag(vps_timing_hrd_params_present_flag); + if (current->vps_timing_hrd_params_present_flag) { + CHECK(FUNC(general_timing_hrd_parameters)(ctx, rw, + ¤t->vps_general_timing_hrd_parameters)); + if (current->vps_max_sublayers_minus1 > 0) + flag(vps_sublayer_cpb_params_present_flag); + else + infer(vps_sublayer_cpb_params_present_flag, 0); + ue(vps_num_ols_timing_hrd_params_minus1, 0, num_multi_layer_olss - 1); + for (i = 0; i <= current->vps_num_ols_timing_hrd_params_minus1; i++) { + uint8_t first_sublayer; + if (!current->vps_default_ptl_dpb_hrd_max_tid_flag) + us(3, vps_hrd_max_tid[i], 0, current->vps_max_sublayers_minus1, 1, i); + else + infer(vps_hrd_max_tid[i], current->vps_max_sublayers_minus1); + first_sublayer = current->vps_sublayer_cpb_params_present_flag ? + 0 : current->vps_hrd_max_tid[i]; + CHECK(FUNC(ols_timing_hrd_parameters)(ctx, rw, + ¤t->vps_ols_timing_hrd_parameters, first_sublayer, + current->vps_max_sublayers_minus1, + ¤t->vps_general_timing_hrd_parameters)); + + } + if (current->vps_num_ols_timing_hrd_params_minus1 > 0 && + current-> vps_num_ols_timing_hrd_params_minus1 + 1 != num_multi_layer_olss) { + for (i = 0; i < num_multi_layer_olss; i++) { + ues(vps_ols_timing_hrd_idx[i], 0, + current->vps_num_ols_timing_hrd_params_minus1, 1, i); + } + } else if (current->vps_num_ols_timing_hrd_params_minus1 == 0) { + for (i = 0; i < num_multi_layer_olss; i++) + infer(vps_ols_timing_hrd_idx[i], 0); + } else { + for (i = 0; i < num_multi_layer_olss; i++) + infer(vps_ols_timing_hrd_idx[i], i); + } + } + } + + flag(vps_extension_flag); + if (current->vps_extension_flag) + CHECK(FUNC(extension_data)(ctx, rw, ¤t->extension_data)); + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + + return 0; +} + + +static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawSPS *current) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + int err, i, j; + unsigned int ctb_log2_size_y, min_cb_log2_size_y, + min_qt_log2_size_intra_y, min_qt_log2_size_inter_y, + ctb_size_y, max_num_merge_cand, tmp_width_val, tmp_height_val; + uint8_t qp_bd_offset; + + static const uint8_t h266_sub_width_c[] = { + 1, 2, 2, 1 + }; + static const uint8_t h266_sub_height_c[] = { + 1, 2, 1, 1 + }; + + HEADER("Sequence Parameter Set"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, + ¤t->nal_unit_header, VVC_SPS_NUT)); + + ub(4, sps_seq_parameter_set_id); + ub(4, sps_video_parameter_set_id); + if (current->sps_video_parameter_set_id == 0 && !h266->vps_ref[0]) { + H266RawVPS* vps; + AVBufferRef *ref = av_buffer_allocz(sizeof(H266RawVPS)); + if (!ref) { + return AVERROR(ENOMEM); + } + vps = (H266RawVPS*)ref->data; + vps->vps_max_layers_minus1 = 0; + vps->vps_independent_layer_flag[0] = 1; + vps->vps_layer_id[0] = current->nal_unit_header.nuh_layer_id; + h266->vps_ref[0] = ref; + h266->vps[0] = vps; + } + + u(3, sps_max_sublayers_minus1, 0, VVC_MAX_SUBLAYERS - 1); + u(2, sps_chroma_format_idc, 0, 3); + u(2, sps_log2_ctu_size_minus5, 0, 3); + ctb_log2_size_y = current->sps_log2_ctu_size_minus5 + 5; + ctb_size_y = 1 << ctb_log2_size_y; + + flag(sps_ptl_dpb_hrd_params_present_flag); + if (current->sps_ptl_dpb_hrd_params_present_flag) { + CHECK(FUNC(profile_tier_level)(ctx, rw, ¤t->profile_tier_level, + 1, current->sps_max_sublayers_minus1)); + } + flag(sps_gdr_enabled_flag); + flag(sps_ref_pic_resampling_enabled_flag); + if (current->sps_ref_pic_resampling_enabled_flag) + flag(sps_res_change_in_clvs_allowed_flag); + else + infer(sps_res_change_in_clvs_allowed_flag, 0); + + ue(sps_pic_width_max_in_luma_samples, 1, VVC_MAX_WIDTH); + ue(sps_pic_height_max_in_luma_samples, 1, VVC_MAX_HEIGHT); + + flag(sps_conformance_window_flag); + if (current->sps_conformance_window_flag) { + uint8_t sub_width_c = h266_sub_width_c[current->sps_chroma_format_idc]; + uint8_t sub_height_c = h266_sub_height_c[current->sps_chroma_format_idc]; + uint16_t width = current->sps_pic_width_max_in_luma_samples / sub_width_c; + uint16_t height = current->sps_pic_height_max_in_luma_samples / sub_height_c; + ue(sps_conf_win_left_offset, 0, width); + ue(sps_conf_win_right_offset, 0, width - current->sps_conf_win_left_offset); + ue(sps_conf_win_top_offset, 0, height); + ue(sps_conf_win_bottom_offset, 0, height - current->sps_conf_win_top_offset); + } else { + infer(sps_conf_win_left_offset, 0); + infer(sps_conf_win_right_offset, 0); + infer(sps_conf_win_top_offset, 0); + infer(sps_conf_win_bottom_offset, 0); + } + + tmp_width_val = + h266_ceil(current->sps_pic_width_max_in_luma_samples, ctb_size_y); + tmp_height_val = + h266_ceil(current->sps_pic_height_max_in_luma_samples, ctb_size_y); + + flag(sps_subpic_info_present_flag); + if (current->sps_subpic_info_present_flag) { + ue(sps_num_subpics_minus1, 1, VVC_MAX_SLICES - 1); + if (current->sps_num_subpics_minus1 > 0) { + flag(sps_independent_subpics_flag); + flag(sps_subpic_same_size_flag); + } + + if (current->sps_num_subpics_minus1 > 0) { + int wlen = av_ceil_log2(tmp_width_val); + int hlen = av_ceil_log2(tmp_height_val); + if (current->sps_pic_width_max_in_luma_samples > ctb_size_y) + ubs(wlen, sps_subpic_width_minus1[0], 1, 0); + else + infer(sps_subpic_width_minus1[i], tmp_width_val - 1); + if (current->sps_pic_height_max_in_luma_samples > ctb_size_y) + ubs(hlen, sps_subpic_height_minus1[0], 1, 0); + else + infer(sps_subpic_height_minus1[0], tmp_height_val); + if (!current->sps_independent_subpics_flag) { + flags(sps_subpic_treated_as_pic_flag[0], 1, 0); + flags(sps_loop_filter_across_subpic_enabled_flag[0], 1, 0); + } else { + infer(sps_subpic_treated_as_pic_flag[0], 1); + infer(sps_loop_filter_across_subpic_enabled_flag[0], 1); + } + for (i = 1; i <= current->sps_num_subpics_minus1; i++) { + if (!current->sps_subpic_same_size_flag) { + if (current->sps_pic_width_max_in_luma_samples > ctb_size_y) + ubs(wlen, sps_subpic_ctu_top_left_x[i], 1, i); + else + infer(sps_subpic_ctu_top_left_x[i], 0); + if (current->sps_pic_height_max_in_luma_samples > ctb_size_y) + ubs(hlen, sps_subpic_ctu_top_left_y[i], 1, i); + else + infer(sps_subpic_ctu_top_left_y[i], 0); + if (i < current->sps_num_subpics_minus1 && + current->sps_pic_width_max_in_luma_samples > ctb_size_y) { + ubs(wlen, sps_subpic_width_minus1[i], 1, i); + } else { + infer(sps_subpic_width_minus1[i], + tmp_width_val - current->sps_subpic_ctu_top_left_x[i] - 1); + } + if (i < current->sps_num_subpics_minus1 && + current->sps_pic_height_max_in_luma_samples > ctb_size_y) { + ubs(hlen, sps_subpic_height_minus1[i], 1, i); + } else { + infer(sps_subpic_height_minus1[i], + tmp_height_val - current->sps_subpic_ctu_top_left_y[i] - 1); + } + } else { + int num_subpic_cols = + tmp_width_val / (current->sps_subpic_width_minus1[0] + 1); + infer(sps_subpic_ctu_top_left_x[i], + (i % num_subpic_cols) * + (current->sps_subpic_width_minus1[0] + 1)); + infer(sps_subpic_ctu_top_left_y[i], + (i / num_subpic_cols) * + (current->sps_subpic_height_minus1[0] + 1)); + infer(sps_subpic_width_minus1[i], + current->sps_subpic_width_minus1[0]); + infer(sps_subpic_height_minus1[i], + current->sps_subpic_height_minus1[0]); + } + if (!current->sps_independent_subpics_flag) { + flags(sps_subpic_treated_as_pic_flag[i], 1, i); + flags(sps_loop_filter_across_subpic_enabled_flag[i], 1, i); + } else { + infer(sps_subpic_treated_as_pic_flag[i], 1); + infer(sps_loop_filter_across_subpic_enabled_flag[i], 0); + } + } + ue(sps_subpic_id_len_minus1, 0, 15); + if ((1 << (current->sps_subpic_id_len_minus1 + 1)) < + current->sps_num_subpics_minus1 + 1) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "sps_subpic_id_len_minus1(%d) is too small\n", + current->sps_subpic_id_len_minus1); + return AVERROR_INVALIDDATA; + } + flag(sps_subpic_id_mapping_explicitly_signalled_flag); + if (current->sps_subpic_id_mapping_explicitly_signalled_flag) { + flag(sps_subpic_id_mapping_present_flag); + if (current->sps_subpic_id_mapping_present_flag) { + for (i = 0; i <= current->sps_num_subpics_minus1; i++) { + ubs(current->sps_subpic_id_len_minus1 + 1, + sps_subpic_id[i], 1, i); + } + } + } + } else { + infer(sps_subpic_ctu_top_left_x[0], 0); + infer(sps_subpic_ctu_top_left_y[0], 0); + infer(sps_subpic_width_minus1[0], tmp_width_val - 1); + infer(sps_subpic_height_minus1[0], tmp_height_val - 1); + } + } else { + infer(sps_num_subpics_minus1, 0); + infer(sps_independent_subpics_flag, 1); + infer(sps_subpic_same_size_flag, 0); + infer(sps_subpic_id_mapping_explicitly_signalled_flag, 0); + infer(sps_subpic_ctu_top_left_x[0], 0); + infer(sps_subpic_ctu_top_left_y[0], 0); + infer(sps_subpic_width_minus1[0], tmp_width_val - 1); + infer(sps_subpic_height_minus1[0], tmp_height_val - 1); + } + + + ue(sps_bitdepth_minus8, 0, 2); + qp_bd_offset = 6 * current->sps_bitdepth_minus8; + + flag(sps_entropy_coding_sync_enabled_flag); + flag(sps_entry_point_offsets_present_flag); + + u(4, sps_log2_max_pic_order_cnt_lsb_minus4, 0, 12); + flag(sps_poc_msb_cycle_flag); + if (current->sps_poc_msb_cycle_flag) + ue(sps_poc_msb_cycle_len_minus1, + 0, 32 - current->sps_log2_max_pic_order_cnt_lsb_minus4 - 5); + + u(2, sps_num_extra_ph_bytes, 0, 2); + for (i = 0; i < (current->sps_num_extra_ph_bytes * 8); i++) { + flags(sps_extra_ph_bit_present_flag[i], 1, i); + } + + u(2, sps_num_extra_sh_bytes, 0, 2); + for (i = 0; i < (current->sps_num_extra_sh_bytes * 8); i++) { + flags(sps_extra_sh_bit_present_flag[i], 1, i); + } + + if (current->sps_ptl_dpb_hrd_params_present_flag) { + if (current->sps_max_sublayers_minus1 > 0) + flag(sps_sublayer_dpb_params_flag); + else + infer(sps_sublayer_dpb_params_flag, 0); + CHECK(FUNC(dpb_parameters)(ctx, rw, ¤t->sps_dpb_params, + current->sps_max_sublayers_minus1, + current->sps_sublayer_dpb_params_flag)); + } + + ue(sps_log2_min_luma_coding_block_size_minus2, + 0, FFMIN(4, current->sps_log2_ctu_size_minus5 + 3)); + min_cb_log2_size_y = + current->sps_log2_min_luma_coding_block_size_minus2 + 2; + + flag(sps_partition_constraints_override_enabled_flag); + + ue(sps_log2_diff_min_qt_min_cb_intra_slice_luma, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + min_qt_log2_size_intra_y = + current->sps_log2_diff_min_qt_min_cb_intra_slice_luma + + min_cb_log2_size_y; + + ue(sps_max_mtt_hierarchy_depth_intra_slice_luma, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + + if (current->sps_max_mtt_hierarchy_depth_intra_slice_luma != 0) { + ue(sps_log2_diff_max_bt_min_qt_intra_slice_luma, + 0, ctb_log2_size_y - min_qt_log2_size_intra_y); + ue(sps_log2_diff_max_tt_min_qt_intra_slice_luma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_y); + } else { + infer(sps_log2_diff_max_bt_min_qt_intra_slice_luma, 0); + infer(sps_log2_diff_max_tt_min_qt_intra_slice_luma, 0); + } + + if (current->sps_chroma_format_idc != 0) { + flag(sps_qtbtt_dual_tree_intra_flag); + } else { + infer(sps_qtbtt_dual_tree_intra_flag, 0); + } + + if (current->sps_qtbtt_dual_tree_intra_flag) { + ue(sps_log2_diff_min_qt_min_cb_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + ue(sps_max_mtt_hierarchy_depth_intra_slice_chroma, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + if (current->sps_max_mtt_hierarchy_depth_intra_slice_chroma != 0) { + unsigned int min_qt_log2_size_intra_c = + current->sps_log2_diff_min_qt_min_cb_intra_slice_chroma + + min_cb_log2_size_y; + ue(sps_log2_diff_max_bt_min_qt_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_c); + ue(sps_log2_diff_max_tt_min_qt_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_c); + } + } else { + infer(sps_log2_diff_min_qt_min_cb_intra_slice_chroma, 0); + infer(sps_max_mtt_hierarchy_depth_intra_slice_chroma, 0); + } + if (current->sps_max_mtt_hierarchy_depth_intra_slice_chroma == 0) { + infer(sps_log2_diff_max_bt_min_qt_intra_slice_chroma, 0); + infer(sps_log2_diff_max_tt_min_qt_intra_slice_chroma, 0); + } + + ue(sps_log2_diff_min_qt_min_cb_inter_slice, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + min_qt_log2_size_inter_y = + current->sps_log2_diff_min_qt_min_cb_inter_slice + min_cb_log2_size_y; + + ue(sps_max_mtt_hierarchy_depth_inter_slice, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + if (current->sps_max_mtt_hierarchy_depth_inter_slice != 0) { + ue(sps_log2_diff_max_bt_min_qt_inter_slice, + 0, ctb_log2_size_y - min_qt_log2_size_inter_y); + ue(sps_log2_diff_max_tt_min_qt_inter_slice, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_inter_y); + } else { + infer(sps_log2_diff_max_bt_min_qt_inter_slice, 0); + infer(sps_log2_diff_max_tt_min_qt_inter_slice, 0); + } + + if (ctb_size_y > 32) + flag(sps_max_luma_transform_size_64_flag); + else + infer(sps_max_luma_transform_size_64_flag, 0); + + flag(sps_transform_skip_enabled_flag); + if (current->sps_transform_skip_enabled_flag) { + ue(sps_log2_transform_skip_max_size_minus2, 0, 3); + flag(sps_bdpcm_enabled_flag); + } + + flag(sps_mts_enabled_flag); + if (current->sps_mts_enabled_flag) { + flag(sps_explicit_mts_intra_enabled_flag); + flag(sps_explicit_mts_inter_enabled_flag); + } else { + infer(sps_explicit_mts_intra_enabled_flag, 0); + infer(sps_explicit_mts_inter_enabled_flag, 0); + } + + flag(sps_lfnst_enabled_flag); + + if (current->sps_chroma_format_idc != 0) { + uint8_t num_qp_tables; + flag(sps_joint_cbcr_enabled_flag); + flag(sps_same_qp_table_for_chroma_flag); + num_qp_tables = current->sps_same_qp_table_for_chroma_flag ? + 1 : (current->sps_joint_cbcr_enabled_flag ? 3 : 2); + for (i = 0; i < num_qp_tables; i++) { + ses(sps_qp_table_start_minus26[i], + -26 - qp_bd_offset, 36, 1, i); + ues(sps_num_points_in_qp_table_minus1[i], + 0, 36 - current->sps_qp_table_start_minus26[i], 1, i); + for (j = 0; j <= current->sps_num_points_in_qp_table_minus1[i]; j++) { + uint8_t max = MAX_UINT_BITS(8); + ues(sps_delta_qp_in_val_minus1[i][j], 0, max, 2, i, j); + ues(sps_delta_qp_diff_val[i][j], 0, max, 2, i, j); + } + } + } else { + infer(sps_joint_cbcr_enabled_flag, 0); + infer(sps_same_qp_table_for_chroma_flag, 0); + } + + flag(sps_sao_enabled_flag); + flag(sps_alf_enabled_flag); + if (current->sps_alf_enabled_flag && current->sps_chroma_format_idc) + flag(sps_ccalf_enabled_flag); + else + infer(sps_ccalf_enabled_flag, 0); + flag(sps_lmcs_enabled_flag); + flag(sps_weighted_pred_flag); + flag(sps_weighted_bipred_flag); + flag(sps_long_term_ref_pics_flag); + if (current->sps_video_parameter_set_id > 0) + flag(sps_inter_layer_prediction_enabled_flag); + else + infer(sps_inter_layer_prediction_enabled_flag, 0); + flag(sps_idr_rpl_present_flag); + flag(sps_rpl1_same_as_rpl0_flag); + + for (i = 0; i < (current->sps_rpl1_same_as_rpl0_flag ? 1 : 2); i++) { + ues(sps_num_ref_pic_lists[i], 0, VVC_MAX_REF_PIC_LISTS, 1, i); + for (j = 0; j < current->sps_num_ref_pic_lists[i]; j++) + CHECK(FUNC(ref_pic_list_struct)(ctx, rw, + ¤t->sps_ref_pic_list_struct[i][j], + i, j, current)); + } + + if (current->sps_rpl1_same_as_rpl0_flag) { + current->sps_num_ref_pic_lists[1] = current->sps_num_ref_pic_lists[0]; + for (j = 0; j < current->sps_num_ref_pic_lists[0]; j++) + memcpy(¤t->sps_ref_pic_list_struct[1][j], + ¤t->sps_ref_pic_list_struct[0][j], + sizeof(current->sps_ref_pic_list_struct[0][j])); + } + + flag(sps_ref_wraparound_enabled_flag); + + flag(sps_temporal_mvp_enabled_flag); + if (current->sps_temporal_mvp_enabled_flag) + flag(sps_sbtmvp_enabled_flag); + else + infer(sps_sbtmvp_enabled_flag, 0); + + flag(sps_amvr_enabled_flag); + flag(sps_bdof_enabled_flag); + if (current->sps_bdof_enabled_flag) + flag(sps_bdof_control_present_in_ph_flag); + else + infer(sps_bdof_control_present_in_ph_flag, 0); + + flag(sps_smvd_enabled_flag); + flag(sps_dmvr_enabled_flag); + if (current->sps_dmvr_enabled_flag) + flag(sps_dmvr_control_present_in_ph_flag); + else + infer(sps_dmvr_control_present_in_ph_flag, 0); + + flag(sps_mmvd_enabled_flag); + if (current->sps_mmvd_enabled_flag) + flag(sps_mmvd_fullpel_only_enabled_flag); + else + infer(sps_mmvd_fullpel_only_enabled_flag, 0); + + ue(sps_six_minus_max_num_merge_cand, 0, 5); + max_num_merge_cand = 6 - current->sps_six_minus_max_num_merge_cand; + + flag(sps_sbt_enabled_flag); + + flag(sps_affine_enabled_flag); + if (current->sps_affine_enabled_flag) { + ue(sps_five_minus_max_num_subblock_merge_cand, + 0, 5 - current->sps_sbtmvp_enabled_flag); + flag(sps_6param_affine_enabled_flag); + if (current->sps_amvr_enabled_flag) + flag(sps_affine_amvr_enabled_flag); + else + infer(sps_affine_amvr_enabled_flag, 0); + flag(sps_affine_prof_enabled_flag); + if (current->sps_affine_prof_enabled_flag) + flag(sps_prof_control_present_in_ph_flag); + else + infer(sps_prof_control_present_in_ph_flag, 0); + } else { + infer(sps_6param_affine_enabled_flag, 0); + infer(sps_affine_amvr_enabled_flag, 0); + infer(sps_affine_prof_enabled_flag, 0); + infer(sps_prof_control_present_in_ph_flag, 0); + } + + flag(sps_bcw_enabled_flag); + flag(sps_ciip_enabled_flag); + + if (max_num_merge_cand >= 2) { + flag(sps_gpm_enabled_flag); + if (current->sps_gpm_enabled_flag && max_num_merge_cand >= 3) + ue(sps_max_num_merge_cand_minus_max_num_gpm_cand, + 0, max_num_merge_cand - 2); + } else { + infer(sps_gpm_enabled_flag, 0); + } + + ue(sps_log2_parallel_merge_level_minus2, 0, ctb_log2_size_y - 2); + + flag(sps_isp_enabled_flag); + flag(sps_mrl_enabled_flag); + flag(sps_mip_enabled_flag); + + if (current->sps_chroma_format_idc != 0) + flag(sps_cclm_enabled_flag); + else + infer(sps_cclm_enabled_flag, 0); + if (current->sps_chroma_format_idc == 1) { + flag(sps_chroma_horizontal_collocated_flag); + flag(sps_chroma_vertical_collocated_flag); + } else { + infer(sps_chroma_horizontal_collocated_flag, 1); + infer(sps_chroma_vertical_collocated_flag, 1); + } + + flag(sps_palette_enabled_flag); + if (current->sps_chroma_format_idc == 3 && + !current->sps_max_luma_transform_size_64_flag) + flag(sps_act_enabled_flag); + else + infer(sps_act_enabled_flag, 0); + if (current->sps_transform_skip_enabled_flag || + current->sps_palette_enabled_flag) + ue(sps_min_qp_prime_ts, 0, 8); + + flag(sps_ibc_enabled_flag); + if (current->sps_ibc_enabled_flag) + ue(sps_six_minus_max_num_ibc_merge_cand, 0, 5); + + flag(sps_ladf_enabled_flag); + if (current->sps_ladf_enabled_flag) { + ub(2, sps_num_ladf_intervals_minus2); + se(sps_ladf_lowest_interval_qp_offset, -63, 63); + for (i = 0; i < current->sps_num_ladf_intervals_minus2 + 1; i++) { + ses(sps_ladf_qp_offset[i], -63, 63, 1, i); + ues(sps_ladf_delta_threshold_minus1[i], + 0, (2 << (8 + current->sps_bitdepth_minus8)) - 3, 1, i); + } + } + + flag(sps_explicit_scaling_list_enabled_flag); + if (current->sps_lfnst_enabled_flag && + current->sps_explicit_scaling_list_enabled_flag) + flag(sps_scaling_matrix_for_lfnst_disabled_flag); + + if (current->sps_act_enabled_flag && + current->sps_explicit_scaling_list_enabled_flag) + flag(sps_scaling_matrix_for_alternative_colour_space_disabled_flag); + else + infer(sps_scaling_matrix_for_alternative_colour_space_disabled_flag, 0); + if (current->sps_scaling_matrix_for_alternative_colour_space_disabled_flag) + flag(sps_scaling_matrix_designated_colour_space_flag); + + flag(sps_dep_quant_enabled_flag); + flag(sps_sign_data_hiding_enabled_flag); + + flag(sps_virtual_boundaries_enabled_flag); + if (current->sps_virtual_boundaries_enabled_flag) { + flag(sps_virtual_boundaries_present_flag); + if (current->sps_virtual_boundaries_present_flag) { + ue(sps_num_ver_virtual_boundaries, + 0, current->sps_pic_width_max_in_luma_samples <= 8 ? 0 : 3); + for (i = 0; i < current->sps_num_ver_virtual_boundaries; i++) + ues(sps_virtual_boundary_pos_x_minus1[i], + 0, (current->sps_pic_width_max_in_luma_samples + 7) / 8 - 2, + 1, i); + ue(sps_num_hor_virtual_boundaries, + 0, current->sps_pic_height_max_in_luma_samples <= 8 ? 0 : 3); + for (i = 0; i < current->sps_num_hor_virtual_boundaries; i++) + ues(sps_virtual_boundary_pos_y_minus1[i], + 0, (current->sps_pic_height_max_in_luma_samples + 7) / 8 - 2, + 1, i); + } + } else { + infer(sps_virtual_boundaries_present_flag, 0); + infer(sps_num_ver_virtual_boundaries, 0); + infer(sps_num_hor_virtual_boundaries, 0); + } + + if (current->sps_ptl_dpb_hrd_params_present_flag) { + flag(sps_timing_hrd_params_present_flag); + if (current->sps_timing_hrd_params_present_flag) { + uint8_t first_sublayer; + CHECK(FUNC(general_timing_hrd_parameters)(ctx, rw, + ¤t->sps_general_timing_hrd_parameters)); + if (current->sps_max_sublayers_minus1 > 0) + flag(sps_sublayer_cpb_params_present_flag); + else + infer(sps_sublayer_cpb_params_present_flag, 0); + first_sublayer = current->sps_sublayer_cpb_params_present_flag ? + 0 : current->sps_max_sublayers_minus1; + CHECK(FUNC(ols_timing_hrd_parameters)(ctx, rw, + ¤t->sps_ols_timing_hrd_parameters, first_sublayer, + current->sps_max_sublayers_minus1, + ¤t->sps_general_timing_hrd_parameters)); + } + } + + flag(sps_field_seq_flag); + flag(sps_vui_parameters_present_flag); + if (current->sps_vui_parameters_present_flag) { + ue(sps_vui_payload_size_minus1, 0, 1023); + while (byte_alignment(rw) != 0) + fixed(1, sps_vui_alignment_zero_bit, 0); + CHECK(FUNC(vui_payload)(ctx, rw, ¤t->vui, + current->sps_vui_payload_size_minus1 + 1, + current->sps_chroma_format_idc)); + } else { + CHECK(FUNC(vui_parameters_default)(ctx, rw, ¤t->vui)); + } + flag(sps_extension_flag); + if (current->sps_extension_flag) + CHECK(FUNC(extension_data)(ctx, rw, ¤t->extension_data)); + + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + + return 0; +} + +static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawPPS *current) +{ + + CodedBitstreamH266Context *h266 = ctx->priv_data; + const H266RawSPS *sps; + int err, i; + unsigned int min_cb_size_y, divisor, ctb_size_y, + pic_width_in_ctbs_y, pic_height_in_ctbs_y; + uint8_t sub_width_c, sub_height_c, qp_bd_offset; + + static const uint8_t h266_sub_width_c[] = { + 1, 2, 2, 1 + }; + static const uint8_t h266_sub_height_c[] = { + 1, 2, 1, 1 + }; + + HEADER("Picture Parameter Set"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, + ¤t->nal_unit_header, VVC_PPS_NUT)); + + ub(6, pps_pic_parameter_set_id); + ub(4, pps_seq_parameter_set_id); + sps = h266->sps[current->pps_seq_parameter_set_id]; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n", + current->pps_seq_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + flag(pps_mixed_nalu_types_in_pic_flag); + ue(pps_pic_width_in_luma_samples, + 1, sps->sps_pic_width_max_in_luma_samples); + ue(pps_pic_height_in_luma_samples, + 1, sps->sps_pic_height_max_in_luma_samples); + + min_cb_size_y = 1 << (sps->sps_log2_min_luma_coding_block_size_minus2 + 2); + divisor = FFMAX(min_cb_size_y, 8); + if (current->pps_pic_width_in_luma_samples % divisor || + current->pps_pic_height_in_luma_samples % divisor) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid dimensions: %ux%u not divisible " + "by %u, MinCbSizeY = %u.\n", current->pps_pic_width_in_luma_samples, + current->pps_pic_height_in_luma_samples, divisor, min_cb_size_y); + return AVERROR_INVALIDDATA; + } + if (!sps->sps_res_change_in_clvs_allowed_flag && + (current->pps_pic_width_in_luma_samples != + sps->sps_pic_width_max_in_luma_samples || + current->pps_pic_height_in_luma_samples != + sps->sps_pic_height_max_in_luma_samples)) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Resoltuion change is not allowed, " + "in max resolution (%ux%u) mismatched with pps(%ux%u).\n", + sps->sps_pic_width_max_in_luma_samples, + sps->sps_pic_height_max_in_luma_samples, + current->pps_pic_width_in_luma_samples, + current->pps_pic_height_in_luma_samples); + return AVERROR_INVALIDDATA; + } + + ctb_size_y = 1 << (sps->sps_log2_ctu_size_minus5 + 5); + if (sps->sps_ref_wraparound_enabled_flag) { + if ((ctb_size_y / min_cb_size_y + 1) > + (current->pps_pic_width_in_luma_samples / min_cb_size_y - 1)) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid width(%u), ctb_size_y = %u, min_cb_size_y = %u.\n", + current->pps_pic_width_in_luma_samples, + ctb_size_y, min_cb_size_y); + return AVERROR_INVALIDDATA; + } + } + + flag(pps_conformance_window_flag); + if (current->pps_pic_width_in_luma_samples == + sps->sps_pic_width_max_in_luma_samples && + current->pps_pic_height_in_luma_samples == + sps->sps_pic_height_max_in_luma_samples && + current->pps_conformance_window_flag) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Conformance window flag should not true.\n"); + return AVERROR_INVALIDDATA; + } + + sub_width_c = h266_sub_width_c[sps->sps_chroma_format_idc]; + sub_height_c = h266_sub_height_c[sps->sps_chroma_format_idc]; + if (current->pps_conformance_window_flag) { + ue(pps_conf_win_left_offset, + 0, current->pps_pic_width_in_luma_samples); + ue(pps_conf_win_right_offset, + 0, current->pps_pic_width_in_luma_samples); + ue(pps_conf_win_top_offset, + 0, current->pps_pic_height_in_luma_samples); + ue(pps_conf_win_bottom_offset, + 0, current->pps_pic_height_in_luma_samples); + if (sub_width_c * + (current->pps_conf_win_left_offset + + current->pps_conf_win_right_offset) >= + current->pps_pic_width_in_luma_samples || + sub_height_c * + (current->pps_conf_win_top_offset + + current->pps_conf_win_bottom_offset) >= + current->pps_pic_height_in_luma_samples) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid pps conformance window: (%u, %u, %u, %u), " + "resolution is %ux%u, sub wxh is %ux%u.\n", + current->pps_conf_win_left_offset, + current->pps_conf_win_right_offset, + current->pps_conf_win_top_offset, + current->pps_conf_win_bottom_offset, + current->pps_pic_width_in_luma_samples, + current->pps_pic_height_in_luma_samples, + sub_width_c, sub_height_c); + return AVERROR_INVALIDDATA; + } + } else { + if (current->pps_pic_width_in_luma_samples == + sps->sps_pic_width_max_in_luma_samples && + current->pps_pic_height_in_luma_samples == + sps->sps_pic_height_max_in_luma_samples) { + infer(pps_conf_win_left_offset, sps->sps_conf_win_left_offset); + infer(pps_conf_win_right_offset, sps->sps_conf_win_right_offset); + infer(pps_conf_win_top_offset, sps->sps_conf_win_top_offset); + infer(pps_conf_win_bottom_offset, sps->sps_conf_win_bottom_offset); + } else { + infer(pps_conf_win_left_offset, 0); + infer(pps_conf_win_right_offset, 0); + infer(pps_conf_win_top_offset, 0); + infer(pps_conf_win_bottom_offset, 0); + } + + } + + flag(pps_scaling_window_explicit_signalling_flag); + if (!sps->sps_ref_pic_resampling_enabled_flag && + current->pps_scaling_window_explicit_signalling_flag) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid data: sps_ref_pic_resampling_enabled_flag is false, " + "but pps_scaling_window_explicit_signalling_flag is true.\n"); + return AVERROR_INVALIDDATA; + } + if (current->pps_scaling_window_explicit_signalling_flag) { + se(pps_scaling_win_left_offset, + -current->pps_pic_width_in_luma_samples * 15 / sub_width_c, + current->pps_pic_width_in_luma_samples / sub_width_c); + se(pps_scaling_win_right_offset, + -current->pps_pic_width_in_luma_samples * 15 / sub_width_c, + current->pps_pic_width_in_luma_samples / sub_width_c); + se(pps_scaling_win_top_offset, + -current->pps_pic_height_in_luma_samples * 15 / sub_height_c, + current->pps_pic_height_in_luma_samples / sub_height_c); + se(pps_scaling_win_bottom_offset, + -current->pps_pic_height_in_luma_samples * 15 / sub_height_c, + current->pps_pic_height_in_luma_samples / sub_height_c); + } else { + infer(pps_scaling_win_left_offset, current->pps_conf_win_left_offset); + infer(pps_scaling_win_right_offset, current->pps_conf_win_right_offset); + infer(pps_scaling_win_top_offset, current->pps_conf_win_top_offset); + infer(pps_scaling_win_bottom_offset, current->pps_conf_win_bottom_offset); + } + + flag(pps_output_flag_present_flag); + flag(pps_no_pic_partition_flag); + flag(pps_subpic_id_mapping_present_flag); + + if (current->pps_subpic_id_mapping_present_flag) { + if (!current->pps_no_pic_partition_flag) { + ue(pps_num_subpics_minus1, + sps->sps_num_subpics_minus1, sps->sps_num_subpics_minus1); + } else { + infer(pps_num_subpics_minus1, 0); + } + ue(pps_subpic_id_len_minus1, sps->sps_subpic_id_len_minus1, sps->sps_subpic_id_len_minus1); + for (i = 0; i <= current->pps_num_subpics_minus1; i++) { + ubs(sps->sps_subpic_id_len_minus1 + 1, pps_subpic_id[i], 1, i); + } + } + + pic_width_in_ctbs_y = + h266_ceil(current->pps_pic_width_in_luma_samples, ctb_size_y); + pic_height_in_ctbs_y = + h266_ceil(current->pps_pic_height_in_luma_samples, ctb_size_y); + if (!current->pps_no_pic_partition_flag) { + unsigned int exp_tile_width = 0, exp_tile_height = 0; + unsigned int unified_size, remaining_size; + + u(2, pps_log2_ctu_size_minus5, + sps->sps_log2_ctu_size_minus5, sps->sps_log2_ctu_size_minus5); + ue(pps_num_exp_tile_columns_minus1, + 0, FFMIN(pic_width_in_ctbs_y - 1, VVC_MAX_TILE_COLUMNS - 1)); + ue(pps_num_exp_tile_rows_minus1, + 0, FFMIN(pic_height_in_ctbs_y - 1, VVC_MAX_TILE_ROWS - 1)); + + for (i = 0; i <= current->pps_num_exp_tile_columns_minus1; i++) { + ues(pps_tile_column_width_minus1[i], + 0, pic_width_in_ctbs_y - exp_tile_width - 1, 1, i); + exp_tile_width += current->pps_tile_column_width_minus1[i] + 1; + } + remaining_size = pic_width_in_ctbs_y - exp_tile_width; + unified_size = (i == 0 ? pic_width_in_ctbs_y : + (current->pps_tile_column_width_minus1[i - 1] + 1)); + current->num_tile_columns = i + h266_ceil(remaining_size, unified_size); + if (current->num_tile_columns > VVC_MAX_TILE_COLUMNS) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "NumTileColumns(%d) large than %d.\n", + current->num_tile_columns, VVC_MAX_TILE_COLUMNS); + return AVERROR_INVALIDDATA; + } + while (remaining_size > unified_size) { + current->pps_tile_column_width_minus1[i] = unified_size - 1; + remaining_size -= unified_size; + i++; + } + if (remaining_size > 0) { + current->pps_tile_column_width_minus1[i] = remaining_size - 1; + } + + for (i = 0; i <= current->pps_num_exp_tile_rows_minus1; i++) { + ues(pps_tile_row_height_minus1[i], + 0, pic_height_in_ctbs_y - 1, 1, i); + exp_tile_height += current->pps_tile_row_height_minus1[i] + 1; + } + remaining_size = pic_height_in_ctbs_y - exp_tile_height; + unified_size = (i == 0 ? pic_height_in_ctbs_y : + (current->pps_tile_row_height_minus1[i - 1] + 1)); + current->num_tile_rows = i + h266_ceil(remaining_size, unified_size); + if (current->num_tile_rows > VVC_MAX_TILE_ROWS) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "NumTileRows(%d) large than %d, consider increase VVC_MAX_TILE_ROWS.\n", + current->num_tile_rows, VVC_MAX_TILE_ROWS); + return AVERROR_INVALIDDATA; + } + while (remaining_size > unified_size) { + current->pps_tile_row_height_minus1[i] = unified_size - 1; + remaining_size -= unified_size; + i++; + } + if (remaining_size > 0) { + current->pps_tile_row_height_minus1[i] = remaining_size - 1; + } + + current->num_tiles_in_pic = + current->num_tile_columns * current->num_tile_rows; + if (current->num_tiles_in_pic > VVC_MAX_TILES_PER_AU) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "NumTilesInPic(%d) large than %d.\n", + current->num_tiles_in_pic, VVC_MAX_TILES_PER_AU); + return AVERROR_INVALIDDATA; + } + + if (current->num_tiles_in_pic > 1) { + flag(pps_loop_filter_across_tiles_enabled_flag); + flag(pps_rect_slice_flag); + } else { + infer(pps_loop_filter_across_tiles_enabled_flag, 0); + infer(pps_rect_slice_flag, 1); + } + if (current->pps_rect_slice_flag) + flag(pps_single_slice_per_subpic_flag); + else + infer(pps_single_slice_per_subpic_flag, 1); + if (current->pps_rect_slice_flag && + !current->pps_single_slice_per_subpic_flag) { + int j; + uint16_t tile_idx = 0, tile_x, tile_y, ctu_x, ctu_y; + uint16_t slice_top_left_ctu_x[VVC_MAX_SLICES]; + uint16_t slice_top_left_ctu_y[VVC_MAX_SLICES]; + ue(pps_num_slices_in_pic_minus1, 0, VVC_MAX_SLICES - 1); + if (current->pps_num_slices_in_pic_minus1 > 1) + flag(pps_tile_idx_delta_present_flag); + else + infer(pps_tile_idx_delta_present_flag, 0); + for (i = 0; i < current->pps_num_slices_in_pic_minus1; i++) { + tile_x = tile_idx % current->num_tile_columns; + tile_y = tile_idx / current->num_tile_columns; + if (tile_x != current->num_tile_columns - 1) { + ues(pps_slice_width_in_tiles_minus1[i], + 0, current->num_tile_columns - 1, 1, i); + } else { + infer(pps_slice_width_in_tiles_minus1[i], 0); + } + if (tile_y != current->num_tile_rows - 1 && + (current->pps_tile_idx_delta_present_flag || tile_x == 0)) { + ues(pps_slice_height_in_tiles_minus1[i], + 0, current->num_tile_rows - 1, 1, i); + } else { + if (tile_y == current->num_tile_rows - 1) + infer(pps_slice_height_in_tiles_minus1[i], 0); + else + infer(pps_slice_height_in_tiles_minus1[i], + current->pps_slice_height_in_tiles_minus1[i-1]); + } + + ctu_x = ctu_y = 0; + for (j = 0; j < tile_x; j++) { + ctu_x += current->pps_tile_column_width_minus1[j] + 1; + } + for (j = 0; j < tile_y; j++) { + ctu_y += current->pps_tile_row_height_minus1[j] + 1; + } + if (current->pps_slice_width_in_tiles_minus1[i] == 0 && + current->pps_slice_height_in_tiles_minus1[i] == 0 && + current->pps_tile_row_height_minus1[tile_y] > 0) { + int num_slices_in_tile, + uniform_slice_height, remaining_height_in_ctbs_y; + remaining_height_in_ctbs_y = + current->pps_tile_row_height_minus1[tile_y] + 1; + ues(pps_num_exp_slices_in_tile[i], + 0, current->pps_tile_row_height_minus1[tile_y], 1, i); + if (current->pps_num_exp_slices_in_tile[i] == 0) { + num_slices_in_tile = 1; + slice_top_left_ctu_x[i] = ctu_x; + slice_top_left_ctu_y[i] = ctu_y; + } else { + uint16_t slice_height_in_ctus; + for (j = 0; j < current->pps_num_exp_slices_in_tile[i]; j++) { + ues(pps_exp_slice_height_in_ctus_minus1[i][j], + 0, current->pps_tile_row_height_minus1[tile_y], 2, i, j); + slice_height_in_ctus = + current->pps_exp_slice_height_in_ctus_minus1[i][j] + 1; + + current->slice_height_in_ctus[i + j] = slice_height_in_ctus; + slice_top_left_ctu_x[i + j] = ctu_x; + slice_top_left_ctu_y[i + j] = ctu_y; + ctu_y += slice_height_in_ctus; + + remaining_height_in_ctbs_y -= slice_height_in_ctus; + } + uniform_slice_height = 1 + + (j == 0 ? current->pps_tile_row_height_minus1[tile_y] : + current->pps_exp_slice_height_in_ctus_minus1[i][j-1]); + while (remaining_height_in_ctbs_y > uniform_slice_height) { + current->slice_height_in_ctus[i + j] = uniform_slice_height; + slice_top_left_ctu_x[i + j] = ctu_x; + slice_top_left_ctu_y[i + j] = ctu_y; + ctu_y += uniform_slice_height; + + remaining_height_in_ctbs_y -= uniform_slice_height; + j++; + } + if (remaining_height_in_ctbs_y > 0) { + current->slice_height_in_ctus[i + j] = remaining_height_in_ctbs_y; + slice_top_left_ctu_x[i + j] = ctu_x; + slice_top_left_ctu_y[i + j] = ctu_y; + j++; + } + num_slices_in_tile = j; + } + i += num_slices_in_tile - 1; + } else { + uint16_t height= 0; + infer(pps_num_exp_slices_in_tile[i], 0); + for (j = 0; j <= current->pps_slice_height_in_tiles_minus1[i]; j++) { + height += current->pps_tile_row_height_minus1[tile_y + j] + 1; + } + current->slice_height_in_ctus[i] = height; + + slice_top_left_ctu_x[i] = ctu_x; + slice_top_left_ctu_y[i] = ctu_y; + } + if (i < current->pps_num_slices_in_pic_minus1) { + if (current->pps_tile_idx_delta_present_flag) { + ses(pps_tile_idx_delta_val[i], + -current->num_tiles_in_pic + 1, current->num_tiles_in_pic - 1, + 1, i); + if (current->pps_tile_idx_delta_val[i] == 0) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "pps_tile_idx_delta_val[i] shall not be equal to 0.\n"); + } + tile_idx += current->pps_tile_idx_delta_val[i]; + } else { + infer(pps_tile_idx_delta_val[i], 0); + tile_idx += current->pps_slice_width_in_tiles_minus1[i] + 1; + if (tile_idx % current->num_tile_columns == 0) { + tile_idx += current->pps_slice_height_in_tiles_minus1[i] * + current->num_tile_columns; + } + } + } + } + if (i == current->pps_num_slices_in_pic_minus1) { + uint16_t height= 0; + + tile_x = tile_idx % current->num_tile_columns; + tile_y = tile_idx / current->num_tile_columns; + + ctu_x = 0, ctu_y = 0; + for (j = 0; j < tile_x; j++) { + ctu_x += current->pps_tile_column_width_minus1[j] + 1; + } + for (j = 0; j < tile_y; j++) { + ctu_y += current->pps_tile_row_height_minus1[j] + 1; + } + slice_top_left_ctu_x[i] = ctu_x; + slice_top_left_ctu_y[i] = ctu_y; + + current->pps_slice_width_in_tiles_minus1[i] = + current->num_tile_columns - tile_x - 1; + current->pps_slice_height_in_tiles_minus1[i] = + current->num_tile_rows - tile_y - 1; + + for (j = 0; j <= current->pps_slice_height_in_tiles_minus1[i]; j++) { + height += current->pps_tile_row_height_minus1[tile_y + j] + 1; + } + current->slice_height_in_ctus[i] = height; + + infer(pps_num_exp_slices_in_tile[i], 0); + } + + //now, we got all slice information, let's resolve NumSlicesInSubpic + for (i = 0; i <= sps->sps_num_subpics_minus1; i++) { + current->num_slices_in_subpic[i] = 0; + for (j = 0; j <= current->pps_num_slices_in_pic_minus1; j++) { + uint16_t pos_x = 0, pos_y = 0; + pos_x = slice_top_left_ctu_x[j]; + pos_y = slice_top_left_ctu_y[j]; + if ((pos_x >= sps->sps_subpic_ctu_top_left_x[i]) && + (pos_x < sps->sps_subpic_ctu_top_left_x[i] + sps->sps_subpic_width_minus1[i] + 1) && + (pos_y >= sps->sps_subpic_ctu_top_left_y[i]) && + (pos_y < sps->sps_subpic_ctu_top_left_y[i] + sps->sps_subpic_height_minus1[i] + 1)) { + current->num_slices_in_subpic[i]++; + } + } + } + } else { + if (current->pps_no_pic_partition_flag) + infer(pps_num_slices_in_pic_minus1, 0); + else if (current->pps_single_slice_per_subpic_flag) + infer(pps_num_slices_in_pic_minus1, sps->sps_num_subpics_minus1); + // else? + } + if (!current->pps_rect_slice_flag || + current->pps_single_slice_per_subpic_flag || + current->pps_num_slices_in_pic_minus1 > 0) + flag(pps_loop_filter_across_slices_enabled_flag); + else + infer(pps_loop_filter_across_slices_enabled_flag, 0); + } else { + infer(pps_num_exp_tile_columns_minus1, 0); + infer(pps_tile_column_width_minus1[0], pic_width_in_ctbs_y - 1); + infer(pps_num_exp_tile_rows_minus1, 0); + infer(pps_tile_row_height_minus1[0], pic_height_in_ctbs_y - 1); + infer(num_tile_columns, 1); + infer(num_tile_rows, 1); + infer(num_tiles_in_pic, 1); + } + + flag(pps_cabac_init_present_flag); + for (i = 0; i < 2; i++) + ues(pps_num_ref_idx_default_active_minus1[i], 0, 14, 1, i); + flag(pps_rpl1_idx_present_flag); + flag(pps_weighted_pred_flag); + flag(pps_weighted_bipred_flag); + flag(pps_ref_wraparound_enabled_flag); + if (current->pps_ref_wraparound_enabled_flag) { + ue(pps_pic_width_minus_wraparound_offset, + 0, (current->pps_pic_width_in_luma_samples / min_cb_size_y) + - (ctb_size_y / min_cb_size_y) - 2); + } + + qp_bd_offset = 6 * sps->sps_bitdepth_minus8; + se(pps_init_qp_minus26, -(26 + qp_bd_offset), 37); + flag(pps_cu_qp_delta_enabled_flag); + flag(pps_chroma_tool_offsets_present_flag); + if (current->pps_chroma_tool_offsets_present_flag) { + se(pps_cb_qp_offset, -12, 12); + se(pps_cr_qp_offset, -12, 12); + flag(pps_joint_cbcr_qp_offset_present_flag); + if (current->pps_joint_cbcr_qp_offset_present_flag) + se(pps_joint_cbcr_qp_offset_value, -12, 12); + else + infer(pps_joint_cbcr_qp_offset_value, 0); + flag(pps_slice_chroma_qp_offsets_present_flag); + flag(pps_cu_chroma_qp_offset_list_enabled_flag); + if (current->pps_cu_chroma_qp_offset_list_enabled_flag) { + ue(pps_chroma_qp_offset_list_len_minus1, 0, 5); + for (i = 0; i <= current->pps_chroma_qp_offset_list_len_minus1; i++) { + ses(pps_cb_qp_offset_list[i], -12, 12, 1, i); + ses(pps_cr_qp_offset_list[i], -12, 12, 1, i); + if (current->pps_joint_cbcr_qp_offset_present_flag) + ses(pps_joint_cbcr_qp_offset_list[i], -12, 12, 1, i); + else + infer(pps_joint_cbcr_qp_offset_list[i], 0); + } + } + } else { + infer(pps_cb_qp_offset, 0); + infer(pps_cr_qp_offset, 0); + infer(pps_joint_cbcr_qp_offset_present_flag, 0); + infer(pps_joint_cbcr_qp_offset_value, 0); + infer(pps_slice_chroma_qp_offsets_present_flag, 0); + infer(pps_cu_chroma_qp_offset_list_enabled_flag, 0); + } + flag(pps_deblocking_filter_control_present_flag); + if (current->pps_deblocking_filter_control_present_flag) { + flag(pps_deblocking_filter_override_enabled_flag); + flag(pps_deblocking_filter_disabled_flag); + if (!current->pps_no_pic_partition_flag && + current->pps_deblocking_filter_override_enabled_flag) + flag(pps_dbf_info_in_ph_flag); + else + infer(pps_dbf_info_in_ph_flag, 0); + if (!current->pps_deblocking_filter_disabled_flag) { + se(pps_luma_beta_offset_div2, -12, 12); + se(pps_luma_tc_offset_div2, -12, 12); + } else { + infer(pps_luma_beta_offset_div2, 0); + infer(pps_luma_tc_offset_div2, 0); + } + if (current->pps_chroma_tool_offsets_present_flag) { + se(pps_cb_beta_offset_div2, -12, 12); + se(pps_cb_tc_offset_div2, -12, 12); + se(pps_cr_beta_offset_div2, -12, 12); + se(pps_cr_tc_offset_div2, -12, 12); + } else { + infer(pps_cb_beta_offset_div2, 0); + infer(pps_cb_tc_offset_div2, 0); + infer(pps_cr_beta_offset_div2, current->pps_luma_beta_offset_div2); + infer(pps_cr_tc_offset_div2, current->pps_luma_tc_offset_div2); + } + } else { + infer(pps_deblocking_filter_override_enabled_flag, 0); + infer(pps_deblocking_filter_disabled_flag, 0); + infer(pps_dbf_info_in_ph_flag, 0); + infer(pps_luma_beta_offset_div2, 0); + infer(pps_luma_tc_offset_div2, 0); + infer(pps_cb_beta_offset_div2, 0); + infer(pps_cb_tc_offset_div2, 0); + infer(pps_cr_beta_offset_div2, 0); + infer(pps_cr_tc_offset_div2, 0); + } + + if (!current->pps_no_pic_partition_flag) { + flag(pps_rpl_info_in_ph_flag); + flag(pps_sao_info_in_ph_flag); + flag(pps_alf_info_in_ph_flag); + if ((current->pps_weighted_pred_flag || current->pps_weighted_bipred_flag) && + current->pps_rpl_info_in_ph_flag) + flag(pps_wp_info_in_ph_flag); + flag(pps_qp_delta_info_in_ph_flag); + } + flag(pps_picture_header_extension_present_flag); + flag(pps_slice_header_extension_present_flag); + + flag(pps_extension_flag); + if (current->pps_extension_flag) + CHECK(FUNC(extension_data)(ctx, rw, ¤t->extension_data)); + + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + return 0; +} + +static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawAUD *current) +{ + int err; + + HEADER("Access Unit Delimiter"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, + ¤t->nal_unit_header, VVC_AUD_NUT)); + + flag(aud_irap_or_gdr_flag); + u(3, aud_pic_type, 0, 2); + + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + return 0; +} + +static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw, + const H266RawSPS *sps, + const H266RawPPS *pps, + const H266RefPicLists *ref_lists, + uint8_t num_ref_idx_active[2], + H266RawPredWeightTable *current) +{ + int err, i, j; + uint8_t num_weights_l0, num_weights_l1; + ue(luma_log2_weight_denom, 0, 7); + if (sps->sps_chroma_format_idc != 0) { + se(delta_chroma_log2_weight_denom, + -current->luma_log2_weight_denom, 7 - current->luma_log2_weight_denom); + } else { + infer(delta_chroma_log2_weight_denom, 0); + } + if (pps->pps_wp_info_in_ph_flag) + ue(num_l0_weights, 0, FFMIN(15, ref_lists->rpl_ref_list[0].num_ref_entries)); + else + infer(num_l0_weights, 0); + num_weights_l0 = pps->pps_wp_info_in_ph_flag ? + current->num_l0_weights : num_ref_idx_active[0]; + for (i = 0; i < num_weights_l0; i++) { + flags(luma_weight_l0_flag[i], 1, i); + } + if (sps->sps_chroma_format_idc != 0) { + for (i = 0; i < num_weights_l0; i++) + flags(chroma_weight_l0_flag[i], 1, i); + } + for (i = 0; i < num_weights_l0; i++) { + if (current->luma_weight_l0_flag[i]){ + ses(delta_luma_weight_l0[i], -128, 127, 1, i); + ses(luma_offset_l0[i], -128, 127, 1, i); + } else { + infer(delta_luma_weight_l0[i], 0); + infer(luma_offset_l0[i], 0); + } + if (current->chroma_weight_l0_flag[i]) { + for (j = 0; j < 2; j++) { + ses(delta_chroma_weight_l0[i][j], -128, 127, 2, i, j); + ses(delta_chroma_offset_l0[i][j], -4 * 128, 4 * 127, 2, i, j); + } + } + } + + if (pps->pps_weighted_bipred_flag && pps->pps_wp_info_in_ph_flag && + ref_lists->rpl_ref_list[1].num_ref_entries > 0) { + ue(num_l1_weights, 0, FFMIN(15, ref_lists->rpl_ref_list[1].num_ref_entries)); + } + if (!pps->pps_weighted_bipred_flag || + (pps->pps_wp_info_in_ph_flag && + ref_lists->rpl_ref_list[1].num_ref_entries == 0)) { + num_weights_l1 = 0; + } else if (pps->pps_wp_info_in_ph_flag) { + num_weights_l1 = current->num_l1_weights; + } else { + num_weights_l1 = num_ref_idx_active[1]; + } + + for (i = 0; i < num_weights_l1; i++) + flags(luma_weight_l1_flag[i], 1, i); + if (sps->sps_chroma_format_idc != 0) { + for (i = 0; i < num_weights_l1; i++) + flags(chroma_weight_l1_flag[i], 1, i); + } + for (i = 0; i < num_weights_l1; i++) { + if (current->luma_weight_l1_flag[i]){ + ses(delta_luma_weight_l1[i], -128, 127, 1, i); + ses(luma_offset_l1[i], -128, 127, 1, i); + } else { + infer(delta_luma_weight_l1[i], 0); + infer(luma_offset_l1[i], 0); + } + if (current->chroma_weight_l1_flag[i]) { + for (j = 0; j < 2; j++) { + ses(delta_chroma_weight_l1[i][j], -128, 127, 2, i, j); + ses(delta_chroma_offset_l1[i][j], -4 * 128, 4 * 127, 2, i, j); + } + } + } + return 0; +} + +static int FUNC(picture_header)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawPH *current) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + const H266RawVPS *vps; + const H266RawSPS *sps; + const H266RawPPS *pps; + int err, i; + unsigned int ctb_log2_size_y, min_cb_log2_size_y, + min_qt_log2_size_intra_y, min_qt_log2_size_inter_y; + uint8_t qp_bd_offset; + + flag(ph_gdr_or_irap_pic_flag); + flag(ph_non_ref_pic_flag); + if (current->ph_gdr_or_irap_pic_flag) + flag(ph_gdr_pic_flag); + else + infer(ph_gdr_pic_flag, 0); + flag(ph_inter_slice_allowed_flag); + if (current->ph_inter_slice_allowed_flag) + flag(ph_intra_slice_allowed_flag); + else + infer(ph_intra_slice_allowed_flag, 1); + ue(ph_pic_parameter_set_id, 0, VVC_MAX_PPS_COUNT - 1); + pps = h266->pps[current->ph_pic_parameter_set_id]; + if (!pps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n", + current->ph_pic_parameter_set_id); + return AVERROR_INVALIDDATA; + } + sps = h266->sps[pps->pps_seq_parameter_set_id]; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n", + pps->pps_seq_parameter_set_id); + return AVERROR_INVALIDDATA; + } + vps = h266->vps[sps->sps_video_parameter_set_id]; + if (!vps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available.\n", + sps->sps_video_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + ub(sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4, ph_pic_order_cnt_lsb); + if (current->ph_gdr_pic_flag) + ue(ph_recovery_poc_cnt, 0, 1 << (sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4)); + + for (i = 0; i < sps->sps_num_extra_ph_bytes * 8; i++) { + if (sps->sps_extra_ph_bit_present_flag[i]) + flags(ph_extra_bit[i], 1, i); + } + if (sps->sps_poc_msb_cycle_flag) { + flag(ph_poc_msb_cycle_present_flag); + if (current->ph_poc_msb_cycle_present_flag) + ub(sps->sps_poc_msb_cycle_len_minus1 + 1, ph_poc_msb_cycle_val); + } + if (sps->sps_alf_enabled_flag && pps->pps_alf_info_in_ph_flag) { + flag(ph_alf_enabled_flag); + if (current->ph_alf_enabled_flag) { + + ub(3, ph_num_alf_aps_ids_luma); + for (i = 0; i < current->ph_num_alf_aps_ids_luma; i++) + ubs(3, ph_alf_aps_id_luma[i], 1, i); + + if (sps->sps_chroma_format_idc != 0) { + flag(ph_alf_cb_enabled_flag); + flag(ph_alf_cr_enabled_flag); + } else { + infer(ph_alf_cb_enabled_flag, 0); + infer(ph_alf_cr_enabled_flag, 0); + } + + if (current->ph_alf_cb_enabled_flag || current->ph_alf_cr_enabled_flag) { + ub(3, ph_alf_aps_id_chroma); + } + + if (sps->sps_ccalf_enabled_flag) { + flag(ph_alf_cc_cb_enabled_flag); + if (current->ph_alf_cc_cb_enabled_flag) + ub(3, ph_alf_cc_cb_aps_id); + flag(ph_alf_cc_cr_enabled_flag); + if (current->ph_alf_cc_cr_enabled_flag) + ub(3, ph_alf_cc_cr_aps_id); + } + } + } else { + infer(ph_alf_enabled_flag, 0); + } + if (sps->sps_lmcs_enabled_flag) { + flag(ph_lmcs_enabled_flag); + if (current->ph_lmcs_enabled_flag) { + ub(2, ph_lmcs_aps_id); + if (sps->sps_chroma_format_idc != 0) + flag(ph_chroma_residual_scale_flag); + else + infer(ph_chroma_residual_scale_flag, 0); + } + } else { + infer(ph_lmcs_enabled_flag, 0); + infer(ph_chroma_residual_scale_flag, 0); + } + + if (sps->sps_explicit_scaling_list_enabled_flag) { + flag(ph_explicit_scaling_list_enabled_flag); + if (current->ph_explicit_scaling_list_enabled_flag) { + //todo: check the ph_scaling_list_aps_id range, when aps ready + ub(3, ph_scaling_list_aps_id); + } + } else { + infer(ph_explicit_scaling_list_enabled_flag, 0); + } + if (sps->sps_virtual_boundaries_enabled_flag && + !sps->sps_virtual_boundaries_present_flag) { + flag(ph_virtual_boundaries_present_flag); + if (current->ph_virtual_boundaries_present_flag) { + ue(ph_num_ver_virtual_boundaries, + 0, pps->pps_pic_width_in_luma_samples <= 8 ? 0 : 3); + for (i = 0; i < current->ph_num_ver_virtual_boundaries; i++) { + ues(ph_virtual_boundary_pos_x_minus1[i], + 0, (pps->pps_pic_width_in_luma_samples + 7) / 8 - 2, 1, i); + } + ue(ph_num_hor_virtual_boundaries, + 0, pps->pps_pic_height_in_luma_samples <= 8 ? 0 : 3); + for (i = 0; i < current->ph_num_hor_virtual_boundaries; i++) { + ues(ph_virtual_boundary_pos_y_minus1[i], + 0, (pps->pps_pic_height_in_luma_samples + 7) / 8 - 2, 1, i); + } + } else { + infer(ph_num_ver_virtual_boundaries, 0); + infer(ph_num_hor_virtual_boundaries, 0); + } + } + if (pps->pps_output_flag_present_flag && !current->ph_non_ref_pic_flag) + flag(ph_pic_output_flag); + else + infer(ph_pic_output_flag, 1); + if (pps->pps_rpl_info_in_ph_flag) { + CHECK(FUNC(ref_pic_lists)(ctx, rw, sps, pps, ¤t->ph_ref_pic_lists)); + } + if (sps->sps_partition_constraints_override_enabled_flag) + flag(ph_partition_constraints_override_flag); + else + infer(ph_partition_constraints_override_flag, 0); + + ctb_log2_size_y = sps->sps_log2_ctu_size_minus5 + 5; + min_cb_log2_size_y = sps->sps_log2_min_luma_coding_block_size_minus2 + 2; + if (current->ph_intra_slice_allowed_flag) { + if (current->ph_partition_constraints_override_flag) { + ue(ph_log2_diff_min_qt_min_cb_intra_slice_luma, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + ue(ph_max_mtt_hierarchy_depth_intra_slice_luma, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + if (current->ph_max_mtt_hierarchy_depth_intra_slice_luma != 0) { + ue(ph_log2_diff_max_bt_min_qt_intra_slice_luma, + 0, ctb_log2_size_y - min_qt_log2_size_intra_y); + ue(ph_log2_diff_max_tt_min_qt_intra_slice_luma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_y); + } else { + infer(ph_log2_diff_max_bt_min_qt_intra_slice_luma, + sps->sps_log2_diff_max_bt_min_qt_intra_slice_luma); + infer(ph_log2_diff_max_tt_min_qt_intra_slice_luma, + sps->sps_log2_diff_max_tt_min_qt_intra_slice_luma); + } + if (sps->sps_qtbtt_dual_tree_intra_flag) { + ue(ph_log2_diff_min_qt_min_cb_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + ue(ph_max_mtt_hierarchy_depth_intra_slice_chroma, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + if (sps->sps_max_mtt_hierarchy_depth_intra_slice_chroma != 0) { + unsigned int min_qt_log2_size_intra_c = + sps->sps_log2_diff_min_qt_min_cb_intra_slice_chroma + + min_cb_log2_size_y; + ue(ph_log2_diff_max_bt_min_qt_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_c); + ue(ph_log2_diff_max_tt_min_qt_intra_slice_chroma, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_intra_c); + } else { + infer(ph_log2_diff_max_bt_min_qt_intra_slice_chroma, + sps->sps_log2_diff_max_bt_min_qt_intra_slice_chroma); + infer(ph_log2_diff_max_tt_min_qt_intra_slice_chroma, + sps->sps_log2_diff_max_tt_min_qt_intra_slice_chroma); + } + } + } else { + infer(ph_log2_diff_min_qt_min_cb_intra_slice_luma, + sps->sps_log2_diff_min_qt_min_cb_intra_slice_luma); + infer(ph_max_mtt_hierarchy_depth_intra_slice_luma, + sps->sps_max_mtt_hierarchy_depth_intra_slice_luma); + infer(ph_log2_diff_max_bt_min_qt_intra_slice_luma, + sps->sps_log2_diff_max_bt_min_qt_intra_slice_luma); + infer(ph_log2_diff_max_tt_min_qt_intra_slice_luma, + sps->sps_log2_diff_max_tt_min_qt_intra_slice_luma); + infer(ph_log2_diff_min_qt_min_cb_intra_slice_chroma, + sps->sps_log2_diff_min_qt_min_cb_intra_slice_chroma); + infer(ph_max_mtt_hierarchy_depth_intra_slice_chroma, + sps->sps_max_mtt_hierarchy_depth_intra_slice_chroma); + infer(ph_log2_diff_max_bt_min_qt_intra_slice_chroma, + sps->sps_log2_diff_max_bt_min_qt_intra_slice_chroma); + infer(ph_log2_diff_max_tt_min_qt_intra_slice_chroma, + sps->sps_log2_diff_max_tt_min_qt_intra_slice_chroma); + } + + min_qt_log2_size_intra_y = + current->ph_log2_diff_min_qt_min_cb_intra_slice_luma + ctb_log2_size_y; + if (pps->pps_cu_qp_delta_enabled_flag) + ue(ph_cu_qp_delta_subdiv_intra_slice, 0, + 2 * (ctb_log2_size_y - min_qt_log2_size_intra_y + + current->ph_max_mtt_hierarchy_depth_intra_slice_luma)); + else + infer(ph_cu_qp_delta_subdiv_intra_slice, 0); + + if (pps->pps_cu_chroma_qp_offset_list_enabled_flag) + ue(ph_cu_chroma_qp_offset_subdiv_intra_slice, 0, + 2 * (ctb_log2_size_y - min_qt_log2_size_intra_y + + current->ph_max_mtt_hierarchy_depth_intra_slice_luma)); + else + infer(ph_cu_chroma_qp_offset_subdiv_intra_slice, 0); + } + if (current->ph_inter_slice_allowed_flag) { + if (current->ph_partition_constraints_override_flag) { + ue(ph_log2_diff_min_qt_min_cb_inter_slice, + 0, FFMIN(6, ctb_log2_size_y) - min_cb_log2_size_y); + min_qt_log2_size_inter_y = + current->ph_log2_diff_min_qt_min_cb_inter_slice + min_cb_log2_size_y; + ue(ph_max_mtt_hierarchy_depth_inter_slice, + 0, 2 * (ctb_log2_size_y - min_cb_log2_size_y)); + if (current->ph_max_mtt_hierarchy_depth_inter_slice != 0) { + ue(ph_log2_diff_max_bt_min_qt_inter_slice, + 0, ctb_log2_size_y - min_qt_log2_size_inter_y); + ue(ph_log2_diff_max_tt_min_qt_inter_slice, + 0, FFMIN(6, ctb_log2_size_y) - min_qt_log2_size_inter_y); + } + } else { + infer(ph_log2_diff_min_qt_min_cb_inter_slice, + sps->sps_log2_diff_min_qt_min_cb_inter_slice); + min_qt_log2_size_inter_y = + current->ph_log2_diff_min_qt_min_cb_inter_slice + min_cb_log2_size_y; + infer(ph_max_mtt_hierarchy_depth_inter_slice, + sps->sps_max_mtt_hierarchy_depth_inter_slice); + infer(ph_log2_diff_max_bt_min_qt_inter_slice, + sps->sps_log2_diff_max_bt_min_qt_inter_slice); + infer(ph_log2_diff_max_tt_min_qt_inter_slice, + sps->sps_log2_diff_max_tt_min_qt_inter_slice); + } + + if (pps->pps_cu_qp_delta_enabled_flag) + ue(ph_cu_qp_delta_subdiv_inter_slice, 0, + 2 * (ctb_log2_size_y - min_qt_log2_size_inter_y + + current->ph_max_mtt_hierarchy_depth_inter_slice)); + else + infer(ph_cu_qp_delta_subdiv_inter_slice, 0); + + if (pps->pps_cu_chroma_qp_offset_list_enabled_flag) + ue(ph_cu_chroma_qp_offset_subdiv_inter_slice, 0, + 2 * (ctb_log2_size_y - min_qt_log2_size_inter_y + + current->ph_max_mtt_hierarchy_depth_inter_slice)); + else + infer(ph_cu_chroma_qp_offset_subdiv_inter_slice, 0); + if (sps->sps_temporal_mvp_enabled_flag) { + flag(ph_temporal_mvp_enabled_flag); + if (current->ph_temporal_mvp_enabled_flag && + pps->pps_rpl_info_in_ph_flag) { + if (current->ph_ref_pic_lists.rpl_ref_list[1].num_ref_entries > 0) + flag(ph_collocated_from_l0_flag); + else + infer(ph_collocated_from_l0_flag, 1); + if ((current->ph_collocated_from_l0_flag && + current->ph_ref_pic_lists.rpl_ref_list[0].num_ref_entries > 1) || + (!current->ph_collocated_from_l0_flag && + current->ph_ref_pic_lists.rpl_ref_list[1].num_ref_entries > 1)) { + unsigned int idx = current->ph_collocated_from_l0_flag ? 0 : 1; + ue(ph_collocated_ref_idx, 0, + current->ph_ref_pic_lists.rpl_ref_list[idx].num_ref_entries - 1); + } else { + infer(ph_collocated_ref_idx, 0); + } + } + } + if (sps->sps_mmvd_fullpel_only_enabled_flag) + flag(ph_mmvd_fullpel_only_flag); + else + infer(ph_mmvd_fullpel_only_flag, 0); + if (!pps->pps_rpl_info_in_ph_flag || + current->ph_ref_pic_lists.rpl_ref_list[1].num_ref_entries > 0) { + flag(ph_mvd_l1_zero_flag); + if (sps->sps_bdof_control_present_in_ph_flag) { + flag(ph_bdof_disabled_flag); + } else { + if (!sps->sps_bdof_control_present_in_ph_flag) + infer(ph_bdof_disabled_flag, 1 - sps->sps_bdof_enabled_flag); + else + infer(ph_bdof_disabled_flag, 1); + } + if (sps->sps_dmvr_control_present_in_ph_flag) { + flag(ph_dmvr_disabled_flag); + } else { + if (!sps->sps_dmvr_control_present_in_ph_flag) + infer(ph_dmvr_disabled_flag, 1 - sps->sps_dmvr_enabled_flag); + else + infer(ph_dmvr_disabled_flag, 1); + } + } else { + infer(ph_mvd_l1_zero_flag, 1); + } + if (sps->sps_prof_control_present_in_ph_flag) + flag(ph_prof_disabled_flag); + else + infer(ph_prof_disabled_flag, !sps->sps_affine_prof_enabled_flag); + if ((pps->pps_weighted_pred_flag || + pps->pps_weighted_bipred_flag) && + pps->pps_wp_info_in_ph_flag) { + + // if pps->pps_wp_info_in_ph_fla == 1 + // pred_weight_table will not use num_ref_idx_active + uint8_t num_ref_idx_active[2] = {0, 0}; + CHECK(FUNC(pred_weight_table)(ctx, rw, sps, pps, ¤t->ph_ref_pic_lists, + num_ref_idx_active, + ¤t->ph_pred_weight_table)); + } + } + + qp_bd_offset = 6 * sps->sps_bitdepth_minus8; + if (pps->pps_qp_delta_info_in_ph_flag) + se(ph_qp_delta, -qp_bd_offset - (26 + pps->pps_init_qp_minus26), + 63 - (26 + pps->pps_init_qp_minus26)); + + if (sps->sps_joint_cbcr_enabled_flag) + flag(ph_joint_cbcr_sign_flag); + else + infer(ph_joint_cbcr_sign_flag, 0); + if (sps->sps_sao_enabled_flag && pps->pps_sao_info_in_ph_flag) { + flag(ph_sao_luma_enabled_flag); + if (sps->sps_chroma_format_idc != 0) + flag(ph_sao_chroma_enabled_flag); + else + infer(ph_sao_chroma_enabled_flag, 0); + } else { + infer(ph_sao_luma_enabled_flag, 0); + infer(ph_sao_chroma_enabled_flag, 0); + } + + if (pps->pps_dbf_info_in_ph_flag) { + flag(ph_deblocking_params_present_flag); + if (current->ph_deblocking_params_present_flag) { + if (!pps->pps_deblocking_filter_disabled_flag) { + flag(ph_deblocking_filter_disabled_flag); + } else { + if (pps->pps_deblocking_filter_disabled_flag && + current->ph_deblocking_params_present_flag) { + infer(ph_deblocking_filter_disabled_flag, 0); + } else { + infer(ph_deblocking_filter_disabled_flag, + pps->pps_deblocking_filter_disabled_flag); + } + } + if (!current->ph_deblocking_filter_disabled_flag) { + se(ph_luma_beta_offset_div2, -12, 12); + se(ph_luma_tc_offset_div2, -12, 12); + if (pps->pps_chroma_tool_offsets_present_flag) { + se(ph_cb_beta_offset_div2, -12, 12); + se(ph_cb_tc_offset_div2, -12, 12); + se(ph_cr_beta_offset_div2, -12, 12); + se(ph_cr_tc_offset_div2, -12, 12); + } else { + infer(ph_cb_beta_offset_div2, current->ph_luma_beta_offset_div2); + infer(ph_cb_tc_offset_div2, current->ph_luma_tc_offset_div2); + infer(ph_cr_beta_offset_div2, current->ph_luma_beta_offset_div2); + infer(ph_cr_tc_offset_div2, current->ph_luma_tc_offset_div2); + } + } else { + infer(ph_luma_beta_offset_div2, pps->pps_luma_beta_offset_div2); + infer(ph_luma_tc_offset_div2, pps->pps_luma_tc_offset_div2); + if (pps->pps_chroma_tool_offsets_present_flag) { + infer(ph_cb_beta_offset_div2, pps->pps_cb_beta_offset_div2); + infer(ph_cb_tc_offset_div2, pps->pps_cb_tc_offset_div2); + infer(ph_cr_beta_offset_div2, pps->pps_cr_beta_offset_div2); + infer(ph_cr_tc_offset_div2, pps->pps_cr_tc_offset_div2); + } else { + infer(ph_cb_beta_offset_div2, current->ph_luma_beta_offset_div2); + infer(ph_cb_tc_offset_div2, current->ph_luma_tc_offset_div2); + infer(ph_cr_beta_offset_div2, current->ph_luma_beta_offset_div2); + infer(ph_cr_tc_offset_div2, current->ph_luma_tc_offset_div2); + } + } + } + } + + if (pps->pps_picture_header_extension_present_flag) { + ue(ph_extension_length, 0, 256); + for (i = 0; i < current->ph_extension_length; i++) + us(8, ph_extension_data_byte[i], 0x00, 0xff, 1, i); + } + + return 0; +} + +static int FUNC(ph)(CodedBitstreamContext *ctx, RWContext *rw, H266RawPH *current) +{ + int err; + + HEADER("Picture Header"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, VVC_PH_NUT)); + CHECK(FUNC(picture_header)(ctx, rw, current)); + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + return 0; +} + +static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawSliceHeader *current) +{ + CodedBitstreamH266Context *h266 = ctx->priv_data; + const H266RawSPS *sps; + const H266RawPPS *pps; + const H266RawPH *ph; + const H266RefPicLists *ref_pic_lists; + int err, i; + uint8_t nal_unit_type, qp_bd_offset; + uint16_t curr_subpic_idx; + uint16_t num_slices_in_subpic; + + HEADER("Slice Header"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, -1)); + + flag(sh_picture_header_in_slice_header_flag); + if (current->sh_picture_header_in_slice_header_flag){ + CHECK(FUNC(picture_header)(ctx, rw, ¤t->sh_picture_header)); + if (!h266->ph_ref) { + h266->ph_ref = av_buffer_allocz(sizeof(H266RawPH)); + if (!h266->ph_ref) + return AVERROR(ENOMEM); + } + h266->ph = (H266RawPH*)h266->ph_ref->data; + memcpy(h266->ph, ¤t->sh_picture_header, sizeof(H266RawPH)); + } + + ph = h266->ph; + if (!ph) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Picture header not available.\n"); + return AVERROR_INVALIDDATA; + } + pps = h266->pps[ph->ph_pic_parameter_set_id]; + if (!pps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n", + ph->ph_pic_parameter_set_id); + return AVERROR_INVALIDDATA; + } + sps = h266->sps[pps->pps_seq_parameter_set_id]; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n", + pps->pps_seq_parameter_set_id); + return AVERROR_INVALIDDATA; + } + + if (sps->sps_subpic_info_present_flag) { + ub(sps->sps_subpic_id_len_minus1 + 1, sh_subpic_id); + if (sps->sps_subpic_id_mapping_explicitly_signalled_flag) { + for (i = 0; i <= sps->sps_num_subpics_minus1; i++) { + uint16_t subpic_id_val = pps->pps_subpic_id_mapping_present_flag ? + pps->pps_subpic_id[i] : sps->sps_subpic_id[i]; + if (subpic_id_val == current->sh_subpic_id) { + curr_subpic_idx = i; + break; + } + } + } else { + curr_subpic_idx = current->sh_subpic_id; + if (curr_subpic_idx > sps->sps_num_subpics_minus1) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "sh_subpic_id(%d) should in range [0, %d]\n", + curr_subpic_idx, sps->sps_num_subpics_minus1); + return AVERROR_INVALIDDATA; + } + } + } else { + curr_subpic_idx = 0; + } + + num_slices_in_subpic = pps->num_slices_in_subpic[curr_subpic_idx]; + + if ((pps->pps_rect_slice_flag && num_slices_in_subpic > 1) || + (!pps->pps_rect_slice_flag && pps->num_tiles_in_pic > 1)) { + unsigned int bits, max; + if (!pps->pps_rect_slice_flag) { + bits = av_ceil_log2(pps->num_tiles_in_pic); + max = pps->num_tiles_in_pic - 1; + } else { + bits = av_ceil_log2(num_slices_in_subpic); + max = num_slices_in_subpic - 1; + } + u(bits, sh_slice_address, 0, max); + } else { + infer(sh_slice_address, 0); + } + + for (i = 0; i < sps->sps_num_extra_sh_bytes * 8; i++) { + if (sps->sps_extra_sh_bit_present_flag[i]) + flags(sh_extra_bit[i], 1, i); + } + + if (!pps->pps_rect_slice_flag && + pps->num_tiles_in_pic - current->sh_slice_address > 1) + ue(sh_num_tiles_in_slice_minus1, 0, pps->num_tiles_in_pic - 1); + else + infer(sh_num_tiles_in_slice_minus1, 0); + + if (ph->ph_inter_slice_allowed_flag) + ue(sh_slice_type, 0, 2); + else + infer(sh_slice_type, 2); + + nal_unit_type = current->nal_unit_header.nal_unit_type; + if (nal_unit_type == VVC_IDR_W_RADL || + nal_unit_type == VVC_IDR_N_LP || + nal_unit_type == VVC_CRA_NUT || + nal_unit_type == VVC_GDR_NUT) + flag(sh_no_output_of_prior_pics_flag); + if (sps->sps_alf_enabled_flag && !pps->pps_alf_info_in_ph_flag) { + flag(sh_alf_enabled_flag); + if (current->sh_alf_enabled_flag) { + ub(3, sh_num_alf_aps_ids_luma); + for (i = 0; i < current->sh_num_alf_aps_ids_luma; i++) + ubs(3, sh_alf_aps_id_luma[i], 1, i); + if (sps->sps_chroma_format_idc != 0) { + flag(sh_alf_cb_enabled_flag); + flag(sh_alf_cr_enabled_flag); + } else { + infer(sh_alf_cb_enabled_flag, ph->ph_alf_cb_enabled_flag); + infer(sh_alf_cr_enabled_flag, ph->ph_alf_cr_enabled_flag); + } + if (current->sh_alf_cb_enabled_flag || + current->sh_alf_cr_enabled_flag) + ub(3, sh_alf_aps_id_chroma); + else + infer(sh_alf_aps_id_chroma, ph->ph_alf_aps_id_chroma); + if (sps->sps_ccalf_enabled_flag) { + flag(sh_alf_cc_cb_enabled_flag); + if (current->sh_alf_cc_cb_enabled_flag) + ub(3, sh_alf_cc_cb_aps_id); + else + infer(sh_alf_cc_cb_aps_id, ph->ph_alf_cc_cb_aps_id); + flag(sh_alf_cc_cr_enabled_flag); + if (current->sh_alf_cc_cr_enabled_flag) + ub(3, sh_alf_cc_cr_aps_id); + else + infer(sh_alf_cc_cr_aps_id, ph->ph_alf_cc_cr_aps_id); + } else { + infer(sh_alf_cc_cb_enabled_flag, ph->ph_alf_cc_cb_enabled_flag); + infer(sh_alf_cc_cr_enabled_flag, ph->ph_alf_cc_cr_enabled_flag); + infer(sh_alf_cc_cb_aps_id, ph->ph_alf_cc_cb_aps_id); + infer(sh_alf_cc_cr_aps_id, ph->ph_alf_cc_cr_aps_id); + } + } + } else { + infer(sh_alf_enabled_flag, 0); + } + + if (ph->ph_lmcs_enabled_flag && + !current->sh_picture_header_in_slice_header_flag) + flag(sh_lmcs_used_flag); + else + infer(sh_lmcs_used_flag, 0); + + if (ph->ph_explicit_scaling_list_enabled_flag && + !current->sh_picture_header_in_slice_header_flag) + flag(sh_explicit_scaling_list_used_flag); + else + infer(sh_explicit_scaling_list_used_flag, 0); + + if (!pps->pps_rpl_info_in_ph_flag && + ((nal_unit_type != VVC_IDR_W_RADL && + nal_unit_type != VVC_IDR_N_LP) || + sps->sps_idr_rpl_present_flag)) { + CHECK(FUNC(ref_pic_lists)(ctx, rw, sps, pps, ¤t->sh_ref_pic_lists)); + ref_pic_lists = ¤t->sh_ref_pic_lists; + } else { + ref_pic_lists = &h266->ph->ph_ref_pic_lists; + } + if ((current->sh_slice_type != VVC_SLICE_TYPE_I && + ref_pic_lists->rpl_ref_list[0].num_ref_entries > 1) || + (current->sh_slice_type == VVC_SLICE_TYPE_B && + ref_pic_lists->rpl_ref_list[1].num_ref_entries > 1)) { + flag(sh_num_ref_idx_active_override_flag); + if (current->sh_num_ref_idx_active_override_flag) { + for (i = 0; i < (current->sh_slice_type == VVC_SLICE_TYPE_B ? 2: 1); i++) + if (ref_pic_lists->rpl_ref_list[i].num_ref_entries > 1) + ues(sh_num_ref_idx_active_minus1[i], 0, 14, 1, i); + else + infer(sh_num_ref_idx_active_minus1[i], 0); + } + } else { + infer(sh_num_ref_idx_active_override_flag, 1); + } + if (current->sh_slice_type != VVC_SLICE_TYPE_I) { + if (pps->pps_cabac_init_present_flag) + flag(sh_cabac_init_flag); + else + infer(sh_cabac_init_flag, 0); + if (ph->ph_temporal_mvp_enabled_flag && !pps->pps_rpl_info_in_ph_flag) { + uint8_t num_ref_idx_active[2]; + for (i = 0; i < 2; i++) { + if (current->sh_slice_type == VVC_SLICE_TYPE_B || + (current->sh_slice_type == VVC_SLICE_TYPE_P && i == 0)) { + if (current->sh_num_ref_idx_active_override_flag) { + num_ref_idx_active[i] = current->sh_num_ref_idx_active_minus1[i] + 1; + } + else { + num_ref_idx_active[i] = + FFMIN(ref_pic_lists->rpl_ref_list[i].num_ref_entries, + pps->pps_num_ref_idx_default_active_minus1[i] + 1); + } + } else { + num_ref_idx_active[i] = 0; + } + } + + if (current->sh_slice_type == VVC_SLICE_TYPE_B) + flag(sh_collocated_from_l0_flag); + else + infer(sh_collocated_from_l0_flag, 1); + if ((current->sh_collocated_from_l0_flag && num_ref_idx_active[0] > 1) || + (!current->sh_collocated_from_l0_flag && num_ref_idx_active[1] > 1)) { + unsigned int idx = current->sh_collocated_from_l0_flag ? 0 : 1; + ue(sh_collocated_ref_idx, 0, num_ref_idx_active[idx] - 1); + } else { + infer(sh_collocated_ref_idx, 0); + } + if (!pps->pps_wp_info_in_ph_flag && + ((pps->pps_weighted_pred_flag && + current->sh_slice_type == VVC_SLICE_TYPE_P) || + (pps->pps_weighted_bipred_flag && + current->sh_slice_type == VVC_SLICE_TYPE_B))) { + CHECK(FUNC(pred_weight_table)(ctx, rw, sps, pps, ref_pic_lists, + num_ref_idx_active, + ¤t->sh_pred_weight_table)); + } + } + + } + qp_bd_offset = 6 * sps->sps_bitdepth_minus8; + if (!pps->pps_qp_delta_info_in_ph_flag) + se(sh_qp_delta, -qp_bd_offset - (26 + pps->pps_init_qp_minus26), + 63 - (26 + pps->pps_init_qp_minus26)); + if (pps->pps_slice_chroma_qp_offsets_present_flag) { + int8_t off; + + se(sh_cb_qp_offset, -12, 12); + off = pps->pps_cb_qp_offset + current->sh_cb_qp_offset; + if (off < -12 || off > 12) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "pps_cb_qp_offset + sh_cb_qp_offset (%d) not in range [-12, 12].\n", + off); + return AVERROR_INVALIDDATA; + } + + se(sh_cr_qp_offset, -12, 12); + off = pps->pps_cr_qp_offset + current->sh_cr_qp_offset; + if (off < -12 || off > 12) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "pps_cr_qp_offset + sh_cr_qp_offset (%d) not in range [-12, 12].\n", + off); + return AVERROR_INVALIDDATA; + } + + if (sps->sps_joint_cbcr_enabled_flag) { + se(sh_joint_cbcr_qp_offset, -12, 12); + off = pps->pps_joint_cbcr_qp_offset_value + current->sh_joint_cbcr_qp_offset; + if (off < -12 || off > 12) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "pps_joint_cbcr_qp_offset_value + sh_joint_cbcr_qp_offset (%d)" + "not in range [-12, 12]. \n", + off); + return AVERROR_INVALIDDATA; + } + } else { + infer(sh_joint_cbcr_qp_offset, 0); + } + } else { + infer(sh_cb_qp_offset, 0); + infer(sh_cr_qp_offset, 0); + infer(sh_joint_cbcr_qp_offset, 0); + } + if (pps->pps_cu_chroma_qp_offset_list_enabled_flag) + flag(sh_cu_chroma_qp_offset_enabled_flag); + else + infer(sh_cu_chroma_qp_offset_enabled_flag, 0); + if (sps->sps_sao_enabled_flag && !pps->pps_sao_info_in_ph_flag) { + flag(sh_sao_luma_used_flag); + if (sps->sps_chroma_format_idc != 0) + flag(sh_sao_chroma_used_flag); + else + infer(sh_sao_chroma_used_flag, ph->ph_sao_chroma_enabled_flag); + } else { + infer(sh_sao_luma_used_flag, ph->ph_sao_luma_enabled_flag); + infer(sh_sao_chroma_used_flag, ph->ph_sao_chroma_enabled_flag); + } + + if (pps->pps_deblocking_filter_override_enabled_flag && + !pps->pps_dbf_info_in_ph_flag) + flag(sh_deblocking_params_present_flag); + else + infer(sh_deblocking_params_present_flag, 0); + if (current->sh_deblocking_params_present_flag) { + if (!pps->pps_deblocking_filter_disabled_flag) + flag(sh_deblocking_filter_disabled_flag); + else + infer(sh_deblocking_filter_disabled_flag, + !(pps->pps_deblocking_filter_disabled_flag && + current->sh_deblocking_params_present_flag)); + if (!current->sh_deblocking_filter_disabled_flag) { + se(sh_luma_beta_offset_div2, -12, 12); + se(sh_luma_tc_offset_div2, -12, 12); + if (pps->pps_chroma_tool_offsets_present_flag) { + se(sh_cb_beta_offset_div2, -12, 12); + se(sh_cb_tc_offset_div2, -12, 12); + se(sh_cr_beta_offset_div2, -12, 12); + se(sh_cr_tc_offset_div2, -12, 12); + } else { + infer(sh_cb_beta_offset_div2, current->sh_luma_beta_offset_div2); + infer(sh_cb_tc_offset_div2, current->sh_luma_tc_offset_div2); + infer(sh_cr_beta_offset_div2, current->sh_luma_beta_offset_div2); + infer(sh_cr_tc_offset_div2, current->sh_luma_tc_offset_div2); + } + } else { + infer(sh_luma_beta_offset_div2, ph->ph_luma_beta_offset_div2); + infer(sh_luma_tc_offset_div2, ph->ph_luma_tc_offset_div2); + if (pps->pps_chroma_tool_offsets_present_flag) { + infer(sh_cb_beta_offset_div2, ph->ph_cb_beta_offset_div2); + infer(sh_cb_tc_offset_div2, ph->ph_cb_tc_offset_div2); + infer(sh_cr_beta_offset_div2, ph->ph_cr_beta_offset_div2); + infer(sh_cr_tc_offset_div2, ph->ph_cr_beta_offset_div2); + } else { + infer(sh_cb_beta_offset_div2, current->sh_luma_beta_offset_div2); + infer(sh_cb_tc_offset_div2, current->sh_luma_tc_offset_div2); + infer(sh_cr_beta_offset_div2, current->sh_luma_beta_offset_div2); + infer(sh_cr_tc_offset_div2, current->sh_luma_tc_offset_div2); + } + } + } + + if (sps->sps_dep_quant_enabled_flag) + flag(sh_dep_quant_used_flag); + else + infer(sh_dep_quant_used_flag, 0); + + if (sps->sps_sign_data_hiding_enabled_flag && + !current->sh_dep_quant_used_flag) + flag(sh_sign_data_hiding_used_flag); + else + infer(sh_sign_data_hiding_used_flag, 0); + + if (sps->sps_transform_skip_enabled_flag && + !current->sh_dep_quant_used_flag && + !current->sh_sign_data_hiding_used_flag) + flag(sh_ts_residual_coding_disabled_flag); + else + infer(sh_ts_residual_coding_disabled_flag, 0); + if (pps->pps_slice_header_extension_present_flag) { + ue(sh_slice_header_extension_length, 0, 256); + for (i = 0; i < current->sh_slice_header_extension_length; i++) + us(8, sh_slice_header_extension_data_byte[i], 0x00, 0xff, 1, i); + } + if (sps->sps_entry_point_offsets_present_flag) { + int num_entry_points = 0; + uint8_t entropy_sync = sps->sps_entropy_coding_sync_enabled_flag; + int height; + if (pps->pps_rect_slice_flag) { + int width_in_tiles; + int slice_idx = current->sh_slice_address; + for (i = 0; i < curr_subpic_idx; i++) { + slice_idx += pps->num_slices_in_subpic[i]; + } + width_in_tiles = + pps->pps_slice_width_in_tiles_minus1[slice_idx] + 1; + + if (entropy_sync) + height = pps->slice_height_in_ctus[slice_idx]; + else + height = pps->pps_slice_height_in_tiles_minus1[slice_idx] + 1; + + num_entry_points = width_in_tiles * height; + } else { + int tile_idx; + int tile_y; + for (tile_idx = current->sh_slice_address; + tile_idx <= current->sh_slice_address + current->sh_num_tiles_in_slice_minus1; + tile_idx++) { + tile_y = tile_idx / pps->num_tile_rows; + height = pps->pps_tile_row_height_minus1[tile_y] + 1; + num_entry_points += (entropy_sync ? height : 1); + } + } + num_entry_points--; + if (num_entry_points > VVC_MAX_ENTRY_POINTS) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: " + "%"PRIu16".\n", num_entry_points); + return AVERROR_PATCHWELCOME; + } + if (num_entry_points > 0) { + ue(sh_entry_offset_len_minus1, 0, 31); + for (i = 0; i < num_entry_points; i++) { + ubs(current->sh_entry_offset_len_minus1 + 1, + sh_entry_point_offset_minus1[i], 1, i); + } + } + } + CHECK(FUNC(byte_alignment)(ctx, rw)); + + return 0; +} + +static int FUNC(sei_decoded_picture_hash)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawSEIDecodedPictureHash *current) +{ + int err, c_idx, i; + + HEADER("Decoded Picture Hash"); + + u(8, dph_sei_hash_type, 0, 2); + flag(dph_sei_single_component_flag); + ub(7, ph_sei_reserved_zero_7bits); + + for (c_idx = 0; c_idx < (current->dph_sei_single_component_flag ? 1 : 3); c_idx++) { + if (current->dph_sei_hash_type == 0) { + for (i = 0; i < 16; i++) + us(8, dph_sei_picture_md5[c_idx][i], 0x00, 0xff, 2, c_idx, i); + } else if (current->dph_sei_hash_type == 1) { + us(16, dph_sei_picture_crc[c_idx], 0x0000, 0xffff, 1, c_idx); + } else if (current->dph_sei_hash_type == 2) { + us(32, dph_sei_picture_checksum[c_idx], 0x00000000, 0xffffffff, 1, c_idx); + } + } + return 0; +} + +static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw, + H266RawSEI *current, int prefix) +{ + int err; + + if (prefix) + HEADER("Prefix Supplemental Enhancement Information"); + else + HEADER("Suffix Supplemental Enhancement Information"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, + prefix ? VVC_PREFIX_SEI_NUT + : VVC_SUFFIX_SEI_NUT)); + + CHECK(FUNC_SEI(message_list)(ctx, rw, ¤t->message_list, prefix)); + + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + + return 0; +} diff --git a/libavcodec/cbs_internal.h b/libavcodec/cbs_internal.h index a392880036..118b1052d4 100644 --- a/libavcodec/cbs_internal.h +++ b/libavcodec/cbs_internal.h @@ -40,7 +40,7 @@ enum CBSContentType { enum { // Maximum number of unit types described by the same unit type // descriptor. - CBS_MAX_UNIT_TYPES = 3, + CBS_MAX_UNIT_TYPES = 4, // Maximum number of reference buffer offsets in any one unit. CBS_MAX_REF_OFFSETS = 2, // Special value used in a unit type descriptor to indicate that it @@ -204,6 +204,7 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc, extern const CodedBitstreamType ff_cbs_type_av1; extern const CodedBitstreamType ff_cbs_type_h264; extern const CodedBitstreamType ff_cbs_type_h265; +extern const CodedBitstreamType ff_cbs_type_h266; extern const CodedBitstreamType ff_cbs_type_jpeg; extern const CodedBitstreamType ff_cbs_type_mpeg2; extern const CodedBitstreamType ff_cbs_type_vp9; diff --git a/libavcodec/cbs_sei.c b/libavcodec/cbs_sei.c index c49830ad77..96c60259ce 100644 --- a/libavcodec/cbs_sei.c +++ b/libavcodec/cbs_sei.c @@ -20,6 +20,7 @@ #include "cbs_internal.h" #include "cbs_h264.h" #include "cbs_h265.h" +#include "cbs_h266.h" #include "cbs_sei.h" static void cbs_free_user_data_registered(void *opaque, uint8_t *data) @@ -132,6 +133,13 @@ static int cbs_sei_get_unit(CodedBitstreamContext *ctx, else sei_type = HEVC_NAL_SEI_SUFFIX; break; + case AV_CODEC_ID_H266: + highest_vcl_type = VVC_RSV_IRAP_11; + if (prefix) + sei_type = VVC_PREFIX_SEI_NUT; + else + sei_type = VVC_SUFFIX_SEI_NUT; + break; default: return AVERROR(EINVAL); } @@ -207,6 +215,18 @@ static int cbs_sei_get_unit(CodedBitstreamContext *ctx, memcpy(unit->content, &sei, sizeof(sei)); } break; + case AV_CODEC_ID_H266: + { + H266RawSEI sei = { + .nal_unit_header = { + .nal_unit_type = sei_type, + .nuh_layer_id = 0, + .nuh_temporal_id_plus1 = 1, + }, + }; + memcpy(unit->content, &sei, sizeof(sei)); + } + break; default: av_assert0(0); } @@ -237,6 +257,15 @@ static int cbs_sei_get_message_list(CodedBitstreamContext *ctx, *list = &sei->message_list; } break; + case AV_CODEC_ID_H266: + { + H266RawSEI *sei = unit->content; + if (unit->type != VVC_PREFIX_SEI_NUT && + unit->type != VVC_SUFFIX_SEI_NUT) + return AVERROR(EINVAL); + *list = &sei->message_list; + } + break; default: return AVERROR(EINVAL); }