Message ID | 20221103122158.27169-6-thomas.ff@spin-digital.com |
---|---|
State | New |
Headers | show |
Series | Add support for H266/VVC | expand |
On Thu, Nov 3, 2022 at 8:23 PM Thomas Siedel <thomas.ff@spin-digital.com> wrote: > > Add demuxer to probe raw vvc and parse vvcc byte stream format. > > Signed-off-by: Thomas Siedel <thomas.ff@spin-digital.com> > --- > libavformat/Makefile | 1 + > libavformat/allformats.c | 1 + > libavformat/demux.c | 7 +- > libavformat/vvc.c | 919 +++++++++++++++++++++++++++++++++++++++ > libavformat/vvc.h | 99 +++++ > libavformat/vvcdec.c | 61 +++ > 6 files changed, 1086 insertions(+), 2 deletions(-) > create mode 100644 libavformat/vvc.c > create mode 100644 libavformat/vvc.h > create mode 100644 libavformat/vvcdec.c > > diff --git a/libavformat/Makefile b/libavformat/Makefile > index d7f198bf39..00ab4ded89 100644 > --- a/libavformat/Makefile > +++ b/libavformat/Makefile > @@ -595,6 +595,7 @@ OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o > OBJS-$(CONFIG_VPK_DEMUXER) += vpk.o > OBJS-$(CONFIG_VPLAYER_DEMUXER) += vplayerdec.o subtitles.o > OBJS-$(CONFIG_VQF_DEMUXER) += vqf.o > +OBJS-$(CONFIG_VVC_DEMUXER) += vvcdec.o rawdec.o > OBJS-$(CONFIG_W64_DEMUXER) += wavdec.o w64.o pcm.o > OBJS-$(CONFIG_W64_MUXER) += wavenc.o w64.o > OBJS-$(CONFIG_WAV_DEMUXER) += wavdec.o pcm.o > diff --git a/libavformat/allformats.c b/libavformat/allformats.c > index 47c419a009..a4e3822681 100644 > --- a/libavformat/allformats.c > +++ b/libavformat/allformats.c > @@ -474,6 +474,7 @@ extern const AVOutputFormat ff_voc_muxer; > extern const AVInputFormat ff_vpk_demuxer; > extern const AVInputFormat ff_vplayer_demuxer; > extern const AVInputFormat ff_vqf_demuxer; > +extern const AVInputFormat ff_vvc_demuxer; > extern const AVInputFormat ff_w64_demuxer; > extern const AVOutputFormat ff_w64_muxer; > extern const AVInputFormat ff_wav_demuxer; > diff --git a/libavformat/demux.c b/libavformat/demux.c > index 2dfd82a63c..8dbde23fcd 100644 > --- a/libavformat/demux.c > +++ b/libavformat/demux.c > @@ -120,6 +120,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, > { "mp3", AV_CODEC_ID_MP3, AVMEDIA_TYPE_AUDIO }, > { "mpegvideo", AV_CODEC_ID_MPEG2VIDEO, AVMEDIA_TYPE_VIDEO }, > { "truehd", AV_CODEC_ID_TRUEHD, AVMEDIA_TYPE_AUDIO }, > + { "vvc", AV_CODEC_ID_VVC, AVMEDIA_TYPE_VIDEO }, > { 0 } > }; > int score; > @@ -743,7 +744,8 @@ static int64_t select_from_pts_buffer(AVStream *st, int64_t *pts_buffer, int64_t > { > FFStream *const sti = ffstream(st); > int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && > - st->codecpar->codec_id != AV_CODEC_ID_HEVC; > + st->codecpar->codec_id != AV_CODEC_ID_HEVC && > + st->codecpar->codec_id != AV_CODEC_ID_VVC; > > if (!onein_oneout) { > int delay = sti->avctx->has_b_frames; > @@ -933,7 +935,8 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st, > int64_t offset; > AVRational duration; > int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && > - st->codecpar->codec_id != AV_CODEC_ID_HEVC; > + st->codecpar->codec_id != AV_CODEC_ID_HEVC && > + st->codecpar->codec_id != AV_CODEC_ID_VVC; > > if (s->flags & AVFMT_FLAG_NOFILLIN) > return; > diff --git a/libavformat/vvc.c b/libavformat/vvc.c > new file mode 100644 > index 0000000000..b27a522009 > --- /dev/null > +++ b/libavformat/vvc.c > @@ -0,0 +1,919 @@ > +/* > + * VVC helper functions for muxers > + * > + * Copyright (C) 2022, Thomas Siedel > + * > + * 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 > + */ > + > +#include "libavcodec/get_bits.h" > +#include "libavcodec/golomb.h" > +#include "libavcodec/vvc.h" > +#include "libavutil/intreadwrite.h" > +#include "avc.h" > +#include "avio.h" > +#include "avio_internal.h" > +#include "vvc.h" > + > +typedef struct VVCCNALUnitArray { > + uint8_t array_completeness; > + uint8_t NAL_unit_type; > + uint16_t num_nalus; > + uint16_t *nal_unit_length; > + uint8_t **nal_unit; > +} VVCCNALUnitArray; > + > +typedef struct VVCPTLRecord { > + uint8_t num_bytes_constraint_info; > + 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; > + uint8_t general_constraint_info[9]; > + uint8_t *ptl_sublayer_level_present_flag; > + uint8_t *sublayer_level_idc; > + uint8_t ptl_num_sub_profiles; > + uint32_t *general_sub_profile_idc; > +} VVCPTLRecord; > + > +typedef struct VVCDecoderConfigurationRecord { > + uint8_t lengthSizeMinusOne; > + uint8_t ptl_present_flag; > + uint16_t ols_idx; > + uint8_t num_sublayers; > + uint8_t constant_frame_rate; > + uint8_t chroma_format_idc; > + uint8_t bit_depth_minus8; > + VVCPTLRecord ptl; > + uint16_t max_picture_width; > + uint16_t max_picture_height; > + uint16_t avg_frame_rate; > + uint8_t num_of_arrays; > + VVCCNALUnitArray *array; > +} VVCDecoderConfigurationRecord; > + > +typedef struct VVCCProfileTierLevel { > + uint8_t profile_idc; > + uint8_t tier_flag; > + uint8_t general_level_idc; > + uint8_t ptl_frame_only_constraint_flag; > + uint8_t ptl_multilayer_enabled_flag; > +// general_constraint_info > + uint8_t gci_present_flag; > + uint8_t gci_general_constraints[9]; > + uint8_t gci_num_reserved_bits; > +// end general_constraint_info > + uint8_t *ptl_sublayer_level_present_flag; > + uint8_t *sublayer_level_idc; > + uint8_t ptl_num_sub_profiles; > + uint32_t *general_sub_profile_idc; > +} VVCCProfileTierLevel; > + > + > +static void vvcc_update_ptl(VVCDecoderConfigurationRecord *vvcc, > + VVCCProfileTierLevel *ptl) > +{ > + /* > + * The level indication general_level_idc must indicate a level of > + * capability equal to or greater than the highest level indicated for the > + * highest tier in all the parameter sets. > + */ > + if (vvcc->ptl.general_tier_flag < ptl->tier_flag) > + vvcc->ptl.general_level_idc = ptl->general_level_idc; > + else > + vvcc->ptl.general_level_idc = FFMAX(vvcc->ptl.general_level_idc, ptl->general_level_idc); > + > + /* > + * The tier indication general_tier_flag must indicate a tier equal to or > + * greater than the highest tier indicated in all the parameter sets. > + */ > + vvcc->ptl.general_tier_flag = FFMAX(vvcc->ptl.general_tier_flag, ptl->tier_flag); > + > + /* > + * The profile indication general_profile_idc must indicate a profile to > + * which the stream associated with this configuration record conforms. > + * > + * If the sequence parameter sets are marked with different profiles, then > + * the stream may need examination to determine which profile, if any, the > + * entire stream conforms to. If the entire stream is not examined, or the > + * examination reveals that there is no profile to which the entire stream > + * conforms, then the entire stream must be split into two or more > + * sub-streams with separate configuration records in which these rules can > + * be met. > + * > + * Note: set the profile to the highest value for the sake of simplicity. > + */ > + vvcc->ptl.general_profile_idc = FFMAX(vvcc->ptl.general_profile_idc, ptl->profile_idc); > + > + /* > + * Each bit in flags may only be set if all > + * the parameter sets set that bit. > + */ > + vvcc->ptl.ptl_frame_only_constraint_flag &= ptl->ptl_frame_only_constraint_flag; > + vvcc->ptl.ptl_multilayer_enabled_flag &= ptl->ptl_multilayer_enabled_flag; > + > + /* > + * Constraints Info > + */ > + if(ptl->gci_present_flag) { > + vvcc->ptl.num_bytes_constraint_info = 9; > + memcpy(&vvcc->ptl.general_constraint_info[0], &ptl->gci_general_constraints[0], sizeof(uint8_t)*9); > + > + } else { > + vvcc->ptl.num_bytes_constraint_info = 1; > + memset(&vvcc->ptl.general_constraint_info[0], 0, sizeof(uint8_t)*9); > + } > + > + /* > + * Each bit in flags may only be set if one of > + * the parameter sets set that bit. > + */ > + vvcc->ptl.ptl_sublayer_level_present_flag = (uint8_t *) malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); > + vvcc->ptl.sublayer_level_idc = (uint8_t *) malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); > + > + memset(vvcc->ptl.ptl_sublayer_level_present_flag, 0, sizeof(uint8_t)*vvcc->num_sublayers-1); > + memset(vvcc->ptl.sublayer_level_idc, 0, sizeof(uint8_t)*vvcc->num_sublayers-1); > + > + for(int i = vvcc->num_sublayers - 2; i >= 0; i--) > + { > + vvcc->ptl.ptl_sublayer_level_present_flag[i] |= ptl->ptl_sublayer_level_present_flag[i]; > + if(vvcc->ptl.ptl_sublayer_level_present_flag[i]){ > + vvcc->ptl.sublayer_level_idc[i] = FFMAX(vvcc->ptl.sublayer_level_idc[i], ptl->sublayer_level_idc[i]); > + } > + else{ > + if(i == vvcc->num_sublayers - 1){ > + vvcc->ptl.sublayer_level_idc[i] = vvcc->ptl.general_level_idc; > + }else{ > + vvcc->ptl.sublayer_level_idc[i] = vvcc->ptl.sublayer_level_idc[i+1]; > + } > + } > + } > + > + vvcc->ptl.ptl_num_sub_profiles = FFMAX(vvcc->ptl.ptl_num_sub_profiles, ptl->ptl_num_sub_profiles); > + if( vvcc->ptl.ptl_num_sub_profiles ){ > + vvcc->ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)*vvcc->ptl.ptl_num_sub_profiles); > + for(int i = 0; i < vvcc->ptl.ptl_num_sub_profiles; i++) { > + vvcc->ptl.general_sub_profile_idc[i] = ptl->general_sub_profile_idc[i]; > + } > + } > + else > + { > + vvcc->ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)); > + } > +} > + > +static void vvcc_parse_ptl(GetBitContext *gb, > + VVCDecoderConfigurationRecord *vvcc, > + unsigned int profileTierPresentFlag, > + unsigned int max_sub_layers_minus1) > +{ > + VVCCProfileTierLevel general_ptl; > + int j; > + > + if(profileTierPresentFlag) { > + general_ptl.profile_idc = get_bits(gb, 7); > + general_ptl.tier_flag = get_bits1(gb); > + } > + general_ptl.general_level_idc = get_bits(gb, 8); > + > + general_ptl.ptl_frame_only_constraint_flag = get_bits1(gb); > + general_ptl.ptl_multilayer_enabled_flag = get_bits1(gb); > + if(profileTierPresentFlag) { // parse constraint info > + general_ptl.gci_present_flag = get_bits1(gb); > + if(general_ptl.gci_present_flag) { > + for (j = 0; j < 8; j++) > + general_ptl.gci_general_constraints[j] = get_bits(gb, 8); > + general_ptl.gci_general_constraints[8] = 0; > + general_ptl.gci_general_constraints[8] = get_bits(gb, 7); > + > + general_ptl.gci_num_reserved_bits = get_bits(gb, 8); > + skip_bits(gb, general_ptl.gci_num_reserved_bits); > + } > + while(gb->index % 8 != 0) > + skip_bits1(gb); > + } > + > + general_ptl.ptl_sublayer_level_present_flag = (uint8_t *) malloc(sizeof(uint8_t)*max_sub_layers_minus1); > + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { > + general_ptl.ptl_sublayer_level_present_flag[i] = get_bits1(gb); > + } > + while(gb->index%8 != 0) > + skip_bits1(gb); > + > + general_ptl.sublayer_level_idc = (uint8_t *) malloc(sizeof(uint8_t)*max_sub_layers_minus1); > + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { > + if( general_ptl.ptl_sublayer_level_present_flag[i] ) > + general_ptl.sublayer_level_idc[i] = get_bits(gb, 8); > + } > + > + if(profileTierPresentFlag) { > + general_ptl.ptl_num_sub_profiles = get_bits(gb, 8); > + if( general_ptl.ptl_num_sub_profiles) { > + general_ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)*general_ptl.ptl_num_sub_profiles); > + for(int i = 0; i < general_ptl.ptl_num_sub_profiles; i++) { > + general_ptl.general_sub_profile_idc[i] = get_bits_long(gb, 32); > + } > + } > + else > + { > + general_ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)); > + } > + } > + > + vvcc_update_ptl(vvcc, &general_ptl); > + > + free(general_ptl.ptl_sublayer_level_present_flag); > + free(general_ptl.sublayer_level_idc); > + free(general_ptl.general_sub_profile_idc); > +} > + > +static int vvcc_parse_vps(GetBitContext *gb, > + VVCDecoderConfigurationRecord *vvcc) > +{ > + unsigned int vps_max_layers_minus1; > + unsigned int vps_max_sub_layers_minus1; > + unsigned int vps_default_ptl_dpb_hrd_max_tid_flag; > + unsigned int vps_all_independant_layer_flag; > + unsigned int vps_each_layer_is_an_ols_flag; > + unsigned int vps_ols_mode_idc; > + in FFmpeg, the indent size is 4 > + unsigned int *vps_pt_present_flag; > + unsigned int *vps_ptl_max_tid; > + unsigned int vps_num_ptls_minus1 = 0; > + > + > + /* > + * vps_video_parameter_set_id u(4) > + */ > + skip_bits(gb, 4); > + > + vps_max_layers_minus1 = get_bits(gb, 6); > + vps_max_sub_layers_minus1 = get_bits(gb, 3); > + > + /* > + * numTemporalLayers greater than 1 indicates that the stream to which this > + * configuration record applies is temporally scalable and the contained > + * number of temporal layers (also referred to as temporal sub-layer or > + * sub-layer in ISO/IEC 23008-2) is equal to numTemporalLayers. Value 1 > + * indicates that the stream is not temporally scalable. Value 0 indicates > + * that it is unknown whether the stream is temporally scalable. > + */ > + vvcc->num_sublayers = FFMAX(vvcc->num_sublayers, > + vps_max_sub_layers_minus1 + 1); > + > + > + if(vps_max_layers_minus1 > 0 && vps_max_sub_layers_minus1 > 0) > + vps_default_ptl_dpb_hrd_max_tid_flag = get_bits1(gb); //vps_default_ptl_dpb_hrd_max_tid_flags > + if(vps_max_layers_minus1 > 0) > + vps_all_independant_layer_flag = get_bits1(gb); > + > + for(int i =0; i <= vps_max_layers_minus1; i++) { > + skip_bits(gb, 6); //vps_default_ptl_dpb_hrd_max_tid_flagsvps_layer_id[i] > + if(i > 0 && !vps_all_independant_layer_flag) { > + if(get_bits1(gb)) { // vps_independant_layer_flag > + unsigned int vps_max_tid_ref_present_flag = get_bits1(gb); > + for (int j =0; j<i; j++) { > + if(vps_max_tid_ref_present_flag && get_bits1(gb)) // vps_direct_ref_layer_flag[i][j] > + skip_bits(gb, 3); //vps_max_tid_il_ref_pics_plus1 > + } > + } > + } > + } > + > + if(vps_max_layers_minus1 > 0) { > + if(vps_all_independant_layer_flag) > + vps_each_layer_is_an_ols_flag = get_bits1(gb); > + if(vps_each_layer_is_an_ols_flag) { > + if(!vps_all_independant_layer_flag) > + vps_ols_mode_idc = get_bits(gb, 2); > + if(vps_ols_mode_idc == 2) { > + unsigned int vps_num_output_layer_sets_minus2 = get_bits(gb, 8); > + for( int i = 1; i <= vps_num_output_layer_sets_minus2 +1; i++) { > + for( int j = 0; j <= vps_max_layers_minus1; j++) { > + skip_bits1(gb); > + } > + } > + } > + } > + vps_num_ptls_minus1 = get_bits(gb, 8); > + } > + > + vps_pt_present_flag = (unsigned int *) malloc(sizeof(unsigned int) * (vps_num_ptls_minus1+1)); > + vps_ptl_max_tid = (unsigned int *) malloc(sizeof(unsigned int) * (vps_num_ptls_minus1+1)); > + for(int i = 0; i <= vps_num_ptls_minus1; i++) { > + if(i>0) > + vps_pt_present_flag[i] = get_bits1(gb); > + if(!vps_default_ptl_dpb_hrd_max_tid_flag) > + vps_ptl_max_tid[i] = get_bits(gb, 3); > + } > + > + while(gb->index%8 != 0) > + skip_bits1(gb); > + > + for(int i = 0; i <= vps_num_ptls_minus1; i++) { > + vvcc_parse_ptl(gb, vvcc, vps_pt_present_flag[i], vps_ptl_max_tid[i]); > + } > + > + free(vps_pt_present_flag); > + free(vps_ptl_max_tid); > + > + /* nothing useful for vvcc past this point */ > + return 0; > +} > + > +static int vvcc_parse_sps(GetBitContext *gb, > + VVCDecoderConfigurationRecord *vvcc) > +{ > + unsigned int sps_max_sub_layers_minus1, log2_ctu_size_minus5; > + //unsigned int num_short_term_ref_pic_sets, num_delta_pocs[VVC_MAX_REF_PIC_LISTS]; > + //unsigned int sps_chroma_format_idc; > + unsigned int sps_subpic_same_size_flag, sps_pic_height_max_in_luma_sample, sps_pic_width_max_in_luma_sample; > + unsigned int sps_independant_subpics_flag; > + unsigned int flag; > + > + skip_bits(gb, 8); // sps_seq_parameter_set_id && sps_video_parameter_set_id > + sps_max_sub_layers_minus1 = get_bits (gb, 3); > + > + /* > + * numTemporalLayers greater than 1 indicates that the stream to which this > + * configuration record applies is temporally scalable and the contained > + * number of temporal layers (also referred to as temporal sub-layer or > + * sub-layer in ISO/IEC 23008-2) is equal to numTemporalLayers. Value 1 > + * indicates that the stream is not temporally scalable. Value 0 indicates > + * that it is unknown whether the stream is temporally scalable. > + */ > + vvcc->num_sublayers = FFMAX(vvcc->num_sublayers, > + sps_max_sub_layers_minus1 + 1); > + > + vvcc->chroma_format_idc = get_bits(gb, 2); > + log2_ctu_size_minus5 = get_bits(gb, 2); > + > + if(get_bits1(gb)) //sps_ptl_dpb_hrd_params_present_flag > + vvcc_parse_ptl(gb, vvcc, 1, sps_max_sub_layers_minus1); > + > + flag = get_bits(gb, 1); //skip_bits1(gb); //sps_gdr_enabled_flag > + flag = get_bits(gb, 1); //sps_ref_pic_resampling_enabled_flag > + if(flag){ //sps_ref_pic_resampling_enabled_flag > + flag = get_bits(gb, 1); //skip_bits1(gb); //sps_res_change_in_clvs_allowed_flag > + } > + > + sps_pic_width_max_in_luma_sample = get_ue_golomb_long(gb); > + vvcc->max_picture_width = FFMAX(vvcc->max_picture_width , sps_pic_width_max_in_luma_sample); > + sps_pic_height_max_in_luma_sample= get_ue_golomb_long(gb); > + vvcc->max_picture_height = FFMAX(vvcc->max_picture_height , sps_pic_height_max_in_luma_sample); > + > + if(get_bits1(gb)) { > + get_ue_golomb_long(gb); // sps_conf_win_left_offset > + get_ue_golomb_long(gb); // sps_conf_win_right_offset > + get_ue_golomb_long(gb); // sps_conf_win_top_offset > + get_ue_golomb_long(gb); // sps_conf_win_bottom_offset > + } > + > + if(get_bits1(gb)) { // sps_subpic_info_present_flag > + unsigned int sps_num_subpics_minus1 = get_ue_golomb_long(gb); > + if(sps_num_subpics_minus1 > 0) { // sps_num_subpics_minus1 > + sps_independant_subpics_flag = get_bits1(gb); > + sps_subpic_same_size_flag = get_bits1(gb); > + } > + for(int i = 0; sps_num_subpics_minus1 > 0 && i <= sps_num_subpics_minus1; i++) { > + if(!sps_subpic_same_size_flag || i == 0) { > + int len = FFMIN(log2_ctu_size_minus5 +5, 16); > + if(i > 0 && sps_pic_width_max_in_luma_sample > 128) > + skip_bits(gb, len); > + if(i > 0 && sps_pic_height_max_in_luma_sample > 128) > + skip_bits(gb, len); > + if(i < sps_num_subpics_minus1 && sps_pic_width_max_in_luma_sample > 128) > + skip_bits(gb, len); > + if(i < sps_num_subpics_minus1 && sps_pic_height_max_in_luma_sample > 128) > + skip_bits(gb, len); > + } > + if(!sps_independant_subpics_flag) { > + skip_bits(gb, 2); // sps_subpic_treated_as_pic_flag && sps_loop_filter_across_subpic_enabled_flag > + } > + } > + get_ue_golomb_long(gb); // sps_subpic_id_len_minus1 > + if(get_bits1(gb)) { // sps_subpic_id_mapping_explicitly_signalled_flag > + if(get_bits1(gb)) // sps_subpic_id_mapping_present_flag > + for(int i = 0; i <= sps_num_subpics_minus1; i++) { > + skip_bits1(gb); // sps_subpic_id[i] > + } > + } > + } > + vvcc->bit_depth_minus8 = get_ue_golomb_long(gb); > + > + /* nothing useful for vvcc past this point */ > + return 0; > +} > + > +static int vvcc_parse_pps(GetBitContext *gb, > + VVCDecoderConfigurationRecord *vvcc) > +{ > + > + // Nothing of importance to parse in PPS > + /* nothing useful for vvcc past this point */ > + return 0; > +} > + > +static void nal_unit_parse_header(GetBitContext *gb, uint8_t *nal_type) > +{ > + /* > + * forbidden_zero_bit u(1) > + * nuh_reserved_zero_bit u(1) > + * nuh_layer_id u(6) > + */ > + skip_bits(gb, 8); > + *nal_type = get_bits(gb, 5); > + > + /* > + * nuh_temporal_id_plus1 u(3) > + */ > + skip_bits(gb, 3); > +} > + > +static int vvcc_array_add_nal_unit(uint8_t *nal_buf, uint32_t nal_size, > + uint8_t nal_type, int ps_array_completeness, > + VVCDecoderConfigurationRecord *vvcc) > +{ > + int ret; > + uint8_t index; > + uint16_t num_nalus; > + VVCCNALUnitArray *array; > + > + for (index = 0; index < vvcc->num_of_arrays; index++) > + if (vvcc->array[index].NAL_unit_type == nal_type) > + break; > + > + if (index >= vvcc->num_of_arrays) { > + uint8_t i; > + > + ret = av_reallocp_array(&vvcc->array, index + 1, sizeof(VVCCNALUnitArray)); > + if (ret < 0) > + return ret; > + > + for (i = vvcc->num_of_arrays; i <= index; i++) > + memset(&vvcc->array[i], 0, sizeof(VVCCNALUnitArray)); > + vvcc->num_of_arrays = index + 1; > + } > + > + array = &vvcc->array[index]; > + num_nalus = array->num_nalus; > + > + ret = av_reallocp_array(&array->nal_unit, num_nalus + 1, sizeof(uint8_t*)); > + if (ret < 0) > + return ret; > + > + ret = av_reallocp_array(&array->nal_unit_length, num_nalus + 1, sizeof(uint16_t)); > + if (ret < 0) > + return ret; > + > + array->nal_unit [num_nalus] = nal_buf; > + array->nal_unit_length[num_nalus] = nal_size; > + array->NAL_unit_type = nal_type; > + array->num_nalus++; > + > + /* > + * When the sample entry name is ‘vvc1’, the default and mandatory value of > + * array_completeness is 1 for arrays of all types of parameter sets, and 0 > + * for all other arrays. When the sample entry name is ‘hev1’, the default > + * value of array_completeness is 0 for all arrays. > + */ > + if (nal_type == VVC_VPS_NUT || nal_type == VVC_SPS_NUT || nal_type == VVC_PPS_NUT) > + array->array_completeness = ps_array_completeness; > + > + return 0; > +} > + > +static int vvcc_add_nal_unit(uint8_t *nal_buf, uint32_t nal_size, > + int ps_array_completeness, > + VVCDecoderConfigurationRecord *vvcc) > +{ > + int ret = 0; > + GetBitContext gbc; > + uint8_t nal_type; > + uint8_t *rbsp_buf; > + uint32_t rbsp_size; > + > + rbsp_buf = ff_nal_unit_extract_rbsp(nal_buf, nal_size, &rbsp_size, 2); > + if (!rbsp_buf) { > + ret = AVERROR(ENOMEM); > + goto end; > + } > + > + ret = init_get_bits8(&gbc, rbsp_buf, rbsp_size); > + if (ret < 0) > + goto end; > + > + nal_unit_parse_header(&gbc, &nal_type); > + > + /* > + * Note: only 'declarative' SEI messages are allowed in > + * vvcc. Perhaps the SEI playload type should be checked > + * and non-declarative SEI messages discarded? > + */ > + switch (nal_type) { > + case VVC_OPI_NUT: > + case VVC_VPS_NUT: > + case VVC_SPS_NUT: > + case VVC_PPS_NUT: > + case VVC_PREFIX_SEI_NUT: > + case VVC_SUFFIX_SEI_NUT: > + ret = vvcc_array_add_nal_unit(nal_buf, nal_size, nal_type, > + ps_array_completeness, vvcc); > + if (ret < 0) > + goto end; > + else if (nal_type == VVC_VPS_NUT) > + ret = vvcc_parse_vps(&gbc, vvcc); > + else if (nal_type == VVC_SPS_NUT) > + ret = vvcc_parse_sps(&gbc, vvcc); > + else if (nal_type == VVC_PPS_NUT) > + ret = vvcc_parse_pps(&gbc, vvcc); > + else if (nal_type == VVC_OPI_NUT) { > + // not yet supported > + } > + if (ret < 0) > + goto end; > + break; > + default: > + ret = AVERROR_INVALIDDATA; > + goto end; > + } > + > +end: > + av_free(rbsp_buf); > + return ret; > +} > + > +static void vvcc_init(VVCDecoderConfigurationRecord *vvcc) > +{ > + memset(vvcc, 0, sizeof(VVCDecoderConfigurationRecord)); > + vvcc->lengthSizeMinusOne = 3; // 4 bytes > + > + vvcc->ptl.num_bytes_constraint_info = 1; > + > + vvcc->ptl_present_flag = 1; > +} > + > +static void vvcc_close(VVCDecoderConfigurationRecord *vvcc) > +{ > + uint8_t i; > + > + for (i = 0; i < vvcc->num_of_arrays; i++) { > + vvcc->array[i].num_nalus = 0; > + av_freep(&vvcc->array[i].nal_unit); > + av_freep(&vvcc->array[i].nal_unit_length); > + } > + > + free(vvcc->ptl.ptl_sublayer_level_present_flag); > + free(vvcc->ptl.sublayer_level_idc); > + free(vvcc->ptl.general_sub_profile_idc); > + > + vvcc->num_of_arrays = 0; > + av_freep(&vvcc->array); > +} > + > +static int vvcc_write(AVIOContext *pb, VVCDecoderConfigurationRecord *vvcc) > +{ > + uint8_t i; > + uint16_t j, vps_count = 0, sps_count = 0, pps_count = 0; > + unsigned char *buf = NULL; > + /* > + * It's unclear how to properly compute these fields, so > + * let's always set them to values meaning 'unspecified'. > + */ > + vvcc->avg_frame_rate = 0; > + vvcc->constant_frame_rate = 1; > + > + av_log(NULL, AV_LOG_TRACE, "lengthSizeMinusOne: %"PRIu8"\n", > + vvcc->lengthSizeMinusOne); > + av_log(NULL, AV_LOG_TRACE, "ptl_present_flag: %"PRIu8"\n", > + vvcc->ptl_present_flag); > + av_log(NULL, AV_LOG_TRACE, "ols_idx: %"PRIu16"\n", > + vvcc->ols_idx); > + av_log(NULL, AV_LOG_TRACE, "num_sublayers: %"PRIu8"\n", > + vvcc->num_sublayers); > + av_log(NULL, AV_LOG_TRACE, "constant_frame_rate: %"PRIu8"\n", > + vvcc->constant_frame_rate); > + av_log(NULL, AV_LOG_TRACE, "chroma_format_idc: %"PRIu8"\n", > + vvcc->chroma_format_idc); > + > + av_log(NULL, AV_LOG_TRACE, "bit_depth_minus8: %"PRIu8"\n", > + vvcc->bit_depth_minus8); > + av_log(NULL, AV_LOG_TRACE, "num_bytes_constraint_info: %"PRIu8"\n", > + vvcc->ptl.num_bytes_constraint_info); > + av_log(NULL, AV_LOG_TRACE, "general_profile_idc: %"PRIu8"\n", > + vvcc->ptl.general_profile_idc); > + av_log(NULL, AV_LOG_TRACE, "general_tier_flag: %"PRIu8"\n", > + vvcc->ptl.general_tier_flag); > + av_log(NULL, AV_LOG_TRACE, "general_level_idc: %"PRIu8"\n", > + vvcc->ptl.general_level_idc); > + av_log(NULL, AV_LOG_TRACE, "ptl_frame_only_constraint_flag: %"PRIu8"\n", > + vvcc->ptl.ptl_frame_only_constraint_flag); > + av_log(NULL, AV_LOG_TRACE, "ptl_multilayer_enabled_flag: %"PRIu8"\n", > + vvcc->ptl.ptl_multilayer_enabled_flag); > + for (i = 0; i < vvcc->ptl.num_bytes_constraint_info; i++) { > + av_log(NULL, AV_LOG_TRACE, "general_constraint_info[%d]: %"PRIu8"\n", > + i, vvcc->ptl.general_constraint_info[i]); > + } > + > + for (i = 0; i < vvcc->num_sublayers-1; i++) { > + av_log(NULL, AV_LOG_TRACE, "ptl_sublayer_level_present_flag[%"PRIu8"]: %"PRIu8"\n", > + i, vvcc->ptl.ptl_sublayer_level_present_flag[i]); > + av_log(NULL, AV_LOG_TRACE, "sublayer_level_idc[%"PRIu8"]: %"PRIu8"\n", > + i, vvcc->ptl.sublayer_level_idc[i]); > + } > + > + av_log(NULL, AV_LOG_TRACE, "num_sub_profiles: %"PRIu8"\n", > + vvcc->ptl.ptl_num_sub_profiles); > + > + for (i = 0; i < vvcc->ptl.ptl_num_sub_profiles; i++) { > + av_log(NULL, AV_LOG_TRACE, "general_sub_profile_idc[%"PRIu8"]: %"PRIx32"\n", > + i, vvcc->ptl.general_sub_profile_idc[i]); > + } > + > + av_log(NULL, AV_LOG_TRACE, "max_picture_width: %"PRIu16"\n", > + vvcc->max_picture_width); > + av_log(NULL, AV_LOG_TRACE, "max_picture_height: %"PRIu16"\n", > + vvcc->max_picture_height); > + av_log(NULL, AV_LOG_TRACE, "avg_frame_rate: %"PRIu16"\n", > + vvcc->avg_frame_rate); > + > + av_log(NULL, AV_LOG_TRACE, "num_of_arrays: %"PRIu8"\n", > + vvcc->num_of_arrays); > + for (i = 0; i < vvcc->num_of_arrays; i++) { > + av_log(NULL, AV_LOG_TRACE, "array_completeness[%"PRIu8"]: %"PRIu8"\n", > + i, vvcc->array[i].array_completeness); > + av_log(NULL, AV_LOG_TRACE, "NAL_unit_type[%"PRIu8"]: %"PRIu8"\n", > + i, vvcc->array[i].NAL_unit_type); > + av_log(NULL, AV_LOG_TRACE, "num_nalus[%"PRIu8"]: %"PRIu16"\n", > + i, vvcc->array[i].num_nalus); > + for (j = 0; j < vvcc->array[i].num_nalus; j++) > + av_log(NULL, AV_LOG_TRACE, > + "nal_unit_length[%"PRIu8"][%"PRIu16"]: %"PRIu16"\n", > + i, j, vvcc->array[i].nal_unit_length[j]); > + } > + > + /* > + * We need at least one of each: VPS and SPS. > + */ > + for (i = 0; i < vvcc->num_of_arrays; i++) > + switch (vvcc->array[i].NAL_unit_type) { > + case VVC_VPS_NUT: > + vps_count += vvcc->array[i].num_nalus; > + break; > + case VVC_SPS_NUT: > + sps_count += vvcc->array[i].num_nalus; > + break; > + case VVC_PPS_NUT: > + pps_count += vvcc->array[i].num_nalus; > + break; > + default: > + break; > + } > + > + if (!sps_count || sps_count > VVC_MAX_SPS_COUNT) > + return AVERROR_INVALIDDATA; > + > + /* bit(5) reserved = ‘11111’b; > + unsigned int (2) LengthSizeMinusOne > + unsigned int (1) ptl_present_flag */ > + avio_w8(pb, vvcc->lengthSizeMinusOne << 1 | vvcc->ptl_present_flag | 0xf8); > + > + if(vvcc->ptl_present_flag) { > + /* > + * unsigned int(9) ols_idx; > + * unsigned int(3) num_sublayers; > + * unsigned int(2) constant_frame_rate; > + * unsigned int(2) chroma_format_idc; */ > + avio_wb16(pb, vvcc->ols_idx << 7 | vvcc->num_sublayers << 4 | vvcc->constant_frame_rate << 2 | vvcc->chroma_format_idc); > + > + /* unsigned int(3) bit_depth_minus8; > + bit(5) reserved = ‘11111’b;*/ > + avio_w8(pb, vvcc->bit_depth_minus8 << 5 | 0x1f); > + > + //VVCPTLRecord > + > + /* bit(2) reserved = ‘00’b; > + unsigned int (6) num_bytes_constraint_info */ > + avio_w8(pb, vvcc->ptl.num_bytes_constraint_info & 0x3f); > + > + /* unsigned int (7) general_profile_idc > + unsigned int (1) general_tier_flag */ > + avio_w8(pb, vvcc->ptl.general_profile_idc << 1 | vvcc->ptl.general_tier_flag); > + > + /* unsigned int (8) general_level_idc */ > + avio_w8(pb, vvcc->ptl.general_level_idc); > + > + /* > + * unsigned int (1) ptl_frame_only_constraint_flag > + * unsigned int (1) ptl_multilayer_enabled_flag > + * unsigned int (8*num_bytes_constraint_info -2) general_constraint_info */ > + buf = (unsigned char *) malloc(sizeof(unsigned char) * vvcc->ptl.num_bytes_constraint_info); > + *buf = vvcc->ptl.ptl_frame_only_constraint_flag << vvcc->ptl.num_bytes_constraint_info*8-1 | vvcc->ptl.ptl_multilayer_enabled_flag << vvcc->ptl.num_bytes_constraint_info*8-2 | *vvcc->ptl.general_constraint_info >> 2; > + avio_write(pb, buf, vvcc->ptl.num_bytes_constraint_info); > + free(buf); > + > + if(vvcc->num_sublayers > 1) { > + uint8_t ptl_sublayer_level_present_flags = 0; > + for(int i = vvcc->num_sublayers -2; i >= 0; i--) { > + ptl_sublayer_level_present_flags = (ptl_sublayer_level_present_flags << 1 | vvcc->ptl.ptl_sublayer_level_present_flag[i]); > + } > + avio_w8(pb, ptl_sublayer_level_present_flags); > + } > + > + for(int i = vvcc->num_sublayers -2; i >= 0; i--) { > + if(vvcc->ptl.ptl_sublayer_level_present_flag[i]) > + avio_w8(pb, vvcc->ptl.sublayer_level_idc[i]); > + } > + > + /* unsigned int(8) num_sub_profiles; */ > + avio_w8(pb, vvcc->ptl.ptl_num_sub_profiles); > + > + for(int j = 0; j < vvcc->ptl.ptl_num_sub_profiles; j++) { > + /* unsigned int(32) general_sub_profile_idc[j]; */ > + avio_wb32(pb, vvcc->ptl.general_sub_profile_idc[j]); > + } > + > + //End of VvcPTLRecord > + > + /* > + * unsigned int(16) max_picture_width;*/ > + avio_wb16(pb, vvcc->max_picture_width); > + > + /* > + * unsigned int(16) max_picture_height;*/ > + avio_wb16(pb, vvcc->max_picture_height); > + > + /* > + * unsigned int(16) avg_frame_rate; */ > + avio_wb16(pb, vvcc->avg_frame_rate); > + } > + > + /* unsigned int(8) num_of_arrays; */ > + avio_w8(pb, vvcc->num_of_arrays); > + > + for (i = 0; i < vvcc->num_of_arrays; i++) { > + /* > + * bit(1) array_completeness; > + * unsigned int(2) reserved = 0; > + * unsigned int(5) NAL_unit_type; > + */ > + avio_w8(pb, vvcc->array[i].array_completeness << 7 | > + vvcc->array[i].NAL_unit_type & 0x1f); > + /* unsigned int(16) num_nalus; */ > + if(vvcc->array[i].NAL_unit_type != VVC_DCI_NUT && vvcc->array[i].NAL_unit_type != VVC_OPI_NUT) > + avio_wb16(pb, vvcc->array[i].num_nalus); > + for (j = 0; j < vvcc->array[i].num_nalus; j++) { > + /* unsigned int(16) nal_unit_length; */ > + avio_wb16(pb, vvcc->array[i].nal_unit_length[j]); > + > + /* bit(8*nal_unit_length) nal_unit; */ > + avio_write(pb, vvcc->array[i].nal_unit[j], vvcc->array[i].nal_unit_length[j]); > + } > + } > + > + return 0; > +} > + > +int ff_vvc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, > + int size, int filter_ps, int *ps_count) > +{ > + int num_ps = 0, ret = 0; > + uint8_t *buf, *end, *start = NULL; > + > + if (!filter_ps) { > + ret = ff_avc_parse_nal_units(pb, buf_in, size); > + goto end; > + } > + > + ret = ff_avc_parse_nal_units_buf(buf_in, &start, &size); > + if (ret < 0) > + goto end; > + > + ret = 0; > + buf = start; > + end = start + size; > + > + while (end - buf > 4) { > + uint32_t len = FFMIN(AV_RB32(buf), end - buf - 4); > + uint8_t type = (buf[5] >> 3); > + > + buf += 4; > + > + switch (type) { > + case VVC_VPS_NUT: > + case VVC_SPS_NUT: > + case VVC_PPS_NUT: > + num_ps++; > + break; > + default: > + ret += 4 + len; > + avio_wb32(pb, len); > + avio_write(pb, buf, len); > + break; > + } > + > + buf += len; > + } > + > +end: > + av_free(start); > + if (ps_count) > + *ps_count = num_ps; > + return ret; > +} > + > +int ff_vvc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, > + int *size, int filter_ps, int *ps_count) > +{ > + AVIOContext *pb; > + int ret; > + > + ret = avio_open_dyn_buf(&pb); > + if (ret < 0) > + return ret; > + > + ret = ff_vvc_annexb2mp4(pb, buf_in, *size, filter_ps, ps_count); > + if (ret < 0) { > + ffio_free_dyn_buf(&pb); > + return ret; > + } > + > + *size = avio_close_dyn_buf(pb, buf_out); > + > + return 0; > +} > + > +int ff_isom_write_vvcc(AVIOContext *pb, const uint8_t *data, > + int size, int ps_array_completeness) > +{ > + VVCDecoderConfigurationRecord vvcc; > + uint8_t *buf, *end, *start; > + int ret; > + > + if (size < 6) { > + /* We can't write a valid vvcc from the provided data */ > + return AVERROR_INVALIDDATA; > + } else if (*data == 1) { > + /* Data is already vvcc-formatted */ > + avio_write(pb, data, size); > + return 0; > + } else if (!(AV_RB24(data) == 1 || AV_RB32(data) == 1)) { > + /* Not a valid Annex B start code prefix */ > + return AVERROR_INVALIDDATA; > + } > + > + ret = ff_avc_parse_nal_units_buf(data, &start, &size); > + if (ret < 0) > + return ret; > + > + vvcc_init(&vvcc); > + > + buf = start; > + end = start + size; > + > + while (end - buf > 4) { > + uint32_t len = FFMIN(AV_RB32(buf), end - buf - 4); > + uint8_t type = (buf[5] >> 3); > + > + buf += 4; > + > + switch (type) { > + case VVC_OPI_NUT: > + case VVC_VPS_NUT: > + case VVC_SPS_NUT: > + case VVC_PPS_NUT: > + case VVC_PREFIX_SEI_NUT: > + case VVC_SUFFIX_SEI_NUT: > + ret = vvcc_add_nal_unit(buf, len, ps_array_completeness, &vvcc); > + if (ret < 0) > + goto end; > + break; > + default: > + break; > + } > + > + buf += len; > + } > + > + ret = vvcc_write(pb, &vvcc); > + > +end: > + vvcc_close(&vvcc); > + av_free(start); > + return ret; > +} > diff --git a/libavformat/vvc.h b/libavformat/vvc.h > new file mode 100644 > index 0000000000..cdf4f6d3f5 > --- /dev/null > +++ b/libavformat/vvc.h > @@ -0,0 +1,99 @@ > +/* > + * VVC helper functions for muxers > + * > + * 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 > + */ > + > +/** > + * @file > + * internal header for VVC (de)muxer utilities > + */ > + > +#ifndef AVFORMAT_VVC_H > +#define AVFORMAT_VVC_H > + > +#include <stdint.h> > +#include "avio.h" > + > +/** > + * Writes Annex B formatted VVC NAL units to the provided AVIOContext. > + * > + * The NAL units are converted to an MP4-compatible format (start code prefixes > + * are replaced by 4-byte size fields, as per ISO/IEC 14496-15). > + * > + * If filter_ps is non-zero, any VVC parameter sets found in the input will be > + * discarded, and *ps_count will be set to the number of discarded PS NAL units. > + * > + * @param pb address of the AVIOContext where the data shall be written > + * @param buf_in address of the buffer holding the input data > + * @param size size (in bytes) of the input buffer > + * @param filter_ps whether to write parameter set NAL units to the output (0) > + * or to discard them (non-zero) > + * @param ps_count address of the variable where the number of discarded > + * parameter set NAL units shall be written, may be NULL > + * @return the amount (in bytes) of data written in case of success, a negative > + * value corresponding to an AVERROR code in case of failure > + */ > +int ff_vvc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, > + int size, int filter_ps, int *ps_count); > + > +/** > + * Writes Annex B formatted VVC NAL units to a data buffer. > + * > + * The NAL units are converted to an MP4-compatible format (start code prefixes > + * are replaced by 4-byte size fields, as per ISO/IEC 14496-15). > + * > + * If filter_ps is non-zero, any VVC parameter sets found in the input will be > + * discarded, and *ps_count will be set to the number of discarded PS NAL units. > + * > + * On success, *size holds the size (in bytes) of the output data buffer. > + * > + * @param buf_in address of the buffer holding the input data > + * @param size address of the variable holding the size (in bytes) of the input > + * buffer (on input) and of the output buffer (on success) > + * @param buf_out on success, address of the variable holding the address of > + * the output buffer > + * @param filter_ps whether to write parameter set NAL units to the output (0) > + * or to discard them (non-zero) > + * @param ps_count address of the variable where the number of discarded > + * parameter set NAL units shall be written, may be NULL > + * @return 0 in case of success, a negative value corresponding to an AVERROR > + * code in case of failure > + * @note *buf_out will be treated as uninitialized on input and won't be freed. > + */ > +int ff_vvc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, > + int *size, int filter_ps, int *ps_count); > + > +/** > + * Writes VVC extradata (parameter sets, declarative SEI NAL units) to the > + * provided AVIOContext. > + * > + * If the extradata is Annex B format, it gets converted to vvcC format before > + * writing. > + * > + * @param pb address of the AVIOContext where the vvcC shall be written > + * @param data address of the buffer holding the data needed to write the vvcC > + * @param size size (in bytes) of the data buffer > + * @param ps_array_completeness whether all parameter sets are in the vvcC (1) > + * or there may be additional parameter sets in the bitstream (0) > + * @return >=0 in case of success, a negative value corresponding to an AVERROR > + * code in case of failure > + */ > +int ff_isom_write_vvcc(AVIOContext *pb, const uint8_t *data, > + int size, int ps_array_completeness); > + > +#endif /* AVFORMAT_VVC_H */ > diff --git a/libavformat/vvcdec.c b/libavformat/vvcdec.c > new file mode 100644 > index 0000000000..304f900966 > --- /dev/null > +++ b/libavformat/vvcdec.c > @@ -0,0 +1,61 @@ > +/* > + * RAW VVC video demuxer > + * Copyright (c) 2020 Nuo Mi <nuomi2021@gmail.com> > + * > + * 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 > + */ > + > +#include "libavcodec/vvc.h" > + > +#include "avformat.h" > +#include "rawdec.h" > + > +static int vvc_probe(const AVProbeData *p) > +{ > + uint32_t code = -1; > + int sps = 0, pps = 0, irap = 0; > + int i; > + > + for (i = 0; i < p->buf_size - 1; i++) { > + code = (code << 8) + p->buf[i]; > + if ((code & 0xffffff00) == 0x100) { > + uint8_t nal2 = p->buf[i + 1]; > + int type = (nal2 & 0xF8) >> 3; > + > + if (code & 0x80) // forbidden_zero_bit > + return 0; > + > + if ((nal2 & 0x7) == 0) // nuh_temporal_id_plus1 > + return 0; > + > + switch (type) { > + case VVC_SPS_NUT: sps++; break; > + case VVC_PPS_NUT: pps++; break; > + case VVC_IDR_N_LP: > + case VVC_IDR_W_RADL: > + case VVC_CRA_NUT: > + case VVC_GDR_NUT: irap++; break; > + } > + } > + } > + > + if (sps && pps && irap) > + return AVPROBE_SCORE_EXTENSION + 1; // 1 more than .mpg > + return 0; > +} > + > +FF_DEF_RAWVIDEO_DEMUXER(vvc, "raw VVC video", vvc_probe, "h266,266,vvc", AV_CODEC_ID_VVC) > -- > 2.25.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
On Mon, 7 Nov 2022 at 03:28, mypopy@gmail.com <mypopy@gmail.com> wrote: > On Thu, Nov 3, 2022 at 8:23 PM Thomas Siedel <thomas.ff@spin-digital.com> > wrote: > > > > Add demuxer to probe raw vvc and parse vvcc byte stream format. > > > > Signed-off-by: Thomas Siedel <thomas.ff@spin-digital.com> > > --- > > libavformat/Makefile | 1 + > > libavformat/allformats.c | 1 + > > libavformat/demux.c | 7 +- > > libavformat/vvc.c | 919 +++++++++++++++++++++++++++++++++++++++ > > libavformat/vvc.h | 99 +++++ > > libavformat/vvcdec.c | 61 +++ > > 6 files changed, 1086 insertions(+), 2 deletions(-) > > create mode 100644 libavformat/vvc.c > > create mode 100644 libavformat/vvc.h > > create mode 100644 libavformat/vvcdec.c > > > > diff --git a/libavformat/Makefile b/libavformat/Makefile > > index d7f198bf39..00ab4ded89 100644 > > --- a/libavformat/Makefile > > +++ b/libavformat/Makefile > > @@ -595,6 +595,7 @@ OBJS-$(CONFIG_VOC_MUXER) += vocenc.o > voc.o > > OBJS-$(CONFIG_VPK_DEMUXER) += vpk.o > > OBJS-$(CONFIG_VPLAYER_DEMUXER) += vplayerdec.o subtitles.o > > OBJS-$(CONFIG_VQF_DEMUXER) += vqf.o > > +OBJS-$(CONFIG_VVC_DEMUXER) += vvcdec.o rawdec.o > > OBJS-$(CONFIG_W64_DEMUXER) += wavdec.o w64.o pcm.o > > OBJS-$(CONFIG_W64_MUXER) += wavenc.o w64.o > > OBJS-$(CONFIG_WAV_DEMUXER) += wavdec.o pcm.o > > diff --git a/libavformat/allformats.c b/libavformat/allformats.c > > index 47c419a009..a4e3822681 100644 > > --- a/libavformat/allformats.c > > +++ b/libavformat/allformats.c > > @@ -474,6 +474,7 @@ extern const AVOutputFormat ff_voc_muxer; > > extern const AVInputFormat ff_vpk_demuxer; > > extern const AVInputFormat ff_vplayer_demuxer; > > extern const AVInputFormat ff_vqf_demuxer; > > +extern const AVInputFormat ff_vvc_demuxer; > > extern const AVInputFormat ff_w64_demuxer; > > extern const AVOutputFormat ff_w64_muxer; > > extern const AVInputFormat ff_wav_demuxer; > > diff --git a/libavformat/demux.c b/libavformat/demux.c > > index 2dfd82a63c..8dbde23fcd 100644 > > --- a/libavformat/demux.c > > +++ b/libavformat/demux.c > > @@ -120,6 +120,7 @@ static int set_codec_from_probe_data(AVFormatContext > *s, AVStream *st, > > { "mp3", AV_CODEC_ID_MP3, AVMEDIA_TYPE_AUDIO > }, > > { "mpegvideo", AV_CODEC_ID_MPEG2VIDEO, AVMEDIA_TYPE_VIDEO > }, > > { "truehd", AV_CODEC_ID_TRUEHD, AVMEDIA_TYPE_AUDIO > }, > > + { "vvc", AV_CODEC_ID_VVC, AVMEDIA_TYPE_VIDEO > }, > > { 0 } > > }; > > int score; > > @@ -743,7 +744,8 @@ static int64_t select_from_pts_buffer(AVStream *st, > int64_t *pts_buffer, int64_t > > { > > FFStream *const sti = ffstream(st); > > int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && > > - st->codecpar->codec_id != AV_CODEC_ID_HEVC; > > + st->codecpar->codec_id != AV_CODEC_ID_HEVC && > > + st->codecpar->codec_id != AV_CODEC_ID_VVC; > > > > if (!onein_oneout) { > > int delay = sti->avctx->has_b_frames; > > @@ -933,7 +935,8 @@ static void compute_pkt_fields(AVFormatContext *s, > AVStream *st, > > int64_t offset; > > AVRational duration; > > int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && > > - st->codecpar->codec_id != AV_CODEC_ID_HEVC; > > + st->codecpar->codec_id != AV_CODEC_ID_HEVC && > > + st->codecpar->codec_id != AV_CODEC_ID_VVC; > > > > if (s->flags & AVFMT_FLAG_NOFILLIN) > > return; > > diff --git a/libavformat/vvc.c b/libavformat/vvc.c > > new file mode 100644 > > index 0000000000..b27a522009 > > --- /dev/null > > +++ b/libavformat/vvc.c > > @@ -0,0 +1,919 @@ > > +/* > > + * VVC helper functions for muxers > > + * > > + * Copyright (C) 2022, Thomas Siedel > > + * > > + * 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 > > + */ > > + > > +#include "libavcodec/get_bits.h" > > +#include "libavcodec/golomb.h" > > +#include "libavcodec/vvc.h" > > +#include "libavutil/intreadwrite.h" > > +#include "avc.h" > > +#include "avio.h" > > +#include "avio_internal.h" > > +#include "vvc.h" > > + > > +typedef struct VVCCNALUnitArray { > > + uint8_t array_completeness; > > + uint8_t NAL_unit_type; > > + uint16_t num_nalus; > > + uint16_t *nal_unit_length; > > + uint8_t **nal_unit; > > +} VVCCNALUnitArray; > > + > > +typedef struct VVCPTLRecord { > > + uint8_t num_bytes_constraint_info; > > + 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; > > + uint8_t general_constraint_info[9]; > > + uint8_t *ptl_sublayer_level_present_flag; > > + uint8_t *sublayer_level_idc; > > + uint8_t ptl_num_sub_profiles; > > + uint32_t *general_sub_profile_idc; > > +} VVCPTLRecord; > > + > > +typedef struct VVCDecoderConfigurationRecord { > > + uint8_t lengthSizeMinusOne; > > + uint8_t ptl_present_flag; > > + uint16_t ols_idx; > > + uint8_t num_sublayers; > > + uint8_t constant_frame_rate; > > + uint8_t chroma_format_idc; > > + uint8_t bit_depth_minus8; > > + VVCPTLRecord ptl; > > + uint16_t max_picture_width; > > + uint16_t max_picture_height; > > + uint16_t avg_frame_rate; > > + uint8_t num_of_arrays; > > + VVCCNALUnitArray *array; > > +} VVCDecoderConfigurationRecord; > > + > > +typedef struct VVCCProfileTierLevel { > > + uint8_t profile_idc; > > + uint8_t tier_flag; > > + uint8_t general_level_idc; > > + uint8_t ptl_frame_only_constraint_flag; > > + uint8_t ptl_multilayer_enabled_flag; > > +// general_constraint_info > > + uint8_t gci_present_flag; > > + uint8_t gci_general_constraints[9]; > > + uint8_t gci_num_reserved_bits; > > +// end general_constraint_info > > + uint8_t *ptl_sublayer_level_present_flag; > > + uint8_t *sublayer_level_idc; > > + uint8_t ptl_num_sub_profiles; > > + uint32_t *general_sub_profile_idc; > > +} VVCCProfileTierLevel; > > + > > + > > +static void vvcc_update_ptl(VVCDecoderConfigurationRecord *vvcc, > > + VVCCProfileTierLevel *ptl) > > +{ > > + /* > > + * The level indication general_level_idc must indicate a level of > > + * capability equal to or greater than the highest level indicated > for the > > + * highest tier in all the parameter sets. > > + */ > > + if (vvcc->ptl.general_tier_flag < ptl->tier_flag) > > + vvcc->ptl.general_level_idc = ptl->general_level_idc; > > + else > > + vvcc->ptl.general_level_idc = > FFMAX(vvcc->ptl.general_level_idc, ptl->general_level_idc); > > + > > + /* > > + * The tier indication general_tier_flag must indicate a tier equal > to or > > + * greater than the highest tier indicated in all the parameter > sets. > > + */ > > + vvcc->ptl.general_tier_flag = FFMAX(vvcc->ptl.general_tier_flag, > ptl->tier_flag); > > + > > + /* > > + * The profile indication general_profile_idc must indicate a > profile to > > + * which the stream associated with this configuration record > conforms. > > + * > > + * If the sequence parameter sets are marked with different > profiles, then > > + * the stream may need examination to determine which profile, if > any, the > > + * entire stream conforms to. If the entire stream is not examined, > or the > > + * examination reveals that there is no profile to which the entire > stream > > + * conforms, then the entire stream must be split into two or more > > + * sub-streams with separate configuration records in which these > rules can > > + * be met. > > + * > > + * Note: set the profile to the highest value for the sake of > simplicity. > > + */ > > + vvcc->ptl.general_profile_idc = > FFMAX(vvcc->ptl.general_profile_idc, ptl->profile_idc); > > + > > + /* > > + * Each bit in flags may only be set if all > > + * the parameter sets set that bit. > > + */ > > + vvcc->ptl.ptl_frame_only_constraint_flag &= > ptl->ptl_frame_only_constraint_flag; > > + vvcc->ptl.ptl_multilayer_enabled_flag &= > ptl->ptl_multilayer_enabled_flag; > > + > > + /* > > + * Constraints Info > > + */ > > + if(ptl->gci_present_flag) { > > + vvcc->ptl.num_bytes_constraint_info = 9; > > + memcpy(&vvcc->ptl.general_constraint_info[0], > &ptl->gci_general_constraints[0], sizeof(uint8_t)*9); > > + > > + } else { > > + vvcc->ptl.num_bytes_constraint_info = 1; > > + memset(&vvcc->ptl.general_constraint_info[0], 0, > sizeof(uint8_t)*9); > > + } > > + > > + /* > > + * Each bit in flags may only be set if one of > > + * the parameter sets set that bit. > > + */ > > + vvcc->ptl.ptl_sublayer_level_present_flag = (uint8_t *) > malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); > > + vvcc->ptl.sublayer_level_idc = (uint8_t *) > malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); > > + > > + memset(vvcc->ptl.ptl_sublayer_level_present_flag, 0, > sizeof(uint8_t)*vvcc->num_sublayers-1); > > + memset(vvcc->ptl.sublayer_level_idc, 0, > sizeof(uint8_t)*vvcc->num_sublayers-1); > > + > > + for(int i = vvcc->num_sublayers - 2; i >= 0; i--) > > + { > > + vvcc->ptl.ptl_sublayer_level_present_flag[i] |= > ptl->ptl_sublayer_level_present_flag[i]; > > + if(vvcc->ptl.ptl_sublayer_level_present_flag[i]){ > > + vvcc->ptl.sublayer_level_idc[i] = > FFMAX(vvcc->ptl.sublayer_level_idc[i], ptl->sublayer_level_idc[i]); > > + } > > + else{ > > + if(i == vvcc->num_sublayers - 1){ > > + vvcc->ptl.sublayer_level_idc[i] = > vvcc->ptl.general_level_idc; > > + }else{ > > + vvcc->ptl.sublayer_level_idc[i] = > vvcc->ptl.sublayer_level_idc[i+1]; > > + } > > + } > > + } > > + > > + vvcc->ptl.ptl_num_sub_profiles = > FFMAX(vvcc->ptl.ptl_num_sub_profiles, ptl->ptl_num_sub_profiles); > > + if( vvcc->ptl.ptl_num_sub_profiles ){ > > + vvcc->ptl.general_sub_profile_idc = (uint32_t *) > malloc(sizeof(uint32_t)*vvcc->ptl.ptl_num_sub_profiles); > > + for(int i = 0; i < vvcc->ptl.ptl_num_sub_profiles; i++) { > > + vvcc->ptl.general_sub_profile_idc[i] = > ptl->general_sub_profile_idc[i]; > > + } > > + } > > + else > > + { > > + vvcc->ptl.general_sub_profile_idc = (uint32_t *) > malloc(sizeof(uint32_t)); > > + } > > +} > > + > > +static void vvcc_parse_ptl(GetBitContext *gb, > > + VVCDecoderConfigurationRecord *vvcc, > > + unsigned int profileTierPresentFlag, > > + unsigned int max_sub_layers_minus1) > > +{ > > + VVCCProfileTierLevel general_ptl; > > + int j; > > + > > + if(profileTierPresentFlag) { > > + general_ptl.profile_idc = get_bits(gb, 7); > > + general_ptl.tier_flag = get_bits1(gb); > > + } > > + general_ptl.general_level_idc = get_bits(gb, 8); > > + > > + general_ptl.ptl_frame_only_constraint_flag = get_bits1(gb); > > + general_ptl.ptl_multilayer_enabled_flag = get_bits1(gb); > > + if(profileTierPresentFlag) { // parse constraint info > > + general_ptl.gci_present_flag = get_bits1(gb); > > + if(general_ptl.gci_present_flag) { > > + for (j = 0; j < 8; j++) > > + general_ptl.gci_general_constraints[j] = get_bits(gb, > 8); > > + general_ptl.gci_general_constraints[8] = 0; > > + general_ptl.gci_general_constraints[8] = get_bits(gb, 7); > > + > > + general_ptl.gci_num_reserved_bits = get_bits(gb, 8); > > + skip_bits(gb, general_ptl.gci_num_reserved_bits); > > + } > > + while(gb->index % 8 != 0) > > + skip_bits1(gb); > > + } > > + > > + general_ptl.ptl_sublayer_level_present_flag = (uint8_t *) > malloc(sizeof(uint8_t)*max_sub_layers_minus1); > > + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { > > + general_ptl.ptl_sublayer_level_present_flag[i] = get_bits1(gb); > > + } > > + while(gb->index%8 != 0) > > + skip_bits1(gb); > > + > > + general_ptl.sublayer_level_idc = (uint8_t *) > malloc(sizeof(uint8_t)*max_sub_layers_minus1); > > + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { > > + if( general_ptl.ptl_sublayer_level_present_flag[i] ) > > + general_ptl.sublayer_level_idc[i] = get_bits(gb, 8); > > + } > > + > > + if(profileTierPresentFlag) { > > + general_ptl.ptl_num_sub_profiles = get_bits(gb, 8); > > + if( general_ptl.ptl_num_sub_profiles) { > > + general_ptl.general_sub_profile_idc = (uint32_t *) > malloc(sizeof(uint32_t)*general_ptl.ptl_num_sub_profiles); > > + for(int i = 0; i < general_ptl.ptl_num_sub_profiles; i++) { > > + general_ptl.general_sub_profile_idc[i] = > get_bits_long(gb, 32); > > + } > > + } > > + else > > + { > > + general_ptl.general_sub_profile_idc = (uint32_t *) > malloc(sizeof(uint32_t)); > > + } > > + } > > + > > + vvcc_update_ptl(vvcc, &general_ptl); > > + > > + free(general_ptl.ptl_sublayer_level_present_flag); > > + free(general_ptl.sublayer_level_idc); > > + free(general_ptl.general_sub_profile_idc); > > +} > > + > > +static int vvcc_parse_vps(GetBitContext *gb, > > + VVCDecoderConfigurationRecord *vvcc) > > +{ > > + unsigned int vps_max_layers_minus1; > > + unsigned int vps_max_sub_layers_minus1; > > + unsigned int vps_default_ptl_dpb_hrd_max_tid_flag; > > + unsigned int vps_all_independant_layer_flag; > > + unsigned int vps_each_layer_is_an_ols_flag; > > + unsigned int vps_ols_mode_idc; > > + > > in FFmpeg, the indent size is 4 > > Thank you for pointing this out. I now updated the code formatting and submitted a new version of the patch series, so now it should be correct everywhere.
diff --git a/libavformat/Makefile b/libavformat/Makefile index d7f198bf39..00ab4ded89 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -595,6 +595,7 @@ OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o OBJS-$(CONFIG_VPK_DEMUXER) += vpk.o OBJS-$(CONFIG_VPLAYER_DEMUXER) += vplayerdec.o subtitles.o OBJS-$(CONFIG_VQF_DEMUXER) += vqf.o +OBJS-$(CONFIG_VVC_DEMUXER) += vvcdec.o rawdec.o OBJS-$(CONFIG_W64_DEMUXER) += wavdec.o w64.o pcm.o OBJS-$(CONFIG_W64_MUXER) += wavenc.o w64.o OBJS-$(CONFIG_WAV_DEMUXER) += wavdec.o pcm.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 47c419a009..a4e3822681 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -474,6 +474,7 @@ extern const AVOutputFormat ff_voc_muxer; extern const AVInputFormat ff_vpk_demuxer; extern const AVInputFormat ff_vplayer_demuxer; extern const AVInputFormat ff_vqf_demuxer; +extern const AVInputFormat ff_vvc_demuxer; extern const AVInputFormat ff_w64_demuxer; extern const AVOutputFormat ff_w64_muxer; extern const AVInputFormat ff_wav_demuxer; diff --git a/libavformat/demux.c b/libavformat/demux.c index 2dfd82a63c..8dbde23fcd 100644 --- a/libavformat/demux.c +++ b/libavformat/demux.c @@ -120,6 +120,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, { "mp3", AV_CODEC_ID_MP3, AVMEDIA_TYPE_AUDIO }, { "mpegvideo", AV_CODEC_ID_MPEG2VIDEO, AVMEDIA_TYPE_VIDEO }, { "truehd", AV_CODEC_ID_TRUEHD, AVMEDIA_TYPE_AUDIO }, + { "vvc", AV_CODEC_ID_VVC, AVMEDIA_TYPE_VIDEO }, { 0 } }; int score; @@ -743,7 +744,8 @@ static int64_t select_from_pts_buffer(AVStream *st, int64_t *pts_buffer, int64_t { FFStream *const sti = ffstream(st); int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && - st->codecpar->codec_id != AV_CODEC_ID_HEVC; + st->codecpar->codec_id != AV_CODEC_ID_HEVC && + st->codecpar->codec_id != AV_CODEC_ID_VVC; if (!onein_oneout) { int delay = sti->avctx->has_b_frames; @@ -933,7 +935,8 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st, int64_t offset; AVRational duration; int onein_oneout = st->codecpar->codec_id != AV_CODEC_ID_H264 && - st->codecpar->codec_id != AV_CODEC_ID_HEVC; + st->codecpar->codec_id != AV_CODEC_ID_HEVC && + st->codecpar->codec_id != AV_CODEC_ID_VVC; if (s->flags & AVFMT_FLAG_NOFILLIN) return; diff --git a/libavformat/vvc.c b/libavformat/vvc.c new file mode 100644 index 0000000000..b27a522009 --- /dev/null +++ b/libavformat/vvc.c @@ -0,0 +1,919 @@ +/* + * VVC helper functions for muxers + * + * Copyright (C) 2022, Thomas Siedel + * + * 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 + */ + +#include "libavcodec/get_bits.h" +#include "libavcodec/golomb.h" +#include "libavcodec/vvc.h" +#include "libavutil/intreadwrite.h" +#include "avc.h" +#include "avio.h" +#include "avio_internal.h" +#include "vvc.h" + +typedef struct VVCCNALUnitArray { + uint8_t array_completeness; + uint8_t NAL_unit_type; + uint16_t num_nalus; + uint16_t *nal_unit_length; + uint8_t **nal_unit; +} VVCCNALUnitArray; + +typedef struct VVCPTLRecord { + uint8_t num_bytes_constraint_info; + 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; + uint8_t general_constraint_info[9]; + uint8_t *ptl_sublayer_level_present_flag; + uint8_t *sublayer_level_idc; + uint8_t ptl_num_sub_profiles; + uint32_t *general_sub_profile_idc; +} VVCPTLRecord; + +typedef struct VVCDecoderConfigurationRecord { + uint8_t lengthSizeMinusOne; + uint8_t ptl_present_flag; + uint16_t ols_idx; + uint8_t num_sublayers; + uint8_t constant_frame_rate; + uint8_t chroma_format_idc; + uint8_t bit_depth_minus8; + VVCPTLRecord ptl; + uint16_t max_picture_width; + uint16_t max_picture_height; + uint16_t avg_frame_rate; + uint8_t num_of_arrays; + VVCCNALUnitArray *array; +} VVCDecoderConfigurationRecord; + +typedef struct VVCCProfileTierLevel { + uint8_t profile_idc; + uint8_t tier_flag; + uint8_t general_level_idc; + uint8_t ptl_frame_only_constraint_flag; + uint8_t ptl_multilayer_enabled_flag; +// general_constraint_info + uint8_t gci_present_flag; + uint8_t gci_general_constraints[9]; + uint8_t gci_num_reserved_bits; +// end general_constraint_info + uint8_t *ptl_sublayer_level_present_flag; + uint8_t *sublayer_level_idc; + uint8_t ptl_num_sub_profiles; + uint32_t *general_sub_profile_idc; +} VVCCProfileTierLevel; + + +static void vvcc_update_ptl(VVCDecoderConfigurationRecord *vvcc, + VVCCProfileTierLevel *ptl) +{ + /* + * The level indication general_level_idc must indicate a level of + * capability equal to or greater than the highest level indicated for the + * highest tier in all the parameter sets. + */ + if (vvcc->ptl.general_tier_flag < ptl->tier_flag) + vvcc->ptl.general_level_idc = ptl->general_level_idc; + else + vvcc->ptl.general_level_idc = FFMAX(vvcc->ptl.general_level_idc, ptl->general_level_idc); + + /* + * The tier indication general_tier_flag must indicate a tier equal to or + * greater than the highest tier indicated in all the parameter sets. + */ + vvcc->ptl.general_tier_flag = FFMAX(vvcc->ptl.general_tier_flag, ptl->tier_flag); + + /* + * The profile indication general_profile_idc must indicate a profile to + * which the stream associated with this configuration record conforms. + * + * If the sequence parameter sets are marked with different profiles, then + * the stream may need examination to determine which profile, if any, the + * entire stream conforms to. If the entire stream is not examined, or the + * examination reveals that there is no profile to which the entire stream + * conforms, then the entire stream must be split into two or more + * sub-streams with separate configuration records in which these rules can + * be met. + * + * Note: set the profile to the highest value for the sake of simplicity. + */ + vvcc->ptl.general_profile_idc = FFMAX(vvcc->ptl.general_profile_idc, ptl->profile_idc); + + /* + * Each bit in flags may only be set if all + * the parameter sets set that bit. + */ + vvcc->ptl.ptl_frame_only_constraint_flag &= ptl->ptl_frame_only_constraint_flag; + vvcc->ptl.ptl_multilayer_enabled_flag &= ptl->ptl_multilayer_enabled_flag; + + /* + * Constraints Info + */ + if(ptl->gci_present_flag) { + vvcc->ptl.num_bytes_constraint_info = 9; + memcpy(&vvcc->ptl.general_constraint_info[0], &ptl->gci_general_constraints[0], sizeof(uint8_t)*9); + + } else { + vvcc->ptl.num_bytes_constraint_info = 1; + memset(&vvcc->ptl.general_constraint_info[0], 0, sizeof(uint8_t)*9); + } + + /* + * Each bit in flags may only be set if one of + * the parameter sets set that bit. + */ + vvcc->ptl.ptl_sublayer_level_present_flag = (uint8_t *) malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); + vvcc->ptl.sublayer_level_idc = (uint8_t *) malloc(sizeof(uint8_t)*vvcc->num_sublayers-1); + + memset(vvcc->ptl.ptl_sublayer_level_present_flag, 0, sizeof(uint8_t)*vvcc->num_sublayers-1); + memset(vvcc->ptl.sublayer_level_idc, 0, sizeof(uint8_t)*vvcc->num_sublayers-1); + + for(int i = vvcc->num_sublayers - 2; i >= 0; i--) + { + vvcc->ptl.ptl_sublayer_level_present_flag[i] |= ptl->ptl_sublayer_level_present_flag[i]; + if(vvcc->ptl.ptl_sublayer_level_present_flag[i]){ + vvcc->ptl.sublayer_level_idc[i] = FFMAX(vvcc->ptl.sublayer_level_idc[i], ptl->sublayer_level_idc[i]); + } + else{ + if(i == vvcc->num_sublayers - 1){ + vvcc->ptl.sublayer_level_idc[i] = vvcc->ptl.general_level_idc; + }else{ + vvcc->ptl.sublayer_level_idc[i] = vvcc->ptl.sublayer_level_idc[i+1]; + } + } + } + + vvcc->ptl.ptl_num_sub_profiles = FFMAX(vvcc->ptl.ptl_num_sub_profiles, ptl->ptl_num_sub_profiles); + if( vvcc->ptl.ptl_num_sub_profiles ){ + vvcc->ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)*vvcc->ptl.ptl_num_sub_profiles); + for(int i = 0; i < vvcc->ptl.ptl_num_sub_profiles; i++) { + vvcc->ptl.general_sub_profile_idc[i] = ptl->general_sub_profile_idc[i]; + } + } + else + { + vvcc->ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)); + } +} + +static void vvcc_parse_ptl(GetBitContext *gb, + VVCDecoderConfigurationRecord *vvcc, + unsigned int profileTierPresentFlag, + unsigned int max_sub_layers_minus1) +{ + VVCCProfileTierLevel general_ptl; + int j; + + if(profileTierPresentFlag) { + general_ptl.profile_idc = get_bits(gb, 7); + general_ptl.tier_flag = get_bits1(gb); + } + general_ptl.general_level_idc = get_bits(gb, 8); + + general_ptl.ptl_frame_only_constraint_flag = get_bits1(gb); + general_ptl.ptl_multilayer_enabled_flag = get_bits1(gb); + if(profileTierPresentFlag) { // parse constraint info + general_ptl.gci_present_flag = get_bits1(gb); + if(general_ptl.gci_present_flag) { + for (j = 0; j < 8; j++) + general_ptl.gci_general_constraints[j] = get_bits(gb, 8); + general_ptl.gci_general_constraints[8] = 0; + general_ptl.gci_general_constraints[8] = get_bits(gb, 7); + + general_ptl.gci_num_reserved_bits = get_bits(gb, 8); + skip_bits(gb, general_ptl.gci_num_reserved_bits); + } + while(gb->index % 8 != 0) + skip_bits1(gb); + } + + general_ptl.ptl_sublayer_level_present_flag = (uint8_t *) malloc(sizeof(uint8_t)*max_sub_layers_minus1); + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { + general_ptl.ptl_sublayer_level_present_flag[i] = get_bits1(gb); + } + while(gb->index%8 != 0) + skip_bits1(gb); + + general_ptl.sublayer_level_idc = (uint8_t *) malloc(sizeof(uint8_t)*max_sub_layers_minus1); + for(int i = max_sub_layers_minus1-1; i >= 0; i--) { + if( general_ptl.ptl_sublayer_level_present_flag[i] ) + general_ptl.sublayer_level_idc[i] = get_bits(gb, 8); + } + + if(profileTierPresentFlag) { + general_ptl.ptl_num_sub_profiles = get_bits(gb, 8); + if( general_ptl.ptl_num_sub_profiles) { + general_ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)*general_ptl.ptl_num_sub_profiles); + for(int i = 0; i < general_ptl.ptl_num_sub_profiles; i++) { + general_ptl.general_sub_profile_idc[i] = get_bits_long(gb, 32); + } + } + else + { + general_ptl.general_sub_profile_idc = (uint32_t *) malloc(sizeof(uint32_t)); + } + } + + vvcc_update_ptl(vvcc, &general_ptl); + + free(general_ptl.ptl_sublayer_level_present_flag); + free(general_ptl.sublayer_level_idc); + free(general_ptl.general_sub_profile_idc); +} + +static int vvcc_parse_vps(GetBitContext *gb, + VVCDecoderConfigurationRecord *vvcc) +{ + unsigned int vps_max_layers_minus1; + unsigned int vps_max_sub_layers_minus1; + unsigned int vps_default_ptl_dpb_hrd_max_tid_flag; + unsigned int vps_all_independant_layer_flag; + unsigned int vps_each_layer_is_an_ols_flag; + unsigned int vps_ols_mode_idc; + + unsigned int *vps_pt_present_flag; + unsigned int *vps_ptl_max_tid; + unsigned int vps_num_ptls_minus1 = 0; + + + /* + * vps_video_parameter_set_id u(4) + */ + skip_bits(gb, 4); + + vps_max_layers_minus1 = get_bits(gb, 6); + vps_max_sub_layers_minus1 = get_bits(gb, 3); + + /* + * numTemporalLayers greater than 1 indicates that the stream to which this + * configuration record applies is temporally scalable and the contained + * number of temporal layers (also referred to as temporal sub-layer or + * sub-layer in ISO/IEC 23008-2) is equal to numTemporalLayers. Value 1 + * indicates that the stream is not temporally scalable. Value 0 indicates + * that it is unknown whether the stream is temporally scalable. + */ + vvcc->num_sublayers = FFMAX(vvcc->num_sublayers, + vps_max_sub_layers_minus1 + 1); + + + if(vps_max_layers_minus1 > 0 && vps_max_sub_layers_minus1 > 0) + vps_default_ptl_dpb_hrd_max_tid_flag = get_bits1(gb); //vps_default_ptl_dpb_hrd_max_tid_flags + if(vps_max_layers_minus1 > 0) + vps_all_independant_layer_flag = get_bits1(gb); + + for(int i =0; i <= vps_max_layers_minus1; i++) { + skip_bits(gb, 6); //vps_default_ptl_dpb_hrd_max_tid_flagsvps_layer_id[i] + if(i > 0 && !vps_all_independant_layer_flag) { + if(get_bits1(gb)) { // vps_independant_layer_flag + unsigned int vps_max_tid_ref_present_flag = get_bits1(gb); + for (int j =0; j<i; j++) { + if(vps_max_tid_ref_present_flag && get_bits1(gb)) // vps_direct_ref_layer_flag[i][j] + skip_bits(gb, 3); //vps_max_tid_il_ref_pics_plus1 + } + } + } + } + + if(vps_max_layers_minus1 > 0) { + if(vps_all_independant_layer_flag) + vps_each_layer_is_an_ols_flag = get_bits1(gb); + if(vps_each_layer_is_an_ols_flag) { + if(!vps_all_independant_layer_flag) + vps_ols_mode_idc = get_bits(gb, 2); + if(vps_ols_mode_idc == 2) { + unsigned int vps_num_output_layer_sets_minus2 = get_bits(gb, 8); + for( int i = 1; i <= vps_num_output_layer_sets_minus2 +1; i++) { + for( int j = 0; j <= vps_max_layers_minus1; j++) { + skip_bits1(gb); + } + } + } + } + vps_num_ptls_minus1 = get_bits(gb, 8); + } + + vps_pt_present_flag = (unsigned int *) malloc(sizeof(unsigned int) * (vps_num_ptls_minus1+1)); + vps_ptl_max_tid = (unsigned int *) malloc(sizeof(unsigned int) * (vps_num_ptls_minus1+1)); + for(int i = 0; i <= vps_num_ptls_minus1; i++) { + if(i>0) + vps_pt_present_flag[i] = get_bits1(gb); + if(!vps_default_ptl_dpb_hrd_max_tid_flag) + vps_ptl_max_tid[i] = get_bits(gb, 3); + } + + while(gb->index%8 != 0) + skip_bits1(gb); + + for(int i = 0; i <= vps_num_ptls_minus1; i++) { + vvcc_parse_ptl(gb, vvcc, vps_pt_present_flag[i], vps_ptl_max_tid[i]); + } + + free(vps_pt_present_flag); + free(vps_ptl_max_tid); + + /* nothing useful for vvcc past this point */ + return 0; +} + +static int vvcc_parse_sps(GetBitContext *gb, + VVCDecoderConfigurationRecord *vvcc) +{ + unsigned int sps_max_sub_layers_minus1, log2_ctu_size_minus5; + //unsigned int num_short_term_ref_pic_sets, num_delta_pocs[VVC_MAX_REF_PIC_LISTS]; + //unsigned int sps_chroma_format_idc; + unsigned int sps_subpic_same_size_flag, sps_pic_height_max_in_luma_sample, sps_pic_width_max_in_luma_sample; + unsigned int sps_independant_subpics_flag; + unsigned int flag; + + skip_bits(gb, 8); // sps_seq_parameter_set_id && sps_video_parameter_set_id + sps_max_sub_layers_minus1 = get_bits (gb, 3); + + /* + * numTemporalLayers greater than 1 indicates that the stream to which this + * configuration record applies is temporally scalable and the contained + * number of temporal layers (also referred to as temporal sub-layer or + * sub-layer in ISO/IEC 23008-2) is equal to numTemporalLayers. Value 1 + * indicates that the stream is not temporally scalable. Value 0 indicates + * that it is unknown whether the stream is temporally scalable. + */ + vvcc->num_sublayers = FFMAX(vvcc->num_sublayers, + sps_max_sub_layers_minus1 + 1); + + vvcc->chroma_format_idc = get_bits(gb, 2); + log2_ctu_size_minus5 = get_bits(gb, 2); + + if(get_bits1(gb)) //sps_ptl_dpb_hrd_params_present_flag + vvcc_parse_ptl(gb, vvcc, 1, sps_max_sub_layers_minus1); + + flag = get_bits(gb, 1); //skip_bits1(gb); //sps_gdr_enabled_flag + flag = get_bits(gb, 1); //sps_ref_pic_resampling_enabled_flag + if(flag){ //sps_ref_pic_resampling_enabled_flag + flag = get_bits(gb, 1); //skip_bits1(gb); //sps_res_change_in_clvs_allowed_flag + } + + sps_pic_width_max_in_luma_sample = get_ue_golomb_long(gb); + vvcc->max_picture_width = FFMAX(vvcc->max_picture_width , sps_pic_width_max_in_luma_sample); + sps_pic_height_max_in_luma_sample= get_ue_golomb_long(gb); + vvcc->max_picture_height = FFMAX(vvcc->max_picture_height , sps_pic_height_max_in_luma_sample); + + if(get_bits1(gb)) { + get_ue_golomb_long(gb); // sps_conf_win_left_offset + get_ue_golomb_long(gb); // sps_conf_win_right_offset + get_ue_golomb_long(gb); // sps_conf_win_top_offset + get_ue_golomb_long(gb); // sps_conf_win_bottom_offset + } + + if(get_bits1(gb)) { // sps_subpic_info_present_flag + unsigned int sps_num_subpics_minus1 = get_ue_golomb_long(gb); + if(sps_num_subpics_minus1 > 0) { // sps_num_subpics_minus1 + sps_independant_subpics_flag = get_bits1(gb); + sps_subpic_same_size_flag = get_bits1(gb); + } + for(int i = 0; sps_num_subpics_minus1 > 0 && i <= sps_num_subpics_minus1; i++) { + if(!sps_subpic_same_size_flag || i == 0) { + int len = FFMIN(log2_ctu_size_minus5 +5, 16); + if(i > 0 && sps_pic_width_max_in_luma_sample > 128) + skip_bits(gb, len); + if(i > 0 && sps_pic_height_max_in_luma_sample > 128) + skip_bits(gb, len); + if(i < sps_num_subpics_minus1 && sps_pic_width_max_in_luma_sample > 128) + skip_bits(gb, len); + if(i < sps_num_subpics_minus1 && sps_pic_height_max_in_luma_sample > 128) + skip_bits(gb, len); + } + if(!sps_independant_subpics_flag) { + skip_bits(gb, 2); // sps_subpic_treated_as_pic_flag && sps_loop_filter_across_subpic_enabled_flag + } + } + get_ue_golomb_long(gb); // sps_subpic_id_len_minus1 + if(get_bits1(gb)) { // sps_subpic_id_mapping_explicitly_signalled_flag + if(get_bits1(gb)) // sps_subpic_id_mapping_present_flag + for(int i = 0; i <= sps_num_subpics_minus1; i++) { + skip_bits1(gb); // sps_subpic_id[i] + } + } + } + vvcc->bit_depth_minus8 = get_ue_golomb_long(gb); + + /* nothing useful for vvcc past this point */ + return 0; +} + +static int vvcc_parse_pps(GetBitContext *gb, + VVCDecoderConfigurationRecord *vvcc) +{ + + // Nothing of importance to parse in PPS + /* nothing useful for vvcc past this point */ + return 0; +} + +static void nal_unit_parse_header(GetBitContext *gb, uint8_t *nal_type) +{ + /* + * forbidden_zero_bit u(1) + * nuh_reserved_zero_bit u(1) + * nuh_layer_id u(6) + */ + skip_bits(gb, 8); + *nal_type = get_bits(gb, 5); + + /* + * nuh_temporal_id_plus1 u(3) + */ + skip_bits(gb, 3); +} + +static int vvcc_array_add_nal_unit(uint8_t *nal_buf, uint32_t nal_size, + uint8_t nal_type, int ps_array_completeness, + VVCDecoderConfigurationRecord *vvcc) +{ + int ret; + uint8_t index; + uint16_t num_nalus; + VVCCNALUnitArray *array; + + for (index = 0; index < vvcc->num_of_arrays; index++) + if (vvcc->array[index].NAL_unit_type == nal_type) + break; + + if (index >= vvcc->num_of_arrays) { + uint8_t i; + + ret = av_reallocp_array(&vvcc->array, index + 1, sizeof(VVCCNALUnitArray)); + if (ret < 0) + return ret; + + for (i = vvcc->num_of_arrays; i <= index; i++) + memset(&vvcc->array[i], 0, sizeof(VVCCNALUnitArray)); + vvcc->num_of_arrays = index + 1; + } + + array = &vvcc->array[index]; + num_nalus = array->num_nalus; + + ret = av_reallocp_array(&array->nal_unit, num_nalus + 1, sizeof(uint8_t*)); + if (ret < 0) + return ret; + + ret = av_reallocp_array(&array->nal_unit_length, num_nalus + 1, sizeof(uint16_t)); + if (ret < 0) + return ret; + + array->nal_unit [num_nalus] = nal_buf; + array->nal_unit_length[num_nalus] = nal_size; + array->NAL_unit_type = nal_type; + array->num_nalus++; + + /* + * When the sample entry name is ‘vvc1’, the default and mandatory value of + * array_completeness is 1 for arrays of all types of parameter sets, and 0 + * for all other arrays. When the sample entry name is ‘hev1’, the default + * value of array_completeness is 0 for all arrays. + */ + if (nal_type == VVC_VPS_NUT || nal_type == VVC_SPS_NUT || nal_type == VVC_PPS_NUT) + array->array_completeness = ps_array_completeness; + + return 0; +} + +static int vvcc_add_nal_unit(uint8_t *nal_buf, uint32_t nal_size, + int ps_array_completeness, + VVCDecoderConfigurationRecord *vvcc) +{ + int ret = 0; + GetBitContext gbc; + uint8_t nal_type; + uint8_t *rbsp_buf; + uint32_t rbsp_size; + + rbsp_buf = ff_nal_unit_extract_rbsp(nal_buf, nal_size, &rbsp_size, 2); + if (!rbsp_buf) { + ret = AVERROR(ENOMEM); + goto end; + } + + ret = init_get_bits8(&gbc, rbsp_buf, rbsp_size); + if (ret < 0) + goto end; + + nal_unit_parse_header(&gbc, &nal_type); + + /* + * Note: only 'declarative' SEI messages are allowed in + * vvcc. Perhaps the SEI playload type should be checked + * and non-declarative SEI messages discarded? + */ + switch (nal_type) { + case VVC_OPI_NUT: + case VVC_VPS_NUT: + case VVC_SPS_NUT: + case VVC_PPS_NUT: + case VVC_PREFIX_SEI_NUT: + case VVC_SUFFIX_SEI_NUT: + ret = vvcc_array_add_nal_unit(nal_buf, nal_size, nal_type, + ps_array_completeness, vvcc); + if (ret < 0) + goto end; + else if (nal_type == VVC_VPS_NUT) + ret = vvcc_parse_vps(&gbc, vvcc); + else if (nal_type == VVC_SPS_NUT) + ret = vvcc_parse_sps(&gbc, vvcc); + else if (nal_type == VVC_PPS_NUT) + ret = vvcc_parse_pps(&gbc, vvcc); + else if (nal_type == VVC_OPI_NUT) { + // not yet supported + } + if (ret < 0) + goto end; + break; + default: + ret = AVERROR_INVALIDDATA; + goto end; + } + +end: + av_free(rbsp_buf); + return ret; +} + +static void vvcc_init(VVCDecoderConfigurationRecord *vvcc) +{ + memset(vvcc, 0, sizeof(VVCDecoderConfigurationRecord)); + vvcc->lengthSizeMinusOne = 3; // 4 bytes + + vvcc->ptl.num_bytes_constraint_info = 1; + + vvcc->ptl_present_flag = 1; +} + +static void vvcc_close(VVCDecoderConfigurationRecord *vvcc) +{ + uint8_t i; + + for (i = 0; i < vvcc->num_of_arrays; i++) { + vvcc->array[i].num_nalus = 0; + av_freep(&vvcc->array[i].nal_unit); + av_freep(&vvcc->array[i].nal_unit_length); + } + + free(vvcc->ptl.ptl_sublayer_level_present_flag); + free(vvcc->ptl.sublayer_level_idc); + free(vvcc->ptl.general_sub_profile_idc); + + vvcc->num_of_arrays = 0; + av_freep(&vvcc->array); +} + +static int vvcc_write(AVIOContext *pb, VVCDecoderConfigurationRecord *vvcc) +{ + uint8_t i; + uint16_t j, vps_count = 0, sps_count = 0, pps_count = 0; + unsigned char *buf = NULL; + /* + * It's unclear how to properly compute these fields, so + * let's always set them to values meaning 'unspecified'. + */ + vvcc->avg_frame_rate = 0; + vvcc->constant_frame_rate = 1; + + av_log(NULL, AV_LOG_TRACE, "lengthSizeMinusOne: %"PRIu8"\n", + vvcc->lengthSizeMinusOne); + av_log(NULL, AV_LOG_TRACE, "ptl_present_flag: %"PRIu8"\n", + vvcc->ptl_present_flag); + av_log(NULL, AV_LOG_TRACE, "ols_idx: %"PRIu16"\n", + vvcc->ols_idx); + av_log(NULL, AV_LOG_TRACE, "num_sublayers: %"PRIu8"\n", + vvcc->num_sublayers); + av_log(NULL, AV_LOG_TRACE, "constant_frame_rate: %"PRIu8"\n", + vvcc->constant_frame_rate); + av_log(NULL, AV_LOG_TRACE, "chroma_format_idc: %"PRIu8"\n", + vvcc->chroma_format_idc); + + av_log(NULL, AV_LOG_TRACE, "bit_depth_minus8: %"PRIu8"\n", + vvcc->bit_depth_minus8); + av_log(NULL, AV_LOG_TRACE, "num_bytes_constraint_info: %"PRIu8"\n", + vvcc->ptl.num_bytes_constraint_info); + av_log(NULL, AV_LOG_TRACE, "general_profile_idc: %"PRIu8"\n", + vvcc->ptl.general_profile_idc); + av_log(NULL, AV_LOG_TRACE, "general_tier_flag: %"PRIu8"\n", + vvcc->ptl.general_tier_flag); + av_log(NULL, AV_LOG_TRACE, "general_level_idc: %"PRIu8"\n", + vvcc->ptl.general_level_idc); + av_log(NULL, AV_LOG_TRACE, "ptl_frame_only_constraint_flag: %"PRIu8"\n", + vvcc->ptl.ptl_frame_only_constraint_flag); + av_log(NULL, AV_LOG_TRACE, "ptl_multilayer_enabled_flag: %"PRIu8"\n", + vvcc->ptl.ptl_multilayer_enabled_flag); + for (i = 0; i < vvcc->ptl.num_bytes_constraint_info; i++) { + av_log(NULL, AV_LOG_TRACE, "general_constraint_info[%d]: %"PRIu8"\n", + i, vvcc->ptl.general_constraint_info[i]); + } + + for (i = 0; i < vvcc->num_sublayers-1; i++) { + av_log(NULL, AV_LOG_TRACE, "ptl_sublayer_level_present_flag[%"PRIu8"]: %"PRIu8"\n", + i, vvcc->ptl.ptl_sublayer_level_present_flag[i]); + av_log(NULL, AV_LOG_TRACE, "sublayer_level_idc[%"PRIu8"]: %"PRIu8"\n", + i, vvcc->ptl.sublayer_level_idc[i]); + } + + av_log(NULL, AV_LOG_TRACE, "num_sub_profiles: %"PRIu8"\n", + vvcc->ptl.ptl_num_sub_profiles); + + for (i = 0; i < vvcc->ptl.ptl_num_sub_profiles; i++) { + av_log(NULL, AV_LOG_TRACE, "general_sub_profile_idc[%"PRIu8"]: %"PRIx32"\n", + i, vvcc->ptl.general_sub_profile_idc[i]); + } + + av_log(NULL, AV_LOG_TRACE, "max_picture_width: %"PRIu16"\n", + vvcc->max_picture_width); + av_log(NULL, AV_LOG_TRACE, "max_picture_height: %"PRIu16"\n", + vvcc->max_picture_height); + av_log(NULL, AV_LOG_TRACE, "avg_frame_rate: %"PRIu16"\n", + vvcc->avg_frame_rate); + + av_log(NULL, AV_LOG_TRACE, "num_of_arrays: %"PRIu8"\n", + vvcc->num_of_arrays); + for (i = 0; i < vvcc->num_of_arrays; i++) { + av_log(NULL, AV_LOG_TRACE, "array_completeness[%"PRIu8"]: %"PRIu8"\n", + i, vvcc->array[i].array_completeness); + av_log(NULL, AV_LOG_TRACE, "NAL_unit_type[%"PRIu8"]: %"PRIu8"\n", + i, vvcc->array[i].NAL_unit_type); + av_log(NULL, AV_LOG_TRACE, "num_nalus[%"PRIu8"]: %"PRIu16"\n", + i, vvcc->array[i].num_nalus); + for (j = 0; j < vvcc->array[i].num_nalus; j++) + av_log(NULL, AV_LOG_TRACE, + "nal_unit_length[%"PRIu8"][%"PRIu16"]: %"PRIu16"\n", + i, j, vvcc->array[i].nal_unit_length[j]); + } + + /* + * We need at least one of each: VPS and SPS. + */ + for (i = 0; i < vvcc->num_of_arrays; i++) + switch (vvcc->array[i].NAL_unit_type) { + case VVC_VPS_NUT: + vps_count += vvcc->array[i].num_nalus; + break; + case VVC_SPS_NUT: + sps_count += vvcc->array[i].num_nalus; + break; + case VVC_PPS_NUT: + pps_count += vvcc->array[i].num_nalus; + break; + default: + break; + } + + if (!sps_count || sps_count > VVC_MAX_SPS_COUNT) + return AVERROR_INVALIDDATA; + + /* bit(5) reserved = ‘11111’b; + unsigned int (2) LengthSizeMinusOne + unsigned int (1) ptl_present_flag */ + avio_w8(pb, vvcc->lengthSizeMinusOne << 1 | vvcc->ptl_present_flag | 0xf8); + + if(vvcc->ptl_present_flag) { + /* + * unsigned int(9) ols_idx; + * unsigned int(3) num_sublayers; + * unsigned int(2) constant_frame_rate; + * unsigned int(2) chroma_format_idc; */ + avio_wb16(pb, vvcc->ols_idx << 7 | vvcc->num_sublayers << 4 | vvcc->constant_frame_rate << 2 | vvcc->chroma_format_idc); + + /* unsigned int(3) bit_depth_minus8; + bit(5) reserved = ‘11111’b;*/ + avio_w8(pb, vvcc->bit_depth_minus8 << 5 | 0x1f); + + //VVCPTLRecord + + /* bit(2) reserved = ‘00’b; + unsigned int (6) num_bytes_constraint_info */ + avio_w8(pb, vvcc->ptl.num_bytes_constraint_info & 0x3f); + + /* unsigned int (7) general_profile_idc + unsigned int (1) general_tier_flag */ + avio_w8(pb, vvcc->ptl.general_profile_idc << 1 | vvcc->ptl.general_tier_flag); + + /* unsigned int (8) general_level_idc */ + avio_w8(pb, vvcc->ptl.general_level_idc); + + /* + * unsigned int (1) ptl_frame_only_constraint_flag + * unsigned int (1) ptl_multilayer_enabled_flag + * unsigned int (8*num_bytes_constraint_info -2) general_constraint_info */ + buf = (unsigned char *) malloc(sizeof(unsigned char) * vvcc->ptl.num_bytes_constraint_info); + *buf = vvcc->ptl.ptl_frame_only_constraint_flag << vvcc->ptl.num_bytes_constraint_info*8-1 | vvcc->ptl.ptl_multilayer_enabled_flag << vvcc->ptl.num_bytes_constraint_info*8-2 | *vvcc->ptl.general_constraint_info >> 2; + avio_write(pb, buf, vvcc->ptl.num_bytes_constraint_info); + free(buf); + + if(vvcc->num_sublayers > 1) { + uint8_t ptl_sublayer_level_present_flags = 0; + for(int i = vvcc->num_sublayers -2; i >= 0; i--) { + ptl_sublayer_level_present_flags = (ptl_sublayer_level_present_flags << 1 | vvcc->ptl.ptl_sublayer_level_present_flag[i]); + } + avio_w8(pb, ptl_sublayer_level_present_flags); + } + + for(int i = vvcc->num_sublayers -2; i >= 0; i--) { + if(vvcc->ptl.ptl_sublayer_level_present_flag[i]) + avio_w8(pb, vvcc->ptl.sublayer_level_idc[i]); + } + + /* unsigned int(8) num_sub_profiles; */ + avio_w8(pb, vvcc->ptl.ptl_num_sub_profiles); + + for(int j = 0; j < vvcc->ptl.ptl_num_sub_profiles; j++) { + /* unsigned int(32) general_sub_profile_idc[j]; */ + avio_wb32(pb, vvcc->ptl.general_sub_profile_idc[j]); + } + + //End of VvcPTLRecord + + /* + * unsigned int(16) max_picture_width;*/ + avio_wb16(pb, vvcc->max_picture_width); + + /* + * unsigned int(16) max_picture_height;*/ + avio_wb16(pb, vvcc->max_picture_height); + + /* + * unsigned int(16) avg_frame_rate; */ + avio_wb16(pb, vvcc->avg_frame_rate); + } + + /* unsigned int(8) num_of_arrays; */ + avio_w8(pb, vvcc->num_of_arrays); + + for (i = 0; i < vvcc->num_of_arrays; i++) { + /* + * bit(1) array_completeness; + * unsigned int(2) reserved = 0; + * unsigned int(5) NAL_unit_type; + */ + avio_w8(pb, vvcc->array[i].array_completeness << 7 | + vvcc->array[i].NAL_unit_type & 0x1f); + /* unsigned int(16) num_nalus; */ + if(vvcc->array[i].NAL_unit_type != VVC_DCI_NUT && vvcc->array[i].NAL_unit_type != VVC_OPI_NUT) + avio_wb16(pb, vvcc->array[i].num_nalus); + for (j = 0; j < vvcc->array[i].num_nalus; j++) { + /* unsigned int(16) nal_unit_length; */ + avio_wb16(pb, vvcc->array[i].nal_unit_length[j]); + + /* bit(8*nal_unit_length) nal_unit; */ + avio_write(pb, vvcc->array[i].nal_unit[j], vvcc->array[i].nal_unit_length[j]); + } + } + + return 0; +} + +int ff_vvc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, + int size, int filter_ps, int *ps_count) +{ + int num_ps = 0, ret = 0; + uint8_t *buf, *end, *start = NULL; + + if (!filter_ps) { + ret = ff_avc_parse_nal_units(pb, buf_in, size); + goto end; + } + + ret = ff_avc_parse_nal_units_buf(buf_in, &start, &size); + if (ret < 0) + goto end; + + ret = 0; + buf = start; + end = start + size; + + while (end - buf > 4) { + uint32_t len = FFMIN(AV_RB32(buf), end - buf - 4); + uint8_t type = (buf[5] >> 3); + + buf += 4; + + switch (type) { + case VVC_VPS_NUT: + case VVC_SPS_NUT: + case VVC_PPS_NUT: + num_ps++; + break; + default: + ret += 4 + len; + avio_wb32(pb, len); + avio_write(pb, buf, len); + break; + } + + buf += len; + } + +end: + av_free(start); + if (ps_count) + *ps_count = num_ps; + return ret; +} + +int ff_vvc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, + int *size, int filter_ps, int *ps_count) +{ + AVIOContext *pb; + int ret; + + ret = avio_open_dyn_buf(&pb); + if (ret < 0) + return ret; + + ret = ff_vvc_annexb2mp4(pb, buf_in, *size, filter_ps, ps_count); + if (ret < 0) { + ffio_free_dyn_buf(&pb); + return ret; + } + + *size = avio_close_dyn_buf(pb, buf_out); + + return 0; +} + +int ff_isom_write_vvcc(AVIOContext *pb, const uint8_t *data, + int size, int ps_array_completeness) +{ + VVCDecoderConfigurationRecord vvcc; + uint8_t *buf, *end, *start; + int ret; + + if (size < 6) { + /* We can't write a valid vvcc from the provided data */ + return AVERROR_INVALIDDATA; + } else if (*data == 1) { + /* Data is already vvcc-formatted */ + avio_write(pb, data, size); + return 0; + } else if (!(AV_RB24(data) == 1 || AV_RB32(data) == 1)) { + /* Not a valid Annex B start code prefix */ + return AVERROR_INVALIDDATA; + } + + ret = ff_avc_parse_nal_units_buf(data, &start, &size); + if (ret < 0) + return ret; + + vvcc_init(&vvcc); + + buf = start; + end = start + size; + + while (end - buf > 4) { + uint32_t len = FFMIN(AV_RB32(buf), end - buf - 4); + uint8_t type = (buf[5] >> 3); + + buf += 4; + + switch (type) { + case VVC_OPI_NUT: + case VVC_VPS_NUT: + case VVC_SPS_NUT: + case VVC_PPS_NUT: + case VVC_PREFIX_SEI_NUT: + case VVC_SUFFIX_SEI_NUT: + ret = vvcc_add_nal_unit(buf, len, ps_array_completeness, &vvcc); + if (ret < 0) + goto end; + break; + default: + break; + } + + buf += len; + } + + ret = vvcc_write(pb, &vvcc); + +end: + vvcc_close(&vvcc); + av_free(start); + return ret; +} diff --git a/libavformat/vvc.h b/libavformat/vvc.h new file mode 100644 index 0000000000..cdf4f6d3f5 --- /dev/null +++ b/libavformat/vvc.h @@ -0,0 +1,99 @@ +/* + * VVC helper functions for muxers + * + * 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 + */ + +/** + * @file + * internal header for VVC (de)muxer utilities + */ + +#ifndef AVFORMAT_VVC_H +#define AVFORMAT_VVC_H + +#include <stdint.h> +#include "avio.h" + +/** + * Writes Annex B formatted VVC NAL units to the provided AVIOContext. + * + * The NAL units are converted to an MP4-compatible format (start code prefixes + * are replaced by 4-byte size fields, as per ISO/IEC 14496-15). + * + * If filter_ps is non-zero, any VVC parameter sets found in the input will be + * discarded, and *ps_count will be set to the number of discarded PS NAL units. + * + * @param pb address of the AVIOContext where the data shall be written + * @param buf_in address of the buffer holding the input data + * @param size size (in bytes) of the input buffer + * @param filter_ps whether to write parameter set NAL units to the output (0) + * or to discard them (non-zero) + * @param ps_count address of the variable where the number of discarded + * parameter set NAL units shall be written, may be NULL + * @return the amount (in bytes) of data written in case of success, a negative + * value corresponding to an AVERROR code in case of failure + */ +int ff_vvc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, + int size, int filter_ps, int *ps_count); + +/** + * Writes Annex B formatted VVC NAL units to a data buffer. + * + * The NAL units are converted to an MP4-compatible format (start code prefixes + * are replaced by 4-byte size fields, as per ISO/IEC 14496-15). + * + * If filter_ps is non-zero, any VVC parameter sets found in the input will be + * discarded, and *ps_count will be set to the number of discarded PS NAL units. + * + * On success, *size holds the size (in bytes) of the output data buffer. + * + * @param buf_in address of the buffer holding the input data + * @param size address of the variable holding the size (in bytes) of the input + * buffer (on input) and of the output buffer (on success) + * @param buf_out on success, address of the variable holding the address of + * the output buffer + * @param filter_ps whether to write parameter set NAL units to the output (0) + * or to discard them (non-zero) + * @param ps_count address of the variable where the number of discarded + * parameter set NAL units shall be written, may be NULL + * @return 0 in case of success, a negative value corresponding to an AVERROR + * code in case of failure + * @note *buf_out will be treated as uninitialized on input and won't be freed. + */ +int ff_vvc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, + int *size, int filter_ps, int *ps_count); + +/** + * Writes VVC extradata (parameter sets, declarative SEI NAL units) to the + * provided AVIOContext. + * + * If the extradata is Annex B format, it gets converted to vvcC format before + * writing. + * + * @param pb address of the AVIOContext where the vvcC shall be written + * @param data address of the buffer holding the data needed to write the vvcC + * @param size size (in bytes) of the data buffer + * @param ps_array_completeness whether all parameter sets are in the vvcC (1) + * or there may be additional parameter sets in the bitstream (0) + * @return >=0 in case of success, a negative value corresponding to an AVERROR + * code in case of failure + */ +int ff_isom_write_vvcc(AVIOContext *pb, const uint8_t *data, + int size, int ps_array_completeness); + +#endif /* AVFORMAT_VVC_H */ diff --git a/libavformat/vvcdec.c b/libavformat/vvcdec.c new file mode 100644 index 0000000000..304f900966 --- /dev/null +++ b/libavformat/vvcdec.c @@ -0,0 +1,61 @@ +/* + * RAW VVC video demuxer + * Copyright (c) 2020 Nuo Mi <nuomi2021@gmail.com> + * + * 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 + */ + +#include "libavcodec/vvc.h" + +#include "avformat.h" +#include "rawdec.h" + +static int vvc_probe(const AVProbeData *p) +{ + uint32_t code = -1; + int sps = 0, pps = 0, irap = 0; + int i; + + for (i = 0; i < p->buf_size - 1; i++) { + code = (code << 8) + p->buf[i]; + if ((code & 0xffffff00) == 0x100) { + uint8_t nal2 = p->buf[i + 1]; + int type = (nal2 & 0xF8) >> 3; + + if (code & 0x80) // forbidden_zero_bit + return 0; + + if ((nal2 & 0x7) == 0) // nuh_temporal_id_plus1 + return 0; + + switch (type) { + case VVC_SPS_NUT: sps++; break; + case VVC_PPS_NUT: pps++; break; + case VVC_IDR_N_LP: + case VVC_IDR_W_RADL: + case VVC_CRA_NUT: + case VVC_GDR_NUT: irap++; break; + } + } + } + + if (sps && pps && irap) + return AVPROBE_SCORE_EXTENSION + 1; // 1 more than .mpg + return 0; +} + +FF_DEF_RAWVIDEO_DEMUXER(vvc, "raw VVC video", vvc_probe, "h266,266,vvc", AV_CODEC_ID_VVC)
Add demuxer to probe raw vvc and parse vvcc byte stream format. Signed-off-by: Thomas Siedel <thomas.ff@spin-digital.com> --- libavformat/Makefile | 1 + libavformat/allformats.c | 1 + libavformat/demux.c | 7 +- libavformat/vvc.c | 919 +++++++++++++++++++++++++++++++++++++++ libavformat/vvc.h | 99 +++++ libavformat/vvcdec.c | 61 +++ 6 files changed, 1086 insertions(+), 2 deletions(-) create mode 100644 libavformat/vvc.c create mode 100644 libavformat/vvc.h create mode 100644 libavformat/vvcdec.c