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[79.124.17.100]) by mx.google.com with ESMTP id 38308e7fff4ca-2f75c09cebcsi26224931fa.559.2024.09.10.21.01.25; Tue, 10 Sep 2024 21:01:26 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2AD2168E1FE; Wed, 11 Sep 2024 07:01:22 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vidala.lynne.ee (vidala.pars.ee [116.203.72.101]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 1B5FF68E1F1 for ; Wed, 11 Sep 2024 07:01:15 +0300 (EEST) To: ffmpeg-devel@ffmpeg.org Date: Wed, 11 Sep 2024 06:00:09 +0200 Message-ID: <20240911040016.429126-2-dev@lynne.ee> X-Mailer: git-send-email 2.45.2.753.g447d99e1c3b In-Reply-To: <20240911040016.429126-1-dev@lynne.ee> References: <20240911040016.429126-1-dev@lynne.ee> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v2 2/2] lavc: add h264_vulkan hardware encoder X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Lynne via ffmpeg-devel From: Lynne Reply-To: FFmpeg development discussions and patches Cc: Lynne Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: O7zZ4v7m1S0F This commit adds the first Vulkan hardware encoder. Currently, P, and **B**-frames are supported. This marks the first implementation to support both. The encoder has feature-parity with VAAPI. --- configure | 1 + libavcodec/Makefile | 3 + libavcodec/allcodecs.c | 1 + libavcodec/vulkan_encode_h264.c | 1686 +++++++++++++++++++++++++++++++ 4 files changed, 1691 insertions(+) create mode 100644 libavcodec/vulkan_encode_h264.c diff --git a/configure b/configure index b76f8fbc4d..da36419f2d 100755 --- a/configure +++ b/configure @@ -3367,6 +3367,7 @@ h264_qsv_encoder_select="atsc_a53 qsvenc" h264_rkmpp_decoder_deps="rkmpp" h264_rkmpp_decoder_select="h264_mp4toannexb_bsf" h264_vaapi_encoder_select="atsc_a53 cbs_h264 vaapi_encode" +h264_vulkan_encoder_select="cbs_h264 vulkan_encode" h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m" h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf" h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m" diff --git a/libavcodec/Makefile b/libavcodec/Makefile index b37d784de3..502be8b09b 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -426,6 +426,9 @@ OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o OBJS-$(CONFIG_H264_RKMPP_DECODER) += rkmppdec.o OBJS-$(CONFIG_H264_VAAPI_ENCODER) += vaapi_encode_h264.o h264_levels.o \ h2645data.o hw_base_encode_h264.o +OBJS-$(CONFIG_H264_VULKAN_ENCODER) += vulkan_encode.o vulkan_encode_h264.o \ + hw_base_encode.o hw_base_encode_h264.o \ + h264_levels.o h2645data.o OBJS-$(CONFIG_H264_VIDEOTOOLBOX_ENCODER) += videotoolboxenc.o OBJS-$(CONFIG_H264_V4L2M2M_DECODER) += v4l2_m2m_dec.o OBJS-$(CONFIG_H264_V4L2M2M_ENCODER) += v4l2_m2m_enc.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index d773ac36c2..cfd929b81f 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -850,6 +850,7 @@ extern const FFCodec ff_h264_qsv_encoder; extern const FFCodec ff_h264_v4l2m2m_encoder; extern const FFCodec ff_h264_vaapi_encoder; extern const FFCodec ff_h264_videotoolbox_encoder; +extern const FFCodec ff_h264_vulkan_encoder; extern const FFCodec ff_hevc_amf_encoder; extern const FFCodec ff_hevc_cuvid_decoder; extern const FFCodec ff_hevc_d3d12va_encoder; diff --git a/libavcodec/vulkan_encode_h264.c b/libavcodec/vulkan_encode_h264.c new file mode 100644 index 0000000000..5b053b6c61 --- /dev/null +++ b/libavcodec/vulkan_encode_h264.c @@ -0,0 +1,1686 @@ +/* + * 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 "libavutil/opt.h" +#include "libavutil/mem.h" + +#include "cbs.h" +#include "cbs_h264.h" +#include "atsc_a53.h" + +#include "h264_levels.h" +#include "h2645data.h" +#include "codec_internal.h" +#include "version.h" +#include "hw_base_encode_h264.h" + +#include "vulkan_encode.h" + +enum UnitElems { + UNIT_AUD = 1 << 0, + UNIT_SEI_TIMING = 1 << 1, + UNIT_SEI_IDENTIFIER = 1 << 2, + UNIT_SEI_RECOVERY = 1 << 3, + UNIT_SEI_A53_CC = 1 << 4, +}; + +const FFVulkanEncodeDescriptor ff_vk_enc_h264_desc = { + .codec_id = AV_CODEC_ID_H264, + .encode_extension = FF_VK_EXT_VIDEO_ENCODE_H264, + .encode_op = VK_VIDEO_CODEC_OPERATION_ENCODE_H264_BIT_KHR, + .ext_props = { + .extensionName = VK_STD_VULKAN_VIDEO_CODEC_H264_ENCODE_EXTENSION_NAME, + .specVersion = VK_STD_VULKAN_VIDEO_CODEC_H264_ENCODE_SPEC_VERSION, + }, +}; + +/* Random (version 4) ISO 11578 UUID. */ +static const uint8_t vulkan_encode_h264_sei_identifier_uuid[16] = { + 0x03, 0xfd, 0xf2, 0x0a, 0x5d, 0x4c, 0x05, 0x48, + 0x20, 0x98, 0xca, 0x6b, 0x0c, 0x95, 0x30, 0x1c, +}; + +typedef struct VulkanEncodeH264Picture { + int frame_num; + int64_t last_idr_frame; + uint16_t idr_pic_id; + int primary_pic_type; + int slice_type; + int pic_order_cnt; + + enum UnitElems units_needed; + + VkVideoEncodeH264RateControlInfoKHR vkrc_info; + VkVideoEncodeH264RateControlLayerInfoKHR vkrc_layer_info; + + StdVideoEncodeH264WeightTable slice_wt; + StdVideoEncodeH264SliceHeader slice_hdr; + VkVideoEncodeH264NaluSliceInfoKHR vkslice; + + StdVideoEncodeH264PictureInfo h264pic_info; + VkVideoEncodeH264PictureInfoKHR vkh264pic_info; + + StdVideoEncodeH264ReferenceInfo h264dpb_info; + VkVideoEncodeH264DpbSlotInfoKHR vkh264dpb_info; + + StdVideoEncodeH264RefListModEntry mods[MAX_REFERENCE_LIST_NUM][H264_MAX_RPLM_COUNT]; + StdVideoEncodeH264RefPicMarkingEntry mmco[H264_MAX_RPLM_COUNT]; + StdVideoEncodeH264ReferenceListsInfo ref_list_info; +} VulkanEncodeH264Picture; + +typedef struct VulkanEncodeH264Context { + FFVulkanEncodeContext common; + + FFHWBaseEncodeH264 units; + FFHWBaseEncodeH264Opts unit_opts; + + enum UnitElems unit_elems; + + uint8_t fixed_qp_idr; + uint8_t fixed_qp_p; + uint8_t fixed_qp_b; + + VkVideoEncodeH264ProfileInfoKHR profile; + + VkVideoEncodeH264CapabilitiesKHR caps; + VkVideoEncodeH264QualityLevelPropertiesKHR quality_props; + + CodedBitstreamContext *cbs; + CodedBitstreamFragment current_access_unit; + + H264RawAUD raw_aud; + + SEIRawUserDataUnregistered sei_identifier; + H264RawSEIPicTiming sei_pic_timing; + H264RawSEIRecoveryPoint sei_recovery_point; + SEIRawUserDataRegistered sei_a53cc; + void *sei_a53cc_data; + char *sei_identifier_string; +} VulkanEncodeH264Context; + +static int init_pic_rc(AVCodecContext *avctx, FFHWBaseEncodePicture *pic, + VkVideoEncodeRateControlInfoKHR *rc_info, + VkVideoEncodeRateControlLayerInfoKHR *rc_layer) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + VulkanEncodeH264Picture *hp = pic->codec_priv; + + hp->vkrc_info = (VkVideoEncodeH264RateControlInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_RATE_CONTROL_INFO_KHR, + .flags = VK_VIDEO_ENCODE_H264_RATE_CONTROL_REFERENCE_PATTERN_FLAT_BIT_KHR | + VK_VIDEO_ENCODE_H264_RATE_CONTROL_REGULAR_GOP_BIT_KHR, + .idrPeriod = ctx->base.gop_size, + .gopFrameCount = ctx->base.gop_size, + .consecutiveBFrameCount = FFMAX(ctx->base.b_per_p - 1, 0), + .temporalLayerCount = 0, + }; + + rc_info->pNext = &hp->vkrc_info; + rc_info->virtualBufferSizeInMs = enc->unit_opts.hrd_buffer_size; + rc_info->initialVirtualBufferSizeInMs = enc->unit_opts.initial_buffer_fullness; + + if (rc_info->rateControlMode > VK_VIDEO_ENCODE_RATE_CONTROL_MODE_DISABLED_BIT_KHR) { + hp->vkrc_layer_info = (VkVideoEncodeH264RateControlLayerInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_RATE_CONTROL_LAYER_INFO_KHR, + + .useMinQp = avctx->qmin > 0, + .minQp.qpI = avctx->qmin > 0 ? avctx->qmin : 0, + .minQp.qpP = avctx->qmin > 0 ? avctx->qmin : 0, + .minQp.qpB = avctx->qmin > 0 ? avctx->qmin : 0, + + .useMaxQp = avctx->qmax > 0, + .maxQp.qpI = avctx->qmax > 0 ? avctx->qmax : 0, + .maxQp.qpP = avctx->qmax > 0 ? avctx->qmax : 0, + .maxQp.qpB = avctx->qmax > 0 ? avctx->qmax : 0, + + .useMaxFrameSize = 0, + }; + rc_layer->pNext = &hp->vkrc_layer_info; + hp->vkrc_info.temporalLayerCount = 1; + } + + return 0; +} + +static int vk_enc_h264_update_pic_info(AVCodecContext *avctx, + FFHWBaseEncodePicture *pic) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + VulkanEncodeH264Picture *hp = pic->codec_priv; + FFHWBaseEncodePicture *prev = pic->prev; + VulkanEncodeH264Picture *hprev = prev ? prev->codec_priv : NULL; + + if (pic->type == FF_HW_PICTURE_TYPE_IDR) { + av_assert0(pic->display_order == pic->encode_order); + + hp->frame_num = 0; + hp->last_idr_frame = pic->display_order; + hp->idr_pic_id = hprev ? hprev->idr_pic_id + 1 : 0; + + hp->primary_pic_type = 0; + hp->slice_type = STD_VIDEO_H264_SLICE_TYPE_I; + } else { + av_assert0(prev); + + hp->frame_num = hprev->frame_num + prev->is_reference; + + hp->last_idr_frame = hprev->last_idr_frame; + hp->idr_pic_id = hprev->idr_pic_id; + + if (pic->type == FF_HW_PICTURE_TYPE_I) { + hp->slice_type = STD_VIDEO_H264_SLICE_TYPE_I; + hp->primary_pic_type = 0; + } else if (pic->type == FF_HW_PICTURE_TYPE_P) { + hp->slice_type = STD_VIDEO_H264_SLICE_TYPE_P; + hp->primary_pic_type = 1; + } else { + hp->slice_type = STD_VIDEO_H264_SLICE_TYPE_B; + hp->primary_pic_type = 2; + } + } + + hp->pic_order_cnt = pic->display_order - hp->last_idr_frame; + if (enc->units.raw_sps.pic_order_cnt_type == 2) + hp->pic_order_cnt *= 2; + + hp->units_needed = 0; + + if (enc->unit_elems & UNIT_SEI_IDENTIFIER && pic->encode_order == 0) + hp->units_needed |= UNIT_SEI_IDENTIFIER; + + if (enc->unit_elems & UNIT_SEI_TIMING) { + enc->sei_pic_timing = (H264RawSEIPicTiming) { + .cpb_removal_delay = 2 * (pic->encode_order - hp->last_idr_frame), + .dpb_output_delay = 2 * (pic->display_order - pic->encode_order + ctx->base.max_b_depth), + }; + + hp->units_needed |= UNIT_SEI_TIMING; + } + + if (enc->unit_elems & UNIT_SEI_RECOVERY && pic->type == FF_HW_PICTURE_TYPE_I) { + enc->sei_recovery_point = (H264RawSEIRecoveryPoint) { + .recovery_frame_cnt = 0, + .exact_match_flag = 1, + .broken_link_flag = ctx->base.b_per_p > 0, + }; + + hp->units_needed |= UNIT_SEI_RECOVERY; + } + + if (enc->unit_elems & UNIT_SEI_A53_CC) { + int err; + size_t sei_a53cc_len; + av_freep(&enc->sei_a53cc_data); + err = ff_alloc_a53_sei(pic->input_image, 0, &enc->sei_a53cc_data, &sei_a53cc_len); + if (err < 0) + return err; + if (enc->sei_a53cc_data != NULL) { + enc->sei_a53cc.itu_t_t35_country_code = 181; + enc->sei_a53cc.data = (uint8_t *)enc->sei_a53cc_data + 1; + enc->sei_a53cc.data_length = sei_a53cc_len - 1; + + hp->units_needed |= UNIT_SEI_A53_CC; + } + } + + return 0; +} + +static void setup_slices(AVCodecContext *avctx, + FFHWBaseEncodePicture *pic) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + VulkanEncodeH264Picture *hp = pic->codec_priv; + + hp->slice_wt = (StdVideoEncodeH264WeightTable) { + .flags = (StdVideoEncodeH264WeightTableFlags) { + .luma_weight_l0_flag = 0, + .chroma_weight_l0_flag = 0, + .luma_weight_l1_flag = 0, + .chroma_weight_l1_flag = 0, + }, + .luma_log2_weight_denom = 0, + .chroma_log2_weight_denom = 0, + .luma_weight_l0 = { 0 }, + .luma_offset_l0 = { 0 }, + .chroma_weight_l0 = { { 0 } }, + .chroma_offset_l0 = { { 0 } }, + .luma_weight_l1 = { 0 }, + .luma_offset_l1 = { 0 }, + .chroma_weight_l1 = { { 0 } }, + .chroma_offset_l1 = { { 0 } }, + }; + + hp->slice_hdr = (StdVideoEncodeH264SliceHeader) { + .flags = (StdVideoEncodeH264SliceHeaderFlags) { + .direct_spatial_mv_pred_flag = 1, + /* The vk_samples code does this */ + .num_ref_idx_active_override_flag = + ((enc->units.raw_pps.num_ref_idx_l0_default_active_minus1) && + (pic->type == FF_HW_PICTURE_TYPE_B)) ? 1 : 0, + }, + .first_mb_in_slice = 1, + .slice_type = hp->slice_type, + .slice_alpha_c0_offset_div2 = 0, + .slice_beta_offset_div2 = 0, + .slice_qp_delta = 0, /* Filled in below */ + /* Reserved */ + .cabac_init_idc = 0, + .disable_deblocking_filter_idc = 0, + .pWeightTable = NULL, // &hp->slice_wt, + }; + + hp->vkslice = (VkVideoEncodeH264NaluSliceInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_NALU_SLICE_INFO_KHR, + .pNext = NULL, + .constantQp = pic->type == FF_HW_PICTURE_TYPE_B ? enc->fixed_qp_b : + pic->type == FF_HW_PICTURE_TYPE_P ? enc->fixed_qp_p : + enc->fixed_qp_idr, + .pStdSliceHeader = &hp->slice_hdr, + }; + + hp->slice_hdr.slice_qp_delta = hp->vkslice.constantQp - + (enc->units.raw_pps.pic_init_qp_minus26 + 26); + + if (enc->common.opts.rc_mode != VK_VIDEO_ENCODE_RATE_CONTROL_MODE_DISABLED_BIT_KHR) + hp->vkslice.constantQp = 0; + + hp->vkh264pic_info.pNaluSliceEntries = &hp->vkslice; + hp->vkh264pic_info.naluSliceEntryCount = 1; +} + +static void vk_enc_h264_default_ref_pic_list(AVCodecContext *avctx, + FFHWBaseEncodePicture *pic, + FFHWBaseEncodePicture **rpl0, + FFHWBaseEncodePicture **rpl1, + int *rpl_size) +{ + FFHWBaseEncodePicture *prev; + VulkanEncodeH264Picture *hp, *hn, *hc; + int i, j, n = 0; + + prev = pic->prev; + av_assert0(prev); + hp = pic->codec_priv; + + for (i = 0; i < pic->prev->nb_dpb_pics; i++) { + hn = prev->dpb[i]->codec_priv; + av_assert0(hn->frame_num < hp->frame_num); + + if (pic->type == FF_HW_PICTURE_TYPE_P) { + for (j = n; j > 0; j--) { + hc = rpl0[j - 1]->codec_priv; + av_assert0(hc->frame_num != hn->frame_num); + if (hc->frame_num > hn->frame_num) + break; + rpl0[j] = rpl0[j - 1]; + } + rpl0[j] = prev->dpb[i]; + + } else if (pic->type == FF_HW_PICTURE_TYPE_B) { + for (j = n; j > 0; j--) { + hc = rpl0[j - 1]->codec_priv; + av_assert0(hc->pic_order_cnt != hp->pic_order_cnt); + if (hc->pic_order_cnt < hp->pic_order_cnt) { + if (hn->pic_order_cnt > hp->pic_order_cnt || + hn->pic_order_cnt < hc->pic_order_cnt) + break; + } else { + if (hn->pic_order_cnt > hc->pic_order_cnt) + break; + } + rpl0[j] = rpl0[j - 1]; + } + rpl0[j] = prev->dpb[i]; + + for (j = n; j > 0; j--) { + hc = rpl1[j - 1]->codec_priv; + av_assert0(hc->pic_order_cnt != hp->pic_order_cnt); + if (hc->pic_order_cnt > hp->pic_order_cnt) { + if (hn->pic_order_cnt < hp->pic_order_cnt || + hn->pic_order_cnt > hc->pic_order_cnt) + break; + } else { + if (hn->pic_order_cnt < hc->pic_order_cnt) + break; + } + rpl1[j] = rpl1[j - 1]; + } + rpl1[j] = prev->dpb[i]; + } + + ++n; + } + + if (pic->type == FF_HW_PICTURE_TYPE_B) { + for (i = 0; i < n; i++) { + if (rpl0[i] != rpl1[i]) + break; + } + if (i == n) + FFSWAP(FFHWBaseEncodePicture *, rpl1[0], rpl1[1]); + } + + if (pic->type == FF_HW_PICTURE_TYPE_P || + pic->type == FF_HW_PICTURE_TYPE_B) { + av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:", + hp->frame_num, hp->pic_order_cnt); + for (i = 0; i < n; i++) { + hn = rpl0[i]->codec_priv; + av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d", + hn->frame_num, hn->pic_order_cnt); + } + av_log(avctx, AV_LOG_DEBUG, "\n"); + } + if (pic->type == FF_HW_PICTURE_TYPE_B) { + av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:", + hp->frame_num, hp->pic_order_cnt); + for (i = 0; i < n; i++) { + hn = rpl1[i]->codec_priv; + av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d", + hn->frame_num, hn->pic_order_cnt); + } + av_log(avctx, AV_LOG_DEBUG, "\n"); + } + + *rpl_size = n; +} + +static void setup_refs(AVCodecContext *avctx, + FFHWBaseEncodePicture *pic, + VkVideoEncodeInfoKHR *encode_info) +{ + int n, i, j; + VulkanEncodeH264Context *enc = avctx->priv_data; + VulkanEncodeH264Picture *hp = pic->codec_priv; + FFHWBaseEncodePicture *prev = pic->prev; + FFHWBaseEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE]; + VulkanEncodeH264Picture *href; + + hp->ref_list_info = (StdVideoEncodeH264ReferenceListsInfo) { + .flags = (StdVideoEncodeH264ReferenceListsInfoFlags) { + .ref_pic_list_modification_flag_l0 = 0, + .ref_pic_list_modification_flag_l1 = 0, + /* Reserved */ + }, + /* May be overridden during setup_slices() */ + .num_ref_idx_l0_active_minus1 = pic->nb_refs[0] - 1, + .num_ref_idx_l1_active_minus1 = pic->nb_refs[1] - 1, + /* .RefPicList0 is set in vk_enc_h264_default_ref_pic_list() */ + /* .RefPicList1 is set in vk_enc_h264_default_ref_pic_list() */ + /* Reserved */ + .pRefList0ModOperations = NULL, /* All set below */ + .refList0ModOpCount = 0, + .pRefList1ModOperations = NULL, + .refList1ModOpCount = 0, + .pRefPicMarkingOperations = NULL, + .refPicMarkingOpCount = 0, + }; + + for (i = 0; i < STD_VIDEO_H264_MAX_NUM_LIST_REF; i++) + hp->ref_list_info.RefPicList0[i] = hp->ref_list_info.RefPicList1[i] = -1; + + /* Note: really not sure */ + for (int i = 0; i < pic->nb_refs[0]; i++) { + VkVideoReferenceSlotInfoKHR *slot_info; + slot_info = (VkVideoReferenceSlotInfoKHR *)&encode_info->pReferenceSlots[i]; + hp->ref_list_info.RefPicList0[i] = slot_info->slotIndex; + } + + /* Note: really not sure */ + for (int i = 0; i < pic->nb_refs[1]; i++) { + VkVideoReferenceSlotInfoKHR *slot_info; + slot_info = (VkVideoReferenceSlotInfoKHR *)&encode_info->pReferenceSlots[pic->nb_refs[0] + i]; + hp->ref_list_info.RefPicList1[i] = slot_info->slotIndex; + } + + hp->h264pic_info.pRefLists = &hp->ref_list_info; + + if (pic->is_reference && pic->type != FF_HW_PICTURE_TYPE_IDR) { + FFHWBaseEncodePicture *discard_list[MAX_DPB_SIZE]; + int discard = 0, keep = 0; + + // Discard everything which is in the DPB of the previous frame but + // not in the DPB of this one. + for (i = 0; i < prev->nb_dpb_pics; i++) { + for (j = 0; j < pic->nb_dpb_pics; j++) { + if (prev->dpb[i] == pic->dpb[j]) + break; + } + if (j == pic->nb_dpb_pics) { + discard_list[discard] = prev->dpb[i]; + ++discard; + } else { + ++keep; + } + } + av_assert0(keep <= enc->units.dpb_frames); + + if (discard == 0) { + hp->h264pic_info.flags.adaptive_ref_pic_marking_mode_flag = 0; + } else { + hp->h264pic_info.flags.adaptive_ref_pic_marking_mode_flag = 1; + for (i = 0; i < discard; i++) { + VulkanEncodeH264Picture *old = discard_list[i]->codec_priv; + av_assert0(old->frame_num < hp->frame_num); + hp->mmco[i] = (StdVideoEncodeH264RefPicMarkingEntry) { + .memory_management_control_operation = 1, + .difference_of_pic_nums_minus1 = hp->frame_num - old->frame_num - 1, + }; + } + hp->mmco[i] = (StdVideoEncodeH264RefPicMarkingEntry) { + .memory_management_control_operation = 0, + }; + hp->ref_list_info.pRefPicMarkingOperations = hp->mmco; + hp->ref_list_info.refPicMarkingOpCount = i + 1; + } + } + + if (pic->type == FF_HW_PICTURE_TYPE_I || pic->type == FF_HW_PICTURE_TYPE_IDR) + return; + + // If the intended references are not the first entries of RefPicListN + // by default, use ref-pic-list-modification to move them there. + vk_enc_h264_default_ref_pic_list(avctx, pic, + def_l0, def_l1, &n); + + if (pic->type == FF_HW_PICTURE_TYPE_P) { + int need_rplm = 0; + for (i = 0; i < pic->nb_refs[0]; i++) { + av_assert0(pic->refs[0][i]); + if (pic->refs[0][i] != (FFHWBaseEncodePicture *)def_l0[i]) + need_rplm = 1; + } + + hp->ref_list_info.flags.ref_pic_list_modification_flag_l0 = need_rplm; + if (need_rplm) { + int pic_num = hp->frame_num; + for (i = 0; i < pic->nb_refs[0]; i++) { + href = pic->refs[0][i]->codec_priv; + av_assert0(href->frame_num != pic_num); + if (href->frame_num < pic_num) { + hp->mods[0][i] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 0, + .abs_diff_pic_num_minus1 = pic_num - href->frame_num - 1, + }; + } else { + hp->mods[0][i] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 1, + .abs_diff_pic_num_minus1 = href->frame_num - pic_num - 1, + }; + } + pic_num = href->frame_num; + } + hp->ref_list_info.pRefList0ModOperations = hp->mods[0]; + hp->ref_list_info.refList0ModOpCount = i - 1; + } + } else { + int need_rplm_l0 = 0, need_rplm_l1 = 0; + int n0 = 0, n1 = 0; + for (i = 0; i < pic->nb_refs[0]; i++) { + av_assert0(pic->refs[0][i]); + href = pic->refs[0][i]->codec_priv; + av_assert0(href->pic_order_cnt < hp->pic_order_cnt); + if (pic->refs[0][i] != (FFHWBaseEncodePicture *)def_l0[n0]) + need_rplm_l0 = 1; + ++n0; + } + + for (int i = 0; i < pic->nb_refs[1]; i++) { + av_assert0(pic->refs[1][i]); + href = pic->refs[1][i]->codec_priv; + av_assert0(href->pic_order_cnt > hp->pic_order_cnt); + if (pic->refs[1][i] != (FFHWBaseEncodePicture *)def_l1[n1]) + need_rplm_l1 = 1; + ++n1; + } + + hp->ref_list_info.flags.ref_pic_list_modification_flag_l0 = need_rplm_l0; + if (need_rplm_l0) { + int pic_num = hp->frame_num; + for (i = j = 0; i < pic->nb_refs[0]; i++) { + href = pic->refs[0][i]->codec_priv; + av_assert0(href->frame_num != pic_num); + if (href->frame_num < pic_num) { + hp->mods[0][j] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 0, + .abs_diff_pic_num_minus1 = pic_num - href->frame_num - 1, + }; + } else { + hp->mods[0][j] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 1, + .abs_diff_pic_num_minus1 = href->frame_num - pic_num - 1, + }; + } + pic_num = href->frame_num; + ++j; + } + hp->ref_list_info.pRefList0ModOperations = hp->mods[0]; + hp->ref_list_info.refList0ModOpCount = j - 1; + } + + hp->ref_list_info.flags.ref_pic_list_modification_flag_l1 = need_rplm_l1; + if (need_rplm_l1) { + int pic_num = hp->frame_num; + for (i = j = 0; i < pic->nb_refs[1]; i++) { + href = pic->refs[1][i]->codec_priv; + av_assert0(href->frame_num != pic_num); + if (href->frame_num < pic_num) { + hp->mods[1][j] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 0, + .abs_diff_pic_num_minus1 = pic_num - href->frame_num - 1, + }; + } else { + hp->mods[1][j] = (StdVideoEncodeH264RefListModEntry) { + .modification_of_pic_nums_idc = 1, + .abs_diff_pic_num_minus1 = href->frame_num - pic_num - 1, + }; + } + pic_num = href->frame_num; + ++j; + } + hp->ref_list_info.pRefList1ModOperations = hp->mods[1]; + hp->ref_list_info.refList1ModOpCount = j - 1; + } + } +} + +static int init_pic_params(AVCodecContext *avctx, FFHWBaseEncodePicture *pic, + VkVideoEncodeInfoKHR *encode_info) +{ + int err; + FFVulkanEncodePicture *vp = pic->priv; + VulkanEncodeH264Picture *hp = pic->codec_priv; + VkVideoReferenceSlotInfoKHR *ref_slot; + + err = vk_enc_h264_update_pic_info(avctx, pic); + if (err < 0) + return err; + + hp->vkh264pic_info = (VkVideoEncodeH264PictureInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_PICTURE_INFO_KHR, + .pNext = NULL, + .pNaluSliceEntries = NULL, // Filled in during setup_slices() + .naluSliceEntryCount = 0, // Filled in during setup_slices() + .pStdPictureInfo = &hp->h264pic_info, + }; + + hp->h264pic_info = (StdVideoEncodeH264PictureInfo) { + .flags = (StdVideoEncodeH264PictureInfoFlags) { + .IdrPicFlag = pic->type == FF_HW_PICTURE_TYPE_IDR, + .is_reference = pic->is_reference, + .no_output_of_prior_pics_flag = 0, + .long_term_reference_flag = 0, + .adaptive_ref_pic_marking_mode_flag = 0, // Filled in during setup_refs() + /* Reserved */ + }, + .seq_parameter_set_id = 0, + .pic_parameter_set_id = 0, + .idr_pic_id = hp->idr_pic_id, + .primary_pic_type = pic->type == FF_HW_PICTURE_TYPE_P ? STD_VIDEO_H264_PICTURE_TYPE_P : + pic->type == FF_HW_PICTURE_TYPE_B ? STD_VIDEO_H264_PICTURE_TYPE_B : + pic->type == FF_HW_PICTURE_TYPE_I ? STD_VIDEO_H264_PICTURE_TYPE_I : + STD_VIDEO_H264_PICTURE_TYPE_IDR, + .frame_num = hp->frame_num, + .PicOrderCnt = hp->pic_order_cnt, + .temporal_id = 0, /* ? */ + /* Reserved */ + .pRefLists = NULL, // Filled in during setup_refs + }; + encode_info->pNext = &hp->vkh264pic_info; + + hp->h264dpb_info = (StdVideoEncodeH264ReferenceInfo) { + .flags = (StdVideoEncodeH264ReferenceInfoFlags) { + .used_for_long_term_reference = 0, + /* Reserved */ + }, + .primary_pic_type = hp->h264pic_info.primary_pic_type, + .FrameNum = hp->h264pic_info.frame_num, + .PicOrderCnt = hp->h264pic_info.PicOrderCnt, + .long_term_pic_num = 0, + .long_term_frame_idx = 0, + .temporal_id = hp->h264pic_info.temporal_id, + }; + hp->vkh264dpb_info = (VkVideoEncodeH264DpbSlotInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_DPB_SLOT_INFO_KHR, + .pStdReferenceInfo = &hp->h264dpb_info, + }; + + vp->dpb_slot.pNext = &hp->vkh264dpb_info; + + ref_slot = (VkVideoReferenceSlotInfoKHR *)encode_info->pSetupReferenceSlot; + ref_slot->pNext = &hp->vkh264dpb_info; + + setup_refs(avctx, pic, encode_info); + + setup_slices(avctx, pic); + + return 0; +} + +static int init_profile(AVCodecContext *avctx, + VkVideoProfileInfoKHR *profile, void *pnext) +{ + VkResult ret; + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + FFVulkanContext *s = &ctx->s; + FFVulkanFunctions *vk = &ctx->s.vkfn; + VkVideoEncodeH264CapabilitiesKHR h264_caps = { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_CAPABILITIES_KHR, + }; + VkVideoEncodeCapabilitiesKHR enc_caps = { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_CAPABILITIES_KHR, + .pNext = &h264_caps, + }; + VkVideoCapabilitiesKHR caps = { + .sType = VK_STRUCTURE_TYPE_VIDEO_CAPABILITIES_KHR, + .pNext = &enc_caps, + }; + + /* In order of preference */ + int last_supported = AV_PROFILE_UNKNOWN; + static const int known_profiles[] = { + AV_PROFILE_H264_CONSTRAINED_BASELINE, + AV_PROFILE_H264_MAIN, + AV_PROFILE_H264_HIGH, + AV_PROFILE_H264_HIGH_10, + }; + + enc->profile = (VkVideoEncodeH264ProfileInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_PROFILE_INFO_KHR, + .pNext = pnext, + .stdProfileIdc = ff_vk_h264_profile_to_vk(avctx->profile), + }; + profile->pNext = &enc->profile; + + /* User has explicitly specified a profile. */ + if (avctx->profile != AV_PROFILE_UNKNOWN) + return 0; + + av_log(avctx, AV_LOG_DEBUG, "Supported profiles:\n"); + for (int i = 0; i < FF_ARRAY_ELEMS(known_profiles); i++) { + enc->profile.stdProfileIdc = ff_vk_h264_profile_to_vk(known_profiles[i]); + ret = vk->GetPhysicalDeviceVideoCapabilitiesKHR(s->hwctx->phys_dev, + profile, + &caps); + if (ret == VK_SUCCESS) { + av_log(avctx, AV_LOG_DEBUG, " %s\n", + avcodec_profile_name(avctx->codec_id, known_profiles[i])); + last_supported = known_profiles[i]; + } + } + + if (last_supported == AV_PROFILE_UNKNOWN) { + av_log(avctx, AV_LOG_ERROR, "No supported profiles for given format\n"); + return AVERROR(ENOTSUP); + } + + enc->profile.stdProfileIdc = ff_vk_h264_profile_to_vk(last_supported); + av_log(avctx, AV_LOG_VERBOSE, "Using profile %s\n", + avcodec_profile_name(avctx->codec_id, last_supported)); + avctx->profile = last_supported; + + return 0; +} + +static int init_enc_options(AVCodecContext *avctx) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + FFHWBaseEncodeH264Opts *unit_opts = &enc->unit_opts; + + if (avctx->rc_buffer_size) + unit_opts->hrd_buffer_size = avctx->rc_buffer_size; + else if (avctx->rc_max_rate > 0) + unit_opts->hrd_buffer_size = avctx->rc_max_rate; + else + unit_opts->hrd_buffer_size = avctx->bit_rate; + + if (avctx->rc_initial_buffer_occupancy) { + if (avctx->rc_initial_buffer_occupancy > unit_opts->hrd_buffer_size) { + av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: " + "must have initial buffer size (%d) <= " + "buffer size (%"PRId64").\n", + avctx->rc_initial_buffer_occupancy, unit_opts->hrd_buffer_size); + return AVERROR(EINVAL); + } + unit_opts->initial_buffer_fullness = avctx->rc_initial_buffer_occupancy; + } else { + unit_opts->initial_buffer_fullness = unit_opts->hrd_buffer_size * 3 / 4; + } + + if (enc->common.opts.rc_mode == VK_VIDEO_ENCODE_RATE_CONTROL_MODE_DISABLED_BIT_KHR) { + /* HRD info is required for timing */ + enc->unit_elems &= ~UNIT_SEI_TIMING; + + enc->fixed_qp_p = av_clip(enc->common.opts.qp, 0, 51); + if (avctx->i_quant_factor > 0.0) + unit_opts->fixed_qp_idr = av_clip((avctx->i_quant_factor * enc->fixed_qp_p + + avctx->i_quant_offset) + 0.5, 0, 51); + else + unit_opts->fixed_qp_idr = enc->fixed_qp_p; + + if (avctx->b_quant_factor > 0.0) + enc->fixed_qp_b = av_clip((avctx->b_quant_factor * enc->fixed_qp_p + + avctx->b_quant_offset) + 0.5, 0, 51); + else + enc->fixed_qp_b = enc->fixed_qp_p; + + av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = " + "%d / %d / %d for IDR- / P- / B-frames.\n", + unit_opts->fixed_qp_idr, enc->fixed_qp_p, enc->fixed_qp_b); + } else { + unit_opts->fixed_qp_idr = 26; + enc->fixed_qp_p = 26; + enc->fixed_qp_b = 26; + } + + return 0; +} + +static av_cold int init_sequence_headers(AVCodecContext *avctx) +{ + int err; + VulkanEncodeH264Context *enc = avctx->priv_data; + + FFHWBaseEncodeH264 *units = &enc->units; + FFHWBaseEncodeH264Opts *unit_opts = &enc->unit_opts; + + unit_opts->bit_rate = avctx->bit_rate; + unit_opts->mb_width = FFALIGN(avctx->width, 16) / 16; + unit_opts->mb_height = FFALIGN(avctx->height, 16) / 16; + unit_opts->flags = enc->unit_elems & UNIT_SEI_TIMING ? FF_HW_H264_SEI_TIMING : 0; + + /* cabac already set via an option */ + /* fixed_qp_idr initialized in init_enc_options() */ + /* hrd_buffer_size initialized in init_enc_options() */ + /* initial_buffer_fullness initialized in init_enc_options() */ + + err = ff_hw_base_encode_init_params_h264(&enc->common.base, avctx, + units, unit_opts); + if (err < 0) + return err; + + units->raw_sps.seq_scaling_matrix_present_flag = + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_SCALING_MATRIX_PRESENT_FLAG_SET_BIT_KHR); + units->raw_pps.pic_scaling_matrix_present_flag = + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_SCALING_MATRIX_PRESENT_FLAG_SET_BIT_KHR); + units->raw_pps.transform_8x8_mode_flag = + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_TRANSFORM_8X8_MODE_FLAG_SET_BIT_KHR); + + return 0; +} + +typedef struct VulkanH264Units { + StdVideoH264SequenceParameterSet vksps; + StdVideoH264ScalingLists vksps_scaling; + StdVideoH264HrdParameters vksps_vui_header; + StdVideoH264SequenceParameterSetVui vksps_vui; + + StdVideoH264PictureParameterSet vkpps; + StdVideoH264ScalingLists vkpps_scaling; +} VulkanH264Units; + +static av_cold int base_unit_to_vk(AVCodecContext *avctx, + VulkanH264Units *vk_units) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + + FFHWBaseEncodeH264 *units = &enc->units; + + H264RawSPS *sps = &units->raw_sps; + H264RawHRD *hrd = &sps->vui.nal_hrd_parameters; + StdVideoH264ScalingLists *vksps_scaling = &vk_units->vksps_scaling; + StdVideoH264HrdParameters *vksps_vui_header = &vk_units->vksps_vui_header; + StdVideoH264SequenceParameterSetVui *vksps_vui = &vk_units->vksps_vui; + StdVideoH264SequenceParameterSet *vksps = &vk_units->vksps; + + H264RawPPS *pps = &units->raw_pps; + StdVideoH264ScalingLists *vkpps_scaling = &vk_units->vkpps_scaling; + StdVideoH264PictureParameterSet *vkpps = &vk_units->vkpps; + + *vksps_scaling = (StdVideoH264ScalingLists) { + .scaling_list_present_mask = 0x0, // mask + .use_default_scaling_matrix_mask = 1, + }; + + *vksps_vui_header = (StdVideoH264HrdParameters) { + .cpb_cnt_minus1 = hrd->cpb_cnt_minus1, + .bit_rate_scale = hrd->bit_rate_scale, + .cpb_size_scale = hrd->cpb_size_scale, + /* Reserved */ + /* bit_rate/cpb_size/cbr_flag set below */ + .initial_cpb_removal_delay_length_minus1 = hrd->initial_cpb_removal_delay_length_minus1, + .cpb_removal_delay_length_minus1 = hrd->cpb_removal_delay_length_minus1, + .dpb_output_delay_length_minus1 = hrd->dpb_output_delay_length_minus1, + .time_offset_length = hrd->time_offset_length, + }; + + for (int i = 0; i < H264_MAX_CPB_CNT; i++) { + vksps_vui_header->bit_rate_value_minus1[i] = hrd->bit_rate_value_minus1[i]; + vksps_vui_header->cpb_size_value_minus1[i] = hrd->cpb_size_value_minus1[i]; + vksps_vui_header->cbr_flag[i] = hrd->cbr_flag[i]; + } + + *vksps_vui = (StdVideoH264SequenceParameterSetVui) { + .flags = (StdVideoH264SpsVuiFlags) { + .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag, + .overscan_info_present_flag = sps->vui.overscan_info_present_flag, + .overscan_appropriate_flag = sps->vui.overscan_appropriate_flag, + .video_signal_type_present_flag = sps->vui.video_signal_type_present_flag, + .video_full_range_flag = sps->vui.video_full_range_flag, + .color_description_present_flag = sps->vui.colour_description_present_flag, + .chroma_loc_info_present_flag = sps->vui.chroma_loc_info_present_flag, + .timing_info_present_flag = sps->vui.timing_info_present_flag, + .fixed_frame_rate_flag = sps->vui.fixed_frame_rate_flag, + .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag, + .nal_hrd_parameters_present_flag = sps->vui.nal_hrd_parameters_present_flag, + .vcl_hrd_parameters_present_flag = sps->vui.vcl_hrd_parameters_present_flag, + }, + .aspect_ratio_idc = sps->vui.aspect_ratio_idc, + .sar_width = sps->vui.sar_width, + .sar_height = sps->vui.sar_height, + .video_format = sps->vui.video_format, + .colour_primaries = sps->vui.colour_primaries, + .transfer_characteristics = sps->vui.transfer_characteristics, + .matrix_coefficients = sps->vui.matrix_coefficients, + .num_units_in_tick = sps->vui.num_units_in_tick, + .time_scale = sps->vui.time_scale, + .max_num_reorder_frames = sps->vui.max_num_reorder_frames, + .max_dec_frame_buffering = sps->vui.max_dec_frame_buffering, + .chroma_sample_loc_type_top_field = sps->vui.chroma_sample_loc_type_top_field, + .chroma_sample_loc_type_bottom_field = sps->vui.chroma_sample_loc_type_bottom_field, + /* Reserved */ + .pHrdParameters = vksps_vui_header, + }; + + *vksps = (StdVideoH264SequenceParameterSet) { + .flags = (StdVideoH264SpsFlags) { + .constraint_set0_flag = sps->constraint_set0_flag, + .constraint_set1_flag = sps->constraint_set1_flag, + .constraint_set2_flag = sps->constraint_set2_flag, + .constraint_set3_flag = sps->constraint_set3_flag, + .constraint_set4_flag = sps->constraint_set4_flag, + .constraint_set5_flag = sps->constraint_set5_flag, + .direct_8x8_inference_flag = sps->direct_8x8_inference_flag, + .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag, + .frame_mbs_only_flag = sps->frame_mbs_only_flag, + .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag, + .separate_colour_plane_flag = sps->separate_colour_plane_flag, + .gaps_in_frame_num_value_allowed_flag = sps->gaps_in_frame_num_allowed_flag, + .qpprime_y_zero_transform_bypass_flag = sps->qpprime_y_zero_transform_bypass_flag, + .frame_cropping_flag = sps->frame_cropping_flag, + .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag, + .vui_parameters_present_flag = sps->vui_parameters_present_flag, + }, + .profile_idc = ff_vk_h264_profile_to_vk(sps->profile_idc), + .level_idc = ff_vk_h264_level_to_vk(sps->level_idc), + .chroma_format_idc = sps->chroma_format_idc, + .seq_parameter_set_id = sps->seq_parameter_set_id, + .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8, + .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8, + .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4, + .pic_order_cnt_type = sps->pic_order_cnt_type, + .offset_for_non_ref_pic = sps->offset_for_non_ref_pic, + .offset_for_top_to_bottom_field = sps->offset_for_top_to_bottom_field, + .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4, + .num_ref_frames_in_pic_order_cnt_cycle = sps->num_ref_frames_in_pic_order_cnt_cycle, + .max_num_ref_frames = sps->max_num_ref_frames, + /* Reserved */ + .pic_width_in_mbs_minus1 = sps->pic_width_in_mbs_minus1, + .pic_height_in_map_units_minus1 = sps->pic_height_in_map_units_minus1, + .frame_crop_left_offset = sps->frame_crop_left_offset, + .frame_crop_right_offset = sps->frame_crop_right_offset, + .frame_crop_top_offset = sps->frame_crop_top_offset, + .frame_crop_bottom_offset = sps->frame_crop_bottom_offset, + /* Reserved */ + .pOffsetForRefFrame = sps->offset_for_ref_frame, + .pScalingLists = vksps_scaling, + .pSequenceParameterSetVui = vksps_vui, + }; + + *vkpps_scaling = (StdVideoH264ScalingLists) { + .scaling_list_present_mask = 0x0, // mask + .use_default_scaling_matrix_mask = 1, + }; + + *vkpps = (StdVideoH264PictureParameterSet) { + .flags = (StdVideoH264PpsFlags) { + .transform_8x8_mode_flag = pps->transform_8x8_mode_flag, + .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag, + .constrained_intra_pred_flag = pps->constrained_intra_pred_flag, + .deblocking_filter_control_present_flag = pps->deblocking_filter_control_present_flag, + .weighted_pred_flag = pps->weighted_pred_flag, + .bottom_field_pic_order_in_frame_present_flag = pps->bottom_field_pic_order_in_frame_present_flag, + .entropy_coding_mode_flag = pps->entropy_coding_mode_flag, + .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag, + }, + .seq_parameter_set_id = pps->seq_parameter_set_id, + .pic_parameter_set_id = pps->pic_parameter_set_id, + .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active_minus1, + .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active_minus1, + .weighted_bipred_idc = pps->weighted_bipred_idc, + .pic_init_qp_minus26 = pps->pic_init_qp_minus26, + .pic_init_qs_minus26 = pps->pic_init_qs_minus26, + .chroma_qp_index_offset = pps->chroma_qp_index_offset, + .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset, + .pScalingLists = vkpps_scaling, + }; + + return 0; +} + +static int create_session_params(AVCodecContext *avctx) +{ + int err; + VkResult ret; + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + FFVulkanContext *s = &ctx->s; + FFVulkanFunctions *vk = &ctx->s.vkfn; + + VulkanH264Units vk_units = { 0 }; + + VkVideoEncodeH264SessionParametersAddInfoKHR h264_params_info; + VkVideoEncodeH264SessionParametersCreateInfoKHR h264_params; + VkVideoSessionParametersCreateInfoKHR session_params_create; + + /* Convert it to Vulkan */ + err = base_unit_to_vk(avctx, &vk_units); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Unable to convert SPS/PPS units to Vulkan: %s\n", + av_err2str(err)); + return err; + } + + /* Destroy the session params */ + if (ctx->session_params) + vk->DestroyVideoSessionParametersKHR(s->hwctx->act_dev, + ctx->session_params, + s->hwctx->alloc); + + h264_params_info = (VkVideoEncodeH264SessionParametersAddInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_ADD_INFO_KHR, + .pStdSPSs = &vk_units.vksps, + .stdSPSCount = 1, + .pStdPPSs = &vk_units.vkpps, + .stdPPSCount = 1, + }; + h264_params = (VkVideoEncodeH264SessionParametersCreateInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_CREATE_INFO_KHR, + .maxStdSPSCount = 1, + .maxStdPPSCount = 1, + .pParametersAddInfo = &h264_params_info, + }; + session_params_create = (VkVideoSessionParametersCreateInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR, + .pNext = &h264_params, + .videoSession = ctx->common.session, + .videoSessionParametersTemplate = NULL, + }; + + /* Create session parameters */ + ret = vk->CreateVideoSessionParametersKHR(s->hwctx->act_dev, &session_params_create, + s->hwctx->alloc, &ctx->session_params); + if (ret != VK_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Unable to create Vulkan video session parameters: %s!\n", + ff_vk_ret2str(ret)); + return AVERROR_EXTERNAL; + } + + return 0; +} + +static int parse_feedback_units(AVCodecContext *avctx, + const uint8_t *data, size_t size, + int sps_override, int pps_override) +{ + int err; + VulkanEncodeH264Context *enc = avctx->priv_data; + + CodedBitstreamContext *cbs; + CodedBitstreamFragment au = { 0 }; + + err = ff_cbs_init(&cbs, AV_CODEC_ID_H264, avctx); + if (err < 0) + return err; + + err = ff_cbs_read(cbs, &au, data, size); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Unable to parse feedback units, bad drivers: %s\n", + av_err2str(err)); + return err; + } + + /* If PPS has an override, just copy it entirely. */ + if (pps_override) { + for (int i = 0; i < au.nb_units; i++) { + if (au.units[i].type == H264_NAL_PPS) { + H264RawPPS *pps = au.units[i].content; + memcpy(&enc->units.raw_pps, pps, sizeof(*pps)); + break; + } + } + } + + ff_cbs_fragment_free(&au); + ff_cbs_close(&cbs); + + return 0; +} + +static int init_base_units(AVCodecContext *avctx) +{ + int err; + VkResult ret; + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + FFVulkanContext *s = &ctx->s; + FFVulkanFunctions *vk = &ctx->s.vkfn; + + VkVideoEncodeH264SessionParametersGetInfoKHR h264_params_info; + VkVideoEncodeSessionParametersGetInfoKHR params_info; + VkVideoEncodeH264SessionParametersFeedbackInfoKHR h264_params_feedback; + VkVideoEncodeSessionParametersFeedbackInfoKHR params_feedback; + + void *data = NULL; + size_t data_size = 0; + + /* Generate SPS/PPS unit info */ + err = init_sequence_headers(avctx); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Unable to initialize SPS/PPS units: %s\n", + av_err2str(err)); + return err; + } + + /* Create session parameters from them */ + err = create_session_params(avctx); + if (err < 0) + return err; + + h264_params_info = (VkVideoEncodeH264SessionParametersGetInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_GET_INFO_KHR, + .writeStdSPS = 1, + .writeStdPPS = 1, + .stdSPSId = enc->units.raw_sps.seq_parameter_set_id, + .stdPPSId = enc->units.raw_pps.pic_parameter_set_id, + }; + params_info = (VkVideoEncodeSessionParametersGetInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_SESSION_PARAMETERS_GET_INFO_KHR, + .pNext = &h264_params_info, + .videoSessionParameters = ctx->session_params, + }; + + h264_params_feedback = (VkVideoEncodeH264SessionParametersFeedbackInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_FEEDBACK_INFO_KHR, + }; + params_feedback = (VkVideoEncodeSessionParametersFeedbackInfoKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_SESSION_PARAMETERS_FEEDBACK_INFO_KHR, + .pNext = &h264_params_feedback, + }; + + ret = vk->GetEncodedVideoSessionParametersKHR(s->hwctx->act_dev, ¶ms_info, + ¶ms_feedback, + &data_size, data); + if (ret == VK_INCOMPLETE || + (ret == VK_SUCCESS) && (data_size > 0)) { + data = av_mallocz(data_size); + if (!data) + return AVERROR(ENOMEM); + } else { + av_log(avctx, AV_LOG_ERROR, "Unable to get feedback for H.264 units = %lu\n", data_size); + return err; + } + + ret = vk->GetEncodedVideoSessionParametersKHR(s->hwctx->act_dev, ¶ms_info, + ¶ms_feedback, + &data_size, data); + if (ret != VK_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Error writing feedback units\n"); + return err; + } + + av_log(avctx, AV_LOG_VERBOSE, "Feedback units written, overrides: %i (SPS: %i PPS: %i)\n", + params_feedback.hasOverrides, + h264_params_feedback.hasStdSPSOverrides, + h264_params_feedback.hasStdPPSOverrides); + + params_feedback.hasOverrides = 1; + h264_params_feedback.hasStdPPSOverrides = 1; + + /* No need to sync any overrides */ + if (!params_feedback.hasOverrides) + return 0; + + /* Parse back tne units and override */ + err = parse_feedback_units(avctx, data, data_size, + h264_params_feedback.hasStdSPSOverrides, + h264_params_feedback.hasStdPPSOverrides); + if (err < 0) + return err; + + /* Create final session parameters */ + err = create_session_params(avctx); + if (err < 0) + return err; + + return 0; +} + +static int vulkan_encode_h264_add_nal(AVCodecContext *avctx, + CodedBitstreamFragment *au, + void *nal_unit) +{ + H264RawNALUnitHeader *header = nal_unit; + + int err = ff_cbs_insert_unit_content(au, -1, + header->nal_unit_type, nal_unit, NULL); + if (err < 0) + av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: " + "type = %d.\n", header->nal_unit_type); + + return err; +} + +static int write_access_unit(AVCodecContext *avctx, + uint8_t *data, size_t *data_len, + CodedBitstreamFragment *au) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + + int err = ff_cbs_write_fragment_data(enc->cbs, au); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n"); + return err; + } + + if (*data_len < au->data_size) { + av_log(avctx, AV_LOG_ERROR, "Access unit too large: %zu < %zu.\n", + *data_len, au->data_size); + return AVERROR(ENOSPC); + } + + memcpy(data, au->data, au->data_size); + *data_len = au->data_size; + + return 0; +} + +static int write_sequence_header(AVCodecContext *avctx, + FFHWBaseEncodePicture *base_pic, + uint8_t *data, size_t *data_len) +{ + int err; + VulkanEncodeH264Context *enc = avctx->priv_data; + VulkanEncodeH264Picture *hp = base_pic ? base_pic->codec_priv : NULL; + CodedBitstreamFragment *au = &enc->current_access_unit; + + if (hp && hp->units_needed & UNIT_AUD) { + err = vulkan_encode_h264_add_nal(avctx, au, &enc->raw_aud); + if (err < 0) + goto fail; + } + + err = vulkan_encode_h264_add_nal(avctx, au, &enc->units.raw_sps); + if (err < 0) + goto fail; + + err = vulkan_encode_h264_add_nal(avctx, au, &enc->units.raw_pps); + if (err < 0) + goto fail; + + err = write_access_unit(avctx, data, data_len, au); +fail: + ff_cbs_fragment_reset(au); + return err; +} + +static int write_extra_headers(AVCodecContext *avctx, + FFHWBaseEncodePicture *base_pic, + uint8_t *data, size_t *data_len) +{ + int err; + VulkanEncodeH264Context *enc = avctx->priv_data; + VulkanEncodeH264Picture *hp = base_pic->codec_priv; + CodedBitstreamFragment *au = &enc->current_access_unit; + + if (hp->units_needed & UNIT_AUD) { + err = vulkan_encode_h264_add_nal(avctx, au, &enc->raw_aud); + if (err < 0) + goto fail; + } + + if (hp->units_needed & UNIT_SEI_IDENTIFIER) { + err = ff_cbs_sei_add_message(enc->cbs, au, 1, + SEI_TYPE_USER_DATA_UNREGISTERED, + &enc->sei_identifier, NULL); + if (err < 0) + goto fail; + } + + if (hp->units_needed & UNIT_SEI_TIMING) { + if (base_pic->type == FF_HW_PICTURE_TYPE_IDR) { + err = ff_cbs_sei_add_message(enc->cbs, au, 1, + SEI_TYPE_BUFFERING_PERIOD, + &enc->units.sei_buffering_period, NULL); + if (err < 0) + goto fail; + } + err = ff_cbs_sei_add_message(enc->cbs, au, 1, + SEI_TYPE_PIC_TIMING, + &enc->sei_pic_timing, NULL); + if (err < 0) + goto fail; + } + + if (hp->units_needed & UNIT_SEI_RECOVERY) { + err = ff_cbs_sei_add_message(enc->cbs, au, 1, + SEI_TYPE_RECOVERY_POINT, + &enc->sei_recovery_point, NULL); + if (err < 0) + goto fail; + } + + if (hp->units_needed & UNIT_SEI_A53_CC) { + err = ff_cbs_sei_add_message(enc->cbs, au, 1, + SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35, + &enc->sei_a53cc, NULL); + if (err < 0) + goto fail; + } + + if (hp->units_needed) { + err = write_access_unit(avctx, data, data_len, au); + if (err < 0) + goto fail; + } else { + *data_len = 0; + } + +fail: + ff_cbs_fragment_reset(au); + return err; +} + +static int write_filler(AVCodecContext *avctx, uint32_t filler, + uint8_t *data, size_t *data_len) +{ + int err; + VulkanEncodeH264Context *enc = avctx->priv_data; + CodedBitstreamFragment *au = &enc->current_access_unit; + + H264RawFiller raw_filler = { + .nal_unit_header = { + .nal_unit_type = H264_NAL_FILLER_DATA, + }, + .filler_size = filler, + }; + + err = vulkan_encode_h264_add_nal(avctx, au, &raw_filler); + if (err < 0) + goto fail; + + err = write_access_unit(avctx, data, data_len, au); +fail: + ff_cbs_fragment_reset(au); + return err; +} + +static const FFVulkanCodec enc_cb = { + .flags = FF_HW_FLAG_B_PICTURES | + FF_HW_FLAG_B_PICTURE_REFERENCES | + FF_HW_FLAG_NON_IDR_KEY_PICTURES | + FF_HW_FLAG_SLICE_CONTROL, + .picture_priv_data_size = sizeof(VulkanEncodeH264Picture), + .filler_header_size = 6, + .init_profile = init_profile, + .init_pic_rc = init_pic_rc, + .init_pic_params = init_pic_params, + .write_sequence_headers = write_sequence_header, + .write_extra_headers = write_extra_headers, + .write_filler = write_filler, +}; + +static av_cold int vulkan_encode_h264_init(AVCodecContext *avctx) +{ + int err, ref_l0, ref_l1; + VulkanEncodeH264Context *enc = avctx->priv_data; + FFVulkanEncodeContext *ctx = &enc->common; + FFVulkanContext *s = &ctx->s; + FFHWBaseEncodeContext *base_ctx = &ctx->base; + int flags; + + if (avctx->profile == AV_PROFILE_UNKNOWN) + avctx->profile = enc->common.opts.profile; + + enc->caps = (VkVideoEncodeH264CapabilitiesKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_CAPABILITIES_KHR, + }; + + enc->quality_props = (VkVideoEncodeH264QualityLevelPropertiesKHR) { + .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_QUALITY_LEVEL_PROPERTIES_KHR, + }; + + err = ff_vulkan_encode_init(avctx, &enc->common, + &ff_vk_enc_h264_desc, &enc_cb, + &enc->caps, &enc->quality_props); + if (err < 0) + return err; + + av_log(avctx, AV_LOG_VERBOSE, "H264 encoder capabilities:\n"); + av_log(avctx, AV_LOG_VERBOSE, " Standard capability flags:\n"); + av_log(avctx, AV_LOG_VERBOSE, " separate_color_plane: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_SEPARATE_COLOR_PLANE_FLAG_SET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " qprime_y_zero_transform_bypass: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG_SET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " scaling_lists: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_SCALING_MATRIX_PRESENT_FLAG_SET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " chroma_qp_index_offset: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_CHROMA_QP_INDEX_OFFSET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " second_chroma_qp_index_offset: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_SECOND_CHROMA_QP_INDEX_OFFSET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " pic_init_qp: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_PIC_INIT_QP_MINUS26_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " weighted:%s%s%s\n", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_WEIGHTED_PRED_FLAG_SET_BIT_KHR ? + " pred" : "", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_WEIGHTED_BIPRED_IDC_EXPLICIT_BIT_KHR ? + " bipred_explicit" : "", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_WEIGHTED_BIPRED_IDC_IMPLICIT_BIT_KHR ? + " bipred_implicit" : ""); + av_log(avctx, AV_LOG_VERBOSE, " 8x8_transforms: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_TRANSFORM_8X8_MODE_FLAG_SET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " disable_direct_spatial_mv_pred: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_DIRECT_SPATIAL_MV_PRED_FLAG_UNSET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " coder:%s%s\n", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_ENTROPY_CODING_MODE_FLAG_UNSET_BIT_KHR ? + " cabac" : "", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_ENTROPY_CODING_MODE_FLAG_SET_BIT_KHR ? + " cavlc" : ""); + av_log(avctx, AV_LOG_VERBOSE, " direct_8x8_inference: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_DIRECT_8X8_INFERENCE_FLAG_UNSET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " constrained_intra_pred: %i\n", + !!(enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_CONSTRAINED_INTRA_PRED_FLAG_SET_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " deblock:%s%s%s\n", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_DEBLOCKING_FILTER_DISABLED_BIT_KHR ? + " filter_disabling" : "", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_DEBLOCKING_FILTER_ENABLED_BIT_KHR ? + " filter_enabling" : "", + enc->caps.stdSyntaxFlags & VK_VIDEO_ENCODE_H264_STD_DEBLOCKING_FILTER_PARTIAL_BIT_KHR ? + " filter_partial" : ""); + + av_log(avctx, AV_LOG_VERBOSE, " Capability flags:\n"); + av_log(avctx, AV_LOG_VERBOSE, " hdr_compliance: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_HRD_COMPLIANCE_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " pred_weight_table_generated: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_PREDICTION_WEIGHT_TABLE_GENERATED_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " row_unaligned_slice: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_ROW_UNALIGNED_SLICE_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " different_slice_type: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_DIFFERENT_SLICE_TYPE_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " b_frame_in_l0_list: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_B_FRAME_IN_L0_LIST_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " b_frame_in_l1_list: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_B_FRAME_IN_L1_LIST_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " per_pict_type_min_max_qp: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_PER_PICTURE_TYPE_MIN_MAX_QP_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " per_slice_constant_qp: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_PER_SLICE_CONSTANT_QP_BIT_KHR)); + av_log(avctx, AV_LOG_VERBOSE, " generate_prefix_nalu: %i\n", + !!(enc->caps.flags & VK_VIDEO_ENCODE_H264_CAPABILITY_GENERATE_PREFIX_NALU_BIT_KHR)); + + av_log(avctx, AV_LOG_VERBOSE, " Capabilities:\n"); + av_log(avctx, AV_LOG_VERBOSE, " maxLevelIdc: %i\n", + enc->caps.maxLevelIdc); + av_log(avctx, AV_LOG_VERBOSE, " maxSliceCount: %i\n", + enc->caps.maxSliceCount); + av_log(avctx, AV_LOG_VERBOSE, " max(P/B)PictureL0ReferenceCount: %i P's; %i B's\n", + enc->caps.maxPPictureL0ReferenceCount, + enc->caps.maxBPictureL0ReferenceCount); + av_log(avctx, AV_LOG_VERBOSE, " maxL1ReferenceCount: %i\n", + enc->caps.maxL1ReferenceCount); + av_log(avctx, AV_LOG_VERBOSE, " maxTemporalLayerCount: %i\n", + enc->caps.maxTemporalLayerCount); + av_log(avctx, AV_LOG_VERBOSE, " expectDyadicTemporalLayerPattern: %i\n", + enc->caps.expectDyadicTemporalLayerPattern); + av_log(avctx, AV_LOG_VERBOSE, " min/max Qp: [%i, %i]\n", + enc->caps.maxQp, enc->caps.minQp); + av_log(avctx, AV_LOG_VERBOSE, " prefersGopRemainingFrames: %i\n", + enc->caps.prefersGopRemainingFrames); + av_log(avctx, AV_LOG_VERBOSE, " requiresGopRemainingFrames: %i\n", + enc->caps.requiresGopRemainingFrames); + + err = init_enc_options(avctx); + if (err < 0) + return err; + + flags = ctx->codec->flags; + if (!enc->caps.maxPPictureL0ReferenceCount && + !enc->caps.maxBPictureL0ReferenceCount && + !enc->caps.maxL1ReferenceCount) { + /* Intra-only */ + flags |= FF_HW_FLAG_INTRA_ONLY; + ref_l0 = ref_l1 = 0; + } else if (!enc->caps.maxPPictureL0ReferenceCount) { + /* No P-frames? How. */ + base_ctx->p_to_gpb = 1; + ref_l0 = enc->caps.maxBPictureL0ReferenceCount; + ref_l1 = enc->caps.maxL1ReferenceCount; + } else if (!enc->caps.maxBPictureL0ReferenceCount && + !enc->caps.maxL1ReferenceCount) { + /* No B-frames */ + flags &= ~(FF_HW_FLAG_B_PICTURES | FF_HW_FLAG_B_PICTURE_REFERENCES); + ref_l0 = enc->caps.maxPPictureL0ReferenceCount; + ref_l1 = 0; + } else { + /* P and B frames */ + ref_l0 = FFMIN(enc->caps.maxPPictureL0ReferenceCount, + enc->caps.maxBPictureL0ReferenceCount); + ref_l1 = enc->caps.maxL1ReferenceCount; + } + + err = ff_hw_base_init_gop_structure(base_ctx, avctx, ref_l0, ref_l1, + flags, 0); + if (err < 0) + return err; + + base_ctx->output_delay = base_ctx->b_per_p; + base_ctx->decode_delay = base_ctx->max_b_depth; + + /* Create units and session parameters */ + err = init_base_units(avctx); + if (err < 0) + return err; + + /* Prepare SEI */ + if (enc->unit_elems & UNIT_SEI_IDENTIFIER) { + int len; + + memcpy(enc->sei_identifier.uuid_iso_iec_11578, + vulkan_encode_h264_sei_identifier_uuid, + sizeof(enc->sei_identifier.uuid_iso_iec_11578)); + + len = snprintf(NULL, 0, + "%s / Vulkan video %i.%i.%i / %s %i.%i.%i / %s", + LIBAVCODEC_IDENT, + CODEC_VER(ff_vk_enc_h264_desc.ext_props.specVersion), + s->driver_props.driverName, + CODEC_VER(s->props.properties.driverVersion), + s->props.properties.deviceName); + + if (len >= 0) { + enc->sei_identifier_string = av_malloc(len + 1); + if (!enc->sei_identifier_string) + return AVERROR(ENOMEM); + + len = snprintf(enc->sei_identifier_string, len + 1, + "%s / Vulkan video %i.%i.%i / %s %i.%i.%i / %s", + LIBAVCODEC_IDENT, + CODEC_VER(ff_vk_enc_h264_desc.ext_props.specVersion), + s->driver_props.driverName, + CODEC_VER(s->props.properties.driverVersion), + s->props.properties.deviceName); + + enc->sei_identifier.data = enc->sei_identifier_string; + enc->sei_identifier.data_length = len + 1; + } + } + + /* Init CBS */ + err = ff_cbs_init(&enc->cbs, AV_CODEC_ID_H264, avctx); + if (err < 0) + return err; + + /* Write extradata if needed */ + if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { + uint8_t data[4096]; + size_t data_len = sizeof(data); + + err = write_sequence_header(avctx, NULL, data, &data_len); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header " + "for extradata: %d.\n", err); + return err; + } else { + avctx->extradata_size = data_len; + avctx->extradata = av_mallocz(avctx->extradata_size + + AV_INPUT_BUFFER_PADDING_SIZE); + if (!avctx->extradata) { + err = AVERROR(ENOMEM); + return err; + } + memcpy(avctx->extradata, data, avctx->extradata_size); + } + } + + return 0; +} + +static av_cold int vulkan_encode_h264_close(AVCodecContext *avctx) +{ + VulkanEncodeH264Context *enc = avctx->priv_data; + ff_vulkan_encode_uninit(&enc->common); + return 0; +} + +#define OFFSET(x) offsetof(VulkanEncodeH264Context, x) +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) +static const AVOption vulkan_encode_h264_options[] = { + HW_BASE_ENCODE_COMMON_OPTIONS, + VULKAN_ENCODE_COMMON_OPTIONS, + + { "profile", "Set profile (profile_idc and constraint_set*_flag)", + OFFSET(common.opts.profile), AV_OPT_TYPE_INT, + { .i64 = AV_PROFILE_UNKNOWN }, AV_PROFILE_UNKNOWN, 0xffff, FLAGS, .unit = "profile" }, + +#define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ + { .i64 = value }, 0, 0, FLAGS, .unit = "profile" + { PROFILE("constrained_baseline", AV_PROFILE_H264_CONSTRAINED_BASELINE) }, + { PROFILE("main", AV_PROFILE_H264_MAIN) }, + { PROFILE("high", AV_PROFILE_H264_HIGH) }, + { PROFILE("high444p", AV_PROFILE_H264_HIGH_10) }, +#undef PROFILE + + { "level", "Set level (level_idc)", + OFFSET(common.opts.level), AV_OPT_TYPE_INT, + { .i64 = AV_LEVEL_UNKNOWN }, AV_LEVEL_UNKNOWN, 0xff, FLAGS, .unit = "level" }, + +#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ + { .i64 = value }, 0, 0, FLAGS, .unit = "level" + { LEVEL("1", 10) }, + { LEVEL("1.1", 11) }, + { LEVEL("1.2", 12) }, + { LEVEL("1.3", 13) }, + { LEVEL("2", 20) }, + { LEVEL("2.1", 21) }, + { LEVEL("2.2", 22) }, + { LEVEL("3", 30) }, + { LEVEL("3.1", 31) }, + { LEVEL("3.2", 32) }, + { LEVEL("4", 40) }, + { LEVEL("4.1", 41) }, + { LEVEL("4.2", 42) }, + { LEVEL("5", 50) }, + { LEVEL("5.1", 51) }, + { LEVEL("5.2", 52) }, + { LEVEL("6", 60) }, + { LEVEL("6.1", 61) }, + { LEVEL("6.2", 62) }, +#undef LEVEL + + { "coder", "Entropy coder type", OFFSET(unit_opts.cabac), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" }, + { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" }, + { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" }, + + { "units", "Set units to include", OFFSET(unit_elems), AV_OPT_TYPE_FLAGS, { .i64 = UNIT_AUD | UNIT_SEI_IDENTIFIER | UNIT_SEI_RECOVERY | UNIT_SEI_TIMING | UNIT_SEI_A53_CC }, 0, INT_MAX, FLAGS, "units" }, + { "aud", "Include AUD units", 0, AV_OPT_TYPE_CONST, { .i64 = UNIT_AUD }, INT_MIN, INT_MAX, FLAGS, "units" }, + { "identifier", "Include encoder version identifier", 0, AV_OPT_TYPE_CONST, { .i64 = UNIT_SEI_IDENTIFIER }, INT_MIN, INT_MAX, FLAGS, "units" }, + { "timing", "Include timing parameters (buffering_period and pic_timing)", 0, AV_OPT_TYPE_CONST, { .i64 = UNIT_SEI_TIMING }, INT_MIN, INT_MAX, FLAGS, "units" }, + { "recovery", "Include recovery points where appropriate", 0, AV_OPT_TYPE_CONST, { .i64 = UNIT_SEI_RECOVERY }, INT_MIN, INT_MAX, FLAGS, "units" }, + { "a53_cc", "Include A/53 caption data", 0, AV_OPT_TYPE_CONST, { .i64 = UNIT_SEI_A53_CC }, INT_MIN, INT_MAX, FLAGS, "units" }, + + { NULL }, +}; + +static const FFCodecDefault vulkan_encode_h264_defaults[] = { + { "b", "0" }, + { "bf", "2" }, + { "g", "300" }, + { "i_qfactor", "1" }, + { "i_qoffset", "0" }, + { "b_qfactor", "1" }, + { "b_qoffset", "0" }, + { "qmin", "-1" }, + { "qmax", "-1" }, + { NULL }, +}; + +static const AVClass vulkan_encode_h264_class = { + .class_name = "h264_vulkan", + .item_name = av_default_item_name, + .option = vulkan_encode_h264_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +const FFCodec ff_h264_vulkan_encoder = { + .p.name = "h264_vulkan", + CODEC_LONG_NAME("H.264/AVC (Vulkan)"), + .p.type = AVMEDIA_TYPE_VIDEO, + .p.id = AV_CODEC_ID_H264, + .priv_data_size = sizeof(VulkanEncodeH264Context), + .init = &vulkan_encode_h264_init, + FF_CODEC_RECEIVE_PACKET_CB(&ff_vulkan_encode_receive_packet), + .close = &vulkan_encode_h264_close, + .p.priv_class = &vulkan_encode_h264_class, + .p.capabilities = AV_CODEC_CAP_DELAY | + AV_CODEC_CAP_HARDWARE | + AV_CODEC_CAP_DR1 | + AV_CODEC_CAP_ENCODER_FLUSH | + AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, + .defaults = vulkan_encode_h264_defaults, + .p.pix_fmts = (const enum AVPixelFormat[]) { + AV_PIX_FMT_VULKAN, + AV_PIX_FMT_NONE, + }, + .hw_configs = ff_vulkan_encode_hw_configs, + .p.wrapper_name = "vulkan", +};