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FFmpeg/libavcodec/vulkan_encode_h264.c

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/*
* 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;
VkVideoEncodeH264GopRemainingFrameInfoKHR vkrc_remaining;
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_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->unit_opts.fixed_qp_idr,
.pStdSliceHeader = &hp->slice_hdr,
};
if (enc->common.opts.rc_mode != VK_VIDEO_ENCODE_RATE_CONTROL_MODE_DISABLED_BIT_KHR)
hp->vkslice.constantQp = 0;
hp->slice_hdr.slice_qp_delta = hp->vkslice.constantQp -
(enc->units.raw_pps.pic_init_qp_minus26 + 26);
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,
};
int nb_profiles = FF_ARRAY_ELEMS(known_profiles);
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->frames->sw_format);
if (!desc)
return AVERROR(EINVAL);
if (desc->comp[0].depth == 8)
nb_profiles = 3;
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;
/* Set level */
if (avctx->level == AV_LEVEL_UNKNOWN)
avctx->level = enc->common.opts.level;
/* 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 < nb_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.explicit_qp,
enc->caps.minQp, enc->caps.maxQp);
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,
enc->caps.minQp, enc->caps.maxQp);
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,
enc->caps.minQp, enc->caps.maxQp);
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;
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;
/* 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,
};
return ff_vulkan_encode_create_session_params(avctx, ctx, &h264_params);
}
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, &params_info,
&params_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, &params_info,
&params_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_headers(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,
.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_headers,
.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.minQp, enc->caps.maxQp);
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;
/* 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;
/* Create units and session parameters */
err = init_base_units(avctx);
if (err < 0)
return err;
/* Write out extradata */
err = ff_vulkan_write_global_header(avctx, &enc->common);
if (err < 0)
return err;
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",
};