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FFmpeg/libavcodec/vaapi_encode_av1.c

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/*
* Copyright (c) 2023 Intel Corporation
*
* 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 <va/va.h>
#include <va/va_enc_av1.h>
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "libavutil/mastering_display_metadata.h"
#include "cbs_av1.h"
#include "put_bits.h"
#include "codec_internal.h"
#include "av1_levels.h"
#include "vaapi_encode.h"
#define AV1_MAX_QUANT 255
typedef struct VAAPIEncodeAV1Picture {
int64_t last_idr_frame;
int slot;
} VAAPIEncodeAV1Picture;
typedef struct VAAPIEncodeAV1Context {
VAAPIEncodeContext common;
AV1RawOBU sh; /**< sequence header.*/
AV1RawOBU fh; /**< frame header.*/
AV1RawOBU mh[4]; /**< metadata header.*/
int nb_mh;
CodedBitstreamContext *cbc;
CodedBitstreamFragment current_obu;
VAConfigAttribValEncAV1 attr;
VAConfigAttribValEncAV1Ext1 attr_ext1;
VAConfigAttribValEncAV1Ext2 attr_ext2;
char sh_data[MAX_PARAM_BUFFER_SIZE]; /**< coded sequence header data. */
size_t sh_data_len; /**< bit length of sh_data. */
char fh_data[MAX_PARAM_BUFFER_SIZE]; /**< coded frame header data. */
size_t fh_data_len; /**< bit length of fh_data. */
uint8_t uniform_tile;
uint8_t use_128x128_superblock;
int sb_cols;
int sb_rows;
int tile_cols_log2;
int tile_rows_log2;
int max_tile_width_sb;
int max_tile_height_sb;
uint8_t width_in_sbs_minus_1[AV1_MAX_TILE_COLS];
uint8_t height_in_sbs_minus_1[AV1_MAX_TILE_ROWS];
int min_log2_tile_cols;
int max_log2_tile_cols;
int min_log2_tile_rows;
int max_log2_tile_rows;
int q_idx_idr;
int q_idx_p;
int q_idx_b;
/** bit positions in current frame header */
int qindex_offset;
int loopfilter_offset;
int cdef_start_offset;
int cdef_param_size;
/** user options */
int profile;
int level;
int tier;
int tile_cols, tile_rows;
int tile_groups;
} VAAPIEncodeAV1Context;
static void vaapi_encode_av1_trace_write_log(void *ctx,
PutBitContext *pbc, int length,
const char *str, const int *subscripts,
int64_t value)
{
VAAPIEncodeAV1Context *priv = ctx;
int position;
position = put_bits_count(pbc);
av_assert0(position >= length);
if (!strcmp(str, "base_q_idx"))
priv->qindex_offset = position - length;
else if (!strcmp(str, "loop_filter_level[0]"))
priv->loopfilter_offset = position - length;
else if (!strcmp(str, "cdef_damping_minus_3"))
priv->cdef_start_offset = position - length;
else if (!strcmp(str, "cdef_uv_sec_strength[i]"))
priv->cdef_param_size = position - priv->cdef_start_offset;
}
static av_cold int vaapi_encode_av1_get_encoder_caps(AVCodecContext *avctx)
{
FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
VAAPIEncodeAV1Context *priv = avctx->priv_data;
// Surfaces must be aligned to superblock boundaries.
base_ctx->surface_width = FFALIGN(avctx->width, priv->use_128x128_superblock ? 128 : 64);
base_ctx->surface_height = FFALIGN(avctx->height, priv->use_128x128_superblock ? 128 : 64);
return 0;
}
static av_cold int vaapi_encode_av1_configure(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeAV1Context *priv = avctx->priv_data;
int ret;
ret = ff_cbs_init(&priv->cbc, AV_CODEC_ID_AV1, avctx);
if (ret < 0)
return ret;
priv->cbc->trace_enable = 1;
priv->cbc->trace_level = AV_LOG_DEBUG;
priv->cbc->trace_context = ctx;
priv->cbc->trace_write_callback = vaapi_encode_av1_trace_write_log;
if (ctx->rc_mode->quality) {
priv->q_idx_p = av_clip(ctx->rc_quality, 0, AV1_MAX_QUANT);
if (fabs(avctx->i_quant_factor) > 0.0)
priv->q_idx_idr =
av_clip((fabs(avctx->i_quant_factor) * priv->q_idx_p +
avctx->i_quant_offset) + 0.5,
0, AV1_MAX_QUANT);
else
priv->q_idx_idr = priv->q_idx_p;
if (fabs(avctx->b_quant_factor) > 0.0)
priv->q_idx_b =
av_clip((fabs(avctx->b_quant_factor) * priv->q_idx_p +
avctx->b_quant_offset) + 0.5,
0, AV1_MAX_QUANT);
else
priv->q_idx_b = priv->q_idx_p;
} else {
/** Arbitrary value */
priv->q_idx_idr = priv->q_idx_p = priv->q_idx_b = 128;
}
ctx->roi_quant_range = AV1_MAX_QUANT;
return 0;
}
static int vaapi_encode_av1_add_obu(AVCodecContext *avctx,
CodedBitstreamFragment *au,
uint8_t type,
void *obu_unit)
{
int ret;
ret = ff_cbs_insert_unit_content(au, -1,
type, obu_unit, NULL);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to add OBU unit: "
"type = %d.\n", type);
return ret;
}
return 0;
}
static int vaapi_encode_av1_write_obu(AVCodecContext *avctx,
char *data, size_t *data_len,
CodedBitstreamFragment *bs)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
int ret;
ret = ff_cbs_write_fragment_data(priv->cbc, bs);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
return ret;
}
if ((size_t)8 * MAX_PARAM_BUFFER_SIZE < 8 * bs->data_size - bs->data_bit_padding) {
av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
"%zu < %zu.\n", (size_t)8 * MAX_PARAM_BUFFER_SIZE,
8 * bs->data_size - bs->data_bit_padding);
return AVERROR(ENOSPC);
}
memcpy(data, bs->data, bs->data_size);
*data_len = 8 * bs->data_size - bs->data_bit_padding;
return 0;
}
static int tile_log2(int blkSize, int target) {
int k;
for (k = 0; (blkSize << k) < target; k++);
return k;
}
static int vaapi_encode_av1_set_tile(AVCodecContext *avctx)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
int mi_cols, mi_rows, sb_shift, sb_size;
int max_tile_area_sb, max_tile_area_sb_varied;
int tile_width_sb, tile_height_sb, widest_tile_sb;
int tile_cols, tile_rows;
int min_log2_tiles;
int i;
if (priv->tile_cols > AV1_MAX_TILE_COLS ||
priv->tile_rows > AV1_MAX_TILE_ROWS) {
av_log(avctx, AV_LOG_ERROR, "Invalid tile number %dx%d, should less than %dx%d.\n",
priv->tile_cols, priv->tile_rows, AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);
return AVERROR(EINVAL);
}
mi_cols = 2 * ((avctx->width + 7) >> 3);
mi_rows = 2 * ((avctx->height + 7) >> 3);
priv->sb_cols = priv->use_128x128_superblock ?
((mi_cols + 31) >> 5) : ((mi_cols + 15) >> 4);
priv->sb_rows = priv->use_128x128_superblock ?
((mi_rows + 31) >> 5) : ((mi_rows + 15) >> 4);
sb_shift = priv->use_128x128_superblock ? 5 : 4;
sb_size = sb_shift + 2;
priv->max_tile_width_sb = AV1_MAX_TILE_WIDTH >> sb_size;
max_tile_area_sb = AV1_MAX_TILE_AREA >> (2 * sb_size);
priv->min_log2_tile_cols = tile_log2(priv->max_tile_width_sb, priv->sb_cols);
priv->max_log2_tile_cols = tile_log2(1, FFMIN(priv->sb_cols, AV1_MAX_TILE_COLS));
priv->max_log2_tile_rows = tile_log2(1, FFMIN(priv->sb_rows, AV1_MAX_TILE_ROWS));
min_log2_tiles = FFMAX(priv->min_log2_tile_cols,
tile_log2(max_tile_area_sb, priv->sb_rows * priv->sb_cols));
tile_cols = av_clip(priv->tile_cols, (priv->sb_cols + priv->max_tile_width_sb - 1) / priv->max_tile_width_sb, priv->sb_cols);
if (!priv->tile_cols)
priv->tile_cols = tile_cols;
else if (priv->tile_cols != tile_cols){
av_log(avctx, AV_LOG_ERROR, "Invalid tile cols %d, should be in range of %d~%d\n",
priv->tile_cols,
(priv->sb_cols + priv->max_tile_width_sb - 1) / priv->max_tile_width_sb,
priv->sb_cols);
return AVERROR(EINVAL);
}
priv->tile_cols_log2 = tile_log2(1, priv->tile_cols);
tile_width_sb = (priv->sb_cols + (1 << priv->tile_cols_log2) - 1) >>
priv->tile_cols_log2;
if (priv->tile_rows > priv->sb_rows) {
av_log(avctx, AV_LOG_ERROR, "Invalid tile rows %d, should be less than %d.\n",
priv->tile_rows, priv->sb_rows);
return AVERROR(EINVAL);
}
/** Try user setting tile rows number first. */
tile_rows = priv->tile_rows ? priv->tile_rows : 1;
for (; tile_rows <= priv->sb_rows && tile_rows <= AV1_MAX_TILE_ROWS; tile_rows++) {
/** try uniformed tile. */
priv->tile_rows_log2 = tile_log2(1, tile_rows);
if ((priv->sb_cols + tile_width_sb - 1) / tile_width_sb == priv->tile_cols) {
for (i = 0; i < priv->tile_cols - 1; i++)
priv->width_in_sbs_minus_1[i] = tile_width_sb - 1;
priv->width_in_sbs_minus_1[i] = priv->sb_cols - (priv->tile_cols - 1) * tile_width_sb - 1;
tile_height_sb = (priv->sb_rows + (1 << priv->tile_rows_log2) - 1) >>
priv->tile_rows_log2;
if ((priv->sb_rows + tile_height_sb - 1) / tile_height_sb == tile_rows &&
tile_height_sb <= max_tile_area_sb / tile_width_sb) {
for (i = 0; i < tile_rows - 1; i++)
priv->height_in_sbs_minus_1[i] = tile_height_sb - 1;
priv->height_in_sbs_minus_1[i] = priv->sb_rows - (tile_rows - 1) * tile_height_sb - 1;
priv->uniform_tile = 1;
priv->min_log2_tile_rows = FFMAX(min_log2_tiles - priv->tile_cols_log2, 0);
break;
}
}
/** try non-uniformed tile. */
widest_tile_sb = 0;
for (i = 0; i < priv->tile_cols; i++) {
priv->width_in_sbs_minus_1[i] = (i + 1) * priv->sb_cols / priv->tile_cols - i * priv->sb_cols / priv->tile_cols - 1;
widest_tile_sb = FFMAX(widest_tile_sb, priv->width_in_sbs_minus_1[i] + 1);
}
if (min_log2_tiles)
max_tile_area_sb_varied = (priv->sb_rows * priv->sb_cols) >> (min_log2_tiles + 1);
else
max_tile_area_sb_varied = priv->sb_rows * priv->sb_cols;
priv->max_tile_height_sb = FFMAX(1, max_tile_area_sb_varied / widest_tile_sb);
if (tile_rows == av_clip(tile_rows, (priv->sb_rows + priv->max_tile_height_sb - 1) / priv->max_tile_height_sb, priv->sb_rows)) {
for (i = 0; i < tile_rows; i++)
priv->height_in_sbs_minus_1[i] = (i + 1) * priv->sb_rows / tile_rows - i * priv->sb_rows / tile_rows - 1;
break;
}
/** Return invalid parameter if explicit tile rows is set. */
if (priv->tile_rows) {
av_log(avctx, AV_LOG_ERROR, "Invalid tile rows %d.\n", priv->tile_rows);
return AVERROR(EINVAL);
}
}
priv->tile_rows = tile_rows;
av_log(avctx, AV_LOG_DEBUG, "Setting tile cols/rows to %d/%d.\n",
priv->tile_cols, priv->tile_rows);
/** check if tile cols/rows is supported by driver. */
if (priv->attr_ext2.bits.max_tile_num_minus1) {
if ((priv->tile_cols * priv->tile_rows - 1) > priv->attr_ext2.bits.max_tile_num_minus1) {
av_log(avctx, AV_LOG_ERROR, "Unsupported tile num %d * %d = %d by driver, "
"should be at most %d.\n", priv->tile_cols, priv->tile_rows,
priv->tile_cols * priv->tile_rows,
priv->attr_ext2.bits.max_tile_num_minus1 + 1);
return AVERROR(EINVAL);
}
}
/** check if tile group numbers is valid. */
if (priv->tile_groups > priv->tile_cols * priv->tile_rows) {
av_log(avctx, AV_LOG_WARNING, "Invalid tile groups number %d, "
"correct to %d.\n", priv->tile_groups, priv->tile_cols * priv->tile_rows);
priv->tile_groups = priv->tile_cols * priv->tile_rows;
}
return 0;
}
static int vaapi_encode_av1_write_sequence_header(AVCodecContext *avctx,
char *data, size_t *data_len)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
memcpy(data, &priv->sh_data, MAX_PARAM_BUFFER_SIZE * sizeof(char));
*data_len = priv->sh_data_len;
return 0;
}
static int vaapi_encode_av1_init_sequence_params(AVCodecContext *avctx)
{
FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeAV1Context *priv = avctx->priv_data;
AV1RawOBU *sh_obu = &priv->sh;
AV1RawSequenceHeader *sh = &sh_obu->obu.sequence_header;
VAEncSequenceParameterBufferAV1 *vseq = ctx->codec_sequence_params;
CodedBitstreamFragment *obu = &priv->current_obu;
const AVPixFmtDescriptor *desc;
int ret;
memset(sh_obu, 0, sizeof(*sh_obu));
sh_obu->header.obu_type = AV1_OBU_SEQUENCE_HEADER;
desc = av_pix_fmt_desc_get(base_ctx->input_frames->sw_format);
av_assert0(desc);
sh->seq_profile = avctx->profile;
if (!sh->seq_force_screen_content_tools)
sh->seq_force_integer_mv = AV1_SELECT_INTEGER_MV;
sh->frame_width_bits_minus_1 = av_log2(avctx->width);
sh->frame_height_bits_minus_1 = av_log2(avctx->height);
sh->max_frame_width_minus_1 = avctx->width - 1;
sh->max_frame_height_minus_1 = avctx->height - 1;
sh->seq_tier[0] = priv->tier;
/** enable order hint and reserve maximum 8 bits for it by default. */
sh->enable_order_hint = 1;
sh->order_hint_bits_minus_1 = 7;
sh->color_config = (AV1RawColorConfig) {
.high_bitdepth = desc->comp[0].depth == 8 ? 0 : 1,
.color_primaries = avctx->color_primaries,
.transfer_characteristics = avctx->color_trc,
.matrix_coefficients = avctx->colorspace,
.color_description_present_flag = (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
avctx->colorspace != AVCOL_SPC_UNSPECIFIED),
.color_range = avctx->color_range == AVCOL_RANGE_JPEG,
.subsampling_x = desc->log2_chroma_w,
.subsampling_y = desc->log2_chroma_h,
};
switch (avctx->chroma_sample_location) {
case AVCHROMA_LOC_LEFT:
sh->color_config.chroma_sample_position = AV1_CSP_VERTICAL;
break;
case AVCHROMA_LOC_TOPLEFT:
sh->color_config.chroma_sample_position = AV1_CSP_COLOCATED;
break;
default:
sh->color_config.chroma_sample_position = AV1_CSP_UNKNOWN;
break;
}
if (avctx->level != AV_LEVEL_UNKNOWN) {
sh->seq_level_idx[0] = avctx->level;
} else {
const AV1LevelDescriptor *level;
float framerate;
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
framerate = avctx->framerate.num / avctx->framerate.den;
else
framerate = 0;
level = ff_av1_guess_level(avctx->bit_rate, priv->tier,
base_ctx->surface_width, base_ctx->surface_height,
priv->tile_rows * priv->tile_cols,
priv->tile_cols, framerate);
if (level) {
av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
sh->seq_level_idx[0] = level->level_idx;
} else {
av_log(avctx, AV_LOG_VERBOSE, "Stream will not conform to "
"any normal level, using maximum parameters level by default.\n");
sh->seq_level_idx[0] = 31;
sh->seq_tier[0] = 1;
}
}
vseq->seq_profile = sh->seq_profile;
vseq->seq_level_idx = sh->seq_level_idx[0];
vseq->seq_tier = sh->seq_tier[0];
vseq->order_hint_bits_minus_1 = sh->order_hint_bits_minus_1;
vseq->intra_period = base_ctx->gop_size;
vseq->ip_period = base_ctx->b_per_p + 1;
vseq->seq_fields.bits.enable_order_hint = sh->enable_order_hint;
if (!(ctx->va_rc_mode & VA_RC_CQP)) {
vseq->bits_per_second = ctx->va_bit_rate;
vseq->seq_fields.bits.enable_cdef = sh->enable_cdef = 1;
}
ret = vaapi_encode_av1_add_obu(avctx, obu, AV1_OBU_SEQUENCE_HEADER, &priv->sh);
if (ret < 0)
goto end;
ret = vaapi_encode_av1_write_obu(avctx, priv->sh_data, &priv->sh_data_len, obu);
if (ret < 0)
goto end;
end:
ff_cbs_fragment_reset(obu);
return ret;
}
static int vaapi_encode_av1_init_picture_params(AVCodecContext *avctx,
FFHWBaseEncodePicture *pic)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeAV1Context *priv = avctx->priv_data;
VAAPIEncodePicture *vaapi_pic = pic->priv;
VAAPIEncodeAV1Picture *hpic = pic->codec_priv;
AV1RawOBU *fh_obu = &priv->fh;
AV1RawFrameHeader *fh = &fh_obu->obu.frame.header;
VAEncPictureParameterBufferAV1 *vpic = vaapi_pic->codec_picture_params;
CodedBitstreamFragment *obu = &priv->current_obu;
FFHWBaseEncodePicture *ref;
VAAPIEncodeAV1Picture *href;
int slot, i;
int ret;
static const int8_t default_loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME] =
{ 1, 0, 0, 0, -1, 0, -1, -1 };
memset(fh_obu, 0, sizeof(*fh_obu));
vaapi_pic->nb_slices = priv->tile_groups;
vaapi_pic->non_independent_frame = pic->encode_order < pic->display_order;
fh_obu->header.obu_type = AV1_OBU_FRAME_HEADER;
fh_obu->header.obu_has_size_field = 1;
switch (pic->type) {
case FF_HW_PICTURE_TYPE_IDR:
av_assert0(pic->nb_refs[0] == 0 || pic->nb_refs[1]);
fh->frame_type = AV1_FRAME_KEY;
fh->refresh_frame_flags = 0xFF;
fh->base_q_idx = priv->q_idx_idr;
hpic->slot = 0;
hpic->last_idr_frame = pic->display_order;
break;
case FF_HW_PICTURE_TYPE_P:
av_assert0(pic->nb_refs[0]);
fh->frame_type = AV1_FRAME_INTER;
fh->base_q_idx = priv->q_idx_p;
ref = pic->refs[0][pic->nb_refs[0] - 1];
href = ref->codec_priv;
hpic->slot = !href->slot;
hpic->last_idr_frame = href->last_idr_frame;
fh->refresh_frame_flags = 1 << hpic->slot;
/** set the nearest frame in L0 as all reference frame. */
for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
fh->ref_frame_idx[i] = href->slot;
}
fh->primary_ref_frame = href->slot;
fh->ref_order_hint[href->slot] = ref->display_order - href->last_idr_frame;
vpic->ref_frame_ctrl_l0.fields.search_idx0 = AV1_REF_FRAME_LAST;
/** set the 2nd nearest frame in L0 as Golden frame. */
if (pic->nb_refs[0] > 1) {
ref = pic->refs[0][pic->nb_refs[0] - 2];
href = ref->codec_priv;
fh->ref_frame_idx[3] = href->slot;
fh->ref_order_hint[href->slot] = ref->display_order - href->last_idr_frame;
vpic->ref_frame_ctrl_l0.fields.search_idx1 = AV1_REF_FRAME_GOLDEN;
}
break;
case FF_HW_PICTURE_TYPE_B:
av_assert0(pic->nb_refs[0] && pic->nb_refs[1]);
fh->frame_type = AV1_FRAME_INTER;
fh->base_q_idx = priv->q_idx_b;
fh->refresh_frame_flags = 0x0;
fh->reference_select = 1;
/** B frame will not be referenced, disable its recon frame. */
vpic->picture_flags.bits.disable_frame_recon = 1;
/** Use LAST_FRAME and BWDREF_FRAME for reference. */
vpic->ref_frame_ctrl_l0.fields.search_idx0 = AV1_REF_FRAME_LAST;
vpic->ref_frame_ctrl_l1.fields.search_idx0 = AV1_REF_FRAME_BWDREF;
ref = pic->refs[0][pic->nb_refs[0] - 1];
href = ref->codec_priv;
hpic->last_idr_frame = href->last_idr_frame;
fh->primary_ref_frame = href->slot;
fh->ref_order_hint[href->slot] = ref->display_order - href->last_idr_frame;
for (i = 0; i < AV1_REF_FRAME_GOLDEN; i++) {
fh->ref_frame_idx[i] = href->slot;
}
ref = pic->refs[1][pic->nb_refs[1] - 1];
href = ref->codec_priv;
fh->ref_order_hint[href->slot] = ref->display_order - href->last_idr_frame;
for (i = AV1_REF_FRAME_GOLDEN; i < AV1_REFS_PER_FRAME; i++) {
fh->ref_frame_idx[i] = href->slot;
}
break;
default:
av_assert0(0 && "invalid picture type");
}
fh->show_frame = pic->display_order <= pic->encode_order;
fh->showable_frame = fh->frame_type != AV1_FRAME_KEY;
fh->frame_width_minus_1 = avctx->width - 1;
fh->frame_height_minus_1 = avctx->height - 1;
fh->render_width_minus_1 = fh->frame_width_minus_1;
fh->render_height_minus_1 = fh->frame_height_minus_1;
fh->order_hint = pic->display_order - hpic->last_idr_frame;
fh->tile_cols = priv->tile_cols;
fh->tile_rows = priv->tile_rows;
fh->tile_cols_log2 = priv->tile_cols_log2;
fh->tile_rows_log2 = priv->tile_rows_log2;
fh->uniform_tile_spacing_flag = priv->uniform_tile;
fh->tile_size_bytes_minus1 = priv->attr_ext2.bits.tile_size_bytes_minus1;
/** ignore ONLY_4x4 mode for codedlossless is not fully implemented. */
if (priv->attr_ext2.bits.tx_mode_support & 0x04)
fh->tx_mode = AV1_TX_MODE_SELECT;
else if (priv->attr_ext2.bits.tx_mode_support & 0x02)
fh->tx_mode = AV1_TX_MODE_LARGEST;
else {
av_log(avctx, AV_LOG_ERROR, "No available tx mode found.\n");
return AVERROR(EINVAL);
}
for (i = 0; i < fh->tile_cols; i++)
fh->width_in_sbs_minus_1[i] = vpic->width_in_sbs_minus_1[i] = priv->width_in_sbs_minus_1[i];
for (i = 0; i < fh->tile_rows; i++)
fh->height_in_sbs_minus_1[i] = vpic->height_in_sbs_minus_1[i] = priv->height_in_sbs_minus_1[i];
memcpy(fh->loop_filter_ref_deltas, default_loop_filter_ref_deltas,
AV1_TOTAL_REFS_PER_FRAME * sizeof(int8_t));
if (fh->frame_type == AV1_FRAME_KEY && fh->show_frame) {
fh->error_resilient_mode = 1;
}
if (fh->frame_type == AV1_FRAME_KEY || fh->error_resilient_mode)
fh->primary_ref_frame = AV1_PRIMARY_REF_NONE;
vpic->base_qindex = fh->base_q_idx;
vpic->frame_width_minus_1 = fh->frame_width_minus_1;
vpic->frame_height_minus_1 = fh->frame_height_minus_1;
vpic->primary_ref_frame = fh->primary_ref_frame;
vpic->reconstructed_frame = vaapi_pic->recon_surface;
vpic->coded_buf = vaapi_pic->output_buffer;
vpic->tile_cols = fh->tile_cols;
vpic->tile_rows = fh->tile_rows;
vpic->order_hint = fh->order_hint;
#if VA_CHECK_VERSION(1, 15, 0)
vpic->refresh_frame_flags = fh->refresh_frame_flags;
#endif
vpic->picture_flags.bits.enable_frame_obu = 0;
vpic->picture_flags.bits.frame_type = fh->frame_type;
vpic->picture_flags.bits.reduced_tx_set = fh->reduced_tx_set;
vpic->picture_flags.bits.error_resilient_mode = fh->error_resilient_mode;
/** let driver decide to use single or compound reference prediction mode. */
vpic->mode_control_flags.bits.reference_mode = fh->reference_select ? 2 : 0;
vpic->mode_control_flags.bits.tx_mode = fh->tx_mode;
vpic->tile_group_obu_hdr_info.bits.obu_has_size_field = 1;
/** set reference. */
for (i = 0; i < AV1_REFS_PER_FRAME; i++)
vpic->ref_frame_idx[i] = fh->ref_frame_idx[i];
for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)
vpic->reference_frames[i] = VA_INVALID_SURFACE;
for (i = 0; i < MAX_REFERENCE_LIST_NUM; i++) {
for (int j = 0; j < pic->nb_refs[i]; j++) {
FFHWBaseEncodePicture *ref_pic = pic->refs[i][j];
slot = ((VAAPIEncodeAV1Picture*)ref_pic->codec_priv)->slot;
av_assert0(vpic->reference_frames[slot] == VA_INVALID_SURFACE);
vpic->reference_frames[slot] = ((VAAPIEncodePicture *)ref_pic)->recon_surface;
}
}
ret = vaapi_encode_av1_add_obu(avctx, obu, AV1_OBU_FRAME_HEADER, &priv->fh);
if (ret < 0)
goto end;
ret = vaapi_encode_av1_write_obu(avctx, priv->fh_data, &priv->fh_data_len, obu);
if (ret < 0)
goto end;
if (!(ctx->va_rc_mode & VA_RC_CQP)) {
vpic->min_base_qindex = av_clip(avctx->qmin, 1, AV1_MAX_QUANT);
vpic->max_base_qindex = av_clip(avctx->qmax, 1, AV1_MAX_QUANT);
vpic->bit_offset_qindex = priv->qindex_offset;
vpic->bit_offset_loopfilter_params = priv->loopfilter_offset;
vpic->bit_offset_cdef_params = priv->cdef_start_offset;
vpic->size_in_bits_cdef_params = priv->cdef_param_size;
vpic->size_in_bits_frame_hdr_obu = priv->fh_data_len;
vpic->byte_offset_frame_hdr_obu_size = (((pic->type == FF_HW_PICTURE_TYPE_IDR) ?
priv->sh_data_len / 8 : 0) +
(fh_obu->header.obu_extension_flag ?
2 : 1));
}
priv->nb_mh = 0;
if (pic->type == FF_HW_PICTURE_TYPE_IDR) {
AVFrameSideData *sd =
av_frame_get_side_data(pic->input_image,
AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
if (sd) {
AVMasteringDisplayMetadata *mdm =
(AVMasteringDisplayMetadata *)sd->data;
if (mdm->has_primaries && mdm->has_luminance) {
AV1RawOBU *obu = &priv->mh[priv->nb_mh++];
AV1RawMetadata *md = &obu->obu.metadata;
AV1RawMetadataHDRMDCV *mdcv = &md->metadata.hdr_mdcv;
const int chroma_den = 1 << 16;
const int max_luma_den = 1 << 8;
const int min_luma_den = 1 << 14;
memset(obu, 0, sizeof(*obu));
obu->header.obu_type = AV1_OBU_METADATA;
md->metadata_type = AV1_METADATA_TYPE_HDR_MDCV;
for (i = 0; i < 3; i++) {
mdcv->primary_chromaticity_x[i] =
av_rescale(mdm->display_primaries[i][0].num, chroma_den,
mdm->display_primaries[i][0].den);
mdcv->primary_chromaticity_y[i] =
av_rescale(mdm->display_primaries[i][1].num, chroma_den,
mdm->display_primaries[i][1].den);
}
mdcv->white_point_chromaticity_x =
av_rescale(mdm->white_point[0].num, chroma_den,
mdm->white_point[0].den);
mdcv->white_point_chromaticity_y =
av_rescale(mdm->white_point[1].num, chroma_den,
mdm->white_point[1].den);
mdcv->luminance_max =
av_rescale(mdm->max_luminance.num, max_luma_den,
mdm->max_luminance.den);
mdcv->luminance_min =
av_rescale(mdm->min_luminance.num, min_luma_den,
mdm->min_luminance.den);
}
}
sd = av_frame_get_side_data(pic->input_image,
AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
if (sd) {
AVContentLightMetadata *cllm = (AVContentLightMetadata *)sd->data;
AV1RawOBU *obu = &priv->mh[priv->nb_mh++];
AV1RawMetadata *md = &obu->obu.metadata;
AV1RawMetadataHDRCLL *cll = &md->metadata.hdr_cll;
memset(obu, 0, sizeof(*obu));
obu->header.obu_type = AV1_OBU_METADATA;
md->metadata_type = AV1_METADATA_TYPE_HDR_CLL;
cll->max_cll = cllm->MaxCLL;
cll->max_fall = cllm->MaxFALL;
}
}
end:
ff_cbs_fragment_reset(obu);
return ret;
}
static int vaapi_encode_av1_init_slice_params(AVCodecContext *avctx,
FFHWBaseEncodePicture *base,
VAAPIEncodeSlice *slice)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
VAEncTileGroupBufferAV1 *vslice = slice->codec_slice_params;
CodedBitstreamAV1Context *cbctx = priv->cbc->priv_data;
int div;
/** Set tile group info. */
div = priv->tile_cols * priv->tile_rows / priv->tile_groups;
vslice->tg_start = slice->index * div;
if (slice->index == (priv->tile_groups - 1)) {
vslice->tg_end = priv->tile_cols * priv->tile_rows - 1;
cbctx->seen_frame_header = 0;
} else {
vslice->tg_end = (slice->index + 1) * div - 1;
}
return 0;
}
static int vaapi_encode_av1_write_picture_header(AVCodecContext *avctx,
FFHWBaseEncodePicture *pic,
char *data, size_t *data_len)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
CodedBitstreamFragment *obu = &priv->current_obu;
CodedBitstreamAV1Context *cbctx = priv->cbc->priv_data;
AV1RawOBU *fh_obu = &priv->fh;
AV1RawFrameHeader *rep_fh = &fh_obu->obu.frame_header;
VAAPIEncodePicture *vaapi_pic = pic->priv;
VAAPIEncodeAV1Picture *href;
int ret = 0;
vaapi_pic->tail_size = 0;
/** Pack repeat frame header. */
if (pic->display_order > pic->encode_order) {
memset(fh_obu, 0, sizeof(*fh_obu));
href = pic->refs[0][pic->nb_refs[0] - 1]->codec_priv;
fh_obu->header.obu_type = AV1_OBU_FRAME_HEADER;
fh_obu->header.obu_has_size_field = 1;
rep_fh->show_existing_frame = 1;
rep_fh->frame_to_show_map_idx = href->slot == 0;
rep_fh->frame_type = AV1_FRAME_INTER;
rep_fh->frame_width_minus_1 = avctx->width - 1;
rep_fh->frame_height_minus_1 = avctx->height - 1;
rep_fh->render_width_minus_1 = rep_fh->frame_width_minus_1;
rep_fh->render_height_minus_1 = rep_fh->frame_height_minus_1;
cbctx->seen_frame_header = 0;
ret = vaapi_encode_av1_add_obu(avctx, obu, AV1_OBU_FRAME_HEADER, &priv->fh);
if (ret < 0)
goto end;
ret = vaapi_encode_av1_write_obu(avctx, vaapi_pic->tail_data, &vaapi_pic->tail_size, obu);
if (ret < 0)
goto end;
vaapi_pic->tail_size /= 8;
}
memcpy(data, &priv->fh_data, MAX_PARAM_BUFFER_SIZE * sizeof(char));
*data_len = priv->fh_data_len;
end:
ff_cbs_fragment_reset(obu);
return ret;
}
static int vaapi_encode_av1_write_extra_header(AVCodecContext *avctx,
FFHWBaseEncodePicture *base_pic,
int index, int *type,
char *data, size_t *data_len)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
CodedBitstreamFragment *obu = &priv->current_obu;
AV1RawOBU *mh_obu;
char mh_data[MAX_PARAM_BUFFER_SIZE];
size_t mh_data_len;
int ret = 0;
if (index >= priv->nb_mh)
return AVERROR_EOF;
mh_obu = &priv->mh[index];
ret = vaapi_encode_av1_add_obu(avctx, obu, AV1_OBU_METADATA, mh_obu);
if (ret < 0)
goto end;
ret = vaapi_encode_av1_write_obu(avctx, mh_data, &mh_data_len, obu);
if (ret < 0)
goto end;
memcpy(data, mh_data, MAX_PARAM_BUFFER_SIZE * sizeof(char));
*data_len = mh_data_len;
*type = VAEncPackedHeaderRawData;
end:
ff_cbs_fragment_reset(obu);
return ret;
}
static const VAAPIEncodeProfile vaapi_encode_av1_profiles[] = {
{ AV_PROFILE_AV1_MAIN, 8, 3, 1, 1, VAProfileAV1Profile0 },
{ AV_PROFILE_AV1_MAIN, 10, 3, 1, 1, VAProfileAV1Profile0 },
{ AV_PROFILE_UNKNOWN }
};
static const VAAPIEncodeType vaapi_encode_type_av1 = {
.profiles = vaapi_encode_av1_profiles,
.flags = FF_HW_FLAG_B_PICTURES | FLAG_TIMESTAMP_NO_DELAY,
.default_quality = 25,
.get_encoder_caps = &vaapi_encode_av1_get_encoder_caps,
.configure = &vaapi_encode_av1_configure,
.sequence_header_type = VAEncPackedHeaderSequence,
.sequence_params_size = sizeof(VAEncSequenceParameterBufferAV1),
.init_sequence_params = &vaapi_encode_av1_init_sequence_params,
.write_sequence_header = &vaapi_encode_av1_write_sequence_header,
.picture_priv_data_size = sizeof(VAAPIEncodeAV1Picture),
.picture_header_type = VAEncPackedHeaderPicture,
.picture_params_size = sizeof(VAEncPictureParameterBufferAV1),
.init_picture_params = &vaapi_encode_av1_init_picture_params,
.write_picture_header = &vaapi_encode_av1_write_picture_header,
.slice_params_size = sizeof(VAEncTileGroupBufferAV1),
.init_slice_params = &vaapi_encode_av1_init_slice_params,
.write_extra_header = &vaapi_encode_av1_write_extra_header,
};
static av_cold int vaapi_encode_av1_init(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeAV1Context *priv = avctx->priv_data;
VAConfigAttrib attr;
VAStatus vas;
int ret;
ctx->codec = &vaapi_encode_type_av1;
ctx->desired_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE |
VA_ENC_PACKED_HEADER_PICTURE |
VA_ENC_PACKED_HEADER_MISC; // Metadata
if (avctx->profile == AV_PROFILE_UNKNOWN)
avctx->profile = priv->profile;
if (avctx->level == AV_LEVEL_UNKNOWN)
avctx->level = priv->level;
if (avctx->level != AV_LEVEL_UNKNOWN && avctx->level & ~0x1f) {
av_log(avctx, AV_LOG_ERROR, "Invalid level %d\n", avctx->level);
return AVERROR(EINVAL);
}
ret = ff_vaapi_encode_init(avctx);
if (ret < 0)
return ret;
attr.type = VAConfigAttribEncAV1;
vas = vaGetConfigAttributes(ctx->hwctx->display,
ctx->va_profile,
ctx->va_entrypoint,
&attr, 1);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query "
"config attribute: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR_EXTERNAL;
} else if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
priv->attr.value = 0;
av_log(avctx, AV_LOG_WARNING, "Attribute type:%d is not "
"supported.\n", attr.type);
} else {
priv->attr.value = attr.value;
}
attr.type = VAConfigAttribEncAV1Ext1;
vas = vaGetConfigAttributes(ctx->hwctx->display,
ctx->va_profile,
ctx->va_entrypoint,
&attr, 1);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query "
"config attribute: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR_EXTERNAL;
} else if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
priv->attr_ext1.value = 0;
av_log(avctx, AV_LOG_WARNING, "Attribute type:%d is not "
"supported.\n", attr.type);
} else {
priv->attr_ext1.value = attr.value;
}
/** This attr provides essential indicators, return error if not support. */
attr.type = VAConfigAttribEncAV1Ext2;
vas = vaGetConfigAttributes(ctx->hwctx->display,
ctx->va_profile,
ctx->va_entrypoint,
&attr, 1);
if (vas != VA_STATUS_SUCCESS || attr.value == VA_ATTRIB_NOT_SUPPORTED) {
av_log(avctx, AV_LOG_ERROR, "Failed to query "
"config attribute: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR_EXTERNAL;
} else {
priv->attr_ext2.value = attr.value;
}
av_opt_set_int(priv->cbc->priv_data, "fixed_obu_size_length",
priv->attr_ext2.bits.obu_size_bytes_minus1 + 1, 0);
ret = vaapi_encode_av1_set_tile(avctx);
if (ret < 0)
return ret;
return 0;
}
static av_cold int vaapi_encode_av1_close(AVCodecContext *avctx)
{
VAAPIEncodeAV1Context *priv = avctx->priv_data;
ff_cbs_fragment_free(&priv->current_obu);
ff_cbs_close(&priv->cbc);
return ff_vaapi_encode_close(avctx);
}
#define OFFSET(x) offsetof(VAAPIEncodeAV1Context, x)
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
static const AVOption vaapi_encode_av1_options[] = {
HW_BASE_ENCODE_COMMON_OPTIONS,
VAAPI_ENCODE_COMMON_OPTIONS,
VAAPI_ENCODE_RC_OPTIONS,
{ "profile", "Set profile (seq_profile)",
OFFSET(profile), AV_OPT_TYPE_INT,
{ .i64 = AV_PROFILE_UNKNOWN }, AV_PROFILE_UNKNOWN, 0xff, FLAGS, .unit = "profile" },
#define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
{ .i64 = value }, 0, 0, FLAGS, .unit = "profile"
{ PROFILE("main", AV_PROFILE_AV1_MAIN) },
{ PROFILE("high", AV_PROFILE_AV1_HIGH) },
{ PROFILE("professional", AV_PROFILE_AV1_PROFESSIONAL) },
#undef PROFILE
{ "tier", "Set tier (seq_tier)",
OFFSET(tier), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS, .unit = "tier" },
{ "main", NULL, 0, AV_OPT_TYPE_CONST,
{ .i64 = 0 }, 0, 0, FLAGS, .unit = "tier" },
{ "high", NULL, 0, AV_OPT_TYPE_CONST,
{ .i64 = 1 }, 0, 0, FLAGS, .unit = "tier" },
{ "level", "Set level (seq_level_idx)",
OFFSET(level), AV_OPT_TYPE_INT,
{ .i64 = AV_LEVEL_UNKNOWN }, AV_LEVEL_UNKNOWN, 0x1f, FLAGS, .unit = "level" },
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
{ .i64 = value }, 0, 0, FLAGS, .unit = "level"
{ LEVEL("2.0", 0) },
{ LEVEL("2.1", 1) },
{ LEVEL("3.0", 4) },
{ LEVEL("3.1", 5) },
{ LEVEL("4.0", 8) },
{ LEVEL("4.1", 9) },
{ LEVEL("5.0", 12) },
{ LEVEL("5.1", 13) },
{ LEVEL("5.2", 14) },
{ LEVEL("5.3", 15) },
{ LEVEL("6.0", 16) },
{ LEVEL("6.1", 17) },
{ LEVEL("6.2", 18) },
{ LEVEL("6.3", 19) },
#undef LEVEL
{ "tiles", "Tile columns x rows (Use minimal tile column/row number automatically by default)",
OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, FLAGS },
{ "tile_groups", "Number of tile groups for encoding",
OFFSET(tile_groups), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, AV1_MAX_TILE_ROWS * AV1_MAX_TILE_COLS, FLAGS },
{ NULL },
};
static const FFCodecDefault vaapi_encode_av1_defaults[] = {
{ "b", "0" },
{ "bf", "2" },
{ "g", "120" },
{ "qmin", "1" },
{ "qmax", "255" },
{ NULL },
};
static const AVClass vaapi_encode_av1_class = {
.class_name = "av1_vaapi",
.item_name = av_default_item_name,
.option = vaapi_encode_av1_options,
.version = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_av1_vaapi_encoder = {
.p.name = "av1_vaapi",
CODEC_LONG_NAME("AV1 (VAAPI)"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_AV1,
.priv_data_size = sizeof(VAAPIEncodeAV1Context),
.init = &vaapi_encode_av1_init,
FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
.close = &vaapi_encode_av1_close,
.p.priv_class = &vaapi_encode_av1_class,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
.defaults = vaapi_encode_av1_defaults,
.p.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_VAAPI,
AV_PIX_FMT_NONE,
},
.color_ranges = AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG,
.hw_configs = ff_vaapi_encode_hw_configs,
.p.wrapper_name = "vaapi",
};