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/*
* Intel MediaSDK QSV based AV1 encoder
*
* 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 <stdint.h>
#include <sys/types.h>
#include <mfxvideo.h>
#include "libavutil/common.h"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "bsf.h"
#include "qsv.h"
#include "qsvenc.h"
typedef struct QSVAV1EncContext {
AVClass *class;
AVBSFContext *extra_data_bsf;
QSVEncContext qsv;
} QSVAV1EncContext;
static int qsv_av1_set_encode_ctrl(AVCodecContext *avctx,
const AVFrame *frame, mfxEncodeCtrl *enc_ctrl)
{
QSVAV1EncContext *q = avctx->priv_data;
AVFrameSideData *sd;
if (!frame || !QSV_RUNTIME_VERSION_ATLEAST(q->qsv.ver, 2, 11))
return 0;
sd = av_frame_get_side_data(frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
if (sd) {
AVMasteringDisplayMetadata *mdm = (AVMasteringDisplayMetadata *)sd->data;
if (mdm->has_primaries && mdm->has_luminance) {
const int chroma_den = 1 << 16;
const int max_luma_den = 1 << 8;
const int min_luma_den = 1 << 14;
mfxExtMasteringDisplayColourVolume *mdcv = av_mallocz(sizeof(*mdcv));
if (!mdcv)
return AVERROR(ENOMEM);
mdcv->Header.BufferId = MFX_EXTBUFF_MASTERING_DISPLAY_COLOUR_VOLUME;
mdcv->Header.BufferSz = sizeof(*mdcv);
for (int i = 0; i < 3; i++) {
mdcv->DisplayPrimariesX[i] =
av_rescale(mdm->display_primaries[i][0].num, chroma_den,
mdm->display_primaries[i][0].den);
mdcv->DisplayPrimariesY[i] =
av_rescale(mdm->display_primaries[i][1].num, chroma_den,
mdm->display_primaries[i][1].den);
}
mdcv->WhitePointX =
av_rescale(mdm->white_point[0].num, chroma_den,
mdm->white_point[0].den);
mdcv->WhitePointY =
av_rescale(mdm->white_point[1].num, chroma_den,
mdm->white_point[1].den);
mdcv->MaxDisplayMasteringLuminance =
av_rescale(mdm->max_luminance.num, max_luma_den,
mdm->max_luminance.den);
mdcv->MinDisplayMasteringLuminance =
av_rescale(mdm->min_luminance.num, min_luma_den,
mdm->min_luminance.den);
enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)mdcv;
}
}
sd = av_frame_get_side_data(frame, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
if (sd) {
AVContentLightMetadata *clm = (AVContentLightMetadata *)sd->data;
mfxExtContentLightLevelInfo *clli = av_mallocz(sizeof(*clli));
if (!clli)
return AVERROR(ENOMEM);
clli->Header.BufferId = MFX_EXTBUFF_CONTENT_LIGHT_LEVEL_INFO;
clli->Header.BufferSz = sizeof(*clli);
clli->MaxContentLightLevel = clm->MaxCLL;
clli->MaxPicAverageLightLevel = clm->MaxFALL;
enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)clli;
}
return 0;
}
static av_cold int qsv_enc_init(AVCodecContext *avctx)
{
QSVAV1EncContext *q = avctx->priv_data;
int ret;
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
if (!filter) {
av_log(avctx, AV_LOG_ERROR, "Cannot get extract_extradata bitstream filter\n");
return AVERROR_BUG;
}
ret = av_bsf_alloc(filter, &q->extra_data_bsf);
if (ret < 0)
return ret;
ret = avcodec_parameters_from_context(q->extra_data_bsf->par_in, avctx);
if (ret < 0)
return ret;
ret = av_bsf_init(q->extra_data_bsf);
if (ret < 0)
return ret;
}
q->qsv.set_encode_ctrl_cb = qsv_av1_set_encode_ctrl;
return ff_qsv_enc_init(avctx, &q->qsv);
}
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
QSVAV1EncContext *q = avctx->priv_data;
int ret;
ret = ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
if (ret < 0)
return ret;
if (*got_packet && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
ret = av_bsf_send_packet(q->extra_data_bsf, pkt);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
"failed to send input packet\n");
return ret;
}
ret = av_bsf_receive_packet(q->extra_data_bsf, pkt);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
"failed to receive output packet\n");
return ret;
}
}
return ret;
}
static av_cold int qsv_enc_close(AVCodecContext *avctx)
{
QSVAV1EncContext *q = avctx->priv_data;
av_bsf_free(&q->extra_data_bsf);
return ff_qsv_enc_close(avctx, &q->qsv);
}
#define OFFSET(x) offsetof(QSVAV1EncContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
QSV_COMMON_OPTS
QSV_OPTION_B_STRATEGY
QSV_OPTION_ADAPTIVE_I
QSV_OPTION_ADAPTIVE_B
QSV_OPTION_EXTBRC
QSV_OPTION_LOW_DELAY_BRC
QSV_OPTION_MAX_FRAME_SIZE
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, .unit = "profile" },
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, .unit = "profile" },
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AV1_MAIN }, INT_MIN, INT_MAX, VE, .unit = "profile" },
{ "tile_cols", "Number of columns for tiled encoding", OFFSET(qsv.tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ "tile_rows", "Number of rows for tiled encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ "look_ahead_depth", "Depth of look ahead in number frames, available when extbrc option is enabled", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
{ NULL },
};
static const AVClass class = {
.class_name = "av1_qsv encoder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
static const FFCodecDefault qsv_enc_defaults[] = {
{ "b", "0" },
{ "g", "-1" },
{ "bf", "-1" },
{ "refs", "0" },
{ NULL },
};
FFCodec ff_av1_qsv_encoder = {
.p.name = "av1_qsv",
.p.long_name = NULL_IF_CONFIG_SMALL("AV1 (Intel Quick Sync Video acceleration)"),
.priv_data_size = sizeof(QSVAV1EncContext),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_AV1,
.init = qsv_enc_init,
FF_CODEC_ENCODE_CB(qsv_enc_frame),
.close = qsv_enc_close,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
AV_PIX_FMT_P010,
AV_PIX_FMT_QSV,
AV_PIX_FMT_NONE },
.p.priv_class = &class,
.defaults = qsv_enc_defaults,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
.p.wrapper_name = "qsv",
.hw_configs = ff_qsv_enc_hw_configs,
};
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