mirror of https://git.ffmpeg.org/ffmpeg.git
157 lines
5.3 KiB
C
157 lines
5.3 KiB
C
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/*
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* Intel MediaSDK QSV based AV1 encoder
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <mfxvideo.h>
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "codec_internal.h"
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#include "bsf.h"
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#include "qsv.h"
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#include "qsvenc.h"
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typedef struct QSVAV1EncContext {
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AVClass *class;
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AVBSFContext *extra_data_bsf;
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QSVEncContext qsv;
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} QSVAV1EncContext;
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static av_cold int qsv_enc_init(AVCodecContext *avctx)
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{
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QSVAV1EncContext *q = avctx->priv_data;
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int ret;
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if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
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const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
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if (!filter) {
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av_log(avctx, AV_LOG_ERROR, "Cannot get extract_extradata bitstream filter\n");
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return AVERROR_BUG;
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}
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ret = av_bsf_alloc(filter, &q->extra_data_bsf);
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if (ret < 0)
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return ret;
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ret = avcodec_parameters_from_context(q->extra_data_bsf->par_in, avctx);
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if (ret < 0)
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return ret;
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ret = av_bsf_init(q->extra_data_bsf);
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if (ret < 0)
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return ret;
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}
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return ff_qsv_enc_init(avctx, &q->qsv);
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}
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static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *frame, int *got_packet)
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{
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QSVAV1EncContext *q = avctx->priv_data;
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int ret;
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ret = ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
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if (ret < 0)
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return ret;
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if (*got_packet && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
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ret = av_bsf_send_packet(q->extra_data_bsf, pkt);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
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"failed to send input packet\n");
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return ret;
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}
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ret = av_bsf_receive_packet(q->extra_data_bsf, pkt);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
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"failed to receive output packet\n");
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return ret;
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}
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}
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return ret;
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}
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static av_cold int qsv_enc_close(AVCodecContext *avctx)
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{
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QSVAV1EncContext *q = avctx->priv_data;
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av_bsf_free(&q->extra_data_bsf);
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return ff_qsv_enc_close(avctx, &q->qsv);
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}
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#define OFFSET(x) offsetof(QSVAV1EncContext, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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QSV_COMMON_OPTS
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QSV_OPTION_B_STRATEGY
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QSV_OPTION_ADAPTIVE_I
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QSV_OPTION_ADAPTIVE_B
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QSV_OPTION_EXTBRC
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{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
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{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
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{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AV1_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
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{ "tile_cols", "Number of columns for tiled encoding", OFFSET(qsv.tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
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{ "tile_rows", "Number of rows for tiled encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
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{ "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 },
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{ NULL },
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};
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static const AVClass class = {
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.class_name = "av1_qsv encoder",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static const FFCodecDefault qsv_enc_defaults[] = {
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{ "b", "1M" },
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{ "g", "-1" },
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{ "bf", "-1" },
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{ "refs", "0" },
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{ NULL },
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};
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FFCodec ff_av1_qsv_encoder = {
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.p.name = "av1_qsv",
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.p.long_name = NULL_IF_CONFIG_SMALL("AV1 (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVAV1EncContext),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_AV1,
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.init = qsv_enc_init,
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FF_CODEC_ENCODE_CB(qsv_enc_frame),
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.close = qsv_enc_close,
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.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
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.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_P010,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.p.priv_class = &class,
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.defaults = qsv_enc_defaults,
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.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
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.p.wrapper_name = "qsv",
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.hw_configs = ff_qsv_enc_hw_configs,
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};
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