mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-09-07 00:20:09 +02:00
![Michael Niedermayer](/assets/img/avatar_default.png)
* commit 'def97856de6021965db86c25a732d78689bd6bb0': lavc: AV-prefix all codec capabilities Conflicts: cmdutils.c ffmpeg.c ffplay.c libavcodec/8svx.c libavcodec/aacenc.c libavcodec/ac3dec.c libavcodec/adpcm.c libavcodec/alac.c libavcodec/atrac3plusdec.c libavcodec/bink.c libavcodec/dnxhddec.c libavcodec/dvdec.c libavcodec/dvenc.c libavcodec/ffv1dec.c libavcodec/ffv1enc.c libavcodec/fic.c libavcodec/flacdec.c libavcodec/flacenc.c libavcodec/flvdec.c libavcodec/fraps.c libavcodec/frwu.c libavcodec/gifdec.c libavcodec/h261dec.c libavcodec/hevc.c libavcodec/iff.c libavcodec/imc.c libavcodec/libopenjpegdec.c libavcodec/libvo-aacenc.c libavcodec/libvorbisenc.c libavcodec/libvpxdec.c libavcodec/libvpxenc.c libavcodec/libx264.c libavcodec/mjpegbdec.c libavcodec/mjpegdec.c libavcodec/mpegaudiodec_float.c libavcodec/msmpeg4dec.c libavcodec/mxpegdec.c libavcodec/nvenc_h264.c libavcodec/nvenc_hevc.c libavcodec/pngdec.c libavcodec/qpeg.c libavcodec/ra288.c libavcodec/rv10.c libavcodec/s302m.c libavcodec/sp5xdec.c libavcodec/takdec.c libavcodec/tiff.c libavcodec/tta.c libavcodec/utils.c libavcodec/v210dec.c libavcodec/vp6.c libavcodec/vp9.c libavcodec/wavpack.c libavcodec/yop.c Merged-by: Michael Niedermayer <michael@niedermayer.cc>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
|
|
* Intel MediaSDK QSV based MPEG2 video decoder
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include "libavutil/common.h"
|
|
#include "libavutil/opt.h"
|
|
|
|
#include "avcodec.h"
|
|
#include "qsvdec.h"
|
|
|
|
typedef struct QSVMPEG2Context {
|
|
AVClass *class;
|
|
QSVContext qsv;
|
|
} QSVMPEG2Context;
|
|
|
|
static av_cold int qsv_decode_close(AVCodecContext *avctx)
|
|
{
|
|
QSVMPEG2Context *s = avctx->priv_data;
|
|
|
|
ff_qsv_decode_close(&s->qsv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int qsv_decode_init(AVCodecContext *avctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int qsv_decode_frame(AVCodecContext *avctx, void *data,
|
|
int *got_frame, AVPacket *avpkt)
|
|
{
|
|
QSVMPEG2Context *s = avctx->priv_data;
|
|
AVFrame *frame = data;
|
|
|
|
return ff_qsv_decode(avctx, &s->qsv, frame, got_frame, avpkt);
|
|
}
|
|
|
|
static void qsv_decode_flush(AVCodecContext *avctx)
|
|
{
|
|
}
|
|
|
|
AVHWAccel ff_mpeg2_qsv_hwaccel = {
|
|
.name = "mpeg2_qsv",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_MPEG2VIDEO,
|
|
.pix_fmt = AV_PIX_FMT_QSV,
|
|
};
|
|
|
|
#define OFFSET(x) offsetof(QSVMPEG2Context, x)
|
|
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
|
|
static const AVOption options[] = {
|
|
{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass class = {
|
|
.class_name = "mpeg2_qsv",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_mpeg2_qsv_decoder = {
|
|
.name = "mpeg2_qsv",
|
|
.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"),
|
|
.priv_data_size = sizeof(QSVMPEG2Context),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_MPEG2VIDEO,
|
|
.init = qsv_decode_init,
|
|
.decode = qsv_decode_frame,
|
|
.flush = qsv_decode_flush,
|
|
.close = qsv_decode_close,
|
|
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1,
|
|
.priv_class = &class,
|
|
};
|