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88 lines
2.6 KiB
88 lines
2.6 KiB
/* |
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* Intel MediaSDK QSV based VC-1 video decoder |
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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 <string.h> |
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#include "libavutil/common.h" |
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#include "libavutil/fifo.h" |
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#include "libavutil/opt.h" |
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#include "avcodec.h" |
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#include "qsvdec.h" |
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typedef struct QSVVC1Context { |
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AVClass *class; |
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QSVContext qsv; |
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} QSVVC1Context; |
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static av_cold int qsv_decode_close(AVCodecContext *avctx) |
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{ |
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QSVVC1Context *s = avctx->priv_data; |
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ff_qsv_decode_close(&s->qsv); |
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return 0; |
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} |
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static int qsv_decode_frame(AVCodecContext *avctx, void *data, |
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int *got_frame, AVPacket *avpkt) |
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{ |
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QSVVC1Context *s = avctx->priv_data; |
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AVFrame *frame = data; |
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return ff_qsv_decode(avctx, &s->qsv, frame, got_frame, avpkt); |
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} |
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AVHWAccel ff_vc1_qsv_hwaccel = { |
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.name = "vc1_qsv", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_VC1, |
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.pix_fmt = AV_PIX_FMT_QSV, |
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}; |
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#define OFFSET(x) offsetof(QSVVC1Context, x) |
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#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM |
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static const AVOption options[] = { |
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{ "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 }, |
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{ NULL }, |
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}; |
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static const AVClass class = { |
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.class_name = "vc1_qsv", |
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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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AVCodec ff_vc1_qsv_decoder = { |
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.name = "vc1_qsv", |
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.long_name = NULL_IF_CONFIG_SMALL("VC-1 video (Intel Quick Sync Video acceleration)"), |
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.priv_data_size = sizeof(QSVVC1Context), |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_VC1, |
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.init = NULL, |
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.decode = qsv_decode_frame, |
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.flush = NULL, |
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.close = qsv_decode_close, |
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.capabilities = AV_CODEC_CAP_DELAY, |
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.priv_class = &class, |
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};
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