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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Intel MediaSDK QSV based VC-1 video decoder |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include |
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| 22 | #include |
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| 23 | |||
| 24 | #include "libavutil/common.h" |
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| 25 | #include "libavutil/fifo.h" |
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| 26 | #include "libavutil/opt.h" |
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| 27 | |||
| 28 | #include "avcodec.h" |
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| 29 | #include "qsvdec.h" |
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| 30 | |||
| 31 | typedef struct QSVVC1Context { |
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| 32 | AVClass *class; |
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| 33 | QSVContext qsv; |
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| 34 | } QSVVC1Context; |
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| 35 | |||
| 36 | |||
| 37 | static av_cold int qsv_decode_close(AVCodecContext *avctx) |
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| 38 | { |
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| 39 | QSVVC1Context *s = avctx->priv_data; |
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| 40 | |||
| 41 | ff_qsv_decode_close(&s->qsv); |
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| 42 | |||
| 43 | return 0; |
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| 44 | } |
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| 45 | |||
| 46 | static int qsv_decode_frame(AVCodecContext *avctx, void *data, |
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| 47 | int *got_frame, AVPacket *avpkt) |
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| 48 | { |
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| 49 | QSVVC1Context *s = avctx->priv_data; |
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| 50 | AVFrame *frame = data; |
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| 51 | |||
| 52 | return ff_qsv_decode(avctx, &s->qsv, frame, got_frame, avpkt); |
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| 53 | } |
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| 54 | |||
| 55 | AVHWAccel ff_vc1_qsv_hwaccel = { |
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| 56 | .name = "vc1_qsv", |
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| 57 | .type = AVMEDIA_TYPE_VIDEO, |
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| 58 | .id = AV_CODEC_ID_VC1, |
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| 59 | .pix_fmt = AV_PIX_FMT_QSV, |
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| 60 | }; |
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| 61 | |||
| 62 | #define OFFSET(x) offsetof(QSVVC1Context, x) |
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| 63 | #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM |
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| 64 | static const AVOption options[] = { |
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| 65 | { "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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| 66 | { NULL }, |
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| 67 | }; |
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| 68 | |||
| 69 | static const AVClass class = { |
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| 70 | .class_name = "vc1_qsv", |
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| 71 | .item_name = av_default_item_name, |
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| 72 | .option = options, |
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| 73 | .version = LIBAVUTIL_VERSION_INT, |
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| 74 | }; |
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| 75 | |||
| 76 | AVCodec ff_vc1_qsv_decoder = { |
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| 77 | .name = "vc1_qsv", |
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| 78 | .long_name = NULL_IF_CONFIG_SMALL("VC-1 video (Intel Quick Sync Video acceleration)"), |
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| 79 | .priv_data_size = sizeof(QSVVC1Context), |
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| 80 | .type = AVMEDIA_TYPE_VIDEO, |
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| 81 | .id = AV_CODEC_ID_VC1, |
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| 82 | .init = NULL, |
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| 83 | .decode = qsv_decode_frame, |
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| 84 | .flush = NULL, |
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| 85 | .close = qsv_decode_close, |
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| 86 | .capabilities = AV_CODEC_CAP_DELAY, |
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| 87 | .priv_class = &class, |
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| 88 | }; |