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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Intel MediaSDK QSV utility functions |
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| 3 | * |
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| 4 | * copyright (c) 2013 Luca Barbato |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #ifndef AVCODEC_QSVDEC_H |
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| 24 | #define AVCODEC_QSVDEC_H |
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| 25 | |||
| 26 | #include |
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| 27 | #include |
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| 28 | |||
| 29 | #include |
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| 30 | |||
| 31 | #include "libavutil/fifo.h" |
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| 32 | #include "libavutil/frame.h" |
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| 33 | #include "libavutil/pixfmt.h" |
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| 34 | |||
| 35 | #include "avcodec.h" |
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| 36 | #include "qsv_internal.h" |
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| 37 | |||
| 38 | typedef struct QSVContext { |
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| 39 | // the session used for decoding |
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| 40 | mfxSession session; |
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| 41 | |||
| 42 | // the session we allocated internally, in case the caller did not provide |
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| 43 | // one |
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| 44 | QSVSession internal_qs; |
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| 45 | |||
| 46 | /** |
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| 47 | * a linked list of frames currently being used by QSV |
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| 48 | */ |
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| 49 | QSVFrame *work_frames; |
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| 50 | |||
| 51 | AVFifoBuffer *async_fifo; |
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| 52 | AVFifoBuffer *input_fifo; |
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| 53 | |||
| 54 | // this flag indicates that header parsed, |
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| 55 | // decoder instance created and ready to general decoding |
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| 56 | int engine_ready; |
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| 57 | |||
| 58 | // options set by the caller |
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| 59 | int async_depth; |
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| 60 | int iopattern; |
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| 61 | |||
| 62 | char *load_plugins; |
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| 63 | |||
| 64 | mfxExtBuffer **ext_buffers; |
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| 65 | int nb_ext_buffers; |
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| 66 | } QSVContext; |
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| 67 | |||
| 68 | int ff_qsv_map_pixfmt(enum AVPixelFormat format); |
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| 69 | |||
| 70 | int ff_qsv_decode_init(AVCodecContext *s, QSVContext *q, AVPacket *avpkt); |
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| 71 | |||
| 72 | int ff_qsv_decode(AVCodecContext *s, QSVContext *q, |
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| 73 | AVFrame *frame, int *got_frame, |
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| 74 | AVPacket *avpkt); |
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| 75 | |||
| 76 | int ff_qsv_decode_close(QSVContext *q); |
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| 77 | |||
| 78 | #endif /* AVCODEC_QSVDEC_H */ |