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89 lines
2.6 KiB
89 lines
2.6 KiB
/* |
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* Intel MediaSDK QSV utility functions |
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* |
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* copyright (c) 2013 Luca Barbato |
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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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#ifndef AVCODEC_QSVDEC_H |
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#define AVCODEC_QSVDEC_H |
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#include <stdint.h> |
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#include <sys/types.h> |
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#include <mfx/mfxvideo.h> |
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#include "libavutil/fifo.h" |
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#include "libavutil/frame.h" |
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#include "libavutil/pixfmt.h" |
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#include "avcodec.h" |
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#include "qsv_internal.h" |
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typedef struct QSVContext { |
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// the session used for decoding |
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mfxSession session; |
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// the session we allocated internally, in case the caller did not provide |
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// one |
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QSVSession internal_qs; |
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/** |
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* a linked list of frames currently being used by QSV |
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*/ |
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QSVFrame *work_frames; |
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AVFifoBuffer *async_fifo; |
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AVFifoBuffer *input_fifo; |
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// we should to buffer input packets at some cases |
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// else it is not possible to handle dynamic stream changes correctly |
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// this fifo uses for input packets buffering |
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AVFifoBuffer *pkt_fifo; |
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// this flag indicates that header parsed, |
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// decoder instance created and ready to general decoding |
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int engine_ready; |
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// we can not just re-init decoder if different sequence header arrived |
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// we should to deliver all buffered frames but we can not decode new packets |
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// this time. So when reinit_pending is non-zero we flushing decoder and |
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// accumulate new arrived packets into pkt_fifo |
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int reinit_pending; |
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// options set by the caller |
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int async_depth; |
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int iopattern; |
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char *load_plugins; |
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mfxExtBuffer **ext_buffers; |
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int nb_ext_buffers; |
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} QSVContext; |
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int ff_qsv_map_pixfmt(enum AVPixelFormat format); |
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int ff_qsv_decode(AVCodecContext *s, QSVContext *q, |
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AVFrame *frame, int *got_frame, |
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AVPacket *avpkt); |
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void ff_qsv_decode_reset(AVCodecContext *avctx, QSVContext *q); |
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int ff_qsv_decode_close(QSVContext *q); |
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#endif /* AVCODEC_QSVDEC_H */
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