2 * Intel MediaSDK QSV utility functions
4 * copyright (c) 2013 Luca Barbato
6 * This file is part of Libav.
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef AVCODEC_QSVDEC_H
24 #define AVCODEC_QSVDEC_H
27 #include <sys/types.h>
29 #include <mfx/mfxvideo.h>
31 #include "libavutil/fifo.h"
32 #include "libavutil/frame.h"
33 #include "libavutil/pixfmt.h"
36 #include "qsv_internal.h"
38 typedef struct QSVContext {
39 // the session used for decoding
42 // the session we allocated internally, in case the caller did not provide
44 mfxSession internal_session;
47 * a linked list of frames currently being used by QSV
49 QSVFrame *work_frames;
51 AVFifoBuffer *async_fifo;
53 // the internal parser and codec context for parsing the data
54 AVCodecParserContext *parser;
55 AVCodecContext *avctx_internal;
56 enum AVPixelFormat orig_pix_fmt;
58 // options set by the caller
64 mfxExtBuffer **ext_buffers;
68 int ff_qsv_map_pixfmt(enum AVPixelFormat format);
70 int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
71 AVFrame *frame, int *got_frame, AVPacket *pkt);
73 void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q);
75 int ff_qsv_decode_close(QSVContext *q);
77 #endif /* AVCODEC_QSVDEC_H */