summaryrefslogtreecommitdiff
path: root/libavcodec/qsvdec.h (plain)
blob: 4e86e4b7f8f8911ab51775d92632ba4c677faea6
1/*
2 * Intel MediaSDK QSV utility functions
3 *
4 * copyright (c) 2013 Luca Barbato
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg 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.
12 *
13 * FFmpeg 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.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#ifndef AVCODEC_QSVDEC_H
24#define AVCODEC_QSVDEC_H
25
26#include <stdint.h>
27#include <sys/types.h>
28
29#include <mfx/mfxvideo.h>
30
31#include "libavutil/fifo.h"
32#include "libavutil/frame.h"
33#include "libavutil/pixfmt.h"
34
35#include "avcodec.h"
36#include "qsv_internal.h"
37
38typedef struct QSVContext {
39 // the session used for decoding
40 mfxSession session;
41
42 // the session we allocated internally, in case the caller did not provide
43 // one
44 mfxSession internal_session;
45
46 QSVFramesContext frames_ctx;
47
48 /**
49 * a linked list of frames currently being used by QSV
50 */
51 QSVFrame *work_frames;
52
53 AVFifoBuffer *async_fifo;
54 int zero_consume_run;
55
56 // the internal parser and codec context for parsing the data
57 AVCodecParserContext *parser;
58 AVCodecContext *avctx_internal;
59 enum AVPixelFormat orig_pix_fmt;
60 uint32_t fourcc;
61 mfxFrameInfo frame_info;
62
63 // options set by the caller
64 int async_depth;
65 int iopattern;
66
67 char *load_plugins;
68
69 mfxExtBuffer **ext_buffers;
70 int nb_ext_buffers;
71} QSVContext;
72
73int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
74 AVFrame *frame, int *got_frame, AVPacket *pkt);
75
76void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q);
77
78int ff_qsv_decode_close(QSVContext *q);
79
80#endif /* AVCODEC_QSVDEC_H */
81