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qsvdec.h
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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 "hwaccel.h"
37 #include "qsv_internal.h"
38 
39 typedef struct QSVContext {
40  // the session used for decoding
41  mfxSession session;
42 
43  // the session we allocated internally, in case the caller did not provide
44  // one
45  mfxSession internal_session;
46 
48 
49  /**
50  * a linked list of frames currently being used by QSV
51  */
53 
56 
57  // the internal parser and codec context for parsing the data
61  uint32_t fourcc;
62  mfxFrameInfo frame_info;
63 
64  // options set by the caller
66  int iopattern;
67 
68  char *load_plugins;
69 
70  mfxExtBuffer **ext_buffers;
72 } QSVContext;
73 
75 
77  AVFrame *frame, int *got_frame, AVPacket *pkt);
78 
80 
82 
83 #endif /* AVCODEC_QSVDEC_H */
int iopattern
Definition: qsvdec.h:66
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
mfxExtBuffer ** ext_buffers
Definition: qsvdec.h:70
const AVCodecHWConfigInternal * ff_qsv_hw_configs[]
Definition: qsvdec.c:44
static AVPacket pkt
static AVFrame * frame
AVCodecParserContext * parser
Definition: qsvdec.h:58
reference-counted frame API
int zero_consume_run
Definition: qsvdec.h:55
void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q)
Definition: qsvdec.c:548
enum AVPixelFormat orig_pix_fmt
Definition: qsvdec.h:60
Libavcodec external API header.
mfxSession internal_session
Definition: qsvdec.h:45
main external API structure.
Definition: avcodec.h:1488
a very simple circular buffer FIFO implementation
char * load_plugins
Definition: qsvdec.h:68
int ff_qsv_decode_close(QSVContext *q)
Definition: qsvdec.c:433
mfxFrameInfo frame_info
Definition: qsvdec.h:62
pixel format definitions
AVCodecContext * avctx_internal
Definition: qsvdec.h:59
QSVFramesContext frames_ctx
Definition: qsvdec.h:47
mfxSession session
Definition: qsvdec.h:41
AVFifoBuffer * async_fifo
Definition: qsvdec.h:54
uint32_t fourcc
Definition: qsvdec.h:61
int async_depth
Definition: qsvdec.h:65
int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *pkt)
Definition: qsvdec.c:472
QSVFrame * work_frames
a linked list of frames currently being used by QSV
Definition: qsvdec.h:52
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1377
int nb_ext_buffers
Definition: qsvdec.h:71