1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* tcavcodec.h -- transcode's support macros and tools for easier
* libavcodec/libavformat/libavutil usage
* (C) 2007-2010 - Francesco Romani <fromani at gmail dot com>
*
* This file is part of transcode, a video stream processing tool.
*
* transcode is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* transcode is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TCAVCODEC_H
#define TCAVCODEC_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <libavutil/avutil.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
/*************************************************************************/
/*
* libavcodec lock. Used for serializing initialization/open of library.
* Other libavcodec routines (avcodec_{encode,decode}_* should be thread
* safe (as ffmpeg crew said) if each thread uses it;s own AVCodecContext,
* as we do.
*/
extern pthread_mutex_t tc_libavcodec_mutex;
/*
* libavcodec locking goodies. It's preferred and encouraged to use
* macros below, but accessing libavcodec mutex will work too.
*/
#define TC_LOCK_LIBAVCODEC (pthread_mutex_lock(&tc_libavcodec_mutex))
#define TC_UNLOCK_LIBAVCODEC (pthread_mutex_unlock(&tc_libavcodec_mutex))
#define TC_INIT_LIBAVCODEC do { \
TC_LOCK_LIBAVCODEC; \
avcodec_init(); \
avcodec_register_all(); \
TC_UNLOCK_LIBAVCODEC; \
} while (0)
#endif /* TCAVCODEC_H */
|
