2 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef DCPOMATIC_FFMPEG_H
21 #define DCPOMATIC_FFMPEG_H
24 #include <libavcodec/avcodec.h>
26 #include "file_group.h"
27 #include <boost/shared_ptr.hpp>
28 #include <boost/thread/mutex.hpp>
30 struct AVFormatContext;
40 FFmpeg (boost::shared_ptr<const FFmpegContent>);
43 boost::shared_ptr<const FFmpegContent> ffmpeg_content () const {
44 return _ffmpeg_content;
47 int avio_read (uint8_t *, int);
48 int64_t avio_seek (int64_t, int);
51 AVCodecContext* video_codec_context () const;
52 AVCodecContext* subtitle_codec_context () const;
54 boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
56 uint8_t* _avio_buffer;
57 int _avio_buffer_size;
58 AVIOContext* _avio_context;
59 FileGroup _file_group;
61 AVFormatContext* _format_context;
65 /** Index of video stream within AVFormatContext */
68 /* It would appear (though not completely verified) that one must have
69 a mutex around calls to avcodec_open* and avcodec_close... and here
72 static boost::mutex _mutex;
75 void setup_general ();
76 void setup_decoders ();
78 static void ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl);
79 static boost::weak_ptr<Log> _ffmpeg_log;