/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_FFMPEG_H
#define DCPOMATIC_FFMPEG_H
-#include <vector>
-#include <boost/shared_ptr.hpp>
-#include <boost/thread/mutex.hpp>
+#include "file_group.h"
+#include "ffmpeg_subtitle_period.h"
extern "C" {
#include <libavcodec/avcodec.h>
}
-#include "file_group.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/mutex.hpp>
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
struct AVFormatContext;
struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
struct AVIOContext;
class FFmpegContent;
+class FFmpegAudioStream;
+class Log;
class FFmpeg
{
protected:
AVCodecContext* video_codec_context () const;
- AVCodecContext* audio_codec_context () const;
AVCodecContext* subtitle_codec_context () const;
-
+ ContentTime pts_offset (
+ std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams, boost::optional<ContentTime> first_video, double video_frame_rate
+ ) const;
+
+ static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const & sub);
+ static std::string subtitle_id (AVSubtitle const & sub);
+ static bool subtitle_starts_image (AVSubtitle const & sub);
+
boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
uint8_t* _avio_buffer;
int _avio_buffer_size;
AVIOContext* _avio_context;
FileGroup _file_group;
-
+
AVFormatContext* _format_context;
AVPacket _packet;
AVFrame* _frame;
/** Index of video stream within AVFormatContext */
- int _video_stream;
+ boost::optional<int> _video_stream;
/* It would appear (though not completely verified) that one must have
a mutex around calls to avcodec_open* and avcodec_close... and here
private:
void setup_general ();
void setup_decoders ();
+
+ static void ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl);
+ static boost::weak_ptr<Log> _ffmpeg_log;
};
#endif