*/
-#include <vector>
-#include <boost/shared_ptr.hpp>
-#include <boost/thread/mutex.hpp>
+#ifndef DCPOMATIC_FFMPEG_H
+#define DCPOMATIC_FFMPEG_H
+
+#include "file_group.h"
+#include "ffmpeg_subtitle_period.h"
extern "C" {
#include <libavcodec/avcodec.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
{
return _ffmpeg_content;
}
+ int avio_read (uint8_t *, int);
+ int64_t avio_seek (int64_t, int);
+
protected:
+ AVCodecContext* video_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_is_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;
- int _video_stream;
- AVCodecContext* _video_codec_context;
- AVCodec* _video_codec;
- AVCodecContext* _audio_codec_context; ///< may be 0 if there is no audio
- AVCodec* _audio_codec; ///< may be 0 if there is no audio
+ /** Index of video stream within AVFormatContext */
+ 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_video ();
- void setup_audio ();
+ 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