/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <boost/thread/mutex.hpp>
extern "C" {
#include <libavcodec/avcodec.h>
-#include <libpostproc/postprocess.h>
}
#include "util.h"
#include "decoder.h"
#include "video_decoder.h"
#include "audio_decoder.h"
-#include "film.h"
-#include "ffmpeg_content.h"
-
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
-struct AVFormatContext;
-struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
-class Job;
-class Options;
-class Image;
+#include "subtitle_decoder.h"
+#include "ffmpeg.h"
+
class Log;
+class FilterGraph;
+class ffmpeg_pts_offset_test;
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
-class FFmpegDecoder : public VideoDecoder, public AudioDecoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder, public FFmpeg
{
public:
- FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio, bool subtitles);
+ FFmpegDecoder (boost::shared_ptr<const FFmpegContent>, boost::shared_ptr<Log>);
~FFmpegDecoder ();
- float video_frame_rate () const;
- libdcp::Size native_size () const;
- ContentVideoFrame video_length () const;
- int time_base_numerator () const;
- int time_base_denominator () const;
- int sample_aspect_ratio_numerator () const;
- int sample_aspect_ratio_denominator () const;
-
- std::vector<FFmpegSubtitleStream> subtitle_streams () const {
- return _subtitle_streams;
- }
-
- std::vector<FFmpegAudioStream> audio_streams () const {
- return _audio_streams;
- }
+private:
+ friend class ::ffmpeg_pts_offset_test;
- bool seek (double);
- bool seek_forward ();
- bool seek_back ();
+ void seek (ContentTime time, bool);
bool pass ();
+ void flush ();
-private:
-
- /* No copy construction */
- FFmpegDecoder (FFmpegDecoder const &);
- FFmpegDecoder& operator= (FFmpegDecoder const &);
+ void setup_subtitle ();
- PixelFormat pixel_format () const;
AVSampleFormat audio_sample_format () const;
int bytes_per_audio_sample () const;
- bool do_seek (double, bool, bool);
-
- void setup_general ();
- void setup_video ();
- void setup_audio ();
- void setup_subtitle ();
- void decode_video_packet ();
+ bool decode_video_packet ();
void decode_audio_packet ();
+ void decode_subtitle_packet ();
void maybe_add_subtitle ();
boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
- void film_changed (Film::Property);
-
- std::string stream_name (AVStream* s) const;
+ bool seek_overrun_finished (ContentTime, boost::optional<ContentTime>, boost::optional<ContentTime>) const;
+ bool seek_final_finished (int, int) const;
+ int minimal_run (boost::function<bool (boost::optional<ContentTime>, boost::optional<ContentTime>, int)>);
+ void seek_and_flush (ContentTime);
- boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
-
- AVFormatContext* _format_context;
- int _video_stream;
-
- AVFrame* _frame;
-
- 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
+ boost::shared_ptr<Log> _log;
AVCodecContext* _subtitle_codec_context; ///< may be 0 if there is no subtitle
- AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle
-
- AVPacket _packet;
-
+ AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle
+
std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
boost::mutex _filter_graphs_mutex;
- std::vector<FFmpegSubtitleStream> _subtitle_streams;
- std::vector<FFmpegAudioStream> _audio_streams;
-
- bool _decode_video;
- bool _decode_audio;
- bool _decode_subtitles;
-
- /* It would appear (though not completely verified) that one must have
- a mutex around calls to avcodec_open* and avcodec_close... and here
- it is.
- */
- static boost::mutex _mutex;
+ ContentTime _pts_offset;
};