+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
class FFmpegDecoder : public VideoDecoder, public AudioDecoder
{
public:
- FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio, bool subtitles, bool video_sync);
+ FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio, bool subtitles);
~FFmpegDecoder ();
- float frames_per_second () const;
- libdcp::Size native_size () const;
+ /* Decoder */
+
+ void pass ();
+ void seek (Time);
+ void seek_back ();
+ void seek_forward ();
+ Time next () const;
+
+ /* VideoDecoder */
+
+ float video_frame_rate () const;
+ libdcp::Size video_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 {
+ /* FFmpegDecoder */
+
+ std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
return _subtitle_streams;
}
- std::vector<FFmpegAudioStream> audio_streams () const {
+ std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
return _audio_streams;
}
- bool seek (double);
- bool seek_to_last ();
- bool pass ();
+ boost::shared_ptr<const FFmpegContent> ffmpeg_content () const {
+ return _ffmpeg_content;
+ }
private:
- bool do_seek (double p, bool);
+ /* No copy construction */
+ FFmpegDecoder (FFmpegDecoder const &);
+ FFmpegDecoder& operator= (FFmpegDecoder const &);
+
PixelFormat pixel_format () const;
AVSampleFormat audio_sample_format () const;
int bytes_per_audio_sample () const;
-
- void out_with_sync ();
- void filter_and_emit_video (AVFrame *);
- double frame_time () const;
+ void do_seek (Time, bool, bool);
void setup_general ();
void setup_video ();
void setup_audio ();
void setup_subtitle ();
+ bool decode_video_packet ();
void decode_audio_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;
boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
AVPacket _packet;
- boost::optional<double> _first_video;
- boost::optional<double> _first_audio;
-
std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
boost::mutex _filter_graphs_mutex;
- std::vector<FFmpegSubtitleStream> _subtitle_streams;
- std::vector<FFmpegAudioStream> _audio_streams;
+ std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
+ std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
bool _decode_video;
bool _decode_audio;
bool _decode_subtitles;
- bool _video_sync;
+
+ /* 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;
};