Merge master and multifarious hackery.

[dcpomatic.git] / src / lib / ffmpeg_decoder.h

diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h
index ef66f09d9d55acfdcc1d1485bac67c5f6cd40d38..c3747961266789a8b2da5447d15dc9c578d3cc1b 100644 (file)
--- a/src/lib/ffmpeg_decoder.h
+++ b/src/lib/ffmpeg_decoder.h
@@ -1,3 +1,5 @@
+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
 /*
     Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
 
@@ -57,55 +59,62 @@ class Log;
 class FFmpegDecoder : public VideoDecoder, public AudioDecoder
 {
 public:
-       FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<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<FFmpegContent> _ffmpeg_content;
+       boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
 
        AVFormatContext* _format_context;
        int _video_stream;
@@ -121,17 +130,19 @@ private:
 
        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;
 };