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 0c89b973dfbb9b47c237cd2e9ade391327758fd9..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>
 
@@ -36,6 +38,7 @@ extern "C" {
 #include "video_decoder.h"
 #include "audio_decoder.h"
 #include "film.h"
+#include "ffmpeg_content.h"
 
 struct AVFilterGraph;
 struct AVCodecContext;
@@ -50,85 +53,69 @@ class Options;
 class Image;
 class Log;
 
-class FFmpegAudioStream : public AudioStream
-{
-public:
-       FFmpegAudioStream (std::string n, int i, int s, int64_t c)
-               : AudioStream (s, c)
-               , _name (n)
-               , _id (i)
-       {}
-
-       std::string to_string () const;
-
-       std::string name () const {
-               return _name;
-       }
-
-       int id () const {
-               return _id;
-       }
-
-       static boost::shared_ptr<FFmpegAudioStream> create (std::string t, boost::optional<int> v);
-
-private:
-       friend class stream_test;
-       
-       FFmpegAudioStream (std::string t, boost::optional<int> v);
-       
-       std::string _name;
-       int _id;
-};
-
 /** @class FFmpegDecoder
  *  @brief A decoder using FFmpeg to decode content.
  */
 class FFmpegDecoder : public VideoDecoder, public AudioDecoder
 {
 public:
-       FFmpegDecoder (boost::shared_ptr<Film>, DecodeOptions);
+       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;
-       SourceFrame length () const;
-       int time_base_numerator () const;
-       int time_base_denominator () const;
-       int sample_aspect_ratio_numerator () const;
-       int sample_aspect_ratio_denominator () const;
+       /* Decoder */
 
-       void set_audio_stream (boost::shared_ptr<AudioStream>);
-       void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
-
-       bool seek (double);
-       bool seek_to_last ();
-       void seek_forward ();
+       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;
+
+       /* FFmpegDecoder */
+
+       std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
+               return _subtitle_streams;
+       }
+       
+       std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
+               return _audio_streams;
+       }
+
+       boost::shared_ptr<const FFmpegContent> ffmpeg_content () const {
+               return _ffmpeg_content;
+       }
 
 private:
 
-       bool pass ();
-       bool do_seek (double p, bool, 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 filter_and_emit_video ();
+       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;
+
        AVFormatContext* _format_context;
        int _video_stream;
        
@@ -145,4 +132,17 @@ private:
 
        std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
        boost::mutex _filter_graphs_mutex;
+
+        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;
+
+       /* 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;
 };