From f1bf21a9c2581591ab80bfc997a22b93046f8c56 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 21 Jun 2013 17:38:50 +0100
Subject: Split examiner parts off decoder.

---
 src/lib/ffmpeg_decoder.h | 72 ++++--------------------------------------------
 1 file changed, 5 insertions(+), 67 deletions(-)

(limited to 'src/lib/ffmpeg_decoder.h')

diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h
index be178dbfb..331d9be70 100644
--- a/src/lib/ffmpeg_decoder.h
+++ b/src/lib/ffmpeg_decoder.h
@@ -35,33 +35,19 @@ extern "C" {
 #include "decoder.h"
 #include "video_decoder.h"
 #include "audio_decoder.h"
+#include "ffmpeg.h"
 
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
-struct AVFormatContext;
-struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
-class Job;
-class Options;
-class Image;
-class Log;
-class FFmpegContent;
 class Film;
 
 /** @class FFmpegDecoder
  *  @brief A decoder using FFmpeg to decode content.
  */
-class FFmpegDecoder : public VideoDecoder, public AudioDecoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public FFmpeg
 {
 public:
 	FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio);
 	~FFmpegDecoder ();
 
-	/* Decoder */
-
 	void pass ();
 	void seek (Time);
 	void seek_back ();
@@ -69,78 +55,30 @@ public:
 	Time position () const;
 	bool done () 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:
 
 	/* No copy construction */
 	FFmpegDecoder (FFmpegDecoder const &);
 	FFmpegDecoder& operator= (FFmpegDecoder const &);
 
-	PixelFormat pixel_format () const;
+	void setup_subtitle ();
+
 	AVSampleFormat audio_sample_format () const;
 	int bytes_per_audio_sample () 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);
 
-	std::string stream_name (AVStream* s) const;
-
-	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
 	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;
-
+	
 	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;
-
-	/* 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;
 };
-- 
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