X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_decoder.h;h=2fb8675f996b243e13b097b5feba65ef8d1c9727;hb=ae118502865c95f15317716aef8d26641b9e9c3f;hp=18c2e2aeb316fa937a253a5dbc70a9bdd7535f96;hpb=9b0d04f34424c9aeddaf07007838f2c8c0113093;p=dcpomatic.git

diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h
index 18c2e2aeb..2fb8675f9 100644
--- a/src/lib/ffmpeg_decoder.h
+++ b/src/lib/ffmpeg_decoder.h
@@ -25,12 +25,17 @@
 #include <string>
 #include <stdint.h>
 #include <boost/shared_ptr.hpp>
+#include <boost/optional.hpp>
+#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"
 
 struct AVFilterGraph;
 struct AVCodecContext;
@@ -39,40 +44,76 @@ struct AVFormatContext;
 struct AVFrame;
 struct AVBufferContext;
 struct AVCodec;
+struct AVStream;
 class Job;
-class FilmState;
 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 Decoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder
 {
 public:
-	FFmpegDecoder (boost::shared_ptr<const FilmState>, boost::shared_ptr<const Options>, Job *, Log *, bool, bool);
+	FFmpegDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const DecodeOptions>, Job *);
 	~FFmpegDecoder ();
 
-	/* Methods to query our input video */
-	int length_in_frames () const;
-	int decoding_frames () const;
 	float frames_per_second () const;
 	Size native_size () const;
-	int audio_channels () const;
-	int audio_sample_rate () const;
-	AVSampleFormat audio_sample_format () const;
-	int64_t audio_channel_layout () const;
-
-private:
-
-	bool do_pass ();
-	PixelFormat pixel_format () 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;
-	void overlay (boost::shared_ptr<Image> image) const;
+
+	void set_audio_stream (boost::shared_ptr<AudioStream>);
+	void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
+
+	bool seek (double);
+	bool seek_to_last ();
+
+private:
+
+	bool pass ();
+	bool do_seek (double p, bool);
+	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 setup_general ();
 	void setup_video ();
@@ -80,13 +121,17 @@ private:
 	void setup_subtitle ();
 
 	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;
 
 	AVFormatContext* _format_context;
 	int _video_stream;
-	int _audio_stream; ///< may be < 0 if there is no audio
-	int _subtitle_stream; ///< may be < 0 if there is no subtitle
-	AVFrame* _frame;
 	
+	AVFrame* _frame;
+
 	AVCodecContext* _video_codec_context;
 	AVCodec* _video_codec;
 	AVCodecContext* _audio_codec_context;    ///< may be 0 if there is no audio
@@ -95,6 +140,10 @@ private:
 	AVCodec* _subtitle_codec;                ///< may be 0 if there is no subtitle
 
 	AVPacket _packet;
-	AVSubtitle _subtitle;
-	bool _have_subtitle;
+
+	boost::optional<double> _first_video;
+	boost::optional<double> _first_audio;
+
+	std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
+	boost::mutex _filter_graphs_mutex;
 };