#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 "decoder.h"
#include "video_decoder.h"
#include "audio_decoder.h"
+#include "subtitle_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 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 Film;
+class ffmpeg_pts_offset_test;
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
-class FFmpegDecoder : public VideoDecoder, public AudioDecoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder, public FFmpeg
{
public:
- FFmpegDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *);
+ FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio);
~FFmpegDecoder ();
- float frames_per_second () const;
- Size native_size () const;
- int time_base_numerator () const;
- int time_base_denominator () const;
- int sample_aspect_ratio_numerator () const;
- int sample_aspect_ratio_denominator () const;
-
- void set_audio_stream (boost::shared_ptr<AudioStream>);
- void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
-
- bool seek (SourceFrame);
+ void pass ();
+ void seek (VideoContent::Frame, bool);
+ bool done () const;
private:
+ friend class ::ffmpeg_pts_offset_test;
- bool pass ();
- PixelFormat pixel_format () const;
- AVSampleFormat audio_sample_format () const;
- int bytes_per_audio_sample () const;
+ /* No copy construction */
+ FFmpegDecoder (FFmpegDecoder const &);
+ FFmpegDecoder& operator= (FFmpegDecoder const &);
- void out_careful ();
- void filter_and_emit_video (AVFrame *);
+ static double compute_pts_offset (double, double, float);
- void setup_general ();
- void setup_video ();
- void setup_audio ();
void setup_subtitle ();
- void maybe_add_subtitle ();
- boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t* data, int size);
+ AVSampleFormat audio_sample_format () const;
+ int bytes_per_audio_sample () const;
- std::string stream_name (AVStream* s) const;
+ bool decode_video_packet ();
+ void decode_audio_packet ();
+ void decode_subtitle_packet ();
- AVFormatContext* _format_context;
- int _video_stream;
-
- AVFrame* _frame;
+ void maybe_add_subtitle ();
+ boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
- 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
+
+ std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
+ boost::mutex _filter_graphs_mutex;
- AVPacket _packet;
-
- boost::optional<double> _first_video;
- boost::optional<double> _first_audio;
+ bool _decode_video;
+ bool _decode_audio;
- std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
+ double _pts_offset;
+ bool _just_sought;
};