#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 "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 Film;
+class ffmpeg_pts_offset_test;
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
-class FFmpegDecoder : public Decoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public FFmpeg
{
public:
- FFmpegDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *, bool, bool);
+ FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio);
~FFmpegDecoder ();
- /* Methods to query our input video */
- 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;
- bool has_subtitles () const;
-
- std::vector<AudioStream> audio_streams () const;
- std::vector<SubtitleStream> subtitle_streams () const;
+ void pass ();
+ void seek (VideoContent::Frame);
+ void seek_back ();
+ bool done () const;
private:
+ friend class ::ffmpeg_pts_offset_test;
+
+ /* No copy construction */
+ FFmpegDecoder (FFmpegDecoder const &);
+ FFmpegDecoder& operator= (FFmpegDecoder const &);
- bool pass ();
- PixelFormat pixel_format () const;
- int time_base_numerator () const;
- int time_base_denominator () const;
- int sample_aspect_ratio_numerator () const;
- int sample_aspect_ratio_denominator () const;
+ static double compute_pts_offset (double, double, float);
- void setup_general ();
- void setup_video ();
- void setup_audio ();
void setup_subtitle ();
- void maybe_add_subtitle ();
+ AVSampleFormat audio_sample_format () const;
+ int bytes_per_audio_sample () const;
+ void do_seek (VideoContent::Frame, bool, bool);
- std::string stream_name (AVStream* s) const;
+ bool decode_video_packet ();
+ void decode_audio_packet ();
- 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;
+ void maybe_add_subtitle ();
+ boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
- std::vector<AudioStream> _audio_streams;
- std::vector<SubtitleStream> _subtitle_streams;
-
- 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;
+ bool _decode_video;
+ bool _decode_audio;
- boost::optional<double> _first_video;
- boost::optional<double> _first_audio;
+ double _pts_offset;
};