diff options
Diffstat (limited to 'src/lib/ffmpeg_decoder.h')
| -rw-r--r-- | src/lib/ffmpeg_decoder.h | 103 |
1 files changed, 52 insertions, 51 deletions
diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h index 0c89b973d..2d295db7b 100644 --- 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> @@ -35,7 +37,6 @@ extern "C" { #include "decoder.h" #include "video_decoder.h" #include "audio_decoder.h" -#include "film.h" struct AVFilterGraph; struct AVCodecContext; @@ -49,36 +50,8 @@ 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 FFmpegContent; +class Film; /** @class FFmpegDecoder * @brief A decoder using FFmpeg to decode content. @@ -86,49 +59,64 @@ private: 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; + 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: - 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 +133,17 @@ 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; }; |
