diff options
Diffstat (limited to 'src/lib/audio_content.h')
| -rw-r--r-- | src/lib/audio_content.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/lib/audio_content.h b/src/lib/audio_content.h index 4dc45f114..ba998a5ad 100644 --- a/src/lib/audio_content.h +++ b/src/lib/audio_content.h @@ -42,6 +42,8 @@ public: static int const STREAMS; static int const GAIN; static int const DELAY; + static int const FADE_IN; + static int const FADE_OUT; }; @@ -76,6 +78,19 @@ public: return _delay; } + dcpomatic::ContentTime fade_in () const { + boost::mutex::scoped_lock lm (_mutex); + return _fade_in; + } + + dcpomatic::ContentTime fade_out () const { + boost::mutex::scoped_lock lm (_mutex); + return _fade_out; + } + + void set_fade_in (dcpomatic::ContentTime time); + void set_fade_out (dcpomatic::ContentTime time); + std::string processing_description (std::shared_ptr<const Film> film) const; std::vector<AudioStreamPtr> streams () const { @@ -93,6 +108,13 @@ public: void modify_position (std::shared_ptr<const Film> film, dcpomatic::DCPTime& pos) const; void modify_trim_start (dcpomatic::ContentTime& pos) const; + /** @param frame frame within the whole (untrimmed) content. + * @param frame_rate The frame rate of the audio (it may have been resampled). + * @return a fade coefficient for @ref length samples starting at an offset @frame within + * the content, or an empty vector if the given section has no fade. + */ + std::vector<float> fade (AudioStreamPtr stream, Frame frame, Frame length, int frame_rate) const; + static std::shared_ptr<AudioContent> from_xml (Content* parent, cxml::ConstNodePtr, int version); private: @@ -101,6 +123,8 @@ private: double _gain = 0; /** Delay to apply to audio (positive moves audio later) in milliseconds */ int _delay = 0; + dcpomatic::ContentTime _fade_in; + dcpomatic::ContentTime _fade_out; std::vector<AudioStreamPtr> _streams; }; |