- virtual int audio_channels () const = 0;
- virtual ContentAudioFrame audio_length () const = 0;
- virtual int audio_frame_rate () const = 0;
+ void as_xml (xmlpp::Node *) const;
+
+ virtual int audio_channels () const = 0;
+ virtual AudioContent::Frame audio_length () const = 0;
+ virtual int content_audio_frame_rate () const = 0;
+ virtual int output_audio_frame_rate () const = 0;
+ virtual AudioMapping audio_mapping () const = 0;
+ virtual void set_audio_mapping (AudioMapping) = 0;
+
+ void analyse_audio (boost::function<void()>);
+ boost::filesystem::path audio_analysis_path () const;
+
+ void set_audio_gain (float);
+ void set_audio_delay (int);
+
+ float audio_gain () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _audio_gain;
+ }
+
+ int audio_delay () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _audio_delay;
+ }
+
+private:
+ /** Gain to apply to audio in dB */
+ float _audio_gain;
+ /** Delay to apply to audio (positive moves audio later) in milliseconds */
+ int _audio_delay;