99 lines
2.0 KiB
C++
99 lines
2.0 KiB
C++
/**
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* @file
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* Copyright 2013 (c) Anna Schumaker.
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*/
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#ifndef OCARINA_CORE_AUDIO_H
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#define OCARINA_CORE_AUDIO_H
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#include <core/driver.h>
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#include <core/tags/track.h>
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#include <string>
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/**
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* Namespace for higher-level audio controls.
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*/
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namespace audio
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{
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/**
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* Initializes the audio layer and currently configured audio driver.
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*/
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void init();
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void play(); /** Begin playback. */
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void pause(); /** Pause playback. */
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/**
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* Seek to a specific point in the track.
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*
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* @param pos Offset (in nanoseconds) from the beginning of the track.
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*/
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void seek_to(long);
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/**
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* Stop playback (equivalent to pause(); seek_to(0);).
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*/
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void stop();
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/**
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* @return The current position of the audio playback (in nanoseconds).
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*/
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long position();
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/**
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* @return The duration of the currently loaded track (in nanoseconds).
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*/
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long duration();
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/**
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* @return The current audio position, in a human readable format.
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*/
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std::string position_str();
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void next(); /** Find and load the next track that should be played. */
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void prev(); /** Call the deck :: previous() function and load the result. */
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/**
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* Load a specific track for playback.
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*
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* @param track The track that should be loaded.
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*/
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void load_track(Track *track);
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/**
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* @return A pointer to the currently playing track object.
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*/
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Track *current_track();
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/**
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* Configure the automatic pausing feature.
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*
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* @param enabled Set to true to enable pausing, false to disable.
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* @param n Number of tracks to play before pausing.
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*/
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void pause_after(bool, unsigned int);
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/**
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* Call to find the current automatic pausing state.
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*
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* @return True if automatic pausing is enabled, false otherwise.
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*/
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bool pause_enabled();
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/**
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* Call to find the number of tracks remaining before pausing.
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*
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* @return The number of tracks before pausing.
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*/
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unsigned int pause_count();
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/**
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* Called to access an audio driver.
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*
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* @return The current driver used by the application.
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*/
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Driver *get_driver();
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};
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#endif /* OCARINA_CORE_AUDIO_H */
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