mirror of
https://github.com/jkdansereau/goldeneye-pc-port.git
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James Dansereauanditaloarruda
b735190fd9
Gamepad presets and per-seat rebinding (D469, building on italoarruda's #109), master volume and output device (D470), controller-family button names and player LEDs (D471), F10 owner-pad input and widescreen pillarbox polish (D472). Refs: D469 D470 D471 D472 Co-authored-by: italoarruda <3868006+italoarruda@users.noreply.github.com>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#ifndef PORT_AUDIO_H
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#define PORT_AUDIO_H
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/*
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* Audio: SDL audio device + buffer queueing.
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* Modelled on the PD port's port/include/audio.h.
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*
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* libaudio (AL) runs on the CPU and produces mixed s16 stereo output. The AI
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* (osAiSetNextBuffer / osAiGetLength / osAiSetFrequency) is mapped onto this
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* layer, which queues the mixed samples to the SDL audio device.
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*/
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#include <PR/ultratypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Initialize the SDL audio device. Returns 0 on success. */
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int audioInit(void);
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void audioDestroy(void);
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/* Number of samples (stereo s16 frames) currently queued. */
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s32 audioGetSamplesBuffered(void);
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/* D204/F1: emulate the N64 AI_LEN_REG -- bytes remaining in the buffer the
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* DAC is *currently* playing, NOT the whole queue depth. src/audi.c does
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* arithmetic on this value that only holds inside the N64's range. */
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u32 audioGetAiLengthBytes(void);
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/* Queue the next block of mixed samples (len is in bytes). */
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void audioSetNextBuffer(const s16 *buf, u32 len);
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/* D470: output-device selection. audioDeviceRefresh() re-enumerates and
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* returns the count; audioDeviceName(i) is valid until the next refresh.
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* audioDeviceRequest("") = system default. The switch itself is applied on
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* the audio thread. audioNotifyDeviceRemoved() is for SDL_AUDIODEVICEREMOVED. */
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int audioDeviceRefresh(void);
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const char *audioDeviceName(int i);
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const char *audioDeviceCurrentName(void);
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void audioDeviceRequest(const char *name);
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void audioNotifyDeviceRemoved(u32 which);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORT_AUDIO_H */
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