pspaudio.h

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/*
 * PSP Software Development Kit - http://www.pspdev.org
 * -----------------------------------------------------------------------
 * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
 *
 * pspaudio.h - Prototypes for the sceAudio library.
 *
 * Copyright (c) 2005 Adresd
 * Copyright (c) 2005 Marcus R. Brown <mrbrown@ocgnet.org>
 * Copyright (c) 2007 cooleyes
 * Copyright (c) 2007 Alexander Berl <raphael@fx-world.org>
 * Copyright (c) 2008 David Perry <tias_dp@hotmail.com>
 *
 * $Id: pspaudio.h 2433 2008-10-15 10:00:27Z iwn $
 */
#ifndef PSPAUDIO_H
#define PSPAUDIO_H

#ifdef __cplusplus
extern "C" {
#endif


#define PSP_AUDIO_VOLUME_MAX    0x8000

#define PSP_AUDIO_CHANNEL_MAX   8

#define PSP_AUDIO_NEXT_CHANNEL  (-1)

enum PspAudioFormats
{
    PSP_AUDIO_FORMAT_STEREO = 0,
    PSP_AUDIO_FORMAT_MONO   = 0x10
};

typedef struct
{
        int unknown1;
        int gain;
        int unknown2;
        int unknown3;
        int unknown4;
        int unknown5;
        
} pspAudioInputParams;

#define PSP_AUDIO_SAMPLE_MIN    64

#define PSP_AUDIO_SAMPLE_MAX    65472

#define PSP_AUDIO_SAMPLE_ALIGN(s) (((s) + 63) & ~63)
 
int sceAudioChReserve(int channel, int samplecount, int format);

int sceAudioChRelease(int channel);

int sceAudioOutput(int channel, int vol, void *buf);

int sceAudioOutputBlocking(int channel, int vol, void *buf);

int sceAudioOutputPanned(int channel, int leftvol, int rightvol, void *buf);

int sceAudioOutputPannedBlocking(int channel, int leftvol, int rightvol, void *buf);

int sceAudioGetChannelRestLen(int channel);

int sceAudioGetChannelRestLength(int channel);

int sceAudioSetChannelDataLen(int channel, int samplecount);

int sceAudioChangeChannelConfig(int channel, int format);

int sceAudioChangeChannelVolume(int channel, int leftvol, int rightvol);

//sceAudioOneshotOutput ???

int sceAudioOutput2Reserve(int samplecount);

int sceAudioOutput2Release(void);

int sceAudioOutput2ChangeLength(int samplecount);

int sceAudioOutput2OutputBlocking(int vol, void *buf);

int sceAudioOutput2GetRestSample(void);

int sceAudioSRCChReserve(int samplecount, int freq, int channels);

int sceAudioSRCChRelease(void);

int sceAudioSRCOutputBlocking(int vol, void *buf);

int sceAudioInputInit(int unknown1, int gain, int unknown2);

int sceAudioInputInitEx(pspAudioInputParams *params);

int sceAudioInputBlocking(int samplecount, int freq, void *buf);

int sceAudioInput(int samplecount, int freq, void *buf);

int sceAudioGetInputLength(void);

int sceAudioWaitInputEnd(void);

int sceAudioPollInputEnd(void);

#ifdef __cplusplus
}
#endif

#endif /* PSPAUDIO_H */