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167 lines
3.2 KiB
C
167 lines
3.2 KiB
C
/* MikMod sound library
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(c) 1998-2014 Miodrag Vallat and others - see file AUTHORS for
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complete list.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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*/
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/*==============================================================================
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drv_psp.c -- output data to PlayStation Portable audio device.
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by sweetlilmre (12 November 2005, mikmod 3.1.11 port)
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originally by Jim Shaw (mikmod-3.0.3 port, July 2005, Public Domain)
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==============================================================================*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "mikmod_internals.h"
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#ifdef DRV_PSP
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#include <pspkernel.h>
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#include <pspaudio.h>
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#include <pspaudiolib.h>
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#include <string.h>
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static int audio_ready = 0;
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static int audio_handle = -1;
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static volatile int audio_terminate = 0;
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static volatile int bufidx = 0;
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static volatile int playing = 0;
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static short mikmod_sndbuf[2][PSP_NUM_AUDIO_SAMPLES][2];
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static void PSP_Update(void)
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{
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if (audio_terminate == 0) {
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void *bufptr = &mikmod_sndbuf[bufidx];
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if (playing) {
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VC_WriteBytes(bufptr, PSP_NUM_AUDIO_SAMPLES*4);
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}
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else {
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memset(bufptr, 0, PSP_NUM_AUDIO_SAMPLES*4);
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}
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if (audio_ready) {
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sceAudioOutputPannedBlocking(audio_handle, PSP_VOLUME_MAX, PSP_VOLUME_MAX, bufptr);
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}
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bufidx ^= 1;
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}
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}
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static BOOL PSP_IsThere(void)
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{
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return 1;
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}
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static int PSP_Init(void)
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{
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if (VC_Init())
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return 1;
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audio_terminate = 0;
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audio_ready = 0;
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audio_handle = sceAudioChReserve(-1, PSP_NUM_AUDIO_SAMPLES, 0);
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if (audio_handle < 0) {
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audio_handle = -1;
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_mm_errno = MMERR_OPENING_AUDIO;
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return 1;
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}
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audio_ready = 1;
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return 0;
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}
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static void PSP_Exit(void)
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{
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audio_ready = 0;
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audio_terminate = 1;
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if (audio_handle != -1) {
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sceAudioChRelease(audio_handle);
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audio_handle = -1;
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}
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VC_Exit();
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}
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static int PSP_Reset(void)
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{
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VC_Exit();
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return VC_Init();
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}
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static int PSP_PlayStart(void)
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{
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VC_PlayStart();
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playing = 1;
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return 0;
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}
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static void PSP_PlayStop(void)
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{
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playing = 0;
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VC_PlayStop();
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}
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MIKMODAPI MDRIVER drv_psp = {
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NULL,
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"PSP Audio",
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"PSP Output Driver v1.1 - by sweetlilmre, original by Jim Shaw",
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0,255,
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"pspdrv",
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NULL,
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NULL,
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PSP_IsThere,
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VC_SampleLoad,
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VC_SampleUnload,
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VC_SampleSpace,
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VC_SampleLength,
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PSP_Init,
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PSP_Exit,
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PSP_Reset,
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VC_SetNumVoices,
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PSP_PlayStart,
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PSP_PlayStop,
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PSP_Update,
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NULL,
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VC_VoiceSetVolume,
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VC_VoiceGetVolume,
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VC_VoiceSetFrequency,
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VC_VoiceGetFrequency,
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VC_VoiceSetPanning,
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VC_VoiceGetPanning,
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VC_VoicePlay,
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VC_VoiceStop,
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VC_VoiceStopped,
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VC_VoiceGetPosition,
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VC_VoiceRealVolume
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};
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#else
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MISSING(drv_psp);
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#endif
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/* ex:set ts=8: */
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