/***
gx_audio_Start
This function restarts the audio engine
This is called when coming back from Main Menu
***/
void gx_audio_Start(void)
{
/* shutdown background music */
PauseOgg(1);
StopOgg();
/* shutdown menu audio processing */
ASND_Pause(1);
ASND_End();
AUDIO_StopDMA();
AUDIO_RegisterDMACallback(NULL);
DSP_Halt();
/* DMA Interrupt callback */
AUDIO_RegisterDMACallback(ai_callback);
/* emulation is synchronized with audio hardware by default */
audioSync = AUDIO_WAIT;
/* reset emulation audio processing */
memset(soundbuffer, 0, sizeof(soundbuffer));
audioWait = 0;
bufferSize = 0;
bufferIndex = 0;
}
/* AUDIO engine shutdown */
void gx_audio_Shutdown(void)
{
PauseOgg(1);
StopOgg();
ASND_Pause(1);
ASND_End();
if (Bg_music_ogg)
{
free(Bg_music_ogg);
}
}
void CDAudio_Pause(void)
{
if (!enabled)
return;
if (!playing)
return;
PauseOgg(1);
wasPlaying = playing;
playing = false;
}
/***
gx_audio_Stop
This function stops current Audio DMA process
This is called when going back to Main Menu
***/
void gx_audio_Stop(void)
{
/* restart menu audio processing */
DSP_Unhalt();
ASND_Init();
ASND_Pause(0);
/* play background music */
if (Bg_music_ogg && !Shutdown)
{
PauseOgg(0);
PlayOgg((char *)Bg_music_ogg, Bg_music_ogg_size, 0, OGG_INFINITE_TIME);
SetVolumeOgg(((int)config.bgm_volume * 255) / 100);
}
}
void CDAudio_Resume(void)
{
if (!enabled)
return;
if (!cdValid)
return;
if (!wasPlaying)
return;
PauseOgg(0);
playing = true;
}
void GuiSound::Resume()
{
if(voice < 0)
return;
switch(type)
{
case SOUND_PCM:
ASND_PauseVoice(voice, 0);
break;
case SOUND_OGG:
PauseOgg(0);
break;
}
}
void GuiSound::Pause() {
#ifndef NO_SOUND
if (voice < 0)
return;
switch (type) {
case SOUND_PCM:
ASND_PauseVoice(voice, 1);
break;
case SOUND_OGG:
PauseOgg(1);
break;
}
#endif
}
int AalibPause(int channel)
{
if ((PSPAALIB_CHANNEL_WAV_1<=channel)&&(channel<=PSPAALIB_CHANNEL_WAV_32))
{
return PauseWav(channel-PSPAALIB_CHANNEL_WAV_1);
}
if ((PSPAALIB_CHANNEL_OGG_1<=channel)&&(channel<=PSPAALIB_CHANNEL_OGG_10))
{
return PauseOgg(channel-PSPAALIB_CHANNEL_OGG_1);
}
if ((PSPAALIB_CHANNEL_SCEMP3_1<=channel)&&(channel<=PSPAALIB_CHANNEL_SCEMP3_2))
{
return PauseSceMp3(channel-PSPAALIB_CHANNEL_SCEMP3_1);
}
if ((PSPAALIB_CHANNEL_AT3_1<=channel)&&(channel<=PSPAALIB_CHANNEL_AT3_2))
{
return PauseAt3(channel-PSPAALIB_CHANNEL_AT3_1);
}
return PSPAALIB_ERROR_INVALID_CHANNEL;
}
/***
gx_audio_Start
This function restart the audio engine
This is called when coming back from Main Menu
***/
void gx_audio_Start(void)
{
/* shutdown background music */
PauseOgg(1);
StopOgg();
/* shutdown menu audio processing */
ASND_Pause(1);
AUDIO_StopDMA();
AUDIO_RegisterDMACallback(NULL);
DSP_Halt();
/* when not using 60hz mode, frame emulation is synchronized with Audio Interface DMA */
if (gc_pal | vdp_pal)
{
AUDIO_RegisterDMACallback(ai_callback);
}
/* reset emulation audio processing */
memset(soundbuffer, 0, 2 * 3840);
audioStarted = 0;
mixbuffer = 0;
}