static THREAD_ENTRY _audioThread(void* context) {
struct mPSP2AudioContext* audio = (struct mPSP2AudioContext*) context;
uint32_t zeroBuffer[PSP2_SAMPLES] = {0};
void* buffer = zeroBuffer;
int audioPort = sceAudioOutOpenPort(SCE_AUDIO_OUT_PORT_TYPE_MAIN, PSP2_SAMPLES, 48000, SCE_AUDIO_OUT_MODE_STEREO);
while (audio->running) {
MutexLock(&audio->mutex);
if (buffer != zeroBuffer) {
// Can only happen in successive iterations
audio->samples -= PSP2_SAMPLES;
ConditionWake(&audio->cond);
}
if (audio->samples >= PSP2_SAMPLES) {
buffer = &audio->buffer[audio->readOffset];
audio->readOffset += PSP2_SAMPLES;
if (audio->readOffset >= PSP2_AUDIO_BUFFER_SIZE) {
audio->readOffset = 0;
}
// Don't mark samples as read until the next loop iteration to prevent
// writing to the buffer while being read (see above)
} else {
buffer = zeroBuffer;
}
MutexUnlock(&audio->mutex);
sceAudioOutOutput(audioPort, buffer);
}
sceAudioOutReleasePort(audioPort);
return 0;
}
static int streamThread(unsigned int args, void* arg){
int vol, dec_vol;
for(;;) {
// A pretty bad way to close thread
if(termStream){
termStream = false;
if (bgm_chn != 0xDEAD){
sceAudioOutReleasePort(bgm_chn);
bgm_chn = 0xDEAD;
}
sceKernelExitDeleteThread(0);
}
sceKernelWaitSema(BGM_Mutex, 1, NULL);
if (BGM == NULL || (!BGM->isPlaying)){
sceKernelSignalSema(BGM_Mutex, 1);
continue;
}
// Seems like audio ports are thread dependant on PSVITA :/
if (BGM->isNewTrack){
uint8_t audio_mode = BGM->isStereo ? SCE_AUDIO_OUT_MODE_STEREO : SCE_AUDIO_OUT_MODE_MONO;
int nsamples = AUDIO_BUFSIZE / ((audio_mode+1)<<1);
if (bgm_chn == 0xDEAD) bgm_chn = sceAudioOutOpenPort(SCE_AUDIO_OUT_PORT_TYPE_MAIN, nsamples, 48000, audio_mode);
sceAudioOutSetConfig(bgm_chn, nsamples, 48000, audio_mode);
vol = BGM->vol * 327;
int vol_stereo[] = {vol, vol};
sceAudioOutSetVolume(bgm_chn, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vol_stereo);
BGM->isNewTrack = false;
}
// Volume changes support
dec_vol = audio_decoder->GetVolume();
if (dec_vol != vol){
vol = dec_vol * 327;
int vol_stereo[] = {vol, vol};
sceAudioOutSetVolume(bgm_chn, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vol_stereo);
vol = dec_vol;
}
// Audio streaming feature
if (BGM->handle != NULL){
if (BGM->cur_audiobuf == BGM->audiobuf) BGM->cur_audiobuf = BGM->audiobuf2;
else BGM->cur_audiobuf = BGM->audiobuf;
audio_decoder->Decode(BGM->cur_audiobuf, AUDIO_BUFSIZE);
if (audio_decoder->GetLoopCount() > 0){ // EoF
BGM->endedOnce = true;
}
int res = sceAudioOutOutput(bgm_chn, BGM->cur_audiobuf);
if (res < 0) Output::Error("An error occurred in audio thread (0x%lX)", res);
}
sceKernelSignalSema(BGM_Mutex, 1);
}
}
static void VITAAUD_PlayDevice(_THIS)
{
Uint8 *mixbuf = this->hidden->mixbufs[this->hidden->next_buffer];
int vols[2] = {SCE_AUDIO_MAX_VOLUME, SCE_AUDIO_MAX_VOLUME};
sceAudioOutSetVolume(this->hidden->channel, SCE_AUDIO_VOLUME_FLAG_L_CH|SCE_AUDIO_VOLUME_FLAG_R_CH, vols);
sceAudioOutOutput(this->hidden->channel, mixbuf);
this->hidden->next_buffer = (this->hidden->next_buffer + 1) % NUM_BUFFERS;
}
static inline int play_blocking(unsigned int channel,
unsigned int vol1,
unsigned int vol2,
void *buf)
{
if (!sound_ready) return -1;
if (channel >= AUDIO_CHANNELS) return -1;
int vols[2]={vol1,vol2};
sceAudioOutSetVolume(sound_stream[channel].sound_ch_handle,PSP2_AUDIO_VOLUME_FLAG_L_CH|PSP2_AUDIO_VOLUME_FLAG_R_CH,vols);
return sceAudioOutOutput(sound_stream[channel].sound_ch_handle, buf);
}
/***
* Outputs the given audio data, in a blocking fashion.
*/
static int output_audio_blocking(unsigned int channel, unsigned int vol1, unsigned int vol2, void *buf, int length)
{
if (channel >= AUDIO_CHANNELS)
return -1;
if (vol1 > PSP_AUDIO_MAX_VOLUME)
vol1 = PSP_AUDIO_MAX_VOLUME;
if (vol2 > PSP_AUDIO_MAX_VOLUME)
vol2 = PSP_AUDIO_MAX_VOLUME;
int vols[2] = { vol1, vol2 };
sceAudioOutSetConfig(audio_status[channel].Handle, length, -1, -1);
sceAudioOutSetVolume(audio_status[channel].Handle, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vols);
return sceAudioOutOutput(audio_status[channel].Handle, buf);
}
static int audioMainLoop(SceSize args, void* argp)
{
psp_audio_t* psp = *((psp_audio_t**)argp);
#ifdef VITA
int port = sceAudioOutOpenPort(PSP2_AUDIO_OUT_PORT_TYPE_MAIN, AUDIO_OUT_COUNT,
psp->rate, PSP2_AUDIO_OUT_MODE_STEREO);
#else
sceAudioSRCChReserve(AUDIO_OUT_COUNT, psp->rate, 2);
#endif
while (psp->running)
{
/* Get a non-volatile copy. */
uint16_t readPos = psp->readPos;
bool cond = ((uint16_t)(psp->writePos - readPos) & AUDIO_BUFFER_SIZE_MASK)
< (AUDIO_OUT_COUNT * 2);
#ifdef VITA
sceAudioOutOutput(port,
cond ? psp->zeroBuffer : (psp->buffer + readPos));
#else
sceAudioSRCOutputBlocking(PSP_AUDIO_VOLUME_MAX, cond ? (psp->zeroBuffer)
: (psp->buffer + readPos));
#endif
if (!cond)
{
readPos += AUDIO_OUT_COUNT;
readPos &= AUDIO_BUFFER_SIZE_MASK;
psp->readPos = readPos;
}
}
#ifdef VITA
sceAudioOutReleasePort(port);
#else
sceAudioSRCChRelease();
#endif
sceKernelExitThread(0);
return 0;
}
// Audio thread code
static int bgmThread(unsigned int args, void* arg){
// Initializing audio port
int ch = sceAudioOutOpenPort(SCE_AUDIO_OUT_PORT_TYPE_MAIN, NSAMPLES, 48000, SCE_AUDIO_OUT_MODE_STEREO);
sceAudioOutSetConfig(ch, -1, -1, -1);
old_vol = bgmvolume.value;
int vol = 32767 * bgmvolume.value;
int vol_stereo[] = {vol, vol};
sceAudioOutSetVolume(ch, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vol_stereo);
DecodedMusic* mus;
for (;;){
// Waiting for an audio output request
sceKernelWaitSema(Audio_Mutex, 1, NULL);
// Fetching track
mus = BGM;
// Checking if a new track is available
if (mus == NULL){
//If we enter here, we probably are in the exiting procedure
if (mustExit){
sceAudioOutReleasePort(ch);
mustExit = false;
sceKernelExitDeleteThread(0);
}
}
// Initializing audio decoder
audio_decoder = AudioDecoder::Create(mus->handle, "Track");
audio_decoder->Open(mus->handle);
audio_decoder->SetLooping(mus->loop);
audio_decoder->SetFormat(48000, AudioDecoder::Format::S16, 2);
// Initializing audio buffers
mus->audiobuf = (uint8_t*)malloc(BUFSIZE);
mus->audiobuf2 = (uint8_t*)malloc(BUFSIZE);
mus->cur_audiobuf = mus->audiobuf;
// Audio playback loop
for (;;){
// Check if the music must be paused
if (mus->pauseTrigger || mustExit){
// Check if the music must be closed
if (mus->closeTrigger){
free(mus->audiobuf);
free(mus->audiobuf2);
audio_decoder.reset();
free(mus);
BGM = NULL;
if (!mustExit){
sceKernelSignalSema(Talk_Mutex, 1);
break;
}
}
// Check if the thread must be closed
if (mustExit){
// Check if the audio stream has already been closed
if (mus != NULL){
mus->closeTrigger = true;
continue;
}
// Recursively closing all the threads
sceAudioOutReleasePort(ch);
mustExit = false;
sceKernelExitThread(0);
}
mus->isPlaying = !mus->isPlaying;
mus->pauseTrigger = false;
}
// Check if a volume change is required
if (mus->changeVol){
old_vol = bgmvolume.value;
int vol = 32767 * bgmvolume.value;
int vol_stereo[] = {vol, vol};
sceAudioOutSetVolume(ch, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vol_stereo);
mus->changeVol = false;
}
if (mus->isPlaying){
// Check if audio playback finished
if ((!mus->loop) && audio_decoder->IsFinished()) mus->isPlaying = false;
// Update audio output
if (mus->cur_audiobuf == mus->audiobuf) mus->cur_audiobuf = mus->audiobuf2;
else mus->cur_audiobuf = mus->audiobuf;
audio_decoder->Decode(mus->cur_audiobuf, BUFSIZE);
sceAudioOutOutput(ch, mus->cur_audiobuf);
}
}
}
}
static int audioMainLoop(SceSize args, void* argp)
{
psp_audio_t* psp = *((psp_audio_t**)argp);
#ifdef VITA
int port = sceAudioOutOpenPort(SCE_AUDIO_OUT_PORT_TYPE_MAIN, AUDIO_OUT_COUNT,
psp->rate, SCE_AUDIO_OUT_MODE_STEREO);
#else
sceAudioSRCChReserve(AUDIO_OUT_COUNT, psp->rate, 2);
#endif
while (psp->running)
{
#ifdef VITA
//sys_event_queue_receive(id, &event, SYS_NO_TIMEOUT);
sceKernelLockLwMutex((struct SceKernelLwMutexWork*)&psp->lock, 1, 0);
uint16_t readPos = psp->readPos;
uint16_t readPos2 = psp->readPos;
bool cond = ((uint16_t)(psp->writePos - readPos) & AUDIO_BUFFER_SIZE_MASK)
< (AUDIO_OUT_COUNT * 2);
if (!cond)
{
readPos += AUDIO_OUT_COUNT;
readPos &= AUDIO_BUFFER_SIZE_MASK;
psp->readPos = readPos;
}
sceKernelUnlockLwMutex((struct SceKernelLwMutexWork*)&psp->lock, 1);
sceKernelSignalLwCond(&psp->cond);
sceAudioOutOutput(port,
cond ? (psp->zeroBuffer)
: (psp->buffer + readPos2));
#else
/* Get a non-volatile copy. */
uint16_t readPos = psp->readPos;
bool cond = ((uint16_t)(psp->writePos - readPos) & AUDIO_BUFFER_SIZE_MASK)
< (AUDIO_OUT_COUNT * 2);
sceAudioSRCOutputBlocking(PSP_AUDIO_VOLUME_MAX, cond ? (psp->zeroBuffer)
: (psp->buffer + readPos));
if (!cond)
{
readPos += AUDIO_OUT_COUNT;
readPos &= AUDIO_BUFFER_SIZE_MASK;
psp->readPos = readPos;
}
#endif
}
#ifdef VITA
sceAudioOutReleasePort(port);
#else
sceAudioSRCChRelease();
sceKernelExitThread(0);
#endif
return 0;
}
static int sfxThread(unsigned int args, void* arg){
int ch = sceAudioOutOpenPort(SCE_AUDIO_OUT_PORT_TYPE_MAIN, 64, 48000, SCE_AUDIO_OUT_MODE_STEREO);
if (ch < 0){
Output::Warning("SFX Thread: Cannot open audio port");
sceKernelExitDeleteThread(0);
}
for (;;){
sceKernelWaitSema(SFX_Mutex, 1, NULL);
// Check if the thread must be closed
if (mustExit){
sfx_exited++;
if (sfx_exited < AUDIO_CHANNELS) sceKernelSignalSema(SFX_Mutex, 1);
else mustExit = false;
sceAudioOutReleasePort(ch);
sceKernelExitDeleteThread(0);
}
// Pick the next SE that wants to be played
sceKernelWaitSema(SFX_Mutex_ID, 1, NULL);
int idx = -1;
for (int i = 0; i < AUDIO_CHANNELS; ++i) {
if (!sfx_sounds[i].isPlaying && !sfx_sounds[i].isFinished) {
idx = i;
break;
}
}
if (idx == -1) {
sceKernelSignalSema(SFX_Mutex_ID, 1);
// Shouldn't happen...
Output::Warning("No pending SE found");
continue;
} else {
sfx_sounds[idx].isPlaying = true;
sceKernelSignalSema(SFX_Mutex_ID, 1);
}
DecodedSound& sfx = sfx_sounds[idx];
// Preparing audio port
uint8_t audio_mode = sfx.isStereo ? SCE_AUDIO_OUT_MODE_STEREO : SCE_AUDIO_OUT_MODE_MONO;
int nsamples = AUDIO_BUFSIZE / ((audio_mode+1)<<1);
sceAudioOutSetConfig(ch, nsamples, 48000, audio_mode);
int vol = sfx.decoder->GetVolume() * 327;
int vol_stereo[] = {vol, vol};
sceAudioOutSetVolume(ch, SCE_AUDIO_VOLUME_FLAG_L_CH | SCE_AUDIO_VOLUME_FLAG_R_CH, vol_stereo);
// Playing sound
while (!sfx.isFinished){
if (sfx.cur_audiobuf == sfx.audiobuf) sfx.cur_audiobuf = sfx.audiobuf2;
else sfx.cur_audiobuf = sfx.audiobuf;
sfx.decoder->Decode(sfx.cur_audiobuf, AUDIO_BUFSIZE);
sceAudioOutOutput(ch, sfx.cur_audiobuf);
if (sfx.decoder->IsFinished()) { // EoF
// SE slot is free again
sfx.isFinished = true;
break;
}
}
}
}
