OSStatus RageSound_CA::GetData(AudioDeviceID inDevice,
const AudioTimeStamp *inNow,
const AudioBufferList *inInputData,
const AudioTimeStamp *inInputTime,
AudioBufferList *outOutputData,
const AudioTimeStamp *inOutputTime,
void *inClientData)
{
RageTimer tm;
RageSound_CA *This = (RageSound_CA *)inClientData;
AudioBuffer& buf = outOutputData->mBuffers[0];
UInt32 dataPackets = buf.mDataByteSize >> 3; // 8 byes per packet
int64_t decodePos = int64_t(inOutputTime->mSampleTime);
int64_t now = int64_t(inNow->mSampleTime);
RageTimer tm2;
int16_t buffer[dataPackets * (kBytesPerPacket >> 1)];
This->Mix(buffer, dataPackets, decodePos, now);
g_fLastMixTimes[g_iLastMixTimePos] = tm2.GetDeltaTime();
++g_iLastMixTimePos;
wrap(g_iLastMixTimePos, NUM_MIX_TIMES);
AudioConverterConvertBuffer(This->mConverter, dataPackets * kBytesPerPacket,
buffer, &buf.mDataByteSize, buf.mData);
g_fLastIOProcTime = tm.GetDeltaTime();
++g_iNumIOProcCalls;
return noErr;
}
static void writeCallback(void *aqData,
AudioQueueRef inAQ, AudioQueueBufferRef inBuffer)
{
AQData *d = (AQData *) aqData;
OSStatus err;
int len =
(d->writeBufferByteSize * d->writeAudioFormat.mSampleRate / 1) /
d->devicewriteFormat.mSampleRate /
d->devicewriteFormat.mChannelsPerFrame;
ms_mutex_lock(&d->mutex);
if (d->write_started == FALSE) {
ms_mutex_unlock(&d->mutex);
return;
}
if (d->bufferizer->size >= len) {
#if 0
UInt32 bsize = d->writeBufferByteSize;
uint8_t *pData = ms_malloc(len);
ms_bufferizer_read(d->bufferizer, pData, len);
err = AudioConverterConvertBuffer(d->writeAudioConverter,
len,
pData,
&bsize, inBuffer->mAudioData);
if (err != noErr) {
ms_error("writeCallback: AudioConverterConvertBuffer %d", err);
}
ms_free(pData);
if (bsize != d->writeBufferByteSize)
ms_warning("d->writeBufferByteSize = %i len = %i bsize = %i",
d->writeBufferByteSize, len, bsize);
#else
ms_bufferizer_read(d->bufferizer, inBuffer->mAudioData, len);
#endif
} else {
memset(inBuffer->mAudioData, 0, d->writeBufferByteSize);
}
inBuffer->mAudioDataByteSize = d->writeBufferByteSize;
if (gain_changed_out == true)
{
AudioQueueSetParameter (d->writeQueue,
kAudioQueueParam_Volume,
gain_volume_out);
gain_changed_out = false;
}
err = AudioQueueEnqueueBuffer(d->writeQueue, inBuffer, 0, NULL);
if (err != noErr) {
ms_error("AudioQueueEnqueueBuffer %d", err);
}
ms_mutex_unlock(&d->mutex);
}
static void aq_put(MSFilter * f, mblk_t * m)
{
AQData *d = (AQData *) f->data;
ms_mutex_lock(&d->mutex);
ms_bufferizer_put(d->bufferizer, m);
ms_mutex_unlock(&d->mutex);
int len =
(d->writeBufferByteSize * d->writeAudioFormat.mSampleRate / 1) /
d->devicewriteFormat.mSampleRate /
d->devicewriteFormat.mChannelsPerFrame;
if (d->write_started == FALSE && d->bufferizer->size >= len) {
AudioQueueBufferRef curbuf = d->writeBuffers[d->curWriteBuffer];
#if 0
OSStatus err;
UInt32 bsize = d->writeBufferByteSize;
uint8_t *pData = ms_malloc(len);
ms_bufferizer_read(d->bufferizer, pData, len);
err = AudioConverterConvertBuffer(d->writeAudioConverter,
len,
pData,
&bsize, curbuf->mAudioData);
if (err != noErr) {
ms_error("writeCallback: AudioConverterConvertBuffer %d", err);
}
ms_free(pData);
if (bsize != d->writeBufferByteSize)
ms_warning("d->writeBufferByteSize = %i len = %i bsize = %i",
d->writeBufferByteSize, len, bsize);
#else
ms_bufferizer_read(d->bufferizer, curbuf->mAudioData, len);
#endif
curbuf->mAudioDataByteSize = d->writeBufferByteSize;
putWriteAQ(d, d->curWriteBuffer);
++d->curWriteBuffer;
}
if (d->write_started == FALSE
&& d->curWriteBuffer == kNumberAudioOutDataBuffers - 1) {
OSStatus err;
err = AudioQueueStart(d->writeQueue, NULL // start time. NULL means ASAP.
);
if (err != noErr) {
ms_error("AudioQueueStart -write- %d", err);
}
d->write_started = TRUE;
}
}
JNIEXPORT jint JNICALL Java_com_apple_audio_toolbox_AudioConverter_AudioConverterConvertBuffer
(JNIEnv *, jclass, jint inAudioConverter, jint inInputDataSize, jint inInputData, jint ioOutputDataSize, jint outOutputData)
{
return (jint)AudioConverterConvertBuffer((AudioConverterRef)inAudioConverter, (UInt32)inInputDataSize, (void *)inInputData, (UInt32 *)ioOutputDataSize, (void *)outOutputData);
}
//-----------------------------------------------------------------------------
bool AudioFile::Load()
{
#if MAC
AudioFileID mAudioFileID;
AudioStreamBasicDescription fileDescription, outputFormat;
SInt64 dataSize64;
UInt32 dataSize;
OSStatus err;
UInt32 size;
// ファイルを開く
FSRef ref;
Boolean isDirectory=false;
FSPathMakeRef((const UInt8*)GetFilePath(), &ref, &isDirectory);
err = AudioFileOpen(&ref, fsRdPerm, 0, &mAudioFileID);
if (err) {
//NSLog(@"AudioFileOpen failed");
return false;
}
// 開いたファイルの基本情報を fileDescription へ
size = sizeof(AudioStreamBasicDescription);
err = AudioFileGetProperty(mAudioFileID, kAudioFilePropertyDataFormat,
&size, &fileDescription);
if (err) {
//NSLog(@"AudioFileGetProperty failed");
AudioFileClose(mAudioFileID);
return false;
}
// 開いたファイルのデータ部のバイト数を dataSize へ
size = sizeof(SInt64);
err = AudioFileGetProperty(mAudioFileID, kAudioFilePropertyAudioDataByteCount,
&size, &dataSize64);
if (err) {
//NSLog(@"AudioFileGetProperty failed");
AudioFileClose(mAudioFileID);
return false;
}
dataSize = static_cast<UInt32>(dataSize64);
AudioFileTypeID fileTypeID;
size = sizeof( AudioFileTypeID );
err = AudioFileGetProperty(mAudioFileID, kAudioFilePropertyFileFormat, &size, &fileTypeID);
if (err) {
//NSLog(@"AudioFileGetProperty failed");
AudioFileClose(mAudioFileID);
return false;
}
// Instrument情報を初期化
mInstData.basekey = 60;
mInstData.lowkey = 0;
mInstData.highkey = 127;
mInstData.loop = 0;
//ループポイントの取得
Float64 st_point=0.0,end_point=0.0;
if ( fileTypeID == kAudioFileAIFFType || fileTypeID == kAudioFileAIFCType ) {
//INSTチャンクの取得
AudioFileGetUserDataSize(mAudioFileID, 'INST', 0, &size);
if ( size > 4 ) {
UInt8 *instChunk = new UInt8[size];
AudioFileGetUserData(mAudioFileID, 'INST', 0, &size, instChunk);
//MIDI情報の取得
mInstData.basekey = instChunk[0];
mInstData.lowkey = instChunk[2];
mInstData.highkey = instChunk[3];
if ( instChunk[9] > 0 ) { //ループフラグを確認
//マーカーの取得
UInt32 writable;
err = AudioFileGetPropertyInfo(mAudioFileID, kAudioFilePropertyMarkerList,
&size, &writable);
if (err) {
//NSLog(@"AudioFileGetPropertyInfo failed");
AudioFileClose(mAudioFileID);
return NULL;
}
UInt8 *markersBuffer = new UInt8[size];
AudioFileMarkerList *markers = reinterpret_cast<AudioFileMarkerList*>(markersBuffer);
err = AudioFileGetProperty(mAudioFileID, kAudioFilePropertyMarkerList,
&size, markers);
if (err) {
//NSLog(@"AudioFileGetProperty failed");
AudioFileClose(mAudioFileID);
return NULL;
}
//ループポイントの設定
for (unsigned int i=0; i<markers->mNumberMarkers; i++) {
if (markers->mMarkers[i].mMarkerID == instChunk[11] ) {
st_point = markers->mMarkers[i].mFramePosition;
}
else if (markers->mMarkers[i].mMarkerID == instChunk[13] ) {
end_point = markers->mMarkers[i].mFramePosition;
}
CFRelease(markers->mMarkers[i].mName);
}
if ( st_point < end_point ) {
mInstData.loop = 1;
}
delete [] markersBuffer;
}
delete [] instChunk;
}
}
else if ( fileTypeID == kAudioFileWAVEType ) {
//smplチャンクの取得
AudioFileGetUserDataSize( mAudioFileID, 'smpl', 0, &size );
if ( size >= sizeof(WAV_smpl) ) {
UInt8 *smplChunk = new UInt8[size];
AudioFileGetUserData( mAudioFileID, 'smpl', 0, &size, smplChunk );
WAV_smpl *smpl = (WAV_smpl *)smplChunk;
smpl->loops = EndianU32_LtoN( smpl->loops );
if ( smpl->loops > 0 ) {
mInstData.loop = true;
mInstData.basekey = EndianU32_LtoN( smpl->note );
st_point = EndianU32_LtoN( smpl->start );
end_point = EndianU32_LtoN( smpl->end ) + 1; //SoundForge等では最終ポイントを含める解釈
//end_point = EndianU32_LtoN( smpl->end ); //PeakではなぜかAIFFと同じ
}
else {
mInstData.basekey = EndianU32_LtoN( smpl->note );
}
delete [] smplChunk;
}
}
//容量の制限
SInt64 dataSamples = dataSize / fileDescription.mBytesPerFrame;
if ( dataSamples > MAXIMUM_SAMPLES ) {
dataSize = MAXIMUM_SAMPLES * fileDescription.mBytesPerFrame;
}
if ( st_point > MAXIMUM_SAMPLES ) {
st_point = MAXIMUM_SAMPLES;
}
if ( end_point > MAXIMUM_SAMPLES ) {
end_point = MAXIMUM_SAMPLES;
}
// 波形一時読み込み用メモリを確保
char *fileBuffer;
unsigned int fileBufferSize;
if (mInstData.loop) {
fileBufferSize = dataSize+EXPAND_BUFFER*fileDescription.mBytesPerFrame;
}
else {
fileBufferSize = dataSize;
}
fileBuffer = new char[fileBufferSize];
memset(fileBuffer, 0, fileBufferSize);
// ファイルから波形データの読み込み
err = AudioFileReadBytes(mAudioFileID, false, 0, &dataSize, fileBuffer);
if (err) {
//NSLog(@"AudioFileReadBytes failed");
AudioFileClose(mAudioFileID);
delete [] fileBuffer;
return false;
}
AudioFileClose(mAudioFileID);
//ループを展開する
Float64 adjustment = 1.0;
outputFormat=fileDescription;
if (mInstData.loop) {
UInt32 plusalpha=0, framestocopy;
while (plusalpha < EXPAND_BUFFER) {
framestocopy =
(end_point-st_point)>(EXPAND_BUFFER-plusalpha)?(EXPAND_BUFFER-plusalpha):end_point-st_point;
memcpy(fileBuffer+((int)end_point+plusalpha)*fileDescription.mBytesPerFrame,
fileBuffer+(int)st_point*fileDescription.mBytesPerFrame,
framestocopy*fileDescription.mBytesPerFrame);
plusalpha += framestocopy;
}
dataSize += plusalpha*fileDescription.mBytesPerFrame;
//16サンプル境界にFIXする
adjustment = ( (long long)((end_point-st_point)/16) ) / ((end_point-st_point)/16.0);
st_point *= adjustment;
end_point *= adjustment;
}
outputFormat.mFormatID = kAudioFormatLinearPCM;
outputFormat.mFormatFlags = kAudioFormatFlagIsFloat | kAudioFormatFlagsNativeEndian;
outputFormat.mChannelsPerFrame = 1;
outputFormat.mBytesPerFrame = sizeof(float);
outputFormat.mBitsPerChannel = 32;
outputFormat.mBytesPerPacket = outputFormat.mBytesPerFrame;
// バイトオーダー変換用のコンバータを用意
AudioConverterRef converter;
err = AudioConverterNew(&fileDescription, &outputFormat, &converter);
if (err) {
//NSLog(@"AudioConverterNew failed");
delete [] fileBuffer;
return false;
}
//サンプリングレート変換の質を最高に設定
// if (fileDescription.mSampleRate != outputFormat.mSampleRate) {
// size = sizeof(UInt32);
// UInt32 setProp = kAudioConverterQuality_Max;
// AudioConverterSetProperty(converter, kAudioConverterSampleRateConverterQuality,
// size, &setProp);
//
// size = sizeof(UInt32);
// setProp = kAudioConverterSampleRateConverterComplexity_Mastering;
// AudioConverterSetProperty(converter, kAudioConverterSampleRateConverterComplexity,
// size, &setProp);
//
// }
//出力に必要十分なバッファサイズを得る
UInt32 outputSize = dataSize;
size = sizeof(UInt32);
err = AudioConverterGetProperty(converter, kAudioConverterPropertyCalculateOutputBufferSize,
&size, &outputSize);
if (err) {
//NSLog(@"AudioConverterGetProperty failed");
delete [] fileBuffer;
AudioConverterDispose(converter);
return false;
}
UInt32 monoSamples = outputSize/sizeof(float);
// バイトオーダー変換
float *monoData = new float[monoSamples];
AudioConverterConvertBuffer(converter, dataSize, fileBuffer,
&outputSize, monoData);
if(outputSize == 0) {
//NSLog(@"AudioConverterConvertBuffer failed");
delete [] fileBuffer;
AudioConverterDispose(converter);
return false;
}
//ループ長が16の倍数でない場合はサンプリングレート変換
Float64 inputSampleRate = fileDescription.mSampleRate;
Float64 outputSampleRate = fileDescription.mSampleRate * adjustment;
int outSamples = monoSamples;
if ( outputSampleRate == inputSampleRate ) {
m_pAudioData = new short[monoSamples];
for (int i=0; i<monoSamples; i++) {
m_pAudioData[i] = static_cast<short>(monoData[i] * 32768);
}
}
else {
outSamples = static_cast<int>(monoSamples / (inputSampleRate / outputSampleRate));
m_pAudioData = new short[outSamples];
resampling(monoData, monoSamples, inputSampleRate,
m_pAudioData, &outSamples, outputSampleRate);
}
// 後始末
delete [] monoData;
delete [] fileBuffer;
AudioConverterDispose(converter);
//Instデータの設定
if ( st_point > MAXIMUM_SAMPLES ) {
mInstData.lp = MAXIMUM_SAMPLES;
}
else {
mInstData.lp = st_point;
}
if ( end_point > MAXIMUM_SAMPLES ) {
mInstData.lp_end = MAXIMUM_SAMPLES;
}
else {
mInstData.lp_end = end_point;
}
mInstData.srcSamplerate = outputSampleRate;
mLoadedSamples = outSamples;
mIsLoaded = true;
return true;
#else
//Windowsのオーディオファイル読み込み処理
// ファイルを開く
HMMIO hmio = NULL;
MMRESULT err;
DWORD size;
hmio = mmioOpen( mPath, NULL, MMIO_READ );
if ( !hmio ) {
return false;
}
// RIFFチャンクを探す
MMCKINFO riffChunkInfo;
riffChunkInfo.fccType = mmioFOURCC('W', 'A', 'V', 'E');
err = mmioDescend( hmio, &riffChunkInfo, NULL, MMIO_FINDRIFF );
if ( err != MMSYSERR_NOERROR ) {
mmioClose( hmio, 0 );
return false;
}
if ( (riffChunkInfo.ckid != FOURCC_RIFF) || (riffChunkInfo.fccType != mmioFOURCC('W', 'A', 'V', 'E') ) ) {
mmioClose( hmio, 0 );
return false;
}
// フォーマットチャンクを探す
MMCKINFO formatChunkInfo;
formatChunkInfo.ckid = mmioFOURCC('f', 'm', 't', ' ');
err = mmioDescend( hmio, &formatChunkInfo, &riffChunkInfo, MMIO_FINDCHUNK );
if ( err != MMSYSERR_NOERROR ) {
mmioClose( hmio, 0 );
return false;
}
if ( formatChunkInfo.cksize < sizeof(PCMWAVEFORMAT) ) {
mmioClose( hmio, 0 );
return false;
}
//フォーマット情報を取得
WAVEFORMATEX pcmWaveFormat;
DWORD fmsize = (formatChunkInfo.cksize > sizeof(WAVEFORMATEX)) ? sizeof(WAVEFORMATEX):formatChunkInfo.cksize;
size = mmioRead( hmio, (HPSTR)&pcmWaveFormat, fmsize );
if ( size != fmsize ) {
mmioClose( hmio, 0 );
return false;
}
if ( pcmWaveFormat.wFormatTag != WAVE_FORMAT_PCM ) {
mmioClose( hmio, 0 );
return false;
}
mmioAscend(hmio, &formatChunkInfo, 0);
// Instrument情報を初期化
mInstData.basekey = 60;
mInstData.lowkey = 0;
mInstData.highkey = 127;
mInstData.loop = 0;
//smplチャンクを探す
MMCKINFO smplChunkInfo;
smplChunkInfo.ckid = mmioFOURCC('s', 'm', 'p', 'l');
err = mmioDescend( hmio, &smplChunkInfo, &riffChunkInfo, MMIO_FINDCHUNK );
if ( err != MMSYSERR_NOERROR ) {
smplChunkInfo.cksize = 0;
}
double st_point=0.0;
double end_point=0.0;
if ( smplChunkInfo.cksize >= sizeof(WAV_smpl) ) {
//ループポイントの取得
unsigned char *smplChunk = new unsigned char[smplChunkInfo.cksize];
size = mmioRead(hmio,(HPSTR)smplChunk, smplChunkInfo.cksize);
WAV_smpl *smpl = (WAV_smpl *)smplChunk;
if ( smpl->loops > 0 ) {
mInstData.loop = 1;
mInstData.basekey = smpl->note;
st_point = smpl->start;
end_point = smpl->end + 1; //SoundForge等では最終ポイントを含める解釈
}
else {
mInstData.basekey = smpl->note;
}
delete [] smplChunk;
}
mmioAscend(hmio, &formatChunkInfo, 0);
//dataチャンクを探す
MMCKINFO dataChunkInfo;
dataChunkInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
err = mmioDescend( hmio, &dataChunkInfo, &riffChunkInfo, MMIO_FINDCHUNK );
if( err != MMSYSERR_NOERROR ) {
mmioClose( hmio, 0 );
return false;
}
// 波形一時読み込み用メモリを確保
unsigned int dataSize = dataChunkInfo.cksize;
int bytesPerSample = pcmWaveFormat.nBlockAlign;
char *fileBuffer;
unsigned int fileBufferSize;
//容量制限
int dataSamples = dataSize / pcmWaveFormat.nBlockAlign;
if ( dataSamples > MAXIMUM_SAMPLES ) {
dataSize = MAXIMUM_SAMPLES * pcmWaveFormat.nBlockAlign;
}
if ( st_point > MAXIMUM_SAMPLES ) {
st_point = MAXIMUM_SAMPLES;
}
if ( end_point > MAXIMUM_SAMPLES ) {
end_point = MAXIMUM_SAMPLES;
}
if (mInstData.loop) {
fileBufferSize = dataSize+EXPAND_BUFFER*bytesPerSample;
}
else {
fileBufferSize = dataSize;
}
fileBuffer = new char[fileBufferSize];
memset(fileBuffer, 0, fileBufferSize);
// ファイルから波形データの読み込み
size = mmioRead(hmio, (HPSTR)fileBuffer, dataSize);
if ( size != dataSize ) {
mmioClose( hmio, 0 );
return false;
}
mmioClose(hmio,0);
//ループを展開する
double inputSampleRate = pcmWaveFormat.nSamplesPerSec;
double outputSampleRate = inputSampleRate;
if (mInstData.loop) {
unsigned int plusalpha=0;
double framestocopy;
while (plusalpha < EXPAND_BUFFER) {
framestocopy =
(end_point-st_point)>(EXPAND_BUFFER-plusalpha)?(EXPAND_BUFFER-plusalpha):end_point-st_point;
memcpy(fileBuffer+((int)end_point+plusalpha)*bytesPerSample,
fileBuffer+(int)st_point*bytesPerSample,
static_cast<size_t>(framestocopy*bytesPerSample));
plusalpha += static_cast<unsigned int>(framestocopy);
}
dataSize += plusalpha*bytesPerSample;
//16サンプル境界にFIXする
double adjustment = ( (long long)((end_point-st_point)/16) ) / ((end_point-st_point)/16.0);
outputSampleRate *= adjustment;
st_point *= adjustment;
end_point *= adjustment;
}
//一旦floatモノラルデータに変換
int bytesPerChannel = bytesPerSample / pcmWaveFormat.nChannels;
unsigned int inputPtr = 0;
unsigned int outputPtr = 0;
int monoSamples = dataSize / bytesPerSample;
float range = static_cast<float>((1<<(bytesPerChannel*8-1)) * pcmWaveFormat.nChannels);
float *monoData = new float[monoSamples];
while (inputPtr < dataSize) {
int frameSum = 0;
for (int ch=0; ch<pcmWaveFormat.nChannels; ch++) {
for (int i=0; i<bytesPerChannel; i++) {
if (i<bytesPerChannel-1) {
frameSum += (unsigned char)fileBuffer[inputPtr] << (8*i);
}
else {
frameSum += fileBuffer[inputPtr] << (8*i);
}
inputPtr++;
}
}
monoData[outputPtr] = frameSum / range;
outputPtr++;
}
//ループ長が16の倍数でない場合はサンプリングレート変換
int outSamples = monoSamples;
if ( outputSampleRate == inputSampleRate ) {
m_pAudioData = new short[monoSamples];
for (int i=0; i<monoSamples; i++) {
m_pAudioData[i] = static_cast<short>(monoData[i] * 32768);
}
}
else {
outSamples = static_cast<int>(monoSamples / (inputSampleRate / outputSampleRate));
m_pAudioData = new short[outSamples];
resampling(monoData, monoSamples, inputSampleRate,
m_pAudioData, &outSamples, outputSampleRate);
}
// 後始末
delete [] fileBuffer;
delete [] monoData;
//Instデータの設定
mInstData.lp = static_cast<int>(st_point);
mInstData.lp_end = static_cast<int>(end_point);
mInstData.srcSamplerate = outputSampleRate;
mLoadedSamples = outSamples;
mIsLoaded = true;
return true;
#endif
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ALUTAPI ALvoid ALUTAPIENTRY alutLoadWAVFile(ALbyte *file,ALenum *format,ALvoid **data,ALsizei *size,ALsizei *freq)
{
OSStatus err = noErr;
AudioFileID audioFile = 0;
FSRef fsRef;
*data = NULL; // in case of failure, do not return some unitialized value as a bogus address
if (IsRelativePath(file))
{
char absolutePath[256];
// we need to make a full path here so FSPathMakeRef() works properly
MakeAbsolutePath(file, absolutePath, 256);
// create an fsref from the file parameter
err = FSPathMakeRef ((const UInt8 *) absolutePath, &fsRef, NULL);
}
else
err = FSPathMakeRef ((const UInt8 *) file, &fsRef, NULL);
if (err == noErr)
{
err = AudioFileOpen(&fsRef, fsRdPerm, 0, &audioFile);
if (err == noErr)
{
UInt32 dataSize;
CAStreamBasicDescription asbd;
dataSize = sizeof(CAStreamBasicDescription);
AudioFileGetProperty(audioFile, kAudioFilePropertyDataFormat, &dataSize, &asbd);
*format = GetOALFormatFromASBD(asbd);
if (IsFormatSupported(*format))
{
*freq = (UInt32) asbd.mSampleRate;
SInt64 audioDataSize = 0;
dataSize = sizeof(audioDataSize);
err = AudioFileGetProperty(audioFile, kAudioFilePropertyAudioDataByteCount, &dataSize, &audioDataSize);
if (err == noErr)
{
*size = audioDataSize;
*data = NULL;
*data = calloc(1, audioDataSize);
if (*data)
{
dataSize = audioDataSize;
err = AudioFileReadBytes(audioFile, false, 0, &dataSize, *data);
if ((asbd.mFormatID == kAudioFormatLinearPCM) && (asbd.mBitsPerChannel > 8))
{
// we just got 16 bit pcm data out of a WAVE file on a big endian platform, so endian swap the data
AudioConverterRef converter;
CAStreamBasicDescription outFormat = asbd;
void * tempData = NULL;
// ste format to big endian
outFormat.mFormatFlags = kAudioFormatFlagIsBigEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
// make some place for converted data
tempData = calloc(1 , audioDataSize);
err = AudioConverterNew(&asbd, &outFormat, &converter);
if ((err == noErr) && (tempData != NULL))
{
UInt32 bufferSize = audioDataSize;
err = AudioConverterConvertBuffer(converter, audioDataSize, *data, &bufferSize, tempData);
if (err == noErr)
memcpy(*data, tempData, audioDataSize);
AudioConverterDispose(converter);
}
if (tempData) free (tempData);
}
}
}
}
err = AudioFileClose(audioFile);
}
}
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// This currently will only work for cbr formats
OSStatus OALBuffer::ConvertDataForBuffer(void *inData, UInt32 inDataSize, UInt32 inDataFormat, UInt32 inDataSampleRate)
{
#if LOG_VERBOSE
DebugMessageN5("OALBuffer::ConvertDataForBuffer() - OALBuffer:inData:inDataSize:inDataFormat:inDataSampleRate = %ld:%p:%ld:%ld:%ld", (long int) mSelfToken, inData, (long int) inDataSize, (long int) inDataFormat, (long int) inDataSampleRate);
#endif
OSStatus result = noErr;
try {
AudioConverterRef converter;
CAStreamBasicDescription destFormat;
UInt32 framesOfSource = 0;
if (inData == NULL)
throw ((OSStatus) AL_INVALID_OPERATION);
result = FillInASBD(mPreConvertedDataFormat, inDataFormat, inDataSampleRate);
THROW_RESULT
if (mPreConvertedDataFormat.NumberChannels() == 1)
mPreConvertedDataFormat.mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
destFormat.mChannelsPerFrame = mPreConvertedDataFormat.NumberChannels();
destFormat.mSampleRate = mPreConvertedDataFormat.mSampleRate;
destFormat.mFormatID = kAudioFormatLinearPCM;
if (mPreConvertedDataFormat.NumberChannels() == 1)
destFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kAudioFormatFlagIsNonInterleaved;
else
destFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked; // leave stereo data interleaved, and an AC will be used for deinterleaving later on
destFormat.mFramesPerPacket = 1;
destFormat.mBitsPerChannel = sizeof (Float32) * 8;
destFormat.mBytesPerPacket = sizeof (Float32) * destFormat.NumberChannels();
destFormat.mBytesPerFrame = sizeof (Float32) * destFormat.NumberChannels();
result = FillInASBD(mDataFormat, inDataFormat, UInt32(destFormat.mSampleRate));
THROW_RESULT
result = AudioConverterNew(&mPreConvertedDataFormat, &destFormat, &converter);
THROW_RESULT
framesOfSource = inDataSize / mPreConvertedDataFormat.mBytesPerFrame; // THIS ONLY WORKS FOR CBR FORMATS
UInt32 dataSize = framesOfSource * sizeof(Float32) * destFormat.NumberChannels();
mDataSize = (UInt32) dataSize;
if (mData != NULL)
{
if (mDataSize != dataSize)
{
mDataSize = dataSize;
void *newDataPtr = realloc(mData, mDataSize);
if (newDataPtr == NULL)
throw ((OSStatus) AL_INVALID_OPERATION);
mData = (UInt8 *) newDataPtr;
}
}
else
{
mDataSize = dataSize;
mData = (UInt8 *) malloc (mDataSize);
if (mData == NULL)
throw ((OSStatus) AL_INVALID_OPERATION);
}
if (mData != NULL)
{
result = AudioConverterConvertBuffer(converter, inDataSize, inData, &mDataSize, mData);
if (result == noErr)
{
mDataFormat.SetFrom(destFormat);
if (mPreConvertedDataFormat.NumberChannels() == 1)
mDataHasBeenConverted = true;
else
mDataHasBeenConverted = false;
}
}
AudioConverterDispose(converter);
}
catch (OSStatus result) {
return (result);
}
catch (...) {
result = (OSStatus) AL_INVALID_OPERATION;
}
return (result);
}
static void readCallback(void *aqData,
AudioQueueRef inAQ,
AudioQueueBufferRef inBuffer,
const AudioTimeStamp * inStartTime,
UInt32 inNumPackets,
const AudioStreamPacketDescription * inPacketDesc)
{
AQData *d = (AQData *) aqData;
OSStatus err;
mblk_t *rm = NULL;
UInt32 len =
(inBuffer->mAudioDataByteSize * d->readAudioFormat.mSampleRate /
1) / d->devicereadFormat.mSampleRate /
d->devicereadFormat.mChannelsPerFrame;
ms_mutex_lock(&d->mutex);
if (d->read_started == FALSE) {
ms_mutex_unlock(&d->mutex);
return;
}
rm = allocb(len, 0);
#if 0
err = AudioConverterConvertBuffer(d->readAudioConverter,
inBuffer->mAudioDataByteSize,
inBuffer->mAudioData,
&len, rm->b_wptr);
if (err != noErr) {
ms_error("readCallback: AudioConverterConvertBuffer %d", err);
ms_warning("readCallback: inBuffer->mAudioDataByteSize = %d",
inBuffer->mAudioDataByteSize);
ms_warning("readCallback: outlen = %d", len);
ms_warning("readCallback: origlen = %i",
(inBuffer->mAudioDataByteSize *
d->readAudioFormat.mSampleRate / 1) /
d->devicereadFormat.mSampleRate /
d->devicereadFormat.mChannelsPerFrame);
freeb(rm);
} else {
rm->b_wptr += len;
if (gain_volume_in != 1.0f)
{
int16_t *ptr=(int16_t *)rm->b_rptr;
for (;ptr<(int16_t *)rm->b_wptr;ptr++)
{
*ptr=(int16_t)(((float)(*ptr))*gain_volume_in);
}
}
putq(&d->rq, rm);
}
#else
memcpy(rm->b_wptr, inBuffer->mAudioData, len);
rm->b_wptr += len;
if (gain_volume_in != 1.0f)
{
int16_t *ptr=(int16_t *)rm->b_rptr;
for (;ptr<(int16_t *)rm->b_wptr;ptr++)
{
*ptr=(int16_t)(((float)(*ptr))*gain_volume_in);
}
}
putq(&d->rq, rm);
#endif
err = AudioQueueEnqueueBuffer(d->readQueue, inBuffer, 0, NULL);
if (err != noErr) {
ms_error("readCallback:AudioQueueEnqueueBuffer %d", err);
}
ms_mutex_unlock(&d->mutex);
}