AudioChannelLayout * CreateDefaultAudioChannelLayout(UInt32 channelsPerFrame)
{
assert(0 < channelsPerFrame);
AudioChannelLayout *channelLayout = nullptr;
switch(channelsPerFrame) {
case 1: channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Mono); break;
case 2: channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo); break;
case 4: channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Quadraphonic); break;
case 6: channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_MPEG_5_1_A); break;
case 8: channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_MPEG_7_1_A); break;
default:
channelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Unknown | channelsPerFrame);
break;
}
return channelLayout;
}
bool OggSpeexDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
LOGGER_WARNING("org.sbooth.AudioEngine.AudioDecoder.OggSpeex", "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
// Initialize Ogg data struct
ogg_sync_init(&mOggSyncState);
// Get the ogg buffer for writing
char *data = ogg_sync_buffer(&mOggSyncState, READ_SIZE_BYTES);
// Read bitstream from input file
ssize_t bytesRead = GetInputSource()->Read(data, READ_SIZE_BYTES);
if(-1 == bytesRead) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” could not be read."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Read error"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("Unable to read from the input file."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
// Tell the sync layer how many bytes were written to its internal buffer
int result = ogg_sync_wrote(&mOggSyncState, bytesRead);
if(-1 == result) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” does not appear to be an Ogg file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an Ogg file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
// Turn the data we wrote into an ogg page
result = ogg_sync_pageout(&mOggSyncState, &mOggPage);
if(1 != result) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” does not appear to be an Ogg file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an Ogg file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
// Initialize the stream and grab the serial number
ogg_stream_init(&mOggStreamState, ogg_page_serialno(&mOggPage));
// Get the first Ogg page
result = ogg_stream_pagein(&mOggStreamState, &mOggPage);
if(0 != result) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” does not appear to be an Ogg file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an Ogg file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
// Get the first packet (should be the header) from the page
ogg_packet op;
result = ogg_stream_packetout(&mOggStreamState, &op);
if(1 != result) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” does not appear to be an Ogg file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an Ogg file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
if(op.bytes >= 5 && !memcmp(op.packet, "Speex", 5))
mSpeexSerialNumber = mOggStreamState.serialno;
++mOggPacketCount;
// Convert the packet to the Speex header
SpeexHeader *header = speex_packet_to_header((char *)op.packet, static_cast<int>(op.bytes));
if(NULL == header) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” does not appear to be an Ogg Speex file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an Ogg Speex file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
ogg_sync_destroy(&mOggSyncState);
return false;
}
else if(SPEEX_NB_MODES <= header->mode) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The Speex mode in the file “%@” is not supported."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Unsupported Ogg Speex file mode"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("This file may have been encoded with a newer version of Speex."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotSupportedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
speex_header_free(header), header = NULL;
ogg_sync_destroy(&mOggSyncState);
return false;
}
const SpeexMode *mode = speex_lib_get_mode(header->mode);
if(mode->bitstream_version != header->mode_bitstream_version) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The Speex version in the file “%@” is not supported."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Unsupported Ogg Speex file version"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("This file was encoded with a different version of Speex."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderFileFormatNotSupportedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
speex_header_free(header), header = NULL;
ogg_sync_destroy(&mOggSyncState);
return false;
}
// Initialize the decoder
mSpeexDecoder = speex_decoder_init(mode);
if(NULL== mSpeexDecoder) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
CFCopyLocalizedString(CFSTR("Unable to initialize the Speex decoder."), ""));
// CFDictionarySetValue(errorDictionary,
// kCFErrorLocalizedFailureReasonKey,
// CFCopyLocalizedString(CFSTR("Unsupported Ogg Speex file version"), ""));
// CFDictionarySetValue(errorDictionary,
// kCFErrorLocalizedRecoverySuggestionKey,
// CFCopyLocalizedString(CFSTR("This file was encoded with a different version of Speex."), ""));
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
speex_header_free(header), header = NULL;
ogg_sync_destroy(&mOggSyncState);
return false;
}
speex_decoder_ctl(mSpeexDecoder, SPEEX_SET_SAMPLING_RATE, &header->rate);
mSpeexFramesPerOggPacket = (0 == header->frames_per_packet ? 1 : header->frames_per_packet);
mExtraSpeexHeaderCount = header->extra_headers;
// Initialize the speex bit-packing data structure
speex_bits_init(&mSpeexBits);
// Initialize the stereo mode
mSpeexStereoState = speex_stereo_state_init();
if(2 == header->nb_channels) {
SpeexCallback callback;
callback.callback_id = SPEEX_INBAND_STEREO;
callback.func = speex_std_stereo_request_handler;
callback.data = mSpeexStereoState;
speex_decoder_ctl(mSpeexDecoder, SPEEX_SET_HANDLER, &callback);
}
// Canonical Core Audio format
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kAudioFormatFlagIsNonInterleaved;
mFormat.mBitsPerChannel = 8 * sizeof(float);
mFormat.mSampleRate = header->rate;
mFormat.mChannelsPerFrame = header->nb_channels;
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8);
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Set up the source format
mSourceFormat.mFormatID = 'SPEE';
mSourceFormat.mSampleRate = header->rate;
mSourceFormat.mChannelsPerFrame = header->nb_channels;
switch(header->nb_channels) {
case 1: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Mono); break;
case 2: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo); break;
}
speex_header_free(header), header = NULL;
// Allocate the buffer list
spx_int32_t speexFrameSize = 0;
speex_decoder_ctl(mSpeexDecoder, SPEEX_GET_FRAME_SIZE, &speexFrameSize);
mBufferList = AllocateABL(mFormat, speexFrameSize);
if(NULL == mBufferList) {
if(error)
*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, ENOMEM, NULL);
speex_header_free(header), header = NULL;
speex_stereo_state_destroy(mSpeexStereoState), mSpeexStereoState = NULL;
speex_decoder_destroy(mSpeexDecoder), mSpeexDecoder = NULL;
speex_bits_destroy(&mSpeexBits);
ogg_sync_destroy(&mOggSyncState);
return false;
}
for(UInt32 i = 0; i < mBufferList->mNumberBuffers; ++i)
mBufferList->mBuffers[i].mDataByteSize = 0;
mIsOpen = true;
return true;
}
bool MonkeysAudioDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
LOGGER_WARNING("org.sbooth.AudioEngine.AudioDecoder.MonkeysAudio", "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
mIOInterface = new APEIOInterface(GetInputSource());
int errorCode;
mDecompressor = CreateIAPEDecompressEx(mIOInterface, &errorCode);
if(nullptr == mDecompressor) {
if(error) {
CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Monkey's Audio file."), "");
CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a Monkey's Audio file"), "");
CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
*error = CreateErrorForURL(AudioDecoderErrorDomain, AudioDecoderInputOutputError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
CFRelease(description), description = nullptr;
CFRelease(failureReason), failureReason = nullptr;
CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
}
return false;
}
// The file format
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;
mFormat.mBitsPerChannel = static_cast<UInt32>(mDecompressor->GetInfo(APE_INFO_BITS_PER_SAMPLE));
mFormat.mSampleRate = mDecompressor->GetInfo(APE_INFO_SAMPLE_RATE);
mFormat.mChannelsPerFrame = static_cast<UInt32>(mDecompressor->GetInfo(APE_INFO_CHANNELS));
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8) * mFormat.mChannelsPerFrame;
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Set up the source format
mSourceFormat.mFormatID = 'APE ';
mSourceFormat.mSampleRate = mFormat.mSampleRate;
mSourceFormat.mChannelsPerFrame = mFormat.mChannelsPerFrame;
switch(mFormat.mChannelsPerFrame) {
case 1: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Mono); break;
case 2: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo); break;
case 4: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Quadraphonic); break;
}
mIsOpen = true;
return true;
}
bool TrueAudioDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
LOGGER_WARNING("org.sbooth.AudioEngine.AudioDecoder.TrueAudio", "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
mCallbacks = new TTA_io_callback_wrapper;
mCallbacks->iocb.read = read_callback;
mCallbacks->iocb.write = nullptr;
mCallbacks->iocb.seek = seek_callback;
mCallbacks->decoder = this;
TTA_info streamInfo;
try {
mDecoder = new tta::tta_decoder((TTA_io_callback *)mCallbacks);
mDecoder->init_get_info(&streamInfo, 0);
}
catch(tta::tta_exception e) {
LOGGER_WARNING("org.sbooth.AudioEngine.AudioDecoder.TrueAudio", "Error creating True Audio decoder: " << e.code());
if(mDecoder)
delete mDecoder, mDecoder = nullptr;
}
if(nullptr == mDecoder) {
if(error) {
CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid True Audio file."), "");
CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a True Audio file"), "");
CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
*error = CreateErrorForURL(AudioDecoderErrorDomain, AudioDecoderInputOutputError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
CFRelease(description), description = nullptr;
CFRelease(failureReason), failureReason = nullptr;
CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
}
return false;
}
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger;
mFormat.mSampleRate = streamInfo.sps;
mFormat.mChannelsPerFrame = streamInfo.nch;
mFormat.mBitsPerChannel = streamInfo.bps;
mFormat.mBytesPerPacket = ((streamInfo.bps + 7) / 8) * mFormat.mChannelsPerFrame;
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Support 4 to 32 bits per sample (True Audio may support more or less, but the documentation didn't say)
switch(mFormat.mBitsPerChannel) {
case 8:
case 16:
case 24:
case 32:
mFormat.mFormatFlags |= kAudioFormatFlagIsPacked;
break;
case 4 ... 7:
case 9 ... 15:
case 17 ... 23:
case 25 ... 31:
// Align high because Apple's AudioConverter doesn't handle low alignment
mFormat.mFormatFlags |= kAudioFormatFlagIsAlignedHigh;
break;
default:
{
LOGGER_ERR("org.sbooth.AudioEngine.AudioDecoder.TrueAudio", "Unsupported bit depth: " << mFormat.mBitsPerChannel)
if(error) {
CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a supported True Audio file."), "");
CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Bit depth not supported"), "");
CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's bit depth is not supported."), "");
*error = CreateErrorForURL(AudioDecoderErrorDomain, AudioDecoderFileFormatNotSupportedError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
CFRelease(description), description = nullptr;
CFRelease(failureReason), failureReason = nullptr;
CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
}
delete mDecoder, mDecoder = nullptr;
delete mCallbacks, mCallbacks = nullptr;
return false;
}
}
// Set up the source format
mSourceFormat.mFormatID = 'TTA ';
mSourceFormat.mSampleRate = streamInfo.sps;
mSourceFormat.mChannelsPerFrame = streamInfo.nch;
mSourceFormat.mBitsPerChannel = streamInfo.bps;
// Setup the channel layout
mChannelLayout = CreateChannelLayoutWithTag(streamInfo.nch);
mTotalFrames = streamInfo.samples;
mIsOpen = true;
return true;
}
bool MODDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioDecoder.MOD");
LOG4CXX_WARN(logger, "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
dfs.open = NULL;
dfs.skip = skip_callback;
dfs.getc = getc_callback;
dfs.getnc = getnc_callback;
dfs.close = close_callback;
df = dumbfile_open_ex(this, &dfs);
if(NULL == df) {
return false;
}
CFStringRef fileSystemPath = CFURLCopyFileSystemPath(GetURL(), kCFURLPOSIXPathStyle);
CFStringRef extension = NULL;
CFRange range;
if(CFStringFindWithOptionsAndLocale(fileSystemPath, CFSTR("."), CFRangeMake(0, CFStringGetLength(fileSystemPath)), kCFCompareBackwards, CFLocaleGetSystem(), &range)) {
extension = CFStringCreateWithSubstring(kCFAllocatorDefault, fileSystemPath, CFRangeMake(range.location + 1, CFStringGetLength(fileSystemPath) - range.location - 1));
}
CFRelease(fileSystemPath), fileSystemPath = NULL;
if(NULL == extension) {
return false;
}
// Attempt to create the appropriate decoder based on the file's extension
if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("it"), kCFCompareCaseInsensitive))
duh = dumb_read_it(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("xm"), kCFCompareCaseInsensitive))
duh = dumb_read_xm(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("s3m"), kCFCompareCaseInsensitive))
duh = dumb_read_s3m(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("mod"), kCFCompareCaseInsensitive))
duh = dumb_read_mod(df);
CFRelease(extension), extension = NULL;
if(NULL == duh) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a MOD file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
if(df)
dumbfile_close(df), df = NULL;
return false;
}
mTotalFrames = duh_get_length(duh);
dsr = duh_start_sigrenderer(duh, 0, 2, 0);
if(NULL == dsr) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a MOD file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
if(df)
dumbfile_close(df), df = NULL;
if(duh)
unload_duh(duh), duh = NULL;
return false;
}
// Generate interleaved 2 channel 44.1 16-bit output
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
mFormat.mSampleRate = DUMB_SAMPLE_RATE;
mFormat.mChannelsPerFrame = DUMB_CHANNELS;
mFormat.mBitsPerChannel = DUMB_BIT_DEPTH;
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8) * mFormat.mChannelsPerFrame;
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Set up the source format
mSourceFormat.mFormatID = 'MOD ';
mSourceFormat.mSampleRate = DUMB_SAMPLE_RATE;
mSourceFormat.mChannelsPerFrame = DUMB_CHANNELS;
// Setup the channel layout
mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo);
mIsOpen = true;
return true;
}
bool WavPackDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
LOGGER_WARNING("org.sbooth.AudioEngine.AudioDecoder.WavPack", "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
mStreamReader.read_bytes = read_bytes_callback;
mStreamReader.get_pos = get_pos_callback;
mStreamReader.set_pos_abs = set_pos_abs_callback;
mStreamReader.set_pos_rel = set_pos_rel_callback;
mStreamReader.push_back_byte = push_back_byte_callback;
mStreamReader.get_length = get_length_callback;
mStreamReader.can_seek = can_seek_callback;
char errorBuf [80];
// Setup converter
mWPC = WavpackOpenFileInputEx(&mStreamReader, this, nullptr, errorBuf, OPEN_WVC | OPEN_NORMALIZE, 0);
if(nullptr == mWPC) {
if(error) {
CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid WavPack file."), "");
CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a WavPack file"), "");
CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
*error = CreateErrorForURL(AudioDecoderErrorDomain, AudioDecoderInputOutputError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
CFRelease(description), description = nullptr;
CFRelease(failureReason), failureReason = nullptr;
CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
}
return false;
}
// Floating-point and lossy files will be handed off in the canonical Core Audio format
int mode = WavpackGetMode(mWPC);
if(MODE_FLOAT & mode || !(MODE_LOSSLESS & mode)) {
// Canonical Core Audio format
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kAudioFormatFlagIsNonInterleaved;
mFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mFormat.mBitsPerChannel = 8 * sizeof(float);
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8);
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
}
else {
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsNonInterleaved;
// Don't set kAudioFormatFlagIsAlignedHigh for 32-bit integer files
mFormat.mFormatFlags |= (32 == WavpackGetBitsPerSample(mWPC) ? kAudioFormatFlagIsPacked : kAudioFormatFlagIsAlignedHigh);
mFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mFormat.mBitsPerChannel = WavpackGetBitsPerSample(mWPC);
mFormat.mBytesPerPacket = sizeof(int32_t);
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
}
mTotalFrames = WavpackGetNumSamples(mWPC);
// Set up the source format
mSourceFormat.mFormatID = 'WVPK';
mSourceFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mSourceFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mSourceFormat.mBitsPerChannel = WavpackGetBitsPerSample(mWPC);
// Setup the channel layout
switch(mFormat.mChannelsPerFrame) {
case 1: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Mono); break;
case 2: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo); break;
case 4: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Quadraphonic); break;
}
mBuffer = static_cast<int32_t *>(calloc(BUFFER_SIZE_FRAMES * mFormat.mChannelsPerFrame, sizeof(int32_t)));
if(nullptr == mBuffer) {
if(error)
*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, ENOMEM, nullptr);
return false;
}
mIsOpen = true;
return true;
}
bool WavPackDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioDecoder.WavPack");
LOG4CXX_WARN(logger, "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
mStreamReader.read_bytes = read_bytes_callback;
mStreamReader.get_pos = get_pos_callback;
mStreamReader.set_pos_abs = set_pos_abs_callback;
mStreamReader.set_pos_rel = set_pos_rel_callback;
mStreamReader.push_back_byte = push_back_byte_callback;
mStreamReader.get_length = get_length_callback;
mStreamReader.can_seek = can_seek_callback;
char errorBuf [80];
// Setup converter
mWPC = WavpackOpenFileInputEx(&mStreamReader, this, NULL, errorBuf, OPEN_WVC | OPEN_NORMALIZE, 0);
if(NULL == mWPC) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid WavPack file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a WavPack file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
// Floating-point and lossy files will be handed off in the canonical Core Audio format
int mode = WavpackGetMode(mWPC);
if(MODE_FLOAT & mode || !(MODE_LOSSLESS & mode)) {
// Canonical Core Audio format
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kAudioFormatFlagIsNonInterleaved;
mFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mFormat.mBitsPerChannel = 8 * sizeof(float);
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8);
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
}
else {
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsAlignedHigh | kAudioFormatFlagIsNonInterleaved;
mFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mFormat.mBitsPerChannel = WavpackGetBitsPerSample(mWPC);
mFormat.mBytesPerPacket = sizeof(int32_t);
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
}
mTotalFrames = WavpackGetNumSamples(mWPC);
// Set up the source format
mSourceFormat.mFormatID = 'WVPK';
mSourceFormat.mSampleRate = WavpackGetSampleRate(mWPC);
mSourceFormat.mChannelsPerFrame = WavpackGetNumChannels(mWPC);
mSourceFormat.mBitsPerChannel = WavpackGetBitsPerSample(mWPC);
// Setup the channel layout
switch(mFormat.mChannelsPerFrame) {
case 1: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Mono); break;
case 2: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo); break;
case 4: mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Quadraphonic); break;
}
mBuffer = static_cast<int32_t *>(calloc(BUFFER_SIZE_FRAMES * mFormat.mChannelsPerFrame, sizeof(int32_t)));
if(NULL == mBuffer) {
if(error)
*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, ENOMEM, NULL);
return false;
}
mIsOpen = true;
return true;
}
