CFErrorRef SFB::CreateErrorForURL(CFStringRef domain, CFIndex code, CFStringRef descriptionFormatStringForURL, CFURLRef url, CFStringRef failureReason, CFStringRef recoverySuggestion)
{
if(nullptr == domain)
return nullptr;
SFB::CFMutableDictionary errorDictionary(0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if(!errorDictionary)
return nullptr;
if(descriptionFormatStringForURL && url) {
CFDictionarySetValue(errorDictionary, kCFErrorURLKey, url);
SFB::CFString displayName(CreateDisplayNameForURL(url));
if(displayName) {
SFB::CFString description(nullptr, descriptionFormatStringForURL, displayName.Object());
if(description)
CFDictionarySetValue(errorDictionary, kCFErrorLocalizedDescriptionKey, description);
}
}
if(failureReason)
CFDictionarySetValue(errorDictionary, kCFErrorLocalizedFailureReasonKey, failureReason);
if(recoverySuggestion)
CFDictionarySetValue(errorDictionary, kCFErrorLocalizedRecoverySuggestionKey, recoverySuggestion);
return CFErrorCreate(kCFAllocatorDefault, domain, code, errorDictionary);
}
bool MonkeysAudioMetadata::ReadMetadata(CFErrorRef *error)
{
// Start from scratch
CFDictionaryRemoveAllValues(mMetadata);
CFDictionaryRemoveAllValues(mChangedMetadata);
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
return false;
TagLib::IOStream *stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
TagLib::APE::File file(stream);
if(!file.isValid()) {
if(NULL != error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Monkey's Audio file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a Monkey's Audio 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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("Monkey's Audio"));
if(file.audioProperties()) {
AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());
if(0 != file.audioProperties()->bitsPerSample()) {
int value = file.audioProperties()->bitsPerSample();
CFNumberRef bitsPerChannel = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &value);
CFDictionarySetValue(mMetadata, kPropertiesBitsPerChannelKey, bitsPerChannel);
CFRelease(bitsPerChannel), bitsPerChannel = NULL;
}
}
if(file.ID3v1Tag())
AddID3v1TagToDictionary(mMetadata, file.ID3v1Tag());
if(file.APETag())
AddAPETagToDictionary(mMetadata, file.APETag());
return true;
}
bool MonkeysAudioMetadata::WriteMetadata(CFErrorRef *error)
{
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
return false;
TagLib::IOStream *stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf));
TagLib::APE::File file(stream, false);
if(!file.isValid()) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Mpnkey's Audio file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a Mpnkey's Audio 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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
// Although both ID3v1 and APE tags are read, only APE tags are written
if(file.APETag())
SetAPETagFromMetadata(*this, file.APETag());
if(!file.save()) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Mpnkey's Audio file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Unable to write metadata"), ""));
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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
MergeChangedMetadataIntoMetadata();
return true;
}
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 FLACMetadata::WriteMetadata(CFErrorRef *error)
{
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
return false;
FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
// ENOMEM sux
if(NULL == chain)
return false;
if(!FLAC__metadata_chain_read(chain, reinterpret_cast<const char *>(buf))) {
// Attempt to provide a descriptive error message
if(NULL != error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
switch(FLAC__metadata_chain_status(chain)) {
case FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC 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;
break;
}
case FLAC__METADATA_CHAIN_STATUS_BAD_METADATA:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file contains bad metadata."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
break;
}
default:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC 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;
break;
}
}
*error = CFErrorCreate(kCFAllocatorDefault,
AudioMetadataErrorDomain,
AudioMetadataFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
FLAC__metadata_chain_delete(chain), chain = NULL;
return false;
}
FLAC__metadata_chain_sort_padding(chain);
FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
if(NULL == iterator) {
FLAC__metadata_chain_delete(chain), chain = NULL;
return false;
}
FLAC__metadata_iterator_init(iterator, chain);
// Seek to the vorbis comment block if it exists
while(FLAC__METADATA_TYPE_VORBIS_COMMENT != FLAC__metadata_iterator_get_block_type(iterator)) {
if(!FLAC__metadata_iterator_next(iterator))
break; // Already at end
}
FLAC__StreamMetadata *block = NULL;
// If there isn't a vorbis comment block add one
if(FLAC__METADATA_TYPE_VORBIS_COMMENT != FLAC__metadata_iterator_get_block_type(iterator)) {
// The padding block will be the last block if it exists; add the comment block before it
if(FLAC__METADATA_TYPE_PADDING == FLAC__metadata_iterator_get_block_type(iterator))
FLAC__metadata_iterator_prev(iterator);
block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
if(NULL == block) {
FLAC__metadata_chain_delete(chain), chain = NULL;
FLAC__metadata_iterator_delete(iterator), iterator = NULL;
return false;
}
// Add our metadata
if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) {
if(NULL != error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Unable to write metadata"), ""));
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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
FLAC__metadata_chain_delete(chain), chain = NULL;
FLAC__metadata_iterator_delete(iterator), iterator = NULL;
return false;
}
}
else
block = FLAC__metadata_iterator_get_block(iterator);
// Standard tags
SetVorbisComment(block, "ALBUM", GetAlbumTitle());
SetVorbisComment(block, "ARTIST", GetArtist());
SetVorbisComment(block, "ALBUMARTIST", GetAlbumArtist());
SetVorbisComment(block, "COMPOSER", GetComposer());
SetVorbisComment(block, "GENRE", GetGenre());
SetVorbisComment(block, "DATE", GetReleaseDate());
SetVorbisComment(block, "DESCRIPTION", GetComment());
SetVorbisComment(block, "TITLE", GetTitle());
SetVorbisCommentNumber(block, "TRACKNUMBER", GetTrackNumber());
SetVorbisCommentNumber(block, "TRACKTOTAL", GetTrackTotal());
SetVorbisCommentBoolean(block, "COMPILATION", GetCompilation());
SetVorbisCommentNumber(block, "DISCNUMBER", GetDiscNumber());
SetVorbisCommentNumber(block, "DISCTOTAL", GetDiscTotal());
SetVorbisComment(block, "ISRC", GetISRC());
SetVorbisComment(block, "MCN", GetMCN());
// Additional metadata
CFDictionaryRef additionalMetadata = GetAdditionalMetadata();
if(NULL != additionalMetadata) {
CFIndex count = CFDictionaryGetCount(additionalMetadata);
const void * keys [count];
const void * values [count];
CFDictionaryGetKeysAndValues(additionalMetadata,
reinterpret_cast<const void **>(keys),
reinterpret_cast<const void **>(values));
for(CFIndex i = 0; i < count; ++i) {
CFIndex keySize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(reinterpret_cast<CFStringRef>(keys[i])), kCFStringEncodingASCII);
char key [keySize + 1];
if(!CFStringGetCString(reinterpret_cast<CFStringRef>(keys[i]), key, keySize + 1, kCFStringEncodingASCII)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.FLAC");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
continue;
}
SetVorbisComment(block, key, reinterpret_cast<CFStringRef>(values[i]));
}
}
// ReplayGain info
SetVorbisCommentDouble(block, "REPLAYGAIN_REFERENCE_LOUDNESS", GetReplayGainReferenceLoudness(), CFSTR("%2.1f dB"));
SetVorbisCommentDouble(block, "REPLAYGAIN_TRACK_GAIN", GetReplayGainReferenceLoudness(), CFSTR("%+2.2f dB"));
SetVorbisCommentDouble(block, "REPLAYGAIN_TRACK_PEAK", GetReplayGainTrackGain(), CFSTR("%1.8f"));
SetVorbisCommentDouble(block, "REPLAYGAIN_ALBUM_GAIN", GetReplayGainAlbumGain(), CFSTR("%+2.2f dB"));
SetVorbisCommentDouble(block, "REPLAYGAIN_ALBUM_PEAK", GetReplayGainAlbumPeak(), CFSTR("%1.8f"));
// Write the new metadata to the file
if(!FLAC__metadata_chain_write(chain, true, false)) {
if(NULL != error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Unable to write metadata"), ""));
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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
FLAC__metadata_chain_delete(chain), chain = NULL;
FLAC__metadata_iterator_delete(iterator), iterator = NULL;
return false;
}
FLAC__metadata_chain_delete(chain), chain = NULL;
FLAC__metadata_iterator_delete(iterator), iterator = NULL;
MergeChangedMetadataIntoMetadata();
return true;
}
bool FLACMetadata::ReadMetadata(CFErrorRef *error)
{
// Start from scratch
CFDictionaryRemoveAllValues(mMetadata);
CFDictionaryRemoveAllValues(mChangedMetadata);
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
return false;
FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
// ENOMEM sux
if(NULL == chain)
return false;
if(!FLAC__metadata_chain_read(chain, reinterpret_cast<const char *>(buf))) {
// Attempt to provide a descriptive error message
if(NULL != error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
switch(FLAC__metadata_chain_status(chain)) {
case FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC 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;
break;
}
case FLAC__METADATA_CHAIN_STATUS_BAD_METADATA:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file contains bad metadata."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
break;
}
default:
{
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a FLAC 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;
break;
}
}
*error = CFErrorCreate(kCFAllocatorDefault,
AudioMetadataErrorDomain,
AudioMetadataFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
FLAC__metadata_chain_delete(chain), chain = NULL;
return false;
}
FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
if(NULL == iterator) {
FLAC__metadata_chain_delete(chain), chain = NULL;
return false;
}
CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("FLAC"));
FLAC__metadata_iterator_init(iterator, chain);
FLAC__StreamMetadata *block = NULL;
CFMutableDictionaryRef additionalMetadata = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
do {
block = FLAC__metadata_iterator_get_block(iterator);
if(NULL == block)
break;
switch(block->type) {
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
for(unsigned i = 0; i < block->data.vorbis_comment.num_comments; ++i) {
char *fieldName = NULL;
char *fieldValue = NULL;
// Let FLAC parse the comment for us
if(!FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(block->data.vorbis_comment.comments[i], &fieldName, &fieldValue)) {
// Ignore malformed comments
continue;
}
CFStringRef key = CFStringCreateWithBytesNoCopy(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(fieldName),
strlen(fieldName),
kCFStringEncodingASCII,
false,
kCFAllocatorMalloc);
CFStringRef value = CFStringCreateWithBytesNoCopy(kCFAllocatorDefault,
reinterpret_cast<const UInt8 *>(fieldValue),
strlen(fieldValue),
kCFStringEncodingUTF8,
false,
kCFAllocatorMalloc);
if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUM"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataAlbumTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataAlbumArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPOSER"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataComposerKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("GENRE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataGenreKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DATE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataReleaseDateKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DESCRIPTION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataCommentKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TITLE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKNUMBER"), kCFCompareCaseInsensitive)) {
int num = CFStringGetIntValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &num);
CFDictionarySetValue(mMetadata, kMetadataTrackNumberKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKTOTAL"), kCFCompareCaseInsensitive)) {
int num = CFStringGetIntValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &num);
CFDictionarySetValue(mMetadata, kMetadataTrackTotalKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPILATION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataCompilationKey, CFStringGetIntValue(value) ? kCFBooleanTrue : kCFBooleanFalse);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCNUMBER"), kCFCompareCaseInsensitive)) {
int num = CFStringGetIntValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &num);
CFDictionarySetValue(mMetadata, kMetadataDiscNumberKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCTOTAL"), kCFCompareCaseInsensitive)) {
int num = CFStringGetIntValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &num);
CFDictionarySetValue(mMetadata, kMetadataDiscTotalKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ISRC"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataISRCKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MCN"), kCFCompareCaseInsensitive))
CFDictionarySetValue(mMetadata, kMetadataMCNKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_REFERENCE_LOUDNESS"), kCFCompareCaseInsensitive)) {
double num = CFStringGetDoubleValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &num);
CFDictionarySetValue(mMetadata, kReplayGainReferenceLoudnessKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_GAIN"), kCFCompareCaseInsensitive)) {
double num = CFStringGetDoubleValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &num);
CFDictionarySetValue(mMetadata, kReplayGainTrackGainKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_PEAK"), kCFCompareCaseInsensitive)) {
double num = CFStringGetDoubleValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &num);
CFDictionarySetValue(mMetadata, kReplayGainTrackPeakKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_GAIN"), kCFCompareCaseInsensitive)) {
double num = CFStringGetDoubleValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &num);
CFDictionarySetValue(mMetadata, kReplayGainAlbumGainKey, number);
CFRelease(number), number = NULL;
}
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_PEAK"), kCFCompareCaseInsensitive)) {
double num = CFStringGetDoubleValue(value);
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &num);
CFDictionarySetValue(mMetadata, kReplayGainAlbumPeakKey, number);
CFRelease(number), number = NULL;
}
// Put all unknown tags into the additional metadata
else
CFDictionarySetValue(additionalMetadata, key, value);
CFRelease(key), key = NULL;
CFRelease(value), value = NULL;
fieldName = NULL;
fieldValue = NULL;
}
break;
case FLAC__METADATA_TYPE_PICTURE:
{
CFDataRef data = CFDataCreate(kCFAllocatorDefault, block->data.picture.data, block->data.picture.data_length);
CFDictionarySetValue(mMetadata, kAlbumArtFrontCoverKey, data);
CFRelease(data), data = NULL;
}
break;
case FLAC__METADATA_TYPE_STREAMINFO:
{
CFNumberRef sampleRate = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &block->data.stream_info.sample_rate);
CFDictionarySetValue(mMetadata, kPropertiesSampleRateKey, sampleRate);
CFRelease(sampleRate), sampleRate = NULL;
CFNumberRef channelsPerFrame = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &block->data.stream_info.channels);
CFDictionarySetValue(mMetadata, kPropertiesChannelsPerFrameKey, channelsPerFrame);
CFRelease(channelsPerFrame), channelsPerFrame = NULL;
CFNumberRef bitsPerChannel = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &block->data.stream_info.bits_per_sample);
CFDictionarySetValue(mMetadata, kPropertiesBitsPerChannelKey, bitsPerChannel);
CFRelease(bitsPerChannel), bitsPerChannel = NULL;
CFNumberRef totalFrames = CFNumberCreate(kCFAllocatorDefault, kCFNumberLongLongType, &block->data.stream_info.total_samples);
CFDictionarySetValue(mMetadata, kPropertiesTotalFramesKey, totalFrames);
CFRelease(totalFrames), totalFrames = NULL;
double length = static_cast<double>(block->data.stream_info.total_samples / block->data.stream_info.sample_rate);
CFNumberRef duration = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &length);
CFDictionarySetValue(mMetadata, kPropertiesDurationKey, duration);
CFRelease(duration), duration = NULL;
double losslessBitrate = static_cast<double>(block->data.stream_info.sample_rate * block->data.stream_info.channels * block->data.stream_info.bits_per_sample) / 1000;
CFNumberRef bitrate = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &losslessBitrate);
CFDictionarySetValue(mMetadata, kPropertiesBitrateKey, bitrate);
CFRelease(bitrate), bitrate = NULL;
}
break;
case FLAC__METADATA_TYPE_PADDING: break;
case FLAC__METADATA_TYPE_APPLICATION: break;
case FLAC__METADATA_TYPE_SEEKTABLE: break;
case FLAC__METADATA_TYPE_CUESHEET: break;
case FLAC__METADATA_TYPE_UNDEFINED: break;
default: break;
}
} while(FLAC__metadata_iterator_next(iterator));
if(CFDictionaryGetCount(additionalMetadata))
SetAdditionalMetadata(additionalMetadata);
CFRelease(additionalMetadata), additionalMetadata = NULL;
FLAC__metadata_iterator_delete(iterator), iterator = NULL;
FLAC__metadata_chain_delete(chain), chain = NULL;
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 MP4Metadata::ReadMetadata(CFErrorRef *error)
{
// Start from scratch
CFDictionaryRemoveAllValues(mMetadata);
CFDictionaryRemoveAllValues(mChangedMetadata);
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, FALSE, buf, PATH_MAX))
return false;
// Open the file for reading
MP4FileHandle file = MP4Read(reinterpret_cast<const char *>(buf));
if(MP4_INVALID_FILE_HANDLE == file) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MPEG-4 file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an MPEG-4 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,
AudioMetadataErrorDomain,
AudioMetadataFileFormatNotRecognizedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
// Read the properties
if(0 < MP4GetNumberOfTracks(file)) {
// Should be type 'soun', media data name'mp4a'
MP4TrackId trackID = MP4FindTrackId(file, 0);
// Verify this is an MPEG-4 audio file
if(MP4_INVALID_TRACK_ID == trackID || strncmp("soun", MP4GetTrackType(file, trackID), 4)) {
MP4Close(file), file = NULL;
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MPEG-4 file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an MPEG-4 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,
AudioMetadataErrorDomain,
AudioMetadataFileFormatNotSupportedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
MP4Duration mp4Duration = MP4GetTrackDuration(file, trackID);
uint32_t mp4TimeScale = MP4GetTrackTimeScale(file, trackID);
CFNumberRef totalFrames = CFNumberCreate(kCFAllocatorDefault, kCFNumberLongLongType, &mp4Duration);
CFDictionarySetValue(mMetadata, kPropertiesTotalFramesKey, totalFrames);
CFRelease(totalFrames), totalFrames = NULL;
CFNumberRef sampleRate = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &mp4TimeScale);
CFDictionarySetValue(mMetadata, kPropertiesSampleRateKey, sampleRate);
CFRelease(sampleRate), sampleRate = NULL;
double length = static_cast<double>(mp4Duration / mp4TimeScale);
CFNumberRef duration = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &length);
CFDictionarySetValue(mMetadata, kPropertiesDurationKey, duration);
CFRelease(duration), duration = NULL;
// "mdia.minf.stbl.stsd.*[0].channels"
int channels = MP4GetTrackAudioChannels(file, trackID);
CFNumberRef channelsPerFrame = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &channels);
CFDictionaryAddValue(mMetadata, kPropertiesChannelsPerFrameKey, channelsPerFrame);
CFRelease(channelsPerFrame), channelsPerFrame = NULL;
// ALAC files
if(MP4HaveTrackAtom(file, trackID, "mdia.minf.stbl.stsd.alac")) {
CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("Apple Lossless"));
uint64_t sampleSize;
uint8_t *decoderConfig;
uint32_t decoderConfigSize;
if(MP4GetTrackBytesProperty(file, trackID, "mdia.minf.stbl.stsd.alac.alac.decoderConfig", &decoderConfig, &decoderConfigSize) && 28 <= decoderConfigSize) {
// The ALAC magic cookie seems to have the following layout (28 bytes, BE):
// Byte 10: Sample size
// Bytes 25-28: Sample rate
CFNumberRef bitsPerChannel = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt8Type, decoderConfig + 9);
CFDictionaryAddValue(mMetadata, kPropertiesBitsPerChannelKey, bitsPerChannel);
CFRelease(bitsPerChannel), bitsPerChannel = NULL;
double losslessBitrate = static_cast<double>(mp4TimeScale * channels * sampleSize) / 1000;
CFNumberRef bitrate = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &losslessBitrate);
CFDictionarySetValue(mMetadata, kPropertiesBitrateKey, bitrate);
CFRelease(bitrate), bitrate = NULL;
free(decoderConfig), decoderConfig = NULL;
}
else if(MP4GetTrackIntegerProperty(file, trackID, "mdia.minf.stbl.stsd.alac.sampleSize", &sampleSize)) {
CFNumberRef bitsPerChannel = CFNumberCreate(kCFAllocatorDefault, kCFNumberLongLongType, &sampleSize);
CFDictionaryAddValue(mMetadata, kPropertiesBitsPerChannelKey, bitsPerChannel);
CFRelease(bitsPerChannel), bitsPerChannel = NULL;
double losslessBitrate = static_cast<double>(mp4TimeScale * channels * sampleSize) / 1000;
CFNumberRef bitrate = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &losslessBitrate);
CFDictionarySetValue(mMetadata, kPropertiesBitrateKey, bitrate);
CFRelease(bitrate), bitrate = NULL;
}
}
// AAC files
if(MP4HaveTrackAtom(file, trackID, "mdia.minf.stbl.stsd.mp4a")) {
CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("AAC"));
// "mdia.minf.stbl.stsd.*.esds.decConfigDescr.avgBitrate"
uint32_t trackBitrate = MP4GetTrackBitRate(file, trackID) / 1000;
CFNumberRef bitrate = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &trackBitrate);
CFDictionaryAddValue(mMetadata, kPropertiesBitrateKey, bitrate);
CFRelease(bitrate), bitrate = NULL;
}
}
// No valid tracks in file
else {
MP4Close(file), file = NULL;
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MPEG-4 file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an MPEG-4 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,
AudioMetadataErrorDomain,
AudioMetadataFileFormatNotSupportedError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
// Read the tags
const MP4Tags *tags = MP4TagsAlloc();
if(NULL == tags) {
MP4Close(file), file = NULL;
if(error)
*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, ENOMEM, NULL);
return false;
}
MP4TagsFetch(tags, file);
// Album title
if(tags->album) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->album, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataAlbumTitleKey, str);
CFRelease(str), str = NULL;
}
// Artist
if(tags->artist) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->artist, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataArtistKey, str);
CFRelease(str), str = NULL;
}
// Album Artist
if(tags->albumArtist) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->albumArtist, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataAlbumArtistKey, str);
CFRelease(str), str = NULL;
}
// Genre
if(tags->genre) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->genre, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataGenreKey, str);
CFRelease(str), str = NULL;
}
// Release date
if(tags->releaseDate) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->releaseDate, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataReleaseDateKey, str);
CFRelease(str), str = NULL;
}
// Composer
if(tags->composer) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->composer, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataComposerKey, str);
CFRelease(str), str = NULL;
}
// Comment
if(tags->comments) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->comments, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataCommentKey, str);
CFRelease(str), str = NULL;
}
// Track title
if(tags->name) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->name, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataTitleKey, str);
CFRelease(str), str = NULL;
}
// Track number
if(tags->track) {
if(tags->track->index) {
CFNumberRef num = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt16Type, &tags->track->index);
CFDictionarySetValue(mMetadata, kMetadataTrackNumberKey, num);
CFRelease(num), num = NULL;
}
if(tags->track->total) {
CFNumberRef num = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt16Type, &tags->track->total);
CFDictionarySetValue(mMetadata, kMetadataTrackTotalKey, num);
CFRelease(num), num = NULL;
}
}
// Disc number
if(tags->disk) {
if(tags->disk->index) {
CFNumberRef num = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt16Type, &tags->disk->index);
CFDictionarySetValue(mMetadata, kMetadataDiscNumberKey, num);
CFRelease(num), num = NULL;
}
if(tags->disk->total) {
CFNumberRef num = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt16Type, &tags->disk->total);
CFDictionarySetValue(mMetadata, kMetadataDiscTotalKey, num);
CFRelease(num), num = NULL;
}
}
// Compilation
if(tags->compilation)
CFDictionarySetValue(mMetadata, kMetadataCompilationKey, *(tags->compilation) ? kCFBooleanTrue : kCFBooleanFalse);
// BPM
if(tags->tempo) {
}
// Lyrics
if(tags->lyrics) {
CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, tags->lyrics, kCFStringEncodingUTF8);
CFDictionarySetValue(mMetadata, kMetadataLyricsKey, str);
CFRelease(str), str = NULL;
}
// Album art
if(tags->artworkCount) {
for(uint32_t i = 0; i < tags->artworkCount; ++i) {
CFDataRef data = CFDataCreate(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(tags->artwork[i].data), tags->artwork[i].size);
CFDictionarySetValue(mMetadata, kAlbumArtFrontCoverKey, data);
CFRelease(data), data = NULL;
}
}
// ReplayGain
// Reference loudness
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_reference_loudness");
if(NULL != items) {
float referenceLoudnessValue;
if(1 <= items->size && 1 <= items->elements[0].dataList.size && sscanf(reinterpret_cast<const char *>(items->elements[0].dataList.elements[0].value), "%f", &referenceLoudnessValue)) {
CFNumberRef referenceLoudness = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &referenceLoudnessValue);
CFDictionaryAddValue(mMetadata, kReplayGainReferenceLoudnessKey, referenceLoudness);
CFRelease(referenceLoudness), referenceLoudness = NULL;
}
MP4ItmfItemListFree(items), items = NULL;
}
// Track gain
items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_track_gain");
if(NULL != items) {
float trackGainValue;
if(1 <= items->size && 1 <= items->elements[0].dataList.size && sscanf(reinterpret_cast<const char *>(items->elements[0].dataList.elements[0].value), "%f", &trackGainValue)) {
CFNumberRef trackGain = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &trackGainValue);
CFDictionaryAddValue(mMetadata, kReplayGainTrackGainKey, trackGain);
CFRelease(trackGain), trackGain = NULL;
}
MP4ItmfItemListFree(items), items = NULL;
}
// Track peak
items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_track_peak");
if(NULL != items) {
float trackPeakValue;
if(1 <= items->size && 1 <= items->elements[0].dataList.size && sscanf(reinterpret_cast<const char *>(items->elements[0].dataList.elements[0].value), "%f", &trackPeakValue)) {
CFNumberRef trackPeak = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &trackPeakValue);
CFDictionaryAddValue(mMetadata, kReplayGainTrackPeakKey, trackPeak);
CFRelease(trackPeak), trackPeak = NULL;
}
MP4ItmfItemListFree(items), items = NULL;
}
// Album gain
items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_album_gain");
if(NULL != items) {
float albumGainValue;
if(1 <= items->size && 1 <= items->elements[0].dataList.size && sscanf(reinterpret_cast<const char *>(items->elements[0].dataList.elements[0].value), "%f", &albumGainValue)) {
CFNumberRef albumGain = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &albumGainValue);
CFDictionaryAddValue(mMetadata, kReplayGainAlbumGainKey, albumGain);
CFRelease(albumGain), albumGain = NULL;
}
MP4ItmfItemListFree(items), items = NULL;
}
// Album peak
items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_album_peak");
if(NULL != items) {
float albumPeakValue;
if(1 <= items->size && 1 <= items->elements[0].dataList.size && sscanf(reinterpret_cast<const char *>(items->elements[0].dataList.elements[0].value), "%f", &albumPeakValue)) {
CFNumberRef albumPeak = CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &albumPeakValue);
CFDictionaryAddValue(mMetadata, kReplayGainAlbumPeakKey, albumPeak);
CFRelease(albumPeak), albumPeak = NULL;
}
MP4ItmfItemListFree(items), items = NULL;
}
// Clean up
MP4TagsFree(tags), tags = NULL;
MP4Close(file), file = NULL;
return true;
}
bool MP4Metadata::WriteMetadata(CFErrorRef *error)
{
UInt8 buf [PATH_MAX];
if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
return false;
// Open the file for modification
MP4FileHandle file = MP4Modify(reinterpret_cast<const char *>(buf));
if(MP4_INVALID_FILE_HANDLE == file) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mURL);
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MPEG-4 file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not an MPEG 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,
AudioMetadataErrorDomain,
AudioMetadataInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
return false;
}
// Read the tags
const MP4Tags *tags = MP4TagsAlloc();
if(NULL == tags) {
MP4Close(file), file = NULL;
if(error)
*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, ENOMEM, NULL);
return false;
}
MP4TagsFetch(tags, file);
// Album Title
CFStringRef str = GetAlbumTitle();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetAlbum(tags, cString);
}
else
MP4TagsSetAlbum(tags, NULL);
// Artist
str = GetArtist();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetArtist(tags, cString);
}
else
MP4TagsSetArtist(tags, NULL);
// Album Artist
str = GetAlbumArtist();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetAlbumArtist(tags, cString);
}
else
MP4TagsSetAlbumArtist(tags, NULL);
// Genre
str = GetGenre();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetGenre(tags, cString);
}
else
MP4TagsSetGenre(tags, NULL);
// Release date
str = GetReleaseDate();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetReleaseDate(tags, cString);
}
else
MP4TagsSetReleaseDate(tags, NULL);
// Composer
str = GetComposer();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetComposer(tags, cString);
}
else
MP4TagsSetComposer(tags, NULL);
// Comment
str = GetComment();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetComments(tags, cString);
}
else
MP4TagsSetComments(tags, NULL);
// Track title
str = GetTitle();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetName(tags, cString);
}
else
MP4TagsSetName(tags, NULL);
// Track number and total
MP4TagTrack trackInfo;
memset(&trackInfo, 0, sizeof(MP4TagTrack));
if(GetTrackNumber())
CFNumberGetValue(GetTrackNumber(), kCFNumberSInt32Type, &trackInfo.index);
if(GetTrackTotal())
CFNumberGetValue(GetTrackTotal(), kCFNumberSInt32Type, &trackInfo.total);
MP4TagsSetTrack(tags, &trackInfo);
// Disc number and total
MP4TagDisk discInfo;
memset(&discInfo, 0, sizeof(MP4TagDisk));
if(GetDiscNumber())
CFNumberGetValue(GetDiscNumber(), kCFNumberSInt32Type, &discInfo.index);
if(GetDiscTotal())
CFNumberGetValue(GetDiscTotal(), kCFNumberSInt32Type, &discInfo.total);
MP4TagsSetDisk(tags, &discInfo);
// Compilation
if(GetCompilation()) {
uint8_t comp = CFBooleanGetValue(GetCompilation());
MP4TagsSetCompilation(tags, &comp);
}
else
MP4TagsSetCompilation(tags, NULL);
// Lyrics
str = GetLyrics();
if(str) {
CFIndex cStringSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char cString [cStringSize + 1];
if(!CFStringGetCString(str, cString, cStringSize + 1, kCFStringEncodingUTF8)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
MP4TagsSetLyrics(tags, cString);
}
else
MP4TagsSetLyrics(tags, NULL);
// Album art
CFDataRef artData = GetFrontCoverArt();
if(artData) {
MP4TagArtwork artwork;
artwork.data = reinterpret_cast<void *>(const_cast<UInt8 *>(CFDataGetBytePtr(artData)));
artwork.size = static_cast<uint32_t>(CFDataGetLength(artData));
artwork.type = MP4_ART_UNDEFINED;
MP4TagsAddArtwork(tags, &artwork);
}
// Save our changes
MP4TagsStore(tags, file);
// Replay Gain
// Reference loudness
if(GetReplayGainReferenceLoudness()) {
float f;
if(!CFNumberGetValue(GetReplayGainReferenceLoudness(), kCFNumberFloatType, &f)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFStringGetCString() failed");
return false;
}
char value [8];
snprintf(value, sizeof(value), "%2.1f dB", f);
MP4ItmfItem *item = MP4ItmfItemAlloc("----", 1);
if(NULL != item) {
item->mean = strdup("com.apple.iTunes");
item->name = strdup("replaygain_reference_loudness");
item->dataList.elements[0].typeCode = MP4_ITMF_BT_UTF8;
item->dataList.elements[0].value = reinterpret_cast<uint8_t *>(strdup(value));
item->dataList.elements[0].valueSize = static_cast<uint32_t>(strlen(value));
}
}
else {
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_reference_loudness");
if(items) {
for(uint32_t i = 0; i < items->size; ++i)
MP4ItmfRemoveItem(file, items->elements + i);
}
MP4ItmfItemListFree(items), items = NULL;
}
// Track gain
if(GetReplayGainTrackGain()) {
float f;
if(!CFNumberGetValue(GetReplayGainTrackGain(), kCFNumberFloatType, &f)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFNumberGetValue() failed");
return false;
}
char value [10];
snprintf(value, sizeof(value), "%+2.2f dB", f);
MP4ItmfItem *item = MP4ItmfItemAlloc("----", 1);
if(NULL != item) {
item->mean = strdup("com.apple.iTunes");
item->name = strdup("replaygain_track_gain");
item->dataList.elements[0].typeCode = MP4_ITMF_BT_UTF8;
item->dataList.elements[0].value = reinterpret_cast<uint8_t *>(strdup(value));
item->dataList.elements[0].valueSize = static_cast<uint32_t>(strlen(value));
}
}
else {
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_track_gain");
if(items) {
for(uint32_t i = 0; i < items->size; ++i)
MP4ItmfRemoveItem(file, items->elements + i);
}
MP4ItmfItemListFree(items), items = NULL;
}
// Track peak
if(GetReplayGainTrackPeak()) {
float f;
if(!CFNumberGetValue(GetReplayGainTrackPeak(), kCFNumberFloatType, &f)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFNumberGetValue() failed");
return false;
}
char value [12];
snprintf(value, sizeof(value), "%1.8f", f);
MP4ItmfItem *item = MP4ItmfItemAlloc("----", 1);
if(NULL != item) {
item->mean = strdup("com.apple.iTunes");
item->name = strdup("replaygain_track_peak");
item->dataList.elements[0].typeCode = MP4_ITMF_BT_UTF8;
item->dataList.elements[0].value = reinterpret_cast<uint8_t *>(strdup(value));
item->dataList.elements[0].valueSize = static_cast<uint32_t>(strlen(value));
}
}
else {
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_track_peak");
if(items) {
for(uint32_t i = 0; i < items->size; ++i)
MP4ItmfRemoveItem(file, items->elements + i);
}
MP4ItmfItemListFree(items), items = NULL;
}
// Album gain
if(GetReplayGainAlbumGain()) {
float f;
if(!CFNumberGetValue(GetReplayGainAlbumGain(), kCFNumberFloatType, &f)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFNumberGetValue() failed");
return false;
}
char value [10];
snprintf(value, sizeof(value), "%+2.2f dB", f);
MP4ItmfItem *item = MP4ItmfItemAlloc("----", 1);
if(NULL != item) {
item->mean = strdup("com.apple.iTunes");
item->name = strdup("replaygain_album_gain");
item->dataList.elements[0].typeCode = MP4_ITMF_BT_UTF8;
item->dataList.elements[0].value = reinterpret_cast<uint8_t *>(strdup(value));
item->dataList.elements[0].valueSize = static_cast<uint32_t>(strlen(value));
}
}
else {
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_album_gain");
if(items) {
for(uint32_t i = 0; i < items->size; ++i)
MP4ItmfRemoveItem(file, items->elements + i);
}
MP4ItmfItemListFree(items), items = NULL;
}
// Album peak
if(GetReplayGainAlbumPeak()) {
float f;
if(!CFNumberGetValue(GetReplayGainAlbumPeak(), kCFNumberFloatType, &f)) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioMetadata.MP4");
LOG4CXX_WARN(logger, "CFNumberGetValue() failed");
return false;
}
char value [12];
snprintf(value, sizeof(value), "%1.8f", f);
MP4ItmfItem *item = MP4ItmfItemAlloc("----", 1);
if(NULL != item) {
item->mean = strdup("com.apple.iTunes");
item->name = strdup("replaygain_album_peak");
item->dataList.elements[0].typeCode = MP4_ITMF_BT_UTF8;
item->dataList.elements[0].value = reinterpret_cast<uint8_t *>(strdup(value));
item->dataList.elements[0].valueSize = static_cast<uint32_t>(strlen(value));
}
}
else {
MP4ItmfItemList *items = MP4ItmfGetItemsByMeaning(file, "com.apple.iTunes", "replaygain_album_peak");
if(items) {
for(uint32_t i = 0; i < items->size; ++i)
MP4ItmfRemoveItem(file, items->elements + i);
}
MP4ItmfItemListFree(items), items = NULL;
}
// Clean up
MP4TagsFree(tags), tags = NULL;
MP4Close(file), file = NULL;
MergeChangedMetadataIntoMetadata();
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, NULL, errorBuf, OPEN_WVC | OPEN_NORMALIZE, 0);
if(NULL == mWPC) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
0,
&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;
}
