static const char *store_to_file_pre_(const char *filename, FLAC__Metadata_Chain **chain, FLAC__StreamMetadata **block)
{
FLAC__Metadata_Iterator *iterator;
const char *error;
FLAC__bool found_vc_block = false;
if(0 == (*chain = FLAC__metadata_chain_new()))
return "memory allocation error";
if(!FLAC__metadata_chain_read(*chain, filename)) {
error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)];
FLAC__metadata_chain_delete(*chain);
return error;
}
if(0 == (iterator = FLAC__metadata_iterator_new())) {
FLAC__metadata_chain_delete(*chain);
return "memory allocation error";
}
FLAC__metadata_iterator_init(iterator, *chain);
do {
*block = FLAC__metadata_iterator_get_block(iterator);
if((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
found_vc_block = true;
} while(!found_vc_block && FLAC__metadata_iterator_next(iterator));
if(!found_vc_block) {
/* create a new block */
*block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
if(0 == *block) {
FLAC__metadata_chain_delete(*chain);
FLAC__metadata_iterator_delete(iterator);
return "memory allocation error";
}
while(FLAC__metadata_iterator_next(iterator))
;
if(!FLAC__metadata_iterator_insert_block_after(iterator, *block)) {
error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)];
FLAC__metadata_chain_delete(*chain);
FLAC__metadata_iterator_delete(iterator);
return error;
}
/* iterator is left pointing to new block */
FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == *block);
}
FLAC__metadata_iterator_delete(iterator);
FLAC__ASSERT(0 != *block);
FLAC__ASSERT((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
return 0;
}
bool_t flac_update_song_tuple(const char *filename, VFSFile *fd, const Tuple *tuple)
{
AUDDBG("Update song tuple.\n");
FLAC__Metadata_Iterator *iter;
FLAC__Metadata_Chain *chain;
FLAC__StreamMetadata *vc_block;
FLAC__Metadata_ChainStatus status;
chain = FLAC__metadata_chain_new();
if (!FLAC__metadata_chain_read_with_callbacks(chain, fd, io_callbacks))
goto ERR;
iter = FLAC__metadata_iterator_new();
FLAC__metadata_iterator_init(iter, chain);
while (FLAC__metadata_iterator_next(iter))
if (FLAC__metadata_iterator_get_block_type(iter) == FLAC__METADATA_TYPE_VORBIS_COMMENT)
{
FLAC__metadata_iterator_delete_block(iter, true);
break;
}
vc_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
insert_str_tuple_to_vc(vc_block, tuple, FIELD_TITLE, "TITLE");
insert_str_tuple_to_vc(vc_block, tuple, FIELD_ARTIST, "ARTIST");
insert_str_tuple_to_vc(vc_block, tuple, FIELD_ALBUM, "ALBUM");
insert_str_tuple_to_vc(vc_block, tuple, FIELD_GENRE, "GENRE");
insert_str_tuple_to_vc(vc_block, tuple, FIELD_COMMENT, "COMMENT");
insert_str_tuple_to_vc(vc_block, tuple, FIELD_MBID, "musicbrainz_trackid");
insert_int_tuple_to_vc(vc_block, tuple, FIELD_YEAR, "DATE");
insert_int_tuple_to_vc(vc_block, tuple, FIELD_TRACK_NUMBER, "TRACKNUMBER");
FLAC__metadata_iterator_insert_block_after(iter, vc_block);
FLAC__metadata_iterator_delete(iter);
FLAC__metadata_chain_sort_padding(chain);
if (!FLAC__metadata_chain_write_with_callbacks(chain, TRUE, fd, io_callbacks))
goto ERR;
FLAC__metadata_chain_delete(chain);
return TRUE;
ERR:
status = FLAC__metadata_chain_status(chain);
FLAC__metadata_chain_delete(chain);
FLACNG_ERROR("An error occured: %s\n", FLAC__Metadata_ChainStatusString[status]);
return FALSE;
}
void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...)
{
const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
va_list args;
FLAC__ASSERT(0 != format);
va_start(args, format);
(void) flac_vfprintf(stderr, format, args);
va_end(args);
flac_fprintf(stderr, ", status = \"%s\"\n", FLAC__Metadata_ChainStatusString[status]);
if(status == FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE) {
flac_fprintf(stderr, "\n"
"The FLAC file could not be opened. Most likely the file does not exist\n"
"or is not readable.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE) {
flac_fprintf(stderr, "\n"
"The file does not appear to be a FLAC file.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE) {
flac_fprintf(stderr, "\n"
"The FLAC file does not have write permissions.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_BAD_METADATA) {
flac_fprintf(stderr, "\n"
"The metadata to be written does not conform to the FLAC metadata\n"
"specifications.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_READ_ERROR) {
flac_fprintf(stderr, "\n"
"There was an error while reading the FLAC file.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR) {
flac_fprintf(stderr, "\n"
"There was an error while writing FLAC file; most probably the disk is\n"
"full.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR) {
flac_fprintf(stderr, "\n"
"There was an error removing the temporary FLAC file.\n"
);
}
}
bool_t flac_get_image(const char *filename, VFSFile *fd, void **data, int64_t *length)
{
AUDDBG("Probe for song image.\n");
FLAC__Metadata_Iterator *iter;
FLAC__Metadata_Chain *chain;
FLAC__StreamMetadata *metadata = NULL;
FLAC__Metadata_ChainStatus status;
bool_t has_image = FALSE;
chain = FLAC__metadata_chain_new();
if (!FLAC__metadata_chain_read_with_callbacks(chain, fd, io_callbacks))
goto ERR;
iter = FLAC__metadata_iterator_new();
FLAC__metadata_iterator_init(iter, chain);
while (FLAC__metadata_iterator_next(iter))
if (FLAC__metadata_iterator_get_block_type(iter) == FLAC__METADATA_TYPE_PICTURE)
break;
if (FLAC__metadata_iterator_get_block_type(iter) == FLAC__METADATA_TYPE_PICTURE)
{
metadata = FLAC__metadata_iterator_get_block(iter);
if (metadata->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER)
{
AUDDBG("FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER found.");
* data = malloc (metadata->data.picture.data_length);
* length = metadata->data.picture.data_length;
memcpy (* data, metadata->data.picture.data, * length);
has_image = TRUE;
}
}
FLAC__metadata_iterator_delete(iter);
FLAC__metadata_chain_delete(chain);
return has_image;
ERR:
status = FLAC__metadata_chain_status(chain);
FLAC__metadata_chain_delete(chain);
FLACNG_ERROR("An error occured: %s\n", FLAC__Metadata_ChainStatusString[status]);
return FALSE;
}
static const char *store_to_file_post_(const char *filename, FLAC__Metadata_Chain *chain, FLAC__bool preserve_modtime)
{
struct stat stats;
const FLAC__bool have_stats = get_file_stats_(filename, &stats);
(void)grabbag__file_change_stats(filename, /*read_only=*/false);
FLAC__metadata_chain_sort_padding(chain);
if(!FLAC__metadata_chain_write(chain, /*use_padding=*/true, preserve_modtime)) {
FLAC__metadata_chain_delete(chain);
return FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)];
}
FLAC__metadata_chain_delete(chain);
if(have_stats)
set_file_stats_(filename, &stats);
return 0;
}
Tuple *flac_probe_for_tuple(const char *filename, VFSFile *fd)
{
AUDDBG("Probe for tuple.\n");
Tuple *tuple = NULL;
FLAC__Metadata_Iterator *iter;
FLAC__Metadata_Chain *chain;
FLAC__StreamMetadata *metadata = NULL;
FLAC__Metadata_ChainStatus status;
FLAC__StreamMetadata_VorbisComment_Entry *entry;
char *key;
char *value;
tuple = tuple_new_from_filename(filename);
tuple_set_str(tuple, FIELD_CODEC, NULL, "Free Lossless Audio Codec (FLAC)");
tuple_set_str(tuple, FIELD_QUALITY, NULL, _("lossless"));
chain = FLAC__metadata_chain_new();
if (!FLAC__metadata_chain_read_with_callbacks(chain, fd, io_callbacks))
goto ERR;
iter = FLAC__metadata_iterator_new();
FLAC__metadata_iterator_init(iter, chain);
do
{
switch (FLAC__metadata_iterator_get_block_type(iter))
{
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
if (FLAC__metadata_iterator_get_block_type(iter) == FLAC__METADATA_TYPE_VORBIS_COMMENT)
{
metadata = FLAC__metadata_iterator_get_block(iter);
AUDDBG("Vorbis comment contains %d fields\n", metadata->data.vorbis_comment.num_comments);
AUDDBG("Vendor string: %s\n", metadata->data.vorbis_comment.vendor_string.entry);
entry = metadata->data.vorbis_comment.comments;
for (int i = 0; i < metadata->data.vorbis_comment.num_comments; i++, entry++)
{
if (FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(*entry, &key, &value) == false)
AUDDBG("Could not parse comment\n");
else
{
parse_comment(tuple, key, value);
free(key);
free(value);
}
}
}
break;
case FLAC__METADATA_TYPE_STREAMINFO:
metadata = FLAC__metadata_iterator_get_block(iter);
/* Calculate the stream length (milliseconds) */
if (metadata->data.stream_info.sample_rate == 0)
{
FLACNG_ERROR("Invalid sample rate for stream!\n");
tuple_set_int(tuple, FIELD_LENGTH, NULL, -1);
}
else
{
tuple_set_int(tuple, FIELD_LENGTH, NULL,
(metadata->data.stream_info.total_samples / metadata->data.stream_info.sample_rate) * 1000);
AUDDBG("Stream length: %d seconds\n", tuple_get_int(tuple, FIELD_LENGTH, NULL));
}
int64_t size = vfs_fsize(fd);
if (size == -1 || metadata->data.stream_info.total_samples == 0)
tuple_set_int(tuple, FIELD_BITRATE, NULL, 0);
else
{
int bitrate = 8 * size *
(int64_t) metadata->data.stream_info.sample_rate / metadata->data.stream_info.total_samples;
tuple_set_int(tuple, FIELD_BITRATE, NULL, (bitrate + 500) / 1000);
}
break;
default:
;
}
} while (FLAC__metadata_iterator_next(iter));
FLAC__metadata_iterator_delete(iter);
FLAC__metadata_chain_delete(chain);
return tuple;
ERR:
status = FLAC__metadata_chain_status(chain);
FLAC__metadata_chain_delete(chain);
FLACNG_ERROR("An error occured: %s\n", FLAC__Metadata_ChainStatusString[status]);
return tuple;
}
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;
}
/*
* Write Flac tag, using the level 2 flac interface
*/
gboolean
flac_tag_write_file_tag (const ET_File *ETFile,
GError **error)
{
const File_Tag *FileTag;
GFile *file;
GFileIOStream *iostream;
EtFlacWriteState state;
FLAC__IOCallbacks callbacks = { et_flac_read_func, et_flac_write_func,
et_flac_seek_func, et_flac_tell_func,
et_flac_eof_func,
et_flac_write_close_func
};
const gchar *filename;
const gchar *filename_utf8;
const gchar *flac_error_msg;
FLAC__Metadata_Chain *chain;
FLAC__Metadata_Iterator *iter;
FLAC__StreamMetadata_VorbisComment_Entry vce_field_vendor_string; // To save vendor string
gboolean vce_field_vendor_string_found = FALSE;
g_return_val_if_fail (ETFile != NULL && ETFile->FileTag != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
FileTag = (File_Tag *)ETFile->FileTag->data;
filename = ((File_Name *)ETFile->FileNameCur->data)->value;
filename_utf8 = ((File_Name *)ETFile->FileNameCur->data)->value_utf8;
/* libFLAC is able to detect (and skip) ID3v2 tags by itself */
/* Create a new chain instance to get all blocks in one time. */
chain = FLAC__metadata_chain_new ();
if (chain == NULL)
{
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Error while opening file ‘%s’ as FLAC: %s"),
filename_utf8, flac_error_msg);
return FALSE;
}
file = g_file_new_for_path (filename);
state.file = file;
state.error = NULL;
/* TODO: Fallback to an in-memory copy of the file for non-local files,
* where creation of the GFileIOStream may fail. */
iostream = g_file_open_readwrite (file, NULL, &state.error);
if (iostream == NULL)
{
FLAC__metadata_chain_delete (chain);
g_propagate_error (error, state.error);
g_object_unref (file);
return FALSE;
}
state.istream = G_FILE_INPUT_STREAM (g_io_stream_get_input_stream (G_IO_STREAM (iostream)));
state.ostream = G_FILE_OUTPUT_STREAM (g_io_stream_get_output_stream (G_IO_STREAM (iostream)));
state.seekable = G_SEEKABLE (iostream);
state.iostream = iostream;
if (!FLAC__metadata_chain_read_with_callbacks (chain, &state, callbacks))
{
const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status (chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete (chain);
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Error while opening file ‘%s’ as FLAC: %s"),
filename_utf8, flac_error_msg);
et_flac_write_close_func (&state);
return FALSE;
}
/* Create a new iterator instance for the chain. */
iter = FLAC__metadata_iterator_new ();
if (iter == NULL)
{
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Error while opening file ‘%s’ as FLAC: %s"),
filename_utf8, flac_error_msg);
FLAC__metadata_chain_delete (chain);
et_flac_write_close_func (&state);
return FALSE;
}
FLAC__metadata_iterator_init (iter, chain);
while (FLAC__metadata_iterator_next (iter))
{
const FLAC__MetadataType block_type = FLAC__metadata_iterator_get_block_type (iter);
/* TODO: Modify the blocks directly, rather than deleting and
* recreating. */
if (block_type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
{
// Delete the VORBIS_COMMENT block and convert to padding. But before, save the original vendor string.
/* Get block data. */
FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iter);
FLAC__StreamMetadata_VorbisComment *vc = &block->data.vorbis_comment;
if (vc->vendor_string.entry != NULL)
{
// Get initial vendor string, to don't alterate it by FLAC__VENDOR_STRING when saving file
vce_field_vendor_string.entry = (FLAC__byte *)g_strdup ((gchar *)vc->vendor_string.entry);
vce_field_vendor_string.length = strlen ((gchar *)vce_field_vendor_string.entry);
vce_field_vendor_string_found = TRUE;
}
/* Free block data. */
FLAC__metadata_iterator_delete_block (iter, true);
}
else if (block_type == FLAC__METADATA_TYPE_PICTURE)
{
/* Delete all the PICTURE blocks, and convert to padding. */
FLAC__metadata_iterator_delete_block (iter, true);
}
}
//
// Create and insert a new VORBISCOMMENT block
//
{
FLAC__StreamMetadata *vc_block; // For vorbis comments
GList *l;
// Allocate a block for Vorbis comments
vc_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
// Set the original vendor string, else will be use the version of library
if (vce_field_vendor_string_found)
{
// must set 'copy' param to false, because the API will reuse the pointer of an empty
// string (yet still return 'true', indicating it was copied); the string is free'd during
// metadata_chain_delete routine
FLAC__metadata_object_vorbiscomment_set_vendor_string(vc_block, vce_field_vendor_string, /*copy=*/false);
}
/*********
* Title *
*********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_TITLE,
FileTag->title,
g_settings_get_boolean (MainSettings,
"ogg-split-title"));
/**********
* Artist *
**********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_ARTIST,
FileTag->artist,
g_settings_get_boolean (MainSettings,
"ogg-split-artist"));
/****************
* Album Artist *
****************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_ALBUM_ARTIST,
FileTag->album_artist,
g_settings_get_boolean (MainSettings,
"ogg-split-artist"));
/*********
* Album *
*********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_ALBUM,
FileTag->album,
g_settings_get_boolean (MainSettings,
"ogg-split-album"));
/******************************
* Disc Number and Disc Total *
******************************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_DISC_NUMBER,
FileTag->disc_number, FALSE);
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_DISC_TOTAL,
FileTag->disc_total, FALSE);
/********
* Year *
********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_DATE,
FileTag->year, FALSE);
/*************************
* Track and Total Track *
*************************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_TRACK_NUMBER,
FileTag->track, FALSE);
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_TRACK_TOTAL,
FileTag->track_total, FALSE);
/*********
* Genre *
*********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_GENRE,
FileTag->genre,
g_settings_get_boolean (MainSettings,
"ogg-split-genre"));
/***********
* Comment *
***********/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_DESCRIPTION,
FileTag->comment,
g_settings_get_boolean (MainSettings,
"ogg-split-comment"));
/************
* Composer *
************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_COMPOSER,
FileTag->composer,
g_settings_get_boolean (MainSettings,
"ogg-split-composer"));
/*******************
* Original artist *
*******************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_PERFORMER,
FileTag->orig_artist,
g_settings_get_boolean (MainSettings,
"ogg-split-original-artist"));
/*************
* Copyright *
*************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_COPYRIGHT,
FileTag->copyright, FALSE);
/*******
* URL *
*******/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_CONTACT,
FileTag->url, FALSE);
/**************
* Encoded by *
**************/
vc_block_append_tag (vc_block, ET_VORBIS_COMMENT_FIELD_ENCODED_BY,
FileTag->encoded_by, FALSE);
/**************************
* Set unsupported fields *
**************************/
for (l = FileTag->other; l != NULL; l = g_list_next (l))
{
vc_block_append_other_tag (vc_block, (gchar *)l->data);
}
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, vc_block);
}
//
// Create and insert PICTURE blocks
//
/***********
* Picture *
***********/
{
EtPicture *pic = FileTag->picture;
while (pic)
{
/* TODO: Can this ever be NULL? */
if (pic->bytes)
{
const gchar *violation;
FLAC__StreamMetadata *picture_block; // For picture data
Picture_Format format;
gconstpointer data;
gsize data_size;
// Allocate block for picture data
picture_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE);
// Type
picture_block->data.picture.type = pic->type;
// Mime type
format = Picture_Format_From_Data(pic);
/* Safe to pass a const string, according to the FLAC API
* reference. */
FLAC__metadata_object_picture_set_mime_type(picture_block, (gchar *)Picture_Mime_Type_String(format), TRUE);
// Description
if (pic->description)
{
FLAC__metadata_object_picture_set_description(picture_block, (FLAC__byte *)pic->description, TRUE);
}
// Resolution
picture_block->data.picture.width = pic->width;
picture_block->data.picture.height = pic->height;
picture_block->data.picture.depth = 0;
/* Picture data. */
data = g_bytes_get_data (pic->bytes, &data_size);
/* Safe to pass const data, if the last argument (copy) is
* TRUE, according the the FLAC API reference. */
FLAC__metadata_object_picture_set_data (picture_block,
(FLAC__byte *)data,
(FLAC__uint32)data_size,
true);
if (!FLAC__metadata_object_picture_is_legal (picture_block,
&violation))
{
g_critical ("Created an invalid picture block: ‘%s’",
violation);
FLAC__metadata_object_delete (picture_block);
}
else
{
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, picture_block);
}
}
pic = pic->next;
}
}
FLAC__metadata_iterator_delete (iter);
//
// Prepare for writing tag
//
FLAC__metadata_chain_sort_padding (chain);
/* Write tag. */
if (FLAC__metadata_chain_check_if_tempfile_needed (chain, true))
{
EtFlacWriteState temp_state;
GFile *temp_file;
GFileIOStream *temp_iostream;
GError *temp_error = NULL;
temp_file = g_file_new_tmp ("easytag-XXXXXX", &temp_iostream,
&temp_error);
if (temp_file == NULL)
{
FLAC__metadata_chain_delete (chain);
g_propagate_error (error, temp_error);
et_flac_write_close_func (&state);
return FALSE;
}
temp_state.file = temp_file;
temp_state.error = NULL;
temp_state.istream = G_FILE_INPUT_STREAM (g_io_stream_get_input_stream (G_IO_STREAM (temp_iostream)));
temp_state.ostream = G_FILE_OUTPUT_STREAM (g_io_stream_get_output_stream (G_IO_STREAM (temp_iostream)));
temp_state.seekable = G_SEEKABLE (temp_iostream);
temp_state.iostream = temp_iostream;
if (!FLAC__metadata_chain_write_with_callbacks_and_tempfile (chain,
true,
&state,
callbacks,
&temp_state,
callbacks))
{
const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status (chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete (chain);
et_flac_write_close_func (&temp_state);
et_flac_write_close_func (&state);
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Failed to write comments to file ‘%s’: %s"),
filename_utf8, flac_error_msg);
return FALSE;
}
if (!g_file_move (temp_file, file, G_FILE_COPY_OVERWRITE, NULL, NULL,
NULL, &state.error))
{
FLAC__metadata_chain_delete (chain);
et_flac_write_close_func (&temp_state);
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Failed to write comments to file ‘%s’: %s"),
filename_utf8, state.error->message);
et_flac_write_close_func (&state);
return FALSE;
}
et_flac_write_close_func (&temp_state);
}
else
{
if (!FLAC__metadata_chain_write_with_callbacks (chain, true, &state,
callbacks))
{
const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status (chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete (chain);
et_flac_write_close_func (&state);
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Failed to write comments to file ‘%s’: %s"),
filename_utf8, flac_error_msg);
return FALSE;
}
}
FLAC__metadata_chain_delete (chain);
et_flac_write_close_func (&state);
#ifdef ENABLE_MP3
{
// Delete the ID3 tags (create a dummy ETFile for the Id3tag_... function)
ET_File *ETFile_tmp = ET_File_Item_New();
File_Name *FileName_tmp = et_file_name_new ();
File_Tag *FileTag_tmp = et_file_tag_new ();
// Same file...
FileName_tmp->value = g_strdup(filename);
FileName_tmp->value_utf8 = g_strdup(filename_utf8); // Not necessary to fill 'value_ck'
ETFile_tmp->FileNameList = g_list_append(NULL,FileName_tmp);
ETFile_tmp->FileNameCur = ETFile_tmp->FileNameList;
// With empty tag...
ETFile_tmp->FileTagList = g_list_append(NULL,FileTag_tmp);
ETFile_tmp->FileTag = ETFile_tmp->FileTagList;
id3tag_write_file_tag (ETFile_tmp, NULL);
ET_Free_File_List_Item(ETFile_tmp);
}
#endif
return TRUE;
}
/*
* Write Flac tag, using the level 2 flac interface
*/
gboolean Flac_Tag_Write_File_Tag (ET_File *ETFile)
{
File_Tag *FileTag;
gchar *filename_utf8, *filename;
gchar *basename_utf8;
FLAC__Metadata_Chain *chain;
FLAC__Metadata_Iterator *iter;
FLAC__StreamMetadata_VorbisComment_Entry vce_field_vendor_string; // To save vendor string
gboolean vce_field_vendor_string_found = FALSE;
if (!ETFile || !ETFile->FileTag)
return FALSE;
FileTag = (File_Tag *)ETFile->FileTag->data;
filename = ((File_Name *)ETFile->FileNameCur->data)->value;
filename_utf8 = ((File_Name *)ETFile->FileNameCur->data)->value_utf8;
flac_error_msg = NULL;
/* libFLAC is able to detect (and skip) ID3v2 tags by itself */
// Create a new chain instance to get all blocks in one time
chain = FLAC__metadata_chain_new();
if (chain == NULL || !FLAC__metadata_chain_read(chain,filename))
{
if (chain == NULL)
{
// Error with "FLAC__metadata_chain_new"
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
} else
{
// Error with "FLAC__metadata_chain_read"
FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete(chain);
}
Log_Print(LOG_ERROR,_("ERROR while opening file: '%s' as FLAC (%s)."),filename_utf8,flac_error_msg);
return FALSE;
}
// Create a new iterator instance for the chain
iter = FLAC__metadata_iterator_new();
if (iter == NULL)
{
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
Log_Print(LOG_ERROR,_("ERROR while opening file: '%s' as FLAC (%s)."),filename_utf8,flac_error_msg);
return FALSE;
}
// Initialize the iterator to point to the first metadata block in the given chain.
FLAC__metadata_iterator_init(iter,chain);
while (FLAC__metadata_iterator_next(iter))
{
//g_print("Write: %d %s -> block type: %d\n",j++,g_path_get_basename(filename),FLAC__metadata_iterator_get_block_type(iter));
// Action to do according the type
switch ( FLAC__metadata_iterator_get_block_type(iter) )
{
//
// Delete the VORBIS_COMMENT block and convert to padding. But before, save the original vendor string.
//
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
{
// Get block data
FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iter);
FLAC__StreamMetadata_VorbisComment *vc = &block->data.vorbis_comment;
if (vc->vendor_string.entry != NULL)
{
// Get initial vendor string, to don't alterate it by FLAC__VENDOR_STRING when saving file
vce_field_vendor_string.entry = (FLAC__byte *)g_strdup((gchar *)vc->vendor_string.entry);
vce_field_vendor_string.length = strlen((gchar *)vce_field_vendor_string.entry);
vce_field_vendor_string_found = TRUE;
}
// Free block data
FLAC__metadata_iterator_delete_block(iter,true);
break;
}
//
// Delete all the PICTURE blocks, and convert to padding
//
#ifndef LEGACY_FLAC // For FLAC >= 1.1.3
case FLAC__METADATA_TYPE_PICTURE:
{
FLAC__metadata_iterator_delete_block(iter,true);
break;
}
#endif
default:
break;
}
}
//
// Create and insert a new VORBISCOMMENT block
//
{
FLAC__StreamMetadata *vc_block; // For vorbis comments
FLAC__StreamMetadata_VorbisComment_Entry field;
gchar *string;
GList *list;
// Allocate a block for Vorbis comments
vc_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
// Set the original vendor string, else will be use the version of library
if (vce_field_vendor_string_found)
{
// must set 'copy' param to false, because the API will reuse the pointer of an empty
// string (yet still return 'true', indicating it was copied); the string is free'd during
// metadata_chain_delete routine
FLAC__metadata_object_vorbiscomment_set_vendor_string(vc_block, vce_field_vendor_string, /*copy=*/false);
}
/*********
* Title *
*********/
if ( FileTag->title )
{
Flac_Write_Delimetered_Tag(vc_block,"TITLE=",FileTag->title);
}
/**********
* Artist *
**********/
if ( FileTag->artist )
{
Flac_Write_Delimetered_Tag(vc_block,"ARTIST=",FileTag->artist);
}
/*********
* Album *
*********/
if ( FileTag->album )
{
Flac_Write_Delimetered_Tag(vc_block,"ALBUM=",FileTag->album);
}
/***************
* Disc Number *
***************/
if ( FileTag->disc_number )
{
string = g_strconcat("DISCNUMBER=",FileTag->disc_number,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/********
* Year *
********/
if ( FileTag->year )
{
string = g_strconcat("DATE=",FileTag->year,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*************************
* Track and Total Track *
*************************/
if ( FileTag->track )
{
string = g_strconcat("TRACKNUMBER=",FileTag->track,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
if ( FileTag->track_total /*&& strlen(FileTag->track_total)>0*/ )
{
string = g_strconcat("TRACKTOTAL=",FileTag->track_total,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*********
* Genre *
*********/
if ( FileTag->genre )
{
Flac_Write_Delimetered_Tag(vc_block,"GENRE=",FileTag->genre);
}
/***********
* Comment *
***********/
// We write the comment using the "both" format
if ( FileTag->comment )
{
Flac_Write_Delimetered_Tag(vc_block,"DESCRIPTION=",FileTag->comment);
Flac_Write_Delimetered_Tag(vc_block,"COMMENT=",FileTag->comment);
}
/************
* Composer *
************/
if ( FileTag->composer )
{
Flac_Write_Delimetered_Tag(vc_block,"COMPOSER=",FileTag->composer);
}
/*******************
* Original artist *
*******************/
if ( FileTag->orig_artist )
{
Flac_Write_Delimetered_Tag(vc_block,"PERFORMER=",FileTag->orig_artist);
}
/*************
* Copyright *
*************/
if ( FileTag->copyright )
{
string = g_strconcat("COPYRIGHT=",FileTag->copyright,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*******
* URL *
*******/
if ( FileTag->url )
{
string = g_strconcat("LICENSE=",FileTag->url,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/**************
* Encoded by *
**************/
if ( FileTag->encoded_by )
{
string = g_strconcat("ENCODED-BY=",FileTag->encoded_by,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/**************************
* Set unsupported fields *
**************************/
list = FileTag->other;
while (list)
{
if (list->data)
{
string = (gchar*)list->data;
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
}
list = list->next;
}
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, vc_block);
}
//
// Create and insert PICTURE blocks
//
/***********
* Picture *
***********/
// For FLAC >= 1.1.3
#ifndef LEGACY_FLAC
{
Picture *pic = FileTag->picture;
while (pic)
{
if (pic->data)
{
const gchar *violation;
FLAC__StreamMetadata *picture_block; // For picture data
Picture_Format format;
// Allocate block for picture data
picture_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE);
// Type
picture_block->data.picture.type = pic->type;
// Mime type
format = Picture_Format_From_Data(pic);
FLAC__metadata_object_picture_set_mime_type(picture_block, (gchar *)Picture_Mime_Type_String(format), TRUE);
// Description
if (pic->description)
{
FLAC__metadata_object_picture_set_description(picture_block, (FLAC__byte *)pic->description, TRUE);
}
// Resolution
picture_block->data.picture.width = pic->width;
picture_block->data.picture.height = pic->height;
picture_block->data.picture.depth = 0;
// Picture data
FLAC__metadata_object_picture_set_data(picture_block, (FLAC__byte *)pic->data, (FLAC__uint32) pic->size, TRUE);
if (!FLAC__metadata_object_picture_is_legal(picture_block, &violation))
{
Log_Print(LOG_ERROR,_("Picture block isn't valid: '%s'"),violation);
FLAC__metadata_object_delete(picture_block);
} else
{
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, picture_block);
}
}
pic = pic->next;
}
}
#endif
// Free iter
FLAC__metadata_iterator_delete(iter);
//
// Prepare for writing tag
//
// Move all PADDING blocks to the end on the metadata, and merge them into a single block.
FLAC__metadata_chain_sort_padding(chain);
// Write tag
if ( !FLAC__metadata_chain_write(chain, /*padding*/TRUE, PRESERVE_MODIFICATION_TIME) )
{
// Error with "FLAC__metadata_chain_write"
FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete(chain);
Log_Print(LOG_ERROR,_("ERROR: Failed to write comments to file '%s' (%s)."),filename_utf8,flac_error_msg);
return FALSE;
} else
{
basename_utf8 = g_path_get_basename(filename_utf8);
Log_Print(LOG_OK,_("Written tag of '%s'"),basename_utf8);
g_free(basename_utf8);
}
FLAC__metadata_chain_delete(chain);
#ifdef ENABLE_MP3
/*
* Write also the ID3 tags (ID3v1 and/or ID3v2) if wanted (as needed by some players)
*/
if (WRITE_ID3_TAGS_IN_FLAC_FILE)
{
Id3tag_Write_File_Tag(ETFile);
} else
{
// Delete the ID3 tags (create a dummy ETFile for the Id3tag_... function)
ET_File *ETFile_tmp = ET_File_Item_New();
File_Name *FileName_tmp = ET_File_Name_Item_New();
File_Tag *FileTag_tmp = ET_File_Tag_Item_New();
// Same file...
FileName_tmp->value = g_strdup(filename);
FileName_tmp->value_utf8 = g_strdup(filename_utf8); // Not necessary to fill 'value_ck'
ETFile_tmp->FileNameList = g_list_append(NULL,FileName_tmp);
ETFile_tmp->FileNameCur = ETFile_tmp->FileNameList;
// With empty tag...
ETFile_tmp->FileTagList = g_list_append(NULL,FileTag_tmp);
ETFile_tmp->FileTag = ETFile_tmp->FileTagList;
Id3tag_Write_File_Tag(ETFile_tmp);
ET_Free_File_List_Item(ETFile_tmp);
}
#endif
return TRUE;
}
int32_t MV_PlayFLAC
(
char *ptr,
uint32_t ptrlength,
int32_t loopstart,
int32_t loopend,
int32_t pitchoffset,
int32_t vol,
int32_t left,
int32_t right,
int32_t priority,
uint32_t callbackval
)
{
VoiceNode *voice;
flac_data * fd = 0;
FLAC__Metadata_Chain* metadata_chain;
UNREFERENCED_PARAMETER(loopend);
if ( !MV_Installed )
{
MV_SetErrorCode( MV_NotInstalled );
return MV_Error;
}
fd = (flac_data *) malloc( sizeof(flac_data) );
if (!fd) {
MV_SetErrorCode( MV_InvalidFLACFile );
return MV_Error;
}
memset(fd, 0, sizeof(flac_data));
fd->ptr = ptr;
fd->pos = 0;
fd->blocksize = 0;
fd->length = ptrlength;
fd->block = NULL;
fd->stream = FLAC__stream_decoder_new();
fd->sample_pos = 0;
FLAC__stream_decoder_set_metadata_ignore_all(fd->stream);
if (FLAC__stream_decoder_init_stream(fd->stream,
read_flac_stream,
seek_flac_stream,
tell_flac_stream,
length_flac_stream,
eof_flac_stream,
write_flac_stream,
/*metadata_flac_stream*/ NULL,
error_flac_stream,
(void*) fd) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
MV_Printf("MV_PlayFLAC: %s\n", FLAC__stream_decoder_get_resolved_state_string(fd->stream));
MV_SetErrorCode( MV_InvalidFLACFile );
return MV_Error;
}
// Request a voice from the voice pool
voice = MV_AllocVoice( priority );
if ( voice == NULL )
{
FLAC__stream_decoder_finish(fd->stream);
FLAC__stream_decoder_delete(fd->stream);
free(fd);
MV_SetErrorCode( MV_NoVoices );
return MV_Error;
}
fd->owner = voice;
voice->wavetype = FLAC;
voice->extra = (void*)fd;
voice->GetSound = MV_GetNextFLACBlock;
voice->NextBlock = fd->block;
voice->DemandFeed = NULL;
voice->LoopCount = 0;
voice->BlockLength = 0;
voice->PitchScale = PITCH_GetScale( pitchoffset );
voice->next = NULL;
voice->prev = NULL;
voice->priority = priority;
voice->callbackval = callbackval;
voice->Playing = TRUE;
voice->Paused = FALSE;
voice->LoopStart = 0;
voice->LoopEnd = 0;
voice->LoopSize = (loopstart >= 0 ? 1 : 0);
// parse metadata
// loop parsing designed with multiple repetitions in mind
// In retrospect, it may be possible to MV_GetVorbisCommentLoops(voice, (vorbis_comment *) tags->data.vorbis_comment)
// but libvorbisfile may be confused by the signedness of char* vs FLAC__byte* and this code does not depend on HAVE_VORBIS.
metadata_chain = FLAC__metadata_chain_new();
if (metadata_chain != NULL)
{
if (FLAC__metadata_chain_read_with_callbacks(metadata_chain, fd, flac_callbacks))
{
FLAC__Metadata_Iterator* metadata_iterator = FLAC__metadata_iterator_new();
if (metadata_iterator != NULL)
{
char *vc_loopstart = NULL;
char *vc_loopend = NULL;
char *vc_looplength = NULL;
FLAC__metadata_iterator_init(metadata_iterator, metadata_chain);
do
{
FLAC__StreamMetadata *tags = FLAC__metadata_iterator_get_block(metadata_iterator);
if (tags->type == FLAC__METADATA_TYPE_STREAMINFO)
{
const FLAC__StreamMetadata_StreamInfo *info = &tags->data.stream_info;
if (info->channels != 1 && info->channels != 2) {
FLAC__metadata_object_delete(tags);
FLAC__metadata_iterator_delete(metadata_iterator);
// FLAC__metadata_chain_delete(metadata_chain);
FLAC__stream_decoder_finish(fd->stream);
FLAC__stream_decoder_delete(fd->stream);
free(fd);
MV_SetErrorCode( MV_InvalidFLACFile );
return MV_Error;
}
voice->channels = info->channels;
voice->bits = info->bits_per_sample;
voice->SamplingRate = info->sample_rate;
}
// load loop tags from metadata
if (tags->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
{
FLAC__uint32 comment;
uint8_t loopTagCount;
for (comment = 0; comment < tags->data.vorbis_comment.num_comments; ++comment)
{
const char *entry = (const char *) tags->data.vorbis_comment.comments[comment].entry;
if (entry != NULL && entry[0] != '\0')
{
const char *value = strchr(entry,'=');
const size_t field = value-entry;
value += 1;
for (loopTagCount = 0; loopTagCount < loopStartTagCount && vc_loopstart == NULL; ++loopTagCount)
if (strncasecmp(entry, loopStartTags[loopTagCount], field) == 0)
vc_loopstart = strdup(value);
for (loopTagCount = 0; loopTagCount < loopEndTagCount && vc_loopend == NULL; ++loopTagCount)
if (strncasecmp(entry, loopEndTags[loopTagCount], field) == 0)
vc_loopend = strdup(value);
for (loopTagCount = 0; loopTagCount < loopLengthTagCount && vc_looplength == NULL; ++loopTagCount)
if (strncasecmp(entry, loopLengthTags[loopTagCount], field) == 0)
vc_looplength = strdup(value);
}
}
}
FLAC__metadata_object_delete(tags); // If it wasn't for this I would assign pointers instead of strdup().
}
while (FLAC__metadata_iterator_next(metadata_iterator));
if (vc_loopstart != NULL)
{
{
const FLAC__int64 flac_loopstart = atol(vc_loopstart);
if (flac_loopstart >= 0) // a loop starting at 0 is valid
{
voice->LoopStart = (const char *) (intptr_t) flac_loopstart;
voice->LoopSize = 1;
}
}
free(vc_loopstart);
}
if (vc_loopend != NULL)
{
if (voice->LoopSize > 0)
{
const FLAC__int64 flac_loopend = atol(vc_loopend);
if (flac_loopend > 0) // a loop ending at 0 is invalid
voice->LoopEnd = (const char *) (intptr_t) flac_loopend;
}
free(vc_loopend);
}
if (vc_looplength != NULL)
{
if (voice->LoopSize > 0 && voice->LoopEnd == 0)
{
const FLAC__int64 flac_looplength = atol(vc_looplength);
if (flac_looplength > 0) // a loop of length 0 is invalid
voice->LoopEnd = (const char *) ((intptr_t) flac_looplength + (intptr_t) voice->LoopStart);
}
free(vc_looplength);
}
FLAC__metadata_iterator_delete(metadata_iterator);
}
else
MV_Printf("Error allocating FLAC__Metadata_Iterator!\n");
}
else
MV_Printf("%s\n", FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(metadata_chain)]);
// FLAC__metadata_chain_delete(metadata_chain); // when run with GDB, this throws SIGTRAP about freed heap memory being modified
}
else
MV_Printf("Error allocating FLAC__Metadata_Chain!\n");
// CODEDUP multivoc.c MV_SetVoicePitch
voice->RateScale = ( voice->SamplingRate * voice->PitchScale ) / MV_MixRate;
voice->FixedPointBufferSize = ( voice->RateScale * MV_MIXBUFFERSIZE ) -
voice->RateScale;
MV_SetVoiceMixMode( voice );
MV_SetVoiceVolume( voice, vol, left, right );
MV_PlayVoice( voice );
return voice->handle;
}