int CMp4File::create_text(CPlayerSession *psptr,
text_query_t *tq,
uint text_offset,
uint &start_desc)
{
uint ix;
//uint64_t IVLength;
CPlayerMedia *mptr;
codec_plugin_t *plugin;
uint32_t verb = MP4GetVerbosity(m_mp4file);
for (ix = 0; ix < text_offset; ix++) {
if (tq[ix].enabled != 0) {
CMp4TextByteStream *tbyte;
mptr = new CPlayerMedia(psptr, TIMED_TEXT_SYNC);
if (mptr == NULL) {
return (-1);
}
/* check if ismacryp */
#if 0
uint32_t verb = MP4GetVerbosity(m_mp4file);
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
if (MP4IsIsmaCrypMediaTrack(m_mp4file, aq[ix].track_id)) {
IVLength = MP4GetTrackIntegerProperty(m_mp4file,
aq[ix].track_id, "mdia.minf.stbl.stsd.enca.sinf.schi.iSFM.IV-length");
abyte = new CMp4EncAudioByteStream(this, aq[ix].track_id, IVLength);
} else {
abyte = new CMp4AudioByteStream(this, aq[ix].track_id);
}
MP4SetVerbosity(m_mp4file, verb);
#else
tbyte = new CMp4TextByteStream(this, tq[ix].track_id);
#endif
int ret;
plugin = check_for_text_codec(tq[ix].stream_type,
tq[ix].compressor,
NULL,
NULL,
0,
&config);
ret = mptr->create_text_plugin(plugin,
STREAM_TYPE_MP4_FILE,
tq[ix].compressor,
NULL, // sdp info
NULL,
0);
if (ret < 0) {
mp4f_message(LOG_ERR, "Couldn't create text from plugin %s",
plugin->c_name);
psptr->set_message("Couldn't start text plugin %s",
plugin->c_name);
delete mptr;
delete tbyte;
return -1;
}
ret = mptr->create_media("text", tbyte);
if (ret != 0) {
return (-1);
}
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
char *mp4info = MP4Info(m_mp4file, tq[ix].track_id);
MP4SetVerbosity(m_mp4file, verb);
char *temp = mp4info;
while (*temp != '\0') {
if (isspace(*temp)) *temp = ' ';
if (!isprint(*temp)) *temp = '*';
temp++;
}
psptr->set_session_desc(start_desc, mp4info);
free(mp4info);
start_desc++;
} else {
CHECK_AND_FREE(tq[ix].config);
}
}
return 0;
}
int CMp4File::create_audio(CPlayerSession *psptr,
audio_query_t *aq,
uint audio_offset,
uint &start_desc)
{
uint ix;
uint64_t IVLength;
CPlayerMedia *mptr;
codec_plugin_t *plugin;
for (ix = 0; ix < audio_offset; ix++) {
if (aq[ix].enabled != 0) {
CMp4AudioByteStream *abyte;
mptr = new CPlayerMedia(psptr, AUDIO_SYNC);
if (mptr == NULL) {
return (-1);
}
/* check if ismacryp */
uint32_t verb = MP4GetVerbosity(m_mp4file);
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
if (MP4IsIsmaCrypMediaTrack(m_mp4file, aq[ix].track_id)) {
MP4GetTrackIntegerProperty(m_mp4file,
aq[ix].track_id, "mdia.minf.stbl.stsd.enca.sinf.schi.iSFM.IV-length", &IVLength);
abyte = new CMp4EncAudioByteStream(this, aq[ix].track_id, IVLength);
} else {
abyte = new CMp4AudioByteStream(this, aq[ix].track_id);
}
MP4SetVerbosity(m_mp4file, verb);
audio_info_t *ainfo;
ainfo = (audio_info_t *)malloc(sizeof(audio_info_t));
memset(ainfo, 0, sizeof(*ainfo));
ainfo->freq = aq[ix].sampling_freq;
if (aq[ix].chans != -1) {
ainfo->chans = aq[ix].chans;
}
if ((aq[ix].type == MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE) ||
(aq[ix].type == MP4_PCM16_BIG_ENDIAN_AUDIO_TYPE)) {
ainfo->bitspersample = 16;
}
int ret;
plugin = check_for_audio_codec(STREAM_TYPE_MP4_FILE,
aq[ix].compressor, // media_data field
NULL,
aq[ix].type,
aq[ix].profile,
aq[ix].config,
aq[ix].config_len,
&config);
ret = mptr->create_audio_plugin(plugin,
STREAM_TYPE_MP4_FILE,
aq[ix].compressor,
aq[ix].type,
aq[ix].profile,
NULL, // sdp info
ainfo, // audio info
aq[ix].config,
aq[ix].config_len);
if (ret < 0) {
mp4f_message(LOG_ERR, "Couldn't create audio from plugin %s",
plugin->c_name);
psptr->set_message("Couldn't start audio plugin %s",
plugin->c_name);
delete mptr;
delete abyte;
return -1;
}
ret = mptr->create_media("audio", abyte);
if (ret != 0) {
return (-1);
}
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
char *mp4info = MP4Info(m_mp4file, aq[ix].track_id);
MP4SetVerbosity(m_mp4file, verb);
char *temp = mp4info;
while (*temp != '\0') {
if (isspace(*temp)) *temp = ' ';
if (!isprint(*temp)) *temp = '*';
temp++;
}
psptr->set_session_desc(start_desc, mp4info);
free(mp4info);
start_desc++;
} else {
if (aq[ix].config != NULL) free((void *)aq[ix].config);
}
}
return 0;
}
int CMp4File::create_video(CPlayerSession *psptr,
video_query_t *vq,
uint video_offset,
uint &start_desc)
{
uint ix;
CPlayerMedia *mptr;
codec_plugin_t *plugin;
const char *file_kms_uri;
const char *inuse_kms_uri;
for (ix = 0; ix < video_offset; ix++) {
if (vq[ix].enabled != 0) {
mptr = new CPlayerMedia(psptr, VIDEO_SYNC);
if (mptr == NULL) {
return (-1);
}
video_info_t *vinfo;
vinfo = (video_info_t *)malloc(sizeof(video_info_t));
vinfo->height = vq[ix].h;
vinfo->width = vq[ix].w;
plugin = check_for_video_codec(vq[ix].stream_type,
vq[ix].compressor,
NULL,
vq[ix].type,
vq[ix].profile,
vq[ix].config,
vq[ix].config_len,
&config);
int ret = mptr->create_video_plugin(plugin,
vq[ix].stream_type,
vq[ix].compressor,
vq[ix].type,
vq[ix].profile,
NULL, // sdp info
vinfo, // video info
vq[ix].config,
vq[ix].config_len);
if (ret < 0) {
mp4f_message(LOG_ERR, "Failed to create plugin data");
psptr->set_message("Failed to start plugin");
delete mptr;
return -1;
}
CMp4VideoByteStream *vbyte = NULL;
uint64_t IVLength;
/* check if clear-text or ismacryp.
* in this context original format is encv
* and compressor specifies which codec
*/
uint32_t verb = MP4GetVerbosity(m_mp4file);
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
if (strcasecmp(vq[ix].original_fmt, "avc1") == 0) {
vbyte = new CMp4H264VideoByteStream(this, vq[ix].track_id);
} else if (strcasecmp(vq[ix].original_fmt, "encv") == 0) {
MP4GetTrackIntegerProperty(m_mp4file,
vq[ix].track_id,
"mdia.minf.stbl.stsd.encv.sinf.schi.iSFM.IV-length",
&IVLength);
if (strcasecmp(vq[ix].compressor, "mp4v") == 0) {
vbyte = new CMp4EncVideoByteStream(this, vq[ix].track_id,IVLength);
}
else if (((strcasecmp(vq[ix].compressor, "avc1") == 0)
|| (strcasecmp(vq[ix].compressor, "264b")) == 0)) {
vbyte = new CMp4EncH264VideoByteStream(this, vq[ix].track_id,IVLength);
// check if file kms uri matches in-use kms uri
// advisory only
MP4GetTrackStringProperty(m_mp4file, vq[ix].track_id,
"mdia.minf.stbl.stsd.encv.sinf.schi.iKMS.kms_URI",
&file_kms_uri);
inuse_kms_uri =
((CMp4EncH264VideoByteStream *)vbyte)->get_inuse_kms_uri();
if (file_kms_uri && inuse_kms_uri) {
if (strcmp(file_kms_uri, inuse_kms_uri)) {
mp4f_message(LOG_DEBUG,
"KMS in file (%s) does not match KMS in use (%s)\n",
file_kms_uri, inuse_kms_uri);
}
}
}
} else {
vbyte = new CMp4VideoByteStream(this, vq[ix].track_id);
}
MP4SetVerbosity(m_mp4file, verb);
if (vbyte == NULL) {
delete mptr;
return (-1);
}
ret = mptr->create_media("video", vbyte);
if (ret != 0) {
return (-1);
}
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
char *mp4info = MP4Info(m_mp4file, vq[ix].track_id);
MP4SetVerbosity(m_mp4file, verb);
char *temp = mp4info;
while (*temp != '\0') {
if (isspace(*temp)) *temp = ' ';
if (!isprint(*temp)) *temp = '*';
temp++;
}
psptr->set_session_desc(start_desc, mp4info);
free(mp4info);
start_desc++;
} else {
if (vq[ix].config != NULL) free((void *)vq[ix].config);
}
}
return 0;
}
int CMp4File::create_video(CPlayerSession *psptr,
video_query_t *vq,
uint video_offset,
uint &start_desc)
{
uint ix;
CPlayerMedia *mptr;
codec_plugin_t *plugin;
for (ix = 0; ix < video_offset; ix++) {
if (vq[ix].enabled != 0) {
mptr = new CPlayerMedia(psptr, VIDEO_SYNC);
if (mptr == NULL) {
return (-1);
}
video_info_t *vinfo;
vinfo = (video_info_t *)malloc(sizeof(video_info_t));
vinfo->height = vq[ix].h;
vinfo->width = vq[ix].w;
plugin = check_for_video_codec(vq[ix].stream_type,
vq[ix].compressor,
NULL,
vq[ix].type,
vq[ix].profile,
vq[ix].config,
vq[ix].config_len,
&config);
int ret = mptr->create_video_plugin(plugin,
vq[ix].stream_type,
vq[ix].compressor,
vq[ix].type,
vq[ix].profile,
NULL, // sdp info
vinfo, // video info
vq[ix].config,
vq[ix].config_len);
if (ret < 0) {
mp4f_message(LOG_ERR, "Failed to create plugin data");
psptr->set_message("Failed to start plugin");
delete mptr;
return -1;
}
CMp4VideoByteStream *vbyte;
uint64_t IVLength;
/* check if ismacryp */
uint32_t verb = MP4GetVerbosity(m_mp4file);
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
if (strcasecmp(vq[ix].compressor, "avc1") == 0) {
vbyte = new CMp4H264VideoByteStream(this, vq[ix].track_id);
} else if (strcasecmp(vq[ix].compressor, "encv") == 0) {
MP4GetTrackIntegerProperty(m_mp4file,
vq[ix].track_id,
"mdia.minf.stbl.stsd.encv.sinf.schi.iSFM.IV-length",
&IVLength);
vbyte = new CMp4EncVideoByteStream(this, vq[ix].track_id,IVLength);
} else {
vbyte = new CMp4VideoByteStream(this, vq[ix].track_id);
}
MP4SetVerbosity(m_mp4file, verb);
if (vbyte == NULL) {
delete mptr;
return (-1);
}
ret = mptr->create_media("video", vbyte);
if (ret != 0) {
return (-1);
}
MP4SetVerbosity(m_mp4file, verb & ~(MP4_DETAILS_ERROR));
char *mp4info = MP4Info(m_mp4file, vq[ix].track_id);
MP4SetVerbosity(m_mp4file, verb);
char *temp = mp4info;
while (*temp != '\0') {
if (isspace(*temp)) *temp = ' ';
if (!isprint(*temp)) *temp = '*';
temp++;
}
psptr->set_session_desc(start_desc, mp4info);
free(mp4info);
start_desc++;
} else {
if (vq[ix].config != NULL) free((void *)vq[ix].config);
}
}
return 0;
}
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;
}
