int AacPcm::getInfos(MediaInfo *infos)
{
if(!infos)
return 1;
if(hDecoder)
{
SHOW_INFO()
return 0;
}
IsAAC=strcmpi(infos->getFilename()+lstrlen(infos->getFilename())-4,".aac")==0;
if(!IsAAC) // MP4 file ---------------------------------------------------------------------
{
MP4Duration length;
unsigned __int32 buffer_size;
mp4AudioSpecificConfig mp4ASC;
if(!(mp4File=MP4Read(infos->getFilename(), 0)))
ERROR_getInfos("Error opening file");
if((track=GetAACTrack(mp4File))<0)
ERROR_getInfos(0); //"Unable to find correct AAC sound track");
if(!(hDecoder=faacDecOpen()))
ERROR_getInfos("Error initializing decoder library");
MP4GetTrackESConfiguration(mp4File, track, (unsigned __int8 **)&buffer, &buffer_size);
if(!buffer)
ERROR_getInfos("MP4GetTrackESConfiguration");
AudioSpecificConfig(buffer, buffer_size, &mp4ASC);
Channels=mp4ASC.channelsConfiguration;
if(faacDecInit2(hDecoder, buffer, buffer_size, &Samplerate, &Channels) < 0)
ERROR_getInfos("Error initializing decoder library");
FREE_ARRAY(buffer);
length=MP4GetTrackDuration(mp4File, track);
len_ms=(DWORD)MP4ConvertFromTrackDuration(mp4File, track, length, MP4_MSECS_TIME_SCALE);
file_info.bitrate=MP4GetTrackBitRate(mp4File, track);
file_info.version=MP4GetTrackAudioType(mp4File, track)==MP4_MPEG4_AUDIO_TYPE ? 4 : 2;
numSamples=MP4GetTrackNumberOfSamples(mp4File, track);
sampleId=1;
}
else // AAC file ------------------------------------------------------------------------------
{
DWORD read,
tmp;
BYTE Channels4Raw=0;
if(!(aacFile=fopen(infos->getFilename(),"rb")))
ERROR_getInfos("Error opening file");
// use bufferized stream
setvbuf(aacFile,NULL,_IOFBF,32767);
// get size of file
fseek(aacFile, 0, SEEK_END);
src_size=ftell(aacFile);
fseek(aacFile, 0, SEEK_SET);
if(!(buffer=(BYTE *)malloc(FAAD_STREAMSIZE)))
ERROR_getInfos("Memory allocation error: buffer")
tmp=src_size<FAAD_STREAMSIZE ? src_size : FAAD_STREAMSIZE;
read=fread(buffer, 1, tmp, aacFile);
if(read==tmp)
{
bytes_read=read;
bytes_into_buffer=read;
}
else
ERROR_getInfos("Read failed!")
if(tagsize=id3v2_tag(buffer))
{
if(tagsize>(long)src_size)
ERROR_getInfos("Corrupt stream!");
if(tagsize<bytes_into_buffer)
{
bytes_into_buffer-=tagsize;
memcpy(buffer,buffer+tagsize,bytes_into_buffer);
}
else
{
bytes_read=tagsize;
bytes_into_buffer=0;
if(tagsize>bytes_into_buffer)
fseek(aacFile, tagsize, SEEK_SET);
}
if(src_size<bytes_read+FAAD_STREAMSIZE-bytes_into_buffer)
tmp=src_size-bytes_read;
else
tmp=FAAD_STREAMSIZE-bytes_into_buffer;
read=fread(buffer+bytes_into_buffer, 1, tmp, aacFile);
if(read==tmp)
{
bytes_read+=read;
bytes_into_buffer+=read;
}
else
ERROR_getInfos("Read failed!");
}
if(get_AAC_format((char *)infos->getFilename(), &file_info, &seek_table, &seek_table_length, 0))
ERROR_getInfos("get_AAC_format");
IsSeekable=file_info.headertype==ADTS && seek_table && seek_table_length>0;
BlockSeeking=!IsSeekable;
if(!(hDecoder=faacDecOpen()))
ERROR_getInfos("Can't open library");
if(file_info.headertype==RAW)
{
faacDecConfiguration config;
config.defSampleRate=atoi(cfg_samplerate);
switch(cfg_profile[1])
{
case 'a':
config.defObjectType=MAIN;
break;
case 'o':
config.defObjectType=LOW;
break;
case 'S':
config.defObjectType=SSR;
break;
case 'T':
config.defObjectType=LTP;
break;
}
switch(cfg_bps[0])
{
case '1':
config.outputFormat=FAAD_FMT_16BIT;
break;
case '2':
config.outputFormat=FAAD_FMT_24BIT;
break;
case '3':
config.outputFormat=FAAD_FMT_32BIT;
break;
case 'F':
config.outputFormat=FAAD_FMT_24BIT;
break;
}
faacDecSetConfiguration(hDecoder, &config);
if(!FindBitrate)
{
AacPcm *NewInst;
if(!(NewInst=new AacPcm()))
ERROR_getInfos("Memory allocation error: NewInst");
NewInst->FindBitrate=TRUE;
if(NewInst->getInfos(infos))
ERROR_getInfos(0);
Channels4Raw=NewInst->frameInfo.channels;
file_info.bitrate=NewInst->file_info.bitrate*Channels4Raw;
delete NewInst;
}
else
{
DWORD Samples,
BytesConsumed;
if((bytes_consumed=faacDecInit(hDecoder,buffer,bytes_into_buffer,&Samplerate,&Channels))<0)
ERROR_getInfos("Can't init library");
bytes_into_buffer-=bytes_consumed;
if(!processData(infos,0,0))
ERROR_getInfos(0);
Samples=frameInfo.samples/sizeof(short);
BytesConsumed=frameInfo.bytesconsumed;
processData(infos,0,0);
if(BytesConsumed<frameInfo.bytesconsumed)
BytesConsumed=frameInfo.bytesconsumed;
file_info.bitrate=(BytesConsumed*8*Samplerate)/Samples;
if(!file_info.bitrate)
file_info.bitrate=1000; // try to continue decoding
return 0;
}
}
if((bytes_consumed=faacDecInit(hDecoder, buffer, bytes_into_buffer, &Samplerate, &Channels))<0)
ERROR_getInfos("faacDecInit failed!")
bytes_into_buffer-=bytes_consumed;
if(Channels4Raw)
Channels=Channels4Raw;
len_ms=(DWORD)((1000*((float)src_size*8))/file_info.bitrate);
}
SHOW_INFO();
return 0;
}
unsigned int GetBitRate() const
{
return MP4GetTrackBitRate(handle, video_track_id);
}
static char* PrintAudioInfo(
MP4FileHandle mp4File,
MP4TrackId trackId)
{
static const char* mpeg4AudioNames[] = {
"MPEG-4 AAC main",
"MPEG-4 AAC LC",
"MPEG-4 AAC SSR",
"MPEG-4 AAC LTP",
"MPEG-4 AAC HE",
"MPEG-4 AAC Scalable",
"MPEG-4 TwinVQ",
"MPEG-4 CELP",
"MPEG-4 HVXC",
NULL, NULL,
"MPEG-4 TTSI",
"MPEG-4 Main Synthetic",
"MPEG-4 Wavetable Syn",
"MPEG-4 General MIDI",
"MPEG-4 Algo Syn and Audio FX",
"MPEG-4 ER AAC LC",
NULL,
"MPEG-4 ER AAC LTP",
"MPEG-4 ER AAC Scalable",
"MPEG-4 ER TwinVQ",
"MPEG-4 ER BSAC",
"MPEG-4 ER ACC LD",
"MPEG-4 ER CELP",
"MPEG-4 ER HVXC",
"MPEG-4 ER HILN",
"MPEG-4 ER Parametric",
"MPEG-4 SSC",
"MPEG-4 PS",
"MPEG-4 MPEG Surround",
NULL,
"MPEG-4 Layer-1",
"MPEG-4 Layer-2",
"MPEG-4 Layer-3",
"MPEG-4 DST",
"MPEG-4 Audio Lossless",
"MPEG-4 SLS",
"MPEG-4 SLS non-core",
};
static const u_int8_t mpegAudioTypes[] = {
MP4_MPEG2_AAC_MAIN_AUDIO_TYPE, // 0x66
MP4_MPEG2_AAC_LC_AUDIO_TYPE, // 0x67
MP4_MPEG2_AAC_SSR_AUDIO_TYPE, // 0x68
MP4_MPEG2_AUDIO_TYPE, // 0x69
MP4_MPEG1_AUDIO_TYPE, // 0x6B
// private types
MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE,
MP4_VORBIS_AUDIO_TYPE,
MP4_ALAW_AUDIO_TYPE,
MP4_ULAW_AUDIO_TYPE,
MP4_G723_AUDIO_TYPE,
MP4_PCM16_BIG_ENDIAN_AUDIO_TYPE,
};
static const char* mpegAudioNames[] = {
"MPEG-2 AAC Main",
"MPEG-2 AAC LC",
"MPEG-2 AAC SSR",
"MPEG-2 Audio (13818-3)",
"MPEG-1 Audio (11172-3)",
// private types
"PCM16 (little endian)",
"Vorbis",
"G.711 aLaw",
"G.711 uLaw",
"G.723.1",
"PCM16 (big endian)",
};
u_int8_t numMpegAudioTypes =
sizeof(mpegAudioTypes) / sizeof(u_int8_t);
const char* typeName = "Unknown";
bool foundType = false;
u_int8_t type = 0;
const char *media_data_name;
media_data_name = MP4GetTrackMediaDataName(mp4File, trackId);
if (media_data_name == NULL) {
typeName = "Unknown - no media data name";
} else if (strcasecmp(media_data_name, "samr") == 0) {
typeName = "AMR";
foundType = true;
} else if (strcasecmp(media_data_name, "sawb") == 0) {
typeName = "AMR-WB";
foundType = true;
} else if (strcasecmp(media_data_name, "mp4a") == 0) {
type = MP4GetTrackEsdsObjectTypeId(mp4File, trackId);
switch (type) {
case MP4_INVALID_AUDIO_TYPE:
typeName = "AAC from .mov";
foundType = true;
break;
case MP4_MPEG4_AUDIO_TYPE: {
type = MP4GetTrackAudioMpeg4Type(mp4File, trackId);
if (type == MP4_MPEG4_INVALID_AUDIO_TYPE ||
type > NUM_ELEMENTS_IN_ARRAY(mpeg4AudioNames) ||
mpeg4AudioNames[type - 1] == NULL) {
typeName = "MPEG-4 Unknown Profile";
} else {
typeName = mpeg4AudioNames[type - 1];
foundType = true;
}
break;
}
// fall through
default:
for (u_int8_t i = 0; i < numMpegAudioTypes; i++) {
if (type == mpegAudioTypes[i]) {
typeName = mpegAudioNames[i];
foundType = true;
break;
}
}
}
} else {
typeName = media_data_name;
foundType = true;
}
u_int32_t timeScale =
MP4GetTrackTimeScale(mp4File, trackId);
MP4Duration trackDuration =
MP4GetTrackDuration(mp4File, trackId);
double msDuration =
UINT64_TO_DOUBLE(MP4ConvertFromTrackDuration(mp4File, trackId,
trackDuration, MP4_MSECS_TIME_SCALE));
u_int32_t avgBitRate =
MP4GetTrackBitRate(mp4File, trackId);
char *sInfo = (char*)MP4Malloc(256);
// type duration avgBitrate samplingFrequency
if (foundType)
snprintf(sInfo, 256,
"%u\taudio\t%s%s, %.3f secs, %u kbps, %u Hz\n",
trackId,
MP4IsIsmaCrypMediaTrack(mp4File, trackId) ? "enca - " : "",
typeName,
msDuration / 1000.0,
(avgBitRate + 500) / 1000,
timeScale);
else
snprintf(sInfo, 256,
"%u\taudio\t%s%s(%u), %.3f secs, %u kbps, %u Hz\n",
trackId,
MP4IsIsmaCrypMediaTrack(mp4File, trackId) ? "enca - " : "",
typeName,
type,
msDuration / 1000.0,
(avgBitRate + 500) / 1000,
timeScale);
return sInfo;
}
static char* PrintVideoInfo(
MP4FileHandle mp4File,
MP4TrackId trackId)
{
static const u_int8_t mpegVideoTypes[] = {
MP4_MPEG2_SIMPLE_VIDEO_TYPE, // 0x60
MP4_MPEG2_MAIN_VIDEO_TYPE, // 0x61
MP4_MPEG2_SNR_VIDEO_TYPE, // 0x62
MP4_MPEG2_SPATIAL_VIDEO_TYPE, // 0x63
MP4_MPEG2_HIGH_VIDEO_TYPE, // 0x64
MP4_MPEG2_442_VIDEO_TYPE, // 0x65
MP4_MPEG1_VIDEO_TYPE, // 0x6A
MP4_JPEG_VIDEO_TYPE, // 0x6C
MP4_YUV12_VIDEO_TYPE,
MP4_H263_VIDEO_TYPE,
MP4_H261_VIDEO_TYPE,
};
static const char* mpegVideoNames[] = {
"MPEG-2 Simple",
"MPEG-2 Main",
"MPEG-2 SNR",
"MPEG-2 Spatial",
"MPEG-2 High",
"MPEG-2 4:2:2",
"MPEG-1",
"JPEG",
"YUV12",
"H.263",
"H.261",
};
u_int8_t numMpegVideoTypes =
sizeof(mpegVideoTypes) / sizeof(u_int8_t);
bool foundTypeName = false;
const char* typeName = "Unknown";
const char *media_data_name;
char originalFormat[8];
char oformatbuffer[32];
originalFormat[0] = 0;
*oformatbuffer = 0;
uint8_t type = 0;
media_data_name = MP4GetTrackMediaDataName(mp4File, trackId);
// encv 264b
if (strcasecmp(media_data_name, "encv") == 0) {
if (MP4GetTrackMediaDataOriginalFormat(mp4File,
trackId,
originalFormat,
sizeof(originalFormat)) == false)
media_data_name = NULL;
}
char typebuffer[80];
if (media_data_name == NULL) {
typeName = "Unknown - no media data name";
foundTypeName = true;
} else if ((strcasecmp(media_data_name, "avc1") == 0) ||
(strcasecmp(originalFormat, "264b") == 0)) {
// avc
uint8_t profile, level;
char profileb[20], levelb[20];
if (MP4GetTrackH264ProfileLevel(mp4File, trackId,
&profile, &level)) {
if (profile == 66) {
strcpy(profileb, "Baseline");
} else if (profile == 77) {
strcpy(profileb, "Main");
} else if (profile == 88) {
strcpy(profileb, "Extended");
} else if (profile == 100) {
strcpy(profileb, "High");
} else if (profile == 110) {
strcpy(profileb, "High 10");
} else if (profile == 122) {
strcpy(profileb, "High 4:2:2");
} else if (profile == 144) {
strcpy(profileb, "High 4:4:4");
} else {
snprintf(profileb, 20, "Unknown Profile %x", profile);
}
switch (level) {
case 10: case 20: case 30: case 40: case 50:
snprintf(levelb, 20, "%u", level / 10);
break;
case 11: case 12: case 13:
case 21: case 22:
case 31: case 32:
case 41: case 42:
case 51:
snprintf(levelb, 20, "%u.%u", level / 10, level % 10);
break;
default:
snprintf(levelb, 20, "unknown level %x", level);
break;
}
if (originalFormat != NULL && originalFormat[0] != '\0')
snprintf(oformatbuffer, 32, "(%s) ", originalFormat);
snprintf(typebuffer, sizeof(typebuffer), "H264 %s%s@%s",
oformatbuffer, profileb, levelb);
typeName = typebuffer;
} else {
typeName = "H.264 - profile/level error";
}
foundTypeName = true;
} else if (strcasecmp(media_data_name, "s263") == 0) {
// 3gp h.263
typeName = "H.263";
foundTypeName = true;
} else if ((strcasecmp(media_data_name, "mp4v") == 0) ||
(strcasecmp(media_data_name, "encv") == 0)) {
// note encv might needs it's own field eventually.
type = MP4GetTrackEsdsObjectTypeId(mp4File, trackId);
if (type == MP4_MPEG4_VIDEO_TYPE) {
type = MP4GetVideoProfileLevel(mp4File, trackId);
typeName = Mpeg4VisualProfileName(type);
if (typeName == NULL) {
typeName = "MPEG-4 Unknown Profile";
} else {
foundTypeName = true;
}
} else {
for (u_int8_t i = 0; i < numMpegVideoTypes; i++) {
if (type == mpegVideoTypes[i]) {
typeName = mpegVideoNames[i];
foundTypeName = true;
break;
}
}
}
} else {
typeName = media_data_name;
foundTypeName = true; // we don't have a type value to display
}
MP4Duration trackDuration =
MP4GetTrackDuration(mp4File, trackId);
double msDuration =
UINT64_TO_DOUBLE(MP4ConvertFromTrackDuration(mp4File, trackId,
trackDuration, MP4_MSECS_TIME_SCALE));
u_int32_t avgBitRate =
MP4GetTrackBitRate(mp4File, trackId);
// Note not all mp4 implementations set width and height correctly
// The real answer can be buried inside the ES configuration info
u_int16_t width = MP4GetTrackVideoWidth(mp4File, trackId);
u_int16_t height = MP4GetTrackVideoHeight(mp4File, trackId);
double fps = MP4GetTrackVideoFrameRate(mp4File, trackId);
char *sInfo = (char*)MP4Malloc(256);
// type duration avgBitrate frameSize frameRate
if (foundTypeName) {
sprintf(sInfo,
"%u\tvideo\t%s%s, %.3f secs, %u kbps, %ux%u @ %f fps\n",
trackId,
MP4IsIsmaCrypMediaTrack(mp4File, trackId) ? "encv - " : "",
typeName,
msDuration / 1000.0,
(avgBitRate + 500) / 1000,
width,
height,
fps
);
} else {
sprintf(sInfo,
"%u\tvideo\t%s(%u), %.3f secs, %u kbps, %ux%u @ %f fps\n",
trackId,
typeName,
type,
msDuration / 1000.0,
(avgBitRate + 500) / 1000,
width,
height,
fps
);
}
return sInfo;
}
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;
}
static GtkWidget* CreateMp4TrackMenu(
GtkWidget* menu,
char type,
const char* source,
u_int32_t* pIndex,
u_int32_t* pNumber,
u_int32_t** ppValues)
{
*pIndex = 0;
u_int32_t newTrackNumber = 1;
MP4FileHandle mp4File = MP4Read(source);
char* trackType = NULL;
if (mp4File) {
if (type == 'V') {
trackType = MP4_VIDEO_TRACK_TYPE;
} else {
trackType = MP4_AUDIO_TRACK_TYPE;
}
newTrackNumber =
MP4GetNumberOfTracks(mp4File, trackType);
}
u_int32_t* newTrackValues =
(u_int32_t*)malloc(sizeof(u_int32_t) * newTrackNumber);
char** newTrackNames =
(char**)malloc(sizeof(char*) * newTrackNumber);
if (!mp4File) {
newTrackValues[0] = 0;
newTrackNames[0] = strdup("");
} else {
for (u_int8_t i = 0; i < newTrackNumber; i++) {
MP4TrackId trackId =
MP4FindTrackId(mp4File, i, trackType);
char* trackName = "Unknown";
char buf[64];
if (trackType == MP4_VIDEO_TRACK_TYPE) {
u_int8_t videoType =
MP4GetTrackEsdsObjectTypeId(mp4File,
trackId);
switch (videoType) {
case MP4_MPEG1_VIDEO_TYPE:
trackName = "MPEG1";
break;
case MP4_MPEG2_SIMPLE_VIDEO_TYPE:
case MP4_MPEG2_MAIN_VIDEO_TYPE:
case MP4_MPEG2_SNR_VIDEO_TYPE:
case MP4_MPEG2_SPATIAL_VIDEO_TYPE:
case MP4_MPEG2_HIGH_VIDEO_TYPE:
case MP4_MPEG2_442_VIDEO_TYPE:
trackName = "MPEG2";
break;
case MP4_MPEG4_VIDEO_TYPE:
trackName = "MPEG4";
break;
case MP4_YUV12_VIDEO_TYPE:
trackName = "YUV12";
break;
case MP4_H263_VIDEO_TYPE:
trackName = "H263";
break;
case MP4_H261_VIDEO_TYPE:
trackName = "H261";
break;
}
snprintf(buf, sizeof(buf),
"%u - %s %u x %u %.2f fps %u kbps",
trackId,
trackName,
MP4GetTrackVideoWidth(mp4File, trackId),
MP4GetTrackVideoHeight(mp4File, trackId),
MP4GetTrackVideoFrameRate(mp4File, trackId),
(MP4GetTrackBitRate(mp4File, trackId) + 500) / 1000);
} else { // audio
u_int8_t audioType =
MP4GetTrackEsdsObjectTypeId(mp4File,
trackId);
switch (audioType) {
case MP4_MPEG1_AUDIO_TYPE:
case MP4_MPEG2_AUDIO_TYPE:
trackName = "MPEG (MP3)";
break;
case MP4_MPEG2_AAC_MAIN_AUDIO_TYPE:
case MP4_MPEG2_AAC_LC_AUDIO_TYPE:
case MP4_MPEG2_AAC_SSR_AUDIO_TYPE:
case MP4_MPEG4_AUDIO_TYPE:
trackName = "AAC";
break;
case MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE:
trackName = "PCM16 LITTLE ENDIAN";
break;
case MP4_PCM16_BIG_ENDIAN_AUDIO_TYPE:
trackName = "PCM16 BIG ENDIAN";
case MP4_AC3_AUDIO_TYPE:
trackName = "AC3";
break;
case MP4_VORBIS_AUDIO_TYPE:
trackName = "Ogg Vorbis";
break;
case MP4_ALAW_AUDIO_TYPE:
trackName = "G711 aLaw";
break;
case MP4_ULAW_AUDIO_TYPE:
trackName = "G711 uLaw";
break;
}
snprintf(buf, sizeof(buf),
"%u - %s %u kbps",
trackId,
trackName,
(MP4GetTrackBitRate(mp4File, trackId) + 500) / 1000);
}
newTrackValues[i] = trackId;
newTrackNames[i] = strdup(buf);
}
MP4Close(mp4File);
}
// (re)create the menu
menu = CreateOptionMenu(
menu,
newTrackNames,
newTrackNumber,
*pIndex,
GTK_SIGNAL_FUNC(on_track_menu_activate));
// free up old names
for (u_int8_t i = 0; i < *pNumber; i++) {
free(trackNames[i]);
}
free(trackNames);
free(*ppValues);
*pNumber = newTrackNumber;
trackNames = newTrackNames;
*ppValues = newTrackValues;
return menu;
}
DWORD MP4Streamer::GetVideoBitrate()
{
return MP4GetTrackBitRate(video->mp4,video->track);
}
