afSeekFrame, afTellFrame – update or access the current sample frame position for a track in an audio file Synopsis #include <audiofile.h> AFframecount afSeekFrame(AFfilehandle file, int track, AFframecount frameOffset); AFframecount afTellFrame(AFfilehandle file, int track); Parameters file is a valid audio file handle created by afOpenFile(3). track identifies an audio track within the file. track is always…
afReadMisc, afWriteMisc, afSeekMisc – access miscellaneous metadata in an audio file Synopsis #include <audiofile.h> int afReadMisc (AFfilehandle file, int miscid, void *buffer, int nbytes); int afWriteMisc (AFfilehandle file, int miscid, const void *buffer, int nbytes); int afSeekMisc (AFfilehandle file, int miscid, int offbytes); Description afReadMisc reads up to nbytes from the miscellaneous data chunk identified…
afReadFrames – read sample frames from a track in an audio file Synopsis #include <audiofile.h> AFframecount afReadFrames(AFfilehandle file, int track, void *data, int count); Description afReadFrames attempts to read up to count frames of audio data from the audio file handle file into the buffer at data. Parameters file is a valid file handle returned…
afQuery, afQueryLong, afQueryDouble, afQueryPointer – query the capabilities of the Audio File Library Synopsis #include <audiofile.h> AUpvlist afQuery (int querytype, int arg1, int arg2, int arg3, int arg4); long afQueryLong (int querytype, int arg1, int arg2, int arg3, int arg4); double afQueryDouble (int querytype, int arg1, int arg2, int arg3, int arg4); void *afQueryPointer (int…
afQuery, afQueryLong, afQueryDouble, afQueryPointer – query the capabilities of the Audio File Library Synopsis #include <audiofile.h> AUpvlist afQuery (int querytype, int arg1, int arg2, int arg3, int arg4); long afQueryLong (int querytype, int arg1, int arg2, int arg3, int arg4); double afQueryDouble (int querytype, int arg1, int arg2, int arg3, int arg4); void *afQueryPointer (int…
afQuery, afQueryLong, afQueryDouble, afQueryPointer – query the capabilities of the Audio File Library Synopsis #include <audiofile.h> AUpvlist afQuery (int querytype, int arg1, int arg2, int arg3, int arg4); long afQueryLong (int querytype, int arg1, int arg2, int arg3, int arg4); double afQueryDouble (int querytype, int arg1, int arg2, int arg3, int arg4); void *afQueryPointer (int…
afQuery, afQueryLong, afQueryDouble, afQueryPointer – query the capabilities of the Audio File Library Synopsis #include <audiofile.h> AUpvlist afQuery (int querytype, int arg1, int arg2, int arg3, int arg4); long afQueryLong (int querytype, int arg1, int arg2, int arg3, int arg4); double afQueryDouble (int querytype, int arg1, int arg2, int arg3, int arg4); void *afQueryPointer (int…
afOpenFile – open an audio file and create a file handle structure used for subsequent calls to the Audio File Library Synopsis #include <audiofile.h> AFfilehandle afOpenFile(const char *path, const char *mode, AFfilesetup setup); Parameters path is the path to the file to be opened. mode specifies a mode for opening the file: "r" for reading…
afNewFileSetup – create and initialize a new AFfilesetup structure Synopsis #include <audiofile.h> AFfilesetup afNewFileSetup(void); Return Value afNewFileSetup returns, upon success, a valid AFfilesetup structure. Upon failure, afNewFileSetup returns a null AFfilesetup. This case should only occur when no memory is available. Description The opaque AFfilesetup structure returned by afNewFileSetup can be used to specify parameters…
afInitSampleFormat, afInitByteOrder, afInitChannels, afInitRate – initialize audio data format for a track in an audio file setup Synopsis #include <audiofile.h> void afInitSampleFormat(AFfilesetup setup, int track, int sampleFormat, int sampleWidth); void afInitByteOrder(AFfilesetup setup, int track, int byteOrder); void afInitChannels(AFfilesetup setup, int track, int channels); void afInitRate(AFfilesetup setup, int track, double rate); Parameters setup is a valid…
afInitSampleFormat, afInitByteOrder, afInitChannels, afInitRate – initialize audio data format for a track in an audio file setup Synopsis #include <audiofile.h> void afInitSampleFormat(AFfilesetup setup, int track, int sampleFormat, int sampleWidth); void afInitByteOrder(AFfilesetup setup, int track, int byteOrder); void afInitChannels(AFfilesetup setup, int track, int channels); void afInitRate(AFfilesetup setup, int track, double rate); Parameters setup is a valid…
afInitFileFormat – initialize file format of an audio file setup Synopsis #include <audiofile.h> void afInitFileFormat(AFfilesetup setup, int fileFormat); Parameters setup is a valid file setup created by afNewFileSetup(3). fileFormat is an integer constant specifying a file format. Description Given an AFfilesetup structure created with afNewFileSetup(3), afInitFileFormat initializes the file format to that specified by fileFormat….
afInitCompression – initialize compression for a track in an audio file setup Synopsis #include <audiofile.h> void afInitCompression(AFfilesetup setup, int track, int compression); Parameters setup is a valid file setup returned by afNewFileSetup(3). track specifies a track within the audio file setup. track is always AF_DEFAULT_TRACK for all currently supported file formats. compression is an identifier…
afInitSampleFormat, afInitByteOrder, afInitChannels, afInitRate – initialize audio data format for a track in an audio file setup Synopsis #include <audiofile.h> void afInitSampleFormat(AFfilesetup setup, int track, int sampleFormat, int sampleWidth); void afInitByteOrder(AFfilesetup setup, int track, int byteOrder); void afInitChannels(AFfilesetup setup, int track, int channels); void afInitRate(AFfilesetup setup, int track, double rate); Parameters setup is a valid…
afInitSampleFormat, afInitByteOrder, afInitChannels, afInitRate – initialize audio data format for a track in an audio file setup Synopsis #include <audiofile.h> void afInitSampleFormat(AFfilesetup setup, int track, int sampleFormat, int sampleWidth); void afInitByteOrder(AFfilesetup setup, int track, int byteOrder); void afInitChannels(AFfilesetup setup, int track, int channels); void afInitRate(AFfilesetup setup, int track, double rate); Parameters setup is a valid…
afInitAESChannelDataTo, afInitAESChannelData – initialize AES non-audio data in an audio file setup Synopsis #include <audiofile.h> void afInitAESChannelDataTo(AFfilesetup setup, int track, int willHaveData); void afInitAESChannelData(AFfilesetup setup, int track); Parameters setup is a valid file setup returned by afNewFileSetup(3). track specifies a track within the audio file setup. track is always AF_DEFAULT_TRACK for all currently supported file…
afInitAESChannelDataTo, afInitAESChannelData – initialize AES non-audio data in an audio file setup Synopsis #include <audiofile.h> void afInitAESChannelDataTo(AFfilesetup setup, int track, int willHaveData); void afInitAESChannelData(AFfilesetup setup, int track); Parameters setup is a valid file setup returned by afNewFileSetup(3). track specifies a track within the audio file setup. track is always AF_DEFAULT_TRACK for all currently supported file…
afGetFrameCount, afGetTrackBytes, afGetDataOffset – get the total sample frame count, length of audio track in bytes, offset of the audio track for a track in an audio file Synopsis #include <audiofile.h> AFframecount afGetFrameCount (AFfilehandle file, int track); AFfileoffset afGetTrackBytes (AFfilehandle file, int track); AFfileoffset afGetDataOffset (AFfilehandle file, int track); Parameters file is an audio file…
afGetFrameSize – calculate the frame size in bytes for an audio track Synopsis #include <audiofile.h> float afGetFrameSize (AFfilehandle file, int track, int expand3to4); Parameters file is a valid AFfilehandle. track is an integer which refers to a specific audio track in the file. At present no supported audio file format allows for more than one…
afGetFrameCount, afGetTrackBytes, afGetDataOffset – get the total sample frame count, length of audio track in bytes, offset of the audio track for a track in an audio file Synopsis #include <audiofile.h> AFframecount afGetFrameCount (AFfilehandle file, int track); AFfileoffset afGetTrackBytes (AFfilehandle file, int track); AFfileoffset afGetDataOffset (AFfilehandle file, int track); Parameters file is an audio file…