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);Parametersfile is a valid audio file handle created by afOpenFile(3). track identifies an audio track within the file. track is always AF_DEFAULT_TRACK for all currently supported…
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);DescriptionafReadMisc reads up to nbytes from the miscellaneous data chunk identified by miscid in file. afWriteMisc writes…
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);DescriptionafReadFrames attempts to read up to count frames of audio data from the audio file handle file into the buffer at data. Parametersfile is a valid file handle returned by afOpenFile(3). track is always…
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 querytype, int arg1, int arg2,…
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 querytype, int arg1, int arg2,…
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 querytype, int arg1, int arg2,…
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 querytype, int arg1, int arg2,…
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);Parameterspath is the path to the file to be opened. mode specifies a mode for opening the file: "r" for reading or "w" for writing….
afNewFileSetup – create and initialize a new AFfilesetup structure Synopsis#include <audiofile.h>AFfilesetup afNewFileSetup(void);Return ValueafNewFileSetup returns, upon success, a valid AFfilesetup structure. Upon failure, afNewFileSetup returns a null AFfilesetup. This case should only occur when no memory is available. DescriptionThe opaque AFfilesetup structure returned by afNewFileSetup can be used to specify parameters for a file to be…
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);Parameterssetup is a valid file setup returned by…
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);Parameterssetup is a valid file setup returned by…
afInitFileFormat – initialize file format of an audio file setup Synopsis#include <audiofile.h>void afInitFileFormat(AFfilesetup setup, int fileFormat);Parameterssetup is a valid file setup created by afNewFileSetup(3). fileFormat is an integer constant specifying a file format. DescriptionGiven an AFfilesetup structure created with afNewFileSetup(3), afInitFileFormat initializes the file format to that specified by fileFormat. The following file formats are…
afInitCompression – initialize compression for a track in an audio file setup Synopsis#include <audiofile.h>void afInitCompression(AFfilesetup setup, int track, int compression);Parameterssetup 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 specifying the compression type…
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);Parameterssetup is a valid file setup returned by…
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);Parameterssetup is a valid file setup returned by…
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);Parameterssetup 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. willHaveData is a…
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);Parameterssetup 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. willHaveData is a…
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);Parametersfile is an audio file handle created by a previous call…
afGetFrameSize – calculate the frame size in bytes for an audio track Synopsis#include <audiofile.h>float afGetFrameSize (AFfilehandle file, int track, int expand3to4);Parametersfile 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 audio track within a…
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);Parametersfile is an audio file handle created by a previous call…