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afinitcompression(3) [centos man page]

AFINITBYTEORDER(3)														AFINITBYTEORDER(3)

NAME

       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 specifying the compression type (such as AF_COMPRESSION_G711_ULAW) to be used for audio data in the track.

DESCRIPTION

       Given an AFfilesetup structure created with afNewFileSetup(3) and a track identified by track (AF_DEFAULT_TRACK for all currently supported
       file formats), afInitCompression initializes the track to the specified compression.

       The following compression types are currently supported:

       AF_COMPRESSION_NONE
	   no compression

       AF_COMPRESSION_G711_ULAW
	   CCITT G.711 mu-law encoding

       AF_COMPRESSION_G711_ALAW
	   CCITT G.711 A-law encoding

       AF_COMPRESSION_IMA
	   IMA ADPCM encoding

       AF_COMPRESSION_MS_ADPCM
	   MS ADPCM encoding

       AF_COMPRESSION_FLAC
	   FLAC

       AF_COMPRESSION_ALAC
	   Apple Lossless Audio Codec

ERRORS

       afInitCompression can produce the following errors:

       AF_BAD_FILESETUP

	   setup represents an invalid file setup.

       AF_BAD_TRACKID

	   track represents an invalid track identifier.

       AF_BAD_COMPTYPE

	   compression represents an invalid compression type.

SEE ALSO

       afNewFileSetup(3), afInitSampleFormat(3)

AUTHOR

       Michael Pruett <michael@68k.org>

Audio File Library 0.3.6					    03/06/2013							AFINITBYTEORDER(3)

Check Out this Related Man Page

AFINITAESCHANNELDATA(3) 												   AFINITAESCHANNELDATA(3)

NAME

       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 formats.

       willHaveData is a boolean-valued integer indicating whether AES non-audio data will be present.

DESCRIPTION

       Given an AFfilesetup structure created with afNewFileSetup(3) and a track identified by track (AF_DEFAULT_TRACK for all currently supported
       file formats), afInitAESChannelDataTo initializes the track to contain or not contain AES non-audio data. afInitAESChannelData behaves
       similarly but always initializes the track to contain AES non-audio data.

       Currently only AIFF and AIFF-C file formats can store AES non-audio data; this data is ignored in all other file formats.

ERRORS

       afInitAESChannelDataTo and afInitAESChannelData can produce the following errors:

       AF_BAD_FILESETUP

	   setup represents an invalid file setup.

       AF_BAD_TRACKID

	   track represents an invalid track identifier.

SEE ALSO

       afNewFileSetup(3)

AUTHOR

       Michael Pruett <michael@68k.org>

Audio File Library 0.3.6					    03/06/2013						   AFINITAESCHANNELDATA(3)
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