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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_DE- FAULT_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 for- mats), afInitCompression initializes the track to the specified compres- sion. 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)
NAME | SYNOPSIS | PARAMETERS | DESCRIPTION | ERRORS | SEE ALSO | AUTHOR
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