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Python Audio Tools 2.10 (Default branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News Python Audio Tools 2.10 (Default branch)
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Old 11-19-2008
Python Audio Tools 2.10 (Default branch)
Image Python Audio Tools is a collection of audio handling programs that work from the command line. These include programs for CD extraction, track conversion from one audio format to another, track renaming and retagging, track identification, CD burning from tracks, and more. It supports internationalized track filenames and metadata using Unicode. It works with high-definition, multi-channel audio as well as CD-quality. Track conversion uses multiple CPUs or CPU cores if available to greatly speed the transcoding process. Track metadata can be retrieved from FreeDB or FreeDB-compatible servers. Audio formats supported are WAV, FLAC, WavPack, MP3, Ogg Vorbis, M4A, and more. License: GNU General Public License v2 Changes:
Support was added for several additional track metadata fields. A program was included for identifying and fixing common metadata problems such as trailing whitespace or empty fields. MP3 encoding was updated to use LAME's 0-9 quality setting instead of named presets. A build error on Mac OS X was fixed. Image

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LEARN ABOUT CENTOS

afgetdataoffset

AFGETFRAMECOUNT(3)														AFGETFRAMECOUNT(3)

NAME

       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 handle created by a previous call to afOpenFile(3).

       track is an integer which specifies an audio track within file. All supported file formats contain exactly one audio track per file, so the
       constant AF_DEFAULT_TRACK should always be used.

DESCRIPTION

       afGetFrameCount returns the total number of sample frames contained within the specified track of the specified file.

       Each sample frame of audio consists of a fixed number of samples (equal to the number of audio channels in the track. For monaural data, a
       sample frame consists of one audio sample. For stereophonic data, a sample frame consists of a stereo pair.

       afGetTrackBytes returns the total number of bytes of raw audio data (i.e., prior to decompression or conversion) in the track.

       afGetDataOffset returns the offset in bytes of the start of the audio data contained within the specified track of the specified file.

RETURN VALUE

       afGetFrameCount returns the total number of sample frames in track.

       afGetTrackBytes returns the total number of bytes of audio data in track.

       afGetDataOffset returns the offset in bytes to the beginning of the audio data in track.

       Each of these routines returns -1 in case of error.

AUTHOR

       Michael Pruett <michael@68k.org>

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