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<head>
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<title>libvorbisenc - function - vorbis_encode_setup_managed</title>
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<link rel=stylesheet href="style.css" type="text/css">
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</head>
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<body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
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libvorbisenc documentation
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libvorbisenc version 1.3.2 - 20101101
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vorbis_encode_setup_managed
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declared in "vorbis/vorbisenc.h";
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This function performs step-one of a three-step bitrate-managed
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encode setup. It functions similarly to the one-step setup performed
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by vorbis_encode_init() but
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allows an application to make further encode setup tweaks using
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href="vorbis_encode_ctl.html">vorbis_encode_ctl() before finally
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calling
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href="vorbis_encode_setup_init.html">vorbis_encode_setup_init() to
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complete the setup process.
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Before this function is called, the
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href="../libvorbis/vorbis_info.html">vorbis_info struct should be initialized
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by using vorbis_info_init() from the libvorbis API. After encoding,
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vorbis_info_clear should be called.
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The max_bitrate, nominal_bitrate, and min_bitrate settings are used
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to set constraints for the encoded file. This function uses these
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settings to select the appropriate encoding mode and set it up.
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extern int vorbis_encode_init(vorbis_info *vi,
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long channels,
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long rate,
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long max_bitrate,
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long nominal_bitrate,
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long min_bitrate);
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Parameters
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vi
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Pointer to an initialized vorbis_info struct.
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channels
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The number of channels to be encoded.
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rate
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The sampling rate of the source audio.
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max_bitrate
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Desired maximum bitrate (limit). -1 indicates unset.
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nominal_bitrate
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Desired average, or central, bitrate. -1 indicates unset.
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min_bitrate
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Desired minimum bitrate. -1 indicates unset.
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Return Values
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0 for success
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less than zero for failure:
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OV_EFAULT - Internal logic fault; indicates a bug or heap/stack corruption.
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OV_EINVAL - Invalid setup request, eg, out of range argument.
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OV_EIMPL - Unimplemented mode; unable to comply with bitrate request.
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copyright © 2000-2010 Xiph.Org
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Ogg Vorbis
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libvorbisenc documentation
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libvorbisenc version 1.3.2 - 20101101
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</body>
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</html>
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