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80 lines
2.3 KiB
80 lines
2.3 KiB
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<title>Vorbisfile - datatype - vorbis_info</title> |
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<td><p class=tiny>Vorbisfile documentation</p></td> |
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<td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> |
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<h1>vorbis_info</h1> |
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<p><i>declared in "vorbis/codec.h"</i></p> |
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The vorbis_info structure contains basic information about the audio in a vorbis bitstream. |
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<pre><b>typedef struct vorbis_info{ |
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int version; |
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int channels; |
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long rate; |
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long bitrate_upper; |
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long bitrate_nominal; |
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long bitrate_lower; |
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long bitrate_window; |
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void *codec_setup; |
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} vorbis_info;</b></pre> |
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<h3>Relevant Struct Members</h3> |
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<dl> |
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<dt><i>version</i></dt> |
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<dd>Vorbis encoder version used to create this bitstream.</dd> |
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<dt><i>channels</i></dt> |
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<dd>Int signifying number of channels in bitstream.</dd> |
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<dt><i>rate</i></dt> |
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<dd>Sampling rate of the bitstream.</dd> |
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<dt><i>bitrate_upper</i></dt> |
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<dd>Specifies the upper limit in a VBR bitstream. If the value matches the bitrate_nominal and bitrate_lower parameters, the stream is fixed bitrate. May be unset if no limit exists.</dd> |
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<dt><i>bitrate_nominal</i></dt> |
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<dd>Specifies the average bitrate for a VBR bitstream. May be unset. If the bitrate_upper and bitrate_lower parameters match, the stream is fixed bitrate.</dd> |
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<dt><i>bitrate_lower</i></dt> |
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<dd>Specifies the lower limit in a VBR bitstream. If the value matches the bitrate_nominal and bitrate_upper parameters, the stream is fixed bitrate. May be unset if no limit exists.</dd> |
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<dt><i>bitrate_window</i></dt> |
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<dd>Currently unset.</dd> |
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<dt><i>codec_setup</i></dt> |
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<dd>Internal structure that contains the detailed/unpacked configuration for decoding the current Vorbis bitstream.</dd> |
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</dl> |
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<br><br> |
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<hr noshade> |
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<td><p class=tiny>copyright © 2007 Xiph.org</p></td> |
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<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td> |
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</tr><tr> |
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<td><p class=tiny>Vorbisfile documentation</p></td> |
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<td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> |
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