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 <span id="projectnumber">1.1.1</span>
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<div class="title">theora_info Struct Reference<div class="ingroups"><a class="el" href="group__oldfuncs.html">Legacy pre-1.0 C API</a></div></div> </div>
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<p>Theora bitstream info.
<a href="structtheora__info.html#details">More...</a></p>
<p><code>#include <<a class="el" href="theora_8h_source.html">theora.h</a>></code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:a17c2fc651bb3329f1ea6b13ff1d3957b"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a17c2fc651bb3329f1ea6b13ff1d3957b">width</a></td></tr>
<tr class="memdesc:a17c2fc651bb3329f1ea6b13ff1d3957b"><td class="mdescLeft"> </td><td class="mdescRight">encoded frame width <a href="#a17c2fc651bb3329f1ea6b13ff1d3957b"></a><br/></td></tr>
<tr class="memitem:ae6f0274fc4a7f285c422d91abb35f9c6"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#ae6f0274fc4a7f285c422d91abb35f9c6">height</a></td></tr>
<tr class="memdesc:ae6f0274fc4a7f285c422d91abb35f9c6"><td class="mdescLeft"> </td><td class="mdescRight">encoded frame height <a href="#ae6f0274fc4a7f285c422d91abb35f9c6"></a><br/></td></tr>
<tr class="memitem:a8f28f4018a25634d40e4ae861fbbccfa"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a8f28f4018a25634d40e4ae861fbbccfa">frame_width</a></td></tr>
<tr class="memdesc:a8f28f4018a25634d40e4ae861fbbccfa"><td class="mdescLeft"> </td><td class="mdescRight">display frame width <a href="#a8f28f4018a25634d40e4ae861fbbccfa"></a><br/></td></tr>
<tr class="memitem:a287e4c194f1d2e6deb39d59f1748ea48"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a287e4c194f1d2e6deb39d59f1748ea48">frame_height</a></td></tr>
<tr class="memdesc:a287e4c194f1d2e6deb39d59f1748ea48"><td class="mdescLeft"> </td><td class="mdescRight">display frame height <a href="#a287e4c194f1d2e6deb39d59f1748ea48"></a><br/></td></tr>
<tr class="memitem:af5949a02bef29512f2705e6f6c944e3b"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#af5949a02bef29512f2705e6f6c944e3b">offset_x</a></td></tr>
<tr class="memdesc:af5949a02bef29512f2705e6f6c944e3b"><td class="mdescLeft"> </td><td class="mdescRight">horizontal offset of the displayed frame <a href="#af5949a02bef29512f2705e6f6c944e3b"></a><br/></td></tr>
<tr class="memitem:a91c3922097ba32a85acd584a01dc2c93"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a91c3922097ba32a85acd584a01dc2c93">offset_y</a></td></tr>
<tr class="memdesc:a91c3922097ba32a85acd584a01dc2c93"><td class="mdescLeft"> </td><td class="mdescRight">vertical offset of the displayed frame <a href="#a91c3922097ba32a85acd584a01dc2c93"></a><br/></td></tr>
<tr class="memitem:a3478199aa5ab213816c1819f70085ad7"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a3478199aa5ab213816c1819f70085ad7">fps_numerator</a></td></tr>
<tr class="memdesc:a3478199aa5ab213816c1819f70085ad7"><td class="mdescLeft"> </td><td class="mdescRight">frame rate numerator <a href="#a3478199aa5ab213816c1819f70085ad7"></a><br/></td></tr>
<tr class="memitem:a9aa7e826e0323a4ae8cd8646a6cfbfea"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a9aa7e826e0323a4ae8cd8646a6cfbfea">fps_denominator</a></td></tr>
<tr class="memdesc:a9aa7e826e0323a4ae8cd8646a6cfbfea"><td class="mdescLeft"> </td><td class="mdescRight">frame rate denominator <a href="#a9aa7e826e0323a4ae8cd8646a6cfbfea"></a><br/></td></tr>
<tr class="memitem:a5a3ed8c79815fba1aa06c3f7d8e48b35"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a5a3ed8c79815fba1aa06c3f7d8e48b35">aspect_numerator</a></td></tr>
<tr class="memdesc:a5a3ed8c79815fba1aa06c3f7d8e48b35"><td class="mdescLeft"> </td><td class="mdescRight">pixel aspect ratio numerator <a href="#a5a3ed8c79815fba1aa06c3f7d8e48b35"></a><br/></td></tr>
<tr class="memitem:afebc4d0cbfb34b68c833a8c79e83ae12"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#afebc4d0cbfb34b68c833a8c79e83ae12">aspect_denominator</a></td></tr>
<tr class="memdesc:afebc4d0cbfb34b68c833a8c79e83ae12"><td class="mdescLeft"> </td><td class="mdescRight">pixel aspect ratio denominator <a href="#afebc4d0cbfb34b68c833a8c79e83ae12"></a><br/></td></tr>
<tr class="memitem:a5eaba99c96706d47b426ab7b7602dc5d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__oldfuncs.html#gaa567da4ce591f7373149ce3ef3acdac9">theora_colorspace</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a5eaba99c96706d47b426ab7b7602dc5d">colorspace</a></td></tr>
<tr class="memdesc:a5eaba99c96706d47b426ab7b7602dc5d"><td class="mdescLeft"> </td><td class="mdescRight">colorspace <a href="#a5eaba99c96706d47b426ab7b7602dc5d"></a><br/></td></tr>
<tr class="memitem:a0cfba041767ae2416dd190a406afe713"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a0cfba041767ae2416dd190a406afe713">target_bitrate</a></td></tr>
<tr class="memdesc:a0cfba041767ae2416dd190a406afe713"><td class="mdescLeft"> </td><td class="mdescRight">nominal bitrate in bits per second <a href="#a0cfba041767ae2416dd190a406afe713"></a><br/></td></tr>
<tr class="memitem:a71a4748a5f31bd58d0e403b7806c980d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a71a4748a5f31bd58d0e403b7806c980d">quality</a></td></tr>
<tr class="memdesc:a71a4748a5f31bd58d0e403b7806c980d"><td class="mdescLeft"> </td><td class="mdescRight">Nominal quality setting, 0-63. <a href="#a71a4748a5f31bd58d0e403b7806c980d"></a><br/></td></tr>
<tr class="memitem:a2dfae4fd175dbd19254eaf0697778ff5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a2dfae4fd175dbd19254eaf0697778ff5">quick_p</a></td></tr>
<tr class="memdesc:a2dfae4fd175dbd19254eaf0697778ff5"><td class="mdescLeft"> </td><td class="mdescRight">Quick encode/decode. <a href="#a2dfae4fd175dbd19254eaf0697778ff5"></a><br/></td></tr>
<tr class="memitem:a7c5ebb9e6700aaef87f29f7c6074e474"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a7c5ebb9e6700aaef87f29f7c6074e474">version_major</a></td></tr>
<tr class="memitem:a75eda4f30270d833c7b9dba43932a06a"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a75eda4f30270d833c7b9dba43932a06a">version_minor</a></td></tr>
<tr class="memitem:aa07967ecd6e20bd2928ead42b6397b3d"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#aa07967ecd6e20bd2928ead42b6397b3d">version_subminor</a></td></tr>
<tr class="memitem:a719a1d77a4a3bfeab79aa5747dbbb04c"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a719a1d77a4a3bfeab79aa5747dbbb04c">codec_setup</a></td></tr>
<tr class="memitem:af294db65a8363a0bcf43f4727763b291"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#af294db65a8363a0bcf43f4727763b291">dropframes_p</a></td></tr>
<tr class="memitem:a23648173369174f687085c0ce85ef30e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a23648173369174f687085c0ce85ef30e">keyframe_auto_p</a></td></tr>
<tr class="memitem:a03e1b3e337af5f9dabaaaeb9050f145a"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a03e1b3e337af5f9dabaaaeb9050f145a">keyframe_frequency</a></td></tr>
<tr class="memitem:ad9d2e22c44a53473010e6d1042dfe0d8"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#ad9d2e22c44a53473010e6d1042dfe0d8">keyframe_frequency_force</a></td></tr>
<tr class="memitem:a588942d1ee90a26a7effdf6a0e98b9ce"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a588942d1ee90a26a7effdf6a0e98b9ce">keyframe_data_target_bitrate</a></td></tr>
<tr class="memitem:a95cb8958e29ad3d24047ee8f9e7fd99b"><td class="memItemLeft" align="right" valign="top">ogg_int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a95cb8958e29ad3d24047ee8f9e7fd99b">keyframe_auto_threshold</a></td></tr>
<tr class="memitem:aa79ca8c0e77a884d4487fd627fae32e9"><td class="memItemLeft" align="right" valign="top">ogg_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#aa79ca8c0e77a884d4487fd627fae32e9">keyframe_mindistance</a></td></tr>
<tr class="memitem:ac4789034f547b57d1075e035050eeed9"><td class="memItemLeft" align="right" valign="top">ogg_int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#ac4789034f547b57d1075e035050eeed9">noise_sensitivity</a></td></tr>
<tr class="memitem:a3fb695de2b2f56dd0203b9e2eb0df1cc"><td class="memItemLeft" align="right" valign="top">ogg_int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a3fb695de2b2f56dd0203b9e2eb0df1cc">sharpness</a></td></tr>
<tr class="memitem:a65ab4376ab5242ee82e06c78fb7008ab"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__oldfuncs.html#gae169da05bfaaf4e964a6866552d45079">theora_pixelformat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structtheora__info.html#a65ab4376ab5242ee82e06c78fb7008ab">pixelformat</a></td></tr>
<tr class="memdesc:a65ab4376ab5242ee82e06c78fb7008ab"><td class="mdescLeft"> </td><td class="mdescRight">chroma subsampling mode to expect <a href="#a65ab4376ab5242ee82e06c78fb7008ab"></a><br/></td></tr>
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<a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Theora bitstream info. </p>
<p>Contains the basic playback parameters for a stream, corresponding to the initial 'info' header packet.</p>
<p>Encoded theora frames must be a multiple of 16 in width and height. To handle other frame sizes, a crop rectangle is specified in frame_height and frame_width, offset_x and * offset_y. The offset and size should still be a multiple of 2 to avoid chroma sampling shifts. Offset values in this structure are measured from the upper left of the image.</p>
<p>Frame rate, in frames per second, is stored as a rational fraction. Aspect ratio is also stored as a rational fraction, and refers to the aspect ratio of the frame pixels, not of the overall frame itself.</p>
<p>See <a href="http://svn.xiph.org/trunk/theora/examples/encoder_example.c">examples/encoder_example.c</a> for usage examples of the other paramters and good default settings for the encoder parameters. </p>
</div><h2>Field Documentation</h2>
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<p>pixel aspect ratio denominator </p>
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<p>pixel aspect ratio numerator </p>
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<td class="memname"><a class="el" href="group__oldfuncs.html#gaa567da4ce591f7373149ce3ef3acdac9">theora_colorspace</a> theora_info::colorspace</td>
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<p>colorspace </p>
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<p>frame rate denominator </p>
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<p>frame rate numerator </p>
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<p>display frame height </p>
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<p>display frame width </p>
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<p>encoded frame height </p>
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<p>horizontal offset of the displayed frame </p>
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<p>vertical offset of the displayed frame </p>
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<td class="memname"><a class="el" href="group__oldfuncs.html#gae169da05bfaaf4e964a6866552d45079">theora_pixelformat</a> theora_info::pixelformat</td>
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<p>chroma subsampling mode to expect </p>
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<td class="memname">int theora_info::quality</td>
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<p>Nominal quality setting, 0-63. </p>
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<td class="memname">int theora_info::quick_p</td>
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<p>Quick encode/decode. </p>
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<td class="memname">ogg_int32_t theora_info::sharpness</td>
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<td class="memname">int theora_info::target_bitrate</td>
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<p>nominal bitrate in bits per second </p>
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<td class="memname">unsigned char theora_info::version_major</td>
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<td class="memname">unsigned char theora_info::version_minor</td>
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<td class="memname">unsigned char theora_info::version_subminor</td>
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<p>encoded frame width </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="theora_8h_source.html">theora.h</a></li>
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