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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>WebM VP8 Codec SDK: WebM VP8 Encoder</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">WebM VP8 Codec SDK </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#files">Files</a> | <a href="#nested-classes">Data Structures</a> | <a href="#define-members">Macros</a> | <a href="#typedef-members">Typedefs</a> | <a href="#enum-members">Enumerations</a> </div> <div class="headertitle"> <div class="title">WebM VP8 Encoder<div class="ingroups"><a class="el" href="group__vp8.html">VP8</a></div></div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="files"></a> Files</h2></td></tr> <tr class="memitem:vp8cx_8h"><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="vp8cx_8h.html">vp8cx.h</a></td></tr> <tr class="memdesc:vp8cx_8h"><td class="mdescLeft"> </td><td class="mdescRight">Provides definitions for using the VP8 encoder algorithm within the vpx Codec Interface. <br/></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Data Structures</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html">vpx_roi_map</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">vpx region of interest map <a href="structvpx__roi__map.html#details">More...</a><br/></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__active__map.html">vpx_active_map</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">vpx active region map <a href="structvpx__active__map.html#details">More...</a><br/></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__scaling__mode.html">vpx_scaling_mode</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">vpx image scaling mode <a href="structvpx__scaling__mode.html#details">More...</a><br/></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__svc__parameters.html">vpx_svc_parameters</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">vp9 svc parameters <a href="structvpx__svc__parameters.html#details">More...</a><br/></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:gafb51c67e5743275146bc1fc425727da3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#gafb51c67e5743275146bc1fc425727da3">VP8_EFLAG_NO_REF_LAST</a>   (1<<16)</td></tr> <tr class="memdesc:gafb51c67e5743275146bc1fc425727da3"><td class="mdescLeft"> </td><td class="mdescRight">Don't reference the last frame. <a href="#gafb51c67e5743275146bc1fc425727da3">More...</a><br/></td></tr> <tr class="separator:gafb51c67e5743275146bc1fc425727da3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gabb5e95343a2738abef44eca13059da33"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#gabb5e95343a2738abef44eca13059da33">VP8_EFLAG_NO_REF_GF</a>   (1<<17)</td></tr> <tr class="memdesc:gabb5e95343a2738abef44eca13059da33"><td class="mdescLeft"> </td><td class="mdescRight">Don't reference the golden frame. <a href="#gabb5e95343a2738abef44eca13059da33">More...</a><br/></td></tr> <tr class="separator:gabb5e95343a2738abef44eca13059da33"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga650ab0baea12be91082226a5cc18776a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga650ab0baea12be91082226a5cc18776a">VP8_EFLAG_NO_REF_ARF</a>   (1<<21)</td></tr> <tr class="memdesc:ga650ab0baea12be91082226a5cc18776a"><td class="mdescLeft"> </td><td class="mdescRight">Don't reference the alternate reference frame. <a href="#ga650ab0baea12be91082226a5cc18776a">More...</a><br/></td></tr> <tr class="separator:ga650ab0baea12be91082226a5cc18776a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga602edb6b02a89cb2db7a16d6dffba583"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga602edb6b02a89cb2db7a16d6dffba583">VP8_EFLAG_NO_UPD_LAST</a>   (1<<18)</td></tr> <tr class="memdesc:ga602edb6b02a89cb2db7a16d6dffba583"><td class="mdescLeft"> </td><td class="mdescRight">Don't update the last frame. <a href="#ga602edb6b02a89cb2db7a16d6dffba583">More...</a><br/></td></tr> <tr class="separator:ga602edb6b02a89cb2db7a16d6dffba583"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab01d066c5236457d345ce1cab4c41d6b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#gab01d066c5236457d345ce1cab4c41d6b">VP8_EFLAG_NO_UPD_GF</a>   (1<<22)</td></tr> <tr class="memdesc:gab01d066c5236457d345ce1cab4c41d6b"><td class="mdescLeft"> </td><td class="mdescRight">Don't update the golden frame. <a href="#gab01d066c5236457d345ce1cab4c41d6b">More...</a><br/></td></tr> <tr class="separator:gab01d066c5236457d345ce1cab4c41d6b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1cff46a5287e73a620660030d40b9e6c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga1cff46a5287e73a620660030d40b9e6c">VP8_EFLAG_NO_UPD_ARF</a>   (1<<23)</td></tr> <tr class="memdesc:ga1cff46a5287e73a620660030d40b9e6c"><td class="mdescLeft"> </td><td class="mdescRight">Don't update the alternate reference frame. <a href="#ga1cff46a5287e73a620660030d40b9e6c">More...</a><br/></td></tr> <tr class="separator:ga1cff46a5287e73a620660030d40b9e6c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gacb64c00adcb361f72a9a3028eb12f5ff"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#gacb64c00adcb361f72a9a3028eb12f5ff">VP8_EFLAG_FORCE_GF</a>   (1<<19)</td></tr> <tr class="memdesc:gacb64c00adcb361f72a9a3028eb12f5ff"><td class="mdescLeft"> </td><td class="mdescRight">Force golden frame update. <a href="#gacb64c00adcb361f72a9a3028eb12f5ff">More...</a><br/></td></tr> <tr class="separator:gacb64c00adcb361f72a9a3028eb12f5ff"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga50584fe4bdb62ff935347576539650b7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga50584fe4bdb62ff935347576539650b7">VP8_EFLAG_FORCE_ARF</a>   (1<<24)</td></tr> <tr class="memdesc:ga50584fe4bdb62ff935347576539650b7"><td class="mdescLeft"> </td><td class="mdescRight">Force alternate reference frame update. <a href="#ga50584fe4bdb62ff935347576539650b7">More...</a><br/></td></tr> <tr class="separator:ga50584fe4bdb62ff935347576539650b7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5b91ad179910d4efc23aef66c7b2148b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga5b91ad179910d4efc23aef66c7b2148b">VP8_EFLAG_NO_UPD_ENTROPY</a>   (1<<20)</td></tr> <tr class="memdesc:ga5b91ad179910d4efc23aef66c7b2148b"><td class="mdescLeft"> </td><td class="mdescRight">Disable entropy update. <a href="#ga5b91ad179910d4efc23aef66c7b2148b">More...</a><br/></td></tr> <tr class="separator:ga5b91ad179910d4efc23aef66c7b2148b"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr class="memitem:ga100ca891ad96995e61780ae777bf8663"><td class="memItemLeft" align="right" valign="top">typedef enum <a class="el" href="group__vp8__encoder.html#ga70071b1bb6cac9a1ef0ea3d8362ff94f">vpx_scaling_mode_1d</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga100ca891ad96995e61780ae777bf8663">VPX_SCALING_MODE</a></td></tr> <tr class="memdesc:ga100ca891ad96995e61780ae777bf8663"><td class="mdescLeft"> </td><td class="mdescRight">vpx 1-D scaling mode <a href="#ga100ca891ad96995e61780ae777bf8663">More...</a><br/></td></tr> <tr class="separator:ga100ca891ad96995e61780ae777bf8663"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5be1a94d436a5e9296f5be06f57ccbd1"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structvpx__roi__map.html">vpx_roi_map</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga5be1a94d436a5e9296f5be06f57ccbd1">vpx_roi_map_t</a></td></tr> <tr class="memdesc:ga5be1a94d436a5e9296f5be06f57ccbd1"><td class="mdescLeft"> </td><td class="mdescRight">vpx region of interest map <a href="#ga5be1a94d436a5e9296f5be06f57ccbd1">More...</a><br/></td></tr> <tr class="separator:ga5be1a94d436a5e9296f5be06f57ccbd1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga7b48f7962f5061979f0f8ece6fb1cba8"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structvpx__active__map.html">vpx_active_map</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga7b48f7962f5061979f0f8ece6fb1cba8">vpx_active_map_t</a></td></tr> <tr class="memdesc:ga7b48f7962f5061979f0f8ece6fb1cba8"><td class="mdescLeft"> </td><td class="mdescRight">vpx active region map <a href="#ga7b48f7962f5061979f0f8ece6fb1cba8">More...</a><br/></td></tr> <tr class="separator:ga7b48f7962f5061979f0f8ece6fb1cba8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga9600359ed9096cd96c621d9cf6c8df38"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structvpx__scaling__mode.html">vpx_scaling_mode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga9600359ed9096cd96c621d9cf6c8df38">vpx_scaling_mode_t</a></td></tr> <tr class="memdesc:ga9600359ed9096cd96c621d9cf6c8df38"><td class="mdescLeft"> </td><td class="mdescRight">vpx image scaling mode <a href="#ga9600359ed9096cd96c621d9cf6c8df38">More...</a><br/></td></tr> <tr class="separator:ga9600359ed9096cd96c621d9cf6c8df38"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaf01e78e24ae1cb54e8a455d74f3c31c8"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structvpx__svc__parameters.html">vpx_svc_parameters</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#gaf01e78e24ae1cb54e8a455d74f3c31c8">vpx_svc_parameters_t</a></td></tr> <tr class="memdesc:gaf01e78e24ae1cb54e8a455d74f3c31c8"><td class="mdescLeft"> </td><td class="mdescRight">vp9 svc parameters <a href="#gaf01e78e24ae1cb54e8a455d74f3c31c8">More...</a><br/></td></tr> <tr class="separator:gaf01e78e24ae1cb54e8a455d74f3c31c8"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a> Enumerations</h2></td></tr> <tr class="memitem:ga6deae3d561c838952552c3d3756322ec"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga6deae3d561c838952552c3d3756322ec">vp8e_enc_control_id</a> { <br/>   <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca79463ec67bb7c282ffd090622f2a46e4">VP8E_UPD_ENTROPY</a> = 5, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca140d031294fb8c36252c802e8328c1f4">VP8E_UPD_REFERENCE</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca5bb579ead6122fafbf4a8838aa5c221e">VP8E_USE_REFERENCE</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca25a828dbab350f80db769a8f53e3940f">VP8E_SET_ROI_MAP</a>, <br/>   <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497">VP8E_SET_ACTIVEMAP</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca7a6db9fd1c434d2e4d91b3935777ab9f">VP8E_SET_SCALEMODE</a> = 11, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca953ff0eaa2fcdc2ecd627e449b026853">VP8E_SET_CPUUSED</a> = 13, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0">VP8E_SET_ENABLEAUTOALTREF</a>, <br/>   <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca3fa90cb70bade72af3c2d8d91471a36c">VP8E_SET_NOISE_SENSITIVITY</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca815930923fff388825ee3cc4ef69bb28">VP8E_SET_SHARPNESS</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecab34559df04d3d662616300ed0682dcfd">VP8E_SET_STATIC_THRESHOLD</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca462a4f14f39a6eb5c4a4004fc8d0ad75">VP8E_SET_TOKEN_PARTITIONS</a>, <br/>   <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca5bb0569b813853e981a61c97697cbecd">VP8E_GET_LAST_QUANTIZER</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecad2cfc9712d2eab30b5a59a60d0daaade">VP8E_GET_LAST_QUANTIZER_64</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca628d73f1a69fadd8aa57e0dfef578da8">VP8E_SET_ARNR_MAXFRAMES</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca0a8c40a768af935ae73faa53355c3244">VP8E_SET_ARNR_STRENGTH</a>, <br/>   <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca4e0a0af58670012026c213083cd48f3a">VP8E_SET_ARNR_TYPE</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca126ccbe7bde63b59cec5ea68a82dd498">VP8E_SET_TUNING</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecacd4f5b730bddb9788c3d0b82218ec503">VP8E_SET_CQ_LEVEL</a>, <a class="el" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca09c69ff4a3aabdb307d4f24027dfc4c1">VP8E_SET_MAX_INTRA_BITRATE_PCT</a>, <br/>   <b>VP9E_SET_LOSSLESS</b>, <b>VP9E_SET_TILE_COLUMNS</b>, <b>VP9E_SET_TILE_ROWS</b>, <b>VP9E_SET_FRAME_PARALLEL_DECODING</b>, <br/>   <b>VP9E_SET_AQ_MODE</b>, <b>VP9E_SET_SVC</b>, <b>VP9E_SET_SVC_PARAMETERS</b> <br/> }</td></tr> <tr class="memdesc:ga6deae3d561c838952552c3d3756322ec"><td class="mdescLeft"> </td><td class="mdescRight">VP8 encoder control functions. <a href="group__vp8__encoder.html#ga6deae3d561c838952552c3d3756322ec">More...</a><br/></td></tr> <tr class="separator:ga6deae3d561c838952552c3d3756322ec"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga70071b1bb6cac9a1ef0ea3d8362ff94f"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga70071b1bb6cac9a1ef0ea3d8362ff94f">vpx_scaling_mode_1d</a> { <b>VP8E_NORMAL</b> = 0, <b>VP8E_FOURFIVE</b> = 1, <b>VP8E_THREEFIVE</b> = 2, <b>VP8E_ONETWO</b> = 3 }</td></tr> <tr class="memdesc:ga70071b1bb6cac9a1ef0ea3d8362ff94f"><td class="mdescLeft"> </td><td class="mdescRight">vpx 1-D scaling mode <a href="group__vp8__encoder.html#ga70071b1bb6cac9a1ef0ea3d8362ff94f">More...</a><br/></td></tr> <tr class="separator:ga70071b1bb6cac9a1ef0ea3d8362ff94f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5f7508ba3fb453b47f62313ed0b864d2"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga5f7508ba3fb453b47f62313ed0b864d2">vp8e_token_partitions</a> { <b>VP8_ONE_TOKENPARTITION</b> = 0, <b>VP8_TWO_TOKENPARTITION</b> = 1, <b>VP8_FOUR_TOKENPARTITION</b> = 2, <b>VP8_EIGHT_TOKENPARTITION</b> = 3 }</td></tr> <tr class="memdesc:ga5f7508ba3fb453b47f62313ed0b864d2"><td class="mdescLeft"> </td><td class="mdescRight">VP8 token partition mode. <a href="group__vp8__encoder.html#ga5f7508ba3fb453b47f62313ed0b864d2">More...</a><br/></td></tr> <tr class="separator:ga5f7508ba3fb453b47f62313ed0b864d2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga371dbc29054b3d46364af996ad42ab94"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vp8__encoder.html#ga371dbc29054b3d46364af996ad42ab94">vp8e_tuning</a> { <b>VP8_TUNE_PSNR</b>, <b>VP8_TUNE_SSIM</b> }</td></tr> <tr class="memdesc:ga371dbc29054b3d46364af996ad42ab94"><td class="mdescLeft"> </td><td class="mdescRight">VP8 model tuning parameters. <a href="group__vp8__encoder.html#ga371dbc29054b3d46364af996ad42ab94">More...</a><br/></td></tr> <tr class="separator:ga371dbc29054b3d46364af996ad42ab94"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a> Algorithm interface for VP8</h2></td></tr> <tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrp0b829b38ff2e659173b35cd78e0735bd"></a>This interface provides the capability to encode raw VP8 streams, as would be found in AVI files. </p> </td></tr> <tr class="memitem:ga689ede372ab835c8e1c9631f17b47eb5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga689ede372ab835c8e1c9631f17b47eb5"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp8_cx_algo</b></td></tr> <tr class="separator:ga689ede372ab835c8e1c9631f17b47eb5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga2d01224b7a5b2a1ecf538493b3089d0f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga2d01224b7a5b2a1ecf538493b3089d0f"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp9_cx_algo</b></td></tr> <tr class="separator:ga2d01224b7a5b2a1ecf538493b3089d0f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaa9e851e4d1535df1ab7451122ae90688"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaa9e851e4d1535df1ab7451122ae90688"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp9x_cx_algo</b></td></tr> <tr class="separator:gaa9e851e4d1535df1ab7451122ae90688"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1b5362d0d5b5a2d50f173f9c160fad9f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga1b5362d0d5b5a2d50f173f9c160fad9f"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> * </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp8_cx</b> (void)</td></tr> <tr class="separator:ga1b5362d0d5b5a2d50f173f9c160fad9f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga3fdeb42af524ef0f07695aab8d95ae2c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga3fdeb42af524ef0f07695aab8d95ae2c"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> * </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp9_cx</b> (void)</td></tr> <tr class="separator:ga3fdeb42af524ef0f07695aab8d95ae2c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga68279a080de517a6eb28e97b2602d632"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga68279a080de517a6eb28e97b2602d632"></a> <a class="el" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e">vpx_codec_iface_t</a> * </td><td class="memItemRight" valign="bottom"><b>vpx_codec_vp9x_cx</b> (void)</td></tr> <tr class="separator:ga68279a080de517a6eb28e97b2602d632"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <h2 class="groupheader">Macro Definition Documentation</h2> <a class="anchor" id="gafb51c67e5743275146bc1fc425727da3"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_REF_LAST   (1<<16)</td> </tr> </table> </div><div class="memdoc"> <p>Don't reference the last frame. </p> <p>When this flag is set, the encoder will not use the last frame as a predictor. When not set, the encoder will choose whether to use the last frame or not automatically. </p> </div> </div> <a class="anchor" id="gabb5e95343a2738abef44eca13059da33"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_REF_GF   (1<<17)</td> </tr> </table> </div><div class="memdoc"> <p>Don't reference the golden frame. </p> <p>When this flag is set, the encoder will not use the golden frame as a predictor. When not set, the encoder will choose whether to use the golden frame or not automatically. </p> </div> </div> <a class="anchor" id="ga650ab0baea12be91082226a5cc18776a"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_REF_ARF   (1<<21)</td> </tr> </table> </div><div class="memdoc"> <p>Don't reference the alternate reference frame. </p> <p>When this flag is set, the encoder will not use the alt ref frame as a predictor. When not set, the encoder will choose whether to use the alt ref frame or not automatically. </p> </div> </div> <a class="anchor" id="ga602edb6b02a89cb2db7a16d6dffba583"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_UPD_LAST   (1<<18)</td> </tr> </table> </div><div class="memdoc"> <p>Don't update the last frame. </p> <p>When this flag is set, the encoder will not update the last frame with the contents of the current frame. </p> </div> </div> <a class="anchor" id="gab01d066c5236457d345ce1cab4c41d6b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_UPD_GF   (1<<22)</td> </tr> </table> </div><div class="memdoc"> <p>Don't update the golden frame. </p> <p>When this flag is set, the encoder will not update the golden frame with the contents of the current frame. </p> </div> </div> <a class="anchor" id="ga1cff46a5287e73a620660030d40b9e6c"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_UPD_ARF   (1<<23)</td> </tr> </table> </div><div class="memdoc"> <p>Don't update the alternate reference frame. </p> <p>When this flag is set, the encoder will not update the alt ref frame with the contents of the current frame. </p> </div> </div> <a class="anchor" id="gacb64c00adcb361f72a9a3028eb12f5ff"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_FORCE_GF   (1<<19)</td> </tr> </table> </div><div class="memdoc"> <p>Force golden frame update. </p> <p>When this flag is set, the encoder copy the contents of the current frame to the golden frame buffer. </p> </div> </div> <a class="anchor" id="ga50584fe4bdb62ff935347576539650b7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_FORCE_ARF   (1<<24)</td> </tr> </table> </div><div class="memdoc"> <p>Force alternate reference frame update. </p> <p>When this flag is set, the encoder copy the contents of the current frame to the alternate reference frame buffer. </p> </div> </div> <a class="anchor" id="ga5b91ad179910d4efc23aef66c7b2148b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define VP8_EFLAG_NO_UPD_ENTROPY   (1<<20)</td> </tr> </table> </div><div class="memdoc"> <p>Disable entropy update. </p> <p>When this flag is set, the encoder will not update its internal entropy model based on the entropy of this frame. </p> </div> </div> <h2 class="groupheader">Typedef Documentation</h2> <a class="anchor" id="ga100ca891ad96995e61780ae777bf8663"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef enum <a class="el" href="group__vp8__encoder.html#ga70071b1bb6cac9a1ef0ea3d8362ff94f">vpx_scaling_mode_1d</a> <a class="el" href="group__vp8__encoder.html#ga100ca891ad96995e61780ae777bf8663">VPX_SCALING_MODE</a></td> </tr> </table> </div><div class="memdoc"> <p>vpx 1-D scaling mode </p> <p>This set of constants define 1-D vpx scaling modes </p> </div> </div> <a class="anchor" id="ga5be1a94d436a5e9296f5be06f57ccbd1"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="structvpx__roi__map.html">vpx_roi_map</a> <a class="el" href="group__vp8__encoder.html#ga5be1a94d436a5e9296f5be06f57ccbd1">vpx_roi_map_t</a></td> </tr> </table> </div><div class="memdoc"> <p>vpx region of interest map </p> <p>These defines the data structures for the region of interest map </p> </div> </div> <a class="anchor" id="ga7b48f7962f5061979f0f8ece6fb1cba8"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="structvpx__active__map.html">vpx_active_map</a> <a class="el" href="group__vp8__encoder.html#ga7b48f7962f5061979f0f8ece6fb1cba8">vpx_active_map_t</a></td> </tr> </table> </div><div class="memdoc"> <p>vpx active region map </p> <p>These defines the data structures for active region map </p> </div> </div> <a class="anchor" id="ga9600359ed9096cd96c621d9cf6c8df38"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="structvpx__scaling__mode.html">vpx_scaling_mode</a> <a class="el" href="group__vp8__encoder.html#ga9600359ed9096cd96c621d9cf6c8df38">vpx_scaling_mode_t</a></td> </tr> </table> </div><div class="memdoc"> <p>vpx image scaling mode </p> <p>This defines the data structure for image scaling mode </p> </div> </div> <a class="anchor" id="gaf01e78e24ae1cb54e8a455d74f3c31c8"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="structvpx__svc__parameters.html">vpx_svc_parameters</a> <a class="el" href="group__vp8__encoder.html#gaf01e78e24ae1cb54e8a455d74f3c31c8">vpx_svc_parameters_t</a></td> </tr> </table> </div><div class="memdoc"> <p>vp9 svc parameters </p> <p>This defines parameters for svc encoding. </p> </div> </div> <h2 class="groupheader">Enumeration Type Documentation</h2> <a class="anchor" id="ga6deae3d561c838952552c3d3756322ec"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group__vp8__encoder.html#ga6deae3d561c838952552c3d3756322ec">vp8e_enc_control_id</a></td> </tr> </table> </div><div class="memdoc"> <p>VP8 encoder control functions. </p> <p>This set of macros define the control functions available for the VP8 encoder interface.</p> <dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro ">vpx_codec_control</a> </dd></dl> <table class="fieldtable"> <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca79463ec67bb7c282ffd090622f2a46e4"></a>VP8E_UPD_ENTROPY</em> </td><td class="fielddoc"> <p>control function to set mode of entropy update in encoder </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca140d031294fb8c36252c802e8328c1f4"></a>VP8E_UPD_REFERENCE</em> </td><td class="fielddoc"> <p>control function to set reference update mode in encoder </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca5bb579ead6122fafbf4a8838aa5c221e"></a>VP8E_USE_REFERENCE</em> </td><td class="fielddoc"> <p>control function to set which reference frame encoder can use </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca25a828dbab350f80db769a8f53e3940f"></a>VP8E_SET_ROI_MAP</em> </td><td class="fielddoc"> <p>control function to pass an ROI map to encoder </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497"></a>VP8E_SET_ACTIVEMAP</em> </td><td class="fielddoc"> <p>control function to pass an Active map to encoder </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca7a6db9fd1c434d2e4d91b3935777ab9f"></a>VP8E_SET_SCALEMODE</em> </td><td class="fielddoc"> <p>control function to set encoder scaling mode </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca953ff0eaa2fcdc2ecd627e449b026853"></a>VP8E_SET_CPUUSED</em> </td><td class="fielddoc"> <p>control function to set vp8 encoder cpuused </p> <p>Changes in this value influences, among others, the encoder's selection of motion estimation methods. Values greater than 0 will increase encoder speed at the expense of quality. The full set of adjustments can be found in onyx_if.c:vp8_set_speed_features(). </p> <dl class="todo"><dt><b><a class="el" href="todo.html#_todo000001">Todo:</a></b></dt><dd>List highlights of the changes at various levels.</dd></dl> <dl class="section note"><dt>Note</dt><dd>Valid range: -16..16 </dd></dl> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0"></a>VP8E_SET_ENABLEAUTOALTREF</em> </td><td class="fielddoc"> <p>control function to enable vp8 to automatic set and use altref frame </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca3fa90cb70bade72af3c2d8d91471a36c"></a>VP8E_SET_NOISE_SENSITIVITY</em> </td><td class="fielddoc"> <p>control function to set noise sensitivity </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca815930923fff388825ee3cc4ef69bb28"></a>VP8E_SET_SHARPNESS</em> </td><td class="fielddoc"> <p>control function to set sharpness </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322ecab34559df04d3d662616300ed0682dcfd"></a>VP8E_SET_STATIC_THRESHOLD</em> </td><td class="fielddoc"> <p>control function to set the threshold for macroblocks treated static </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca462a4f14f39a6eb5c4a4004fc8d0ad75"></a>VP8E_SET_TOKEN_PARTITIONS</em> </td><td class="fielddoc"> <p>control function to set the number of token partitions </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca5bb0569b813853e981a61c97697cbecd"></a>VP8E_GET_LAST_QUANTIZER</em> </td><td class="fielddoc"> <p>return the quantizer chosen by the encoder for the last frame using the internal scale </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322ecad2cfc9712d2eab30b5a59a60d0daaade"></a>VP8E_GET_LAST_QUANTIZER_64</em> </td><td class="fielddoc"> <p>return the quantizer chosen by the encoder for the last frame, using the 0..63 scale as used by the rc_*_quantizer config parameters </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca628d73f1a69fadd8aa57e0dfef578da8"></a>VP8E_SET_ARNR_MAXFRAMES</em> </td><td class="fielddoc"> <p>control function to set the max number of frames blurred creating arf </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca0a8c40a768af935ae73faa53355c3244"></a>VP8E_SET_ARNR_STRENGTH</em> </td><td class="fielddoc"> <p>control function to set the filter strength for the arf </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca4e0a0af58670012026c213083cd48f3a"></a>VP8E_SET_ARNR_TYPE</em> </td><td class="fielddoc"> <p>control function to set the type of filter to use for the arf </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca126ccbe7bde63b59cec5ea68a82dd498"></a>VP8E_SET_TUNING</em> </td><td class="fielddoc"> <p>control function to set visual tuning </p> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322ecacd4f5b730bddb9788c3d0b82218ec503"></a>VP8E_SET_CQ_LEVEL</em> </td><td class="fielddoc"> <p>control function to set constrained quality level </p> <dl class="section attention"><dt>Attention</dt><dd>For this value to be used <a class="el" href="structvpx__codec__enc__cfg.html#a5bcf7fc1efc4890de351e3c6fe252355" title="Algorithm specific "usage" value. ">vpx_codec_enc_cfg_t::g_usage</a> must be set to <a class="el" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2a5f2fd02b55c67d62bfd79380bcb03f63">VPX_CQ</a>. </dd></dl> <dl class="section note"><dt>Note</dt><dd>Valid range: 0..63 </dd></dl> </td></tr> <tr><td class="fieldname"><em><a class="anchor" id="gga6deae3d561c838952552c3d3756322eca09c69ff4a3aabdb307d4f24027dfc4c1"></a>VP8E_SET_MAX_INTRA_BITRATE_PCT</em> </td><td class="fielddoc"> <p>Max data rate for Intra frames. </p> <p>This value controls additional clamping on the maximum size of a keyframe. It is expressed as a percentage of the average per-frame bitrate, with the special (and default) value 0 meaning unlimited, or no additional clamping beyond the codec's built-in algorithm.</p> <p>For example, to allocate no more than 4.5 frames worth of bitrate to a keyframe, set this to 450. </p> </td></tr> </table> </div> </div> <a class="anchor" id="ga70071b1bb6cac9a1ef0ea3d8362ff94f"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group__vp8__encoder.html#ga70071b1bb6cac9a1ef0ea3d8362ff94f">vpx_scaling_mode_1d</a></td> </tr> </table> </div><div class="memdoc"> <p>vpx 1-D scaling mode </p> <p>This set of constants define 1-D vpx scaling modes </p> </div> </div> <a class="anchor" id="ga5f7508ba3fb453b47f62313ed0b864d2"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group__vp8__encoder.html#ga5f7508ba3fb453b47f62313ed0b864d2">vp8e_token_partitions</a></td> </tr> </table> </div><div class="memdoc"> <p>VP8 token partition mode. </p> <p>This defines VP8 partitioning mode for compressed data, i.e., the number of sub-streams in the bitstream. Used for parallelized decoding. </p> </div> </div> <a class="anchor" id="ga371dbc29054b3d46364af996ad42ab94"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="group__vp8__encoder.html#ga371dbc29054b3d46364af996ad42ab94">vp8e_tuning</a></td> </tr> </table> </div><div class="memdoc"> <p>VP8 model tuning parameters. </p> <p>Changes the encoder to tune for certain types of input material. </p> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>