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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">If you cannot figure out the reason why, by setting av_log_setcallback to get the detail info.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">I have encountered last week:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">PCMU - avcodec_open2 return -22 Unknow Error<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">Now, I have solved it.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">xukaijun<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:SimSun">发件人<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"> libav-user-bounces@ffmpeg.org [mailto:libav-user-bounces@ffmpeg.org]
</span><b><span style="font-size:10.0pt;font-family:SimSun">代表 </span></b><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun">Mark Kenna<br>
</span><b><span style="font-size:10.0pt;font-family:SimSun">发送时间<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt;font-family:SimSun"> 2013</span><span style="font-size:10.0pt;font-family:SimSun">年<span lang="EN-US">7</span>月<span lang="EN-US">22</span>日<span lang="EN-US">
21:11<br>
</span><b>收件人<span lang="EN-US">:</span></b><span lang="EN-US"> This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter.<br>
</span><b>主题<span lang="EN-US">:</span></b><span lang="EN-US"> [Libav-user] ADPCM Codec<o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">All <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">I am getting a return value of -22 when calling avcodec_open2 with a CodecId of 'AV_CODEC_ID_ADPCM_G726' (and the same for any other PCM based codecs).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Could anyone indicate why this would be the case?<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Mark.<o:p></o:p></span></p>
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