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<p class="MsoNormal"><span lang="EN-US">Hey Andy,Thanks for your help.^_^</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Doing that can also;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Can I understand like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">AAC Encoder auto resample is not supported?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">And………………………………Merry Christmas ………………………………………<o:p></o:p></span></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><span lang="EN-US" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="border:none;padding:0cm"><b><span style="font-size:11.0pt">发件人<span lang="EN-US">:
</span></span></b><span lang="EN-US" style="font-size:11.0pt"><a href="mailto:bowljoman@gmail.com">Andy Shaules</a><br>
</span><b><span style="font-size:11.0pt">发送时间<span lang="EN-US">: </span></span></b><span lang="EN-US" style="font-size:11.0pt">2016</span><span style="font-size:11.0pt">年<span lang="EN-US">12</span>月<span lang="EN-US">24</span>日<span lang="EN-US"> 7:38<br>
</span><b>收件人<span lang="EN-US">: </span></b><span lang="EN-US"><a href="mailto:libav-user@ffmpeg.org">This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter.</a><br>
</span><b>主题<span lang="EN-US">: </span></b><span lang="EN-US">Re: [Libav-user] How can i encode s16/s16p to acc<o:p></o:p></span></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
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<div class="moz-cite-prefix">On 12/23/2016 3:53 AM, He Lei wrote:<br>
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<p class="MsoNormal"><span lang="EN-US">FFMpeg codes is clone from git, that is version 3.0</span></p>
<p class="MsoNormal"><span lang="EN-US">I cross Compile to the win32 platform;</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">And enabled these encoders/decoders:</span></p>
<p class="MsoNormal"><span lang="EN-US">aac,s16be,s16le,s16be_planar,s16le_planar</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Enabled muxers/demuxers:</span></p>
<p class="MsoNormal"><span lang="EN-US">s16be,s16le,s16be_planar,s16le_planar</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">None of the other.</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">But, I found aac encoder only support fltp;
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My src:</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodec = avcodec_find_encoder(AV_CODEC_ID_AAC); //only fltp in m_pCodec->sample_fmts</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx = avcodec_alloc_context3(m_pCodec);</span></p>
<p class="MsoNormal"><span lang="EN-US"> avcodec_get_context_defaults3(m_pCodecCtx, m_pCodec);</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx->bit_rate = 6400;</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx->sample_fmt = AV_SAMPLE_FMT_S16S</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx->sample_rate = 44100;</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx->channel_layout = AV_CH_LAYOUT_STEREO;
</span></p>
<p class="MsoNormal"><span lang="EN-US"> m_pCodecCtx->channels = av_get_channel_layout_nb_channels(m_pCodecCtx->channel_layout);</span></p>
<p class="MsoNormal"><span lang="EN-US"> iRet = avcodec_open2(m_pCodecCtx, m_pCodec, NULL); //return -22!!</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
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<p>use a sound wave resampler context from s16 to fltp at the same khz. <br>
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