Once installed has completed, you will get the latest version of avconv 11. However, if you are using a older version of Ubuntu, you will need to get the latest version from Source, since installing from apt-get will only gives you what your Ubuntu version can support. If you manage to debug your avconv conversion instruction, and saw the word Unknown/unsupported CodecID A_OPUS, you most probably fall into the category of having a older Ubuntu or avconv which is what happen to me. but it will just get stucked at #0:0 and you will be staring at your screen for a couple of hours (if you are lucky) and wondering what the hell goes wrong when you did nothing to it. Or 23_1460406164.wav: could not find codec parametersĪnd etc. Or Decoder (codec id 0) not found for input stream #0:0 And when you try to convert your whammy webm to mp4, it will 99% throws you one of the following errors Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height Which means your avconv doesn't really support the new A_OPUS or V_VP9. You may face the following problems Unknown/unsupported CodecID V_VP9. If you are facing problems converting webm (whammy) from webrtc of Chrome using older version of ffmpeg or avconv. Although in the end, it wasn't my problem at all but i manage to resolve it somehow so writing it out might helps someone out there too. However, there are so many legacy documentation about ffmpeg conversion and webm that leaves me searching up and downs for a solutions for my problems. Ok, there is no ffmpeg here since its so old and we have all been using the latest avconv.
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