Changes between Version 1 and Version 2 of Ticket #1882, comment 7


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Timestamp:
Nov 5, 2012, 1:23:29 AM (4 years ago)
Author:
xnejp03
Comment:

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  • Ticket #1882, comment 7

    v1 v2  
    1 Hi, I'm the author of the software. wmv2 is the only wmv-based encoder that FFmpeg supports, and is needed for on-the-fly transcoding for Xbox (among others). The encoder doesn't support -threads with value other than 1. It's a major bottleneck, especially for HD videos. I'm not sure multi-threaded VC1 decoder will help, as the same will happen when transcoding (for example) MKV/H264 HD file. And no, this is not a regression, it was always the case. 
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    3 I appreciate wmv2 is deprecated, but this would really help a lot, unless there is a chance of  wmv3 encoder. 
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    5 Regarding -copyts: it's an attempt to keep audio/video in sync, but it might be completely inappropriate, the documentation on this parameter is a bit scarce :-)