[FFmpeg-trac] #6264(avcodec:closed): Strange performance results
FFmpeg
trac at avcodec.org
Thu Dec 7 00:20:57 EET 2017
#6264: Strange performance results
-------------------------------------+-----------------------------------
Reporter: zezinho | Owner:
Type: enhancement | Status: closed
Priority: normal | Component: avcodec
Version: 3.2.1 | Resolution: invalid
Keywords: vaapi | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by jkqxz):
* status: new => closed
* resolution: => invalid
Comment:
This is an expected consequence of the single-threaded nature of the
ffmpeg utility combined with synchronous behaviour in the Intel VAAPI
driver (it doesn't use the CPU while encoding, but it still blocks the
calling thread waiting for it to finish).
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Ticket URL: <https://trac.ffmpeg.org/ticket/6264#comment:5>
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