[FFmpeg-trac] #3651(avcodec:reopened): UT Video Codec is inefficient compared to libutvideo
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trac at avcodec.org
Sat Jan 7 19:08:49 EET 2017
#3651: UT Video Codec is inefficient compared to libutvideo
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Reporter: Zerowalker | Owner:
Type: enhancement | Status: reopened
Priority: wish | Component: avcodec
Version: git-master | Resolution:
Keywords: utvideo | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by richardpl):
Replying to [comment:29 Cigaes]:
> I read in the report:
> {{{
> Stream #0:0 -> #0:0 (utvideo (native) -> wrapped_avframe (native))
> bench: utime=69.007s
> bench: maxrss=80832kB
>
> real 0m9.651s
> user 1m9.011s
> sys 0m0.670s
> }}}
> and
> {{{
> Stream #0:0 -> #0:0 (libutvideo -> rawvideo)
> bench: utime=40.979s
> bench: maxrss=22828kB
>
> real 0m11.342s
> user 0m40.982s
> sys 0m2.014s
> }}}
>
> I find that rather convincing: the older ffmpeg with libutvideo decoding
is 68% faster than the current one with native decoding. Is there
something wrong?
One gives more FPS than other.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3651#comment:31>
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