[FFmpeg-user] 0.10.3 to 0.11 performance regression?
carstenmattner at googlemail.com
Mon Jun 4 00:16:49 CEST 2012
On Sun, Jun 3, 2012 at 3:55 PM, Clément Bœsch <ubitux at gmail.com> wrote:
> On Sun, Jun 03, 2012 at 01:33:16PM +0200, Carsten Mattner wrote:
>> I cannot get 0.11 or git master to perform the same speed of
>> conversion of a video file into an mp3 audio track via
>> ffmpeg -i file.ext -ab nnnk file.mp3
>> 0.10.3 used to take a few seconds and while converting prints
>> size= 1193kB time=00:01:01.04 bitrate= 128.1kbits/s
>> as the progress line.
>> I've bisected this in the git repo and the result is:
>> 2dfea1205870c298461f08fc323c652be41888f8 is the first bad commit
>> commit 2dfea1205870c298461f08fc323c652be41888f8
>> Author: Anton Khirnov <anton at khirnov.net>
>> Date: Tue Feb 28 09:52:05 2012 +0100
>> mp3enc: write attached pictures (APIC).
>> :040000 040000 7777ee70463deb64976b9f383d8b37ce9192122d
>> e3e753fcbd2c3ed07152b7324249a894b422afcb M libavformat
> As a temporary workaround, is it better with -vn?
Thanks, that seems to trigger the old progress line
and speed. I can finally start using 0.11.
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