[FFmpeg-devel] [RELEASE] ffmpeg-0.6.90-rc0

[Mikhail I. Izmestev]

05.04.2011 04:08, Michael Niedermayer wrote:
> On Mon, Apr 04, 2011 at 10:36:20PM +0400, Mikhail I. Izmestev wrote:
>> 04.04.2011 19:15, Mikhail I. Izmestev пишет:
>>> 04.04.2011 16:56, Michael Niedermayer wrote:
>>>> On Mon, Apr 04, 2011 at 02:33:48PM +0400, Mikhail I. Izmestev wrote:
>>>>> Hi
>>>>> 03.04.2011 21:13, Michael Niedermayer wrote:
>>>>>> Hi
>>>>>>
>>>>>> Iam proud to announce that after a way too long time we finally are
>>>>>> making a new release.
>>>>>>
>>>>>> See: http://ffmpeg.org/releases/
>>>>>>
>>>>>> Please help test it and report regression& security bugs to
>>>>>> ffmpeg.org/trac so we can fix them in rc1 or the final release.
>>>>>> (depending on if we will need a rc1)
>>>>>>
>>>>>> Also please help testing on not so common platforms if you can. (as you
>>>>>> know the 3 server admins took all machines they had access to with
>>>>>> them for their fork)
>>>>> I'm not sure, but I have tested ffmpeg at
>>>>> 2cae9809e2d59c7336fc2cccb97b82c7f764868a on win7 and have performance
>>>>> dropping:
>>>>>
>>>>> $ time ./ffmpeg.exe -i BackgroundLoopBlueHorizon.mov -sameq -f rawvideo
>>>>> -> /dev/null
>>>>> FFmpeg version UNKNOWN, Copyright (c) 2000-2011 the FFmpeg developers
>>>>> built on Apr 4 2011 14:14:06 with gcc 4.4.0 20090326 (experimental)
>>>>> configuration: --enable-shared --disable-static --enable-memalign-hack
>>>>> --disable-avfilter --arch=x86_64 --cross-prefix=x86_64-pc-mingw32-
>>>>> --target-os=mingw32
>>>>> --disable-dxva2 --disable-yasm
>>>> disable-yasm is a bad idea, you should install yasm
>>>> also please show us your config.h of both versions
>>>>
>>>> and if you can figure out which revission causes the slowdown for you
>>>> with "git bisect" thats easy, this would help
>>> There are git bisect results:
>>>
>>> 90441276e4f661c6aec5e4d2c5718cde1ff1946d is the first bad commit
>>> commit 90441276e4f661c6aec5e4d2c5718cde1ff1946d
>>> Author: Nicolas George <nicolas.george at normalesup.org>
>>> Date: Fri Feb 4 19:12:37 2011 +0100
>>>
>>> Non-blocking protocol: core wrapper functions
>>>
>>> Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
>>> Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>
>>>
>>> :040000 040000 b4ef1b8023662f6e575f2a7e421aee93142dfc95 2cdaedf8102e66edf97ae2f4c51a2730824f471f M
>>> libavformat
>> [...]
>>
>> Ok, I have tracked down source of performance dropping.
>> Problem caused interrupt checking and related only to ffmpeg app not to libavformat.
> should be fixed
Tested, works well, thanks.

Mikhail.