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

[Mikhail I. Izmestev]

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
   libavutil    50. 40. 0 / 50. 40. 0
   libavcodec   52.117. 0 / 52.117. 0
   libavformat  52.105. 0 / 52.105. 0
   libavdevice  52.  4. 0 / 52.  4. 0
   libswscale    0. 13. 0 /  0. 13. 0

Seems stream 0 codec frame rate differs from container frame rate: 
5994.00 (5994/1) -> 29.97 (2997/100)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'BackgroundLoopBlueHorizon.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2011-03-21 23:16:41
   Duration: 00:00:09.04, start: 0.000000, bitrate: 2338 kb/s
     Stream #0.0(eng): Video: h264 (Main), yuv420p, 1280x720, 2334 kb/s, 
29.97 fps, 29.97 tbr, 2997 tbn, 5994 tbc
     Metadata:
       creation_time   : 2011-03-21 23:16:50
Output #0, rawvideo, to 'pipe:':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2011-03-21 23:16:41
     encoder         : Lavf52.105.0
     Stream #0.0(eng): Video: rawvideo, yuv420p, 1280x720, q=2-31, 200 
kb/s, 90k tbn, 29.97 tbc
     Metadata:
       creation_time   : 2011-03-21 23:16:50
Stream mapping:
   Stream #0.0 -> #0.0
Press [q] to stop encoding
frame=  271 fps=155 q=0.0 Lsize=  365850kB time=9.04 bitrate=331444.1kbits/s
video:365850kB audio:0kB global headers:0kB muxing overhead 0.000000%

real    0m1.785s
user    0m0.000s
sys     0m0.016s


And results of current ffmpeg which I use:

$ time ./ffmpeg.exe -i BackgroundLoopBlueHorizon.mov -sameq -f rawvideo 
- > /dev/null
FFmpeg version UNKNOWN, Copyright (c) 2000-2010 the FFmpeg developers
   built on Sep 16 2010 19:02:08 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-yasm --extra-cflags=-U__STRICT_ANSI__
   libavutil     50.27. 0 / 50.27. 0
   libavcore      0. 9. 0 /  0. 9. 0
   libavcodec    52.89. 0 / 52.89. 0
   libavformat   52.78. 5 / 52.78. 5
   libavdevice   52. 2. 2 / 52. 2. 2
   libswscale     0.11. 0 /  0.11. 0

Seems stream 0 codec frame rate differs from container frame rate: 
5994.00 (5994/1) -> 29.97 (2997/100)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'BackgroundLoopBlueHorizon.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
   Duration: 00:00:09.04, start: 0.000000, bitrate: 2338 kb/s
     Stream #0.0(eng): Video: h264, yuv420p, 1280x720, 2334 kb/s, 29.97 
fps, 29.97 tbr, 2997 tbn, 5994 tbc
Output #0, rawvideo, to 'pipe:':
   Metadata:
     encoder         : Lavf52.78.5
     Stream #0.0(eng): Video: rawvideo, yuv420p, 1280x720, q=2-31, 200 
kb/s, 90k tbn, 29.97 tbc
Stream mapping:
   Stream #0.0 -> #0.0
Press [q] to stop encoding
frame=  271 fps=248 q=0.0 Lsize=  365850kB time=9.04 bitrate=331444.1kbits/s
video:365850kB audio:0kB global headers:0kB muxing overhead 0.000000%

real    0m1.155s
user    0m0.000s
sys     0m0.000s

Mikhail.