[FFmpeg-user] WebM conversion fails

[Mihamina Rakotomandimby]

On 07/30/2012 10:52 AM, Carl Eugen Hoyos wrote:
>> The conversion takes place (I mean no error nor warning), but the result
>> is not visible with any player I use.
> Which player?


- gstreamer based ones
- VLC

>> Here is the full output: http://pastebin.com/FLcsgYqj
>
> Please post the complete, uncut console output together with
> the command line here on the mailing list, do not use
> external resources, they may disappear.
>
> And please post the 0.11 output.


[mihamina at centos6-01 ~]$ ffmpeg -i Video/IPAD_VIDEO.MOV -acodec 
libvorbis -ac 2 -ab 96k -ar 44100   -b:v 345k -s 640x360 Video/output.webm
ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
   built on Jul 27 2012 20:42:36 with gcc 4.4.6 20120305 (Red Hat 4.4.6-4)
   configuration: --prefix=/usr --libdir=/usr/lib64 
--shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared 
--enable-runtime-cpudetect --enable-gpl --enable-version3 
--enable-nonfree --enable-postproc --enable-avfilter --enable-pthreads 
--enable-x11grab --enable-vdpau --disable-avisynth --enable-frei0r 
--enable-libopencv --enable-libdc1394 --enable-libfaac --enable-libgsm 
--enable-libmp3lame --enable-libnut --enable-libopencore-amrnb 
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex 
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 
--enable-libxavs --enable-libxvid --extra-cflags='-O2 -g -pipe -Wall 
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --disable-stripping
   libavutil      51. 54.100 / 51. 54.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.100 / 54.  6.100
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video/IPAD_VIDEO.MOV':
   Metadata:
     major_brand     : qt
     minor_version   : 0
     compatible_brands: qt
     creation_time   : 2012-07-23 14:33:52
     encoder         : 4.3.5
     encoder-fra     : 4.3.5
     date            : 2012-07-23T17:33:52+0300
     date-fra        : 2012-07-23T17:33:52+0300
   Duration: 00:00:02.57, start: 0.000000, bitrate: 10509 kb/s
     Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), 
yuv420p, 1280x720, 10584 kb/s, 24.02 fps, 24 tbr, 600 tbn, 1200 tbc
     Metadata:
       rotate          : 90
       creation_time   : 2012-07-23 14:33:52
       handler_name    : Core Media Data Handler
     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, 
s16, 62 kb/s
     Metadata:
       creation_time   : 2012-07-23 14:33:52
       handler_name    : Core Media Data Handler
File 'Video/output.webm' already exists. Overwrite ? [y/N] y
w:1280 h:720 pixfmt:yuv420p tb:1/600 sar:0/1 sws_param:flags=2
[buffersink @ 0xe42d60] No opaque field provided
[scale @ 0xe43020] w:1280 h:720 fmt:yuv420p sar:0/1 -> w:640 h:360 
fmt:yuv420p sar:0/1 flags:0x4
[aformat @ 0x1076f40] auto-inserting filter 'auto-inserted resampler 0' 
between the filter 'src' and the filter 'aformat'
[aresample @ 0x1078060] chl:mono fmt:s16 r:44100Hz -> chl:stereo fmt:flt 
r:44100Hz
[libvpx @ 0xe44a00] v1.0.0
Output #0, webm, to 'Video/output.webm':
   Metadata:
     major_brand     : qt
     minor_version   : 0
     compatible_brands: qt
     creation_time   : 2012-07-23 14:33:52
     date-fra        : 2012-07-23T17:33:52+0300
     encoder-fra     : 4.3.5
     date            : 2012-07-23T17:33:52+0300
     encoder         : Lavf54.6.100
     Stream #0:0(und): Video: vp8, yuv420p, 640x360, q=-1--1, 345 kb/s, 
1k tbn, 24 tbc
     Metadata:
       rotate          : 90
       creation_time   : 2012-07-23 14:33:52
       handler_name    : Core Media Data Handler
     Stream #0:1(und): Audio: vorbis, 44100 Hz, stereo, flt, 96 kb/s
     Metadata:
       creation_time   : 2012-07-23 14:33:52
       handler_name    : Core Media Data Handler
Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> libvpx)
   Stream #0:1 -> #0:1 (aac -> libvorbis)
Press [q] to stop, [?] for help
[libvorbis @ 0xe1f280] Que input is backward in time
frame=   61 fps= 33 q=0.0 Lsize=     141kB time=00:00:02.54 bitrate= 
454.2kbits/s
video:113kB audio:22kB global headers:4kB muxing overhead 1.385328%
[mihamina at centos6-01 ~]$


Thank you for your help.

-- 
RMA.