Difference between revisions of "CARMA Configuration Variables"
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Revision as of 11:44, 17 December 2008
The following options can be configured in the CARMA Configuration Admin.
Convert
Enter the file system path to ImageMagick. If your image thumbnails aren't generated, this path is probably wrong. Ask your Host for the correct path.
MPlayer
Enter the file system path to MPlayer. If your video thumbnails aren't generated, this path is probably wrong. Ask your host for the correct path.
ENABLE_ERROR_POSTS
Sends errors on your server to our support server. If we see anything worrisome, we'll notify you.
NO_BFRAMES_CHECK
You must check this option to use recent versions of mplayer. If you have a problem or get an error creating Flash content, please try flipping this option: if it's enabled, try disabling it; if it's disabled, try enabling it.
You can run the following test to determine whether you need to enable or disable NO_BFRAMES_CHECK.
/usr/bin/mencoder 'input-file' -o 'output-file' -quiet -of lavf -oac mp3lame -lameopts abr:br=36 -ovc lavc -vf scale=480:360 -lavcopts vcodec=flv:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:vbitrate=1500 -ofps 15 -srate 44100
Replace input-file with the filename of your source video. Replace output-file with the filename of your output Flash movie. The output will look similar to the following example:
MEncoder 1.0rc1-3.4.6 (C) 2000-2006 MPlayer Team CPU: Intel(R) Pentium(R) D CPU 2.80GHz (Family: 15, Model: 4, Stepping: 4) CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 Compiled with runtime CPU detection. success: format: 0 data: 0x0 - 0xb144770 ASF file format detected. VIDEO: [WMV3] 640x480 24bpp 30.000 fps 0.0 kbps ( 0.0 kbyte/s) [V] filefmt:6 fourcc:0x33564D57 size:640x480 fps:30.00 ftime:=0.0333 ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 44100 Hz, 2 ch, s16le, 64.0 kbit/4.54% (ratio: 8005->176400) Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg)) ========================================================================== ** MUXER_LAVF ***************************************************************** If you wish to use libavformat muxing, you must ensure that your video stream does not contain B frames (out of order decoding) and specify: -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames on the command line. REMEMBER: MEncoder's libavformat muxing is presently broken and will generate INCORRECT files in the presence of B frames. Moreover, due to bugs MPlayer will play these INCORRECT files as if nothing were wrong! *******************************************************************************
If you get the message containing "-lavfopts i_certify_that_my_video_stream_does_not_use_b_frames", then you need to disable NO_BFRAMES_CHECK. If you don't get the message, enable NO_BFRAMES_CHECK.
TOUR_ALL_VIDEOS
Enable TOUR_ALL_VIDEOS to show all videos on tours. Disable TOUR_ALL_VIDEOS to hide videos during tours unless the video was marked as a tour video.