mencoder Questions

3

Solved

can anybody compare popular video codecs by encoding speed? I understand that usually better compression requires more processing time, but it's also possible that some codecs still provide compara...
Selffertilization asked 27/1, 2011 at 12:8

7

Solved

I'm trying to create a Python script that would : Look into the folder "/input" For each video in that folder, run a mencoder command (to transcode them to something playable on my phone) Once me...
Chitarrone asked 13/7, 2009 at 16:50

5

I'd like to grab the last frame in a video (.mpg, .avi, whatever) and dump it into an image file (.jpg, .png, whatever). Toolchain is a modern Linux command-line, so things like mencoder, transcode...
Lodmilla asked 9/3, 2011 at 15:48

2

I am trying to convert mp4 or 3gp video files into Flash (flv) format (using Perl script), using following (mencoder) command: mencoder test.mp4 -of lavf -ovc lavc -lavcopts vcodec=flv:vbitrate=10...
Inextricable asked 25/7, 2013 at 8:43

3

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Here's the mplayer output for a video of interest: br@carina:/tmp$ mplayer foo.mov mplayer: Symbol `ff_codec_bmp_tags' has different size in shared object, consider re-linking MPlayer 1.0rc4-4.5....
Forbidden asked 12/6, 2012 at 20:14

2

I can't seem to extract images into a specific directory. The current command I am running is mplayer -vo jpeg CustomLogoAni.mp4 Is it also possible to set the prefix for the file? Similar to f...
Alkalimeter asked 26/1, 2012 at 18:31

0

I'm trying to build an application to burn subtitles on videos. The specific task to do is burning Persian (Right-to-left language) subtitles. But I have a problem with it. When I got several wor...
Doze asked 25/9, 2014 at 19:30

1

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I'm using mencoder to split files and I'd like to turn this into an Object Oriented approach, if possible, using Java or similar, for example. But I'm not sure the best way, so I leave it in the op...
Hedgehog asked 16/2, 2013 at 21:26

2

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I'm doing a bunch of video encoding for a variety of devices and platforms. I've bounced back and forth a few times between mencoder and ffmpeg. Which do you recommend and why? Side question: From...
Moyra asked 6/5, 2011 at 16:9

1

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This is what I have done so far: Command to create a transparent PNG image: convert -size 640x480 -background transparent -fill blue \ -gravity South label:ROCK image1-0.png Command to create a...
Tress asked 8/6, 2012 at 12:17

1

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So, this should be a comment to this thread, but it's apparently closed, so here it goes. I've been playing around quite successfully with matplotlib and numpy and mencoder, as has been suggested a...
Terryterrye asked 12/8, 2011 at 15:12

1

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Ok it seems that whenever I tell ffmpeg to take a screen cap half way though the clip (clip can be as long as 10 hours) it uses 100% of 1 cpu core and takes ages… whereas if I let it do a frame at ...
Homy asked 2/2, 2010 at 10:8

2

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i have a vb6 apps which will call the mencoder.exe which is part of the mplayer to convert some files into flv format. i'm getting this weird unhandled exception problem from mencoder whenever i tr...
Scapular asked 8/7, 2009 at 6:18

4

Solved

I want my website to join some webcam recordings in FLV files (like this one). This needs to be done on Linux without user input. How do I do this? For simplicity's sake, I'll use the same flv as b...
Ecclesiology asked 15/9, 2008 at 22:39
1

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