mplayer:mplayer_usage
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mplayer:mplayer_usage [2009/09/10 11:26] – deva | mplayer:mplayer_usage [2022/03/21 09:09] – [MEncoder] deva | ||
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=====MPlayer Usage (and some other video stuff)===== | =====MPlayer Usage (and some other video stuff)===== | ||
====MPlayer==== | ====MPlayer==== | ||
- | Play video stream from webcam through v4l2. | + | ===Play video stream from webcam through v4l2=== |
Make sure that mplayer is compiled with the v4l2 use flag. | Make sure that mplayer is compiled with the v4l2 use flag. | ||
Make sure that the kerenl is compiled with video for linux support (Device Drivers ---> Multimedia support | Make sure that the kerenl is compiled with video for linux support (Device Drivers ---> Multimedia support | ||
< | < | ||
mplayer -fps 15 tv:// -tv driver=v4l2: | mplayer -fps 15 tv:// -tv driver=v4l2: | ||
+ | </ | ||
+ | |||
+ | ===Play MTS files=== | ||
+ | < | ||
+ | mplayer -demuxer lavf -lavdopts threads=4: | ||
</ | </ | ||
Line 37: | Line 42: | ||
===Grabbing from X11=== | ===Grabbing from X11=== | ||
+ | Low resolution and low quality: | ||
< | < | ||
ffmpeg -f x11grab -s vga -i :0.0 / | ffmpeg -f x11grab -s vga -i :0.0 / | ||
+ | </ | ||
+ | |||
+ | Better quality and higher resolution: | ||
+ | < | ||
+ | ffmpeg -r 24 -f x11grab -s 1024x768 -i :0.0 -threads 0 -vcodec libx264 -vpre lossless_ultrafast / | ||
</ | </ | ||
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</ | </ | ||
This is not exactly the mencoder approach... but this seemed to be the right place to put it. | This is not exactly the mencoder approach... but this seemed to be the right place to put it. | ||
+ | |||
+ | ===Browser friendly videos=== | ||
+ | < | ||
+ | ffmpeg -i my-original-video.wmv -vcodec libx264 -f mp4 -vb 1024k -preset slow my-new-video.mp4 | ||
+ | </ | ||
+ | |||
+ | Extended (pixel format conversion): | ||
+ | < | ||
+ | ffmpeg -i my-original-video.wmv -pix_fmt yuv420p -vcodec libx264 -f mp4 -vb 1024k -preset slow my-new-video.mp4 | ||
+ | </ | ||
+ | |||
+ | Extended (pixel format conversion and audio from ' | ||
+ | < | ||
+ | ffmpeg -i my-original-video.wmv -i other.mp4 -map 0:0 -map 1:1 -pix_fmt yuv420p -vcodec libx264 -f mp4 -vb 1024k -preset slow my-new-video.mp4 | ||
+ | </ | ||
+ |
mplayer/mplayer_usage.txt · Last modified: 2023/12/19 21:35 by deva