! HuffYUV Lossless video codec. Fantastic performance! This is the magic tool for capturing screen.

[Igor Chernenko]

HuffYUV video codec is very fast. Incredibly fast!
Video files are big, but you can compress them afterwards how you want.

HuffYUV - Lossless codec from BenRG
Bit-for-bit identical with the original input!

HuffYUV is a lossless video codec created by Ben Rudiak-Gould...
"Lossless" means that the output from the decompressor is bit-for-bit
identical with the original input to the compressor, given that no color
space conversion takes place. Huffyuv's algorithm is similar to that of
lossless JPEG-LS, in that it predicts each sample and then Huffman-encodes
the error.
VLC media player and MPlayer
http://en.wikipedia.org/wiki/Huffyuv

Step 1: Record the screen

ffmpeg -f x11grab -r 25 -s 1392x1040 -i :0.0 -vcodec huffyuv -sameq
Lossless-HuffYUV.avi

Result: Lossless-HuffYUV.avi - it can be played with VLC and MPlayer
This works on Ubuntu 9.04
It should also work on Ubuntu 8.10.
No recompilation of ffmpeg is required.

2 minutes Full Screen => 250MB Lossless-HuffYUV.avi


Step 2: Convert HuffYUV AVI to Mpeg2 video

ffmpeg -i Lossless-HuffYUV.avi -f mpeg2video -sameq Mpeg2.mpg

Result: Mpeg2.mpg - it can be played with VLC and MPlayer
This works on Ubuntu 9.04
It should work on Ubuntu 8.10 too.
No recompilation of ffmpeg is required.

2 minutes Full Screen => 100MB Mpeg2.mpg


Step 3: Convert Mpeg2 to Microsoft MPEG-4 4.2 video

mencoder -forceidx -mc 0 -noskip -skiplimit 0 -ovc lavc -lavcopts
vcodec=msmpeg4v2:vhq -o Windoze-MPEG4.avi Mpeg2.mpg

Result: Windoze-MPEG4.avi - it can be played by any player, including
Windows Media Player.
This works on Ubuntu 9.04
It should work on Ubuntu 8.10 too.
No recompilation of ffmpeg or mencoder is required.

2 minutes Full Screen => 12MB Windoze-MPEG4.avi


On Ubuntu 9.04 you can also encode to mpeg4 and XviD and mp4 (libx264):


Step I: Convert HuffYUV AVI to mpeg4 video

ffmpeg -i Lossless-HuffYUV.avi -sameq mpeg4.avi

Result: mpeg4.avi - it can be played with VLC and MPlayer

2 minutes Full Screen => 6MB mpeg4.avi


Step II: Convert HuffYUV AVI to XviD video

ffmpeg -i Lossless-HuffYUV.avi -vcodec libxvid -aspect 1.3333 -sameq
XviD.avi

Result: XviD.avi - it can be played with Totem, VLC and MPlayer

2 minutes Full Screen => 5MB XviD.avi


Step III: Convert HuffYUV AVI to mp4 (libx264) video

ffmpeg -i Lossless-HuffYUV.avi -vcodec libx264 -sameq libx264.mp4

Result: libx264.mp4 - it can be played with Totem, VLC and MPlayer

2 minutes Full Screen => 2MB libx264.mp4


You can add an audio file to avi with ffmpeg or mencoder.
VLC allows to play a video file with "an external audio file".

You can edit your videos with ffmpeg, mencoder, or Avidemix (GUI), or else.
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