Resources for 'Advanced Video Coding on Linux'

“x264—a free h264/avc encoder”:

“Codec shoot-out 2005—Final”:

Apple QuickTime:

“MPlayer 1.0pre8 released”:

GPAC: Content Authoring with MP4Box:

Movie Trailers:

“Including QuickTime in a Web Page”:

MPlayer Plugin: Embedded Video Player for Mozilla:



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Branko Majic's picture

By the way, you can speed-up the audio dumping with this command:
mplayer -vc null -vo null -ao pcm:fast max.dv

Great stuff

Branko Majic's picture

This was some great stuff. I already wanted to use h.264, but I was too lazy to find some documentation on it. I just copied over your code and made a few modifications (I created a nice little bash script). One question, though: can you put any resources as where the documentation for the x264 can be found? Something which explains the possible arguments in a little more detail?

x264 article question

alexandre parenteau's picture

Thanks Dave for this nice article.

I almost immediately tried to apply it to my mythtv box transcoding.

However I run into the problem that QuickTime 7 refuses to open the produced mp4 file, even though mplayer does. All I added was --sar 4:3. I also changed the FPS to 29.97 (MythTV NTSC).

I was curious if someone was successful at getting QuickTime 7 to read the H264 file.

Here is the script I made (python) out of the article:

def transcode_file(src, dst):
os.system('mkfifo test.fifo')
os.system('mplayer -ao pcm:file=test.fifo -vc null -vo null "%s" &' % src)
res = os.system('faac test.fifo -o test.aac')

# video to x264
os.putenv("LD_LIBRARY_PATH", "/usr/local/lib")
res = os.system('mencoder -vf format=i420 -ovc raw -of rawvideo -ofps 29.97 -oac copy -o test.fifo "%s" &' % src)
res = os.system('/usr/local/bin/x264 -o test.mp4 --fps 29.97 --bframes 2 --progress --crf 26 --subme 6 --analyse p8x8,b8x8,i4x4,p4x4 --no-psnr test.fifo --sar 4:3 480x480')

res = os.system('/usr/local/bin/MP4Box -add test.mp4 -add test.aac -fps 29.97 "%s"' % dst)
os.system('rm -rf test.fifo test.aac test.mp4')

On Fedora Core 5 (i386)
x264 and gpac from SVN

Anyway, I was blown away by the quality compared to DivX.


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