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by aka
07 Aug 2009 17:27
Forum: VLC stream-output (sout)
Topic: RC3 H264 encoding quality worse than 0.86i with low bitrates
Replies: 64
Views: 15690

Re: RC3 H264 encoding quality worse than 0.86i with low bitrates

The versions which I list in the results are from official binary(linux version comes from ubuntu ppa),not my personal builds .
by aka
07 Aug 2009 04:57
Forum: VLC stream-output (sout)
Topic: RC3 H264 encoding quality worse than 0.86i with low bitrates
Replies: 64
Views: 15690

Re: RC3 H264 encoding quality worse than 0.86i with low bitrates

With slightly improvement,windows nightly build version still has the problem. I just tried 1.0.2-git version on linux, it doesn't have such problem. Here is my command line and results vlc.exe --intf rc -vvv d:\temp\output.avi --sout=#transcode{venc=x264{me=hex,weightb=0,partitions=normal,ratetol=1...
by aka
05 Aug 2009 04:12
Forum: VLC stream-output (sout)
Topic: RC3 H264 encoding quality worse than 0.86i with low bitrates
Replies: 64
Views: 15690

Re: RC3 H264 encoding quality worse than 0.86i with low bitrates

Windows Version. But when I build vlc git version with x264 which 0.8 used,it gets the same quality as 0.8 version. I found that qp is the cause of the quality penalty . With the same x264 config options in vlc, new version transcode with the average qp of 40 while old version is 25. That make new v...
by aka
28 Jul 2009 16:10
Forum: VLC stream-output (sout)
Topic: RC3 H264 encoding quality worse than 0.86i with low bitrates
Replies: 64
Views: 15690

Re: RC3 H264 encoding quality worse than 0.86i with low bitrates

I got the same problem with you. I don't think x264 settings should be blamed. I have compiled 0.8 and 1.0 with the same version of x264, 0.8 doesn't lose quality while 1.0 behave the same as official release. I checked the settings in x264.c and found no important changes. After v0.9,Transcoding wi...

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