Package: kdenlive
Version: 0.9.6-5
Severity: normal

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At the moment default profile for webm format is broken. Audio bitrate is wrong 
and the video is not playable in Firefox. Even not in windows version of 
firefox. It was o.k. some time ago because webm video I have rendered in the 
past, have no such problems.

Should be used parameters for webm described here?
http://www.webmproject.org/docs/encoder-parameters/
But debian changed encoder from ffmpeg to avconv and documentations 
http://userbase.kde.org/Kdenlive/Manual/Project_Menu/Render/Render_Profile_Parameters
 is probably no more valid. Is now this description 
http://libav.org/avconv.html relevant? 

Example of rendering output (shown in terminal):
//STARTING RENDERING:  true , false , "/usr/bin/melt" , "atsc_720p_30" , 
"avformat" , "-" , "/tmp/kde-marek/kdenlives15702.mlt" , "/tmp/out.webm" , () , 
("acodec=libvorbis", "ab=128k", "ar=44100", "aq=50", "vcodec=libvpx", 
"minrate=0", "vb=1000k", "aspect=@16/9", "maxrate=2000k", "g=120", "qmax=42", 
"qmin=10", "threads=1", "real_time=-1") , 0 , 247 
Started render process:  "/usr/bin/melt"   "/tmp/kde-marek/kdenlives15702.mlt 
in=0 out=247 -profile atsc_720p_30 -consumer avformat:/tmp/out.webm progress=1 
acodec=libvorbis ab=128k ar=44100 aq=50 vcodec=libvpx minrate=0 vb=1000k 
aspect=@16/9 maxrate=2000k g=120 qmax=42 qmin=10 threads=1 real_time=-1" 
Rendering of  "/tmp/out.webm" finished.

What is using kdenlive for rendering? Are the parameters from /usr/bin/melt 
passed to libvpx? (http://packages.qa.debian.org/libv/libvpx.html)

--- System information. ---
Architecture: amd64
Kernel:       Linux 3.12-1-amd64
Debian Release: jessie/sid


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