chourmovs
15th March 2010, 00:24
Hello everybody
I' have issues trying to encode mkv/x264/dts into avi/xvid/dts
I had some success with 2 or 3 files with 24.000 or 25.000 fps but most of my files have a 24/1001 framerate
with such movie, i get synchronization problems
First of all, i'm wondering about structural difference between avi and mkv container:
when i mkvextract audio and video tracks of a 2h08min24sec mkv, i get a 2h08min24sec H264 track but a 2h08min21sec .DTS track
when i remux this two track in a new mkv, there's no problem of synchronization
i don't know exactly how mkv handle this, but i can now understand why i can obtain synchronization issues in a different container
anyway I've tried 2 approaches to make the job
1)Mencoder with direct audio copy
get good result with some files (24.000 fps) but in most of case i get a lot of skipping frame or duplicate frame : audio is correctly aligned but quality is awfull with heavy cpu load and skips during playing
i tried mencoder option for interlaced movies, noskip, mc 0, harddup etc but with no satisfaction
mc 0 removed skip but i had a 3 second sound delay during all the movie
2) standard video track encoding using directshowsource or ffmpegsource without audio processing and after that remuxing of audio and video using avimux_Gui but the result is strange as it behave like audio and video don't have the same framerate
begin of the video is sync but i meet my 3 second difference at the end of the reading
I'm stuck with this
Does anybody know if there's a solution to this problem (mencoder option, other encoder)
I've read that someone succeed doing this with avidemux but it's not my case, maybe i need his params
Please help
thank you by advance
I' have issues trying to encode mkv/x264/dts into avi/xvid/dts
I had some success with 2 or 3 files with 24.000 or 25.000 fps but most of my files have a 24/1001 framerate
with such movie, i get synchronization problems
First of all, i'm wondering about structural difference between avi and mkv container:
when i mkvextract audio and video tracks of a 2h08min24sec mkv, i get a 2h08min24sec H264 track but a 2h08min21sec .DTS track
when i remux this two track in a new mkv, there's no problem of synchronization
i don't know exactly how mkv handle this, but i can now understand why i can obtain synchronization issues in a different container
anyway I've tried 2 approaches to make the job
1)Mencoder with direct audio copy
get good result with some files (24.000 fps) but in most of case i get a lot of skipping frame or duplicate frame : audio is correctly aligned but quality is awfull with heavy cpu load and skips during playing
i tried mencoder option for interlaced movies, noskip, mc 0, harddup etc but with no satisfaction
mc 0 removed skip but i had a 3 second sound delay during all the movie
2) standard video track encoding using directshowsource or ffmpegsource without audio processing and after that remuxing of audio and video using avimux_Gui but the result is strange as it behave like audio and video don't have the same framerate
begin of the video is sync but i meet my 3 second difference at the end of the reading
I'm stuck with this
Does anybody know if there's a solution to this problem (mencoder option, other encoder)
I've read that someone succeed doing this with avidemux but it's not my case, maybe i need his params
Please help
thank you by advance