The VideoLAN Forums

I get a m4v file with 16:9 aspect ratio. VLC can play the file correctly. Simply use: vlc h:\1.m4v But when I try to stream it. Thing goes wrong way. The local play screen looks a just square. And the remote client (Media Player) say the mms stream has 320x180 resolution and 1:1 aspect ratio. The co...

Here's the command line: vlc dshow:// :dshow-size="1280x720" :dshow-fps=25.000000 :sout=#transcode{vcodec=mp4v,vb=2048,scale=1,acodec=mp4a,ab=192,channels=2}:duplicate{dst=display,dst=std{access=file,mux=mp4,dst="D:\test.mp4"}} The stream source is 1280x720, so I set the capture ...

I retried with -vvv. I found these in debug messages. stream_out_transcode debug: decoder aspect is 576000:432000 stream_out_transcode debug: source pixel aspect is 0.750000:1 stream_out_transcode debug: scaled pixel aspect is 0.750000:1 stream_out_transcode debug: source 1280x720, crop 1280x720, de...

I tried several parameters and still failed to fix it.

Add --sout-transcode-canvas-aspect=16:9 Same error aspect ratio
Add --sout-transcode-canvas-width -height -aspect Aspect is correct but the pic looks like being cropped to 4:3 and then pad to 16:9

I am trying to capture from a VGA capture card. Here's my command line: vlc dshow:// :dshow-size="1280x720" :dshow-fps=25.000000 :sout=#transcode{vcodec=mp4v,vb=2048,scale=1,acodec=mp4a,ab=192,channels=2}:duplicate{dst=display,dst=std{access=file,mux=mp4,dst="D:\test.mp4"}} The c...