[MPlayer-dev-eng] How the mplayer preview H264 camera stream?
tempn at twmi.rr.com
Tue Mar 15 13:00:07 CET 2011
On Tue, 15 Mar 2011 15:05:34 +0800, MartinTsai wrote:
>I have a camera support H.264 streaming and YUY2 streaming. H264 stream go through different from the YUY2 pin.
>When i use the mplayer to play the H.264 device(/dev/video0), it always show the warning message: (The mpalyer version I used is MPlayer-1.0rc4)
>UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x34363248).
>It hinted the mplayer can not support this format. I trace the codes and i found that there is no MPEG format in struct builtin_video_codecs.
> How could the MPLAYER get data from the H264 stream device.
>The command line I use is
>mplayer tv:// -tv outfmt=0x34363248:width=1280:height=720:norm=NTSC:device=/dev/video0
>Could someone tell me how could I preview my H264 camera in ubuntu.
you are on the wrong list, you should ask on mplayer-users.
you need to paste all mplayer output too.
possibly try adding -vc +ffh264
maybe our v4l does not have h264 support, i havent looked at it...
also did you try just mplayer /dev/video0 ? what video camera name? is
it firewire camera?
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