[MPlayer-users] Help for H.263 encoder using mencoder

[Weilin Chen]

ur means are that MPlayer can't encode the YUV file?

2005/11/23, Paul TT <paultt at hackerjournal.it>:
> On Wed, 23 Nov 2005 16:35:04 +0800
> Weilin Chen <cwl0212 at gmail.com> wrote:
>
> > 1. I am sorry about the unclearly question before. I try the command
> >  " mencoder ./foreman_cif.yuv -ovc lavc vcodec=h263 -o outfile.263"
> >  the encode file is yvu420 format, and the result as shows below:
>
> obvious question:
> does mplayer foreman_cif.yuv play it?
>
> >  = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> >  MEncoder 1.0pre7try2-3.3.4 (C) 2000-2005 MPlayer Team
> >  CPU: Intel  (Family: 8, Stepping: 1)
> >  Detected cache-line size is 64 bytes
> >  CPUflags: Type: 8 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
> >  Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
> >
> >  File not found: 'frameno.avi'
> >  Failed to open frameno.avi
> >  success: format: 0  data: 0x0 - 0x2b81800
> >  libavformat file format detected.
> >  picture size invalid (0x0)
> >  LAVF_header: av_find_stream_info() failed
> >  ======== Sorry, this file format is not recognized/supported  =======
> >  === If this file is an AVI, ASF or MPEG stream, please contact the
> > author! ===
> >  Cannot open demuxer.
> >
> >  Exiting...
> >  = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> =
> > it's look like can't decode the yuv file, or somting I loss append to
> > the command line?
> >
> >  2. I try to modify the file ./libavcodec/apiexample.c to encode the
> >  YUV stream using H.263 codec, and the input sequence format is
> >  YUV420P. I have checked the encoded file header informations, and
> >  those are all correct, but when I try to decode the encoded
> stream.263
> >  within apiexample function "video_decode_example," it's cannot be
> >  decoded correctly, is't can be use to encode the YVU stream and
> >  decode the h.263 stream correctly?
> >
> > _______________________________________________
> > MPlayer-users mailing list
> > MPlayer-users at mplayerhq.hu
> > http://mplayerhq.hu/mailman/listinfo/mplayer-users
>
> _______________________________________________
> MPlayer-users mailing list
> MPlayer-users at mplayerhq.hu
> http://mplayerhq.hu/mailman/listinfo/mplayer-users
>