On Sat, 28 Aug 2004 [EMAIL PROTECTED] wrote:

> [In July I asked how to skip the first frame in a yuv stream, because mplayer
> was putting a green frame at the beginning. I apologize to Steven Shultz and
> Selva Nair for not having answered earlier to their helpful messages.]
> 
> 
> On Wed, 14 Jul 2004, Steven M. Schultz wrote:
> >     I thought that problem had been fixed in MPlayer quite a while ago.
> >     Are you running the latest CVS version or an older version of MPlayer?
> 
> Thanks! I've upgraded my version of mplayer and I don't see those green frames
> anymore.
> 
> 
> On the same day Selva Nair wrote:
> > Here is a utility that I use to trim yuv4mpeg streams. Link it with
> > -lmjpegutils and try "y4mcut -h" for usage.
> 
> This is a nice program, thank you! It works quite well.
> Note: I had to changes some double quotes to single quotes for the file to
> compile:
> case "v" -> case 'v'
> etc...

That was an old program I wrote, never rebuilt in a long time -- I 
probably "polished it up" and posted without testing -- sorry about that.
Having said that, I have no idea from where that double quote crept in,
I have case 'v' in my copy !

> otherwise gcc would print "y4mcut.c:64: error: case label does not reduce to an
> integer constant".
> 
> Also, I got the following errors:
> y4mcut.c:98: error: structure has no member named `width'
> y4mcut.c:99: error: structure has no member named `height'

There has been several changes in YUV4MPEG API and direct accessing
of stream_info structure is now not supported.

> 
> I just changed "int Y4MPRIVATIZE(width);" and "int Y4MPRIVATIZE(height);" to
> "int width;" and "int height;" in the struct _y4m_stream_info (in yuv4mpeg.h)
> and it compiled, but I wonder why this dirty change was necessary... was it a
> problem with my gcc version? (I use gcc 3.3.4)

Oh no, y4mcut should be updated by replacing istream.width and
istream.height by y4m_si_get_width(istream) and
y4m_get_si_height(istream), respectively. 

Selva



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