At 3:41 PM +0200 3/6/09, Hervé wrote:
>hello, I'm not developper but it could not be a buffer concern? (it's
>just an idea)
Following this hint, I doubled the buffer sizes allocated
by y4mstabilizer and it now works! I have no idea how much
overkill this solution is... for all I know it may have
been an off-by-one error. But this patch (below) got it
working for me.
As it turns out, this tool doesn't do what I wanted it
to anyway.
Thanks for all your help everyone. I've learned a good
deal about all these tools, and I thought I knew them
pretty well already!
And @Mark Heath... I had seen your tools before, and I
will have another look at them in future. You have some
really interesting code there, and with a bit of
cleaning up and packaging it could be a great supplement
to mjpegtools.
...Richard.
diff -U3 -r mjpegtools-1.9.0/lavtools/y4mstabilizer.c
mjpegtools-1.9.0-patch/lavtools/y4mstabilizer.c
--- mjpegtools-1.9.0/lavtools/y4mstabilizer.c 2007-04-03
01:43:33.000000000 +1000
+++ mjpegtools-1.9.0-patch/lavtools/y4mstabilizer.c 2009-06-04
10:12:06.000000000 +1000
@@ -1,5 +1,5 @@
/*
- * $Id: y4mstabilizer.c,v 1.9 2007/04/01 18:06:06 sms00 Exp $
+ * $Id: y4mstabilizer.c,v 1.10 2009/01/24 18:06:45 sms00 Exp $
*
* written by J. Macropol <j...@wx.gd-ais.com>
* Framework and shifting code adapted from y4mshift by Steve Schultz.
@@ -350,7 +350,7 @@
static void
alloc_yuv (u_char **yuv, int h, int w)
{
-int len = h * w;
+int len = h * w *2;
int uvlen = Stab.nosuper ? (len / (SS_H * SS_V)) : len;
yuv[0] = malloc(len);
if (yuv[0] == NULL)
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