Hallo

Sorry for the delay, my I-Net connections was broken the last two days.

Would you be so kind and modifiy your command a last time ?
>> That lookes strange. What output driver did you use and what program to
>> capture the output ?
> 
> Here's the way I generated the screenshots :
> - I rendered an mpeg from an YUV4MPEG4 stream made with Cinelerra. The
>   stream is encoded with mpeg2enc using that syntax :
> yuvcorrect -v 0 -T INTERLACED_BOTTOM_FIRST | yuvscaler -v 0 -I
> ACTIVE_700x560+8+8 | y4mshift -n 2 | mpeg2enc -v 0 -K tmpgenc -r 32 -4 1
> -2 1 -D 10 -E 10 -g 15 - G 15 -q 6 -b 9400 -f 8 -o $1 

To that command:
y4mblack -n 100 -w 720 -h 576 -i p -r 25:1 | \
mpeg2enc -v 0 -K tmpgenc -r 32 -4 1 -2 1 -D 10 -E 10 \
-g  15 -G 15 -q 6 -b 9400 -f 8 -o test_wo_yuvscaler.m2v

y4mblack -n 100 -w 720 -h 576 -i p -r 25:1 | \
yuvscaler -I ACTIVE_700x560+8+8 | \
mpeg2enc -v 0 -K tmpgenc -r 32 -4 1 -2 1 -D 10 -E 10 \
-g  15 -G 15 -q 6 -b 9400 -f 8 -o test_w_yuvscaler.m2v

And than run a diff :
diff -s test_wo_yuvscaler.m2v test_w_yuvscaler.m2v

If you get as output the same thing I got:
Files .... are identical

Then problem is not in the mjpegtools. Than both files are binary
identical. That means that the border is in both files existent or not
existent.

With y4mblack you can generate streams in any color, black be default.
And you encode black with mpeg2enc, and once with yuvscaler included.
You have no additional that could make problems.

auf hoffentlich bald,

Berni the Chaos of Woodquarter

Email: [EMAIL PROTECTED]
www: http://www.lysator.liu.se/~gz/bernhard

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