Hi,

With current github MLT the frei0r plugins "frei0r.vectorscope" and
"frei0r.rgbparade" crash on Flowblade as soon as they are attached to
tractor, with line like: self.tractor.attach(self.vectorscope)

The gdb backstrace is attached.

Simply commenting out line 174 (as suggested by backtrace) gives new crash:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffb65f7700 (LWP 13092)]
convert_image (frame=0x7fff980013e0, image=0x7fffb65f6e58, format=0x22e75ac,
    output_format=mlt_image_yuv422) at filter_avcolour_space.c:224
224            if ( !av_convert_image( output, *image, out_fmt,
in_fmt, width, height,


I did a 'git bisect' and found the bad commit:

6834acd8779dbf5224a294c22a6d5f69f1903d3e is the first bad commit
commit 6834acd8779dbf5224a294c22a6d5f69f1903d3e
Author: Dan Dennedy <d...@dennedy.org>
Date:   Mon Jan 20 22:34:50 2014 -0800

    Fix a few problems with YCbCr colorspace conversion.



Janne

Attachment: vectorscope_backtrace
Description: Binary data

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