Random Crashes using gst_caps_new_simple

[Nick Haddad]

I'm calling gst_caps_new_simple using the following code:

GstCaps* caps = gst_caps_new_simple("video/x-raw-rgb",
                                                                   "bpp
", G_TYPE_INT, 24,
                                                                   
"depth
", G_TYPE_INT, 24,
                                                                   
"red_mask
", G_TYPE_INT, 0xFF0000,
                                                                   
"green_mask
", G_TYPE_INT, 0x00FF00,
                                                                         "blue_mask", G_TYPE_INT,  
0x0000FF,
                                                                   
"endianness", G_TYPE_INT, G_BIG_ENDIAN, NULL );


I'm doing this inside the decode bin's new pad callback and am getting  
random crashes on this call (after every 5th call or so).  Am I doing  
something wrong in the code above?  Is it valid to create a new caps  
object inside the decode bin's on new pad callback?  I presume this is  
happening on a gstreamer thread and didn't know if there was some  
issue in doing this.

Also, when crashing I get a one line stack trace with the following  
code:

[0] libglib-2.0.so.0:g_str_hash~(0x2aaacbdb4000, 0x2aaacbdb5300, 1, 0)  
+ 0 bytes

Any ideas?

Thanks,
-Nick

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[Tim-Philipp Müller-2]

On Sat, 2008-05-03 at 22:09 -0400, Nicholas Haddad wrote:

> (...)
> I'm doing this inside the decode bin's new pad callback and am getting  
> random crashes on this call (after every 5th call or so).  Am I doing  
> something wrong in the code above?

Doesn't look like it.

> Is it valid to create a new caps  
> object inside the decode bin's on new pad callback?

Of course.

> I presume this is happening on a gstreamer thread and didn't know if
>  there was some issue in doing this.

There shouldn't be an issue with that, it's done all the time.

> Also, when crashing I get a one line stack trace with the following  
> code:
>
> [0] libglib-2.0.so.0:g_str_hash~(0x2aaacbdb4000, 0x2aaacbdb5300, 1, 0)  
> + 0 bytes
>
> Any ideas?

Get a proper strack trace with full debugging symbols etc.?

Do you have a small test case to reproduce the problem?

Cheers
 -Tim



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