[FFmpeg-devel] Bugreport: PAFF crashes ffplay, more info than older report, appendix

Diego Biurrun diego
Thu May 3 15:57:15 CEST 2007


On Thu, May 03, 2007 at 02:47:16PM +0200, Thorsten Jordan wrote:
> 
> more info...

On which bug report?  Why didn't you send it as a reply to the original
report?

> the pointer value of "buf" in draw_edges_mmx is exactly "wrap" larger
> than the original value of picture->data[0] when the buffer was
> allocated -> array out of bounds.
> This means a picture is allocated in utils.c,
> avcodec_default_get_buffer() and some addresses are put to
> picture->data[0] etc.
> when later draw_edges_mmx is called in MPV_frame_end() the address is
> suprisingly "wrap" bytes larger (here 752 with the example material).
> Why this is and why it happens only with PAFF is a mystery...

Where is the sample to reproduce this problem?

Diego




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