[FFmpeg-devel] AAC/RTP crash

Robert Swain robert.swain
Thu Jan 15 15:40:11 CET 2009

2009/1/15 Ronald S. Bultje <rsbultje at gmail.com>:
> With the built-in decoder instead of faad, RTP streams containing AAC
> data can crash ffplay. Example below:
> $ ./ffplay rtsp://video.medinfo.ufl.edu/opeta/MS_all.mov
> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_PROTECTION_FAILURE at address: 0x000000e5
> [Switching to process 28864 thread 0x7eab]
> 0x001467e3 in aac_decode_frame (avccontext=???, data=???,
> data_size=???, buf=???, buf_size=???) at libavcodec/aac.c:1493
> 1493                    if(che->ch[0].tns.present)
> I'm affraid I don't get a backtrace or any useful debugging data
> (which is a completely different issue that I should at some point ask
> questions about :-) ), but maybe one of the AAC decoder devs can
> reproduce this and look at it? This used to work fine with the faad
> decoder, and the RTP/AAC payload parser didn't change since then.

Compiled with --enable-debug=3 and run the ffplay_g binary in gdb I
assume...? I'll have a look later or tomorrow.


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