[FFmpeg-soc] aac decoder crash

Benjamin Larsson banan at ludd.ltu.se
Mon Jul 14 21:17:19 CEST 2008


Pascal Patry wrote:
> I'm getting a segfault while using the latest AAC decoder with the latest 
> FFmpeg revision on multiple files.
> 
> The problem seems to be coming from this line (aac.c:2239):
> ac->dsp.float_to_int16(data, ac->interleaved_output, 1024 * 
> avccontext->channels);
> 
> Here is the complete stack while using ffplay:
> #0  0x08102535 in float_to_int16_sse2 (dst=0xb71c90c0, src=0x8801f48, 
> len=2048) at libavcodec/i386/dsputil_mmx.c:2141

interleaved_output doesn't seem to have the required alignment.

MvH
Benjamin Larsson



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