[Ffmpeg-devel] Re: [PATCH] fix for segfault in mac3 audio

Baptiste Coudurier baptiste.coudurier
Thu Aug 24 20:39:58 CEST 2006


Diego Biurrun wrote:
> On Wed, Aug 23, 2006 at 11:02:18AM +0200, Diego Biurrun wrote:
>> On Tue, Aug 22, 2006 at 09:13:09PM -0400, compn wrote:
>>> i get a segfault on win32 playing mac3audio.mov in mphq/incoming
>> Moved to
>> http://samples.mplayerhq.hu/A-codecs/MACE/mac3/
>> The sample works fine for me on PPC with MPlayer's native demuxer.
>> libavformat produces a lot of crackling artifacts and makes MPlayer
>> crash, but not ffplay.  libavformat detects 25fps while MPlayer's
>> native demuxer detects 12.5 fps.
>> My K6-III crashes every time in init_audio_codec with the native
>> demuxer, with libavformat it does sometimes crash in decode_audio,
>> sometimes it works fine.
>> Who's the maintainer of libavcodec/mace.c?  Mike?
> And yes, the patch fixes the crash, but libavformat still produces those
> horrible crackling artifacts.
> Diego

Should be fixed, also you can notice a tiny tick when hearing with
native decoder, qt decoder does not produce that tick.
Regarding fps, it seems to be a vfr. Quicktime mostly reports around 25 fps.

Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
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