tag 648843 moreinfo stop On Wed, Nov 16, 2011 at 00:26:34 (CET), Eric Cooper wrote:
> On Tue, Nov 15, 2011 at 05:07:19PM +0100, Reinhard Tartler wrote: >> Can you please install the package libav-dbg and attach a stacktrace for >> this crash? > > $ gdb ffmpeg > [...] > Press ctrl-c to stop encoding > Input stream #0.1 frame changed from rate:48000 fmt:s16 ch:6 to rate:48000 > fmt:flt ch:6 > [dvd @ 0x6480e0] buffer underflow i=1 bufi=1017 size=1792rate=4012.2kbits/s > dup=4775 drop=0 > Last message repeated 3 times051400kB time=2597.80 bitrate=3315.5kbits/s > dup=12910 drop=0 > Input stream #0.1 frame changed from rate:48000 fmt:flt ch:6 to rate:48000 > fmt:flt ch:2 > Warning, using s16 intermediate sample format for resampling > > Program received signal SIGSEGV, Segmentation fault. > ac3_extract_exponents_c (exp=0x0, coef=0x6a68c0, nb_coefs=10752) > at > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3dsp.c:181 > 181 > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3dsp.c: > No such file or directory. > in > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3dsp.c > (gdb) bt > #0 ac3_extract_exponents_c (exp=0x0, coef=0x6a68c0, nb_coefs=10752) > at > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3dsp.c:181 > #1 0x00007ffff6a24702 in extract_exponents (s=0x734d20) > at > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3enc.c:318 > #2 process_exponents (s=0x734d20) > at > /build/buildd-libav_0.7.2-1+b1-amd64-gyQUa8/libav-0.7.2/libavcodec/ac3enc.c:575 Just a wild guess, can you perhaps try to encode to some other audio codec than AC3? If the crash disappears, then we could at least narrow down the issue. >> Please try to reproduce the issue with a shortened version of the >> file. > > I haven't been able to do this yet, since I don't know how to shorten > the MKV file and still have it be well-formed. Well, without a testcase, I fear there is little we can do about this issue, then. Cheers, Reinhard -- Gruesse/greetings, Reinhard Tartler, KeyID 945348A4 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
