[FFmpeg-cvslog] r14758 - in trunk/libavcodec: dsputil.h mdct.c wma.c

[Mike Melanson]

superdump wrote:
> Author: superdump
> Date: Thu Aug 14 16:40:16 2008
> New Revision: 14758
> 
> Log:
> Add declarations for the sine tables used in wma.c (half window sizes: 128,
> 256, 512, 1024 and 2048) to mdct.c. Make them accessible via dsputil.h. Make
> wma.c use these shared tables.
> 
> 
> Modified:
>    trunk/libavcodec/dsputil.h
>    trunk/libavcodec/mdct.c
>    trunk/libavcodec/wma.c

Try running the regression suite. This really makes the WMA test fail in 
a big way:

./build-cache/ffmpeg-14758 -y -flags +bitexact -dct fastint -idct simple 
-ab 128k -ac 2 -f s16le -i ffmpeg-build/tests/asynth1.sw -acodec wmav1 
a-wmav1.asf


Check this out:


*** glibc detected *** ./build-cache/ffmpeg-14758: free(): invalid 
pointer: 0x0877e6c0 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7dd9a85]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7ddd4f0]
./build-cache/ffmpeg-14758(ff_wma_end+0x5a)[0x83bc24a]
======= Memory map: ========
08048000-08518000 r-xp 00000000 08:01 96671 
/home/melanson/ffmpeg-regression/build-cache/ffmpeg-14758
08518000-08522000 rw-p 004cf000 08:01 96671 
/home/melanson/ffmpeg-regression/build-cache/ffmpeg-14758
08522000-0880a000 rw-p 08522000 00:00 0          [heap]
b7b00000-b7b21000 rw-p b7b00000 00:00 0
b7b21000-b7c00000 ---p b7b21000 00:00 0
b7c05000-b7c0f000 r-xp 00000000 08:01 123318     /lib/libgcc_s.so.1
b7c0f000-b7c10000 rw-p 0000a000 08:01 123318     /lib/libgcc_s.so.1
b7c15000-b7d6e000 rw-p b7c15000 00:00 0
b7d6e000-b7eb7000 r-xp 00000000 08:01 123595 
/lib/tls/i686/cmov/libc-2.7.so
b7eb7000-b7eb8000 r--p 00149000 08:01 123595 
/lib/tls/i686/cmov/libc-2.7.so
b7eb8000-b7eba000 rw-p 0014a000 08:01 123595 
/lib/tls/i686/cmov/libc-2.7.so
b7eba000-b7ebd000 rw-p b7eba000 00:00 0
b7ebd000-b7ebf000 r-xp 00000000 08:01 123603 
/lib/tls/i686/cmov/libdl-2.7.so
b7ebf000-b7ec1000 rw-p 00001000 08:01 123603 
/lib/tls/i686/cmov/libdl-2.7.so
b7ec1000-b7ec2000 rw-p b7ec1000 00:00 0
b7ec2000-b7ee5000 r-xp 00000000 08:01 123609 
/lib/tls/i686/cmov/libm-2.7.so
b7ee5000-b7ee7000 rw-p 00023000 08:01 123609 
/lib/tls/i686/cmov/libm-2.7.so
b7ee7000-b7efb000 r-xp 00000000 08:01 18472      /usr/lib/libz.so.1.2.3.3
b7efb000-b7efc000 rw-p 00013000 08:01 18472      /usr/lib/libz.so.1.2.3.3
b7f01000-b7f03000 rw-p b7f01000 00:00 0
b7f03000-b7f04000 r-xp b7f03000 00:00 0          [vdso]
b7f04000-b7f1e000 r-xp 00000000 08:01 122925     /lib/ld-2.7.so
b7f1e000-b7f20000 rw-p 00019000 08:01 122925     /lib/ld-2.7.so
bf96e000-bf983000 rw-p bffeb000 00:00 0          [stack]
Aborted


Happens on x86_32 and PowerPC and is probably why x86_64 regressions are 
failing as well. The crash emanates from ff_wma_end().

-- 
	-Mike Melanson