[FFmpeg-trac] #1135(avcodec:new): ffmpeg/ffplay crashes with lowres=1 or lowres=3 with 1080i mpeg2 video on arm-neon

FFmpeg trac at avcodec.org
Tue Apr 3 15:37:42 CEST 2012


#1135: ffmpeg/ffplay crashes with lowres=1 or lowres=3 with 1080i mpeg2 video on
arm-neon
------------------------------------+-----------------------------------
             Reporter:  yiwang      |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  arm         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by yiwang):

 I forgot to mention that the problem is also reproducible with the gcc
 that comes with older release of Xcode (non-llvm):

 ./gcc -arch armv7 -v
 Using built-in specs.
 Target: arm-apple-darwin10
 Configured with: /var/tmp/gcc/gcc-5666.3~88/src/configure --disable-
 checking --enable-werror --prefix=/usr --mandir=/usr/share/man --enable-
 languages=c,objc,c++,obj-c++ --program-transform-
 name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-
 darwin10 --enable-werror-always --program-prefix=arm-apple-darwin10-
 --host=i686-apple-darwin10 --target=arm-apple-darwin10 --with-gxx-include-
 dir=/usr/include/c++/4.2.1 --with-build-
 sysroot=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.Internal.sdk
 Thread model: posix
 gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)


 Does this mean it's not caused by clang?

 I can certainly help testing with clang. Just tell me what need to be
 done.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1135#comment:10>
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