[FFmpeg-devel] [PATCH] dsputil: make selectable.

[Ronald S. Bultje]

Hi,

On Sat, Mar 9, 2013 at 11:28 PM, James Almer <jamrial at gmail.com> wrote:
> On 10/03/13 2:26 AM, Ronald S. Bultje wrote:
>> From: "Ronald S. Bultje" <rsbultje at gmail.com>
>>
>> ---
>>  configure                        | 78 ++++++++++++++++++++++++++--------------
>>  libavcodec/Makefile              |  7 ++--
>>  libavcodec/utils.c               |  3 +-
>>  libavcodec/x86/Makefile          | 16 +++++----
>>  libavcodec/x86/constants.c       | 39 ++++++++++++++++++++
>>  libavcodec/x86/dsputil_mmx.c     | 22 ------------
>>  libavcodec/x86/dsputil_mmx.h     |  7 ----
>>  libavcodec/x86/h264_chromamc.asm |  2 +-
>>  libavcodec/x86/h264_deblock.asm  |  2 +-
>>  libavcodec/x86/vp8dsp.asm        | 13 ++++---
>>  libavutil/x86/asm.h              |  2 ++
>>  11 files changed, 115 insertions(+), 76 deletions(-)
>>  create mode 100644 libavcodec/x86/constants.c
>
> Applying this patch then building ffmpeg with --disable-everything --enable-decoder='h264,dca'
> --enable-demuxer=matroska --enable-protocol=file makes quite a few h264 matroska files crash
> with this gdb output:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x005dcf60 in ff_deblock_v_luma_8_sse2 ()
> (gdb) bt
> #0  0x005dcf60 in ff_deblock_v_luma_8_sse2 ()
> #1  0x00000000 in ?? ()
>
> I can upload a sample that crashes like this if you need it.

Do you have output of disass or info all-registers?

Ronald