[FFmpeg-trac] #407(avcodec:new): Crash in ff_put_pixels16_neon (EXC_BAD_ACCESS)

FFmpeg trac at avcodec.org
Fri Aug 19 19:25:02 CEST 2011


#407: Crash in ff_put_pixels16_neon (EXC_BAD_ACCESS)
-------------------------------------+--------------------------
 Reporter:  redeemarr                |        Type:  defect
   Status:  new                      |    Priority:  normal
Component:  avcodec                  |     Version:  unspecified
 Keywords:  Crash, Error resilience  |  Blocked By:
 Blocking:                           |  Reproduced:  0
 Analyzed:  0                        |
-------------------------------------+--------------------------
 Platform: Iphone OS, Cortex-A8 CPU.
 Library compiled with NEON asm and optimizations.

 Sometimes (quite rarely) I'm getting crash in ff_put_pixels16_neon while
 decoding h.264 frames. There's a lot of decoding errors due to device
 load, network losses, etc. As I could understand, crash happens when
 decoder tries to fix/consume decoding errors.

 Feel free to contact me if you need something (if this information is not
 detailed enough).

 Callstack looks like:

 {{{
 ff_put_pixels16_neon
 mc_dir_part
 hl_motion
 hl_decode_mb_simple
 decode_mb
 guess_mv
 ff_er_frame_end
 field_end
 decode_frame
 avcodec_decode_video2
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/407>
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