[FFmpeg-trac] #2846(undetermined:new): Two-pass libx264 -preset veryslow crashes on some MPEG-type inputs

FFmpeg trac at avcodec.org
Mon Aug 19 09:36:12 CEST 2013

#2846: Two-pass libx264 -preset veryslow crashes on some MPEG-type inputs
             Reporter:               |                    Owner:
  francois.visagie@…                 |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  crash        |               Blocked By:
  libx264                            |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by francois.visagie@…):

 Replying to [comment:4 cehoyos]:
 > Please provide a sample that allows to reproduce the crash.

 No problem. Do I need to follow "Submitting Sample Media" under
 http://www.ffmpeg.org/bugreports.html exactly (splitting in 10,000-byte
 chunks, converting to RGB/YUV/PCM? etc.), or can I just upload the
 appropriately renamed VTS_01_4.VOB?

 > Am I correct that the crash does not happen if you either use {{{-vsync
 0}}} for both the first and the second pass or if you use {{{-an}}} for
 both passes or if you use the same audio filter for the first pass as for
 the second?

 Thanks for the suggestions; I am running those tests now.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2846#comment:5>
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