[FFmpeg-trac] #7570(avcodec:new): fate-h264-conformance-frext-hpcafl_bcrm_c failes with THREADS=3

FFmpeg trac at avcodec.org
Tue Nov 27 03:21:31 EET 2018


#7570: fate-h264-conformance-frext-hpcafl_bcrm_c failes with THREADS=3
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  h264
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Originally reported by Lauri Kasanen:
 http://ffmpeg.org/pipermail/ffmpeg-devel/2018-November/236620.html
 fate with THREADS=3 (and higher) fails (on Linux Power8) since
 bdbbb8f11edbf10add874508c5125c174d8939be, output looks different every
 time.
 {{{
 $ ./ffmpeg
 ffmpeg version N-92534-g5a76171 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 8.2.1 (GCC) 20180813 (Advance-Toolchain-at12.0) [revision
 263510]
   configuration: --enable-gpl --cc=/opt/at12.0/bin/gcc
   libavutil      56. 24.101 / 56. 24.101
   libavcodec     58. 40.100 / 58. 40.100
   libavformat    58. 23.100 / 58. 23.100
   libavdevice    58.  6.100 / 58.  6.100
   libavfilter     7. 46.100 /  7. 46.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
   libpostproc    55.  4.100 / 55.  4.100
 Hyper fast Audio and Video encoder
 usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options]
 outfile}...

 Use -h to get full help or, even better, run 'man ffmpeg'
 $ make THREADS=3 SAMPLES=../fate-suite fate-h264-conformance-frext-
 hpcafl_bcrm_c
 TEST    h264-conformance-frext-hpcafl_bcrm_c
 --- /home/cehoyos/Projects/FFmpeg/tests/ref/fate/h264-conformance-frext-
 hpcafl_bcrm_c   2018-11-27 01:07:22.736918154 +0000
 +++ tests/data/fate/h264-conformance-frext-hpcafl_bcrm_c        2018-11-27
 01:16:26.170503653 +0000
 @@ -178,7 +178,7 @@
  0,        172,        172,        1,   152064, 0x1c641176
  0,        173,        173,        1,   152064, 0xf71489a4
  0,        174,        174,        1,   152064, 0xd7ac5555
 -0,        175,        175,        1,   152064, 0xb4609c6d
 +0,        175,        175,        1,   152064, 0x99899c70
  0,        176,        176,        1,   152064, 0xf5b2bd5e
  0,        177,        177,        1,   152064, 0x9f43ce57
  0,        178,        178,        1,   152064, 0x77642dd3
 @@ -280,7 +280,7 @@
  0,        274,        274,        1,   152064, 0xa5496a0c
  0,        275,        275,        1,   152064, 0x84c25549
  0,        276,        276,        1,   152064, 0x96691600
 -0,        277,        277,        1,   152064, 0x423135db
 +0,        277,        277,        1,   152064, 0x3f6e35db
  0,        278,        278,        1,   152064, 0x8d2e08b6
  0,        279,        279,        1,   152064, 0xaeb4c840
  0,        280,        280,        1,   152064, 0xf3e71780
 Test h264-conformance-frext-hpcafl_bcrm_c failed. Look at
 tests/data/fate/h264-conformance-frext-hpcafl_bcrm_c.err for details.
 make: *** [fate-h264-conformance-frext-hpcafl_bcrm_c] Error 1
 }}}
 The commit that introduced the regression fixed ticket #4893, the sample
 in http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4893/ is not supposed
 to stop playback / transcoding after 15 (of 30) seconds.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7570>
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