Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+

Comment (by anouar):

 Hi Michael,

 I have tested this patch on top of the latest ffmpeg code (commit#:
 0b420886a4410) but unfortunately I still see the same problem, similar to
 what Hendrik found.

 Best regards,
 Anouar

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+

Comment (by cehoyos):

 Replying to [comment:11 anouar]:
 > Replying to [comment:10 cehoyos]:
 > > Replying to [comment:9 anouar]:
 > > > is it possible to update its priority from normal to important since
 there are many customers using VLC player and complaining about those
 green block artifacts?
 > >
 > > Please point me to these complaints.

 Can you?

 > > Feel free to test this patch:
 > > http://ffmpeg.org/pipermail/ffmpeg-devel/2016-September/199855.html
 >
 > Thank you so much for the prompt reply, I'll try this patch and see if
 it fixes the problem.

 The patch was tested and unfortunately does not fix the issue:
 http://ffmpeg.org/pipermail/ffmpeg-devel/2016-September/199871.html

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+

Comment (by anouar):

 Replying to [comment:10 cehoyos]:
 > Replying to [comment:9 anouar]:
 > > is it possible to update its priority from normal to important since
 there are many customers using VLC player and complaining about those
 green block artifacts?
 >
 > Please point me to these complaints.
 >
 > Feel free to test this patch:
 > http://ffmpeg.org/pipermail/ffmpeg-devel/2016-September/199855.html


 Thank you so much for the prompt reply, I'll try this patch and see if it
 fixes the problem.

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+

Comment (by cehoyos):

 Replying to [comment:9 anouar]:
 > is it possible to update its priority from normal to important since
 there are many customers using VLC player and complaining about those
 green block artifacts?

 Please point me to these complaints.

 Feel free to test this patch:
 http://ffmpeg.org/pipermail/ffmpeg-devel/2016-September/199855.html

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+

Comment (by anouar):

 Hi Cehoyos,

 I have tried the latest ffmpeg windows build version: 11777eb
 (2016-09-19), and I'm still seeing the same problem. Please, is there any
 update on this ticket? and is it possible to update its priority from
 normal to important since there are many customers using VLC player and
 complaining about those green block artifacts?

 Best regards,
 Anouar

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+
Changes (by cehoyos):

 * reproduced:  0 => 1


Comment:

 The responsible functions are ff_h264_biweight_16_ssse3 and
 ff_h264_biweight_8_ssse3.
 Only reproducible with {{{-cpuflags mmx+ssse3}}} (which is equivalent to
 {{{-cpuflags ssse3}}}).
 Afaict:
 Only reproducible on (some?) Windows 64 systems.
 Only reproducible with a high thread count (>4?).

 Not a short-time regression, also reproducible with FFmpeg 2.1.

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Re: [FFmpeg-trac] #5579(avcodec:reopened): Random green block artifacts when decoding H264 streams

[FFmpeg]

#5579: Random green block artifacts when decoding H264 streams
+
 Reporter:  anouar  |Owner:
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  H264|   Blocked By:
 Blocking:  |  Reproduced by developer:  0
Analyzed by developer:  0   |
+
Changes (by cehoyos):

 * status:  closed => reopened
 * resolution:  wontfix =>


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