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[Bug 1547318] [NEW] after razoring new clip boundary goes gray/distorted

To: openshot.bugs@xxxxxxxxxxxxxxxxxxx
From: Callum <phlatphish@xxxxxxxxx>
Date: Fri, 19 Feb 2016 03:53:17 -0000
Reply-to: Bug 1547318 <1547318@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

I make a video file into clips using the razor tool. Taking two such
clips and playing them sequentially causes the image to distort and
become gray right after the boundary for a few moments before
normalizing. This happens in all profiles I have tested and when a
razored out clip follows an image or another video clip. It does not
happen if I just place a whole video file after an image in a track, and
play through the border. The gray/distortion carries over into exported
video.

Openshot 1.4.3 installed with apt-get

ffmpeg
ffmpeg version N-77455-g4707497 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
  libavutil      55. 11.100 / 55. 11.100
  libavcodec     57. 20.100 / 57. 20.100
  libavformat    57. 20.100 / 57. 20.100
  libavdevice    57.  0.100 / 57.  0.100
  libavfilter     6. 21.101 /  6. 21.101
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

melt -version
No LADSPA plugins were found!

Check your LADSPA_PATH environment variable.
melt 0.9.0
Copyright (C) 2002-2013 Ushodaya Enterprises Limited
<http://www.mltframework.org/>
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


lsb_release -a
LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.3 LTS
Release:	14.04
Codename:	trusty

uname -a
Linux kelpie 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

more  /proc/cpuinfo
processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 21
model		: 2
model name	: AMD FX(tm)-8320 Eight-Core Processor
stepping	: 0
microcode	: 0x6000822
cpu MHz		: 1400.000
cache size	: 2048 KB
physical id	: 0
siblings	: 8
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 13
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
 cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pd
pe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmp
erf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave av
x f16c lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dn
owprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext per
fctr_core perfctr_nb arat cpb hw_pstate npt lbrv svm_lock nrip_save tsc_sc
ale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold bmi1
bogomips	: 7000.33
TLB size	: 1536 4K pages
clflush size	: 64
cache_alignment	: 64
address sizes	: 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro

(four like this, one for each core).

** Affects: openshot
     Importance: Undecided
         Status: New


** Tags: boundary clip razor

-- 
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Bugs, which is subscribed to OpenShot Video Editor.
https://bugs.launchpad.net/bugs/1547318

Title:
  after razoring new clip boundary goes gray/distorted

Status in OpenShot Video Editor:
  New

Bug description:
  I make a video file into clips using the razor tool. Taking two such
  clips and playing them sequentially causes the image to distort and
  become gray right after the boundary for a few moments before
  normalizing. This happens in all profiles I have tested and when a
  razored out clip follows an image or another video clip. It does not
  happen if I just place a whole video file after an image in a track,
  and play through the border. The gray/distortion carries over into
  exported video.

  Openshot 1.4.3 installed with apt-get

  ffmpeg
  ffmpeg version N-77455-g4707497 Copyright (c) 2000-2015 the FFmpeg developers
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
    libavutil      55. 11.100 / 55. 11.100
    libavcodec     57. 20.100 / 57. 20.100
    libavformat    57. 20.100 / 57. 20.100
    libavdevice    57.  0.100 / 57.  0.100
    libavfilter     6. 21.101 /  6. 21.101
    libavresample   3.  0.  0 /  3.  0.  0
    libswscale      4.  0.100 /  4.  0.100
    libswresample   2.  0.101 /  2.  0.101
    libpostproc    54.  0.100 / 54.  0.100
  Hyper fast Audio and Video encoder
  usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

  melt -version
  No LADSPA plugins were found!

  Check your LADSPA_PATH environment variable.
  melt 0.9.0
  Copyright (C) 2002-2013 Ushodaya Enterprises Limited
  <http://www.mltframework.org/>
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  
  lsb_release -a
  LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
  Distributor ID:	Ubuntu
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04
  Codename:	trusty

  uname -a
  Linux kelpie 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  more  /proc/cpuinfo
  processor	: 0
  vendor_id	: AuthenticAMD
  cpu family	: 21
  model		: 2
  model name	: AMD FX(tm)-8320 Eight-Core Processor
  stepping	: 0
  microcode	: 0x6000822
  cpu MHz		: 1400.000
  cache size	: 2048 KB
  physical id	: 0
  siblings	: 8
  core id		: 0
  cpu cores	: 4
  apicid		: 16
  initial apicid	: 0
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 13
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
   cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pd
  pe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmp
  erf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave av
  x f16c lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dn
  owprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext per
  fctr_core perfctr_nb arat cpb hw_pstate npt lbrv svm_lock nrip_save tsc_sc
  ale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold bmi1
  bogomips	: 7000.33
  TLB size	: 1536 4K pages
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 48 bits physical, 48 bits virtual
  power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro

  (four like this, one for each core).

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Follow ups

[Bug 1547318] Re: after razoring new clip boundary goes gray/distorted
From: Callum, 2016-02-20