[FFmpeg-trac] #6506(undetermined:new): gdv: black screen
FFmpeg
trac at avcodec.org
Thu Jun 29 21:04:26 EEST 2017
#6506: gdv: black screen
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
https://files.fm/u/surrwqqv
also with this video some artefacts are visible:
http://cd.textfiles.com/cdzone/cdzone36/GDV/LOC0/CLIMBACK.GDV
(I added some debug info about compression number to the log output)
{{{
C:\>ffmpeg -i I:\SS6P1_S.GDV out.avi
ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.6.2 (GCC)
configuration: --disable-pthreads --enable-gpl --disable-ffprobe
libavutil 55. 67.100 / 55. 67.100
libavcodec 57.100.102 / 57.100.102
libavformat 57. 75.100 / 57. 75.100
libavdevice 57. 7.100 / 57. 7.100
libavfilter 6. 94.100 / 6. 94.100
libswscale 4. 7.101 / 4. 7.101
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
[gdv @ 0235d7c0] Warning: not compiled with thread support, using thread
emulati
on
[pcm_u8 @ 024c8560] Warning: not compiled with thread support, using
thread emul
ation
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, gdv, from 'I:\SS6P1_S.GDV':
Duration: 00:01:07.75, start: 0.000000, bitrate: 1605 kb/s
Stream #0:0: Video: gdv, pal8, 640x170, 12 fps, 12 tbr, 12 tbn, 12 tbc
Stream #0:1: Audio: pcm_u8, 22050 Hz, mono, u8, 176 kb/s
[gdv @ 024e5100] Warning: not compiled with thread support, using thread
emulati
on
[pcm_u8 @ 024c9b00] Warning: not compiled with thread support, using
thread emul
ation
Stream mapping:
Stream #0:0 -> #0:0 (gdv (native) -> mpeg4 (native))
Stream #0:1 -> #0:1 (pcm_u8 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[ac3 @ 024ca200] Warning: not compiled with thread support, using thread
emulati
on
[gdv @ 024e5100] compression 2
[mpeg4 @ 02575940] Warning: not compiled with thread support, using thread
emula
tion
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf57.75.100
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 640x170,
q=2-31, 200
kb/s, 12 fps, 12 tbn, 12 tbc
Metadata:
encoder : Lavc57.100.102 mpeg4
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 22050 Hz, mono, fltp,
96 kb/s
Metadata:
encoder : Lavc57.100.102 ac3
[gdv @ 024e5100] compression 2
Last message repeated 333 times
frame= 335 fps=0.0 q=2.0 size= 266kB time=00:00:27.91 bitrate=
78.0kbits/s
[gdv @ 024e5100] compression 2
Last message repeated 338 times
frame= 674 fps=0.0 q=2.0 size= 778kB time=00:00:56.16 bitrate=
113.4kbits/s
[gdv @ 024e5100] compression 2
Last message repeated 130 times
[gdv @ 024e5100] compression 3
Last message repeated 7 times
frame= 813 fps=676 q=2.0 Lsize= 976kB time=00:01:07.77 bitrate=
117.9kbits/
s speed=56.3x
video:130kB audio:794kB subtitle:0kB other streams:0kB global headers:0kB
muxing
overhead: 5.585867%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6506>
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