Opened 4 years ago

Closed 4 years ago

#1470 closed defect (fixed)

The blackdetect filter does not summarize black at the end of a video stream

Reported by: dericed Owned by:
Priority: normal Component: avfilter
Version: git-master Keywords: blackdetect
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: yes

Description

Summary of the bug:
How to reproduce:

I made a video with black at the beginning, middle and end, like this:
ffmpeg -f lavfi -t 5 -i color=black -target ntsc-dv black.dv
ffmpeg -f lavfi -t 5 -i color=red -target ntsc-dv red.dv
cat black.dv red.dv black.dv red.dv black.dv > colors.dv

Here is my terminal output:

ffmpeg -i colors.dv -vf blackdetect -f null -
ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers
  built on May 23 2012 09:21:20 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-libfreetype --cc=/usr/bin/gcc-4.2 --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass
  libavutil      51. 53.100 / 51. 53.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 76.100 /  2. 76.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[dv @ 0x7fb2c903d800] Estimating duration from bitrate, this may be inaccurate
Input #0, dv, from 'colors.dv':
  Metadata:
    timecode        : 00:00:00:00
  Duration: 00:00:25.02, start: 0.000000, bitrate: 28771 kb/s
    Stream #0:0: Video: dvvideo, yuv411p, 720x480, 28771 kb/s, SAR 8:9 DAR 4:3, 29.97 tbr, 29.97 tbn, 29.97 tbc
[buffer @ 0x7fb2c8c19000] w:720 h:480 pixfmt:yuv411p tb:1001/30000 sar:8/9 sws_param:flags=2
[buffersink @ 0x7fb2c8c19340] No opaque field provided
[blackdetect @ 0x7fb2c8c19700] black_min_duration:1.96863 pixel_black_th:0.100000 pixel_black_th_i:37 picture_black_ratio_th:0.980000
Output #0, null, to 'pipe:':
  Metadata:
    timecode        : 00:00:00:00
    encoder         : Lavf54.6.100
    Stream #0:0: Video: rawvideo (Y41B / 0x42313459), yuv411p, 720x480 [SAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo -> rawvideo)
Press [q] to stop, [?] for help
[null @ 0x7fb2c9047600] Encoder did not produce proper pts, making some up.
[blackdetect @ 0x7fb2c8c19700] black_start:0 black_end:5.005 black_duration:5.005
black_start:10.01 black_end:15.015 black_duration:5.005.94 bitrate=   0.0kbits/s    
frame=  750 fps=531 q=0.0 Lsize=       0kB time=00:00:25.02 bitrate=   0.0kbits/s    
video:0kB audio:0kB global headers:0kB muxing overhead nan%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

This shows two black_starts at 0 and 10.01.

When I run with the -report flag I can see that blackdetect is finding the black frames at the end but the summary line that states when black starts and ends is not reported.

ffmpeg started on 2012-06-20 at 09:55:50
Report written to "ffmpeg-20120620-095550.log"
Command line:
ffmpeg -report -i colors.dv -vf blackdetect -f null -
ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers
  built on May 23 2012 09:21:20 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-libfreetype --cc=/usr/bin/gcc-4.2 --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass
  libavutil      51. 53.100 / 51. 53.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 76.100 /  2. 76.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[dv @ 0x7fa78404e200] Format dv probed with size=131072 and score=75
[dv @ 0x7fa78404e200] File position before avformat_find_stream_info() is 0
[dv @ 0x7fa78404e200] All info found
[dv @ 0x7fa78404e200] Estimating duration from bitrate, this may be inaccurate
[dv @ 0x7fa78404e200] File position after avformat_find_stream_info() is 120000
Input #0, dv, from 'colors.dv':
  Metadata:
    timecode        : 00:00:00:00
  Duration: 00:00:25.02, start: 0.000000, bitrate: 28771 kb/s
    Stream #0:0, 1, 1001/30000: Video: dvvideo, yuv411p, 720x480, 28771 kb/s, SAR 8:9 DAR 4:3, 29.97 tbr, 29.97 tbn, 29.97 tbc
[buffer @ 0x7fa783c190a0] w:720 h:480 pixfmt:yuv411p tb:1001/30000 sar:8/9 sws_param:flags=2
[buffersink @ 0x7fa783c193c0] No opaque field provided
[blackdetect @ 0x7fa783c19780] black_min_duration:1.96863 pixel_black_th:0.100000 pixel_black_th_i:37 picture_black_ratio_th:0.980000
[dvvideo @ 0x7fa784064600] detected 8 logical cores
Output #0, null, to 'pipe:':
  Metadata:
    timecode        : 00:00:00:00
    encoder         : Lavf54.6.100
    Stream #0:0, 0, 1/90000: Video: rawvideo (Y41B / 0x42313459), yuv411p, 720x480 [SAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo -> rawvideo)
Press [q] to stop, [?] for help
[blackdetect @ 0x7fa783c196c0] frame:0 picture_black_ratio:1.000000 pos:0 pts:0 t:0 type:I
[null @ 0x7fa78405ea00] Encoder did not produce proper pts, making some up.
[blackdetect @ 0x7fa783c196c0] frame:1 picture_black_ratio:1.000000 pos:120000 pts:1 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:2 picture_black_ratio:1.000000 pos:240000 pts:2 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:3 picture_black_ratio:1.000000 pos:360000 pts:3 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:4 picture_black_ratio:1.000000 pos:480000 pts:4 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:5 picture_black_ratio:1.000000 pos:600000 pts:5 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:6 picture_black_ratio:1.000000 pos:720000 pts:6 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:7 picture_black_ratio:1.000000 pos:840000 pts:7 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:8 picture_black_ratio:1.000000 pos:960000 pts:8 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:9 picture_black_ratio:1.000000 pos:1080000 pts:9 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:10 picture_black_ratio:1.000000 pos:1200000 pts:10 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:11 picture_black_ratio:1.000000 pos:1320000 pts:11 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:12 picture_black_ratio:1.000000 pos:1440000 pts:12 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:13 picture_black_ratio:1.000000 pos:1560000 pts:13 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:14 picture_black_ratio:1.000000 pos:1680000 pts:14 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:15 picture_black_ratio:1.000000 pos:1800000 pts:15 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:16 picture_black_ratio:1.000000 pos:1920000 pts:16 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:17 picture_black_ratio:1.000000 pos:2040000 pts:17 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:18 picture_black_ratio:1.000000 pos:2160000 pts:18 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:19 picture_black_ratio:1.000000 pos:2280000 pts:19 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:20 picture_black_ratio:1.000000 pos:2400000 pts:20 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:21 picture_black_ratio:1.000000 pos:2520000 pts:21 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:22 picture_black_ratio:1.000000 pos:2640000 pts:22 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:23 picture_black_ratio:1.000000 pos:2760000 pts:23 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:24 picture_black_ratio:1.000000 pos:2880000 pts:24 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:25 picture_black_ratio:1.000000 pos:3000000 pts:25 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:26 picture_black_ratio:1.000000 pos:3120000 pts:26 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:27 picture_black_ratio:1.000000 pos:3240000 pts:27 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:28 picture_black_ratio:1.000000 pos:3360000 pts:28 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:29 picture_black_ratio:1.000000 pos:3480000 pts:29 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:30 picture_black_ratio:1.000000 pos:3600000 pts:30 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:31 picture_black_ratio:1.000000 pos:3720000 pts:31 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:32 picture_black_ratio:1.000000 pos:3840000 pts:32 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:33 picture_black_ratio:1.000000 pos:3960000 pts:33 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:34 picture_black_ratio:1.000000 pos:4080000 pts:34 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:35 picture_black_ratio:1.000000 pos:4200000 pts:35 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:36 picture_black_ratio:1.000000 pos:4320000 pts:36 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:37 picture_black_ratio:1.000000 pos:4440000 pts:37 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:38 picture_black_ratio:1.000000 pos:4560000 pts:38 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:39 picture_black_ratio:1.000000 pos:4680000 pts:39 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:40 picture_black_ratio:1.000000 pos:4800000 pts:40 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:41 picture_black_ratio:1.000000 pos:4920000 pts:41 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:42 picture_black_ratio:1.000000 pos:5040000 pts:42 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:43 picture_black_ratio:1.000000 pos:5160000 pts:43 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:44 picture_black_ratio:1.000000 pos:5280000 pts:44 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:45 picture_black_ratio:1.000000 pos:5400000 pts:45 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:46 picture_black_ratio:1.000000 pos:5520000 pts:46 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:47 picture_black_ratio:1.000000 pos:5640000 pts:47 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:48 picture_black_ratio:1.000000 pos:5760000 pts:48 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:49 picture_black_ratio:1.000000 pos:5880000 pts:49 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:50 picture_black_ratio:1.000000 pos:6000000 pts:50 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:51 picture_black_ratio:1.000000 pos:6120000 pts:51 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:52 picture_black_ratio:1.000000 pos:6240000 pts:52 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:53 picture_black_ratio:1.000000 pos:6360000 pts:53 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:54 picture_black_ratio:1.000000 pos:6480000 pts:54 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:55 picture_black_ratio:1.000000 pos:6600000 pts:55 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:56 picture_black_ratio:1.000000 pos:6720000 pts:56 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:57 picture_black_ratio:1.000000 pos:6840000 pts:57 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:58 picture_black_ratio:1.000000 pos:6960000 pts:58 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:59 picture_black_ratio:1.000000 pos:7080000 pts:59 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:60 picture_black_ratio:1.000000 pos:7200000 pts:60 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:61 picture_black_ratio:1.000000 pos:7320000 pts:61 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:62 picture_black_ratio:1.000000 pos:7440000 pts:62 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:63 picture_black_ratio:1.000000 pos:7560000 pts:63 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:64 picture_black_ratio:1.000000 pos:7680000 pts:64 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:65 picture_black_ratio:1.000000 pos:7800000 pts:65 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:66 picture_black_ratio:1.000000 pos:7920000 pts:66 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:67 picture_black_ratio:1.000000 pos:8040000 pts:67 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:68 picture_black_ratio:1.000000 pos:8160000 pts:68 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:69 picture_black_ratio:1.000000 pos:8280000 pts:69 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:70 picture_black_ratio:1.000000 pos:8400000 pts:70 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:71 picture_black_ratio:1.000000 pos:8520000 pts:71 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:72 picture_black_ratio:1.000000 pos:8640000 pts:72 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:73 picture_black_ratio:1.000000 pos:8760000 pts:73 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:74 picture_black_ratio:1.000000 pos:8880000 pts:74 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:75 picture_black_ratio:1.000000 pos:9000000 pts:75 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:76 picture_black_ratio:1.000000 pos:9120000 pts:76 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:77 picture_black_ratio:1.000000 pos:9240000 pts:77 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:78 picture_black_ratio:1.000000 pos:9360000 pts:78 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:79 picture_black_ratio:1.000000 pos:9480000 pts:79 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:80 picture_black_ratio:1.000000 pos:9600000 pts:80 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:81 picture_black_ratio:1.000000 pos:9720000 pts:81 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:82 picture_black_ratio:1.000000 pos:9840000 pts:82 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:83 picture_black_ratio:1.000000 pos:9960000 pts:83 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:84 picture_black_ratio:1.000000 pos:10080000 pts:84 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:85 picture_black_ratio:1.000000 pos:10200000 pts:85 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:86 picture_black_ratio:1.000000 pos:10320000 pts:86 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:87 picture_black_ratio:1.000000 pos:10440000 pts:87 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:88 picture_black_ratio:1.000000 pos:10560000 pts:88 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:89 picture_black_ratio:1.000000 pos:10680000 pts:89 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:90 picture_black_ratio:1.000000 pos:10800000 pts:90 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:91 picture_black_ratio:1.000000 pos:10920000 pts:91 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:92 picture_black_ratio:1.000000 pos:11040000 pts:92 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:93 picture_black_ratio:1.000000 pos:11160000 pts:93 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:94 picture_black_ratio:1.000000 pos:11280000 pts:94 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:95 picture_black_ratio:1.000000 pos:11400000 pts:95 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:96 picture_black_ratio:1.000000 pos:11520000 pts:96 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:97 picture_black_ratio:1.000000 pos:11640000 pts:97 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:98 picture_black_ratio:1.000000 pos:11760000 pts:98 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:99 picture_black_ratio:1.000000 pos:11880000 pts:99 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:100 picture_black_ratio:1.000000 pos:12000000 pts:100 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:101 picture_black_ratio:1.000000 pos:12120000 pts:101 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:102 picture_black_ratio:1.000000 pos:12240000 pts:102 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:103 picture_black_ratio:1.000000 pos:12360000 pts:103 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:104 picture_black_ratio:1.000000 pos:12480000 pts:104 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:105 picture_black_ratio:1.000000 pos:12600000 pts:105 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:106 picture_black_ratio:1.000000 pos:12720000 pts:106 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:107 picture_black_ratio:1.000000 pos:12840000 pts:107 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:108 picture_black_ratio:1.000000 pos:12960000 pts:108 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:109 picture_black_ratio:1.000000 pos:13080000 pts:109 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:110 picture_black_ratio:1.000000 pos:13200000 pts:110 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:111 picture_black_ratio:1.000000 pos:13320000 pts:111 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:112 picture_black_ratio:1.000000 pos:13440000 pts:112 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:113 picture_black_ratio:1.000000 pos:13560000 pts:113 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:114 picture_black_ratio:1.000000 pos:13680000 pts:114 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:115 picture_black_ratio:1.000000 pos:13800000 pts:115 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:116 picture_black_ratio:1.000000 pos:13920000 pts:116 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:117 picture_black_ratio:1.000000 pos:14040000 pts:117 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:118 picture_black_ratio:1.000000 pos:14160000 pts:118 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:119 picture_black_ratio:1.000000 pos:14280000 pts:119 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:120 picture_black_ratio:1.000000 pos:14400000 pts:120 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:121 picture_black_ratio:1.000000 pos:14520000 pts:121 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:122 picture_black_ratio:1.000000 pos:14640000 pts:122 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:123 picture_black_ratio:1.000000 pos:14760000 pts:123 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:124 picture_black_ratio:1.000000 pos:14880000 pts:124 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:125 picture_black_ratio:1.000000 pos:15000000 pts:125 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:126 picture_black_ratio:1.000000 pos:15120000 pts:126 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:127 picture_black_ratio:1.000000 pos:15240000 pts:127 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:128 picture_black_ratio:1.000000 pos:15360000 pts:128 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:129 picture_black_ratio:1.000000 pos:15480000 pts:129 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:130 picture_black_ratio:1.000000 pos:15600000 pts:130 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:131 picture_black_ratio:1.000000 pos:15720000 pts:131 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:132 picture_black_ratio:1.000000 pos:15840000 pts:132 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:133 picture_black_ratio:1.000000 pos:15960000 pts:133 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:134 picture_black_ratio:1.000000 pos:16080000 pts:134 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:135 picture_black_ratio:1.000000 pos:16200000 pts:135 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:136 picture_black_ratio:1.000000 pos:16320000 pts:136 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:137 picture_black_ratio:1.000000 pos:16440000 pts:137 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:138 picture_black_ratio:1.000000 pos:16560000 pts:138 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:139 picture_black_ratio:1.000000 pos:16680000 pts:139 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:150 picture_black_ratio:0.000000 pos:18000000 pts:150 t:0 type:I
[blackdetect @ 0x7fa783c19780] black_start:0 black_end:5.005 black_duration:5.005
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[blackdetect @ 0x7fa783c196c0] frame:230 picture_black_ratio:0.000000 pos:27600000 pts:230 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:231 picture_black_ratio:0.000000 pos:27720000 pts:231 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:248 picture_black_ratio:0.000000 pos:29760000 pts:248 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:249 picture_black_ratio:0.000000 pos:29880000 pts:249 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:250 picture_black_ratio:0.000000 pos:30000000 pts:250 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:251 picture_black_ratio:0.000000 pos:30120000 pts:251 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:252 picture_black_ratio:0.000000 pos:30240000 pts:252 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:253 picture_black_ratio:0.000000 pos:30360000 pts:253 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:254 picture_black_ratio:0.000000 pos:30480000 pts:254 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:255 picture_black_ratio:0.000000 pos:30600000 pts:255 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:256 picture_black_ratio:0.000000 pos:30720000 pts:256 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:257 picture_black_ratio:0.000000 pos:30840000 pts:257 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:258 picture_black_ratio:0.000000 pos:30960000 pts:258 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:259 picture_black_ratio:0.000000 pos:31080000 pts:259 t:0 type:I
frame=  260 fps=0.0 q=0.0 size=       0kB time=00:00:08.67 bitrate=   0.0kbits/s    
frame:260 picture_black_ratio:0.000000 pos:31200000 pts:260 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:261 picture_black_ratio:0.000000 pos:31320000 pts:261 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:262 picture_black_ratio:0.000000 pos:31440000 pts:262 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:265 picture_black_ratio:0.000000 pos:31800000 pts:265 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:275 picture_black_ratio:0.000000 pos:33000000 pts:275 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:276 picture_black_ratio:0.000000 pos:33120000 pts:276 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:277 picture_black_ratio:0.000000 pos:33240000 pts:277 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:278 picture_black_ratio:0.000000 pos:33360000 pts:278 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:279 picture_black_ratio:0.000000 pos:33480000 pts:279 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:280 picture_black_ratio:0.000000 pos:33600000 pts:280 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:283 picture_black_ratio:0.000000 pos:33960000 pts:283 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:284 picture_black_ratio:0.000000 pos:34080000 pts:284 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:288 picture_black_ratio:0.000000 pos:34560000 pts:288 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:291 picture_black_ratio:0.000000 pos:34920000 pts:291 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:292 picture_black_ratio:0.000000 pos:35040000 pts:292 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:293 picture_black_ratio:0.000000 pos:35160000 pts:293 t:0 type:I
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[blackdetect @ 0x7fa783c196c0] frame:295 picture_black_ratio:0.000000 pos:35400000 pts:295 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:296 picture_black_ratio:0.000000 pos:35520000 pts:296 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:297 picture_black_ratio:0.000000 pos:35640000 pts:297 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:298 picture_black_ratio:0.000000 pos:35760000 pts:298 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:299 picture_black_ratio:0.000000 pos:35880000 pts:299 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:300 picture_black_ratio:1.000000 pos:36000000 pts:300 t:0 type:I
[blackdetect @ 0x7fa783c196c0] frame:301 picture_black_ratio:1.000000 pos:36120000 pts:301 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:302 picture_black_ratio:1.000000 pos:36240000 pts:302 t:10.01 type:I
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[blackdetect @ 0x7fa783c196c0] frame:316 picture_black_ratio:1.000000 pos:37920000 pts:316 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:317 picture_black_ratio:1.000000 pos:38040000 pts:317 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:318 picture_black_ratio:1.000000 pos:38160000 pts:318 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:319 picture_black_ratio:1.000000 pos:38280000 pts:319 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:320 picture_black_ratio:1.000000 pos:38400000 pts:320 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:321 picture_black_ratio:1.000000 pos:38520000 pts:321 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:322 picture_black_ratio:1.000000 pos:38640000 pts:322 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:323 picture_black_ratio:1.000000 pos:38760000 pts:323 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:324 picture_black_ratio:1.000000 pos:38880000 pts:324 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:325 picture_black_ratio:1.000000 pos:39000000 pts:325 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:326 picture_black_ratio:1.000000 pos:39120000 pts:326 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:327 picture_black_ratio:1.000000 pos:39240000 pts:327 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:328 picture_black_ratio:1.000000 pos:39360000 pts:328 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:329 picture_black_ratio:1.000000 pos:39480000 pts:329 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:330 picture_black_ratio:1.000000 pos:39600000 pts:330 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:331 picture_black_ratio:1.000000 pos:39720000 pts:331 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:332 picture_black_ratio:1.000000 pos:39840000 pts:332 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:333 picture_black_ratio:1.000000 pos:39960000 pts:333 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:334 picture_black_ratio:1.000000 pos:40080000 pts:334 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:335 picture_black_ratio:1.000000 pos:40200000 pts:335 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:336 picture_black_ratio:1.000000 pos:40320000 pts:336 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:337 picture_black_ratio:1.000000 pos:40440000 pts:337 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:338 picture_black_ratio:1.000000 pos:40560000 pts:338 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:339 picture_black_ratio:1.000000 pos:40680000 pts:339 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:340 picture_black_ratio:1.000000 pos:40800000 pts:340 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:341 picture_black_ratio:1.000000 pos:40920000 pts:341 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:342 picture_black_ratio:1.000000 pos:41040000 pts:342 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:343 picture_black_ratio:1.000000 pos:41160000 pts:343 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:344 picture_black_ratio:1.000000 pos:41280000 pts:344 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:345 picture_black_ratio:1.000000 pos:41400000 pts:345 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:346 picture_black_ratio:1.000000 pos:41520000 pts:346 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:347 picture_black_ratio:1.000000 pos:41640000 pts:347 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:348 picture_black_ratio:1.000000 pos:41760000 pts:348 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:349 picture_black_ratio:1.000000 pos:41880000 pts:349 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:350 picture_black_ratio:1.000000 pos:42000000 pts:350 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:351 picture_black_ratio:1.000000 pos:42120000 pts:351 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:352 picture_black_ratio:1.000000 pos:42240000 pts:352 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:353 picture_black_ratio:1.000000 pos:42360000 pts:353 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:354 picture_black_ratio:1.000000 pos:42480000 pts:354 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:355 picture_black_ratio:1.000000 pos:42600000 pts:355 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:356 picture_black_ratio:1.000000 pos:42720000 pts:356 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:357 picture_black_ratio:1.000000 pos:42840000 pts:357 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:358 picture_black_ratio:1.000000 pos:42960000 pts:358 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:359 picture_black_ratio:1.000000 pos:43080000 pts:359 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:360 picture_black_ratio:1.000000 pos:43200000 pts:360 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:361 picture_black_ratio:1.000000 pos:43320000 pts:361 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:362 picture_black_ratio:1.000000 pos:43440000 pts:362 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:363 picture_black_ratio:1.000000 pos:43560000 pts:363 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:364 picture_black_ratio:1.000000 pos:43680000 pts:364 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:365 picture_black_ratio:1.000000 pos:43800000 pts:365 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:366 picture_black_ratio:1.000000 pos:43920000 pts:366 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:367 picture_black_ratio:1.000000 pos:44040000 pts:367 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:368 picture_black_ratio:1.000000 pos:44160000 pts:368 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:369 picture_black_ratio:1.000000 pos:44280000 pts:369 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:370 picture_black_ratio:1.000000 pos:44400000 pts:370 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:371 picture_black_ratio:1.000000 pos:44520000 pts:371 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:372 picture_black_ratio:1.000000 pos:44640000 pts:372 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:373 picture_black_ratio:1.000000 pos:44760000 pts:373 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:374 picture_black_ratio:1.000000 pos:44880000 pts:374 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:375 picture_black_ratio:1.000000 pos:45000000 pts:375 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:376 picture_black_ratio:1.000000 pos:45120000 pts:376 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:377 picture_black_ratio:1.000000 pos:45240000 pts:377 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:378 picture_black_ratio:1.000000 pos:45360000 pts:378 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:379 picture_black_ratio:1.000000 pos:45480000 pts:379 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:380 picture_black_ratio:1.000000 pos:45600000 pts:380 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:381 picture_black_ratio:1.000000 pos:45720000 pts:381 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:382 picture_black_ratio:1.000000 pos:45840000 pts:382 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:383 picture_black_ratio:1.000000 pos:45960000 pts:383 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:384 picture_black_ratio:1.000000 pos:46080000 pts:384 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:385 picture_black_ratio:1.000000 pos:46200000 pts:385 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:386 picture_black_ratio:1.000000 pos:46320000 pts:386 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:387 picture_black_ratio:1.000000 pos:46440000 pts:387 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:388 picture_black_ratio:1.000000 pos:46560000 pts:388 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:389 picture_black_ratio:1.000000 pos:46680000 pts:389 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:390 picture_black_ratio:1.000000 pos:46800000 pts:390 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:391 picture_black_ratio:1.000000 pos:46920000 pts:391 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:392 picture_black_ratio:1.000000 pos:47040000 pts:392 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:393 picture_black_ratio:1.000000 pos:47160000 pts:393 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:394 picture_black_ratio:1.000000 pos:47280000 pts:394 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:395 picture_black_ratio:1.000000 pos:47400000 pts:395 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:396 picture_black_ratio:1.000000 pos:47520000 pts:396 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:397 picture_black_ratio:1.000000 pos:47640000 pts:397 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:398 picture_black_ratio:1.000000 pos:47760000 pts:398 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:399 picture_black_ratio:1.000000 pos:47880000 pts:399 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:400 picture_black_ratio:1.000000 pos:48000000 pts:400 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:401 picture_black_ratio:1.000000 pos:48120000 pts:401 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:402 picture_black_ratio:1.000000 pos:48240000 pts:402 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:403 picture_black_ratio:1.000000 pos:48360000 pts:403 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:404 picture_black_ratio:1.000000 pos:48480000 pts:404 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:405 picture_black_ratio:1.000000 pos:48600000 pts:405 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:406 picture_black_ratio:1.000000 pos:48720000 pts:406 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:407 picture_black_ratio:1.000000 pos:48840000 pts:407 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:408 picture_black_ratio:1.000000 pos:48960000 pts:408 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:409 picture_black_ratio:1.000000 pos:49080000 pts:409 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:410 picture_black_ratio:1.000000 pos:49200000 pts:410 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:411 picture_black_ratio:1.000000 pos:49320000 pts:411 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:412 picture_black_ratio:1.000000 pos:49440000 pts:412 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:413 picture_black_ratio:1.000000 pos:49560000 pts:413 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:414 picture_black_ratio:1.000000 pos:49680000 pts:414 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:415 picture_black_ratio:1.000000 pos:49800000 pts:415 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:416 picture_black_ratio:1.000000 pos:49920000 pts:416 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:417 picture_black_ratio:1.000000 pos:50040000 pts:417 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:418 picture_black_ratio:1.000000 pos:50160000 pts:418 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:419 picture_black_ratio:1.000000 pos:50280000 pts:419 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:420 picture_black_ratio:1.000000 pos:50400000 pts:420 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:421 picture_black_ratio:1.000000 pos:50520000 pts:421 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:422 picture_black_ratio:1.000000 pos:50640000 pts:422 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:423 picture_black_ratio:1.000000 pos:50760000 pts:423 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:424 picture_black_ratio:1.000000 pos:50880000 pts:424 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:425 picture_black_ratio:1.000000 pos:51000000 pts:425 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:426 picture_black_ratio:1.000000 pos:51120000 pts:426 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:427 picture_black_ratio:1.000000 pos:51240000 pts:427 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:428 picture_black_ratio:1.000000 pos:51360000 pts:428 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:429 picture_black_ratio:1.000000 pos:51480000 pts:429 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:430 picture_black_ratio:1.000000 pos:51600000 pts:430 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:431 picture_black_ratio:1.000000 pos:51720000 pts:431 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:432 picture_black_ratio:1.000000 pos:51840000 pts:432 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:433 picture_black_ratio:1.000000 pos:51960000 pts:433 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:434 picture_black_ratio:1.000000 pos:52080000 pts:434 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:435 picture_black_ratio:1.000000 pos:52200000 pts:435 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:436 picture_black_ratio:1.000000 pos:52320000 pts:436 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:437 picture_black_ratio:1.000000 pos:52440000 pts:437 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:438 picture_black_ratio:1.000000 pos:52560000 pts:438 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:439 picture_black_ratio:1.000000 pos:52680000 pts:439 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:440 picture_black_ratio:1.000000 pos:52800000 pts:440 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:441 picture_black_ratio:1.000000 pos:52920000 pts:441 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:442 picture_black_ratio:1.000000 pos:53040000 pts:442 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:443 picture_black_ratio:1.000000 pos:53160000 pts:443 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:444 picture_black_ratio:1.000000 pos:53280000 pts:444 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:445 picture_black_ratio:1.000000 pos:53400000 pts:445 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:446 picture_black_ratio:1.000000 pos:53520000 pts:446 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:447 picture_black_ratio:1.000000 pos:53640000 pts:447 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:448 picture_black_ratio:1.000000 pos:53760000 pts:448 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:449 picture_black_ratio:1.000000 pos:53880000 pts:449 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:450 picture_black_ratio:0.000000 pos:54000000 pts:450 t:10.01 type:I
[blackdetect @ 0x7fa783c19780] black_start:10.01 black_end:15.015 black_duration:5.005
[blackdetect @ 0x7fa783c196c0] frame:451 picture_black_ratio:0.000000 pos:54120000 pts:451 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:452 picture_black_ratio:0.000000 pos:54240000 pts:452 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:453 picture_black_ratio:0.000000 pos:54360000 pts:453 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:454 picture_black_ratio:0.000000 pos:54480000 pts:454 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:455 picture_black_ratio:0.000000 pos:54600000 pts:455 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:456 picture_black_ratio:0.000000 pos:54720000 pts:456 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:457 picture_black_ratio:0.000000 pos:54840000 pts:457 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:458 picture_black_ratio:0.000000 pos:54960000 pts:458 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:459 picture_black_ratio:0.000000 pos:55080000 pts:459 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:460 picture_black_ratio:0.000000 pos:55200000 pts:460 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:461 picture_black_ratio:0.000000 pos:55320000 pts:461 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:462 picture_black_ratio:0.000000 pos:55440000 pts:462 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:463 picture_black_ratio:0.000000 pos:55560000 pts:463 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:464 picture_black_ratio:0.000000 pos:55680000 pts:464 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:465 picture_black_ratio:0.000000 pos:55800000 pts:465 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:466 picture_black_ratio:0.000000 pos:55920000 pts:466 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:467 picture_black_ratio:0.000000 pos:56040000 pts:467 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:468 picture_black_ratio:0.000000 pos:56160000 pts:468 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:469 picture_black_ratio:0.000000 pos:56280000 pts:469 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:470 picture_black_ratio:0.000000 pos:56400000 pts:470 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:471 picture_black_ratio:0.000000 pos:56520000 pts:471 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:472 picture_black_ratio:0.000000 pos:56640000 pts:472 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:473 picture_black_ratio:0.000000 pos:56760000 pts:473 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:474 picture_black_ratio:0.000000 pos:56880000 pts:474 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:475 picture_black_ratio:0.000000 pos:57000000 pts:475 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:476 picture_black_ratio:0.000000 pos:57120000 pts:476 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:477 picture_black_ratio:0.000000 pos:57240000 pts:477 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:478 picture_black_ratio:0.000000 pos:57360000 pts:478 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:479 picture_black_ratio:0.000000 pos:57480000 pts:479 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:480 picture_black_ratio:0.000000 pos:57600000 pts:480 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:481 picture_black_ratio:0.000000 pos:57720000 pts:481 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:482 picture_black_ratio:0.000000 pos:57840000 pts:482 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:483 picture_black_ratio:0.000000 pos:57960000 pts:483 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:484 picture_black_ratio:0.000000 pos:58080000 pts:484 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:485 picture_black_ratio:0.000000 pos:58200000 pts:485 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:486 picture_black_ratio:0.000000 pos:58320000 pts:486 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:487 picture_black_ratio:0.000000 pos:58440000 pts:487 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:488 picture_black_ratio:0.000000 pos:58560000 pts:488 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:489 picture_black_ratio:0.000000 pos:58680000 pts:489 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:490 picture_black_ratio:0.000000 pos:58800000 pts:490 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:491 picture_black_ratio:0.000000 pos:58920000 pts:491 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:492 picture_black_ratio:0.000000 pos:59040000 pts:492 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:493 picture_black_ratio:0.000000 pos:59160000 pts:493 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:494 picture_black_ratio:0.000000 pos:59280000 pts:494 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:495 picture_black_ratio:0.000000 pos:59400000 pts:495 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:496 picture_black_ratio:0.000000 pos:59520000 pts:496 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:497 picture_black_ratio:0.000000 pos:59640000 pts:497 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:498 picture_black_ratio:0.000000 pos:59760000 pts:498 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:499 picture_black_ratio:0.000000 pos:59880000 pts:499 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:500 picture_black_ratio:0.000000 pos:60000000 pts:500 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:501 picture_black_ratio:0.000000 pos:60120000 pts:501 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:502 picture_black_ratio:0.000000 pos:60240000 pts:502 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:503 picture_black_ratio:0.000000 pos:60360000 pts:503 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:504 picture_black_ratio:0.000000 pos:60480000 pts:504 t:10.01 type:I
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[blackdetect @ 0x7fa783c196c0] frame:510 picture_black_ratio:0.000000 pos:61200000 pts:510 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:511 picture_black_ratio:0.000000 pos:61320000 pts:511 t:10.01 type:I
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[blackdetect @ 0x7fa783c196c0] frame:514 picture_black_ratio:0.000000 pos:61680000 pts:514 t:10.01 type:I
frame=  515 fps=514 q=0.0 size=       0kB time=00:00:17.18 bitrate=   0.0kbits/s    
frame:515 picture_black_ratio:0.000000 pos:61800000 pts:515 t:10.01 type:I
[blackdetect @ 0x7fa783c196c0] frame:516 picture_black_ratio:0.000000 pos:61920000 pts:516 t:10.01 type:I
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[blackdetect @ 0x7fa783c196c0] frame:674 picture_black_ratio:1.000000 pos:80880000 pts:674 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:675 picture_black_ratio:1.000000 pos:81000000 pts:675 t:20.02 type:I
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[blackdetect @ 0x7fa783c196c0] frame:677 picture_black_ratio:1.000000 pos:81240000 pts:677 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:678 picture_black_ratio:1.000000 pos:81360000 pts:678 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:679 picture_black_ratio:1.000000 pos:81480000 pts:679 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:680 picture_black_ratio:1.000000 pos:81600000 pts:680 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:681 picture_black_ratio:1.000000 pos:81720000 pts:681 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:682 picture_black_ratio:1.000000 pos:81840000 pts:682 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:683 picture_black_ratio:1.000000 pos:81960000 pts:683 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:684 picture_black_ratio:1.000000 pos:82080000 pts:684 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:685 picture_black_ratio:1.000000 pos:82200000 pts:685 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:686 picture_black_ratio:1.000000 pos:82320000 pts:686 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:687 picture_black_ratio:1.000000 pos:82440000 pts:687 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:688 picture_black_ratio:1.000000 pos:82560000 pts:688 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:689 picture_black_ratio:1.000000 pos:82680000 pts:689 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:690 picture_black_ratio:1.000000 pos:82800000 pts:690 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:691 picture_black_ratio:1.000000 pos:82920000 pts:691 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:692 picture_black_ratio:1.000000 pos:83040000 pts:692 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:693 picture_black_ratio:1.000000 pos:83160000 pts:693 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:694 picture_black_ratio:1.000000 pos:83280000 pts:694 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:695 picture_black_ratio:1.000000 pos:83400000 pts:695 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:696 picture_black_ratio:1.000000 pos:83520000 pts:696 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:697 picture_black_ratio:1.000000 pos:83640000 pts:697 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:698 picture_black_ratio:1.000000 pos:83760000 pts:698 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:699 picture_black_ratio:1.000000 pos:83880000 pts:699 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:700 picture_black_ratio:1.000000 pos:84000000 pts:700 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:701 picture_black_ratio:1.000000 pos:84120000 pts:701 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:702 picture_black_ratio:1.000000 pos:84240000 pts:702 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:703 picture_black_ratio:1.000000 pos:84360000 pts:703 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:704 picture_black_ratio:1.000000 pos:84480000 pts:704 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:705 picture_black_ratio:1.000000 pos:84600000 pts:705 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:706 picture_black_ratio:1.000000 pos:84720000 pts:706 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:707 picture_black_ratio:1.000000 pos:84840000 pts:707 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:708 picture_black_ratio:1.000000 pos:84960000 pts:708 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:709 picture_black_ratio:1.000000 pos:85080000 pts:709 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:710 picture_black_ratio:1.000000 pos:85200000 pts:710 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:711 picture_black_ratio:1.000000 pos:85320000 pts:711 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:712 picture_black_ratio:1.000000 pos:85440000 pts:712 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:713 picture_black_ratio:1.000000 pos:85560000 pts:713 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:714 picture_black_ratio:1.000000 pos:85680000 pts:714 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:715 picture_black_ratio:1.000000 pos:85800000 pts:715 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:716 picture_black_ratio:1.000000 pos:85920000 pts:716 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:717 picture_black_ratio:1.000000 pos:86040000 pts:717 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:718 picture_black_ratio:1.000000 pos:86160000 pts:718 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:719 picture_black_ratio:1.000000 pos:86280000 pts:719 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:720 picture_black_ratio:1.000000 pos:86400000 pts:720 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:721 picture_black_ratio:1.000000 pos:86520000 pts:721 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:722 picture_black_ratio:1.000000 pos:86640000 pts:722 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:723 picture_black_ratio:1.000000 pos:86760000 pts:723 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:724 picture_black_ratio:1.000000 pos:86880000 pts:724 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:725 picture_black_ratio:1.000000 pos:87000000 pts:725 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:726 picture_black_ratio:1.000000 pos:87120000 pts:726 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:727 picture_black_ratio:1.000000 pos:87240000 pts:727 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:728 picture_black_ratio:1.000000 pos:87360000 pts:728 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:729 picture_black_ratio:1.000000 pos:87480000 pts:729 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:730 picture_black_ratio:1.000000 pos:87600000 pts:730 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:731 picture_black_ratio:1.000000 pos:87720000 pts:731 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:732 picture_black_ratio:1.000000 pos:87840000 pts:732 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:733 picture_black_ratio:1.000000 pos:87960000 pts:733 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:734 picture_black_ratio:1.000000 pos:88080000 pts:734 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:735 picture_black_ratio:1.000000 pos:88200000 pts:735 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:736 picture_black_ratio:1.000000 pos:88320000 pts:736 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:737 picture_black_ratio:1.000000 pos:88440000 pts:737 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:738 picture_black_ratio:1.000000 pos:88560000 pts:738 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:739 picture_black_ratio:1.000000 pos:88680000 pts:739 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:740 picture_black_ratio:1.000000 pos:88800000 pts:740 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:741 picture_black_ratio:1.000000 pos:88920000 pts:741 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:742 picture_black_ratio:1.000000 pos:89040000 pts:742 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:743 picture_black_ratio:1.000000 pos:89160000 pts:743 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:744 picture_black_ratio:1.000000 pos:89280000 pts:744 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:745 picture_black_ratio:1.000000 pos:89400000 pts:745 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:746 picture_black_ratio:1.000000 pos:89520000 pts:746 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:747 picture_black_ratio:1.000000 pos:89640000 pts:747 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:748 picture_black_ratio:1.000000 pos:89760000 pts:748 t:20.02 type:I
[blackdetect @ 0x7fa783c196c0] frame:749 picture_black_ratio:1.000000 pos:89880000 pts:749 t:20.02 type:I
frame=  750 fps=512 q=0.0 Lsize=       0kB time=00:00:25.02 bitrate=   0.0kbits/s    
video:0kB audio:0kB global headers:0kB muxing overhead nan%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

The output should have three lines like this:

black_start:10.01 black_end:15.015 black_duration:5.005.94

referring to the three areas of detected black.

Change History (1)

comment:1 Changed 4 years ago by saste

  • Analyzed by developer set
  • Reproduced by developer set
  • Resolution set to fixed
  • Status changed from new to closed

Should be fixed in:

commit eda4500866b461e0eb30a2fb4ba156509edc641d
Author: Stefano Sabatini <stefasab@gmail.com>
Date:   Thu Jun 21 01:15:52 2012 +0200

    lavfi/blackdetect: add logic for handling stream termination
    
    Add request_frame() which checks the black duration when the end of the
    stream is signalled. Allow to detect black video segments at the end of
    the stream.
    
    Note that the reported last black video segment duration is not very
    accurate, since we still miss the duration information in the video
    buffer.
    
    Address trac ticket #1470.

Thanks for the report.

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