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Richard Torenvliet
ffmpeg-stabilizer
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Nov 22, 2017
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Richard Torenvliet
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Nov 22, 2017
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# ffmpeg-stabilizer
This is a small tool to facilitate people that are 'losers' in making videos - i.e., have shaky hands. In this
**tool-chain**
you can stablize (using ffmpeg)
1.
Cut specific sections within for a set of videos
1.
Stablize them.
1.
Check if you made some impact with the before-and-after view (merged).
# Usage
> Construct a csv file that looks like
~~~
csv
filename,ffmpeg-options # don't include this header..
converted/MVI_9154.MOV,-ss 00:00:27 -t 00:00:31
converted/MVI_9154.MOV,-ss 00:00:51 -t 00:00:53
converted/MVI_9144.MOV,-ss 00:00:26 -t 00:00:36
converted/MVI_9144.MOV,-ss 00:00:56 -t 00:00:60
converted/MVI_9372.MOV,-ss 00:00:22 -t 00:00:26
converted/MVI_9152.MOV,-ss 00:00:18 -t 00:00:34
converted/MVI_9153.MOV,-ss 00:00:32 -t 00:00:35
converted/MVI_9256.MOV,-ss 00:00:10 -t 00:00:14
converted/MVI_9255.MOV,-ss 00:00:03 -t 00:00:08
converted/MVI_9257.MOV,""
~~~
With this, you specify a filename and the options you want to pass to the ffmpeg script. Currently it only supports the time
options. Note that later we could add the parameters like the level of stablization.
You can simply create the files using
`ls video/*.MOV > list.csv`
Then, run the following command:
~~~
shell
./stablize.sh list.csv
~~~
## Disclaimer
This tool has been 'hacked' together, but is nonetheless very useful. Don't complain about readability, it's Bash.. get over it ;)
Example output to check if you're doing it a bit right.
~~~
ffmpeg -i video/MVI_9028.MOV -vf vidstabdetect=shakiness=8:accuracy=15:result=converted/MVI_9028-stb.trf -f null -
Options
===
No time limit
ffmpeg version 3.4 Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 8.1.0 (clang-802.0.42)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libvidstab --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video/MVI_9028.MOV':
Metadata:
major_brand : qt
minor_version : 537331968
compatible_brands: qt CAEP
creation_time : 2017-03-09T23:23:19.000000Z
Duration: 00:04:02.16, start: 0.000000, bitrate: 44883 kb/s
Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt709/bt709), 1920x1080, 43342 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc (default)
Metadata:
creation_time : 2017-03-09T23:23:19.000000Z
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2017-03-09T23:23:19.000000Z
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
Stream #0:1 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[swscaler @ 0x7fb2cb837200] deprecated pixel format used, make sure you did set range correctly
[vidstabdetect @ 0x7fff596d5c88] Fieldsize: 112, Maximal translation: 154 pixel
[vidstabdetect @ 0x7fff596d5c88] Number of used measurement fields: 65 out of 65
[vidstabdetect @ 0x7fff596d5c88] Fieldsize: 32, Maximal translation: 32 pixel
[vidstabdetect @ 0x7fff596d5c88] Number of used measurement fields: 392 out of 392
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] Video stabilization settings (pass 1/2):
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] shakiness = 5
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] accuracy = 15
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] stepsize = 6
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] mincontrast = 0.250000
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] tripod = 0
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] show = 0
[Parsed_vidstabdetect_0 @ 0x7fb2c8700a80] result = converted/MVI_9028-stb.trf
Output #0, null, to 'pipe:':
Metadata:
major_brand : qt
minor_version : 537331968
compatible_brands: qt CAEP
encoder : Lavf57.83.100
Stream #0:0(eng): Video: wrapped_avframe, yuv420p, 1920x1080, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
Metadata:
creation_time : 2017-03-09T23:23:19.000000Z
encoder : Lavc57.107.100 wrapped_avframe
Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2017-03-09T23:23:19.000000Z
encoder : Lavc57.107.100 pcm_s16le
~~~
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