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Autres articles (107)
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Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Sélection de projets utilisant MediaSPIP
29 avril 2011, parLes exemples cités ci-dessous sont des éléments représentatifs d’usages spécifiques de MediaSPIP pour certains projets.
Vous pensez avoir un site "remarquable" réalisé avec MediaSPIP ? Faites le nous savoir ici.
Ferme MediaSPIP @ Infini
L’Association Infini développe des activités d’accueil, de point d’accès internet, de formation, de conduite de projets innovants dans le domaine des Technologies de l’Information et de la Communication, et l’hébergement de sites. Elle joue en la matière un rôle unique (...)
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Problems with FFMPEG concat and/or MP4BOX
11 novembre 2016, par user3730954I’ve been searching for a reliable way to concat a large (>30) number of mp4 files.
My methods so far have been trying the MP4BOX concat CLI, and FFMPEG’s concat filter (such as
ffmpeg -auto_convert 1 -y -f concat -i files.txt -c copy out.mp4).Both tools produce the same problem : joining 2 or 3 files seems to work great, but any greater number produces a corrupted mp4 file (such as https://drive.google.com/file/d/0B_mWxBuwYcSgQjQtUnpQeUxVTm8/view). I can create a workaround where I join only 2 videos at a time, until all videos have been joined, but this does not work for an odd number of joins (i.e. 13).
Why do these methods work on some files, but not others ?
FFPROBE produces errors as you would expect on these corrupted files :
error while decoding MB x y, bytestream z
Reference 2 >= 2
top block unavailable for requested intra modeexample FFMPEG output :
ffmpeg version N-80901-gfebc862 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
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-libfreetype --enable-gnutls --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-libvidstab
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 47.100 / 6. 47.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x36b3a80] Auto-inserting h264_mp4toannexb bitstream filter
Input #0, concat, from 'twitter-files.txt':
Duration: N/A, start: 0.000000, bitrate: 415 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 284 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 130 kb/s
Metadata:
handler_name : SoundHandler
[mp4 @ 0x36b7dc0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, mp4, to 'twitter-tmp.mp4':
Metadata:
encoder : Lavf57.41.100
Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1280x720, q=2-31, 284 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 130 kb/s
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3733160] Auto-inserting h264_mp4toannexb bitstream filter
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3733140] Auto-inserting h264_mp4toannexb bitstream filter
[mp4 @ 0x36b7dc0] Packet with invalid duration -512 in stream 1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3733140] Auto-inserting h264_mp4toannexb bitstream filter
Last message repeated 2 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x36ba960] Auto-inserting h264_mp4toannexb bitstream filter
[mp4 @ 0x36b7dc0] Packet with invalid duration -512 in stream 1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x36ba960] Auto-inserting h264_mp4toannexb bitstream filter
Last message repeated 4 times
[mp4 @ 0x36b7dc0] Non-monotonous DTS in output stream 0:0; previous: 306957, current: 306445; changing to 306958. This may result in incorrect timestamps in the output file.
[mp4 @ 0x36b7dc0] Non-monotonous DTS in output stream 0:0; previous: 306958, current: 306957; changing to 306959. This may result in incorrect timestamps in the output file.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x36ba960] Auto-inserting h264_mp4toannexb bitstream filter
Last message repeated 1 times
frame= 750 fps=0.0 q=-1.0 Lsize= 1088kB time=00:00:30.04 bitrate= 296.6kbits/s speed= 366xOSX output :
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
built with Apple LLVM version 7.3.0 (clang-703.0.31)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-libvorbis --enable-libvpx --enable-vda
libavutil 55. 17.103 / 55. 17.103
libavcodec 57. 24.102 / 57. 24.102
libavformat 57. 25.100 / 57. 25.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 31.100 / 6. 31.100
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
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49808c00] Auto-inserting h264_mp4toannexb bitstream filter
Input #0, concat, from 'twitter-files.txt':
Duration: N/A, start: 0.000000, bitrate: 415 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 284 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 130 kb/s
Metadata:
handler_name : SoundHandler
Output #0, mp4, to 'tmp-twitter.mp4':
Metadata:
encoder : Lavf57.25.100
Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1280x720, q=2-31, 284 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 130 kb/s
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a005400] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a800000] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mp4 @ 0x7f9c4a000c00] Packet with invalid duration -512 in stream 1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a800000] Auto-inserting h264_mp4toannexb bitstream filter
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mp4 @ 0x7f9c4a000c00] Packet with invalid duration -512 in stream 1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a800000] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a005400] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c4a800e00] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mp4 @ 0x7f9c4a000c00] Non-monotonous DTS in output stream 0:0; previous: 306957, current: 306445; changing to 306958. This may result in incorrect timestamps in the output file.
[mp4 @ 0x7f9c4a000c00] Non-monotonous DTS in output stream 0:0; previous: 306958, current: 306957; changing to 306959. This may result in incorrect timestamps in the output file.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49800000] Auto-inserting h264_mp4toannexb bitstream filter
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f9c49010e00] Auto-inserting h264_mp4toannexb bitstream filter
frame= 750 fps=0.0 q=-1.0 Lsize= 1146kB time=00:00:30.04 bitrate= 312.4kbits/s speed= 192x -
Premium Plugins now available on the Piwik Analytics Marketplace
2 novembre 2016, par Piwik Core Team — Community, Press ReleasesWe are super excited to announce the launch of three new premium plugins which are now available on the Piwik Marketplace : A/B Testing, Media Analytics, and Activity Log.
All three plugins are easy to use and come with 100% data ownership, documentation, integration with Piwik, powerful data exports and no data limits.
These first premium plugins and the new Marketplace capabilities have been designed and built with love by InnoCraft – the new company brought to you by the makers of Piwik.
1. A/B Testing
A/B Testing helps you grow your business by comparing different versions of your website or app to detect the most successful version that increases your sales, revenue, conversions, pageviews, and more.
A/B tests are also known as experiments or split tests. In an A/B test you show two or more different variations to your users (visitors) and the variation that performs better wins. When a user enters the experiment, a variation will be randomly chosen and the user will see this variation for all subsequent visits. Piwik A/B testing uses advanced statistical analysis to detect which variation performs better for your conversion goals and success metrics. Even small tests can increase your sales and conversions massively !
Learn more here :
- A/B Testing – Experiments (website).
- List of all features on the Marketplace : A/B Testing Plugin.
-
The A/B Testing User Guide and the A/B Testing FAQ help you getting started in running A/B tests. The A/B Testing developer guides help you embedding and implementing A/B tests into your project.
- A/B Testing Platform for Piwik Analytics (blog post).
2. Media Analytics
Do you have videos or audio on your website, or in an app ? Media Analytics gives you powerful insights into how your audience watches your videos and listens to your audio, to ultimately maximize your success.
Learn all about your audience. Which media your users are playing, for how long, how often, and where they dropped off ? Where are your users located around the world ? Who your audience are and what did people do before and after watching a video or listening to audio ? Many of the reports are also available in Real time, so you can gain insights and react quickly.
Learn more here :
- Media Analytics (website).
- List of all features on the Marketplace : Media Analytics plugin.
- Screenshots for Media Analytics.
-
The Media Analytics User Guide and the Media Analytics FAQ cover on how to get the most out of this plugin. The Media Analytics developer guides help you setting up the tracking of your video and audio.
Powerful Video Analytics and Audio Analytics for Piwik
(blog post).
3. Activity log
Keep an eye on everything that is happening on your Piwik platform with the Activity Log plugin.
The activity log, also known as audit log or audit trail, improves your Piwik’s security and diagnostic by showing a chronological set of entries that provides documentary evidence of activities that happened in your Piwik. It allows Piwik Super Users to quickly review the actions performed by members of your organization or clients, and also lets every user review details of their own actions.
Learn more in the Activity Log FAQ or see a list of all the features on the Marketplace : Activity Log plugin.
The Piwik Marketplace guarantees
Purchasing on the Piwik Marketplace is easy and safe. Check out our guarantees :
- Marketplace refund policy : 14 Day Money Back Guarantee.
- Safe & Secure Payments.
- 1-click Installation & Update.
Why premium plugins ?
Researching, building, documenting, testing and maintaining quality products take years of experience and months of work. When you purchase a premium plugin from the Marketplace, you get a fully working product, with free updates for the duration of the license and you stay in full control of your analytics data. When purchasing premium plugins you also directly help the Piwik core engineers to continue to grow and innovate ! That’s because a % of earnings on premium plugin license sales directly fund new Piwik versions and more amazing features. Learn more in the FAQ : What are premium plugins ?.
About InnoCraft
These first three premium plugins have been designed and built with love by InnoCraft. InnoCraft is a new company founded by the creator of Piwik along with the lead engineers of Piwik based in Wellington, New Zealand. At InnoCraft, product experts, designers and engineers are passionate about crafting high quality and innovative products to help grow your business and to maximize your success.
Learn more on the company website : www.innocraft.com
To stay updated on their releases, follow InnoCraftHQ on Twitter or Like InnoCraft on Facebook.
Is the Piwik Marketplace open to all ?
Yes, our marketplace allows other companies and developers to sell their plugins to all Piwik Analytics users. If you are a developer or a company interested in selling your plugin(s) on our Marketplace please contact us. As a developer selling plugins, you will get paid every month for your earnings, and you will be able to see detailed reports about your sales, upload new plugin updates, respond to pre-sales enquiries, etc.
Resources
Learn more :
- The Piwik.org Privacy Policy has been updated (a new “Scope” and “Contact us” sections).
- New Terms and Conditions for the Piwik Marketplace (plugins.piwik.org).
- New Piwik Marketplace FAQs.
- What are premium plugins and how do they differ from free plugins ?.
We are looking forward to your continued support with the Piwik project as we expand and offer you more ways to maximize your success.
Please contact the Marketplace team with any questions or feedback.
Wishing you a warm : Happy Analytics !
-
Change AVI creation date with ffmpeg ?
1er novembre 2016, par brockAs far as I can tell the following ffmpeg command should copy all existing metadata in the input file to the output file and modify the specified field in the output file :
ffmpeg -i VID_20130502_220104.avi -metadata creation_time="2013-05-02 22:01:04" -codec copy VID_20130502_220104-2.aviInstead, it seems to strip all metadata from the output file. Here is the output of a few commands. I am going nuts. I think this should work, but why is it not ?
Command to edit the creation time :
ffmpeg -i VID_20130502_220104.avi -metadata creation_time="2013-05-02 22:01:04" -codec copy VID_20130502_220104-2.avi
ffmpeg version 3.1.5 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.4.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, avi, from 'VID_20130502_220104.avi':
Metadata:
encoder :
maker : NIKON
model : COOLPIX S4300
creation_time : 2011-01-01 00:00:00
Duration: 00:01:30.50, start: 0.000000, bitrate: 32135 kb/s
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 1280x720, 31782 kb/s, 30 fps, 30 tbr, 30 tbn, 30 tbc
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, 1 channels, s16, 352 kb/s
[avi @ 000000000032ad40] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, avi, to 'VID_20130502_220104-2.avi':
Metadata:
creation_time : 2013-05-02 22:01:04
maker : NIKON
model : COOLPIX S4300
ISFT : Lavf57.41.100
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 1280x720, q=2-31, 31782 kb/s, 30 fps, 30 tbr, 30 tbn, 30 tbc
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, mono, 352 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 891 fps=0.0 q=-1.0 size= 116171kB time=00:00:29.69 bitrate=32043.1kbits/s speed=59.4x
frame= 1739 fps=1739 q=-1.0 size= 227191kB time=00:00:57.96 bitrate=32107.5kbits/s speed= 58x
frame= 2609 fps=1739 q=-1.0 size= 340940kB time=00:01:26.96 bitrate=32115.9kbits/s speed= 58x
frame= 2715 fps=1734 q=-1.0 Lsize= 355018kB time=00:01:30.49 bitrate=32136.3kbits/s speed=57.8x
video:350984kB audio:3897kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.038597%Command to inspect the output file metadata with ffmpeg :
ffmpeg -i VID_20130502_220104-2.avi
ffmpeg version 3.1.5 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.4.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, avi, from 'VID_20130502_220104-2.avi':
Metadata:
encoder : Lavf57.41.100
Duration: 00:01:30.50, start: 0.000000, bitrate: 32136 kb/s
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 1280x720, 31782 kb/s, 30 fps, 30 tbr, 30 tbn, 30 tbc
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, 1 channels, s16, 352 kb/s
At least one output file must be specifiedCommand to inspect the input file metadata with exiftool :
exiftool.exe VID_20130502_220104.avi
ExifTool Version Number : 10.30
File Name : VID_20130502_220104.avi
Directory : .
File Size : 347 MB
File Modification Date/Time : 2013:05:13 16:33:52-04:00
File Access Date/Time : 2015:11:10 23:08:25-05:00
File Creation Date/Time : 2015:11:10 23:08:25-05:00
File Permissions : rw-rw-rw-
File Type : AVI
File Type Extension : avi
MIME Type : video/x-msvideo
Frame Rate : 30
Max Data Rate : 488.3 kB/s
Frame Count : 2715
Stream Count : 2
Stream Type : Video
Video Codec : mjpg
Video Frame Rate : 30
Video Frame Count : 2715
Quality : 10000
Sample Size : Variable
Image Width : 1280
Image Height : 720
Planes : 1
Bit Depth : 24
Compression : MJPG
Image Length : 2764800
Pixels Per Meter X : 0
Pixels Per Meter Y : 0
Num Colors : Use BitDepth
Num Important Colors : All
Audio Codec :
Audio Sample Rate : 22050
Audio Sample Count : 1995256
Encoding : Microsoft PCM
Num Channels : 1
Sample Rate : 22050
Avg Bytes Per Sec : 44100
Bits Per Sample : 16
Maker Note Type : NIKON
Maker Note Version : 0.1.0.0
Make : NIKON
Model : COOLPIX S4300
Software : V1.0
Equipment : NIKON DIGITAL CAMERA
Orientation : Horizontal (normal)
Exposure Time : 1/15
F Number : 3.5
Exposure Compensation : 0
Max Aperture Value : 3.2
Metering Mode : Multi-segment
Focal Length : 4.6 mm
X Resolution : 72
Y Resolution : 72
Resolution Unit : inches
Date/Time Original : 2011:01:01 00:00:00
Create Date : 2011:01:01 00:00:00
Focus Mode : AF-S
Digital Zoom : 1
Color Mode : COLOR
Sharpness : AUTO
White Balance : NORMAL
Noise Reduction : OFF
Thumbnail Image : (Binary data 3082 bytes, use -b option to extract)
Aperture : 3.5
Duration : 0:01:30
Image Size : 1280x720
Megapixels : 0.922
Shutter Speed : 1/15
Focal Length : 4.6 mmCommand to inspect the output file metadata with exiftool :
exiftool.exe VID_20130502_220104-2.avi
ExifTool Version Number : 10.30
File Name : VID_20130502_220104-2.avi
Directory : .
File Size : 347 MB
File Modification Date/Time : 2016:11:01 00:17:38-04:00
File Access Date/Time : 2016:11:01 00:17:36-04:00
File Creation Date/Time : 2016:11:01 00:15:18-04:00
File Permissions : rw-rw-rw-
File Type : AVI
File Type Extension : avi
MIME Type : video/x-msvideo
Frame Rate : 30
Max Data Rate : 3923 kB/s
Frame Count : 2715
Stream Count : 2
Stream Type : Video
Video Codec : MJPG
Video Frame Rate : 30
Video Frame Count : 2715
Quality : Default
Sample Size : Variable
Image Width : 1280
Image Height : 720
Planes : 1
Bit Depth : 24
Compression : MJPG
Image Length : 2764800
Pixels Per Meter X : 0
Pixels Per Meter Y : 0
Num Colors : Use BitDepth
Num Important Colors : All
Audio Codec : .
Audio Sample Rate : 22050
Audio Sample Count : 1995256
Encoding : Microsoft PCM
Num Channels : 1
Sample Rate : 22050
Avg Bytes Per Sec : 44100
Bits Per Sample : 16
Software : Lavf57.41.100
Duration : 0:01:30
Image Size : 1280x720
Megapixels : 0.922
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