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Autres articles (38)
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L’espace de configuration de MediaSPIP
29 novembre 2010, parL’espace de configuration de MediaSPIP est réservé aux administrateurs. Un lien de menu "administrer" est généralement affiché en haut de la page [1].
Il permet de configurer finement votre site.
La navigation de cet espace de configuration est divisé en trois parties : la configuration générale du site qui permet notamment de modifier : les informations principales concernant le site (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (3697)
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How to transcode to another video parameters ? [on hold]
23 mai 2014, par user3668381Google, man pages and any docs I found didn t shown anything relevant so...
I want to be able to concatene video with ffmpeg, this part is simple, but fail (freeze or massive frame dropping) if the videos don t have the same properties.
But for now, I didn t found anything else but trying to set a lot of options, expecting to get the good properties... But when they aren t rounded down (or up), you just can t set them (tbr, tbn...).
So my question is, is there any hidden option in ffmpeg to take the properties of another video (so -copy won t work) as the properties of the transcode.
Illustration :
This is the video from which I wan t to copy the parameters :
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'cdr.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
creation_time : 2013-07-04 11:04:27
encoder : Lavf54.11.100
Duration: 00:06:26.96, start: 0.000000, bitrate: 804 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 854x480 [SAR 1280:1281 DAR 16:9], 753 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc (default)
Metadata:
creation_time : 2013-07-04 11:04:27
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 44 kb/s (default)
Metadata:
creation_time : 2013-07-04 11:04:27
handler_name : SoundHandler
At least one output file must be specifiedFor now, my command is
ffmpeg -i video.mp4 -c:v h264 -c:a libfdk_aac -aspect 16:9 -b:v 753k -b:a 44k output.mp4
But it turn out that output.mp4 reveal :
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'output.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf55.21.100
Duration: 00:00:07.11, start: 0.046440, bitrate: 685 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 854x480 [SAR 1280:1281 DAR 16:9], 637 kb/s, 15 fps, 15 tbr, 15360 tbn, 30 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 45 kb/s (default)
Metadata:
handler_name : SoundHandler
At least one output file must be specifiedAs we can see, audio bitrate is rounded, tbn is off the chart, general bitrate isn t the same and on and on and on...
Is there any better way but to add options again and again and hope that nothing will be rounded ? Something like
ffmpeg -i video.mp4 -use_properties_of model.mp4 output.mp4
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Ffmpeg - Remove rotate metadata
16 mai 2014, par Ron IWhen I extract the images from a video, the resulting images are getting rotated. The orientation of the video is correct, and the images are upside down. The metadata for the original video is 180, and also for the output file, so it looks like it is copying that data and additionally rotating 180 degrees. However, since the original video is already rotated, it is flipping the video upside down.
I would like to remove the metadata for the output file containing the ’rotate’ command. I tried adding -vf rotate=0, but it didn’t work.
Here is the command I am running :
ffmpeg -i left.MOV -r 1 -f image2 left-03%d.png
I assume this is what is throwing it off (it looks like it is copying the rotate metadata from the input file and applying it to the output file) :
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'left.MOV':
rotate : 180
Output #0, image2, to 'left-03%d.png':
Metadata:
rotate : 180Here’s the full output :
ffmpeg version 2.2.1 Copyright (c) 2000-2014 the FFmpeg developers
built on Apr 11 2014 22:50:35 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.2.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
libavutil 52. 66.100 / 52. 66.100
libavcodec 55. 52.102 / 55. 52.102
libavformat 55. 33.100 / 55. 33.100
libavdevice 55. 10.100 / 55. 10.100
libavfilter 4. 2.100 / 4. 2.100
libavresample 1. 2. 0 / 1. 2. 0
libswscale 2. 5.102 / 2. 5.102
libswresample 0. 18.100 / 0. 18.100
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'left.MOV':
Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
creation_time : 2014-05-14 16:24:27
make : Apple
make-eng : Apple
encoder : 7.1.1
encoder-eng : 7.1.1
date : 2014-05-14T09:23:48-0700
date-eng : 2014-05-14T09:23:48-0700
model : iPhone 5
model-eng : iPhone 5
Duration: 00:00:10.98, start: 0.000000, bitrate: 795 kb/s
Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 62 kb/s (default)
Metadata:
creation_time : 2014-05-14 16:24:27
handler_name : Core Media Data Handler
Stream #0:1(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 568x320, 728 kb/s, 29.97 fps, 29.97 tbr, 600 tbn, 1200 tbc (default)
Metadata:
rotate : 180
creation_time : 2014-05-14 16:24:27
handler_name : Core Media Data Handler
Output #0, image2, to 'left-03%d.png':
Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
model-eng : iPhone 5
make : Apple
make-eng : Apple
model : iPhone 5
encoder-eng : 7.1.1
date : 2014-05-14T09:23:48-0700
date-eng : 2014-05-14T09:23:48-0700
encoder : Lavf55.33.100
Stream #0:0(und): Video: png, rgb24, 568x320, q=2-31, 200 kb/s, 90k tbn, 1 tbc (default)
Metadata:
rotate : 180
creation_time : 2014-05-14 16:24:27
handler_name : Core Media Data Handler
Stream mapping:
Stream #0:1 -> #0:0 (h264 -> png)
Press [q] to stop, [?] for help
frame= 14 fps=0.0 q=0.0 Lsize=N/A time=00:00:14.00 bitrate=N/A dup=0 drop=315
video:1521kB audio:0kB subtitle:0 data:0 global headers:0kB muxing overhead -100.001411% -
Top 5 Customer Segmentation Software in 2024
12 mars 2024, par Erin