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Autres articles (88)
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Dépôt de média et thèmes par FTP
31 mai 2013, parL’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...) -
Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users. -
MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 est la première version de MediaSPIP stable.
Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)
Sur d’autres sites (12747)
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Why frame->pts increases by 20, rather than by 1 ?
19 mars 2013, par user1914692Following the exmaples of ffmpeg : decoding_encoding.c and filtering_video.c, I process one video file taken by iPhone. The video file : .mov, video dimensions ; 480x272, video Codec : H.264/AVC, 30 frames per second, bitrate : 605 kbps.
I first extract each frame, which is YUV.
I convert YUV to RGB24, and process the RGB24, then write the RGB24 to a .ppm file. It shows the .ppm file is correct.Then I plan to encode processed RGB24 frames to a video file.
Since MPEG does not support RGB24 picture format, I used AV_CODEC_ID_HUFFYUV.
But the output video file (showing 18.5 MB) does not play. Movie Player on Ubuntu claims an error : Could not determine type of stream.
I also tried it on VCL. It simply does not work, without any error information.My second questions is :
For each extracted fram from the input video file, I get its pts as follows according to filtering_video.c :frame->pts = av_frame_get_best_effort_timestamp(frame);
I print out each frame's pts, and find that it increases by 20, like below :
pFrameRGB_count: 0, frame->pts: 0
pFrameRGB_count: 1, frame->pts: 20
pFrameRGB_count: 2, frame->pts: 40
pFrameRGB_count: 3, frame->pts: 60Where frame is the extracted frame from the input video, and pFrameRGB_count is the count for processed frame in RGB24 form.
Why are they wrong ?
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Rails : Encoder error when converting video using FFMPEG on Heroku
2 janvier 2013, par andmcgregorI'm trying to upload a video and convert the file to mp4 and reduce the file size using the
paperclip-ffmpeg
andpaperclip
gems. Everything works fine running a local server and I'm only getting this problem on heroku. I have ffmpeg installed in vendor/ffmpeg/ (I followed these steps : https://gist.github.com/3963576). Here is the code I've got and the error I'm getting :models/video.rb :
class Video < ActiveRecord::Base
attr_accessible :content, :user_id, :video
has_attached_file :video , :styles => {
:medium => { :geometry => "500x500", :format => 'mp4',
:convert_options => { :output => { :vcodec => 'libx264',
:b => '1000k', :bt => '200k',
:acodec => 'libfaac', :ab => '56k', :ac => 2 } } }
}, :processors => [:ffmpeg]
belongs_to :user
endwhen I run
heroku logs
:2013-01-02T00:38:20+00:00 app[web.1]: Started POST "/videos" for 101.170.255.251 at 2013-01-02 00:38:20 +0000
2013-01-02T00:38:20+00:00 app[web.1]: Processing by VideosController#create as HTML
2013-01-02T00:38:20+00:00 app[web.1]: Parameters: {"utf8"=>"✓", "authenticity_token"=>"X0IKts46TF8aFvEb1I/szFo/28omlVBXIIyJ3APz3YA=", "video"=>{"content"=>"", "video"=>#quicktime\r\n", @tempfile=#tmp/RackMultipart20130102-2-1ch9zcp>>}, "commit"=>"Post"}
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] ffmpeg -i "/tmp/sample20130102-2-4j5sgh.mov" 2>&1
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Resize
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Command Success
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Making...
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Building Destination File: 'sample20130102-2-4j5sgh' + 'mp4'
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Destination File Built
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Adding Source
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Adding Geometry
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Convert Options: 500x280
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Adding Format
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] -i :source -y -vcodec libx264 -b 1000k -bt 200k -acodec libfaac -ab 56k -ac 2 -s 500x280 :dest
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Extracting Target Dimensions
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Building Parameters
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Target Size is Available
2013-01-02T00:38:20+00:00 app[web.1]: [paperclip] [ffmpeg] Keeping Aspect Ratio
2013-01-02T00:38:20+00:00 app[web.1]: Command :: ffmpeg -i '/tmp/sample20130102-2-4j5sgh.mov' -y -vcodec libx264 -b 1000k -bt 200k -acodec libfaac -ab 56k -ac 2 -s 500x280 '/tmp/sample20130102-2-4j5sgh20130102-2-1mr35ix.mp4'
2013-01-02T00:38:20+00:00 app[web.1]: ffmpeg version git-2013-01-01-d079d1d Copyright (c) 2000-2012 the FFmpeg developers
2013-01-02T00:38:20+00:00 app[web.1]: built on Jan 1 2013 12:59:49 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5)
2013-01-02T00:38:20+00:00 app[web.1]: configuration: --enable-shared --disable-asm --prefix=/app/vendor/ffmpeg
2013-01-02T00:38:20+00:00 app[web.1]: libavfilter 3. 30.102 / 3. 30.102
2013-01-02T00:38:20+00:00 app[web.1]: libavcodec 54. 85.100 / 54. 85.100
2013-01-02T00:38:20+00:00 app[web.1]: libavdevice 54. 3.102 / 54. 3.102
2013-01-02T00:38:20+00:00 app[web.1]: libavutil 52. 13.100 / 52. 13.100
2013-01-02T00:38:20+00:00 app[web.1]: libswresample 0. 17.102 / 0. 17.102
2013-01-02T00:38:20+00:00 app[web.1]: libswscale 2. 1.103 / 2. 1.103
2013-01-02T00:38:20+00:00 app[web.1]: libavformat 54. 58.100 / 54. 58.100
2013-01-02T00:38:21+00:00 app[web.1]: creation_time : 2013-01-02 00:36:58
2013-01-02T00:38:21+00:00 app[web.1]: minor_version : 0
2013-01-02T00:38:21+00:00 app[web.1]: major_brand : qt
2013-01-02T00:38:21+00:00 app[web.1]: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/sample20130102-2-4j5sgh.mov':
2013-01-02T00:38:21+00:00 app[web.1]: model : iPhone 4
2013-01-02T00:38:21+00:00 app[web.1]: compatible_brands: qt
2013-01-02T00:38:21+00:00 app[web.1]: model-eng : iPhone 4
2013-01-02T00:38:21+00:00 app[web.1]: make-eng : Apple
2013-01-02T00:38:21+00:00 app[web.1]: date-eng : 2012-12-28T00:39:34+1100
2013-01-02T00:38:21+00:00 app[web.1]: encoder : 6.0
2013-01-02T00:38:21+00:00 app[web.1]: encoder-eng : 6.0
2013-01-02T00:38:21+00:00 app[web.1]: Duration: 00:00:00.03, start: 0.000000, bitrate: 9465 kb/s
2013-01-02T00:38:21+00:00 app[web.1]: Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 75 kb/s
2013-01-02T00:38:21+00:00 app[web.1]: date : 2012-12-28T00:39:34+1100
2013-01-02T00:38:21+00:00 app[web.1]: creation_time : 2013-01-02 00:36:58
2013-01-02T00:38:21+00:00 app[web.1]: make : Apple
2013-01-02T00:38:21+00:00 app[web.1]: Metadata:
2013-01-02T00:38:21+00:00 app[web.1]: Metadata:
2013-01-02T00:38:21+00:00 app[web.1]: handler_name : Core Media Data Handler
2013-01-02T00:38:21+00:00 app[web.1]: Stream #0:1(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 8605 kb/s, 30 fps, 30 tbr, 600 tbn, 1200 tbc
2013-01-02T00:38:21+00:00 app[web.1]: Metadata:
2013-01-02T00:38:21+00:00 app[web.1]: handler_name : Core Media Data Handler
2013-01-02T00:38:21+00:00 app[web.1]: Unknown encoder 'libx264'
2013-01-02T00:38:21+00:00 app[web.1]: Please use -b:a or -b:v, -b is ambiguous
2013-01-02T00:38:21+00:00 app[web.1]: creation_time : 2013-01-02 00:36:58
2013-01-02T00:38:21+00:00 app[web.1]: [paperclip] An error was received while processing: #
2013-01-02T00:38:21+00:00 app[web.1]: Rendered videos/new.html.erb within layouts/application (3.2ms)
2013-01-02T00:38:21+00:00 heroku[router]: at=info method=POST path=/videos host=stark-sea-5654.herokuapp.com fwd=101.170.255.251 dyno=web.1 queue=0 wait=0ms connect=3ms service=3685ms status=200 bytes=1878
2013-01-02T00:38:21+00:00 app[web.1]: Rendered layouts/_footer.html.erb (0.0ms)
2013-01-02T00:38:21+00:00 app[web.1]: Completed 200 OK in 342ms (Views: 124.8ms | ActiveRecord: 10.4ms)
2013-01-02T00:38:21+00:00 app[web.1]: Rendered layouts/_header.html.erb (1.2ms)Everything works fine until the message
Unknown encoder 'libx264'
so I'm thinking it's something to do with ffmpeg perhaps ? -
Conflicting types error using linphone ios sdk
4 décembre 2013, par VinZI downloaded the linphone sdk for iphone sourcecode and compiled it on my machine. The SDK build was successful after few fixes. But while building the app in Xcode, it is throwing the following error :
Error 1 :
/linphone-iphone/submodules/linphone/mediastreamer2/src/utils/ffmpeg-priv.h:78:17: Conflicting types for 'avcodec_alloc_context3'
Error 2 :
/linphone-iphone/submodules/linphone/mediastreamer2/src/utils/ffmpeg-priv.h:82:5: Conflicting types for 'avcodec_open2'
It is coming from mediastreamer2/ffmpeg source code. Any help on how to fix this is highly appreciated.