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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (70)
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Gestion générale des documents
13 mai 2011, parMédiaSPIP ne modifie jamais le document original mis en ligne.
Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...) -
Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
MediaSPIP Core : La Configuration
9 novembre 2010, parMediaSPIP Core fournit par défaut trois pages différentes de configuration (ces pages utilisent le plugin de configuration CFG pour fonctionner) : une page spécifique à la configuration générale du squelettes ; une page spécifique à la configuration de la page d’accueil du site ; une page spécifique à la configuration des secteurs ;
Il fournit également une page supplémentaire qui n’apparait que lorsque certains plugins sont activés permettant de contrôler l’affichage et les fonctionnalités spécifiques (...)
Sur d’autres sites (12162)
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FFmpeg AVFrame Audio Data Modification
5 septembre 2016, par ArlindI’m trying to figure out how FFmpeg saves data in an
AVFrame
after the audio has been decoded.Basically, if I print the data in the
AVFrame->data[]
array I get a number of unsigned 8 bit integers that is the audio in raw format.From what I can understand from the FFmpeg doxygen, the format of the data is expressed in the
enum AVSampleFormat
and there are 2 main categories : interleaved and planar. In the interleaved type, the data is all kept in the first row of theAVFrame->data
array with sizeAVFrame->linesize[0]
while in the planar type each channel of the audio file is kept in a separate row of theAVFrame->data
array and the arrays have as sizeAVFrame->linesize[0]
.Is there a guide/tutorial that explains what do the numbers in the array mean for each of the formats ?
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How to do reprocessing H264 data to image/video
3 octobre 2017, par somethingunexpectedI have been working on a project which blows my mind.
First of all, I have an IP camera that streams H264 data. I am able to stream it with its RTSP url via VLC/ffmpeg/python (rtsp ://ip:port/PSIA/Streaming/channels/2 ?videoCodecType=H.264). So, there is nothing to worry about streaming.
However, on the project, camera is connected to the another system. This system gives the H264 data via ethernet to my PC, so camera is not connected directly to the PC.
The system gives the data in every 10 ms at 1000 bytes. For example, if incoming data is 800 bytes, it adds 200 null bytes.What I can do is to extract these null bytes and take the raw data via a socket. For latency, I use thread module so there is no data leakage.
What I gotta do is to turn these raw H264 data to an image sequence or a video that can be displayed via VLC, ffmpeg, Classic Media Player etc.
I preferrebly want to write my code in Python and every operation has to be in real-time. So, any help would be appreciated.
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ffmpeg amix : process pcm data stream realtime
29 décembre 2020, par YouCLI am building an exe with ffmpeg libs. In this exe, I got 2 3 pcm data streams from lower level sdk, I need to mix/merge these data to an audio file on the fly. Now I am trying
amix
filter, my questions are :

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- How to send raw pcm data to ffmpeg
filter graph
by hand instead of frames from decoder as usual ? - One of the pcm data streams starts and ends randomly. If I set 3
source filter
s, is it going to work ?






- How to send raw pcm data to ffmpeg