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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (104)
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MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
Multilang : améliorer l’interface pour les blocs multilingues
18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela. -
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 (...)
Sur d’autres sites (12048)
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regarding h264_qsv encoding speed in ffmpeg
31 janvier 2021, par TONYAs we know, now ffmpeg supports intel hardware encoding(h264 qsv).
But it doesn't support "ultra fast", is there any settings to improve the encoding speed ?


m_encoder = avcodec_find_encoder_by_name("h264_qsv");
if(m_encoder == nullptr){
 LOG(ERROR)<<"Find H264 Encoder failed";
 return false;
}
m_ctx = avcodec_alloc_context3(m_encoder);
m_ctx->bit_rate = bitrate_kbps*1024;
m_ctx->width = m_width;
m_ctx->height = m_height;
m_ctx->time_base = { 1, (int)fps };
m_ctx->qmin = 10;
m_ctx->qmax = 35;
m_ctx->gop_size = fps;
m_ctx->max_b_frames = 0;
m_ctx->has_b_frames = false;

m_ctx->codec_id = m_encoder->id;
m_ctx->codec_type = AVMEDIA_TYPE_VIDEO;
m_ctx->pix_fmt = m_h264InputFormat;

AVDictionary *param = nullptr;
av_dict_set(&param, "look_ahead", "0", 0);
av_dict_set(&param, "look_ahead_depth", "8", 0);
av_dict_set(&param, "preset", "veryfast", 0);
av_dict_set(&param, "tune", "zerolatency", 0);

int ret = avcodec_open2(m_ctx, m_encoder, &param);



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Most generic ffmpeg command to truncate video [duplicate]
18 octobre 2014, par David542This question already has an answer here :
I have several thousand videos that I would like to truncate the video to the first two minutes. Here is the command I’m using so far :
ffmpeg -i %s -ss 0 -t 120 %s' % (input_path, output_path)
However, this runs into many errors on valid files. Is there an ’ultra-generic’ command I can use to truncate the file to the first two minutes, and it will work with all videos ?
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avformat/mov : set correct error code in mov_read_custom
27 novembre 2017, par Pan Bianavformat/mov : set correct error code in mov_read_custom
In function mov_read_custom(), it returns 0 on the path that av_malloc()
returns a NULL pointer. 0 indicates success. An error code should be
assigned to ret.Signed-off-by : Pan Bian <bianpan2016@163.com>
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>