
Recherche avancée
Médias (1)
-
Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (82)
-
Amélioration de la version de base
13 septembre 2013Jolie sélection multiple
Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...) -
Menus personnalisés
14 novembre 2010, parMediaSPIP utilise le plugin Menus pour gérer plusieurs menus configurables pour la navigation.
Cela permet de laisser aux administrateurs de canaux la possibilité de configurer finement ces menus.
Menus créés à l’initialisation du site
Par défaut trois menus sont créés automatiquement à l’initialisation du site : Le menu principal ; Identifiant : barrenav ; Ce menu s’insère en général en haut de la page après le bloc d’entête, son identifiant le rend compatible avec les squelettes basés sur Zpip ; (...) -
Configuration spécifique pour PHP5
4 février 2011, parPHP5 est obligatoire, vous pouvez l’installer en suivant ce tutoriel spécifique.
Il est recommandé dans un premier temps de désactiver le safe_mode, cependant, s’il est correctement configuré et que les binaires nécessaires sont accessibles, MediaSPIP devrait fonctionner correctement avec le safe_mode activé.
Modules spécifiques
Il est nécessaire d’installer certains modules PHP spécifiques, via le gestionnaire de paquet de votre distribution ou manuellement : php5-mysql pour la connectivité avec la (...)
Sur d’autres sites (4841)
-
Overlay filter in LibAV/FFMpeg returns strange (tripled) frame in C
28 juillet 2014, par gkuczeraI tried to make a program, which merges two frames. I use LibAV (libav-win32-20140428) under Windows 7 64 and Visual Studio 2013.
But the result is quite odd.The filter which was used is Overlay. When I change the graph, to the one, that uses only one stream and add FADE effect, everything works like a charm. But OVERLAY and eg. DRAWBOX give me strange distortion (three frames on one and black and white effect). Here is the code :
static int init_filter_graph(AVFilterGraph **pGraph, AVFilterContext **pSrc1, AVFilterContext **pSink)
{
AVFilterGraph* tFilterGraph;
AVFilterContext* tBufferContext1;
AVFilter* tBuffer1;
AVFilterContext* tColorContext;
AVFilter* tColor;
AVFilterContext* tOverlayContext;
AVFilter* tOverlay;
AVFilterContext* tBufferSinkContext;
AVFilter* tBufferSink;
int tError;
/* Create a new filtergraph, which will contain all the filters. */
tFilterGraph = avfilter_graph_alloc();
if (!tFilterGraph) {
return -1;
}
{ // BUFFER FILTER 1
tBuffer1 = avfilter_get_by_name("buffer");
if (!tBuffer1) {
return -1;
}
tBufferContext1 = avfilter_graph_alloc_filter(tFilterGraph, tBuffer1, "src1");
if (!tBufferContext1) {
return -1;
}
av_dict_set(&tOptionsDict, "width", "320", 0);
av_dict_set(&tOptionsDict, "height", "240", 0);
av_dict_set(&tOptionsDict, "pix_fmt", "bgr24", 0);
av_dict_set(&tOptionsDict, "time_base", "1/25", 0);
av_dict_set(&tOptionsDict, "sar", "1", 0);
tError = avfilter_init_dict(tBufferContext1, &tOptionsDict);
av_dict_free(&tOptionsDict);
if (tError < 0) {
return tError;
}
}
{ // COLOR FILTER
tColor = avfilter_get_by_name("color");
if (!tColor) {
return -1;
}
tColorContext = avfilter_graph_alloc_filter(tFilterGraph, tColor, "color");
if (!tColorContext) {
return -1;
}
av_dict_set(&tOptionsDict, "color", "white", 0);
av_dict_set(&tOptionsDict, "size", "20x120", 0);
av_dict_set(&tOptionsDict, "framerate", "1/25", 0);
tError = avfilter_init_dict(tColorContext, &tOptionsDict);
av_dict_free(&tOptionsDict);
if (tError < 0) {
return tError;
}
}
{ // OVERLAY FILTER
tOverlay = avfilter_get_by_name("overlay");
if (!tOverlay) {
return -1;
}
tOverlayContext = avfilter_graph_alloc_filter(tFilterGraph, tOverlay, "overlay");
if (!tOverlayContext) {
return -1;
}
av_dict_set(&tOptionsDict, "x", "0", 0);
av_dict_set(&tOptionsDict, "y", "0", 0);
av_dict_set(&tOptionsDict, "main_w", "120", 0);
av_dict_set(&tOptionsDict, "main_h", "140", 0);
av_dict_set(&tOptionsDict, "overlay_w", "320", 0);
av_dict_set(&tOptionsDict, "overlay_h", "240", 0);
tError = avfilter_init_dict(tOverlayContext, &tOptionsDict);
av_dict_free(&tOptionsDict);
if (tError < 0) {
return tError;
}
}
{ // BUFFERSINK FILTER
tBufferSink = avfilter_get_by_name("buffersink");
if (!tBufferSink) {
return -1;
}
tBufferSinkContext = avfilter_graph_alloc_filter(tFilterGraph, tBufferSink, "sink");
if (!tBufferSinkContext) {
return -1;
}
tError = avfilter_init_str(tBufferSinkContext, NULL);
if (tError < 0) {
return tError;
}
}
// Linking graph
tError = avfilter_link(tBufferContext1, 0, tOverlayContext, 0);
if (tError >= 0) {
tError = avfilter_link(tColorContext, 0, tOverlayContext, 1);
}
if (tError >= 0) {
tError = avfilter_link(tOverlayContext, 0, tBufferSinkContext, 0);
}
if (tError < 0) {
return tError;
}
tError = avfilter_graph_config(tFilterGraph, NULL);
if (tError < 0) {
return tError;
}
*pGraph = tFilterGraph;
*pSrc1 = tBufferContext1;
*pSink = tBufferSinkContext;
return 0;
}What do you think is the reason ?
-
android ffmpeg halfninja av_open_input_file returns -2 (no such file or directory)
20 janvier 2012, par cdavidyoungI have built ffmpeg for Android using the code and method described at
https://github.com/halfninja/android-ffmpeg-x264
using Ubuntu running in VirtualBox on windows. I then copied libvideokit.so into the Project\libs\armeabi folder of a Windows copy of the provided projects. From there I was able to run the ProjectTest from Eclipse on my Android device. I can see the ffmpeg code being executed but when it gets to the point of opening the input file it gives me the indicated error. I have noticed some discussion of this problem at
but the solutions have not helped since the file protocol is enabled in this build and I also tried putting "file :" in front of the filepath to no avail. For completeness I tried setting minimal_featureset=0 to enable all the defaults but this gives me the same error. Below is a snapshot of the logcat from Eclipse showing the output from Videokit with an extra call to LOGE to display the result from av_open_input_file. Any suggestions of things to try would be greatly appreciated.
10-23 11:57:33.888: DEBUG/Videokit(4830): run() called
10-23 11:57:33.888: DEBUG/Videokit(4830): run passing off to main()
10-23 11:57:33.904: DEBUG/Videokit(4830): main(): registering all modules
10-23 11:57:33.927: DEBUG/Videokit(4830): main(): registered everything
10-23 11:57:33.927: DEBUG/Videokit(4830): main(): initting opts
10-23 11:57:33.943: DEBUG/Videokit(4830): main(): initted opts.
10-23 11:57:33.943: ERROR/Videokit(4830): ffmpeg version N-30996-gf925b24, Copyright (c) 2000-2011 the FFmpeg developers
10-23 11:57:33.943: ERROR/Videokit(4830): built on Oct 21 2011 13:54:03 with gcc 4.4.3
10-23 11:57:33.943: ERROR/Videokit(4830): configuration: --enable-cross-compile --arch=arm5te --enable-armv5te --target-os=linux --disable-stripping --prefix=../output --disable-neon --enable-version3 --disable-shared --enable-static --enable-gpl --enable-memalign-hack --cc=arm-linux-androideabi-gcc --ld=arm-linux-androideabi-ld --extra-cflags='-fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated' --disable-everything --enable-decoder=mjpeg --enable-demuxer=mjpeg --enable-parser=mjpeg --enable-demuxer=image2 --enable-muxer=mp4 --enable-encoder=libx264 --enable-libx264 --enable-decoder=rawvideo --enable-protocol=file --enable-hwaccels --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-network --enable-filter=buffer --enable-filter=buffersink --disable-demuxer=v4l --disable-demuxer=v4l2 --disable-indev=v4l --disable-indev=v4l2 --extra-cflags='-I../x264 -Ivideokit' --extra-ldflags=-L../x264
10-23 11:57:33.943: DEBUG/Videokit(4830): main(): parsing options
10-23 11:57:33.943: DEBUG/Videokit(4830): parse_options has 4 options to parse
10-23 11:57:33.951: ERROR/Videokit(4830): opt_input_file av_open_input_file /mnt/sdcard/fun/snap0000.jpg -2
10-23 11:57:33.951: ERROR/Videokit(4830): /mnt/sdcard/fun/snap0000.jpg: No such file or directory
10-23 11:57:33.951: ERROR/Videokit(4830): ffmpeg_exit(1) called! -
If I pass this code in Windows console it works, but when I emulate windows console in node.js code doesn't work, and returns unclear error
22 décembre 2016, par Maxim CherevatovI have code :
cmd.get(
'trimp3 ant.mp3 ant2.mp3 00:00 00:20',
function(data){
console.log('the node-cmd cloned dir contains these files :\n\n',data)
}
);If pass this code in Windows console it works well !
But, when i emulate windows console in node.js this code not work, and returns unclear mistake :[!!] ERROR: "ffmpeg" �� ����� ����७��� ��� ���譥�
��������, �ᯮ��塞�� �ணࠬ��� ��� �������� 䠩���.To emulate the use node-cmd.