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  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 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 (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

Sur d’autres sites (4946)

  • Show progress of a video conversion with c# (see details please)

    25 février 2015, par ChrisCreateBoss

    I’m using WinForms. I want to show the progress of a video conversion, I’m currently using the NReco.VideoConverter, I’ve tried FFLib.Encoder too, it has an EventHandler named Progress, but I can’t make it work with the progressBar.

    I’ve tried progressBar1.Value += converter.Progress;, also tried using a "percentHandler", and it failed.

    Hope someone can help me. Also, if someone knows about a better video conversion library, please let me know.

    Thnaks in advance

  • issue after video rotation how fix

    2 avril 2015, par Vahagn

    I have next code for rotate video

    OpenCVFrameConverter.ToIplImage converter2 = new OpenCVFrameConverter.ToIplImage() ;

    for (int i = firstIndex; i <= lastIndex; i++) {
    
    long t = timestamps[i % timestamps.length] - startTime;
    
    if (t >= 0) {
    
        if (t > recorder.getTimestamp()) {
    
            recorder.setTimestamp(t);
    
        }
    
        Frame g = converter2.convert(rotate(converter2.convertToIplImage(images[i % images.length]),9 0));
    
    recorder.record(g);
    
    }
    
}

    images[i] - Frame in JavaCV
    after in video have green lines

    UPDATE
    Convertation function

    /*
    
 * Copyright (C) 2015 Samuel Audet
    
 *
    
 * This file is part of JavaCV.
    
 *
    
 * JavaCV is free software: you can redistribute it and/or modify
    
 * it under the terms of the GNU General Public License as published by
    
 * the Free Software Foundation, either version 2 of the License, or
    
 * (at your option) any later version (subject to the "Classpath" exception
    
 * as provided in the LICENSE.txt file that accompanied this code).
    
 *
    
 * JavaCV is distributed in the hope that it will be useful,
    
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
    
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    
 * GNU General Public License for more details.
    
 *
    
 * You should have received a copy of the GNU General Public License
    
 * along with JavaCV.  If not, see /www.gnu.org/licenses/>.
    
 */
    

    
package com.example.vvardanyan.ffmpeg;
    

    
import org.bytedeco.javacpp.BytePointer;
    
import org.bytedeco.javacpp.Pointer;
    

    
import java.nio.Buffer;
    

    
import static org.bytedeco.javacpp.opencv_core.CV_16S;
    
import static org.bytedeco.javacpp.opencv_core.CV_16U;
    
import static org.bytedeco.javacpp.opencv_core.CV_32F;
    
import static org.bytedeco.javacpp.opencv_core.CV_32S;
    
import static org.bytedeco.javacpp.opencv_core.CV_64F;
    
import static org.bytedeco.javacpp.opencv_core.CV_8S;
    
import static org.bytedeco.javacpp.opencv_core.CV_8U;
    
import static org.bytedeco.javacpp.opencv_core.CV_MAKETYPE;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_16S;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_16U;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_32F;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_32S;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_64F;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_8S;
    
import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_8U;
    
import static org.bytedeco.javacpp.opencv_core.IplImage;
    
import static org.bytedeco.javacpp.opencv_core.Mat;
    

    
/**
    
 * A utility class to map data between {@link Frame} and {@link IplImage} or {@link Mat}.
    
 * Since this is an abstract class, one must choose between two concrete classes:
    
 * {@link ToIplImage} or {@link ToMat}.
    
 *
    
 * @author Samuel Audet
    
 */
    
public abstract class OpenCVFrameConverter<f> extends FrameConverter<f> {
    
    IplImage img;
    
    Mat mat;
    

    
    public static class ToIplImage extends OpenCVFrameConverter<iplimage> {
    
        @Override public IplImage convert(Frame frame) { return convertToIplImage(frame); }
    
    }
    

    
    public static class ToMat extends OpenCVFrameConverter<mat> {
    
        @Override public Mat convert(Frame frame) { return convertToMat(frame); }
    
    }
    

    
    public static int getFrameDepth(int depth) {
    
        switch (depth) {
    
            case IPL_DEPTH_8U:  case CV_8U:  return Frame.DEPTH_UBYTE;
    
            case IPL_DEPTH_8S:  case CV_8S:  return Frame.DEPTH_BYTE;
    
            case IPL_DEPTH_16U: case CV_16U: return Frame.DEPTH_USHORT;
    
            case IPL_DEPTH_16S: case CV_16S: return Frame.DEPTH_SHORT;
    
            case IPL_DEPTH_32F: case CV_32F: return Frame.DEPTH_FLOAT;
    
            case IPL_DEPTH_32S: case CV_32S: return Frame.DEPTH_INT;
    
            case IPL_DEPTH_64F: case CV_64F: return Frame.DEPTH_DOUBLE;
    
            default: return -1;
    
        }
    
    }
    

    
    public static int getIplImageDepth(Frame frame) {
    
        switch (frame.imageDepth) {
    
            case Frame.DEPTH_UBYTE:  return IPL_DEPTH_8U;
    
            case Frame.DEPTH_BYTE:   return IPL_DEPTH_8S;
    
            case Frame.DEPTH_USHORT: return IPL_DEPTH_16U;
    
            case Frame.DEPTH_SHORT:  return IPL_DEPTH_16S;
    
            case Frame.DEPTH_FLOAT:  return IPL_DEPTH_32F;
    
            case Frame.DEPTH_INT:    return IPL_DEPTH_32S;
    
            case Frame.DEPTH_DOUBLE: return IPL_DEPTH_64F;
    
            default:  return -1;
    
        }
    
    }
    
    static boolean isEqual(Frame frame, IplImage img) {
    
        return img != null &amp;&amp; frame != null &amp;&amp; frame.image != null &amp;&amp; frame.image.length > 0
    
                &amp;&amp; frame.imageWidth == img.width() &amp;&amp; frame.imageHeight == img.height()
    
                &amp;&amp; frame.imageChannels == img.nChannels() &amp;&amp; getIplImageDepth(frame) == img.depth()
    
                &amp;&amp; new Pointer(frame.image[0]).address() == img.imageData().address()
    
                &amp;&amp; frame.imageStride * Math.abs(frame.imageDepth) / 8 == img.widthStep();
    
    }
    
    public IplImage convertToIplImage(Frame frame) {
    
        if (frame == null) {
    
            return null;
    
        } else if (frame.opaque instanceof IplImage) {
    
            return (IplImage)frame.opaque;
    
        } else if (!isEqual(frame, img)) {
    
            int depth = getIplImageDepth(frame);
    
            img = depth &lt; 0 ? null : IplImage.createHeader(frame.imageWidth, frame.imageHeight, depth, frame.imageChannels)
    
                    .imageData(new BytePointer(new Pointer(frame.image[0].position(0)))).widthStep(frame.imageStride * Math.abs(frame.imageDepth) / 8);
    
        }
    
        return img;
    
    }
    
    public Frame convert(IplImage img) {
    
        if (img == null) {
    
            return null;
    
        } else if (!isEqual(frame, img)) {
    
            frame = new Frame();
    
            frame.imageWidth = img.width();
    
            frame.imageHeight = img.height();
    
            frame.imageDepth = getFrameDepth(img.depth());
    
            frame.imageChannels = img.nChannels();
    
            frame.imageStride = img.widthStep() * 8 / Math.abs(frame.imageDepth);
    
            frame.image = new Buffer[] { img.createBuffer() };
    
            frame.opaque = img;
    
        }
    
        return frame;
    
    }
    

    
    public static int getMatDepth(Frame frame) {
    
        switch (frame.imageDepth) {
    
            case Frame.DEPTH_UBYTE:  return CV_8U;
    
            case Frame.DEPTH_BYTE:   return CV_8S;
    
            case Frame.DEPTH_USHORT: return CV_16U;
    
            case Frame.DEPTH_SHORT:  return CV_16S;
    
            case Frame.DEPTH_FLOAT:  return CV_32F;
    
            case Frame.DEPTH_INT:    return CV_32S;
    
            case Frame.DEPTH_DOUBLE: return CV_64F;
    
            default:  return -1;
    
        }
    
    }
    
    static boolean isEqual(Frame frame, Mat mat) {
    
        return mat != null &amp;&amp; frame != null &amp;&amp; frame.image != null &amp;&amp; frame.image.length > 0
    
                &amp;&amp; frame.imageWidth == mat.cols() &amp;&amp; frame.imageHeight == mat.rows()
    
                &amp;&amp; frame.imageChannels == mat.channels() &amp;&amp; getMatDepth(frame) == mat.depth()
    
                &amp;&amp; new Pointer(frame.image[0]).address() == mat.data().address()
    
                &amp;&amp; frame.imageStride * Math.abs(frame.imageDepth) / 8 == (int)mat.step();
    
    }
    
    public Mat convertToMat(Frame frame) {
    
        if (frame == null) {
    
            return null;
    
        } else if (frame.opaque instanceof Mat) {
    
            return (Mat)frame.opaque;
    
        } else if (!isEqual(frame, mat)) {
    
            int depth = getMatDepth(frame);
    
            mat = depth &lt; 0 ? null : new Mat(frame.imageHeight, frame.imageWidth, CV_MAKETYPE(depth, frame.imageChannels),
    
                    new Pointer(frame.image[0].position(0)), frame.imageStride * Math.abs(frame.imageDepth) / 8);
    
        }
    
        return mat;
    
    }
    
    public Frame convert(Mat mat) {
    
        if (mat == null) {
    
            return null;
    
        } else if (!isEqual(frame, mat)) {
    
            frame = new Frame();
    
            frame.imageWidth = mat.cols();
    
            frame.imageHeight = mat.rows();
    
            frame.imageDepth = getFrameDepth(mat.depth());
    
            frame.imageChannels = mat.channels();
    
            frame.imageStride = (int)mat.step() * 8 / Math.abs(frame.imageDepth);
    
            frame.image = new Buffer[] { mat.createBuffer() };
    
            frame.opaque = mat;
    
        }
    
        return frame;
    
    }
    
}
    
</mat></iplimage></f></f>

  • Convert all files at once to uncompressed .avi ffmpeg

    6 mai 2015, par Alsafi Safi

    FFmpeg

    Please help me to process each using one line of ffmpeg code to convert all files at once to uncompressed .avi files that are at a pixel dimension of 704x480. This codes is working nice, but I faced that. When I type (y). the output file is remove the past file (input _double_high) and create a new one with the same name. The code doesn’t convert all of them. I hope to convert all of them at the same time. Could you help editing this code :

    forfiles /p 264s /m *.264 /c "cmd /c ffmpeg -f h264 -i @file -vf scale=704*480 input_double_high.avi"

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