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  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
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  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
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Sur d’autres sites (2239)

  • Compiling FFmpeg : libx264 not found

    17 mars 2016, par SaidTagnit

    I hope some one helps me the solve this problems. I was trying to compile FFmpeg 2.2.3 library under ubuntu 12.04LTS for android using android ndk r10e by following this tutorials :

    Tutorial1

    Tutorial2

    here is my build_android.sh file :

    #!/bin/bash
    
NDK=/home/rango/Desktop/android-ndk-r10e
    
SYSROOT=$NDK/platforms/android-19/arch-arm/
    
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86
    

    
#ADDI_LDFLAGS="-L /usr/local/lib"
    
#ADDI_CFLAGS="-I /usr/include"
    

    
function build_one
    
{
    
./configure \
    
--prefix=$PREFIX \
    
--enable-shared \
    
--enable-static \
    
--disable-doc \
    
--disable-ffmpeg \
    
--disable-ffplay \
    
--disable-ffprobe \
    
--disable-ffserver \
    
--disable-doc \
    
--disable-symver \
    
--enable-protocol=concat \
    
--enable-protocol=file \
    
--enable-muxer=mp4 \
    
--enable-demuxer=mpegts \
    
--enable-memalign-hack \
    
--enable-gpl \
    
--enable-libx264 \
    
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    
--target-os=linux \
    
--arch=arm \
    
--enable-cross-compile \
    
--sysroot=$SYSROOT \
    
--extra-cflags="-Os -fpic -marm $ADDI_CFLAGS" \
    
--extra-ldflags="$ADDI_LDFLAGS" \
    

    
make clean
    
make -j4
    
make install
    
}
    

    
CPU=arm
    
PREFIX=$(pwd)/android/$CPU
    

    
build_one

    when i execute buid_android.sh script without —enable-libx264 \ line everything is going well and i can get .a files on android/arm/ folder. but with this line it fails and show the following error in the console :

    ERROR : libx264 not found

    If you think configure made a mistake, make sure you are using the
    latest version from Git. If the latest version fails, report the
    problem to the ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on
    irc.freenode.net. Include the log file "config.log" produced by
    configure as this will help

    it seems like it can’t find where the libraries are, as i get a lot of the following errors in config.log file :

    "LIBNAME".h : No such file or directory
    newlib.h : No such file or
    directory mingw.h : No such file or directory
    x264.h : No such file or
    directory

    Here is the tail of config.log file :

    check_mathfunc truncf 1
    
check_ld cc
    
check_cc
    
BEGIN /tmp/ffconf.zGKqGin6.c
    
    1   #include 
    
    2   float foo(float f, float g) { return truncf(f); }
    
    3   int main(void){ return (int) foo; }
    
END /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Dstrtod=avpriv_strtod -DPIC -Os -fpic -marm -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -pthread -c -o /tmp/ffconf.8Q9ke3aO.o /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -Wl,--as-needed -o /tmp/ffconf.3sjTkc5z /tmp/ffconf.8Q9ke3aO.o -lm -lz -pthread
    
check_lib x264.h x264_encoder_encode -lx264
    
check_header x264.h
    
check_cpp
    
BEGIN /tmp/ffconf.zGKqGin6.c
    
    1   #include 
    
    2   int x;
    
END /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Dstrtod=avpriv_strtod -DPIC -Os -fpic -marm -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -pthread -E -o /tmp/ffconf.8Q9ke3aO.o /tmp/ffconf.zGKqGin6.c
    
/tmp/ffconf.zGKqGin6.c:1:18: fatal error: x264.h: No such file or directory
    
 #include 
    
                  ^
    
compilation terminated.
    
ERROR: libx264 not found

  • java bufferedimage array data immediately changes

    26 mars 2016, par ken
        import javax.imageio.ImageIO;
    

    
    import org.bytedeco.javacv.FFmpegFrameGrabber;
    

    
    public class FrameData 
    
    {   
    
int count = 0;
    
int picWidth;
    
int picHeight;
    

    
BufferedImage img = null;
    

    
//GET FRAME COUNT
    
public int gf_count(int numofFrames, BufferedImage[] frameArray, String fileLocationsent, String videoNamesent) throws IOException
    
{        
    
    String fileLocation = fileLocationsent;
    
    String videoName = videoNamesent;
    

    
    int frameNums = numofFrames;
    
    int totFrames = 0;
    

    
            FFmpegFrameGrabber grab = new FFmpegFrameGrabber(fileLocation + videoName);
    

    
        try {   grab.start(); } 
    
        catch (Exception e) {   System.out.println("Unable to grab frames");  }
    

    
                    for(int i = 0 ; i < frameNums  ; i++) 
    
        {
    
            try 
    
            {                   
    
                frameArray[i]= grab.grab().getBufferedImage();
    
                totFrames = i;  
    
                File outputfile = new File(fileLocation + "GrayScaledImage" + i + ".jpg");
    
                ImageIO.write(frameArray[i], "jpg", outputfile);
    
            } 
    
            catch (Exception e) {   /*e.printStackTrace();*/    }
    
        }//END for
    

    
                return totFrames;
    

    
    }//END METHOD long getFrameCount()

    Hope someone can explain this to me...
    I am just learning java so here goes...
    I wrote this code to count the number of frames in a .mov file and to test my buffered image array I generated files of the images. As the code is, it works as planned... The problem is immediately after the capturing, if I send the bufferedimages out as files, they all seem to be just the first image. see example below...

        for(int i = 0 ; i < frameNums  ; i++) 
    
        {
    
            try 
    
            {                   
    
                frameArray[i]= grab.grab().getBufferedImage();
    
                totFrames = i;  
    
                File outputfile = new File(fileLocation + "GrayScaledImage" + i + ".jpg");
    
                ImageIO.write(frameArray[i], "jpg", outputfile);
    
            } 
    
            catch (Exception e) {   /*e.printStackTrace();*/    }
    
        }//END for

    And now if I change that to...

        for(int i = 0 ; i < frameNums  ; i++) 
    
        {
    
            try 
    
            {                   
    
                frameArray[i]= grab.grab().getBufferedImage();
    
                totFrames = i;  catch (Exception e) {   /*e.printStackTrace();*/    }}
    
    for(int j = 0; j < frameNums; j++)
    
    {
    
    File outputfile = new File(fileLocation + "GrayScaledImage" + j + ".jpg");
    
                ImageIO.write(frameArray[j], "jpg", outputfile);
    
    }

    I don’t understand why I am getting the same image repeatedly.
    If further information Is required, just lemme know, this is my first programming question online... Usually find what I am looking for that others have asked. Couldn’t find this one.
    Thanks for your time
    Ken

  • Compiling FFmpeg : libx264 not found

    17 mars 2016, par SaidTagnit

    I hope some one helps me the solve this problems. I was trying to compile FFmpeg 2.2.3 library under ubuntu 12.04LTS for android using android ndk r10e by following this tutorials :

    Tutorial1

    Tutorial2

    here is my build_android.sh file :

    #!/bin/bash
    
NDK=/home/rango/Desktop/android-ndk-r10e
    
SYSROOT=$NDK/platforms/android-19/arch-arm/
    
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86
    

    
#ADDI_LDFLAGS="-L /usr/local/lib"
    
#ADDI_CFLAGS="-I /usr/include"
    

    
function build_one
    
{
    
./configure \
    
--prefix=$PREFIX \
    
--enable-shared \
    
--enable-static \
    
--disable-doc \
    
--disable-ffmpeg \
    
--disable-ffplay \
    
--disable-ffprobe \
    
--disable-ffserver \
    
--disable-doc \
    
--disable-symver \
    
--enable-protocol=concat \
    
--enable-protocol=file \
    
--enable-muxer=mp4 \
    
--enable-demuxer=mpegts \
    
--enable-memalign-hack \
    
--enable-gpl \
    
--enable-libx264 \
    
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    
--target-os=linux \
    
--arch=arm \
    
--enable-cross-compile \
    
--sysroot=$SYSROOT \
    
--extra-cflags="-Os -fpic -marm $ADDI_CFLAGS" \
    
--extra-ldflags="$ADDI_LDFLAGS" \
    

    
make clean
    
make -j4
    
make install
    
}
    

    
CPU=arm
    
PREFIX=$(pwd)/android/$CPU
    

    
build_one

    when i execute buid_android.sh script without —enable-libx264 \ line everything is going well and i can get .a files on android/arm/ folder. but with this line it fails and show the following error in the console :

    ERROR : libx264 not found

    If you think configure made a mistake, make sure you are using the
    latest version from Git. If the latest version fails, report the
    problem to the ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on
    irc.freenode.net. Include the log file "config.log" produced by
    configure as this will help

    it seems like it can’t find where the libraries are, as i get a lot of the following errors in config.log file :

    "LIBNAME".h : No such file or directory
    newlib.h : No such file or
    directory mingw.h : No such file or directory
    x264.h : No such file or
    directory

    Here is the tail of config.log file :

    check_mathfunc truncf 1
    
check_ld cc
    
check_cc
    
BEGIN /tmp/ffconf.zGKqGin6.c
    
    1   #include 
    
    2   float foo(float f, float g) { return truncf(f); }
    
    3   int main(void){ return (int) foo; }
    
END /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Dstrtod=avpriv_strtod -DPIC -Os -fpic -marm -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -pthread -c -o /tmp/ffconf.8Q9ke3aO.o /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -Wl,--as-needed -o /tmp/ffconf.3sjTkc5z /tmp/ffconf.8Q9ke3aO.o -lm -lz -pthread
    
check_lib x264.h x264_encoder_encode -lx264
    
check_header x264.h
    
check_cpp
    
BEGIN /tmp/ffconf.zGKqGin6.c
    
    1   #include 
    
    2   int x;
    
END /tmp/ffconf.zGKqGin6.c
    
/home/rango/Desktop/android-ndk-r10e/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc --sysroot=/home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -isysroot /home/rango/Desktop/android-ndk-r10e/platforms/android-19/arch-arm/ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Dstrtod=avpriv_strtod -DPIC -Os -fpic -marm -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -pthread -E -o /tmp/ffconf.8Q9ke3aO.o /tmp/ffconf.zGKqGin6.c
    
/tmp/ffconf.zGKqGin6.c:1:18: fatal error: x264.h: No such file or directory
    
 #include 
    
                  ^
    
compilation terminated.
    
ERROR: libx264 not found

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