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  • MediaSPIP 0.1 Beta version

    25 April 2011, by

    MediaSPIP 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 (...)

  • MediaSPIP version 0.1 Beta

    16 April 2011, by

    MediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Pour avoir une installation fonctionnelle, 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 (...)

  • Amélioration de la version de base

    13 September 2013

    Jolie 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 (...)

On other websites (9858)

  • mp4 video file generated using ffmpeg, play on desktop but doesn't play on device

    9 May 2014, by Nikesh

    I am generating a video that converts images into .mp4 video file. Every thing works fine. File is also generated as mp4 but the file doesn’t run on android device, says cannot play video.

    Please find the attached sample code which convert single jpeg file into video (.mp4)

    Please help me to resolve this issue. Thanks.

    JNIEXPORT void JNICALL Java_roman10_ffmpegtst_VideoBrowser_videoExample(JNIEnv *pEnv, jobject pObj, char* imagefile,char* videoFile)
    
{
    
avcodec_init();
    
av_register_all();
    
avcodec_register_all();
    

    
AVCodecContext          *pOCtx= NULL;
    
AVCodec                 *pOCodex = NULL;
    
LOGE(10,"Start videoExample");
    
pOCodex = avcodec_find_encoder(AV_CODEC_ID_MPEG1VIDEO);
    

    
if (!pOCodex) {
    
    LOGE(10,"Cannot find encoder %s", pOCodex);
    
    exit(1);
    
}
    

    
pOCtx= avcodec_alloc_context3(pOCodex);
    

    
uint8_t *outbuf;
    
int i, out_size;
    

    
pOCtx->bit_rate = 400000;
    
pOCtx->width = 640;
    
pOCtx->height = 480;
    
AVRational rational = {1,25};
    
pOCtx->time_base= rational;
    
pOCtx->gop_size = 10; /* emit one intra frame every ten frames */
    
pOCtx->max_b_frames=1;
    
pOCtx->pix_fmt = AV_PIX_FMT_YUV420P;
    

    
LOGE(10,"Start avcodec_open2");
    
int ret = avcodec_open2(pOCtx,pOCodex,NULL);
    
if(ret < 0)
    
{
    
     return;
    
}
    
LOGE(10,"End avcodec_open2");
    
AVFormatContext         *pIFormatCtx = NULL;
    
 ret = avformat_open_input(&pIFormatCtx, imagefile, NULL, NULL);
    
if(ret < 0)
    
{
    
    //Cant't open jpg file
    
    return;
    
}
    
av_dump_format(pIFormatCtx, 0, imagefile, 0);
    

    
AVCodecContext          *pICodecCtx;  //output codec context
    
pICodecCtx = pIFormatCtx->streams[0]->codec;
    
/*pICodecCtx->width = 640;
    
pICodecCtx->height = 480;
    
pICodecCtx->pix_fmt = PIX_FMT_YUV420P;*/
    

    

    
AVCodec *pICodec = avcodec_find_decoder(pICodecCtx->codec_id); //output codec
    
 // Open codec
    
ret = avcodec_open2(pICodecCtx, pICodec,NULL);
    
if(ret < 0)
    
{
    
    //Can't find the decoder
    
    return;
    
}
    

    
AVFrame *pIFrame = avcodec_alloc_frame();
    
if (!pIFrame)
    
{
    
    //Can't alloc the input frame
    
    return ;
    
}
    

    

    
int bufSize = avpicture_get_size(AV_PIX_FMT_YUVJ420P, pICodecCtx->width, pICodecCtx->height);
    
uint8_t *buffer = (uint8_t *) av_malloc(bufSize * sizeof(uint8_t));
    

    
avpicture_fill((AVPicture *) pIFrame, buffer, AV_PIX_FMT_YUVJ420P, pICodecCtx->width, pICodecCtx->height);
    

    
FILE *outputFile;
    

    
outputFile = fopen(videoFile, "w+");
    
if (!outputFile) {
    
    LOGE(10,"could not open ");
    
    exit(1);
    
}
    

    
int outbuf_size = 100000;
    
outbuf = (uint8_t*)malloc(outbuf_size);
    

    
AVPacket packet;
    
int frameFinished;
    
int framesNumber = 0;
    
while (av_read_frame(pIFormatCtx, &packet) >= 0)
    
{
    
    if(packet.stream_index != 0)
    
        continue;
    

    
    ret = avcodec_decode_video2(pICodecCtx, pIFrame, &frameFinished, &packet);
    
    if (ret > 0)
    
    {
    
        pIFrame->quality = 4;
    

    
        for(i=0;i<25;i++) {
    
            fflush(stdout);
    
            /* encode the image */
    
            out_size = avcodec_encode_video(pOCtx, outbuf, outbuf_size, pIFrame);
    
            fwrite(outbuf, 1, out_size, outputFile);
    
        }
    
    }
    
}
    

    
/* get the delayed frames */
    
for(; out_size; i++) {
    
    fflush(stdout);
    
    out_size = avcodec_encode_video(pOCtx, outbuf, outbuf_size, NULL);
    
    fwrite(outbuf, 1, out_size, outputFile);
    
}
    

    
/* add sequence end code to have a real mpeg file */
    
outbuf[0] = 0x00;
    
outbuf[1] = 0x00;
    
outbuf[2] = 0x01;
    
outbuf[3] = 0xb7;
    
fwrite(outbuf, 1, 4, outputFile);
    
fclose(outputFile);
    
free(outbuf);
    

    
avcodec_close(pOCtx);
    
av_free(pOCtx);
    
av_free(pIFrame);
    
}

  • Android HLS plays first segment then only audio

    1 December 2014, by Chris Recalis

    I’m having difficulty playing HLS on Android where only the audio is playing. The stream will play for the first video segment and then turn into an audio only stream. Here is a sample link https://clipter.com/c/aymels8/hls.m3u8

    hls.m3u8

    #EXTM3U
    
#EXT-X-VERSION:3
    
#EXT-X-PLAYLIST-TYPE:VOD
    
#EXT-X-TARGETDURATION:9
    
#EXT-X-ALLOW-CACHE:YES
    
#EXTINF:8.5,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/2103cb31c3078eb5edd5c325108f6d6f.ts?1416176849
    
#EXTINF:7.33,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/1214ef63a031e3d3229893fdb60eea86.ts?1416176848
    
#EXTINF:8.5,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/99c47c49548521b0fff05119a5c63908.ts?1416176889
    
#EXTINF:8.43,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/143acefc2149f2572ddcc08abb705736.ts?1416176988
    
#EXTINF:4.43,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/11c92b5084971e0cf4768f958e97f936.ts?1416177431
    
#EXTINF:6.9,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/10ab810169fb684469f736a53f2cba3a.ts?1416177545
    
#EXTINF:8.57,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/88b037af27757e4805d7f1ed0496cbb8.ts?1416178434
    
#EXTINF:2.1,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/4a8cda13ea40228de4638dee9985b8b0.ts?1416178513
    
#EXTINF:8.47,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/e6fa0135987c86d323f1e994bcd2b429.ts?1416179772
    
#EXTINF:8.38,
    
https://d3ilpkc014v0xn.cloudfront.net/f5305de24/9a08aba19b45601c83854216bb07a6b6.ts?1416604373
    
#EXT-X-ENDLIST

    output from ffprobe

    ffprobe version 2.3.3 Copyright (c) 2007-2014 the FFmpeg developers
    
  built on Aug 25 2014 19:47:15 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.3.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    
  libavutil      52. 92.100 / 52. 92.100
    
  libavcodec     55. 69.100 / 55. 69.100
    
  libavformat    55. 48.100 / 55. 48.100
    
  libavdevice    55. 13.102 / 55. 13.102
    
  libavfilter     4. 11.100 /  4. 11.100
    
  libavresample   1.  3.  0 /  1.  3.  0
    
  libswscale      2.  6.100 /  2.  6.100
    
  libswresample   0. 19.100 /  0. 19.100
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, mpegts, from '2103cb31c3078eb5edd5c325108f6d6f.ts?1416176849':
    
  Duration: 00:00:08.53, start: 1.400000, bitrate: 1236 kb/s
    
  Program 1 
    
    Metadata:
    
      service_name    : Service01
    
      service_provider: FFmpeg
    
    Stream #0:0[0x100]: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 480x480, 30 fps, 30 tbr, 90k tbn, 60 tbc
    
    Stream #0:1[0x101](und): Audio: aac ([15][0][0][0] / 0x000F), 44100 Hz, mono, fltp, 67 kb/s

  • mp4 video file generated using ffmpeg, works on desktop but doesn't work on android emulator

    8 May 2014, by Nikesh

    I am generating a video that converts images into .mp4 video file. Every thing works fine. File is also generated as mp4 but the file doesn’t run on android device, says cannot play video.

    Please find the attached sample code which convert single jpeg file into video (.mp4)

    Please help me to resolve this issue. Thanks.

    JNIEXPORT void JNICALL Java_roman10_ffmpegtst_VideoBrowser_videoExample(JNIEnv *pEnv, jobject pObj, char* imagefile,char* videoFile)
    
{
    
avcodec_init();
    
av_register_all();
    
avcodec_register_all();
    

    
AVCodecContext          *pOCtx= NULL;
    
AVCodec                 *pOCodex = NULL;
    
LOGE(10,"Start videoExample");
    
pOCodex = avcodec_find_encoder(AV_CODEC_ID_MPEG1VIDEO);
    

    
if (!pOCodex) {
    
    LOGE(10,"Cannot find encoder %s", pOCodex);
    
    exit(1);
    
}
    

    
pOCtx= avcodec_alloc_context3(pOCodex);
    

    
uint8_t *outbuf;
    
int i, out_size;
    

    
pOCtx->bit_rate = 400000;
    
pOCtx->width = 640;
    
pOCtx->height = 480;
    
AVRational rational = {1,25};
    
pOCtx->time_base= rational;
    
pOCtx->gop_size = 10; /* emit one intra frame every ten frames */
    
pOCtx->max_b_frames=1;
    
pOCtx->pix_fmt = AV_PIX_FMT_YUV420P;
    

    
LOGE(10,"Start avcodec_open2");
    
int ret = avcodec_open2(pOCtx,pOCodex,NULL);
    
if(ret < 0)
    
{
    
     return;
    
}
    
LOGE(10,"End avcodec_open2");
    
AVFormatContext         *pIFormatCtx = NULL;
    
 ret = avformat_open_input(&pIFormatCtx, imagefile, NULL, NULL);
    
if(ret < 0)
    
{
    
    //Cant't open jpg file
    
    return;
    
}
    
av_dump_format(pIFormatCtx, 0, imagefile, 0);
    

    
AVCodecContext          *pICodecCtx;  //output codec context
    
pICodecCtx = pIFormatCtx->streams[0]->codec;
    
/*pICodecCtx->width = 640;
    
pICodecCtx->height = 480;
    
pICodecCtx->pix_fmt = PIX_FMT_YUV420P;*/
    

    

    
AVCodec *pICodec = avcodec_find_decoder(pICodecCtx->codec_id); //output codec
    
 // Open codec
    
ret = avcodec_open2(pICodecCtx, pICodec,NULL);
    
if(ret < 0)
    
{
    
    //Can't find the decoder
    
    return;
    
}
    

    
AVFrame *pIFrame = avcodec_alloc_frame();
    
if (!pIFrame)
    
{
    
    //Can't alloc the input frame
    
    return ;
    
}
    

    

    
int bufSize = avpicture_get_size(AV_PIX_FMT_YUVJ420P, pICodecCtx->width, pICodecCtx->height);
    
uint8_t *buffer = (uint8_t *) av_malloc(bufSize * sizeof(uint8_t));
    

    
avpicture_fill((AVPicture *) pIFrame, buffer, AV_PIX_FMT_YUVJ420P, pICodecCtx->width, pICodecCtx->height);
    

    
FILE *outputFile;
    

    
outputFile = fopen(videoFile, "w+");
    
if (!outputFile) {
    
    LOGE(10,"could not open ");
    
    exit(1);
    
}
    

    
int outbuf_size = 100000;
    
outbuf = (uint8_t*)malloc(outbuf_size);
    

    
AVPacket packet;
    
int frameFinished;
    
int framesNumber = 0;
    
while (av_read_frame(pIFormatCtx, &packet) >= 0)
    
{
    
    if(packet.stream_index != 0)
    
        continue;
    

    
    ret = avcodec_decode_video2(pICodecCtx, pIFrame, &frameFinished, &packet);
    
    if (ret > 0)
    
    {
    
        pIFrame->quality = 4;
    

    
        for(i=0;i<25;i++) {
    
            fflush(stdout);
    
            /* encode the image */
    
            out_size = avcodec_encode_video(pOCtx, outbuf, outbuf_size, pIFrame);
    
            fwrite(outbuf, 1, out_size, outputFile);
    
        }
    
    }
    
}
    

    
/* get the delayed frames */
    
for(; out_size; i++) {
    
    fflush(stdout);
    
    out_size = avcodec_encode_video(pOCtx, outbuf, outbuf_size, NULL);
    
    fwrite(outbuf, 1, out_size, outputFile);
    
}
    

    
/* add sequence end code to have a real mpeg file */
    
outbuf[0] = 0x00;
    
outbuf[1] = 0x00;
    
outbuf[2] = 0x01;
    
outbuf[3] = 0xb7;
    
fwrite(outbuf, 1, 4, outputFile);
    
fclose(outputFile);
    
free(outbuf);
    

    
avcodec_close(pOCtx);
    
av_free(pOCtx);
    
av_free(pIFrame);
    
}

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