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  • Encodage et transformation en formats lisibles sur Internet

    10 avril 2011

    MediaSPIP transforme et ré-encode les documents mis en ligne afin de les rendre lisibles sur Internet et automatiquement utilisables sans intervention du créateur de contenu.
    Les vidéos sont automatiquement encodées dans les formats supportés par HTML5 : MP4, Ogv et WebM. La version "MP4" est également utilisée pour le lecteur flash de secours nécessaire aux anciens navigateurs.
    Les documents audios sont également ré-encodés dans les deux formats utilisables par HTML5 :MP3 et Ogg. La version "MP3" (...)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • 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 (...)

Sur d’autres sites (8031)

  • FFmpeg Slideshow + Audio + Watermark + Maintain Aspect Ratio

    16 janvier 2016, par Pamela

    I’m trying to make a slideshow from some pictures along with an existing mp3 (copied). Picture dimensions differ, but I want the video output to be 16:9 aspect ratio and 3840x2160. I also want a watermark. It is important that pictures are not stretched.

    I tried this code...

    ffmpeg -y -framerate 1/1.5 -i "pics/%03d.jpg" -i audio.mp3 -c:v libx264 -r 24 -preset veryfast -tune stillimage -c:a copy -pix_fmt yuv420p -aspect 16:9 -filter_complex "scale=iw*min(3840/iw\,2160/ih):ih*min(3840/iw\,2160/ih),pad=3840:2160:(3840-iw)/2:(2160-ih)/2, movie=watermark.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]" vid.mkv

    But it is giving me this error :

    [AVFilterGraph @ 0x2d21480] Too many inputs specified for the "movie"
    filter. Error initializing complex filters. Invalid argument

    I am able to successfully make a slideshow with pictures, audio, and watermark ; however, I am unable to factor in the aspect ratio without having pictures getting stretched.

    If it makes a difference, the output video will be uploaded to YouTube.

  • FFMPEG on android giving corrupted MP4 from captured photos.

    5 août 2015, par qstra

    im using this project :
    https://github.com/hiteshsondhi88/ffmpeg-android-java

    To convert set of images (1img.jpg, 2img.jpg etc.) to mp4 movie, from my test folder to emulated/0/

    I have app that taking pics every X seconds to that test folder, the output file has always sobie MBs so it isnt empty, tell my what part of code You want or what files i have to give You.

    Im beeging for help ! :)

    This is my command :

        public void onClick(View v) {
    
    switch (v.getId()) {
    
        case R.id.run_command:
    

    

    
            String cmd = "-y -framerate 1 -i /sdcard/test/%dimg.jpg /sdcard/a.mp4";
    

    
           // String cmd = commandEditText.getText().toString();
    
            String[] command = cmd.split(" ");
    
            if (command.length != 0) {
    
                execFFmpegBinary(command);
    
            } else {
    
                Toast.makeText(Home.this, getString(R.string.empty_command_toast), Toast.LENGTH_LONG).show();
    
            }
    
            break;
    
    }
    
}

    I want to add, that if im get some images from google its working, but not working on capptured photos from phone.

  • avformat/aiffenc : Don't forget chapters

    19 mai 2020, par Andreas Rheinhardt
    avformat/aiffenc : Don't forget chapters

    If the write_id3v2 option is set, the aiff muxer would write id3v2 tags
    
if there is global metadata or if there are attached pics to write.
    
Chapters are ignored in this check that precedes writing id3v2 tags.
    
Yet 47ac344970f1d6ef149c4b8a883b68cdb15112c2 added support for writing
    
chapters as id3v2 tags, so one should check for the existence of chapters,
    
too ; otherwise the chapters would only be written in case there is
    
global metadata or an attached pic.
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
    • [DH] libavformat/aiffenc.c

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