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Sur d’autres sites (5257)

  • What video rendering technology is used in this type of online video synthesis platform, like lightmv,chuanying520,aimeike,hunliji？ [on hold]

    15 octobre 2019, par 崇山峻岭

    What video rendering technology is used in this type of online video synthesis platform, like :

    https://lightmv.cn/ 
    
https://www.chuanying520.com/  
    
https://aimeike.tv/  
    
https://www.hunliji.com/mv/  
    
http://www.yingdashi.cn/marriage123

  • create mp4 video for play online by ffmpeg widthout preload

    14 mai 2014, par Hamid Tanhaei

    i using ffmpeg to create a streamable mp4 video file for play online. but converted video try to load 3 - 4 MB data of video at start. then video can be play and seekable.

    i try to remove start load data by different ffmpeg commands. but each commands had problems.

    my first command(load 3-4 MB data of video at start and seekable) :

    ffmpeg -i file.mkv -movflags faststart -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 1.mp4

    and other commands(removed 3-4 MB load data at start and NOT seekable) :

    ffmpeg -i CloudywithaChanceofMeatballs.mkv -movflags faststart -frag_size 1024 -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 1.mp4
    
ffmpeg -i DespicableMe2MiniMovie.mkv -movflags faststart -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4
    
ffmpeg -i DespicableMe2MiniMovie.mkv -movflags faststart -frag_size 10240 -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4
    
ffmpeg -i DespicableMe2MiniMovie.mkv -movflags faststart -frag_duration 2000 -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4
    
ffmpeg -i CloudywithaChanceofMeatballs.mkv -movflags faststart -frag_duration 2000 -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4
    
ffmpeg -i CloudywithaChanceofMeatballs.mkv -movflags frag_keyframe+empty_moov -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4
    
ffmpeg -i CloudywithaChanceofMeatballs.mkv -g 52 -movflags frag_keyframe+empty_moov -s 500x268 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" -b:v 100k -b:a 45k 2.mp4

    i used this command too(it load 3-4 MB data of video at start and seekable like first code by ffmpeg) :

    MP4Box -add video.mp4 videos.mp4
    
MP4Box -inter 500 video.mp4

    my video file duration is : 1h 34min and converted size is 100MB

  • FFMPEG Online Redistribution in IIS Server Streaming Onvif IP Camera

    23 avril 2015, par Benny Chen

    I’m very new with ffmpeg. Consider the following case :

    I have several onvif ip camera connected to the network with an IIS server inside it. I’d like to allow client to streaming to any of ip camera inside the network but it must through the IIS server.

    So basically each of ip camera will stream to IIS server in single stream and IIS server will re-distribute to many client who request it. My question is how to setup iis server to works with this scenario ? And an example of ffmpeg command line to read from rtsp ip camera and send it the iis server which will re-distribute it to client.

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