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• What are some NPAPI video plugin alternatives for Chrome ?

  14 janvier 2014, par ElHaix

  Was : "PPAPI (Pepper) video plugin -NaCl module failed - how to resolve ?"

  Google's Say Goodbye to Our Old Friend NPAPI blog post indicates that NPAPI plugin support will cease by the end of 2014 (in favor of PPAPI).

  We have considered the option of using the ffmpeg libraries to create our own video plugin to simply decode RTSP encoded H.264 video streams on the client - important because we need as near real-time video display (avoiding transcoding latency). Using the ffmpeg libraries, there is still a 3-5 second delay in decoding the stream, not as fast as running MPlayer with the -benchmark option.

  In trying Google's PNaCl recommendation, we just got the LOADING status and the following error :

  NativeClient : NaCl module load failed : PnaclCoordinator : Compile
  process could not be created : ServiceRuntime : failed to start

  We don't need an encoder, simply decoding the incoming stream to images would be fine - or other suggestions ?

  What are some NPAPI alternatives to solve this problem ?

• How can you get a webm file without headers to play video and audio ?

  31 août 2023, par John

  Right now I have webm files that are missing the header information so they don't play. How can I fix them so that they play ? My only hack is to get a small webm file with header information and prepend the file, then encode to mp4 and mp3.

  


  ffmpeg -i input.webm output.mp4
[matroska,webm @ 0x13481be00] Format matroska,webm detected only with low score of 1, misdetection possible!
[matroska,webm @ 0x13481be00] EBML header parsing failed
kyle.webm: Invalid data found when processing input


  


  Example file : https://drive.google.com/file/d/1j21wxHyQimMorWU99MJx—4YhgSimkp7/view?usp=share_link

  


• Add different animation for different frame in video using ffmpeg android

  5 mars 2017, par Sachin Suthar

  I am trying to apply animations for the particular video frame but hereby I’m not seeing that video frame by which I have to apply the animation. I only need fade in and fade out frame and display it as slide show video. Do you have any idea about this ?

  for ex : I want to create an application like this one : https://play.google.com/store/apps/details?id=com.scoompa.slideshow

  I am using the same command which was given to this url but for the particular 5 second video hide and not getting slide show effect.