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• Live Smooth Streaming in IIS from webcam using FFMPEG

  13 mai 2016, par tearvisus

  I’m trying to do a live stream of video captured by my webcam and host it on IIS using Live Smooth Streaming. Here are the steps I’m taking :

  1. In the IIS manager’s MIME Types add a new extension : .isml with type : application/atom+xml
  2. In the IIS manager add a publishing point (filename : myStream.isml).
  3. Start the publishing point.
  4. Run the following command :

  ffmpeg -hide_banner -y -f dshow -rtbufsize 100000k -i video="Lenovo EasyCamera":audio="Microphone (Realtek High Definition Audio)" -movflags isml+frag_keyframe -s 854x480 -f ismv http://localhost/myStream.isml/Stream(video)

  5. Play the stream from the location http://localhost/myStream.isml/manifest using VLC.

  The problem is that the playback stops a few seconds before the moment in which I opened the stream with VLC. If I reopen the stream again, it will play from around the moment the first playback stopped to the moment the second playback started.

  What I’m trying to achieve is to make the clients see the video from the moment they open the stream to the moment they disconnect. A delay up to a few seconds is acceptable. Obviously, the playback should not end regardless of the connection moment.

  How can I do this ? Should I change something in the FFMPEG’s command or in the IIS ?

  Note : A solution using tools other than FFMPEG is acceptable, as long as they are free (as in beer).

  EDIT : Changed the description of problematic playback.

• Revision 30246 : Corrections de grosses boulettes sql Correction d’une boulette dans la ...

  27 juillet 2009, par kent1@… — Log

  Corrections de grosses boulettes sql
  Correction d’une boulette dans la déclaration des champs
  On ne permet la demande de réencodage que depuis le document original sinon vive ma perte de qualité
  On affiche un message indiquant que c’est une version encodée issue d’un autre document s’il y a lieu de le faire
  On encode les sons dorénavant

• avutil/dovi_meta : add dolby vision extension blocks

  23 mars 2024, par Niklas Haas

  avutil/dovi_meta : add dolby vision extension blocks
  As well as accessors plus a function for allocating this struct with
  
  extension blocks,
  Definitions generously taken from quietvoid/dovi_tool, which is
  
  assembled as a collection of various patent fragments, as well as output
  
  by the official Dolby Vision bitstream verifier tool.
  

  • [DH] doc/APIchanges
  • [DH] libavutil/dovi_meta.c
  • [DH] libavutil/dovi_meta.h
  • [DH] libavutil/version.h