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• How to extract orientation information from MOV videos created on the iPhone using ffmeg, ruby or objectivec ?

  5 octobre 2014, par Sid

  After surfing through tons of documentation on the web it seems that the iPhone always shoots the video at a 480x360 aspect ratio and applies a transformation matrix on the video track. (480x360 may change but its always the same for a given device)

  Here is a way of modifying the ffmpeg source within a iOS project and accessing the matrix http://www.seqoy.com/correct-orientation-for-iphone-recorded-movies-with-ffmpeg/

  Here is a cleaner way of finding the transformation matrix in iOS-4
  how to detect (iphone sdk) if a video file was recorded in portrait orientation, or landscape

  How can the orientation of the video be extracted in either of the options below -
  
   iOS 3.2
  
   ffmpeg (through the command line server side)
  
   ruby
  

  Any help will be appreciated.

• FLV Streaming on iPhone with ffmpeg

  11 février 2014, par Sylter

  Good Morning,
  I am an iOS/Mac Developer.

  I am developing an application that grab flv link from a website : now I want to play this flv file in streaming.

  I find in AppStore BUZZPlayer, an application that can play flv video streaming : http://itunes.apple.com/it/app/buzz-player/id389744738?mt=8

  Searching on Google I find out that exists ffmpeg for iPhone, so, my question is how can I stream a FLV Video with ffmpeg on iPhone ?

  A sample code is very appreciated !

  Thank You.

  P.S. Sorry for my poor English...

• ffmpeg paly sound on iphone [closed]

  7 septembre 2011, par The Psicopath

  someone help me to play audio on iphone using the ffmpeg (libavcodec libavdevice ibavformat libavutil libswscale ) ??
  because in the iFrameExtractor there aren't examples to play sound !
  Thanks