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• Truly live streaming to Android/iPhone

  4 juillet 2012, par Tsaukpaetra

  I have spent quite a while (past week) trying this to little avail. However, what I want seems completely unheard of. So far, I have reviewed recommendations available through google, which include encoding a static file into multiple static files in different formats, creating a playlist that hosts static files in an m3u8 file (files which get added to the playlist as streaming continues).
  I have also seen ideas involving rtmp, rtsp etc which are completely out of the question because of their incompatibility.
  Ideally, I would have one webpage that would link to the stream (http://server/video.mp4) and/or show it in a webpage (via the video tag). With that in mind, the most likely format would be h264+aac in mp4 container.

  Unfortunately, (and probably because the file has no duration metadata) it does not work. I can use a desktop player (such as VLC) to open the stream and play it, but my iPhone and Android both give their respective "Can't be played" messages.

  I don't think the problem is caused by the devices' ability to stream, for I have made a streaming shoutcast server work just fine (mp3 only).

  Currently, the closest I have become is using the following setup on my win32 machine :

  FFMPEG Command: : ffmpeg -f dshow -i video="Logitech Webcam 200":audio="Microphone (Webcam 200)" -b:v 180k -bt 240k -vcodec libx264 -tune zerolatency -profile:v baseline -preset ultrafast -r 10 -strict -2 -acodec aac -ac 2 -ar 48000 -ab 32k -f flv "udp ://127.0.0.1:1234"

  VLC: : Stream from udp ://127.0.0.1:1234 to http:// :8080/video.mp4 (No Transcoding), basically just to convert the UDP stream into an http-accessible stream.

  Any hints or suggestions would be warmly welcomed !

• How to get rid of iPhone pointer uint8_t warning ?

  18 décembre 2012, par Winston

  I'm using FFMPeg on my iPhone project, but I'm getting a warning when using AVFrame *pFrame, like this :

  AVFrame *pFrame
  
  uint8_t *data[AV_NUM_DATA_POINTERS];
  
  
  
  ...
  
  
  
  pFrame->data

  This is the warning I'm getting :

  Passing 'uint8_t *[8]' to parameter of type 'const uint8_t *const *' (aka 'const unsigned char *const *') discards qualifiers in nested pointer types

  How do I get rid of this warning ?

  Thank you !

• PJSIP with SDL and FFMPEG for iPhone [closed]

  14 décembre 2012, par John Qualis

  Has anyone been able to compile PJSIP with SDL and FFMPEG support for iOS ?