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• How to stream live from iphone camera to server using rtsp ?

  12 septembre 2014, par Vishal Gupta

  I am using AVCaptureSession to record a video and audio of user. I am getting real time video and audio streams independently. I am able to encode them using h264 encoder and aac encoder respectively. Now I am not getting how to multiplexing them both and make a stream ? How to send them to specific server url which is protected by userName and Password ? If it can be done using RTMP also then also it’s fine.

  I have taken a reference from here ! But I am not getting much out from this.

  Is there any RTSP library project which can help me ?

  I have been struggling in it from a long.

  Is there any solution to my problem ?

  Thanks in advance.

• FFMPEG realtime streaming using a remote m3u8

  8 avril 2016, par JJ The Second

  Good morning chaps,

  I’ve been doing a long term research to do DRM solution for my client and we are almost there, here is what we’d like to achieve and please accept my lack of understanding, Im well new to FFMPEG and there are so many questions already asked but I’m not sure if they cover my questions.

  Objectives :

  1- To record and stream (real-time) m3u8 from a remote server : We have access to more than 3000 HLS streams (b2b project) therefore we would need to record and stream m3u8 in real-time. Currently I am able to record to mp4 or mkv but don’t understand how to stream real time

  2- Stream using HL264 : We would need to make sure streams play on all devices, based on my understanding this is the correct format to use, is this correct, more than happy to hear your comments

  3- Delivery to be in 3 different resolutions, HD, 488 and 380 : This is all about sizes, it is unlikely that my users would stream using mobile devices (GA says only 32000 using mobile) but still I need to make sure there are no restrictions to users

  Questions :

  1- I’ve seen lots of tutorials with regards to recording m3u8, converting to mp4 or .ts files, so I’m not sure how this works, do I need to export my recording to .ts files and merge them again ? If this is the case, isn’t this going to have delay in streaming ?

  2- By doing this, am I using my bandwidth or source of m3u8 ?

  3- If converting to .ts then would you please let me know how I can achieve this ?

  Please note, my recording are (for now) all m3u8 and I need to stream as m3u8 at the same time.

  I have latest version of FFMPEG installed on Ubuntu 14.4 TLS

  Thank you all in advance and happy Friday !

• Using Xuggler to detect Webcam with Java

  18 octobre 2012, par Oneiros

  I'm trying to use Xuggler library to handle webcam video stream in Java.

  My project contains these files :
  

  • Xuggler Jar (xuggle-xuggler-5.4.jar)
  • SLF4J Jars (required by Xuggler and downloadable here) :
    • jcl-over-slf4j-1.6.4.jar
    • jul-to-slf4j-1.6.4.jar
    • log4j-over-slf4j-1.6.4.jar
    • slf4j-api-1.6.4.jar
    • slf4j-ext-1.6.4.jar
    • slf4j-migrator-1.6.4.jar
    • slf4j-simple-1.6.4.jar
  • DisplayWebcamVideo.java as main class

  I run the main method using "vfwcap" and "0" as arguments.
  Application starts correctly, i can see myself from the webcam but it's just the first frame : the stream freezes and i see this output :

  5022 [Thread-3] ERROR org.ffmpeg - [vfwcap @ 000000000039A320] real-time buffer 75% full! frame dropped!

  5622 [Thread-3] ERROR org.ffmpeg - [vfwcap @ 000000000039A320] real-time buffer 85% full! frame dropped!

  6522 [Thread-3] ERROR org.ffmpeg - [vfwcap @ 000000000039A320] real-time buffer 95% full! frame dropped!

  6822 [Thread-3] ERROR org.ffmpeg - [vfwcap @ 000000000039A320] real-time buffer 101% full! frame dropped!

  6822 [Thread-3] ERROR org.ffmpeg - [vfwcap @ 000000000039A320] real-time buffer 101% full! frame dropped!

  What's the problem here ? :(