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RFC3711, libsrtp and srtp_kdf_generate
https://github.com/cisco/libsrtp - in srtp.c we have a method:
static srtp_err_status_t srtp_kdf_generate(srtp_kdf_t *kdf, srtp_prf_label label, uint8_t *key, ...
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1
answer
76
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How to merge a RTCP.REMP feedback packets in a SFU?
How should handle a SFU receiving REMB packets? For example I have 10 participants that send a camera video in a conference. Every participant receives all video streams.
Should I forward the reduced ...
1
vote
1
answer
372
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Unknown reason of receiving empty audio stream using `wrtc` RTCAudioSink
I work on POC project that should receive a remote audio stream and write it in to the file. I can subscribe on the data event using wrtc RTCAudioSink but each recieved chunk is:
ArrayBuffer { [...
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1
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167
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Meaning of extra bytes after RTCP Receive Report packet?
If I receive a RTCP.RR packet (Receive Report) from Chrome in my SFU then there are additional 14 bytes after the packet. For example:
[-128, 0, 8, 87, -5, -2, -10, 113, -74, -9, -2, 110, -83, 92]
The ...
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1
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136
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How to merge a RTCP Receive Report in a SFU?
If I have a SFU that transfer a media track to 10 clients and now I receive from all the 10 clients a RTCP.RR packet (receiver report). What should I send to the sender of the media track.
Should I ...
2
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1
answer
170
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Why source device send RTCP packet to remote UDP port 0?
I'm trying to cast Windows 10 computer screen to an Android TV with miracast protocol and support RTCP extension.
I follow the specification [MS-WFDPE]: Wi-Fi Display Protocol Extension, see chapter 2....
1
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2
answers
756
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NTP Timestamp in RTCP Sender Report is Incorrect
I'm using Amazon's sample code to upload a rtsp stream from an IP camera to Kinesis video streams. Code found here: https://github.com/awslabs/amazon-kinesis-video-streams-producer-sdk-cpp/blob/master/...
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1
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2k
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RTP timestamp in data packets vs RTCP SR packets
I'm trying to understand the difference between the RTP timestamp as it occurs in RTP data packets vs as it is used in RTCP Sender Report (SR) packets.
For the RTP timestamp in data packets I have ...
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2
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4k
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how to calculate Delay in RTP packets using RTP time and NTP time from RTCP
I am sending a video stream from the browser to gstreamer using webrtc. I can get the RTP time of the packets and NTP time from RTCP SR packets in gstreamer. At receiver At receiver I want to ...
1
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0
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191
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Stream OWT app not streaming after IOS update to 14.7.1
I have video stream app based on OWT framework / Swift. It works fine (IOS 14.4 - 14.6 for sure) but after update IOS to 14.7.1 I have many strange messages in debug console and app stop sending ...
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1
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162
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RTP/RTCP Question Regarding Encryption in DES-CBC Mode
I have been working to create an RTP/RTCP client and server implementation as a project. I have hit a block when it comes to parsing incoming packets because I am having trouble understanding the ...
2
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1
answer
700
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android RTP/RTCP java based implementation
I've been searching for any java based RTP/RTCP library to be used in an android application but couldn't find any yet. As mentioned in this answer, this library doesn't provide access to RR/SR ...
1
vote
1
answer
508
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Doubts regarding RTP/RTCP protocol
RFC tutorial on RTP / RTCP protocol seems very confusing to me. I cannot find any state transition diagram for this protocol like this.
It doesn't clear the difference between NTP and RTP Timestamp. ...
1
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1
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815
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webRTC How to force PLI packet sent from javascript web app client?
I am streaming webRTC from a server to a web client successfully using code adapted from this jsfiddle:
https://jsfiddle.net/z7ms3u5r/
I need the javascript client to send Picture Loss Indicator (...
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2
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2k
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Using libVLCsharp to stream pw protected IP Camera Video but video not playing
I am trying to construct a UI for Onvif complaint devices. I've been beating my head against the wall for sometime now. I believe I have the custom URI correctly constructed. According to the ONVIF ...