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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: This patch series adds support for WHIP and WHEP (WebRTC-HTTP ingestion protocol and WebRTC-HTTP egress protocol). It supersedes the previous patch series for WHIP. The WHIP and WHEP are defined in the following draft RFCs: - WHIP: https://datatracker.ietf.org/doc/draft-ietf-wish-whip - WHEP: https://datatracker.ietf.org/doc/draft-murillo-whep/ The implementation builds on FFmpeg's existing RTP, HTTP and SDP support as well as libdatachannel for the rest. This library is much more lightweight than other libraries (e.g. libwebrtc). At the same time, using this library avoids reimplementing parts of WebRTC in FFmpeg. This patch series was tested with WebRTC servers Dolby.io (formerly Millicast) and SRS (https://github.com/ossrs/srs). Using a local server, an end-to-end latency of 3 frames (50 ms at 60 fps) was measured with video-only output, and 12 frames (200 ms at 60 fps) with audio and video output. Using a DeckLink input device, an end-to-end latency of about 4 frames (70 ms at 60 fps) was measured with both, video-only and audio and video output. Using a remote server, only the RTT is added to the end-to-end latency. For example, using a server in Amsterdam (The Netherlands) from a location in Salzburg (Austria), with RTT=18ms, an end-to-end latency of 50+18=68 ms was measured for video-only output. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".