v0.17.15

New minor features

• HLS: add new parameter hlsSegmentMaxSize that prevents RAM exhaustion

Fixes and improvements

• General: do not print raw bytes into logs; print hex dump instead
• General: send query values to external authentication service
• General: save regexp groups in G1, G2 env variables instead of 1, 2 (#642)
• General: on Linux/macOS, launch external commands directly without using the shell
• RTSP source: fix memory leak that happened when a PLAY request failed
• RTSP source: send keepalive requests within the session timeout. This fixes a lot of timeouts with the UDP protocol (#702)
• RTSP source: fix crash in case a PLAY request fails before receiving the response
• RTSP server: send session timeout to clients through the session header (#702)
• RTSP server: allow again H264 tracks without SPS or PPS in the SDP (#787)
• HLS muxer: create first segment only after the first IDR is received
• HLS muxer: set audio codec mime according to mpeg4 type
• HLS muxer, RTMP server: support H264 tracks that contains extra data in sprop-parameter-set