SessionManager allows the registration of source update observers and delivers via callbacks the above notifications.
RTSP server modified to register to source update notifications and to send updates to clients via ANNOUNCE method.
- added source_check_mdns_browser_update test to verify mDNS update notification for a single source
- added add_remove_check_mdns_browser_update_all test to verify mDNS update notifications for all 64 sources
- additional fixes and minor changes to the test suite
The following changes enable support for RTCP client persistent connections used to receive RTSP server ANNOUNCE messages. These in turn update the remote sources in the Browser.
- added new process static method to RtspClient class to receive and update source SDP files via DESCRIBE and ANNOUNCE methods. This method can handle persistent connections with the RTSP server and triggers an observer callback when a source SDP file is received or updated. A map is used to track all active RTSP clients.
- added new stop and stop_all static methods to RtspClient class respectively to stop a specific RTCP client and to stop all clients.
- modified MDNSClient class to call RtspClient::process method when a new Ravenna service is added and the RtspClient::stop method when a service is removed. The RtspClient::stop_all method is called when the daemon terminates.
- modified Browser class to receive and handle remote RTSP sources SDP file add and change notifications. This class receives the updates via the RtspClient observer callback
- updated documentation
- modified SessionManager class to register and trigger observer callbacks when a new session is added or removed
- moved MDNSServer out of the SessionManager and added instantiation in the daemon main
- MDNSServer instance registers to SessionManager to receive source add & remove events and invokes appropiate Avahi client operation
- RTSPServer instance registers to SessionManager to receive source update events. In case of update It sends RTSP ANNOUNCE (with the new SDP) to the connected RTSP clients that previously requested (via DESCRIBE method) the SDP file for the specific source
- removed disconnetion timeout handling in RTSPServer. RTSPServer connections are now persistent
- fixed handling of Max samples per packet Source parameter in the WebUI and added computation of the real frame duration
- fixed max number of channels configurable for a Sink in the WebUI
- fixed tic_frame_size_at_1fs daemon parameter documentation
- changed daemon default sample_rate parameter to 48000 Hz
- fixed handling of Max samples per packet Source parameter in the WebUI and ad>
- fixed max number of channels in the Sink configuration of the WebUI
- fixed tic_frame_size_at_1fs daemon parameter documentation
- changed daemon default frame size to 48000Hz
- use correct delimiter ('=') and unsigned integer when extracing RTP timestamp offset from mediaclk:direct SDP audio attribute
- use session connection information (c=) when audio specific connection information is missing
- mDNS advertisement for all local Sources is implemented by mdns_server.[cpp,hpp] and based on Linux Avahi.
- RTSP server implementation supports DESCRIBE method to return SDP of local Sources and supports persistent connection but doesn't provide service updates via UPDATE method.
- Modified RTSP client to browse for _ravenna_session subtype of _rtsp._tcp services only.
- Modified SAP and mDNS discovery to avoid returning local Sources advertised by the daemon.
- Added "rtsp_port" and "node_id" config parameters.
- rtsp_port is a read/write parameter that contains the port of the RTSP server.
- node_id is a read only parameter that contains the unique daemon identifier used in mDNS and SAP sources announcements.
- Modified session manager to check that every Source and Sink created by the user has a unique name.
- Modified WebUI to visualize node_id and to visualize and edit rtsp_port parameters in Config tab.
- Extended regression test to verify proper behaviour of mDNS/RTSP sources advertisement and discovery.
- Modified REST API to browse remote sources to allow browsing of SAP, mDNS and all sources via HTTP GET /api/browse/sources/[all|mdns|sap].
- Amended daemon documentation.
- added patch to ravenna-alsa-lkm module to support AM824 codec and associated conversion functions
- added support for AM824 codec to daemon and in WebUI
- modifed demo to test 8 channels of AM824 with 6 samples per packet @ 48Khz (125us x packet)
- browser stores the RTSP sources discovered via mDNS by name and domain
- domain field added to JSON Remote Source params
- removed trailing CR/LF to the end of SAP source name
- aligned state handling with avahi-browse tool: browser is started in client callback
- browsing is limited to IPv4 services discovered on the specific daemon network interface only
Additional minor changes.
- added support to the WebUI for 6 samples (125ms @ 48Khz) per packet in Source configuration
- enhanced remote source SDP listing in Sink configuration to display remote SDP source, address and name
