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  1. sangsoo

    /rest-api/hls/find_all 500 error

    hello. When I run /rest-api/hls/find_all, I get a 500 error. ----Version info----- wcs_version=5.2.1782-2c19ea1c5c48070f3ee21c42cb9c322744c0a373 wcs_client_version=2.0.235-26b6eab7c0f8f6a0ff720922c5007bb7da59aa86 * flashphoner.properties HLS settings Set hls_store_segment_in_memory=false...
  2. sangsoo

    Problem joining the same Room twice with the same name while hooking RoomApp

    Hi there. I am hooking the RoomApp ConnectionStatusEvent to handle abnormal termination (chrome tab closing) while joining a conference (Room). Basically, it works fine, but there is a problem when joining the same Room twice with the same name. -----Version info-----...
  3. sangsoo

    REST hooking connectionStatusEvent or streamStatusEvent in RoomAPI

    Hello. I try to hook only connectionStatusEvent (or streamStatusEvent) for the purpose of exception handling such as chrome tam termination during publishing. -----Version info----- wcs_version=5.2.1453-c00a60c817d01c644f542b044b48adce9314f727...
  4. sangsoo

    Problem when rotating the phone (90 degrees to the left) in Safari on iPhone (iOS16)

    Hello When the phone is rotated (left 90 degrees) in Safari on iPhone (iOS16), the phone cam looks distorted. A right 90 degree rotation is normal. - https://demo.flashphoner.com/client2/examples/demo/streaming/two_way_streaming/two_way_streaming.html ----- My WCS Version info-----...
  5. sangsoo

    How to get real-time stat information of conference

    hello. We did a load test referring to a recent blog post. 1. What kind of server do you need to run a thousand WebRTC streams? 2. 10 Important WebRTC Streaming Metrics and Configuring Prometheus + Grafana Monitoring 3. WebRTC Back and Forth -----Version info-----...
  6. sangsoo

    After stream recording, the video rotates 270 degrees

    hello. I am using the stream recording function. In recent Chrome browser version 100 (100.0.4896.75), if you play the stream after recording it, it is forcibly rotated by 270 degrees. Chrome Beta 101 version (v101.0.4951.15) and Chrome Canary 102 version (102.0.4990.2) have the same symptoms...
  7. sangsoo

    How to configure "SFU functions with Simulcast"

    Hello. I am testing "SFU functions with Simulcast". https://docs.flashphoner.com/display/WCS52EN/SFU+functions+with+Simulcast 1. test server -----Version info----- wcs_version=5.2.1151-79115db19701704f18c4ea27e5a6a80d9561862e wcs_client_version=2.0.216-05436f8d7f316c9c1e919afcd2a813f4b146ff53...
  8. sangsoo

    AMD + Chrome HA Enabled + Canvas Streaming Error

    Hello. Canvas streaming sample does not work when hardware acceleration is enabled in Chrome browser. 1. Chrome Version: 95 (95.0.4638.54) 2. PC information: - Windows 11 Pro (21H2, OS Build 22000.282) - Lenovo Legion (T530-28APR), CPU AMD Ryzen 5 3600 + GPU AMD RX5500 3. Other information -...
  9. sangsoo

    I want to loop playback of "vod://~.mp4" file.

    Hello. I want to loop automatically when the "vod://" file is finished playing. It would be nice to have a setting like "vod_live_loop=true" like "vod-live://" playback. https://docs.flashphoner.com/display/WCS52EN/Capturing+VOD+from+a+file#CapturingVODfromafile-VODloop Is it possible to add...
  10. sangsoo

    The 2nd Join event does not occur in the conference.

    Hello. This symptom occurs when Room Join has not yet been published. (If you use “http://“, the symptom is easily reproduced because it is not published.) -----Version info----- wcs_version=5.2.1022-de64fe5ba1af8064f820a3293993e00df7929ea6...
  11. sangsoo

    2nd publish fails when using conference(Room API)

    Hello. When using conference(Room API), it fails from the 2nd publish. demo : /client2/examples/demo/streaming/conference/conference.html -----Version info----- wcs_version=5.2.1022-de64fe5ba1af8064f820a3293993e00df7929ea6 wcs_client_version=2.0.195-71b07a8b88011c6a7afb9b95d7e19b7da7084b96 1...
  12. sangsoo

    /push/startup always succeeds even if an invalid rtmpURL is specified

    Hello. I use /push/startup api for youtube streaming. The startup restapi call always succeeds, even if an invalid rtmpURL is specified. -----Version info----- wcs_version=5.2.936-1265f2a5d691e1a98306d0c6f3628d752ed9f438 wcs_client_version=2.0.167-c9ff2641d916675b0f8bbd6436ee3b71c08b3fb6 1...
  13. sangsoo

    Canvas Streaming Error in Chrome Canary 93

    Hello. There is an error when running the Canvas Streaming in the latest version of Chrome Canary (93.0.4549.3). - https://docs.flashphoner.com/display/WCS52EN/From+an+HTML5+Canvas+element+(whiteboard)+in+a+browser+via+WebRTC - A problem occurs when using the H264 codec. - VP8 codec works...
  14. sangsoo

    Conference(Room API) function as ASG

    Hello. I want to configure Conference(Room API) in amazon ASG environment. Test order. 1. Configure ASG with a.b.com (CNAME). 2. Run 5 WCS servers (EC2 Instance) on a.b.com (CNAME). 3. "Bill" joins a.b.com. An Invite link containing a.b.com will be created (*) 4. "'Steve" joins the Invite link...
  15. sangsoo

    What's a better way to control bitrate?

    -----Version info----- wcs_version=5.2.923-aedc87cff21fea097721068cda0495425218ab31 wcs_client_version=2.0.166-eed8c28a711996707a64f16bdfb64953c4948e4c Hello. I want to control the bitrate of WebRTC publlish stream. I know how to support it in WCS. 1.REMB: WCS(constraints, properties) min /...
  16. sangsoo

    {startTimeMillis} problem when stopping VP8 stream recording

    -----Version info----- wcs_version=5.2.923-aedc87cff21fea097721068cda0495425218ab31 wcs_client_version=2.0.166-eed8c28a711996707a64f16bdfb64953c4948e4c Hello. When I finish recording the vp8 publish stream, the template {startTimeMillis} is set to 0. {endTimeMillis} works fine. - using ...
  17. sangsoo

    Origin, edge ASG policy setting

    Hello. I have a question about the origin,edge ASG policy setting. WCS Version: 5.2.832 *Note the following: - https://flashphoner.com/cdn-with-balancing-and-autoscaling-powered-by-amazon-web-services - https://docs.flashphoner.com/display/WCS52EN/AWS+load+balancer+with+auto+scale+quick+setup...
  18. sangsoo

    "Republishing to Youtube" failed

    Hello. *The WCS version is 5.2.787. The "Republishing to Youtube" test fails. I attach the server log at the time of failure. What is the problem? Thank you.
  19. sangsoo

    How to run ASG on Ec2 spec with more than recommended C4.large?

    Hello. EDGE Auto Scaling Test is in progress for each EC2 instance type. 1. Published in FHD CBR 2500 in OBS, and played as many times as specified in Edge without transcoding. -I used "Load testing using WebRTC pulling". 2. The CPU usage was measured at the edge. 3. 1 stream for comparison...
  20. sangsoo

    Increased CDN nodes after applying ASG Dercrease Policy

    Hello. WCS Auto Scaling (Increase / Decrease) was configured in AWS. It works very well. There is one problem. While operating the WCS, EC2 Instances excluded by the Decrease policy are continuously displayed on Show Nodes. (Edge's Show_Nodes result) Of course, you can delete the "UNKNOWN"...
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