Inject Video into stream or change video in stream, stream gets blink
- Thread starter dhwanild
- Start date
Good day.
Please provide a more detaled description:
1. WCS version used
2. Stream publishing method: WebSDK (browser), Android/iOS SDK (mobile), RTMP (OBS), etc
3. How do you change video: switch source at publisher side, publish two streams and inject one into another using REST API, etc
Please provide a more detaled description:
1. WCS version used
2. Stream publishing method: WebSDK (browser), Android/iOS SDK (mobile), RTMP (OBS), etc
3. How do you change video: switch source at publisher side, publish two streams and inject one into another using REST API, etc
We can't reproduce the issue in the latest build 5.2.2201. Please check if both streams have a same audio and video codecs: Known limits. Please check also if you set all the parameters needed in the REST APi query /stream/inject2/startup
If the issue still persists, reproduce the issue, then collect a report using a special script Getting logs with report.sh script (preferable) and send using this form.
If the issue still persists, reproduce the issue, then collect a report using a special script Getting logs with report.sh script (preferable) and send using this form.
dhwanild
New Member
ca you please check below video, video gets blink at 8th second when changed video
drive.google.com
Screen Recording 2025-03-25 135948.mp4
drive.google.com
Please reproduce the issue, collect a report using a special script Getting logs with report.sh script (preferable) and send using this form.
dhwanild
New Member
Reproduce the issue at 2:25 PM IST and attached log report zip. please check it
find log file : https://drive.google.com/file/d/1WmrsUhtNScaIAYKAvnX2QtIGTvaEwdgu/view?usp=sharing
video file : https://drive.google.com/file/d/1tIKSytQaOCKu_ZoDTWiidsfkESwDkWe5/view?usp=sharing
find log file : https://drive.google.com/file/d/1WmrsUhtNScaIAYKAvnX2QtIGTvaEwdgu/view?usp=sharing
video file : https://drive.google.com/file/d/1tIKSytQaOCKu_ZoDTWiidsfkESwDkWe5/view?usp=sharing
Seems like you are continiously injecting the same file to the same stream: when file reaches the end (every 30 seconds), you make another
Consider to use the server parameter
In this case you don't need to repeat
Also we didn't see in logs how do you publish the original stream. If you're using WebRTC, please provide a smooth keyframe interval with the following server settings
If you're using another VOD file, please encode it with a stable keyframe interval.
/stream/inject2/startup call with the same parameters. According to video attached, the original stream has static picture. So when injected stream ends, and before the next injection starts, it shows original stream picture. It may seem like blinking.Consider to use the server parameter
Code:
vod_live_loop=true/stream/inject2/startup calls until inject termination with /stream/inject/terminateAlso we didn't see in logs how do you publish the original stream. If you're using WebRTC, please provide a smooth keyframe interval with the following server settings
Code:
periodic_fir_request=true
periodic_fir_request_interval=2000dhwanild
New Member
we are using WebRTC Streaming URL
(BaseURL/embed_player?urlServer=wss://BaseURL&streamName=stream1&mediaProviders=WebRTC,MSE&autoplay=true)
start stream using API (rest-api/vod/startup)
parameters : {"uri":"vod-live://bg.mp4","localStreamName": "stream1","loop": true}
we are injecting VOD file periodically using API (rest-api/stream/inject2/startup)
Parameters : {"localStreamName":"stream1","remoteStreamName":"vod-live://bs.mp4","video":true,"audio":true}
Added static image video as background with loop while start stream
case 1 : inject 5 sec. video at 8th second when video end at 13th second you can see blank screen no background video appearing till 4 to 5 seconds.
case 2 : inject video at 23rd second, video was playing and at 27th second inject another video entire stream gets blink.
please check attached video,
drive.google.com
(BaseURL/embed_player?urlServer=wss://BaseURL&streamName=stream1&mediaProviders=WebRTC,MSE&autoplay=true)
start stream using API (rest-api/vod/startup)
parameters : {"uri":"vod-live://bg.mp4","localStreamName": "stream1","loop": true}
we are injecting VOD file periodically using API (rest-api/stream/inject2/startup)
Parameters : {"localStreamName":"stream1","remoteStreamName":"vod-live://bs.mp4","video":true,"audio":true}
Added static image video as background with loop while start stream
case 1 : inject 5 sec. video at 8th second when video end at 13th second you can see blank screen no background video appearing till 4 to 5 seconds.
case 2 : inject video at 23rd second, video was playing and at 27th second inject another video entire stream gets blink.
please check attached video,
Recording 2025-03-25 140034.mp4
drive.google.com
Please provide SSH access to the server using this form for our engineers to test.
We checked the server. You have an issues with server settings
1. Server CPU load is too high for a couple of streams
The server has 24 cores (actually it is 12c/24t). But you've set a twice more threads in all the thread pools:
So you really have 48 threads which are just consume CPU but does no useful work
We strongly recommend to remove the threads settings and leave them as default.
2. Seems like you're periodically checking if transcoders are active, but ignoring the search result and trying to create existing transcoder again and again
We recommend to check
3. We also recommend to use a longer clip as a primary stream source to inject another VOD streams. A background clip should be longer than injected one.
1. Server CPU load is too high for a couple of streams
The server has 24 cores (actually it is 12c/24t). But you've set a twice more threads in all the thread pools:
So you really have 48 threads which are just consume CPU but does no useful work
We strongly recommend to remove the threads settings and leave them as default.
2. Seems like you're periodically checking if transcoders are active, but ignoring the search result and trying to create existing transcoder again and again
We recommend to check
/transcoder/find (and other REST queries) result.3. We also recommend to use a longer clip as a primary stream source to inject another VOD streams. A background clip should be longer than injected one.