Problem with KeyFrame (VP9)

[yihungbakj hung]

Hi All

I am encoding VP9 via webrtc (Chrome) and I'm getting the following messages continuously in the logs.

"LOG(LS_WARNING) No decodable frame in wait 3000 ms, requesting keyframe" .

Why am I receiving warning messages such as "LOG(LS_WARNING) No decodable frame in wait ..."

My bitrate is 20000kbps  (20Mbps). Any idea how to solve this? 

Thank you.

yh

[Sergio Garcia Murillo]

because your rtp  data is not decodable  by chrome, either wrong encoding, packetization or missing first keyframe (or a mix of everything)

you should provide more info on what you are doing to be able to provide a better answer. 

best regards 

Sergio 

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[yihungbakj hung]

Hi Sergio

Thank you for your reply. Please see below for details about missing keyframes.

1. I'm trying to make a simple peer connection using Javascript. (chrome browser 66 -> native webrtc c++ M62)

2. Video Resolution= 3840x2160, FPS=15, VP9 Codec, Video Bitrate=6Mbps (B=AS). It seems to be working fine.

3. Video Resolution= 3840x2160, FPS=15, VP9 Codec, Video Bitrate>6Mbps (B=AS). I connect, but it seems slow. How do I speed it up? 

4, Logitech Brio webcam

Thank you.

yh

Sergio Garcia Murillo於 2018年5月16日星期三 UTC+8下午4時27分13秒寫道：

[yihungbakj hung]

Update

Hi Sergio

Thank you for your reply. Please see below for details about missing keyframes.

1. I'm trying to make a simple peer connection using Javascript. (A->B => chrome browser 66 -> native webrtc c++ M62)

2. A =>Video Resolution= 3840x2160, FPS=15, VP9 Codec, Video Bitrate=6Mbps (B=AS). It seems to be working fine.

2.1. B =>Video Resolution= 3840x2160, FPS=15, VP9 Codec, Video Bitrate=6Mbps (B=AS). It seems to be working fine.

3. A =>Video Resolution= 3840x2160, FPS=15, VP9 Codec, Video Bitrate>6Mbps (B=AS). It seems to be working fine.

3.1. B =>Video Resolution= 3840x2160, FPS<15, VP9 Codec, Video Bitrate=6Mbps (B=AS). I connect, but it seems slow. How do I speed it up? 

4. Logitech Brio webcam (4k resolution)

Thank you.

yh

yihungbakj hung於 2018年5月17日星期四 UTC+8下午12時51分28秒寫道：

[Data and Signal]

Hi Sergio,

12 days ago you instructed yihungbakj hung to bring more info which he apparently did, but you disappeared.

"you should provide more info on what you are doing to be able to provide a better answer."

Could you please share more thoughts on the issue for which you requested more info?

thank you,

Piotr,

Data And Signal

[Sergio Garcia Murillo]

You understand that this is a community forum and not a paid support hot line, right?

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[Data and Signal]

Hi Sergio,

Sure. But you asked for more info, which you got, and you didn't give any feedback.

You understand that is my point, right? Anyway...

[Alexandre GOUAILLARD]

https://www.ef.edu/english-resources/english-grammar/conditional/

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Alex. Gouaillard, PhD, PhD, MBA

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