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It is recommended to set hyphenated profile names for convinuence.
Profile parameters
| Parameter | Values available | Description |
|---|---|---|
| Audio parameters | ||
| codec | opus mpeg4-generic speex | Audio codec to use |
| bitrate | Depends on quality required and bandwith available | Audio bitrate, bps |
| rate | 8000 11025 12000 16000 22050 24000 32000 44100 48000 | Audio sample rate, kHz |
| channels | 1 2 | Channels quantity: mono or stereo |
| Video parameters | ||
| codec | h264 vp8 | Video codec to use |
| bitrate | Depends on quality required and bandwith available | Video bitrate, kbps |
| width | Depends on quality required and bandwith available | Picture width |
| height | Depends on quality required and bandwith available | Picture height |
| codeImpl | FF OPENH264 | Video codec used: based on FFmpeg or OpenH.264 |
| gop | Depends on quality required and bandwith available | Key frames frequency (GOP) |
| fps | Depends on quality required and bandwith available | Frames frequency per second |
| quality | Depends on quality required and bandwith available | Video quality |
If picture width is not set or equal to 0, video will be scaled by height with aspect ratio preserving.
If both width and height are equal to 0, video will be scaled to resolution 160x120.
When stream is transcoded on Edge server
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REST queries and responses
REST query | REST query body example | REST response example | Response states | Description | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
/cdn/stream/show_routes |
|
| 200 – OK 500 – Internal Server Error | Show CDN stream routes |
Parameters
Description | Example |
|---|---|
Stream name (including transcoding profile if necessary) | test-webrtc-144 |
| Transcoding profile requested parameters | |
| Profile requested parameters | REQUESTED-PROFILE |
| Audio parameters | AUDIO{bitrate=0, codec='opus', rate=48000, channels=2} |
| Video parameters | VIDEO{width=256, height=144, gop=null, fps=null, bitrate=0, codec='h264', codecImpl='OPENH264', quality=null} |
| Transcoder stream parameters | |
| Transcoding profiles used by Transcoder parameters | 1-PROFILE-192.168.1.220 |
| Stream pulled from Origin by Transcoder parameters | 2-STREAM-192.168.1.220 |
| Audio parameters | AUDIO{bitrate=0, codec='opus', rate=48000, channels=2} |
| Video parameters (according to transcoding profiles used) | VIDEO{width=320, height=180, gop=null, fps=null, bitrate=0, codec='H264', codecImpl='FF', quality=null} |
| Stream parameters that Transcoder can pull from Origin | 3-NEW-TRANSCODER-192.168.1.220 |
| Origin stream parameters | |
| Stream published to Origin parameters | 4-PROXY-192.168.1.219 |
| Audio parameters | AUDIO{bitrate=0, codec='opus', rate=48000, channels=2} |
| Video parameters | VIDEO{width=0, height=0, gop=null, fps=null, bitrate=0, codec='H264', codecImpl='', quality=null} |
CDN routes checking examples
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