Extron SMP 111 User manual

Brand: Extron

Model: SMP 111

Type: User manual

This manual is also suitable for

Page 1

Technical Application Note

January 23, 2019

Extron H.264 Media Processors and Encoders

Streaming to third parties using RTMP

The following notes provide guidance on setting up Extron Media Processors and Encoders

for publishing live streams to third

party services via RTMP. For more information, please

call your Extron Application Engineer.

Extron Products Affected:

SMP 111

60-1594-01

SME 211

60-1763-01

SMP 351

60-1324-01 / 60-1324-11

SMP 351 3G-SDI

60-1324-02 / 60-1324-12

SMP 352 - 400 GB SSD

60-1634-11

SMP 352 3G-SDI - 400 GB SSD

60-1634-12

SPECIAL NOTES

Streaming to third party services requires a user to have an account with those services.

Accounts with third party providers are the responsibility of those maintaining the stream

and its content.

Page 2

Technical Application Note

TECH NOTE

The Encoders supports RTMP push streaming for publishing live video to third party services

like YouTube, Facebook Live, Wowza Cloud, Twitch, and others.

To configure the Encoder for RTMP Push streaming to a live streaming provider:

1. Ensure your Encoder is connected to the network and has access to the internet.

a. Open the web browser of the Encoder, Troubleshooting, Diagnostic Tools.

b. Ping your live service, such as [facebook.com].

i. If successful, a green checkmark is shown.

ii. If results fail, verify network and DNS settings.

2. Open a web browser of the Encoder, Configuration, Encoding & Metadata, Encoding

Presets:

Note: The examples in this document show the interface of the SMP 111. The

interfaces of the SME 211 and SMP 300 series may look different, but the same

settings apply.

Page 3

Technical Application Note

3. Confirm the Encoder is in Stop Mode. If needed, press stop on the front panel.

4. Select RTMP push from the streaming method drop down list.

5. Now the Server URL, Stream Name/Key and optionally the Username, and Password

information is needed:

a. Follow the links below to obtain the fields from these services. Services other

than those listed in this document will also require similar information.

Page 4

Technical Application Note

Streaming to YouTube Live

1. Go to www.youtube.com/live_dashboard and if not logged in to your account,

proceed with the log in.

2. There are two options for live streaming:

A. Stream now - for instant live streaming – see A below

B. Events - to scheduled live events – see B below.

A. For Stream Now page, enter basic information about the live stream, and scroll down to

the Encoder Setup:

1. Copy and paste the Server URL and Stream Name/key to the Encoder’s streaming

data fields, then Click Apply.

2. On the Encoder, click “Start RTMP stream” button to activate the stream.

3. After a few seconds, the button will change to red and indicate the RTMP stream is

now live.

4. Back on the YouTube Live dashboard page, you should now see the display of the

Encoder’s streaming content, and the content is live.

Page 5

Technical Application Note

5. The live stream will be available on YouTube until it is stopped from the Encoder’s

streaming page or SIS command.

Note: YouTube does not require Username and Password for Live Stream.

YouTube uses port 1935 for streaming. This port must be open for

network access.

B. For Events workflow on the YouTube page:

1. Click New live event to start a new event.

2. Enter the event Title, Start Date/Time, and a Description.

3. Click Custom.

4. Click Create Event.

5. Next, Upload a thumbnail picture for your stream (optional)

Page 6

Technical Application Note

6. Then, Select either Single-Use stream Key or Reusable stream key:

• With Single-Use stream key, each event will have a unique stream name, and

must be entered in the Encoder each time.

• With Reusable stream key, you may setup resolution and bandwidth profiles

such as 720p or 1080p. These profiles may be reused for multiple events and

will use the same Stream Name per profile.

7. Next, select Create New stream, and give it a name and description, and select your

available bandwidth.

• 1500-4000 kbps for 720p

• 3000-6000 kbps for 1080p

• Check 60 fps if planning on streaming 60 fps (SME 211 only)

8. Select Other encoders from the encoder dropdown list.

9. On the YouTube web page, press [Save changes].

10. Then, copy the Stream Name and Primary Server URL information from the

YouTube page to Streaming data fields on the Encoder’s web page, and click apply.

Page 7

Technical Application Note

11. On the Encoder’s web page, Streaming Settings, Press [Start RTMP stream] .

12. Go back to YouTube Live Control Room to preview and press [Start Streaming].

• Previewing or directly starting the stream in YouTube may take a few

minutes.

Page 8

Technical Application Note

13. Stopping the Stream:

• If scheduled with a duration, the live stream from YouTube will automatically

stop at the appropriate time.

• If scheduled open ended, on the YouTube page, press

Note: Once a streaming Event is stopped in YouTube, it cannot be restarted. A new Event

must be created.

• After YouTube is stopped, then stop the Encoder.

Note: If you stop the Encoder before the YouTube Stream, the public will see an error:

Page 9

Technical Application Note

Troubleshooting:

1. Ensure the Encoder is configured for RTMP Streaming format.

2. Ensure that the Encoder’s Stream is started, and that the firewall is open to port

1935.

3. Verify the Server URL and Stream Name are entered correctly.

• Note: The Stream Name / Key will change if using “Basic Ingestion” profiles.

4. YouTube recommended settings:

Audio Bitrate: 128 kbps (192 works as well)

Audio Sample Rate: 44.1 kHz

Resolution: Maximum 1080p/60 (needs to match YouTube Ingestion Profile – see above)

FPS: max 30 (SME 211 max 60)

GOP: SMP-series: max 40 @ 30 fps, max 20 @ 15 fps.

SME 211: max 60 @ 30 fps, max 120 @ 60 fps (Recommended IDR interval is 2 seconds. Do not

exceed 4 seconds)

Video Bitrate: Set for 80% of available bandwidth using speed test depending upon resolution.

1080p/60: 4500 – 9000 Kbps (SME 211 only)

1080p/30: 3000 – 6000 Kbps

720p/30: 1500 – 4000 Kbps

480p: 500 – 2000 Kbps

Rate Control: CBR

H.264 Profile: High

For SME 211, it is recommended to use the Youtube encoding presets that will apply all recommended

settings.

Extron SMP 111 User manual

Brand: Extron

Model: SMP 111

Type: User manual

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