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Changing Stream Settings

The stream settings can be changed by providing a stream settings block. The following is an 
example of streaming a 1080p59.94 input on Twitch with a medium stream quality.

STREAM SETTINGS:

Video Mode: 1080p59.94

Current Platform: Twitch

Current Server: US West: Los Angeles, CA

Current Quality Level: Streaming Medium

Stream Key: live_123456789_1aB2cD3eF4gH5iJ6kL7mN8oP9qR0sT

ACK

STREAM SETTINGS:

Video Mode: 1080p59.94

Current Platform: Twitch

Current Server: US West: Los Angeles, CA

Current Quality Level: Streaming Medium

Stream Key: live_123456789_1aB2cD3eF4gH5iJ6kL7mN8oP9qR0sT

Stream XML Block

The stream XML block allows users to configure the Web Presenter with a custom configuration 
file in XML format. 

Block syntax

The following example shows an XML file - Custom.xml has been loaded to configure the 
stream settings in the Web Presenter.

STREAM XML:

Files: Custom.xml

Parameters

Key

Read/Write

Description

Valid Values

Files

Read/Write

The XML files loaded in Web Presenter

Comma separated list of filenames

Action

Write only

The stream XML action

Remove  
Remove All

Adding a Stream XML file

An XML file can be loaded onto a Web Presenter by sending the stream xml command with a 
filename, then provide the contents of the XML file. After adding the XML file, the Available 
Custom Platforms field in the STREAM SETTINGS block will be updated with the new platforms, 
however the Current items will remain unchanged. 

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Developer Information

Содержание Web Presenter HD

Страница 1: ...Blackmagic Web Presenter HD February 2021 Installation and Operation Manual Blackmagic Web Presenter HD...

Страница 2: ...struction manual shows you everything you need to know to get started with Blackmagic Web Presenter and how to use all the features and controls including how to set everything up for YouTube Live Fac...

Страница 3: ...Streaming 17 Streaming Using Your Smartphone 18 Using Blackmagic Web Presenter HD as a Webcam 18 Setting up Open Broadcaster 18 Creating Video Links with ATEM Streaming Bridge 21 Teranex Mini Rack She...

Страница 4: ...nt to connect external power or redundancy via an external power supply for example a UPS or external 12V battery Connecting Video and Audio Plug your video source into Blackmagic Web Presenter HD s S...

Страница 5: ...C port on the front or rear panel These USB ports are used for updating the unit and configuring it with the Blackmagic Web Presenter Setup utility Once you have configured your Web Presenter for the...

Страница 6: ...w ready to start streaming to the world Click the on air button or press the on air button on the unit s front panel When your production has finished press the off button to stop your broadcast For i...

Страница 7: ...to confirm the change Press the menu button to step back through the menu items and return to the home screen Call This feature will be enabled in a future update Lock Press and hold this button for...

Страница 8: ...ce that is connected to Web Presenter HD Audio Meters Displays the audio levels of the video source connected to Web Presenter HD Duration Counter Shows the current duration of your live stream The co...

Страница 9: ...l be used for streaming A red smartphone icon is displayed when on air and streaming via a tethered smartphone TIP If no icon is displayed then your Web Presenter HD is not connected to the network Us...

Страница 10: ...until streaming is stopped Underneath the on air indicator is the duration counter When you press the on air button on the Web Presenter HD the duration counter will start running If your Web Present...

Страница 11: ...ncludes Closed Captions the format will be displayed here CEA 608 and CEA 708 formats are supported SMPTE 292 CRC This is an error checking function for SDI video If your Web Presenter HD detects a pr...

Страница 12: ...h of the audio embedded in the SDI input Origin These four characters indicate the channel origin Time of Day Free run timecode Audio Bits Similar to luminance y bits and chroma bits An X means a cons...

Страница 13: ...ases the buffer data will increase accordingly If the connection speed becomes slow enough that it cannot support the video stream the cache will fill with video frames to compensate However once the...

Страница 14: ...ected to a network any computer connected to the same network can be used to control your Web Presenter remotely With Blackmagic Web Presenter Setup you can access the same controls and settings that...

Страница 15: ...ing a Stream Key section Quality Select the streaming quality HyperDeck High 45 to 70 Mb s HyperDeck Medium 25 to 45 Mb s HyperDeck Low 12 to 20 Mb s Streaming High 6 to 9 Mb s Streaming Medium 4 5 to...

Страница 16: ...io meter to display Choose from VU 18dBFS VU 20dBFS PPM 18dBFS or PPM 20dBFS reference levels Network These settings allow you to configure options such as choosing between connecting to a network ove...

Страница 17: ...ernet Sharing for Direct Streaming If you are unable to plug Web Presenter HD directly into a network switch or internet router you can share your computer s internet connection with Web Presenter HD...

Страница 18: ...set the connection priority to mobile Using Blackmagic Web Presenter HD as a Webcam Software such as Skype or Zoom should automatically set Web Presenter HD as the webcam so when you launch the appli...

Страница 19: ...create stream 7 8 YouTube will now generate a stream key that will direct Open Broadcaster to your YouTube account Click the copy button next to the stream key Copy the stream key that you will now p...

Страница 20: ...now communicating with YouTube Live you are ready to begin your broadcast Now it s time to perform your final checks and make sure everything is good If you are all set you can now begin your broadca...

Страница 21: ...l can be downloaded from the Blackmagic Design Support center at www blackmagicdesign com support Teranex Mini Rack Shelf Teranex Mini Rack Shelf is a 1 RU shelf that lets you install your Blackmagic...

Страница 22: ...ttings network settings and streaming quality To update the internal software 1 Download the newest Blackmagic Web Presenter installer from www blackmagicdesign com support 2 Run the Blackmagic Web Pr...

Страница 23: ...character Following the header a block contains either a single multi line string or a sequence of key value pairs arranged one per line The first colon on a line is used to delimit the key and the va...

Страница 24: ...he following block STREAM SETTINGS Video Mode 1080p59 94 The block must be terminated by a blank line On receipt of a blank line the Web Presenter server will either acknowledge the request by respond...

Страница 25: ...r Block Syntax The following example shows the Identity Block for a Blackmagic Web Presenter HD IDENTITY Model Blackmagic Web Presenter HD Label Blackmagic Web Presenter HD Unique ID 00112233445566778...

Страница 26: ...he TCP IP networking configuration for the connected Web Presenter Block Syntax This example shows the output for a connected Web Presenter It displays 2 networking interfaces the Gigabit Ethernet int...

Страница 27: ...networking interface String Priority Read Write The priority of the network interface When multiple network interfaces are available the high priority interface will become the default Unsigned integ...

Страница 28: ...F 8 ja_JP UTF 8 ko_KR UTF 8 es_ ES UTF 8 de_DE UTF 8 fr_FR UTF 8 ru_RU UTF 8 it_IT UTF 8 pt_BR UTF 8 tr_TR UTF 8 Current Locale en_US UTF 8 Available Audio Meters PPM 18dB PPM 20dB VU 18dB VU 20dB Cur...

Страница 29: ...Parameters Key Read Write Description Valid Values Available Video Modes Read only The video modes available in the Web Presenter Comma separated list of video modes Video Mode Read Write The current...

Страница 30: ...block allows users to configure the Web Presenter with a custom configuration file in XML format Block syntax The following example shows an XML file Custom xml has been loaded to configure the stream...

Страница 31: ...version 1 0 encoding UTF 8 streaming service name My Custom Platform name service streaming STREAM XML Files Custom xml STREAM SETTINGS Available Custom Platforms My Custom Platform Removing a Stream...

Страница 32: ...ange to the Status field Due to frequency of changes to Duration and Bitrate fields these fields need to be polled by the client by requesting a Stream State block Block syntax STREAM STATE Status Idl...

Страница 33: ...ters Key Read Write Description Valid Values Action Write only The Web Presenter shutdown action Reboot Factory Reset Reboot The Web Presenter can be rebooted by providing a Shutdown block with reboot...

Страница 34: ...thout knowledge of the device id they are monitoring Assumptions Any data alignment padding is explicit in the protocol Bit fields are packed from LSB first Blanking Encoding One tally control packet...

Страница 35: ...ave device 4 preview tally status 0 off 1 on bit 6 7 reserved 0b00 Master Device Monitor Device Slave Device 2 Slave Device 3 Slave Device 1 Byte 7 MSB 6 5 4 3 2 1 0 LSB 0 Version 0b0 Version 0b0 Vers...

Страница 36: ...sit for more information and creative ideas This can also be a faster way of getting help as there may already be answers you can find from other experienced users and Blackmagic Design staff which wi...

Страница 37: ...en the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may caus...

Страница 38: ...ation is provided around the product and is not restricted When rack mounting ensure the ventilation is not restricted by adjacent equipment No operator serviceable parts inside Refer servicing to you...

Страница 39: ...agic Design representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused...

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