package callsignaling

Get desktop application:
View/edit binary Protocol Buffers messages

Signal changes in the capturing state (e.g. video camera enabled or disabled)

Used in: Envelope

• CaptureState.Mode state = 1

• CaptureState.CaptureDevice device = 2

The capture device type

Used in: CaptureState

• CAMERA = 0

  Capturing from a camera

• RESERVED_FOR_SCREEN_SHARE = 1

  Capturing from screen sharing (do not use atm)

• MICROPHONE = 2

  Capturing from a microphone

The capture state of a capturing device

Used in: CaptureState

• OFF = 0

  Off, not sending any data

• ON = 1

  On, sending data

Root signaling message

• bytes padding = 1

  Random amount of padding (0-255 bytes), ignored by the receiver

• oneof content

  • VideoQualityProfile video_quality_profile = 2

  • CaptureState capture_state_change = 3

The app switched to a new video quality profile In order to be forwards-compatible, the raw configuration of the profile (bitrate, resolution, etc) should also be included in this message. This way, if an unknown enum value is received, the receiver can simply use the raw values instead.

Used in: Envelope

• VideoQualityProfile.QualityProfile profile = 1

• uint32 max_bitrate_kbps = 2

  The max bitrate in kbps

• optional common.Resolution max_resolution = 3

  The max resolution (in landscape orientation)

• uint32 max_fps = 4

  The max framerate

The quality profile

Used in: VideoQualityProfile

• MAX = 0

  Very high quality, used only when explicitly selected by the user

• HIGH = 1

  High quality, used by default in non-metered networks

• LOW = 2

  Low quality, optimize for bandwidth, used by default in metered networks