SdpParser

Source:: utils/SdpParser.js, line 30

Methods

# (static) adaptCodecName(sdp, codec, newCodecName) → {String}

Replace codec name of a SDP.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.
`codec`	String	Codec name to be replaced.
`newCodecName`	String	New codec name to replace.

Source:: utils/SdpParser.js, line 210

Returns:

SDP updated with new codec name.

Type: String

# (static) getAvailableHeaderExtensionIdRange(sdp) → {Array.<Number>}

Gets all available header extension IDs of the current Session Description.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 280

Returns:

All available header extension IDs.

Type: Array.<Number>

# (static) getAvailablePayloadTypeRange(sdp) → {Array.<Number>}

Gets all available payload type IDs of the current Session Description.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 260

Returns:

All available payload type ids.

Type: Array.<Number>

# (static) removeSdpLine(sdp, sdpLine) → {String}

Remove SDP line.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.
`sdpLine`	String	SDP line to remove.

Source:: utils/SdpParser.js, line 191

Returns:

SDP without the line.

Type: String

Example

SdpParser.removeSdpLine(sdp, 'custom line')

# (static) renegotiate(localDescription, remoteDescription)

Renegotiate remote sdp based on previous description. This function will fill missing m-lines cloning on the remote description by cloning the codec and extensions already negotiated for that media

Parameters:

Name	Type	Description
`localDescription`	String	Updated local sdp
`remoteDescription`	String	Previous remote sdp

Source:: utils/SdpParser.js, line 301

# (static) setAbsoluteCaptureTime(sdp) → {String}

Mangle SDP for adding absolute capture time header extension.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 128

Returns:

SDP mungled with abs-catpure-time header extension.

Type: String

Example

SdpParser.setAbsoluteCaptureTime(sdp)

# (static) setDependencyDescriptor(sdp) → {String}

Mangle SDP for adding dependency descriptor header extension.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 148

Returns:

SDP mungled with abs-catpure-time header extension.

Type: String

Example

SdpParser.setAbsoluteCaptureTime(sdp)

# (static) setDTX(sdp) → {String}

Parse SDP for support dtx.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 111

Returns:

SDP parsed with dtx support.

Type: String

Example

SdpParser.setDTX(sdp)

# (static) setMultiopus(sdp, mediaStream) → {String}

Parse SDP for support multiopus.

Only available in Google Chrome.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.
`mediaStream`	MediaStream	MediaStream offered in the stream.

Source:: utils/SdpParser.js, line 228

Returns:

SDP parsed with multiopus support.

Type: String

Example

SdpParser.setMultiopus(sdp, mediaStream)

# (static) setSimulcast(sdp, codec) → {String}

Parse SDP for support simulcast.

Only available in Google Chrome.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.
`codec`	String	Codec.

Source:: utils/SdpParser.js, line 40

Returns:

SDP parsed with simulcast support.

Type: String

Example

SdpParser.setSimulcast(sdp, 'h264')

# (static) setStereo(sdp) → {String}

Parse SDP for support stereo.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.

Source:: utils/SdpParser.js, line 94

Returns:

SDP parsed with stereo support.

Type: String

Example

SdpParser.setStereo(sdp)

# (static) setVideoBitrate(sdp, bitrate) → {String}

Parse SDP for desired bitrate.

Parameters:

Name	Type	Description
`sdp`	String	Current SDP.
`bitrate`	Number	Bitrate value in kbps or 0 for unlimited bitrate.

Source:: utils/SdpParser.js, line 169

Returns:

SDP parsed with desired bitrate.

Type: String

Example

SdpParser.setVideoBitrate(sdp, 1000)

# (static) updateMissingVideoExtensions(localDescription, remoteDescription) → {String}

Adds missing extensions of each video section in the localDescription

Parameters:

Name	Type	Description
`localDescription`	String	Previous local sdp
`remoteDescription`	String	Remote sdp

Source:: utils/SdpParser.js, line 341

Returns:

SDP updated with missing extensions.

Type: String