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rtph261pay

rtph261pay

Types and Values

struct GstRtpH261Pay

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstRTPBasePayload
                    ╰── GstRtpH261Pay

Description

Payload encoded H.261 video frames into RTP packets according to RFC 4587. For detailed information see: https://www.rfc-editor.org/rfc/rfc4587.txt

The payloader takes a H.261 frame, parses it and splits it into fragments on MB boundaries in order to match configured MTU size. For each fragment an RTP packet is constructed with an RTP packet header followed by the fragment. In addition the payloader will make sure the packetized H.261 stream appears as a continuous bit-stream after depacketization by shifting the encoded bit-stream of a frame to align with the last significant bit of the previous frame. This helps interoperability in the case where the encoder does not produce a continuous bit-stream but the decoder requires it.

Example launch line

1
gst-launch-1.0 videotestsrc ! avenc_h261 ! rtph261pay ! udpsink
This will encode a test video and payload it. Refer to the rtph261depay example to depayload and play the RTP stream.

Synopsis

Element Information

plugin

rtp

author

Stian Selnes <stian@pexip.com>

class

Codec/Payloader/Network/RTP

Element Pads

name

sink

direction

sink

presence

always

details

video/x-h261

name

src

direction

source

presence

always

details

application/x-rtp, media=(string)video, payload=(int)31, clock-rate=(int)90000, encoding-name=(string)H261

application/x-rtp, media=(string)video, payload=(int)[ 96, 127 ], clock-rate=(int)90000, encoding-name=(string)H261

Functions

Types and Values

struct GstRtpH261Pay

struct GstRtpH261Pay;

See Also

rtph261depay

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