tessl/pypi-aiortc

Python implementation of WebRTC and ORTC for real-time peer-to-peer communication

1.02x

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WebRTC Session Descriptor Parser and Builder

Name: tessl/pypi-aiortc
Rating: 0.87 (1 reviews)
Author: tessl

Build a session descriptor parser and builder utility that processes WebRTC session descriptions for a media streaming application. The utility should handle parsing existing session descriptions and creating new ones with proper formatting.

Capabilities

Parse Session Descriptions

Given an SDP string containing audio and video media sections, parse it and return a dictionary with 'type' and 'sdp' keys @test
Given an SDP string with VP8 video codec, extract the codec name and payload type from the video media section @test
Given an SDP string with ICE candidates in the media sections, extract all candidate strings @test

Build Session Descriptions

Create a new offer-type session description with audio and video media sections @test
Parse an existing SDP string, add a new ICE candidate to the first media section, and output the modified SDP string @test

Implementation

@generates

API

def parse_sdp(sdp_string: str) -> dict:
    """
    Parse an SDP string into a structured dictionary.

    Args:
        sdp_string: Session Description Protocol string to parse

    Returns:
        Dictionary with 'type' and 'sdp' keys, where 'sdp' contains parsed SDP object
    """
    pass

def get_codecs(sdp_object, media_type: str) -> list:
    """
    Extract codec information for a specific media type from parsed SDP.

    Args:
        sdp_object: Parsed SDP object
        media_type: Media type ('audio' or 'video')

    Returns:
        List of dictionaries containing codec 'name' and 'payload_type'
    """
    pass

def get_ice_candidates(sdp_object) -> list:
    """
    Extract all ICE candidates from parsed SDP.

    Args:
        sdp_object: Parsed SDP object

    Returns:
        List of ICE candidate strings
    """
    pass

def create_offer(media_types: list) -> str:
    """
    Create a new SDP offer with specified media types.

    Args:
        media_types: List of media types ('audio', 'video')

    Returns:
        SDP string formatted as an offer
    """
    pass

def add_ice_candidate_to_sdp(sdp_string: str, candidate: str, media_index: int = 0) -> str:
    """
    Add an ICE candidate to an SDP string.

    Args:
        sdp_string: Original SDP string
        candidate: ICE candidate string to add
        media_index: Index of media section to add candidate to (default 0)

    Returns:
        Modified SDP string with candidate added
    """
    pass

Dependencies { .dependencies }

aiortc { .dependency }

Provides WebRTC implementation including session description protocol support.

Install with Tessl CLI

npx tessl i tessl/pypi-aiortc