o dif@stddlZddlmZddlmZddlmZmZmZddl m Z ddl m Z ddl mZeeZGd d d ZdS) N)Optional)get_capabilities)RTCRtpCodecCapabilityRTCRtpCodecParametersRTCRtpHeaderExtensionParameters)RTCRtpReceiver) RTCRtpSender) DIRECTIONSc @s4eZdZdZ d)dedededefddZed e efd d Z ed efd d Z e j ded dfdd Z ed efddZ ed e efddZed efddZed efddZed efddZdeed dfddZd*ddZded dfdd Zd!ed dfd"d#Zd e efd$d%Zd&ed dfd'd(ZdS)+RTCRtpTransceiverz The RTCRtpTransceiver interface describes a permanent pairing of an :class:`RTCRtpSender` and an :class:`RTCRtpReceiver`, along with some shared state. sendrecvkindreceiversender directioncCsRd|_||_||_d|_d|_||_||_d|_d|_g|_ d|_ g|_ g|_ dS)NF) $_RTCRtpTransceiver__currentDirection_RTCRtpTransceiver__direction_RTCRtpTransceiver__kind_RTCRtpTransceiver__mid_RTCRtpTransceiver__mline_index_RTCRtpTransceiver__receiver_RTCRtpTransceiver__sender_RTCRtpTransceiver__stopped_offerDirection_preferred_codecs_bundled_codecs_headerExtensions)selfr rrrrL/home/ubuntu/.local/lib/python3.10/site-packages/aiortc/rtcrtptransceiver.py__init__s zRTCRtpTransceiver.__init__returncC|jS)z The currently negotiated direction of the transceiver. One of `'sendrecv'`, `'sendonly'`, `'recvonly'`, `'inactive'` or `None`. )rrrrr currentDirection0sz"RTCRtpTransceiver.currentDirectioncCr#)z The preferred direction of the transceiver, which will be used in :meth:`RTCPeerConnection.createOffer` and :meth:`RTCPeerConnection.createAnswer`. One of `'sendrecv'`, `'sendonly'`, `'recvonly'` or `'inactive'`. )rr$rrr r9s zRTCRtpTransceiver.directionNcCs|tvsJ||_dSN)r rrrrrr rDs  cCr#r&)rr$rrr r IzRTCRtpTransceiver.kindcCr#r&rr$rrr midMr(zRTCRtpTransceiver.midcCr#)zi The :class:`RTCRtpReceiver` that handles receiving and decoding incoming media. )rr$rrr rQzRTCRtpTransceiver.receivercCr#)zq The :class:`RTCRtpSender` responsible for encoding and sending data to the remote peer. )rr$rrr rYr+zRTCRtpTransceiver.sendercCr#r&)rr$rrr stoppedar(zRTCRtpTransceiver.stoppedcodecscCsV|sg|_t|jj}g}t|D]}||vrtd||vr%|d|q||_dS)aa Override the default codec preferences. See :meth:`RTCRtpSender.getCapabilities` and :meth:`RTCRtpReceiver.getCapabilities` for the supported codecs. :param codecs: A list of :class:`RTCRtpCodecCapability`, in decreasing order of preference. If empty, restores the default preferences. zCodec is not in capabilitiesrN)rrr r-reversed ValueErrorinsert)rr- capabilitiesuniquecodecrrr setCodecPreferenceses     z%RTCRtpTransceiver.setCodecPreferencescs,|jIdH|jIdHd|_dS)zC Permanently stops the :class:`RTCRtpTransceiver`. NT)rstoprrr$rrr r5{s zRTCRtpTransceiver.stopcCsz||_|dkrd|j_d|j_dS|dkrd|j_d|j_dS|dkr-d|j_d|j_dS|dkr;d|j_d|j_dSdS)Nr TsendonlyFrecvonlyinactive)rr_enabledrr'rrr _setCurrentDirections    z&RTCRtpTransceiver._setCurrentDirectionr*cC ||_dSr&r))rr*rrr _set_mid zRTCRtpTransceiver._set_midcCr#r&rr$rrr _get_mline_indexsz"RTCRtpTransceiver._get_mline_indexidxcCr;r&r>)rr@rrr _set_mline_indexr=z"RTCRtpTransceiver._set_mline_index)r )r"N)__name__ __module__ __qualname____doc__strrr r!propertyrr%rsetterr r*rrboolr,listrr4r5r:r<intr?rArrrr r sD    r )loggingtypingrr-rrtcrtpparametersrrrrtcrtpreceiverr rtcrtpsenderr sdpr getLoggerrBloggerr rrrr s