import { SdkVideoCodecCapability } from '../signalingprotocol/SignalingProtocol';
import { Eq } from '../utils/Types';
/**
 * `VideoCodecCapability` represents a higher level type to wrap `RTCRtpCodec`
 * and the codec name used in the SDP, while also namespacing static create functions
 * for codecs supported in the SDK.
 *
 * Note that `codecName` is different then `codecCapability.mimeType`
 */
export default class VideoCodecCapability implements Eq {
    readonly codecName: string;
    readonly codecCapability: RTCRtpCodec;
    constructor(codecName: string, codecCapability: RTCRtpCodec);
    equals(other: this): boolean;
    /**
     * Returns whether the codec capability fmtp line matches. This will not
     * attempt to match H.264 profile levels (e.g. 5.2, 3.1), see internal comments for
     * more detailed information. This function takes care of checking for an
     * expected payload type as well.
     *
     * This function is meant to only be used internally.
     */
    fmtpLineMatches(line: string, expectedPayloadType: number): boolean;
    /**
     * Helper function to clean up the FMTP line by removing unnecessary parameters
     * and normalizing certain codec-specific attributes.
     */
    private cleanupFmtpLine;
    /**
     * Returns the configuration of VP8 supported by the SDK
     */
    static vp8(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 Baseline Profile supported by the SDK.
     *
     * This profile is more likely to use hardware for encode on most browsers
     * then constrained baseline profile.
     */
    static h264BaselineProfile(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 CBP supported by the SDK.
     *
     * This profile is required in all WebRTC implementations and typically
     * uses software for the encode for stability. Hardware decode is common.
     */
    static h264ConstrainedBaselineProfile(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 Main Profile supported by the SDK
     *
     * This profile is more likely to use hardware for encode on most browsers
     * then constrained baseline profile. It may have modest quality/bitrate improvements
     * over baseline/constrained baseline profile.
     */
    static h264MainProfile(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 High Profile supported by the SDK.
     *
     * Currently most browsers do not have software fallback for high profile
     * which may impact stability. Its usage should be done with caution.
     *
     * On MacOS, until https://bugs.chromium.org/p/chromium/issues/detail?id=1520287 is
     * resolved, receivers will fail to allocate the decoder for this profile if the sender switches away and back
     * to this codec (e.g. fallback for a Firefox receiver, and then recovery when the Firefox
     * receiver leaves).
     *
     * If you expect a decent amount of iOS safari traffic, you should include `h264ConstrainedHighProfile` in your
     * preferences as well. It will be forwarded as High profile to receivers that negotiated High but not Constrained
     * High
     */
    static h264HighProfile(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 Constrained High Profile supported by the SDK
     *
     * This is currently only used on Safari. The same notes on H.264 High Profile apply to this
     * codec.
     */
    static h264ConstrainedHighProfile(): VideoCodecCapability;
    /**
     * Returns the configuration of H.264 recommended by the SDK for maximum compatability.
     */
    static h264(): VideoCodecCapability;
    /**
     * Returns the configuration of VP9 profile 0 supported by the SDK.
     * Profile 0 is for use with 8-bit source content.
     */
    static vp9Profile0(): VideoCodecCapability;
    /**
     * Returns the configuration of AV1 recommended by the SDK
     */
    static vp9(): VideoCodecCapability;
    /**
     * Returns the configuration of AV1 main profile used by the SDK
     */
    static av1Main(): VideoCodecCapability;
    /**
     * Returns the configuration of AV1 recommended by the SDK
     */
    static av1(): VideoCodecCapability;
    /**
     * Returns the configuration of codec corresponding to the signaled capability
     */
    static fromSignaled(capability: SdkVideoCodecCapability): VideoCodecCapability | undefined;
}