/**
 * SEI Data Extractor for Agora.
 *
 * Extracts animation data from Agora's H.264 SEI events.
 *
 * SEI Packet Format:
 * ```
 * [1B flags][4B msgLen (LE)][msgLen bytes compressed data]
 * ```
 *
 * Packet Flags:
 * - 0x01: Idle (no payload)
 * - 0x02: Start (first frame of session)
 * - 0x04: End (last frame of session)
 * - 0x08: Gzipped (payload is zlib compressed)
 * - 0x10: Transition (transition from idle to animation)
 * - 0x20: TransitionEnd (transition from animation back to idle)
 *
 * Key differences from LiveKit VP8Extractor:
 * - No VP8 header parsing needed
 * - No ALR (Application-Level Redundancy) - Agora handles reliability
 * - Uses native SEI events instead of RTCRtpScriptTransform
 * - Requires EBSP to RBSP conversion (H.264 emulation prevention byte removal)
 *
 * @internal
 * @packageDocumentation
 */
export {};
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