IPacketObserver

FOnReceiveAudioPacket

Occurs when the local user receives an audio packet.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnReceiveAudioPacket, const FPacket&, packet);

Parameters

packet: The received audio packet, see FPacket.

Returns

true: The audio packet is received successfully.
false: The audio packet is discarded.

FOnReceiveVideoPacket

Occurs when the local user receives a video packet.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnReceiveVideoPacket, const FPacket&, packet);

Parameters

packet: The received video packet, see FPacket.

Returns

true: The video packet is received successfully.
false: The video packet is discarded.

FOnSendAudioPacket

Occurs when the local user sends an audio packet.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnSendAudioPacket, const FPacket&, packet);

Parameters

packet: The sent audio packet, see FPacket.

Returns

true: The audio packet is sent successfully.
false: The audio packet is discarded.

FOnSendVideoPacket

Occurs when the local user sends a video packet.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnSendVideoPacket, const FPacket&, packet);

Parameters

packet: The sent video packet, see FPacket.

Returns

true: The video packet is sent successfully.
false: The video packet is discarded.

FOnStreamMessage

Occurs when the local user receives the data stream from the remote user.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_FiveParams(FOnStreamMessage, int64, userId, int, streamId, FString, data, int64, length, int, sentTs);

The SDK triggers this callback when the local user receives the stream message that the remote user sends by calling the SendStreamMessage method.

Parameters

userId: The ID of the remote user sending the message.
streamId: The stream ID of the received message.
data: The data received.
length: The data length (byte).
sentTs: The time when the data stream is sent.

FOnStreamMessageError

Occurs when the local user does not receive the data stream from the remote user.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_FiveParams(FOnStreamMessageError, int64, userId, int, streamId, int, code, int, missed, int, cached);

The SDK triggers this callback when the local user fails to receive the stream message that the remote user sends by calling the SendStreamMessage method.

Parameters

userId: The ID of the remote user sending the message.
streamId: The stream ID of the received message.
code: The error code. See .
missed: The number of lost messages.
cached: Number of incoming cached messages when the data stream is interrupted.

FOnUplinkNetworkInfoUpdated

Occurs when the uplink network information changes.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnUplinkNetworkInfoUpdated, const FUplinkNetworkInfo&, info);

The SDK triggers this callback when the uplink network information changes.

Attention: This callback only applies to scenarios where you push externally encoded video data in H.264 format to the SDK.

Parameters

info: The uplink network information. See FUplinkNetworkInfo.