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/**
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.telephony.imsmedia;
import android.annotation.IntDef;
import android.hardware.radio.ims.media.RtpError;
import android.os.IBinder;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Implemented by classes that encapsulates RTP session eg. Audio, Video or RTT
*
* Use the instanceof keyword to determine the underlying type.
*
* @hide
*/
public interface ImsMediaSession {
int SESSION_TYPE_AUDIO = 0;
int SESSION_TYPE_VIDEO = 1;
int SESSION_TYPE_RTT = 2;
/** @hide */
@IntDef(value = {
SESSION_TYPE_AUDIO,
SESSION_TYPE_VIDEO,
SESSION_TYPE_RTT,
})
@Retention(RetentionPolicy.SOURCE)
public @interface SessionType {
}
@Retention(RetentionPolicy.SOURCE)
public @interface SessionState {
}
/** Real Time Protocol, see RFC 3550 */
int PACKET_TYPE_RTP = 0;
/** Real Time Control Protocol, see RFC 3550 */
int PACKET_TYPE_RTCP = 1;
/** @hide */
@IntDef(value = {
PACKET_TYPE_RTP,
PACKET_TYPE_RTCP,
})
@Retention(RetentionPolicy.SOURCE)
public @interface PacketType {
}
/** Result of a session operation is successful */
int RESULT_SUCCESS = RtpError.NONE;
/** Failed because of invalid parameters passed in the request */
int RESULT_INVALID_PARAM = RtpError.INVALID_PARAM;
/** The RTP stack is not ready to handle the request */
int RESULT_NOT_READY = RtpError.NOT_READY;
/** Unable to handle the request due to memory allocation failure */
int RESULT_NO_MEMORY = RtpError.NO_MEMORY;
/**
* Unable to handle the request due to no sufficient resources such as audio, codec
*/
int RESULT_NO_RESOURCES = RtpError.NO_RESOURCES;
/** The requested port number is not available */
int RESULT_PORT_UNAVAILABLE = RtpError.PORT_UNAVAILABLE;
/** The request is not supported by the vendor implementation */
int RESULT_NOT_SUPPORTED = RtpError.NOT_SUPPORTED;
/** @hide */
@IntDef(value = {
RESULT_SUCCESS,
RESULT_INVALID_PARAM,
RESULT_NOT_READY,
RESULT_NO_MEMORY,
RESULT_NO_RESOURCES,
RESULT_PORT_UNAVAILABLE,
RESULT_NOT_SUPPORTED,
})
@Retention(RetentionPolicy.SOURCE)
public @interface SessionOperationResult {
}
/** @hide */
public IBinder getBinder();
/** Returns the unique session identifier */
public int getSessionId();
/**
* Modifies the configuration of the RTP session after the session is opened. It can be used to
* modify the direction, access network, codec parameters, {@link RtcpConfig}, remote address
* and remote port number. The service will apply if anything changed in this invocation
* compared to previous and respond the updated {@link RtpConfig} in
* {@link ImsMediaSession#onModifySessionResponse()} API.
*
* @param config provides remote end point info and codec details
*/
void modifySession(final RtpConfig config);
/**
* Sets the media quality threshold parameters of the session to get
* media quality notifications.
*
* @param threshold media quality thresholds for various quality
* parameters
*/
void setMediaQualityThreshold(final MediaQualityThreshold threshold);
}
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