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/*
* Copyright 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
package org.webrtc;
import java.util.List;
import java.util.Map;
import javax.annotation.Nullable;
/**
* The parameters for an {@code RtpSender}, as defined in
* http://w3c.github.io/webrtc-pc/#rtcrtpsender-interface.
*
* Note: These structures use nullable Integer/etc. types because in the
* future, they may be used to construct ORTC RtpSender/RtpReceivers, in
* which case "null" will be used to represent "choose the implementation
* default value".
*/
public class RtpParameters {
public static class Encoding {
// If non-null, this represents the RID that identifies this encoding layer.
// RIDs are used to identify layers in simulcast.
@Nullable public String rid;
// Set to true to cause this encoding to be sent, and false for it not to
// be sent.
public boolean active = true;
// If non-null, this represents the Transport Independent Application
// Specific maximum bandwidth defined in RFC3890. If null, there is no
// maximum bitrate.
@Nullable public Integer maxBitrateBps;
// The minimum bitrate in bps for video.
@Nullable public Integer minBitrateBps;
// The max framerate in fps for video.
@Nullable public Integer maxFramerate;
// The number of temporal layers for video.
@Nullable public Integer numTemporalLayers;
// If non-null, scale the width and height down by this factor for video. If null,
// implementation default scaling factor will be used.
@Nullable public Double scaleResolutionDownBy;
// SSRC to be used by this encoding.
// Can't be changed between getParameters/setParameters.
public Long ssrc;
// This constructor is useful for creating simulcast layers.
Encoding(String rid, boolean active, Double scaleResolutionDownBy) {
this.rid = rid;
this.active = active;
this.scaleResolutionDownBy = scaleResolutionDownBy;
}
@CalledByNative("Encoding")
Encoding(String rid, boolean active, Integer maxBitrateBps, Integer minBitrateBps,
Integer maxFramerate, Integer numTemporalLayers, Double scaleResolutionDownBy, Long ssrc) {
this.rid = rid;
this.active = active;
this.maxBitrateBps = maxBitrateBps;
this.minBitrateBps = minBitrateBps;
this.maxFramerate = maxFramerate;
this.numTemporalLayers = numTemporalLayers;
this.scaleResolutionDownBy = scaleResolutionDownBy;
this.ssrc = ssrc;
}
@Nullable
@CalledByNative("Encoding")
String getRid() {
return rid;
}
@CalledByNative("Encoding")
boolean getActive() {
return active;
}
@Nullable
@CalledByNative("Encoding")
Integer getMaxBitrateBps() {
return maxBitrateBps;
}
@Nullable
@CalledByNative("Encoding")
Integer getMinBitrateBps() {
return minBitrateBps;
}
@Nullable
@CalledByNative("Encoding")
Integer getMaxFramerate() {
return maxFramerate;
}
@Nullable
@CalledByNative("Encoding")
Integer getNumTemporalLayers() {
return numTemporalLayers;
}
@Nullable
@CalledByNative("Encoding")
Double getScaleResolutionDownBy() {
return scaleResolutionDownBy;
}
@CalledByNative("Encoding")
Long getSsrc() {
return ssrc;
}
}
public static class Codec {
// Payload type used to identify this codec in RTP packets.
public int payloadType;
// Name used to identify the codec. Equivalent to MIME subtype.
public String name;
// The media type of this codec. Equivalent to MIME top-level type.
MediaStreamTrack.MediaType kind;
// Clock rate in Hertz.
public Integer clockRate;
// The number of audio channels used. Set to null for video codecs.
public Integer numChannels;
// The "format specific parameters" field from the "a=fmtp" line in the SDP
public Map parameters;
@CalledByNative("Codec")
Codec(int payloadType, String name, MediaStreamTrack.MediaType kind, Integer clockRate,
Integer numChannels, Map parameters) {
this.payloadType = payloadType;
this.name = name;
this.kind = kind;
this.clockRate = clockRate;
this.numChannels = numChannels;
this.parameters = parameters;
}
@CalledByNative("Codec")
int getPayloadType() {
return payloadType;
}
@CalledByNative("Codec")
String getName() {
return name;
}
@CalledByNative("Codec")
MediaStreamTrack.MediaType getKind() {
return kind;
}
@CalledByNative("Codec")
Integer getClockRate() {
return clockRate;
}
@CalledByNative("Codec")
Integer getNumChannels() {
return numChannels;
}
@CalledByNative("Codec")
Map getParameters() {
return parameters;
}
}
public static class Rtcp {
/** The Canonical Name used by RTCP */
private final String cname;
/** Whether reduced size RTCP is configured or compound RTCP */
private final boolean reducedSize;
@CalledByNative("Rtcp")
Rtcp(String cname, boolean reducedSize) {
this.cname = cname;
this.reducedSize = reducedSize;
}
@CalledByNative("Rtcp")
public String getCname() {
return cname;
}
@CalledByNative("Rtcp")
public boolean getReducedSize() {
return reducedSize;
}
}
public static class HeaderExtension {
/** The URI of the RTP header extension, as defined in RFC5285. */
private final String uri;
/** The value put in the RTP packet to identify the header extension. */
private final int id;
/** Whether the header extension is encrypted or not. */
private final boolean encrypted;
@CalledByNative("HeaderExtension")
HeaderExtension(String uri, int id, boolean encrypted) {
this.uri = uri;
this.id = id;
this.encrypted = encrypted;
}
@CalledByNative("HeaderExtension")
public String getUri() {
return uri;
}
@CalledByNative("HeaderExtension")
public int getId() {
return id;
}
@CalledByNative("HeaderExtension")
public boolean getEncrypted() {
return encrypted;
}
}
public final String transactionId;
private final Rtcp rtcp;
private final List headerExtensions;
public final List encodings;
// Codec parameters can't currently be changed between getParameters and
// setParameters. Though in the future it will be possible to reorder them or
// remove them.
public final List codecs;
@CalledByNative
RtpParameters(String transactionId, Rtcp rtcp, List headerExtensions,
List encodings, List codecs) {
this.transactionId = transactionId;
this.rtcp = rtcp;
this.headerExtensions = headerExtensions;
this.encodings = encodings;
this.codecs = codecs;
}
@CalledByNative
String getTransactionId() {
return transactionId;
}
@CalledByNative
public Rtcp getRtcp() {
return rtcp;
}
@CalledByNative
public List getHeaderExtensions() {
return headerExtensions;
}
@CalledByNative
List getEncodings() {
return encodings;
}
@CalledByNative
List getCodecs() {
return codecs;
}
}