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Change RtpPacket class to parse header extension if exists

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Kekelic 2024-03-26 20:43:46 +01:00 committed by microkatz
parent b5db8a6cbe
commit 7dd428534e
1 changed files with 10 additions and 0 deletions
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10
libraries/exoplayer_rtsp/src/main/java/androidx/media3/exoplayer/rtsp/RtpPacket.java
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@ -143,6 +143,8 @@ public final class RtpPacket {
public static final int MIN_SEQUENCE_NUMBER = 0; public static final int MIN_SEQUENCE_NUMBER = 0;
public static final int MAX_SEQUENCE_NUMBER = 0xFFFF; public static final int MAX_SEQUENCE_NUMBER = 0xFFFF;
public static final int CSRC_SIZE = 4; public static final int CSRC_SIZE = 4;
public static final int EXTENSION_SIZE = 16;
/** Returns the next sequence number of the {@code sequenceNumber}. */ /** Returns the next sequence number of the {@code sequenceNumber}. */
public static int getNextSequenceNumber(int sequenceNumber) { public static int getNextSequenceNumber(int sequenceNumber) {
@ -205,6 +207,8 @@ public final class RtpPacket {
byte version = (byte) (firstByte >> 6); byte version = (byte) (firstByte >> 6);
boolean padding = ((firstByte >> 5) & 0x1) == 1; boolean padding = ((firstByte >> 5) & 0x1) == 1;
byte csrcCount = (byte) (firstByte & 0xF); byte csrcCount = (byte) (firstByte & 0xF);
boolean hasExtension = ((firstByte & 0x10) >> 4) == 1;
if (version != RTP_VERSION) { if (version != RTP_VERSION) {
return null; return null;
@ -233,6 +237,12 @@ public final class RtpPacket {
csrc = EMPTY; csrc = EMPTY;
} }
//Extension.
if (hasExtension){
byte[] extension = new byte[EXTENSION_SIZE];
packetBuffer.readBytes(extension, 0, EXTENSION_SIZE);
}
// Everything else will be RTP payload. // Everything else will be RTP payload.
byte[] payloadData = new byte[packetBuffer.bytesLeft()]; byte[] payloadData = new byte[packetBuffer.bytesLeft()];
packetBuffer.readBytes(payloadData, 0, packetBuffer.bytesLeft()); packetBuffer.readBytes(payloadData, 0, packetBuffer.bytesLeft());