Support encrypted RTP extensions (RFC 6904)

webrtc/media/base/fakertp.h

Index: webrtc/media/base/fakertp.h
diff --git a/webrtc/media/base/fakertp.h b/webrtc/media/base/fakertp.h
index a9c6fe01632654a3b93bce9a03c1975d29cf73bd..e96208a90577862719bf2fda5fec7211ee2dc771 100644
--- a/webrtc/media/base/fakertp.h
+++ b/webrtc/media/base/fakertp.h
@@ -40,6 +40,48 @@ static const unsigned char kPcmuFrame[] = {
   0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
 };
 
+// A typical PCMU RTP packet with header extensions.
+// PT=0, SN=1, TS=0, SSRC=1
+// all data FF
+static const unsigned char kPcmuWithExtensionsFrame[] = {

[Taylor Brandstetter, 2017/03/22 18:00:10]

nit: kPcmuFrameWithExtensions?

[joachim, 2017/03/23 00:04:32]

Done.

+  0x90, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+  // RFC 5285, section 4.2. One-Byte Header.
+  0xBE, 0xDE,
+  // Header extension length 6 * 32 bits.
+  0x00, 0x06,
+  // 8 bytes header id 1.
+  0x17, 0x41, 0x42, 0x73, 0xA4, 0x75, 0x26, 0x27, 0x48,
+  // 3 bytes header id 2.
+  0x22, 0x00, 0x00, 0xC8,
+  // 1 byte header id 3.
+  0x30, 0x8E,
+  // 7 bytes header id 4.
+  0x46, 0x55, 0x99, 0x63, 0x86, 0xB3, 0x95, 0xFB,
+  // 1 byte header padding.
+  0x00,
+  // Payload data.
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+};
+
 // A typical Receiver Report RTCP packet.
 // PT=RR, LN=1, SSRC=1
 // send SSRC=2, all other fields 0