/* * libjingle * Copyright 2004 Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "talk/media/base/fakertp.h" #include "talk/media/base/rtputils.h" #include "webrtc/base/gunit.h" namespace cricket { static const unsigned char kRtpPacketWithMarker[] = { 0x80, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }; // 3 CSRCs (0x01020304, 0x12345678, 0xAABBCCDD) // Extension (0xBEDE, 0x1122334455667788) static const unsigned char kRtpPacketWithMarkerAndCsrcAndExtension[] = { 0x93, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x12, 0x34, 0x56, 0x78, 0xAA, 0xBB, 0xCC, 0xDD, 0xBE, 0xDE, 0x00, 0x02, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88 }; static const unsigned char kInvalidPacket[] = { 0x80, 0x00 }; static const unsigned char kInvalidPacketWithCsrc[] = { 0x83, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x12, 0x34, 0x56, 0x78, 0xAA, 0xBB, 0xCC }; static const unsigned char kInvalidPacketWithCsrcAndExtension1[] = { 0x93, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x12, 0x34, 0x56, 0x78, 0xAA, 0xBB, 0xCC, 0xDD, 0xBE, 0xDE, 0x00 }; static const unsigned char kInvalidPacketWithCsrcAndExtension2[] = { 0x93, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x12, 0x34, 0x56, 0x78, 0xAA, 0xBB, 0xCC, 0xDD, 0xBE, 0xDE, 0x00, 0x02, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }; // PT = 206, FMT = 1, Sender SSRC = 0x1111, Media SSRC = 0x1111 // No FCI information is needed for PLI. static const unsigned char kNonCompoundRtcpPliFeedbackPacket[] = { 0x81, 0xCE, 0x00, 0x0C, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x11, 0x11 }; // Packet has only mandatory fixed RTCP header // PT = 204, SSRC = 0x1111 static const unsigned char kNonCompoundRtcpAppPacket[] = { 0x81, 0xCC, 0x00, 0x0C, 0x00, 0x00, 0x11, 0x11 }; // PT = 202, Source count = 0 static const unsigned char kNonCompoundRtcpSDESPacket[] = { 0x80, 0xCA, 0x00, 0x00 }; TEST(RtpUtilsTest, GetRtp) { int ver; EXPECT_TRUE(GetRtpVersion(kPcmuFrame, sizeof(kPcmuFrame), &ver)); EXPECT_EQ(2, ver); int pt; EXPECT_TRUE(GetRtpPayloadType(kPcmuFrame, sizeof(kPcmuFrame), &pt)); EXPECT_EQ(0, pt); EXPECT_TRUE(GetRtpPayloadType(kRtpPacketWithMarker, sizeof(kRtpPacketWithMarker), &pt)); EXPECT_EQ(0, pt); int seq_num; EXPECT_TRUE(GetRtpSeqNum(kPcmuFrame, sizeof(kPcmuFrame), &seq_num)); EXPECT_EQ(1, seq_num); uint32 ts; EXPECT_TRUE(GetRtpTimestamp(kPcmuFrame, sizeof(kPcmuFrame), &ts)); EXPECT_EQ(0u, ts); uint32 ssrc; EXPECT_TRUE(GetRtpSsrc(kPcmuFrame, sizeof(kPcmuFrame), &ssrc)); EXPECT_EQ(1u, ssrc); RtpHeader header; EXPECT_TRUE(GetRtpHeader(kPcmuFrame, sizeof(kPcmuFrame), &header)); EXPECT_EQ(0, header.payload_type); EXPECT_EQ(1, header.seq_num); EXPECT_EQ(0u, header.timestamp); EXPECT_EQ(1u, header.ssrc); EXPECT_FALSE(GetRtpPayloadType(kInvalidPacket, sizeof(kInvalidPacket), &pt)); EXPECT_FALSE(GetRtpSeqNum(kInvalidPacket, sizeof(kInvalidPacket), &seq_num)); EXPECT_FALSE(GetRtpTimestamp(kInvalidPacket, sizeof(kInvalidPacket), &ts)); EXPECT_FALSE(GetRtpSsrc(kInvalidPacket, sizeof(kInvalidPacket), &ssrc)); } TEST(RtpUtilsTest, SetRtp) { unsigned char packet[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; EXPECT_TRUE(SetRtpHeaderFlags(packet, sizeof(packet), false, false, 0)); EXPECT_TRUE(SetRtpPayloadType(packet, sizeof(packet), 9u)); EXPECT_TRUE(SetRtpSeqNum(packet, sizeof(packet), 1111u)); EXPECT_TRUE(SetRtpTimestamp(packet, sizeof(packet), 2222u)); EXPECT_TRUE(SetRtpSsrc(packet, sizeof(packet), 3333u)); // Bits: 10 0 0 0000 EXPECT_EQ(128u, packet[0]); size_t len; EXPECT_TRUE(GetRtpHeaderLen(packet, sizeof(packet), &len)); EXPECT_EQ(12U, len); RtpHeader header; EXPECT_TRUE(GetRtpHeader(packet, sizeof(packet), &header)); EXPECT_EQ(9, header.payload_type); EXPECT_EQ(1111, header.seq_num); EXPECT_EQ(2222u, header.timestamp); EXPECT_EQ(3333u, header.ssrc); unsigned char packet2[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; EXPECT_TRUE(SetRtpHeader(packet2, sizeof(packet2), header)); // Bits: 10 0 0 0000 EXPECT_EQ(128u, packet2[0]); EXPECT_TRUE(GetRtpHeaderLen(packet2, sizeof(packet2), &len)); EXPECT_EQ(12U, len); EXPECT_TRUE(GetRtpHeader(packet2, sizeof(packet2), &header)); EXPECT_EQ(9, header.payload_type); EXPECT_EQ(1111, header.seq_num); EXPECT_EQ(2222u, header.timestamp); EXPECT_EQ(3333u, header.ssrc); } TEST(RtpUtilsTest, GetRtpHeaderLen) { size_t len; EXPECT_TRUE(GetRtpHeaderLen(kPcmuFrame, sizeof(kPcmuFrame), &len)); EXPECT_EQ(12U, len); EXPECT_TRUE(GetRtpHeaderLen(kRtpPacketWithMarkerAndCsrcAndExtension, sizeof(kRtpPacketWithMarkerAndCsrcAndExtension), &len)); EXPECT_EQ(sizeof(kRtpPacketWithMarkerAndCsrcAndExtension), len); EXPECT_FALSE(GetRtpHeaderLen(kInvalidPacket, sizeof(kInvalidPacket), &len)); EXPECT_FALSE(GetRtpHeaderLen(kInvalidPacketWithCsrc, sizeof(kInvalidPacketWithCsrc), &len)); EXPECT_FALSE(GetRtpHeaderLen(kInvalidPacketWithCsrcAndExtension1, sizeof(kInvalidPacketWithCsrcAndExtension1), &len)); EXPECT_FALSE(GetRtpHeaderLen(kInvalidPacketWithCsrcAndExtension2, sizeof(kInvalidPacketWithCsrcAndExtension2), &len)); } TEST(RtpUtilsTest, GetRtcp) { int pt; EXPECT_TRUE(GetRtcpType(kRtcpReport, sizeof(kRtcpReport), &pt)); EXPECT_EQ(0xc9, pt); EXPECT_FALSE(GetRtcpType(kInvalidPacket, sizeof(kInvalidPacket), &pt)); uint32 ssrc; EXPECT_TRUE(GetRtcpSsrc(kNonCompoundRtcpPliFeedbackPacket, sizeof(kNonCompoundRtcpPliFeedbackPacket), &ssrc)); EXPECT_TRUE(GetRtcpSsrc(kNonCompoundRtcpAppPacket, sizeof(kNonCompoundRtcpAppPacket), &ssrc)); EXPECT_FALSE(GetRtcpSsrc(kNonCompoundRtcpSDESPacket, sizeof(kNonCompoundRtcpSDESPacket), &ssrc)); } } // namespace cricket