| /* |
| * 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/session/media/bundlefilter.h" |
| #include "webrtc/base/gunit.h" |
| |
| using cricket::StreamParams; |
| |
| static const int kSsrc1 = 0x1111; |
| static const int kSsrc2 = 0x2222; |
| static const int kSsrc3 = 0x3333; |
| static const int kPayloadType1 = 0x11; |
| static const int kPayloadType2 = 0x22; |
| static const int kPayloadType3 = 0x33; |
| |
| // SSRC = 0x1111, Payload type = 0x11 |
| static const unsigned char kRtpPacketPt1Ssrc1[] = { |
| 0x80, kPayloadType1, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, |
| 0x11, |
| }; |
| |
| // SSRC = 0x2222, Payload type = 0x22 |
| static const unsigned char kRtpPacketPt2Ssrc2[] = { |
| 0x80, 0x80 + kPayloadType2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x22, 0x22, |
| }; |
| |
| // SSRC = 0x2222, Payload type = 0x33 |
| static const unsigned char kRtpPacketPt3Ssrc2[] = { |
| 0x80, kPayloadType3, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, |
| 0x22, |
| }; |
| |
| // PT = 200 = SR, len = 28, SSRC of sender = 0x0001 |
| // NTP TS = 0, RTP TS = 0, packet count = 0 |
| static const unsigned char kRtcpPacketSrSsrc01[] = { |
| 0x80, 0xC8, 0x00, 0x1B, 0x00, 0x00, 0x00, 0x01, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| |
| // PT = 200 = SR, len = 28, SSRC of sender = 0x2222 |
| // NTP TS = 0, RTP TS = 0, packet count = 0 |
| static const unsigned char kRtcpPacketSrSsrc2[] = { |
| 0x80, 0xC8, 0x00, 0x1B, 0x00, 0x00, 0x22, 0x22, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| |
| // First packet - SR = PT = 200, len = 0, SSRC of sender = 0x1111 |
| // NTP TS = 0, RTP TS = 0, packet count = 0 |
| // second packet - SDES = PT = 202, count = 0, SSRC = 0x1111, cname len = 0 |
| static const unsigned char kRtcpPacketCompoundSrSdesSsrc1[] = { |
| 0x80, 0xC8, 0x00, 0x01, 0x00, 0x00, 0x11, 0x11, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x81, 0xCA, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x01, 0x00, |
| }; |
| |
| // SDES = PT = 202, count = 0, SSRC = 0x2222, cname len = 0 |
| static const unsigned char kRtcpPacketSdesSsrc2[] = { |
| 0x81, 0xCA, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 0x00, |
| }; |
| |
| // Packet has only mandatory fixed RTCP header |
| static const unsigned char kRtcpPacketFixedHeaderOnly[] = { |
| 0x80, 0xC8, 0x00, 0x00, |
| }; |
| |
| // Small packet for SSRC demux. |
| static const unsigned char kRtcpPacketTooSmall[] = { |
| 0x80, 0xC8, 0x00, 0x00, 0x00, 0x00, |
| }; |
| |
| // PT = 206, FMT = 1, Sender SSRC = 0x1111, Media SSRC = 0x1111 |
| // No FCI information is needed for PLI. |
| static const unsigned char kRtcpPacketNonCompoundRtcpPliFeedback[] = { |
| 0x81, 0xCE, 0x00, 0x0C, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x11, 0x11, |
| }; |
| |
| // An SCTP packet. |
| static const unsigned char kSctpPacket[] = { |
| 0x00, 0x01, 0x00, 0x01, |
| 0xff, 0xff, 0xff, 0xff, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x03, 0x00, 0x00, 0x04, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| |
| TEST(BundleFilterTest, AddRemoveStreamTest) { |
| cricket::BundleFilter bundle_filter; |
| EXPECT_FALSE(bundle_filter.HasStreams()); |
| EXPECT_TRUE(bundle_filter.AddStream(StreamParams::CreateLegacy(kSsrc1))); |
| StreamParams stream2; |
| stream2.ssrcs.push_back(kSsrc2); |
| stream2.ssrcs.push_back(kSsrc3); |
| EXPECT_TRUE(bundle_filter.AddStream(stream2)); |
| |
| EXPECT_TRUE(bundle_filter.HasStreams()); |
| EXPECT_TRUE(bundle_filter.FindStream(kSsrc1)); |
| EXPECT_TRUE(bundle_filter.FindStream(kSsrc2)); |
| EXPECT_TRUE(bundle_filter.FindStream(kSsrc3)); |
| EXPECT_TRUE(bundle_filter.RemoveStream(kSsrc1)); |
| EXPECT_FALSE(bundle_filter.FindStream(kSsrc1)); |
| EXPECT_TRUE(bundle_filter.RemoveStream(kSsrc3)); |
| EXPECT_FALSE(bundle_filter.RemoveStream(kSsrc2)); // Already removed. |
| EXPECT_FALSE(bundle_filter.HasStreams()); |
| } |
| |
| TEST(BundleFilterTest, RtpPacketTest) { |
| cricket::BundleFilter bundle_filter; |
| bundle_filter.AddPayloadType(kPayloadType1); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt1Ssrc1), |
| sizeof(kRtpPacketPt1Ssrc1), false)); |
| bundle_filter.AddPayloadType(kPayloadType2); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt2Ssrc2), |
| sizeof(kRtpPacketPt2Ssrc2), false)); |
| |
| // Payload type 0x33 is not added. |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt3Ssrc2), |
| sizeof(kRtpPacketPt3Ssrc2), false)); |
| // Size is too small. |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt1Ssrc1), 11, false)); |
| |
| bundle_filter.ClearAllPayloadTypes(); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt1Ssrc1), |
| sizeof(kRtpPacketPt1Ssrc1), false)); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtpPacketPt2Ssrc2), |
| sizeof(kRtpPacketPt2Ssrc2), false)); |
| } |
| |
| TEST(BundleFilterTest, RtcpPacketTest) { |
| cricket::BundleFilter bundle_filter; |
| EXPECT_TRUE(bundle_filter.AddStream(StreamParams::CreateLegacy(kSsrc1))); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketCompoundSrSdesSsrc1), |
| sizeof(kRtcpPacketCompoundSrSdesSsrc1), true)); |
| EXPECT_TRUE(bundle_filter.AddStream(StreamParams::CreateLegacy(kSsrc2))); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSrSsrc2), |
| sizeof(kRtcpPacketSrSsrc2), true)); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSdesSsrc2), |
| sizeof(kRtcpPacketSdesSsrc2), true)); |
| EXPECT_TRUE(bundle_filter.RemoveStream(kSsrc2)); |
| // RTCP Packets other than SR and RR are demuxed regardless of SSRC. |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSdesSsrc2), |
| sizeof(kRtcpPacketSdesSsrc2), true)); |
| // RTCP Packets with 'special' SSRC 0x01 are demuxed also |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSrSsrc01), |
| sizeof(kRtcpPacketSrSsrc01), true)); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSrSsrc2), |
| sizeof(kRtcpPacketSrSsrc2), true)); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketFixedHeaderOnly), |
| sizeof(kRtcpPacketFixedHeaderOnly), true)); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketTooSmall), |
| sizeof(kRtcpPacketTooSmall), true)); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketNonCompoundRtcpPliFeedback), |
| sizeof(kRtcpPacketNonCompoundRtcpPliFeedback), true)); |
| // If the streams_ is empty, rtcp packet passes through |
| EXPECT_TRUE(bundle_filter.RemoveStream(kSsrc1)); |
| EXPECT_FALSE(bundle_filter.HasStreams()); |
| EXPECT_TRUE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kRtcpPacketSrSsrc2), |
| sizeof(kRtcpPacketSrSsrc2), true)); |
| } |
| |
| TEST(BundleFilterTest, InvalidRtpPacket) { |
| cricket::BundleFilter bundle_filter; |
| EXPECT_TRUE(bundle_filter.AddStream(StreamParams::CreateLegacy(kSsrc1))); |
| EXPECT_FALSE(bundle_filter.DemuxPacket( |
| reinterpret_cast<const char*>(kSctpPacket), |
| sizeof(kSctpPacket), false)); |
| } |