/* * Copyright (c) 2004 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. */ #include #include #include "webrtc/base/bytebuffer.h" #include "webrtc/base/gunit.h" #include "webrtc/base/thread.h" #include "webrtc/media/base/rtpdump.h" #include "webrtc/media/base/rtputils.h" #include "webrtc/media/base/testutils.h" namespace cricket { static const uint32_t kTestSsrc = 1; // Test that we read the correct header fields from the RTP/RTCP packet. TEST(RtpDumpTest, ReadRtpDumpPacket) { rtc::ByteBufferWriter rtp_buf; RtpTestUtility::kTestRawRtpPackets[0].WriteToByteBuffer(kTestSsrc, &rtp_buf); RtpDumpPacket rtp_packet(rtp_buf.Data(), rtp_buf.Length(), 0, false); int payload_type; int seq_num; uint32_t ts; uint32_t ssrc; int rtcp_type; EXPECT_FALSE(rtp_packet.is_rtcp()); EXPECT_TRUE(rtp_packet.IsValidRtpPacket()); EXPECT_FALSE(rtp_packet.IsValidRtcpPacket()); EXPECT_TRUE(rtp_packet.GetRtpPayloadType(&payload_type)); EXPECT_EQ(0, payload_type); EXPECT_TRUE(rtp_packet.GetRtpSeqNum(&seq_num)); EXPECT_EQ(0, seq_num); EXPECT_TRUE(rtp_packet.GetRtpTimestamp(&ts)); EXPECT_EQ(0U, ts); EXPECT_TRUE(rtp_packet.GetRtpSsrc(&ssrc)); EXPECT_EQ(kTestSsrc, ssrc); EXPECT_FALSE(rtp_packet.GetRtcpType(&rtcp_type)); rtc::ByteBufferWriter rtcp_buf; RtpTestUtility::kTestRawRtcpPackets[0].WriteToByteBuffer(&rtcp_buf); RtpDumpPacket rtcp_packet(rtcp_buf.Data(), rtcp_buf.Length(), 0, true); EXPECT_TRUE(rtcp_packet.is_rtcp()); EXPECT_FALSE(rtcp_packet.IsValidRtpPacket()); EXPECT_TRUE(rtcp_packet.IsValidRtcpPacket()); EXPECT_TRUE(rtcp_packet.GetRtcpType(&rtcp_type)); EXPECT_EQ(0, rtcp_type); } // Test that we read only the RTP dump file. TEST(RtpDumpTest, ReadRtpDumpFile) { RtpDumpPacket packet; rtc::MemoryStream stream; RtpDumpWriter writer(&stream); std::unique_ptr reader; // Write a RTP packet to the stream, which is a valid RTP dump. Next, we will // change the first line to make the RTP dump valid or invalid. ASSERT_TRUE(RtpTestUtility::WriteTestPackets(1, false, kTestSsrc, &writer)); stream.Rewind(); reader.reset(new RtpDumpReader(&stream)); EXPECT_EQ(rtc::SR_SUCCESS, reader->ReadPacket(&packet)); // The first line is correct. stream.Rewind(); const char new_line[] = "#!rtpplay1.0 1.1.1.1/1\n"; EXPECT_EQ(rtc::SR_SUCCESS, stream.WriteAll(new_line, strlen(new_line), NULL, NULL)); stream.Rewind(); reader.reset(new RtpDumpReader(&stream)); EXPECT_EQ(rtc::SR_SUCCESS, reader->ReadPacket(&packet)); // The first line is not correct: not started with #!rtpplay1.0. stream.Rewind(); const char new_line2[] = "#!rtpplaz1.0 0.0.0.0/0\n"; EXPECT_EQ(rtc::SR_SUCCESS, stream.WriteAll(new_line2, strlen(new_line2), NULL, NULL)); stream.Rewind(); reader.reset(new RtpDumpReader(&stream)); EXPECT_EQ(rtc::SR_ERROR, reader->ReadPacket(&packet)); // The first line is not correct: no port. stream.Rewind(); const char new_line3[] = "#!rtpplay1.0 0.0.0.0//\n"; EXPECT_EQ(rtc::SR_SUCCESS, stream.WriteAll(new_line3, strlen(new_line3), NULL, NULL)); stream.Rewind(); reader.reset(new RtpDumpReader(&stream)); EXPECT_EQ(rtc::SR_ERROR, reader->ReadPacket(&packet)); } // Test that we read the same RTP packets that rtp dump writes. TEST(RtpDumpTest, WriteReadSameRtp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), false, kTestSsrc, &writer)); EXPECT_TRUE(RtpTestUtility::VerifyTestPacketsFromStream( RtpTestUtility::GetTestPacketCount(), &stream, kTestSsrc)); // Check stream has only RtpTestUtility::GetTestPacketCount() packets. RtpDumpPacket packet; RtpDumpReader reader(&stream); for (size_t i = 0; i < RtpTestUtility::GetTestPacketCount(); ++i) { EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); uint32_t ssrc; EXPECT_TRUE(GetRtpSsrc(&packet.data[0], packet.data.size(), &ssrc)); EXPECT_EQ(kTestSsrc, ssrc); } // No more packets to read. EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); // Rewind the stream and read again with a specified ssrc. stream.Rewind(); RtpDumpReader reader_w_ssrc(&stream); const uint32_t send_ssrc = kTestSsrc + 1; reader_w_ssrc.SetSsrc(send_ssrc); for (size_t i = 0; i < RtpTestUtility::GetTestPacketCount(); ++i) { EXPECT_EQ(rtc::SR_SUCCESS, reader_w_ssrc.ReadPacket(&packet)); EXPECT_FALSE(packet.is_rtcp()); EXPECT_EQ(packet.original_data_len, packet.data.size()); uint32_t ssrc; EXPECT_TRUE(GetRtpSsrc(&packet.data[0], packet.data.size(), &ssrc)); EXPECT_EQ(send_ssrc, ssrc); } // No more packets to read. EXPECT_EQ(rtc::SR_EOS, reader_w_ssrc.ReadPacket(&packet)); } // Test that we read the same RTCP packets that rtp dump writes. TEST(RtpDumpTest, WriteReadSameRtcp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), true, kTestSsrc, &writer)); EXPECT_TRUE(RtpTestUtility::VerifyTestPacketsFromStream( RtpTestUtility::GetTestPacketCount(), &stream, kTestSsrc)); // Check stream has only RtpTestUtility::GetTestPacketCount() packets. RtpDumpPacket packet; RtpDumpReader reader(&stream); reader.SetSsrc(kTestSsrc + 1); // Does not affect RTCP packet. for (size_t i = 0; i < RtpTestUtility::GetTestPacketCount(); ++i) { EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); EXPECT_TRUE(packet.is_rtcp()); EXPECT_EQ(0U, packet.original_data_len); } // No more packets to read. EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); } // Test dumping only RTP packet headers. TEST(RtpDumpTest, WriteReadRtpHeadersOnly) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); writer.set_packet_filter(PF_RTPHEADER); // Write some RTP and RTCP packets. RTP packets should only have headers; // RTCP packets should be eaten. ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), false, kTestSsrc, &writer)); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), true, kTestSsrc, &writer)); stream.Rewind(); // Check that only RTP packet headers are present. RtpDumpPacket packet; RtpDumpReader reader(&stream); for (size_t i = 0; i < RtpTestUtility::GetTestPacketCount(); ++i) { EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); EXPECT_FALSE(packet.is_rtcp()); size_t len = 0; packet.GetRtpHeaderLen(&len); EXPECT_EQ(len, packet.data.size()); EXPECT_GT(packet.original_data_len, packet.data.size()); } // No more packets to read. EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); } // Test dumping only RTCP packets. TEST(RtpDumpTest, WriteReadRtcpOnly) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); writer.set_packet_filter(PF_RTCPPACKET); // Write some RTP and RTCP packets. RTP packets should be eaten. ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), false, kTestSsrc, &writer)); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), true, kTestSsrc, &writer)); stream.Rewind(); // Check that only RTCP packets are present. RtpDumpPacket packet; RtpDumpReader reader(&stream); for (size_t i = 0; i < RtpTestUtility::GetTestPacketCount(); ++i) { EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); EXPECT_TRUE(packet.is_rtcp()); EXPECT_EQ(0U, packet.original_data_len); } // No more packets to read. EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); } // Test that RtpDumpLoopReader reads RTP packets continously and the elapsed // time, the sequence number, and timestamp are maintained properly. TEST(RtpDumpTest, LoopReadRtp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), false, kTestSsrc, &writer)); EXPECT_TRUE(RtpTestUtility::VerifyTestPacketsFromStream( 3 * RtpTestUtility::GetTestPacketCount(), &stream, kTestSsrc)); } // Test that RtpDumpLoopReader reads RTCP packets continously and the elapsed // time is maintained properly. TEST(RtpDumpTest, LoopReadRtcp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets( RtpTestUtility::GetTestPacketCount(), true, kTestSsrc, &writer)); EXPECT_TRUE(RtpTestUtility::VerifyTestPacketsFromStream( 3 * RtpTestUtility::GetTestPacketCount(), &stream, kTestSsrc)); } // Test that RtpDumpLoopReader reads continously from stream with a single RTP // packets. TEST(RtpDumpTest, LoopReadSingleRtp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets(1, false, kTestSsrc, &writer)); // The regular reader can read only one packet. RtpDumpPacket packet; stream.Rewind(); RtpDumpReader reader(&stream); EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); // The loop reader reads three packets from the input stream. stream.Rewind(); RtpDumpLoopReader loop_reader(&stream); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); } // Test that RtpDumpLoopReader reads continously from stream with a single RTCP // packets. TEST(RtpDumpTest, LoopReadSingleRtcp) { rtc::MemoryStream stream; RtpDumpWriter writer(&stream); ASSERT_TRUE(RtpTestUtility::WriteTestPackets(1, true, kTestSsrc, &writer)); // The regular reader can read only one packet. RtpDumpPacket packet; stream.Rewind(); RtpDumpReader reader(&stream); EXPECT_EQ(rtc::SR_SUCCESS, reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_EOS, reader.ReadPacket(&packet)); // The loop reader reads three packets from the input stream. stream.Rewind(); RtpDumpLoopReader loop_reader(&stream); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); EXPECT_EQ(rtc::SR_SUCCESS, loop_reader.ReadPacket(&packet)); } } // namespace cricket