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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/memory/scoped_ptr.h" | 5 #include "base/memory/scoped_ptr.h" |
| 6 #include "base/rand_util.h" | 6 #include "base/rand_util.h" |
| 7 #include "media/cast/net/rtp/rtp_defines.h" | 7 #include "media/cast/net/rtp/rtp_defines.h" |
| 8 #include "media/cast/net/rtp/rtp_packet_builder.h" | 8 #include "media/cast/net/rtp/rtp_packet_builder.h" |
| 9 #include "media/cast/net/rtp/rtp_parser.h" | 9 #include "media/cast/net/rtp/rtp_parser.h" |
| 10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
| 11 | 11 |
| 12 namespace media { | 12 namespace media { |
| 13 namespace cast { | 13 namespace cast { |
| 14 | 14 |
| 15 static const size_t kPacketLength = 1500; | 15 static const size_t kPacketLength = 1500; |
| 16 static const int kTestPayloadType = 127; | 16 static const int kTestPayloadType = 127; |
| 17 static const uint32 kTestSsrc = 1234; | 17 static const uint32_t kTestSsrc = 1234; |
| 18 static const uint32 kTestTimestamp = 111111; | 18 static const uint32_t kTestTimestamp = 111111; |
| 19 static const uint16 kTestSeqNum = 4321; | 19 static const uint16_t kTestSeqNum = 4321; |
| 20 static const uint8 kRefFrameId = 17; | 20 static const uint8_t kRefFrameId = 17; |
| 21 | 21 |
| 22 class RtpParserTest : public ::testing::Test { | 22 class RtpParserTest : public ::testing::Test { |
| 23 protected: | 23 protected: |
| 24 RtpParserTest() : rtp_parser_(kTestSsrc, kTestPayloadType) { | 24 RtpParserTest() : rtp_parser_(kTestSsrc, kTestPayloadType) { |
| 25 packet_builder_.SetSsrc(kTestSsrc); | 25 packet_builder_.SetSsrc(kTestSsrc); |
| 26 packet_builder_.SetSequenceNumber(kTestSeqNum); | 26 packet_builder_.SetSequenceNumber(kTestSeqNum); |
| 27 packet_builder_.SetTimestamp(kTestTimestamp); | 27 packet_builder_.SetTimestamp(kTestTimestamp); |
| 28 packet_builder_.SetPayloadType(kTestPayloadType); | 28 packet_builder_.SetPayloadType(kTestPayloadType); |
| 29 packet_builder_.SetMarkerBit(true); // Only one packet. | 29 packet_builder_.SetMarkerBit(true); // Only one packet. |
| 30 cast_header_.sender_ssrc = kTestSsrc; | 30 cast_header_.sender_ssrc = kTestSsrc; |
| 31 cast_header_.sequence_number = kTestSeqNum; | 31 cast_header_.sequence_number = kTestSeqNum; |
| 32 cast_header_.rtp_timestamp = kTestTimestamp; | 32 cast_header_.rtp_timestamp = kTestTimestamp; |
| 33 cast_header_.payload_type = kTestPayloadType; | 33 cast_header_.payload_type = kTestPayloadType; |
| 34 cast_header_.marker = true; | 34 cast_header_.marker = true; |
| 35 } | 35 } |
| 36 | 36 |
| 37 ~RtpParserTest() override {} | 37 ~RtpParserTest() override {} |
| 38 | 38 |
| 39 void ExpectParsesPacket() { | 39 void ExpectParsesPacket() { |
| 40 RtpCastHeader parsed_header; | 40 RtpCastHeader parsed_header; |
| 41 const uint8* payload = NULL; | 41 const uint8_t* payload = NULL; |
| 42 size_t payload_size = static_cast<size_t>(-1); | 42 size_t payload_size = static_cast<size_t>(-1); |
| 43 EXPECT_TRUE(rtp_parser_.ParsePacket( | 43 EXPECT_TRUE(rtp_parser_.ParsePacket( |
| 44 packet_, kPacketLength, &parsed_header, &payload, &payload_size)); | 44 packet_, kPacketLength, &parsed_header, &payload, &payload_size)); |
| 45 | 45 |
| 46 EXPECT_EQ(cast_header_.marker, parsed_header.marker); | 46 EXPECT_EQ(cast_header_.marker, parsed_header.marker); |
| 47 EXPECT_EQ(cast_header_.payload_type, parsed_header.payload_type); | 47 EXPECT_EQ(cast_header_.payload_type, parsed_header.payload_type); |
| 48 EXPECT_EQ(cast_header_.sequence_number, parsed_header.sequence_number); | 48 EXPECT_EQ(cast_header_.sequence_number, parsed_header.sequence_number); |
| 49 EXPECT_EQ(cast_header_.rtp_timestamp, parsed_header.rtp_timestamp); | 49 EXPECT_EQ(cast_header_.rtp_timestamp, parsed_header.rtp_timestamp); |
| 50 EXPECT_EQ(cast_header_.sender_ssrc, parsed_header.sender_ssrc); | 50 EXPECT_EQ(cast_header_.sender_ssrc, parsed_header.sender_ssrc); |
| 51 | 51 |
| 52 EXPECT_EQ(cast_header_.is_key_frame, parsed_header.is_key_frame); | 52 EXPECT_EQ(cast_header_.is_key_frame, parsed_header.is_key_frame); |
| 53 EXPECT_EQ(cast_header_.frame_id, parsed_header.frame_id); | 53 EXPECT_EQ(cast_header_.frame_id, parsed_header.frame_id); |
| 54 EXPECT_EQ(cast_header_.packet_id, parsed_header.packet_id); | 54 EXPECT_EQ(cast_header_.packet_id, parsed_header.packet_id); |
| 55 EXPECT_EQ(cast_header_.max_packet_id, parsed_header.max_packet_id); | 55 EXPECT_EQ(cast_header_.max_packet_id, parsed_header.max_packet_id); |
| 56 EXPECT_EQ(cast_header_.reference_frame_id, | 56 EXPECT_EQ(cast_header_.reference_frame_id, |
| 57 parsed_header.reference_frame_id); | 57 parsed_header.reference_frame_id); |
| 58 | 58 |
| 59 EXPECT_TRUE(payload); | 59 EXPECT_TRUE(payload); |
| 60 EXPECT_NE(static_cast<size_t>(-1), payload_size); | 60 EXPECT_NE(static_cast<size_t>(-1), payload_size); |
| 61 } | 61 } |
| 62 | 62 |
| 63 void ExpectDoesNotParsePacket() { | 63 void ExpectDoesNotParsePacket() { |
| 64 RtpCastHeader parsed_header; | 64 RtpCastHeader parsed_header; |
| 65 const uint8* payload = NULL; | 65 const uint8_t* payload = NULL; |
| 66 size_t payload_size = static_cast<size_t>(-1); | 66 size_t payload_size = static_cast<size_t>(-1); |
| 67 EXPECT_FALSE(rtp_parser_.ParsePacket( | 67 EXPECT_FALSE(rtp_parser_.ParsePacket( |
| 68 packet_, kPacketLength, &parsed_header, &payload, &payload_size)); | 68 packet_, kPacketLength, &parsed_header, &payload, &payload_size)); |
| 69 } | 69 } |
| 70 | 70 |
| 71 RtpPacketBuilder packet_builder_; | 71 RtpPacketBuilder packet_builder_; |
| 72 uint8 packet_[kPacketLength]; | 72 uint8_t packet_[kPacketLength]; |
| 73 RtpParser rtp_parser_; | 73 RtpParser rtp_parser_; |
| 74 RtpCastHeader cast_header_; | 74 RtpCastHeader cast_header_; |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 TEST_F(RtpParserTest, ParseDefaultCastPacket) { | 77 TEST_F(RtpParserTest, ParseDefaultCastPacket) { |
| 78 packet_builder_.BuildHeader(packet_, kPacketLength); | 78 packet_builder_.BuildHeader(packet_, kPacketLength); |
| 79 ExpectParsesPacket(); | 79 ExpectParsesPacket(); |
| 80 } | 80 } |
| 81 | 81 |
| 82 TEST_F(RtpParserTest, ParseNonDefaultCastPacket) { | 82 TEST_F(RtpParserTest, ParseNonDefaultCastPacket) { |
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| 157 | 157 |
| 158 TEST_F(RtpParserTest, ParseCastPacketWithSpecificFrameReference) { | 158 TEST_F(RtpParserTest, ParseCastPacketWithSpecificFrameReference) { |
| 159 packet_builder_.SetFrameIds(kRefFrameId + 3, kRefFrameId); | 159 packet_builder_.SetFrameIds(kRefFrameId + 3, kRefFrameId); |
| 160 packet_builder_.BuildHeader(packet_, kPacketLength); | 160 packet_builder_.BuildHeader(packet_, kPacketLength); |
| 161 cast_header_.frame_id = kRefFrameId + 3; | 161 cast_header_.frame_id = kRefFrameId + 3; |
| 162 cast_header_.reference_frame_id = kRefFrameId; | 162 cast_header_.reference_frame_id = kRefFrameId; |
| 163 ExpectParsesPacket(); | 163 ExpectParsesPacket(); |
| 164 } | 164 } |
| 165 | 165 |
| 166 TEST_F(RtpParserTest, ParseExpandingFrameIdTo32Bits) { | 166 TEST_F(RtpParserTest, ParseExpandingFrameIdTo32Bits) { |
| 167 const uint32 kMaxFrameId = 1000; | 167 const uint32_t kMaxFrameId = 1000; |
| 168 packet_builder_.SetKeyFrame(true); | 168 packet_builder_.SetKeyFrame(true); |
| 169 cast_header_.is_key_frame = true; | 169 cast_header_.is_key_frame = true; |
| 170 for (uint32 frame_id = 0; frame_id <= kMaxFrameId; ++frame_id) { | 170 for (uint32_t frame_id = 0; frame_id <= kMaxFrameId; ++frame_id) { |
| 171 packet_builder_.SetFrameIds(frame_id, frame_id); | 171 packet_builder_.SetFrameIds(frame_id, frame_id); |
| 172 packet_builder_.BuildHeader(packet_, kPacketLength); | 172 packet_builder_.BuildHeader(packet_, kPacketLength); |
| 173 cast_header_.frame_id = frame_id; | 173 cast_header_.frame_id = frame_id; |
| 174 cast_header_.reference_frame_id = frame_id; | 174 cast_header_.reference_frame_id = frame_id; |
| 175 ExpectParsesPacket(); | 175 ExpectParsesPacket(); |
| 176 } | 176 } |
| 177 } | 177 } |
| 178 | 178 |
| 179 TEST_F(RtpParserTest, ParseExpandingReferenceFrameIdTo32Bits) { | 179 TEST_F(RtpParserTest, ParseExpandingReferenceFrameIdTo32Bits) { |
| 180 const uint32 kMaxFrameId = 1000; | 180 const uint32_t kMaxFrameId = 1000; |
| 181 const uint32 kMaxBackReferenceOffset = 10; | 181 const uint32_t kMaxBackReferenceOffset = 10; |
| 182 packet_builder_.SetKeyFrame(false); | 182 packet_builder_.SetKeyFrame(false); |
| 183 cast_header_.is_key_frame = false; | 183 cast_header_.is_key_frame = false; |
| 184 for (uint32 frame_id = kMaxBackReferenceOffset; | 184 for (uint32_t frame_id = kMaxBackReferenceOffset; frame_id <= kMaxFrameId; |
| 185 frame_id <= kMaxFrameId; ++frame_id) { | 185 ++frame_id) { |
| 186 const uint32 reference_frame_id = | 186 const uint32_t reference_frame_id = |
| 187 frame_id - base::RandInt(1, kMaxBackReferenceOffset); | 187 frame_id - base::RandInt(1, kMaxBackReferenceOffset); |
| 188 packet_builder_.SetFrameIds(frame_id, reference_frame_id); | 188 packet_builder_.SetFrameIds(frame_id, reference_frame_id); |
| 189 packet_builder_.BuildHeader(packet_, kPacketLength); | 189 packet_builder_.BuildHeader(packet_, kPacketLength); |
| 190 cast_header_.frame_id = frame_id; | 190 cast_header_.frame_id = frame_id; |
| 191 cast_header_.reference_frame_id = reference_frame_id; | 191 cast_header_.reference_frame_id = reference_frame_id; |
| 192 ExpectParsesPacket(); | 192 ExpectParsesPacket(); |
| 193 } | 193 } |
| 194 } | 194 } |
| 195 | 195 |
| 196 } // namespace cast | 196 } // namespace cast |
| 197 } // namespace media | 197 } // namespace media |
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