| /* |
| * Copyright (c) 2014 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 <vector> |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/base/scoped_ptr.h" |
| #include "webrtc/modules/interface/module_common_types.h" |
| #include "webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtp_format.h" |
| |
| namespace webrtc { |
| namespace { |
| const size_t kMaxPayloadSize = 1200; |
| const size_t kLengthFieldLength = 2; |
| |
| enum Nalu { |
| kSlice = 1, |
| kIdr = 5, |
| kSei = 6, |
| kSps = 7, |
| kPps = 8, |
| kStapA = 24, |
| kFuA = 28 |
| }; |
| |
| static const size_t kNalHeaderSize = 1; |
| static const size_t kFuAHeaderSize = 2; |
| |
| // Bit masks for FU (A and B) indicators. |
| enum NalDefs { kFBit = 0x80, kNriMask = 0x60, kTypeMask = 0x1F }; |
| |
| // Bit masks for FU (A and B) headers. |
| enum FuDefs { kSBit = 0x80, kEBit = 0x40, kRBit = 0x20 }; |
| |
| void VerifyFua(size_t fua_index, |
| const uint8_t* expected_payload, |
| int offset, |
| const uint8_t* packet, |
| size_t length, |
| const std::vector<size_t>& expected_sizes) { |
| ASSERT_EQ(expected_sizes[fua_index] + kFuAHeaderSize, length) |
| << "FUA index: " << fua_index; |
| const uint8_t kFuIndicator = 0x1C; // F=0, NRI=0, Type=28. |
| EXPECT_EQ(kFuIndicator, packet[0]) << "FUA index: " << fua_index; |
| bool should_be_last_fua = (fua_index == expected_sizes.size() - 1); |
| uint8_t fu_header = 0; |
| if (fua_index == 0) |
| fu_header = 0x85; // S=1, E=0, R=0, Type=5. |
| else if (should_be_last_fua) |
| fu_header = 0x45; // S=0, E=1, R=0, Type=5. |
| else |
| fu_header = 0x05; // S=0, E=0, R=0, Type=5. |
| EXPECT_EQ(fu_header, packet[1]) << "FUA index: " << fua_index; |
| std::vector<uint8_t> expected_packet_payload( |
| &expected_payload[offset], |
| &expected_payload[offset + expected_sizes[fua_index]]); |
| EXPECT_THAT( |
| expected_packet_payload, |
| ::testing::ElementsAreArray(&packet[2], expected_sizes[fua_index])) |
| << "FUA index: " << fua_index; |
| } |
| |
| void TestFua(size_t frame_size, |
| size_t max_payload_size, |
| const std::vector<size_t>& expected_sizes) { |
| rtc::scoped_ptr<uint8_t[]> frame; |
| frame.reset(new uint8_t[frame_size]); |
| frame[0] = 0x05; // F=0, NRI=0, Type=5. |
| for (size_t i = 0; i < frame_size - kNalHeaderSize; ++i) { |
| frame[i + kNalHeaderSize] = i; |
| } |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(1); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = frame_size; |
| rtc::scoped_ptr<RtpPacketizer> packetizer(RtpPacketizer::Create( |
| kRtpVideoH264, max_payload_size, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame.get(), frame_size, &fragmentation); |
| |
| rtc::scoped_ptr<uint8_t[]> packet(new uint8_t[max_payload_size]); |
| size_t length = 0; |
| bool last = false; |
| size_t offset = kNalHeaderSize; |
| for (size_t i = 0; i < expected_sizes.size(); ++i) { |
| ASSERT_TRUE(packetizer->NextPacket(packet.get(), &length, &last)); |
| VerifyFua(i, frame.get(), offset, packet.get(), length, expected_sizes); |
| EXPECT_EQ(i == expected_sizes.size() - 1, last) << "FUA index: " << i; |
| offset += expected_sizes[i]; |
| } |
| |
| EXPECT_FALSE(packetizer->NextPacket(packet.get(), &length, &last)); |
| } |
| |
| size_t GetExpectedNaluOffset(const RTPFragmentationHeader& fragmentation, |
| size_t start_index, |
| size_t nalu_index) { |
| assert(nalu_index < fragmentation.fragmentationVectorSize); |
| size_t expected_nalu_offset = kNalHeaderSize; // STAP-A header. |
| for (size_t i = start_index; i < nalu_index; ++i) { |
| expected_nalu_offset += |
| kLengthFieldLength + fragmentation.fragmentationLength[i]; |
| } |
| return expected_nalu_offset; |
| } |
| |
| void VerifyStapAPayload(const RTPFragmentationHeader& fragmentation, |
| size_t first_stapa_index, |
| size_t nalu_index, |
| const uint8_t* frame, |
| size_t frame_length, |
| const uint8_t* packet, |
| size_t packet_length) { |
| size_t expected_payload_offset = |
| GetExpectedNaluOffset(fragmentation, first_stapa_index, nalu_index) + |
| kLengthFieldLength; |
| size_t offset = fragmentation.fragmentationOffset[nalu_index]; |
| const uint8_t* expected_payload = &frame[offset]; |
| size_t expected_payload_length = |
| fragmentation.fragmentationLength[nalu_index]; |
| ASSERT_LE(offset + expected_payload_length, frame_length); |
| ASSERT_LE(expected_payload_offset + expected_payload_length, packet_length); |
| std::vector<uint8_t> expected_payload_vector( |
| expected_payload, &expected_payload[expected_payload_length]); |
| EXPECT_THAT(expected_payload_vector, |
| ::testing::ElementsAreArray(&packet[expected_payload_offset], |
| expected_payload_length)); |
| } |
| |
| void VerifySingleNaluPayload(const RTPFragmentationHeader& fragmentation, |
| size_t nalu_index, |
| const uint8_t* frame, |
| size_t frame_length, |
| const uint8_t* packet, |
| size_t packet_length) { |
| std::vector<uint8_t> expected_payload_vector( |
| &frame[fragmentation.fragmentationOffset[nalu_index]], |
| &frame[fragmentation.fragmentationOffset[nalu_index] + |
| fragmentation.fragmentationLength[nalu_index]]); |
| EXPECT_THAT(expected_payload_vector, |
| ::testing::ElementsAreArray(packet, packet_length)); |
| } |
| } // namespace |
| |
| TEST(RtpPacketizerH264Test, TestSingleNalu) { |
| const uint8_t frame[2] = {0x05, 0xFF}; // F=0, NRI=0, Type=5. |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(1); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = sizeof(frame); |
| rtc::scoped_ptr<RtpPacketizer> packetizer( |
| RtpPacketizer::Create(kRtpVideoH264, kMaxPayloadSize, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame, sizeof(frame), &fragmentation); |
| uint8_t packet[kMaxPayloadSize] = {0}; |
| size_t length = 0; |
| bool last = false; |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| EXPECT_EQ(2u, length); |
| EXPECT_TRUE(last); |
| VerifySingleNaluPayload( |
| fragmentation, 0, frame, sizeof(frame), packet, length); |
| EXPECT_FALSE(packetizer->NextPacket(packet, &length, &last)); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestSingleNaluTwoPackets) { |
| const size_t kFrameSize = kMaxPayloadSize + 100; |
| uint8_t frame[kFrameSize] = {0}; |
| for (size_t i = 0; i < kFrameSize; ++i) |
| frame[i] = i; |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(2); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = kMaxPayloadSize; |
| fragmentation.fragmentationOffset[1] = kMaxPayloadSize; |
| fragmentation.fragmentationLength[1] = 100; |
| // Set NAL headers. |
| frame[fragmentation.fragmentationOffset[0]] = 0x01; |
| frame[fragmentation.fragmentationOffset[1]] = 0x01; |
| |
| rtc::scoped_ptr<RtpPacketizer> packetizer( |
| RtpPacketizer::Create(kRtpVideoH264, kMaxPayloadSize, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame, kFrameSize, &fragmentation); |
| |
| uint8_t packet[kMaxPayloadSize] = {0}; |
| size_t length = 0; |
| bool last = false; |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| ASSERT_EQ(fragmentation.fragmentationOffset[1], length); |
| VerifySingleNaluPayload(fragmentation, 0, frame, kFrameSize, packet, length); |
| |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| ASSERT_EQ(fragmentation.fragmentationLength[1], length); |
| VerifySingleNaluPayload(fragmentation, 1, frame, kFrameSize, packet, length); |
| EXPECT_TRUE(last); |
| |
| EXPECT_FALSE(packetizer->NextPacket(packet, &length, &last)); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestStapA) { |
| const size_t kFrameSize = |
| kMaxPayloadSize - 3 * kLengthFieldLength - kNalHeaderSize; |
| uint8_t frame[kFrameSize] = {0x07, 0xFF, // F=0, NRI=0, Type=7 (SPS). |
| 0x08, 0xFF, // F=0, NRI=0, Type=8 (PPS). |
| 0x05}; // F=0, NRI=0, Type=5 (IDR). |
| const size_t kPayloadOffset = 5; |
| for (size_t i = 0; i < kFrameSize - kPayloadOffset; ++i) |
| frame[i + kPayloadOffset] = i; |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(3); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = 2; |
| fragmentation.fragmentationOffset[1] = 2; |
| fragmentation.fragmentationLength[1] = 2; |
| fragmentation.fragmentationOffset[2] = 4; |
| fragmentation.fragmentationLength[2] = |
| kNalHeaderSize + kFrameSize - kPayloadOffset; |
| rtc::scoped_ptr<RtpPacketizer> packetizer( |
| RtpPacketizer::Create(kRtpVideoH264, kMaxPayloadSize, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame, kFrameSize, &fragmentation); |
| |
| uint8_t packet[kMaxPayloadSize] = {0}; |
| size_t length = 0; |
| bool last = false; |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| size_t expected_packet_size = |
| kNalHeaderSize + 3 * kLengthFieldLength + kFrameSize; |
| ASSERT_EQ(expected_packet_size, length); |
| EXPECT_TRUE(last); |
| for (size_t i = 0; i < fragmentation.fragmentationVectorSize; ++i) |
| VerifyStapAPayload(fragmentation, 0, i, frame, kFrameSize, packet, length); |
| |
| EXPECT_FALSE(packetizer->NextPacket(packet, &length, &last)); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestTooSmallForStapAHeaders) { |
| const size_t kFrameSize = kMaxPayloadSize - 1; |
| uint8_t frame[kFrameSize] = {0x07, 0xFF, // F=0, NRI=0, Type=7. |
| 0x08, 0xFF, // F=0, NRI=0, Type=8. |
| 0x05}; // F=0, NRI=0, Type=5. |
| const size_t kPayloadOffset = 5; |
| for (size_t i = 0; i < kFrameSize - kPayloadOffset; ++i) |
| frame[i + kPayloadOffset] = i; |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(3); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = 2; |
| fragmentation.fragmentationOffset[1] = 2; |
| fragmentation.fragmentationLength[1] = 2; |
| fragmentation.fragmentationOffset[2] = 4; |
| fragmentation.fragmentationLength[2] = |
| kNalHeaderSize + kFrameSize - kPayloadOffset; |
| rtc::scoped_ptr<RtpPacketizer> packetizer( |
| RtpPacketizer::Create(kRtpVideoH264, kMaxPayloadSize, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame, kFrameSize, &fragmentation); |
| |
| uint8_t packet[kMaxPayloadSize] = {0}; |
| size_t length = 0; |
| bool last = false; |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| size_t expected_packet_size = kNalHeaderSize; |
| for (size_t i = 0; i < 2; ++i) { |
| expected_packet_size += |
| kLengthFieldLength + fragmentation.fragmentationLength[i]; |
| } |
| ASSERT_EQ(expected_packet_size, length); |
| EXPECT_FALSE(last); |
| for (size_t i = 0; i < 2; ++i) |
| VerifyStapAPayload(fragmentation, 0, i, frame, kFrameSize, packet, length); |
| |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| expected_packet_size = fragmentation.fragmentationLength[2]; |
| ASSERT_EQ(expected_packet_size, length); |
| EXPECT_TRUE(last); |
| VerifySingleNaluPayload(fragmentation, 2, frame, kFrameSize, packet, length); |
| |
| EXPECT_FALSE(packetizer->NextPacket(packet, &length, &last)); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestMixedStapA_FUA) { |
| const size_t kFuaNaluSize = 2 * (kMaxPayloadSize - 100); |
| const size_t kStapANaluSize = 100; |
| RTPFragmentationHeader fragmentation; |
| fragmentation.VerifyAndAllocateFragmentationHeader(3); |
| fragmentation.fragmentationOffset[0] = 0; |
| fragmentation.fragmentationLength[0] = kFuaNaluSize; |
| fragmentation.fragmentationOffset[1] = kFuaNaluSize; |
| fragmentation.fragmentationLength[1] = kStapANaluSize; |
| fragmentation.fragmentationOffset[2] = kFuaNaluSize + kStapANaluSize; |
| fragmentation.fragmentationLength[2] = kStapANaluSize; |
| const size_t kFrameSize = kFuaNaluSize + 2 * kStapANaluSize; |
| uint8_t frame[kFrameSize]; |
| size_t nalu_offset = 0; |
| for (size_t i = 0; i < fragmentation.fragmentationVectorSize; ++i) { |
| nalu_offset = fragmentation.fragmentationOffset[i]; |
| frame[nalu_offset] = 0x05; // F=0, NRI=0, Type=5. |
| for (size_t j = 1; j < fragmentation.fragmentationLength[i]; ++j) { |
| frame[nalu_offset + j] = i + j; |
| } |
| } |
| rtc::scoped_ptr<RtpPacketizer> packetizer( |
| RtpPacketizer::Create(kRtpVideoH264, kMaxPayloadSize, NULL, kFrameEmpty)); |
| packetizer->SetPayloadData(frame, kFrameSize, &fragmentation); |
| |
| // First expecting two FU-A packets. |
| std::vector<size_t> fua_sizes; |
| fua_sizes.push_back(1100); |
| fua_sizes.push_back(1099); |
| uint8_t packet[kMaxPayloadSize] = {0}; |
| size_t length = 0; |
| bool last = false; |
| int fua_offset = kNalHeaderSize; |
| for (size_t i = 0; i < 2; ++i) { |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| VerifyFua(i, frame, fua_offset, packet, length, fua_sizes); |
| EXPECT_FALSE(last); |
| fua_offset += fua_sizes[i]; |
| } |
| // Then expecting one STAP-A packet with two nal units. |
| ASSERT_TRUE(packetizer->NextPacket(packet, &length, &last)); |
| size_t expected_packet_size = |
| kNalHeaderSize + 2 * kLengthFieldLength + 2 * kStapANaluSize; |
| ASSERT_EQ(expected_packet_size, length); |
| EXPECT_TRUE(last); |
| for (size_t i = 1; i < fragmentation.fragmentationVectorSize; ++i) |
| VerifyStapAPayload(fragmentation, 1, i, frame, kFrameSize, packet, length); |
| |
| EXPECT_FALSE(packetizer->NextPacket(packet, &length, &last)); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestFUAOddSize) { |
| const size_t kExpectedPayloadSizes[2] = {600, 600}; |
| TestFua( |
| kMaxPayloadSize + 1, |
| kMaxPayloadSize, |
| std::vector<size_t>(kExpectedPayloadSizes, |
| kExpectedPayloadSizes + |
| sizeof(kExpectedPayloadSizes) / sizeof(size_t))); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestFUAEvenSize) { |
| const size_t kExpectedPayloadSizes[2] = {601, 600}; |
| TestFua( |
| kMaxPayloadSize + 2, |
| kMaxPayloadSize, |
| std::vector<size_t>(kExpectedPayloadSizes, |
| kExpectedPayloadSizes + |
| sizeof(kExpectedPayloadSizes) / sizeof(size_t))); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestFUARounding) { |
| const size_t kExpectedPayloadSizes[8] = {1266, 1266, 1266, 1266, |
| 1266, 1266, 1266, 1261}; |
| TestFua( |
| 10124, |
| 1448, |
| std::vector<size_t>(kExpectedPayloadSizes, |
| kExpectedPayloadSizes + |
| sizeof(kExpectedPayloadSizes) / sizeof(size_t))); |
| } |
| |
| TEST(RtpPacketizerH264Test, TestFUABig) { |
| const size_t kExpectedPayloadSizes[10] = {1198, 1198, 1198, 1198, 1198, |
| 1198, 1198, 1198, 1198, 1198}; |
| // Generate 10 full sized packets, leave room for FU-A headers minus the NALU |
| // header. |
| TestFua( |
| 10 * (kMaxPayloadSize - kFuAHeaderSize) + kNalHeaderSize, |
| kMaxPayloadSize, |
| std::vector<size_t>(kExpectedPayloadSizes, |
| kExpectedPayloadSizes + |
| sizeof(kExpectedPayloadSizes) / sizeof(size_t))); |
| } |
| |
| class RtpDepacketizerH264Test : public ::testing::Test { |
| protected: |
| RtpDepacketizerH264Test() |
| : depacketizer_(RtpDepacketizer::Create(kRtpVideoH264)) {} |
| |
| void ExpectPacket(RtpDepacketizer::ParsedPayload* parsed_payload, |
| const uint8_t* data, |
| size_t length) { |
| ASSERT_TRUE(parsed_payload != NULL); |
| EXPECT_THAT(std::vector<uint8_t>( |
| parsed_payload->payload, |
| parsed_payload->payload + parsed_payload->payload_length), |
| ::testing::ElementsAreArray(data, length)); |
| } |
| |
| rtc::scoped_ptr<RtpDepacketizer> depacketizer_; |
| }; |
| |
| TEST_F(RtpDepacketizerH264Test, TestSingleNalu) { |
| uint8_t packet[2] = {0x05, 0xFF}; // F=0, NRI=0, Type=5 (IDR). |
| RtpDepacketizer::ParsedPayload payload; |
| |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet, sizeof(packet))); |
| ExpectPacket(&payload, packet, sizeof(packet)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264SingleNalu, |
| payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(kIdr, payload.type.Video.codecHeader.H264.nalu_type); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestSingleNaluSpsWithResolution) { |
| uint8_t packet[] = {kSps, 0x7A, 0x00, 0x1F, 0xBC, 0xD9, 0x40, 0x50, |
| 0x05, 0xBA, 0x10, 0x00, 0x00, 0x03, 0x00, 0xC0, |
| 0x00, 0x00, 0x2A, 0xE0, 0xF1, 0x83, 0x19, 0x60}; |
| RtpDepacketizer::ParsedPayload payload; |
| |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet, sizeof(packet))); |
| ExpectPacket(&payload, packet, sizeof(packet)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264SingleNalu, |
| payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(1280u, payload.type.Video.width); |
| EXPECT_EQ(720u, payload.type.Video.height); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestStapAKey) { |
| uint8_t packet[16] = {kStapA, // F=0, NRI=0, Type=24. |
| // Length, nal header, payload. |
| 0, 0x02, kSps, 0xFF, |
| 0, 0x03, kPps, 0xFF, 0x00, |
| 0, 0x04, kIdr, 0xFF, 0x00, 0x11}; |
| RtpDepacketizer::ParsedPayload payload; |
| |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet, sizeof(packet))); |
| ExpectPacket(&payload, packet, sizeof(packet)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264StapA, payload.type.Video.codecHeader.H264.packetization_type); |
| // NALU type for aggregated packets is the type of the first packet only. |
| EXPECT_EQ(kSps, payload.type.Video.codecHeader.H264.nalu_type); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestStapANaluSpsWithResolution) { |
| uint8_t packet[] = {kStapA, // F=0, NRI=0, Type=24. |
| // Length (2 bytes), nal header, payload. |
| 0, 24, kSps, 0x7A, 0x00, 0x1F, 0xBC, 0xD9, |
| 0x40, 0x50, 0x05, 0xBA, 0x10, 0x00, 0x00, 0x03, |
| 0x00, 0xC0, 0x00, 0x00, 0x2A, 0xE0, 0xF1, 0x83, |
| 0x19, 0x60, 0, 0x03, kIdr, 0xFF, 0x00, 0, |
| 0x04, kIdr, 0xFF, 0x00, 0x11}; |
| RtpDepacketizer::ParsedPayload payload; |
| |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet, sizeof(packet))); |
| ExpectPacket(&payload, packet, sizeof(packet)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264StapA, payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(1280u, payload.type.Video.width); |
| EXPECT_EQ(720u, payload.type.Video.height); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestStapADelta) { |
| uint8_t packet[16] = {kStapA, // F=0, NRI=0, Type=24. |
| // Length, nal header, payload. |
| 0, 0x02, kSlice, 0xFF, 0, 0x03, kSlice, 0xFF, |
| 0x00, 0, 0x04, kSlice, 0xFF, 0x00, 0x11}; |
| RtpDepacketizer::ParsedPayload payload; |
| |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet, sizeof(packet))); |
| ExpectPacket(&payload, packet, sizeof(packet)); |
| EXPECT_EQ(kVideoFrameDelta, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264StapA, payload.type.Video.codecHeader.H264.packetization_type); |
| // NALU type for aggregated packets is the type of the first packet only. |
| EXPECT_EQ(kSlice, payload.type.Video.codecHeader.H264.nalu_type); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestFuA) { |
| uint8_t packet1[3] = { |
| kFuA, // F=0, NRI=0, Type=28. |
| kSBit | kIdr, // FU header. |
| 0x01 // Payload. |
| }; |
| const uint8_t kExpected1[2] = {kIdr, 0x01}; |
| |
| uint8_t packet2[3] = { |
| kFuA, // F=0, NRI=0, Type=28. |
| kIdr, // FU header. |
| 0x02 // Payload. |
| }; |
| const uint8_t kExpected2[1] = {0x02}; |
| |
| uint8_t packet3[3] = { |
| kFuA, // F=0, NRI=0, Type=28. |
| kEBit | kIdr, // FU header. |
| 0x03 // Payload. |
| }; |
| const uint8_t kExpected3[1] = {0x03}; |
| |
| RtpDepacketizer::ParsedPayload payload; |
| |
| // We expect that the first packet is one byte shorter since the FU-A header |
| // has been replaced by the original nal header. |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet1, sizeof(packet1))); |
| ExpectPacket(&payload, kExpected1, sizeof(kExpected1)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_TRUE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264FuA, payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(kIdr, payload.type.Video.codecHeader.H264.nalu_type); |
| |
| // Following packets will be 2 bytes shorter since they will only be appended |
| // onto the first packet. |
| payload = RtpDepacketizer::ParsedPayload(); |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet2, sizeof(packet2))); |
| ExpectPacket(&payload, kExpected2, sizeof(kExpected2)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_FALSE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264FuA, payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(kIdr, payload.type.Video.codecHeader.H264.nalu_type); |
| |
| payload = RtpDepacketizer::ParsedPayload(); |
| ASSERT_TRUE(depacketizer_->Parse(&payload, packet3, sizeof(packet3))); |
| ExpectPacket(&payload, kExpected3, sizeof(kExpected3)); |
| EXPECT_EQ(kVideoFrameKey, payload.frame_type); |
| EXPECT_EQ(kRtpVideoH264, payload.type.Video.codec); |
| EXPECT_FALSE(payload.type.Video.isFirstPacket); |
| EXPECT_EQ(kH264FuA, payload.type.Video.codecHeader.H264.packetization_type); |
| EXPECT_EQ(kIdr, payload.type.Video.codecHeader.H264.nalu_type); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestEmptyPayload) { |
| // Using a wild pointer to crash on accesses from inside the depacketizer. |
| uint8_t* garbage_ptr = reinterpret_cast<uint8_t*>(0x4711); |
| RtpDepacketizer::ParsedPayload payload; |
| EXPECT_FALSE(depacketizer_->Parse(&payload, garbage_ptr, 0)); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestTruncatedFuaNalu) { |
| const uint8_t kPayload[] = {0x9c}; |
| RtpDepacketizer::ParsedPayload payload; |
| EXPECT_FALSE(depacketizer_->Parse(&payload, kPayload, sizeof(kPayload))); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestTruncatedSingleStapANalu) { |
| const uint8_t kPayload[] = {0xd8, 0x27}; |
| RtpDepacketizer::ParsedPayload payload; |
| EXPECT_FALSE(depacketizer_->Parse(&payload, kPayload, sizeof(kPayload))); |
| } |
| |
| TEST_F(RtpDepacketizerH264Test, TestTruncationJustAfterSingleStapANalu) { |
| const uint8_t kPayload[] = {0x38, 0x27, 0x27}; |
| RtpDepacketizer::ParsedPayload payload; |
| EXPECT_FALSE(depacketizer_->Parse(&payload, kPayload, sizeof(kPayload))); |
| } |
| |
| } // namespace webrtc |
