|  | /* | 
|  | *  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 "modules/rtp_rtcp/source/rtp_format_h264.h" | 
|  |  | 
|  | #include <cstddef> | 
|  | #include <cstdint> | 
|  | #include <cstring> | 
|  | #include <initializer_list> | 
|  | #include <vector> | 
|  |  | 
|  | #include "absl/algorithm/container.h" | 
|  | #include "api/array_view.h" | 
|  | #include "modules/rtp_rtcp/source/rtp_format.h" | 
|  | #include "modules/rtp_rtcp/source/rtp_packet_to_send.h" | 
|  | #include "modules/video_coding/codecs/h264/include/h264_globals.h" | 
|  | #include "rtc_base/buffer.h" | 
|  | #include "rtc_base/checks.h" | 
|  | #include "test/gmock.h" | 
|  | #include "test/gtest.h" | 
|  |  | 
|  | namespace webrtc { | 
|  | namespace { | 
|  |  | 
|  | using ::testing::Each; | 
|  | using ::testing::ElementsAre; | 
|  | using ::testing::ElementsAreArray; | 
|  | using ::testing::Eq; | 
|  | using ::testing::IsEmpty; | 
|  | using ::testing::SizeIs; | 
|  |  | 
|  | constexpr RtpPacketToSend::ExtensionManager* kNoExtensions = nullptr; | 
|  | constexpr size_t kMaxPayloadSize = 1200; | 
|  | constexpr size_t kLengthFieldLength = 2; | 
|  | constexpr RtpPacketizer::PayloadSizeLimits kNoLimits; | 
|  |  | 
|  | enum Nalu { | 
|  | kSlice = 1, | 
|  | kIdr = 5, | 
|  | kSei = 6, | 
|  | kSps = 7, | 
|  | kPps = 8, | 
|  | kStapA = 24, | 
|  | kFuA = 28 | 
|  | }; | 
|  |  | 
|  | constexpr size_t kNalHeaderSize = 1; | 
|  | constexpr size_t kFuAHeaderSize = 2; | 
|  |  | 
|  | // Creates Buffer that looks like nal unit of given size. | 
|  | rtc::Buffer GenerateNalUnit(size_t size) { | 
|  | RTC_CHECK_GT(size, 0); | 
|  | rtc::Buffer buffer(size); | 
|  | // Set some valid header. | 
|  | buffer[0] = kSlice; | 
|  | for (size_t i = 1; i < size; ++i) { | 
|  | buffer[i] = static_cast<uint8_t>(i); | 
|  | } | 
|  | // Last byte shouldn't be 0, or it may be counted as part of next 4-byte start | 
|  | // sequence. | 
|  | buffer[size - 1] |= 0x10; | 
|  | return buffer; | 
|  | } | 
|  |  | 
|  | // Create frame consisting of nalus of given size. | 
|  | rtc::Buffer CreateFrame(std::initializer_list<size_t> nalu_sizes) { | 
|  | static constexpr int kStartCodeSize = 3; | 
|  | rtc::Buffer frame(absl::c_accumulate(nalu_sizes, size_t{0}) + | 
|  | kStartCodeSize * nalu_sizes.size()); | 
|  | size_t offset = 0; | 
|  | for (size_t nalu_size : nalu_sizes) { | 
|  | EXPECT_GE(nalu_size, 1u); | 
|  | // Insert nalu start code | 
|  | frame[offset] = 0; | 
|  | frame[offset + 1] = 0; | 
|  | frame[offset + 2] = 1; | 
|  | // Set some valid header. | 
|  | frame[offset + 3] = 1; | 
|  | // Fill payload avoiding accidental start codes | 
|  | if (nalu_size > 1) { | 
|  | memset(frame.data() + offset + 4, 0x3f, nalu_size - 1); | 
|  | } | 
|  | offset += (kStartCodeSize + nalu_size); | 
|  | } | 
|  | return frame; | 
|  | } | 
|  |  | 
|  | // Create frame consisting of given nalus. | 
|  | rtc::Buffer CreateFrame(rtc::ArrayView<const rtc::Buffer> nalus) { | 
|  | static constexpr int kStartCodeSize = 3; | 
|  | int frame_size = 0; | 
|  | for (const rtc::Buffer& nalu : nalus) { | 
|  | frame_size += (kStartCodeSize + nalu.size()); | 
|  | } | 
|  | rtc::Buffer frame(frame_size); | 
|  | size_t offset = 0; | 
|  | for (const rtc::Buffer& nalu : nalus) { | 
|  | // Insert nalu start code | 
|  | frame[offset] = 0; | 
|  | frame[offset + 1] = 0; | 
|  | frame[offset + 2] = 1; | 
|  | // Copy the nalu unit. | 
|  | memcpy(frame.data() + offset + 3, nalu.data(), nalu.size()); | 
|  | offset += (kStartCodeSize + nalu.size()); | 
|  | } | 
|  | return frame; | 
|  | } | 
|  |  | 
|  | std::vector<RtpPacketToSend> FetchAllPackets(RtpPacketizerH264* packetizer) { | 
|  | std::vector<RtpPacketToSend> result; | 
|  | size_t num_packets = packetizer->NumPackets(); | 
|  | result.reserve(num_packets); | 
|  | RtpPacketToSend packet(kNoExtensions); | 
|  | while (packetizer->NextPacket(&packet)) { | 
|  | result.push_back(packet); | 
|  | packet.Clear(); | 
|  | } | 
|  | EXPECT_THAT(result, SizeIs(num_packets)); | 
|  | return result; | 
|  | } | 
|  |  | 
|  | // Tests that should work with both packetization mode 0 and | 
|  | // packetization mode 1. | 
|  | class RtpPacketizerH264ModeTest | 
|  | : public ::testing::TestWithParam<H264PacketizationMode> {}; | 
|  |  | 
|  | TEST_P(RtpPacketizerH264ModeTest, SingleNalu) { | 
|  | const uint8_t frame[] = {0, 0, 1, kIdr, 0xFF}; | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, kNoLimits, GetParam()); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(1)); | 
|  | EXPECT_THAT(packets[0].payload(), ElementsAre(kIdr, 0xFF)); | 
|  | } | 
|  |  | 
|  | TEST_P(RtpPacketizerH264ModeTest, SingleNaluTwoPackets) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = kMaxPayloadSize; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(kMaxPayloadSize), | 
|  | GenerateNalUnit(100)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, GetParam()); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(2)); | 
|  | EXPECT_THAT(packets[0].payload(), ElementsAreArray(nalus[0])); | 
|  | EXPECT_THAT(packets[1].payload(), ElementsAreArray(nalus[1])); | 
|  | } | 
|  |  | 
|  | TEST_P(RtpPacketizerH264ModeTest, | 
|  | SingleNaluFirstPacketReductionAppliesOnlyToFirstFragment) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 200; | 
|  | limits.first_packet_reduction_len = 5; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/195), | 
|  | GenerateNalUnit(/*size=*/200), | 
|  | GenerateNalUnit(/*size=*/200)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, GetParam()); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(3)); | 
|  | EXPECT_THAT(packets[0].payload(), ElementsAreArray(nalus[0])); | 
|  | EXPECT_THAT(packets[1].payload(), ElementsAreArray(nalus[1])); | 
|  | EXPECT_THAT(packets[2].payload(), ElementsAreArray(nalus[2])); | 
|  | } | 
|  |  | 
|  | TEST_P(RtpPacketizerH264ModeTest, | 
|  | SingleNaluLastPacketReductionAppliesOnlyToLastFragment) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 200; | 
|  | limits.last_packet_reduction_len = 5; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/200), | 
|  | GenerateNalUnit(/*size=*/200), | 
|  | GenerateNalUnit(/*size=*/195)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, GetParam()); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(3)); | 
|  | EXPECT_THAT(packets[0].payload(), ElementsAreArray(nalus[0])); | 
|  | EXPECT_THAT(packets[1].payload(), ElementsAreArray(nalus[1])); | 
|  | EXPECT_THAT(packets[2].payload(), ElementsAreArray(nalus[2])); | 
|  | } | 
|  |  | 
|  | TEST_P(RtpPacketizerH264ModeTest, | 
|  | SingleNaluFirstAndLastPacketReductionSumsForSinglePacket) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 200; | 
|  | limits.first_packet_reduction_len = 20; | 
|  | limits.last_packet_reduction_len = 30; | 
|  | rtc::Buffer frame = CreateFrame({150}); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, GetParam()); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | EXPECT_THAT(packets, SizeIs(1)); | 
|  | } | 
|  |  | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | PacketMode, | 
|  | RtpPacketizerH264ModeTest, | 
|  | ::testing::Values(H264PacketizationMode::SingleNalUnit, | 
|  | H264PacketizationMode::NonInterleaved)); | 
|  |  | 
|  | // Aggregation tests. | 
|  | TEST(RtpPacketizerH264Test, StapA) { | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/0x123)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, kNoLimits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(1)); | 
|  | auto payload = packets[0].payload(); | 
|  | EXPECT_EQ(payload.size(), | 
|  | kNalHeaderSize + 3 * kLengthFieldLength + 2 + 2 + 0x123); | 
|  |  | 
|  | EXPECT_EQ(payload[0], kStapA); | 
|  | payload = payload.subview(kNalHeaderSize); | 
|  | // 1st fragment. | 
|  | EXPECT_THAT(payload.subview(0, kLengthFieldLength), | 
|  | ElementsAre(0, 2));  // Size. | 
|  | EXPECT_THAT(payload.subview(kLengthFieldLength, 2), | 
|  | ElementsAreArray(nalus[0])); | 
|  | payload = payload.subview(kLengthFieldLength + 2); | 
|  | // 2nd fragment. | 
|  | EXPECT_THAT(payload.subview(0, kLengthFieldLength), | 
|  | ElementsAre(0, 2));  // Size. | 
|  | EXPECT_THAT(payload.subview(kLengthFieldLength, 2), | 
|  | ElementsAreArray(nalus[1])); | 
|  | payload = payload.subview(kLengthFieldLength + 2); | 
|  | // 3rd fragment. | 
|  | EXPECT_THAT(payload.subview(0, kLengthFieldLength), | 
|  | ElementsAre(0x1, 0x23));  // Size. | 
|  | EXPECT_THAT(payload.subview(kLengthFieldLength), ElementsAreArray(nalus[2])); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, SingleNalUnitModeHasNoStapA) { | 
|  | // This is the same setup as for the StapA test. | 
|  | rtc::Buffer frame = CreateFrame({2, 2, 0x123}); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, kNoLimits, | 
|  | H264PacketizationMode::SingleNalUnit); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | // The three fragments should be returned as three packets. | 
|  | ASSERT_THAT(packets, SizeIs(3)); | 
|  | EXPECT_EQ(packets[0].payload_size(), 2u); | 
|  | EXPECT_EQ(packets[1].payload_size(), 2u); | 
|  | EXPECT_EQ(packets[2].payload_size(), 0x123u); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, StapARespectsFirstPacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1000; | 
|  | limits.first_packet_reduction_len = 100; | 
|  | const size_t kFirstFragmentSize = | 
|  | limits.max_payload_len - limits.first_packet_reduction_len; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/kFirstFragmentSize), | 
|  | GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/2)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(2)); | 
|  | // Expect 1st packet is single nalu. | 
|  | EXPECT_THAT(packets[0].payload(), ElementsAreArray(nalus[0])); | 
|  | // Expect 2nd packet is aggregate of last two fragments. | 
|  | EXPECT_THAT(packets[1].payload(), | 
|  | ElementsAre(kStapA,                          // | 
|  | 0, 2, nalus[1][0], nalus[1][1],  // | 
|  | 0, 2, nalus[2][0], nalus[2][1])); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, StapARespectsSinglePacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1000; | 
|  | // It is possible for single_packet_reduction_len to be greater than | 
|  | // first_packet_reduction_len + last_packet_reduction_len. Check that the | 
|  | // right limit is used when first and last fragment go to one packet. | 
|  | limits.first_packet_reduction_len = 4; | 
|  | limits.last_packet_reduction_len = 0; | 
|  | limits.single_packet_reduction_len = 8; | 
|  | // 3 fragments of sizes 2 + 2 + 981, plus 7 bytes of headers, is expected to | 
|  | // be packetized to single packet of size 992. | 
|  | rtc::Buffer first_nalus[] = {GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/981)}; | 
|  | rtc::Buffer first_frame = CreateFrame(first_nalus); | 
|  |  | 
|  | RtpPacketizerH264 first_packetizer(first_frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&first_packetizer); | 
|  |  | 
|  | // Expect that everything fits in a single packet. | 
|  | ASSERT_THAT(packets, SizeIs(1)); | 
|  | EXPECT_EQ(packets[0].payload_size(), 992u); | 
|  |  | 
|  | // Increasing the last fragment size by one exceeds | 
|  | // single_packet_reduction_len and produces two packets. | 
|  | rtc::Buffer second_nalus[] = {GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/982)}; | 
|  | rtc::Buffer second_frame = CreateFrame(second_nalus); | 
|  | RtpPacketizerH264 second_packetizer(second_frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | packets = FetchAllPackets(&second_packetizer); | 
|  | ASSERT_THAT(packets, SizeIs(2)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, StapARespectsLastPacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1000; | 
|  | limits.last_packet_reduction_len = 100; | 
|  | const size_t kFirstFragmentSize = 1000; | 
|  | const size_t kLastFragmentSize = | 
|  | limits.max_payload_len - limits.last_packet_reduction_len + 1; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/kFirstFragmentSize), | 
|  | GenerateNalUnit(/*size=*/kLastFragmentSize)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(3)); | 
|  | // Expect 1st packet contains first fragment. | 
|  | EXPECT_THAT(packets[0].payload()[0], kSlice); | 
|  | // Expect 2nd and 3rd packets to be FU-A since last_packet_reduction_len | 
|  | // was exceeded by one byte. | 
|  | EXPECT_THAT(packets[1].payload()[0], kFuA); | 
|  | EXPECT_THAT(packets[2].payload()[0], kFuA); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, TooSmallForStapAHeaders) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1000; | 
|  | const size_t kLastFragmentSize = | 
|  | limits.max_payload_len - 3 * kLengthFieldLength - 4; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/2), | 
|  | GenerateNalUnit(/*size=*/kLastFragmentSize)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(2)); | 
|  | // Expect 1st packet is aggregate of 1st two fragments. | 
|  | EXPECT_THAT(packets[0].payload(), | 
|  | ElementsAre(kStapA,                          // | 
|  | 0, 2, nalus[0][0], nalus[0][1],  // | 
|  | 0, 2, nalus[1][0], nalus[1][1])); | 
|  | // Expect 2nd packet is single nalu. | 
|  | EXPECT_THAT(packets[1].payload(), ElementsAreArray(nalus[2])); | 
|  | } | 
|  |  | 
|  | // Fragmentation + aggregation. | 
|  | TEST(RtpPacketizerH264Test, MixedStapAFUA) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 100; | 
|  | const size_t kFuaPayloadSize = 70; | 
|  | const size_t kFuaNaluSize = kNalHeaderSize + 2 * kFuaPayloadSize; | 
|  | const size_t kStapANaluSize = 20; | 
|  | rtc::Buffer nalus[] = {GenerateNalUnit(kFuaNaluSize), | 
|  | GenerateNalUnit(kStapANaluSize), | 
|  | GenerateNalUnit(kStapANaluSize)}; | 
|  | rtc::Buffer frame = CreateFrame(nalus); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | ASSERT_THAT(packets, SizeIs(3)); | 
|  | // First expect two FU-A packets. | 
|  | EXPECT_THAT(packets[0].payload().subview(0, kFuAHeaderSize), | 
|  | ElementsAre(kFuA, kH264SBit | nalus[0][0])); | 
|  | EXPECT_THAT( | 
|  | packets[0].payload().subview(kFuAHeaderSize), | 
|  | ElementsAreArray(nalus[0].data() + kNalHeaderSize, kFuaPayloadSize)); | 
|  |  | 
|  | EXPECT_THAT(packets[1].payload().subview(0, kFuAHeaderSize), | 
|  | ElementsAre(kFuA, kH264EBit | nalus[0][0])); | 
|  | EXPECT_THAT( | 
|  | packets[1].payload().subview(kFuAHeaderSize), | 
|  | ElementsAreArray(nalus[0].data() + kNalHeaderSize + kFuaPayloadSize, | 
|  | kFuaPayloadSize)); | 
|  |  | 
|  | // Then expect one STAP-A packet with two nal units. | 
|  | EXPECT_THAT(packets[2].payload()[0], kStapA); | 
|  | auto payload = packets[2].payload().subview(kNalHeaderSize); | 
|  | EXPECT_THAT(payload.subview(0, kLengthFieldLength), | 
|  | ElementsAre(0, kStapANaluSize)); | 
|  | EXPECT_THAT(payload.subview(kLengthFieldLength, kStapANaluSize), | 
|  | ElementsAreArray(nalus[1])); | 
|  | payload = payload.subview(kLengthFieldLength + kStapANaluSize); | 
|  | EXPECT_THAT(payload.subview(0, kLengthFieldLength), | 
|  | ElementsAre(0, kStapANaluSize)); | 
|  | EXPECT_THAT(payload.subview(kLengthFieldLength), ElementsAreArray(nalus[2])); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, LastFragmentFitsInSingleButNotLastPacket) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1178; | 
|  | limits.first_packet_reduction_len = 0; | 
|  | limits.last_packet_reduction_len = 20; | 
|  | limits.single_packet_reduction_len = 20; | 
|  | // Actual sizes, which triggered this bug. | 
|  | rtc::Buffer frame = CreateFrame({20, 8, 18, 1161}); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | // Last packet has to be of correct size. | 
|  | // Incorrect implementation might miss this constraint and not split the last | 
|  | // fragment in two packets. | 
|  | EXPECT_LE(static_cast<int>(packets.back().payload_size()), | 
|  | limits.max_payload_len - limits.last_packet_reduction_len); | 
|  | } | 
|  |  | 
|  | // Splits frame with payload size `frame_payload_size` without fragmentation, | 
|  | // Returns sizes of the payloads excluding fua headers. | 
|  | std::vector<int> TestFua(size_t frame_payload_size, | 
|  | const RtpPacketizer::PayloadSizeLimits& limits) { | 
|  | rtc::Buffer nalu[] = {GenerateNalUnit(kNalHeaderSize + frame_payload_size)}; | 
|  | rtc::Buffer frame = CreateFrame(nalu); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | EXPECT_GE(packets.size(), 2u);  // Single packet indicates it is not FuA. | 
|  | std::vector<uint16_t> fua_header; | 
|  | std::vector<int> payload_sizes; | 
|  |  | 
|  | for (const RtpPacketToSend& packet : packets) { | 
|  | auto payload = packet.payload(); | 
|  | EXPECT_GT(payload.size(), kFuAHeaderSize); | 
|  | fua_header.push_back((payload[0] << 8) | payload[1]); | 
|  | payload_sizes.push_back(payload.size() - kFuAHeaderSize); | 
|  | } | 
|  |  | 
|  | EXPECT_TRUE(fua_header.front() & kH264SBit); | 
|  | EXPECT_TRUE(fua_header.back() & kH264EBit); | 
|  | // Clear S and E bits before testing all are duplicating same original header. | 
|  | fua_header.front() &= ~kH264SBit; | 
|  | fua_header.back() &= ~kH264EBit; | 
|  | EXPECT_THAT(fua_header, Each(Eq((kFuA << 8) | nalu[0][0]))); | 
|  |  | 
|  | return payload_sizes; | 
|  | } | 
|  |  | 
|  | // Fragmentation tests. | 
|  | TEST(RtpPacketizerH264Test, FUAOddSize) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1200; | 
|  | EXPECT_THAT(TestFua(1200, limits), ElementsAre(600, 600)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUAWithFirstPacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1200; | 
|  | limits.first_packet_reduction_len = 4; | 
|  | limits.single_packet_reduction_len = 4; | 
|  | EXPECT_THAT(TestFua(1198, limits), ElementsAre(597, 601)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUAWithLastPacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1200; | 
|  | limits.last_packet_reduction_len = 4; | 
|  | limits.single_packet_reduction_len = 4; | 
|  | EXPECT_THAT(TestFua(1198, limits), ElementsAre(601, 597)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUAWithSinglePacketReduction) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1199; | 
|  | limits.single_packet_reduction_len = 200; | 
|  | EXPECT_THAT(TestFua(1000, limits), ElementsAre(500, 500)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUAEvenSize) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1200; | 
|  | EXPECT_THAT(TestFua(1201, limits), ElementsAre(600, 601)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUARounding) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1448; | 
|  | EXPECT_THAT(TestFua(10123, limits), | 
|  | ElementsAre(1265, 1265, 1265, 1265, 1265, 1266, 1266, 1266)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, FUABig) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = 1200; | 
|  | // Generate 10 full sized packets, leave room for FU-A headers. | 
|  | EXPECT_THAT( | 
|  | TestFua(10 * (1200 - kFuAHeaderSize), limits), | 
|  | ElementsAre(1198, 1198, 1198, 1198, 1198, 1198, 1198, 1198, 1198, 1198)); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, RejectsOverlongDataInPacketizationMode0) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | rtc::Buffer frame = CreateFrame({kMaxPayloadSize + 1}); | 
|  |  | 
|  | RtpPacketizerH264 packetizer(frame, limits, | 
|  | H264PacketizationMode::SingleNalUnit); | 
|  | std::vector<RtpPacketToSend> packets = FetchAllPackets(&packetizer); | 
|  |  | 
|  | EXPECT_THAT(packets, IsEmpty()); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, DoesNotPacketizeWithEmptyNalUnit) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = kMaxPayloadSize; | 
|  |  | 
|  | uint8_t empty_nal_input[] = {0x00, 0x00, 0x01, /* empty NAL unit data */ | 
|  | 0x00, 0x00, 0x01, 0x01}; | 
|  | RtpPacketizerH264 packetizer(empty_nal_input, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | EXPECT_EQ(packetizer.NumPackets(), 0u); | 
|  | } | 
|  |  | 
|  | TEST(RtpPacketizerH264Test, MultipleStapA) { | 
|  | RtpPacketizer::PayloadSizeLimits limits; | 
|  | limits.max_payload_len = kMaxPayloadSize; | 
|  | limits.first_packet_reduction_len = 0; | 
|  | limits.last_packet_reduction_len = 0; | 
|  | limits.single_packet_reduction_len = 0; | 
|  | // A lot of small NAL units that will result in two STAP-A being generated. | 
|  | // Input data must exceed the size of a single RTP packet. | 
|  | uint8_t long_input[] = { | 
|  | 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, | 
|  | 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0xf9, 0x01, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xf7, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0x0b, 0x01, 0x04, 0x00, | 
|  | 0x19, 0x00, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, | 
|  | 0x00, 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x19, | 
|  | 0x7a, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, | 
|  | 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x11, 0xd4, 0x00, 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x01, 0x00, 0xaf, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x10, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, | 
|  | 0x00, 0x01, 0xf9, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, | 
|  | 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, | 
|  | 0x08, 0xfe, 0xfb, 0xff, 0xff, 0xf4, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x11, 0xd4, 0x00, 0x19, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x11, 0xd4, 0x00, 0x19, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, | 
|  | 0x01, 0xf9, 0x01, 0x00, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0x01, 0x02, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x01, 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x26, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0x00, 0x01, | 
|  | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0xf9, 0x01, 0x00, 0x00, | 
|  | 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0x0b, 0x2c, | 
|  | 0x01, 0x04, 0x00, 0x19, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, | 
|  | 0x00, 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x01, 0x00, 0x00, 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, | 
|  | 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x10, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, | 
|  | 0x00, 0x01, 0xf9, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, | 
|  | 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, | 
|  | 0x08, 0xfe, 0xfb, 0xff, 0xff, 0xf4, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, | 
|  | 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x11, 0xd4, 0x00, | 
|  | 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, | 
|  | 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0xf9, 0x01, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xf7, 0x01, | 
|  | 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, | 
|  | 0x19, 0x00, 0x00, 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, | 
|  | 0x00, 0x00, 0x01, 0x01, 0x02, 0x00, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, | 
|  | 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, | 
|  | 0x26, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, | 
|  | 0x00, 0x00, 0x01, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x04, 0x00, 0x00, 0xaf, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x11, 0xd4, 0x00, 0x19, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x01, 0x04, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x00, 0xaf, 0x00, 0x00, | 
|  | 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, | 
|  | 0x01, 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, | 
|  | 0x00, 0xaf, 0x01, 0x04, 0x00, 0x19, 0x00, 0x00, 0x01, 0xf9, 0x01, 0x00, | 
|  | 0x00, 0x00, 0x01, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | 
|  | 0x00, 0xf7, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x8e, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x01, 0x04, 0x00, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01}; | 
|  | RtpPacketizerH264 packetizer(long_input, limits, | 
|  | H264PacketizationMode::NonInterleaved); | 
|  | EXPECT_EQ(packetizer.NumPackets(), 2u); | 
|  | EXPECT_THAT(FetchAllPackets(&packetizer), SizeIs(2)); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  | }  // namespace webrtc |