зеркало из https://github.com/mozilla/gecko-dev.git
272 строки
8.3 KiB
C++
272 строки
8.3 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "call/rtx_receive_stream.h"
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#include "call/test/mock_rtp_packet_sink_interface.h"
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#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
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#include "modules/rtp_rtcp/source/rtp_header_extensions.h"
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#include "modules/rtp_rtcp/source/rtp_packet_received.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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using ::testing::_;
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using ::testing::Property;
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using ::testing::StrictMock;
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constexpr int kMediaPayloadType = 100;
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constexpr int kRtxPayloadType = 98;
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constexpr int kUnknownPayloadType = 90;
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constexpr uint32_t kMediaSSRC = 0x3333333;
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constexpr uint16_t kMediaSeqno = 0x5657;
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constexpr uint8_t kRtxPacket[] = {
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0x80, // Version 2.
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98, // Payload type.
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0x12,
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0x34, // Seqno.
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0x11,
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0x11,
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0x11,
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0x11, // Timestamp.
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0x22,
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0x22,
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0x22,
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0x22, // SSRC.
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// RTX header.
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0x56,
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0x57, // Orig seqno.
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// Payload.
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0xee,
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};
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constexpr uint8_t kRtxPacketWithPadding[] = {
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0xa0, // Version 2, P set
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98, // Payload type.
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0x12,
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0x34, // Seqno.
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0x11,
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0x11,
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0x11,
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0x11, // Timestamp.
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0x22,
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0x22,
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0x22,
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0x22, // SSRC.
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// RTX header.
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0x56,
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0x57, // Orig seqno.
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// Padding
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0x1,
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};
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constexpr uint8_t kRtxPacketWithCVO[] = {
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0x90, // Version 2, X set.
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98, // Payload type.
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0x12,
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0x34, // Seqno.
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0x11,
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0x11,
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0x11,
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0x11, // Timestamp.
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0x22,
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0x22,
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0x22,
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0x22, // SSRC.
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0xbe,
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0xde,
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0x00,
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0x01, // Extension header.
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0x30,
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0x01,
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0x00,
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0x00, // 90 degree rotation.
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// RTX header.
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0x56,
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0x57, // Orig seqno.
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// Payload.
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0xee,
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};
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std::map<int, int> PayloadTypeMapping() {
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const std::map<int, int> m = {{kRtxPayloadType, kMediaPayloadType}};
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return m;
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}
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template <typename T>
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rtc::ArrayView<T> Truncate(rtc::ArrayView<T> a, size_t drop) {
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return a.subview(0, a.size() - drop);
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}
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} // namespace
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TEST(RtxReceiveStreamTest, RestoresPacketPayload) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet;
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EXPECT_TRUE(rtx_packet.Parse(rtc::ArrayView<const uint8_t>(kRtxPacket)));
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EXPECT_CALL(media_sink, OnRtpPacket)
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.WillOnce([](const RtpPacketReceived& packet) {
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EXPECT_EQ(packet.SequenceNumber(), kMediaSeqno);
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EXPECT_EQ(packet.Ssrc(), kMediaSSRC);
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EXPECT_EQ(packet.PayloadType(), kMediaPayloadType);
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EXPECT_THAT(packet.payload(), ::testing::ElementsAre(0xee));
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});
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, SetsRecoveredFlag) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet;
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EXPECT_TRUE(rtx_packet.Parse(rtc::ArrayView<const uint8_t>(kRtxPacket)));
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EXPECT_FALSE(rtx_packet.recovered());
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EXPECT_CALL(media_sink, OnRtpPacket)
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.WillOnce([](const RtpPacketReceived& packet) {
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EXPECT_TRUE(packet.recovered());
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});
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, IgnoresUnknownPayloadType) {
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StrictMock<MockRtpPacketSink> media_sink;
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const std::map<int, int> payload_type_mapping = {
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{kUnknownPayloadType, kMediaPayloadType}};
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RtxReceiveStream rtx_sink(&media_sink, payload_type_mapping, kMediaSSRC);
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RtpPacketReceived rtx_packet;
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EXPECT_TRUE(rtx_packet.Parse(rtc::ArrayView<const uint8_t>(kRtxPacket)));
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, IgnoresTruncatedPacket) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet;
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EXPECT_TRUE(
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rtx_packet.Parse(Truncate(rtc::ArrayView<const uint8_t>(kRtxPacket), 2)));
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, CopiesRtpHeaderExtensions) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpHeaderExtensionMap extension_map;
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extension_map.RegisterByType(3, kRtpExtensionVideoRotation);
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RtpPacketReceived rtx_packet(&extension_map);
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EXPECT_TRUE(
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rtx_packet.Parse(rtc::ArrayView<const uint8_t>(kRtxPacketWithCVO)));
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VideoRotation rotation = kVideoRotation_0;
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EXPECT_TRUE(rtx_packet.GetExtension<VideoOrientation>(&rotation));
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EXPECT_EQ(kVideoRotation_90, rotation);
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EXPECT_CALL(media_sink, OnRtpPacket)
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.WillOnce([](const RtpPacketReceived& packet) {
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EXPECT_EQ(packet.SequenceNumber(), kMediaSeqno);
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EXPECT_EQ(packet.Ssrc(), kMediaSSRC);
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EXPECT_EQ(packet.PayloadType(), kMediaPayloadType);
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EXPECT_THAT(packet.payload(), ::testing::ElementsAre(0xee));
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VideoRotation rotation = kVideoRotation_0;
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EXPECT_TRUE(packet.GetExtension<VideoOrientation>(&rotation));
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EXPECT_EQ(rotation, kVideoRotation_90);
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});
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, PropagatesArrivalTime) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet(nullptr);
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EXPECT_TRUE(rtx_packet.Parse(rtc::ArrayView<const uint8_t>(kRtxPacket)));
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rtx_packet.set_arrival_time(Timestamp::Millis(123));
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EXPECT_CALL(media_sink, OnRtpPacket(Property(&RtpPacketReceived::arrival_time,
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Timestamp::Millis(123))));
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, SupportsLargePacket) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet;
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constexpr int kRtxPacketSize = 2000;
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constexpr int kRtxPayloadOffset = 14;
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uint8_t large_rtx_packet[kRtxPacketSize];
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memcpy(large_rtx_packet, kRtxPacket, sizeof(kRtxPacket));
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rtc::ArrayView<uint8_t> payload(large_rtx_packet + kRtxPayloadOffset,
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kRtxPacketSize - kRtxPayloadOffset);
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// Fill payload.
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for (size_t i = 0; i < payload.size(); i++) {
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payload[i] = i;
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}
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EXPECT_TRUE(
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rtx_packet.Parse(rtc::ArrayView<const uint8_t>(large_rtx_packet)));
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EXPECT_CALL(media_sink, OnRtpPacket)
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.WillOnce([&](const RtpPacketReceived& packet) {
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EXPECT_EQ(packet.SequenceNumber(), kMediaSeqno);
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EXPECT_EQ(packet.Ssrc(), kMediaSSRC);
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EXPECT_EQ(packet.PayloadType(), kMediaPayloadType);
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EXPECT_THAT(packet.payload(), ::testing::ElementsAreArray(payload));
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});
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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TEST(RtxReceiveStreamTest, SupportsLargePacketWithPadding) {
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StrictMock<MockRtpPacketSink> media_sink;
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RtxReceiveStream rtx_sink(&media_sink, PayloadTypeMapping(), kMediaSSRC);
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RtpPacketReceived rtx_packet;
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constexpr int kRtxPacketSize = 2000;
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constexpr int kRtxPayloadOffset = 14;
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constexpr int kRtxPaddingSize = 50;
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uint8_t large_rtx_packet[kRtxPacketSize];
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memcpy(large_rtx_packet, kRtxPacketWithPadding,
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sizeof(kRtxPacketWithPadding));
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rtc::ArrayView<uint8_t> payload(
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large_rtx_packet + kRtxPayloadOffset,
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kRtxPacketSize - kRtxPayloadOffset - kRtxPaddingSize);
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rtc::ArrayView<uint8_t> padding(
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large_rtx_packet + kRtxPacketSize - kRtxPaddingSize, kRtxPaddingSize);
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// Fill payload.
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for (size_t i = 0; i < payload.size(); i++) {
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payload[i] = i;
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}
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// Fill padding. Only value of last padding byte matters.
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for (size_t i = 0; i < padding.size(); i++) {
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padding[i] = kRtxPaddingSize;
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}
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EXPECT_TRUE(
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rtx_packet.Parse(rtc::ArrayView<const uint8_t>(large_rtx_packet)));
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EXPECT_CALL(media_sink, OnRtpPacket)
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.WillOnce([&](const RtpPacketReceived& packet) {
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EXPECT_EQ(packet.SequenceNumber(), kMediaSeqno);
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EXPECT_EQ(packet.Ssrc(), kMediaSSRC);
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EXPECT_EQ(packet.PayloadType(), kMediaPayloadType);
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EXPECT_THAT(packet.payload(), ::testing::ElementsAreArray(payload));
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});
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rtx_sink.OnRtpPacket(rtx_packet);
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}
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} // namespace webrtc
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