e590416722
This means all channels within the same group will share the same pacing queue and scheduler. It also means padding will be computed and sent by a single pacer. To accomplish this I also introduce a PacketRouter which finds the RTP module which owns the packet to be paced out. BUG=4323 R=mflodman@webrtc.org, pbos@webrtc.org Review URL: https://webrtc-codereview.appspot.com/45549004 Cr-Commit-Position: refs/heads/master@{#8864}
210 lines
7.5 KiB
C++
210 lines
7.5 KiB
C++
/*
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* Copyright (c) 2015 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 <list>
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#include "testing/gmock/include/gmock/gmock.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h"
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#include "webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h"
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#include "webrtc/video_engine/payload_router.h"
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using ::testing::_;
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using ::testing::AnyNumber;
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using ::testing::NiceMock;
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using ::testing::Return;
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namespace webrtc {
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class PayloadRouterTest : public ::testing::Test {
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protected:
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virtual void SetUp() {
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payload_router_.reset(new PayloadRouter());
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}
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rtc::scoped_ptr<PayloadRouter> payload_router_;
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};
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TEST_F(PayloadRouterTest, SendOnOneModule) {
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MockRtpRtcp rtp;
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std::list<RtpRtcp*> modules(1, &rtp);
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payload_router_->SetSendingRtpModules(modules);
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uint8_t payload = 'a';
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FrameType frame_type = kVideoFrameKey;
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int8_t payload_type = 96;
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EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
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NULL))
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.Times(0);
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
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&payload, 1, NULL, NULL));
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payload_router_->set_active(true);
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EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
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NULL))
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.Times(1);
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EXPECT_TRUE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
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&payload, 1, NULL, NULL));
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payload_router_->set_active(false);
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EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
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NULL))
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.Times(0);
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
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&payload, 1, NULL, NULL));
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payload_router_->set_active(true);
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EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
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NULL))
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.Times(1);
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EXPECT_TRUE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
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&payload, 1, NULL, NULL));
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modules.clear();
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payload_router_->SetSendingRtpModules(modules);
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EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
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NULL))
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.Times(0);
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
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&payload, 1, NULL, NULL));
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}
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TEST_F(PayloadRouterTest, SendSimulcast) {
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MockRtpRtcp rtp_1;
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MockRtpRtcp rtp_2;
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std::list<RtpRtcp*> modules;
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modules.push_back(&rtp_1);
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modules.push_back(&rtp_2);
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payload_router_->SetSendingRtpModules(modules);
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uint8_t payload_1 = 'a';
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FrameType frame_type_1 = kVideoFrameKey;
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int8_t payload_type_1 = 96;
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RTPVideoHeader rtp_hdr_1;
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rtp_hdr_1.simulcastIdx = 0;
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payload_router_->set_active(true);
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EXPECT_CALL(rtp_1, SendOutgoingData(frame_type_1, payload_type_1, 0, 0, _, 1,
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NULL, &rtp_hdr_1))
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.Times(1);
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EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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EXPECT_TRUE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
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&payload_1, 1, NULL, &rtp_hdr_1));
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uint8_t payload_2 = 'b';
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FrameType frame_type_2 = kVideoFrameDelta;
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int8_t payload_type_2 = 97;
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RTPVideoHeader rtp_hdr_2;
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rtp_hdr_2.simulcastIdx = 1;
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EXPECT_CALL(rtp_2, SendOutgoingData(frame_type_2, payload_type_2, 0, 0, _, 1,
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NULL, &rtp_hdr_2))
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.Times(1);
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EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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EXPECT_TRUE(payload_router_->RoutePayload(frame_type_2, payload_type_2, 0, 0,
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&payload_2, 1, NULL, &rtp_hdr_2));
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// Inactive.
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payload_router_->set_active(false);
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EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
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&payload_1, 1, NULL, &rtp_hdr_1));
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type_2, payload_type_2, 0, 0,
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&payload_2, 1, NULL, &rtp_hdr_2));
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// Invalid simulcast index.
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payload_router_->set_active(true);
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EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
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.Times(0);
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rtp_hdr_1.simulcastIdx = 2;
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EXPECT_FALSE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
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&payload_1, 1, NULL, &rtp_hdr_1));
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}
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TEST_F(PayloadRouterTest, MaxPayloadLength) {
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// Without any limitations from the modules, verify we get the max payload
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// length for IP/UDP/SRTP with a MTU of 150 bytes.
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const size_t kDefaultMaxLength = 1500 - 20 - 8 - 12 - 4;
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EXPECT_EQ(kDefaultMaxLength, payload_router_->DefaultMaxPayloadLength());
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EXPECT_EQ(kDefaultMaxLength, payload_router_->MaxPayloadLength());
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MockRtpRtcp rtp_1;
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MockRtpRtcp rtp_2;
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std::list<RtpRtcp*> modules;
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modules.push_back(&rtp_1);
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modules.push_back(&rtp_2);
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payload_router_->SetSendingRtpModules(modules);
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// Modules return a higher length than the default value.
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EXPECT_CALL(rtp_1, MaxDataPayloadLength())
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.Times(1)
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.WillOnce(Return(kDefaultMaxLength + 10));
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EXPECT_CALL(rtp_2, MaxDataPayloadLength())
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.Times(1)
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.WillOnce(Return(kDefaultMaxLength + 10));
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EXPECT_EQ(kDefaultMaxLength, payload_router_->MaxPayloadLength());
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// The modules return a value lower than default.
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const size_t kTestMinPayloadLength = 1001;
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EXPECT_CALL(rtp_1, MaxDataPayloadLength())
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.Times(1)
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.WillOnce(Return(kTestMinPayloadLength + 10));
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EXPECT_CALL(rtp_2, MaxDataPayloadLength())
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.Times(1)
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.WillOnce(Return(kTestMinPayloadLength));
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EXPECT_EQ(kTestMinPayloadLength, payload_router_->MaxPayloadLength());
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}
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TEST_F(PayloadRouterTest, SetTargetSendBitrates) {
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MockRtpRtcp rtp_1;
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MockRtpRtcp rtp_2;
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std::list<RtpRtcp*> modules;
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modules.push_back(&rtp_1);
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modules.push_back(&rtp_2);
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payload_router_->SetSendingRtpModules(modules);
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const uint32_t bitrate_1 = 10000;
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const uint32_t bitrate_2 = 76543;
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std::vector<uint32_t> bitrates (2, bitrate_1);
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bitrates[1] = bitrate_2;
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EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
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.Times(1);
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EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
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.Times(1);
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payload_router_->SetTargetSendBitrates(bitrates);
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bitrates.resize(1);
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EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
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.Times(0);
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EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
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.Times(0);
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payload_router_->SetTargetSendBitrates(bitrates);
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bitrates.resize(3);
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bitrates[1] = bitrate_2;
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bitrates[2] = bitrate_1 + bitrate_2;
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EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
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.Times(1);
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EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
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.Times(1);
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payload_router_->SetTargetSendBitrates(bitrates);
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}
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} // namespace webrtc
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