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/*
* Copyright (c) 2015 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 <list>
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h"
#include "webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h"
#include "webrtc/video_engine/payload_router.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::NiceMock;
using ::testing::Return;
namespace webrtc {
class PayloadRouterTest : public ::testing::Test {
protected:
virtual void SetUp() {
payload_router_.reset(new PayloadRouter());
}
rtc::scoped_ptr<PayloadRouter> payload_router_;
};
TEST_F(PayloadRouterTest, SendOnOneModule) {
MockRtpRtcp rtp;
std::list<RtpRtcp*> modules(1, &rtp);
payload_router_->SetSendingRtpModules(modules);
uint8_t payload = 'a';
FrameType frame_type = kVideoFrameKey;
int8_t payload_type = 96;
EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
NULL))
.Times(0);
EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
&payload, 1, NULL, NULL));
payload_router_->set_active(true);
EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
NULL))
.Times(1);
EXPECT_TRUE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
&payload, 1, NULL, NULL));
payload_router_->set_active(false);
EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
NULL))
.Times(0);
EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
&payload, 1, NULL, NULL));
payload_router_->set_active(true);
EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
NULL))
.Times(1);
EXPECT_TRUE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
&payload, 1, NULL, NULL));
modules.clear();
payload_router_->SetSendingRtpModules(modules);
EXPECT_CALL(rtp, SendOutgoingData(frame_type, payload_type, 0, 0, _, 1, NULL,
NULL))
.Times(0);
EXPECT_FALSE(payload_router_->RoutePayload(frame_type, payload_type, 0, 0,
&payload, 1, NULL, NULL));
}
TEST_F(PayloadRouterTest, SendSimulcast) {
MockRtpRtcp rtp_1;
MockRtpRtcp rtp_2;
std::list<RtpRtcp*> modules;
modules.push_back(&rtp_1);
modules.push_back(&rtp_2);
payload_router_->SetSendingRtpModules(modules);
uint8_t payload_1 = 'a';
FrameType frame_type_1 = kVideoFrameKey;
int8_t payload_type_1 = 96;
RTPVideoHeader rtp_hdr_1;
rtp_hdr_1.simulcastIdx = 0;
payload_router_->set_active(true);
EXPECT_CALL(rtp_1, SendOutgoingData(frame_type_1, payload_type_1, 0, 0, _, 1,
NULL, &rtp_hdr_1))
.Times(1);
EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
EXPECT_TRUE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
&payload_1, 1, NULL, &rtp_hdr_1));
uint8_t payload_2 = 'b';
FrameType frame_type_2 = kVideoFrameDelta;
int8_t payload_type_2 = 97;
RTPVideoHeader rtp_hdr_2;
rtp_hdr_2.simulcastIdx = 1;
EXPECT_CALL(rtp_2, SendOutgoingData(frame_type_2, payload_type_2, 0, 0, _, 1,
NULL, &rtp_hdr_2))
.Times(1);
EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
EXPECT_TRUE(payload_router_->RoutePayload(frame_type_2, payload_type_2, 0, 0,
&payload_2, 1, NULL, &rtp_hdr_2));
// Inactive.
payload_router_->set_active(false);
EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
EXPECT_FALSE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
&payload_1, 1, NULL, &rtp_hdr_1));
EXPECT_FALSE(payload_router_->RoutePayload(frame_type_2, payload_type_2, 0, 0,
&payload_2, 1, NULL, &rtp_hdr_2));
// Invalid simulcast index.
payload_router_->set_active(true);
EXPECT_CALL(rtp_1, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
EXPECT_CALL(rtp_2, SendOutgoingData(_, _, _, _, _, _, _, _))
.Times(0);
rtp_hdr_1.simulcastIdx = 2;
EXPECT_FALSE(payload_router_->RoutePayload(frame_type_1, payload_type_1, 0, 0,
&payload_1, 1, NULL, &rtp_hdr_1));
}
TEST_F(PayloadRouterTest, MaxPayloadLength) {
// Without any limitations from the modules, verify we get the max payload
// length for IP/UDP/SRTP with a MTU of 150 bytes.
const size_t kDefaultMaxLength = 1500 - 20 - 8 - 12 - 4;
EXPECT_EQ(kDefaultMaxLength, payload_router_->DefaultMaxPayloadLength());
EXPECT_EQ(kDefaultMaxLength, payload_router_->MaxPayloadLength());
MockRtpRtcp rtp_1;
MockRtpRtcp rtp_2;
std::list<RtpRtcp*> modules;
modules.push_back(&rtp_1);
modules.push_back(&rtp_2);
payload_router_->SetSendingRtpModules(modules);
// Modules return a higher length than the default value.
EXPECT_CALL(rtp_1, MaxDataPayloadLength())
.Times(1)
.WillOnce(Return(kDefaultMaxLength + 10));
EXPECT_CALL(rtp_2, MaxDataPayloadLength())
.Times(1)
.WillOnce(Return(kDefaultMaxLength + 10));
EXPECT_EQ(kDefaultMaxLength, payload_router_->MaxPayloadLength());
// The modules return a value lower than default.
const size_t kTestMinPayloadLength = 1001;
EXPECT_CALL(rtp_1, MaxDataPayloadLength())
.Times(1)
.WillOnce(Return(kTestMinPayloadLength + 10));
EXPECT_CALL(rtp_2, MaxDataPayloadLength())
.Times(1)
.WillOnce(Return(kTestMinPayloadLength));
EXPECT_EQ(kTestMinPayloadLength, payload_router_->MaxPayloadLength());
}
TEST_F(PayloadRouterTest, SetTargetSendBitrates) {
MockRtpRtcp rtp_1;
MockRtpRtcp rtp_2;
std::list<RtpRtcp*> modules;
modules.push_back(&rtp_1);
modules.push_back(&rtp_2);
payload_router_->SetSendingRtpModules(modules);
const uint32_t bitrate_1 = 10000;
const uint32_t bitrate_2 = 76543;
std::vector<uint32_t> bitrates (2, bitrate_1);
bitrates[1] = bitrate_2;
EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
.Times(1);
EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
.Times(1);
payload_router_->SetTargetSendBitrates(bitrates);
bitrates.resize(1);
EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
.Times(0);
EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
.Times(0);
payload_router_->SetTargetSendBitrates(bitrates);
bitrates.resize(3);
bitrates[1] = bitrate_2;
bitrates[2] = bitrate_1 + bitrate_2;
EXPECT_CALL(rtp_1, SetTargetSendBitrate(bitrate_1))
.Times(1);
EXPECT_CALL(rtp_2, SetTargetSendBitrate(bitrate_2))
.Times(1);
payload_router_->SetTargetSendBitrates(bitrates);
}
} // namespace webrtc
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