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/*
* Copyright (c) 2012 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 "modules/video_coding/codecs/interface/mock/mock_video_codec_interface.h"
#include "modules/video_coding/main/interface/video_coding.h"
#include "system_wrappers/interface/scoped_ptr.h"
#include "gtest/gtest.h"
using ::testing::_;
using ::testing::AllOf;
using ::testing::ElementsAre;
using ::testing::ElementsAreArray;
using ::testing::Field;
using ::testing::NiceMock;
using ::testing::Pointee;
using ::testing::Return;
namespace webrtc {
class TestVideoCodingModule : public ::testing::Test {
protected:
static const int kDefaultWidth = 1280;
static const int kDefaultHeight = 720;
static const int kNumberOfStreams = 3;
static const int kNumberOfLayers = 3;
static const int kUnusedPayloadType = 10;
virtual void SetUp() {
vcm_ = VideoCodingModule::Create(0);
EXPECT_EQ(0, vcm_->RegisterExternalEncoder(&encoder_, kUnusedPayloadType,
false));
memset(&settings_, 0, sizeof(settings_));
EXPECT_EQ(0, vcm_->Codec(kVideoCodecVP8, &settings_));
settings_.numberOfSimulcastStreams = kNumberOfStreams;
ConfigureStream(kDefaultWidth / 4, kDefaultHeight / 4, 100,
&settings_.simulcastStream[0]);
ConfigureStream(kDefaultWidth / 2, kDefaultHeight / 2, 500,
&settings_.simulcastStream[1]);
ConfigureStream(kDefaultWidth, kDefaultHeight, 1200,
&settings_.simulcastStream[2]);
settings_.plType = kUnusedPayloadType; // Use the mocked encoder.
EXPECT_EQ(0, vcm_->RegisterSendCodec(&settings_, 1, 1200));
}
virtual void TearDown() {
VideoCodingModule::Destroy(vcm_);
}
void ExpectIntraRequest(int stream) {
if (stream == -1) {
// No intra request expected.
EXPECT_CALL(encoder_, Encode(
_, _, Pointee(ElementsAre(kDeltaFrame, kDeltaFrame, kDeltaFrame))))
.Times(1)
.WillRepeatedly(Return(0));
return;
}
assert(stream >= 0);
assert(stream < kNumberOfStreams);
std::vector<VideoFrameType> frame_types(kNumberOfStreams, kDeltaFrame);
frame_types[stream] = kKeyFrame;
EXPECT_CALL(encoder_, Encode(
_, _, Pointee(ElementsAreArray(&frame_types[0], frame_types.size()))))
.Times(1)
.WillRepeatedly(Return(0));
}
static void ConfigureStream(int width, int height, int max_bitrate,
SimulcastStream* stream) {
assert(stream);
stream->width = width;
stream->height = height;
stream->maxBitrate = max_bitrate;
stream->numberOfTemporalLayers = kNumberOfLayers;
stream->qpMax = 45;
}
VideoCodingModule* vcm_;
NiceMock<MockVideoEncoder> encoder_;
I420VideoFrame input_frame_;
VideoCodec settings_;
};
TEST_F(TestVideoCodingModule, TestIntraRequests) {
EXPECT_EQ(0, vcm_->IntraFrameRequest(0));
ExpectIntraRequest(0);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
ExpectIntraRequest(-1);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
EXPECT_EQ(0, vcm_->IntraFrameRequest(1));
ExpectIntraRequest(1);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
ExpectIntraRequest(-1);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
EXPECT_EQ(0, vcm_->IntraFrameRequest(2));
ExpectIntraRequest(2);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
ExpectIntraRequest(-1);
EXPECT_EQ(0, vcm_->AddVideoFrame(input_frame_, NULL, NULL));
}
} // namespace webrtc
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