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/*
* Copyright (c) 2019 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 "test/frame_generator_capturer.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "test/create_frame_generator_capturer.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/time_controller/simulated_time_controller.h"
namespace webrtc {
namespace test {
namespace {
using ::testing::Eq;
using ::testing::Property;
constexpr int kWidth = 640;
constexpr int kHeight = 360;
class MockVideoSinkInterfaceVideoFrame : public VideoSinkInterface<VideoFrame> {
public:
MOCK_METHOD(void, OnFrame, (const VideoFrame& frame), (override));
MOCK_METHOD(void, OnDiscardedFrame, (), (override));
};
} // namespace
TEST(FrameGeneratorCapturerTest, CreateFromConfig) {
GlobalSimulatedTimeController time(Timestamp::Seconds(1000));
FrameGeneratorCapturerConfig config;
config.squares_video->width = 300;
config.squares_video->height = 200;
config.squares_video->framerate = 20;
auto capturer = CreateFrameGeneratorCapturer(
time.GetClock(), *time.GetTaskQueueFactory(), config);
testing::StrictMock<MockVideoSinkInterfaceVideoFrame> mock_sink;
capturer->AddOrUpdateSink(&mock_sink, VideoSinkWants());
capturer->Start();
EXPECT_CALL(mock_sink, OnFrame(Property(&VideoFrame::width, Eq(300))))
.Times(21);
time.AdvanceTime(TimeDelta::Seconds(1));
}
TEST(FrameGeneratorCapturerTest, OnOutputFormatRequest) {
GlobalSimulatedTimeController time(Timestamp::Seconds(1000));
FrameGeneratorCapturerConfig config;
config.squares_video->width = kWidth;
config.squares_video->height = kHeight;
config.squares_video->framerate = 20;
auto capturer = CreateFrameGeneratorCapturer(
time.GetClock(), *time.GetTaskQueueFactory(), config);
testing::StrictMock<MockVideoSinkInterfaceVideoFrame> mock_sink;
capturer->AddOrUpdateSink(&mock_sink, VideoSinkWants());
capturer->OnOutputFormatRequest(kWidth / 2, kHeight / 2, /*max_fps=*/10);
capturer->Start();
EXPECT_CALL(mock_sink, OnFrame(Property(&VideoFrame::width, Eq(kWidth / 2))))
.Times(11);
time.AdvanceTime(TimeDelta::Seconds(1));
}
TEST(FrameGeneratorCapturerTest, ChangeResolution) {
GlobalSimulatedTimeController time(Timestamp::Seconds(1000));
FrameGeneratorCapturerConfig config;
config.squares_video->width = kWidth;
config.squares_video->height = kHeight;
config.squares_video->framerate = 20;
auto capturer = CreateFrameGeneratorCapturer(
time.GetClock(), *time.GetTaskQueueFactory(), config);
EXPECT_TRUE(capturer->GetResolution());
EXPECT_EQ(kWidth, capturer->GetResolution()->width);
EXPECT_EQ(kHeight, capturer->GetResolution()->height);
capturer->Start();
time.AdvanceTime(TimeDelta::Seconds(1));
ASSERT_TRUE(capturer->GetResolution());
EXPECT_EQ(kWidth, capturer->GetResolution()->width);
EXPECT_EQ(kHeight, capturer->GetResolution()->height);
capturer->ChangeResolution(kWidth / 2, kHeight / 2);
time.AdvanceTime(TimeDelta::Seconds(1));
ASSERT_TRUE(capturer->GetResolution());
EXPECT_EQ(kWidth / 2, capturer->GetResolution()->width);
EXPECT_EQ(kHeight / 2, capturer->GetResolution()->height);
}
TEST(FrameGeneratorCapturerTest, AllowZeroHertz) {
GlobalSimulatedTimeController time(Timestamp::Seconds(1000));
FrameGeneratorCapturerConfig config;
config.image_slides->framerate = 30;
config.image_slides->change_interval = TimeDelta::Millis(500);
config.allow_zero_hertz = true;
auto capturer = CreateFrameGeneratorCapturer(
time.GetClock(), *time.GetTaskQueueFactory(), config);
testing::StrictMock<MockVideoSinkInterfaceVideoFrame> mock_sink;
capturer->AddOrUpdateSink(&mock_sink, VideoSinkWants());
capturer->Start();
// The video changes frame every 500ms so during 10s we expect to capture 20
// frames. The framerate set to 30 is ignored.
EXPECT_CALL(mock_sink, OnFrame).Times(21);
time.AdvanceTime(TimeDelta::Seconds(10));
}
TEST(FrameGeneratorCapturerTest, AllowZeroHertzMinimumFps) {
GlobalSimulatedTimeController time(Timestamp::Seconds(1000));
FrameGeneratorCapturerConfig config;
config.image_slides->framerate = 1;
config.image_slides->change_interval = TimeDelta::Seconds(11);
config.allow_zero_hertz = true;
auto capturer = CreateFrameGeneratorCapturer(
time.GetClock(), *time.GetTaskQueueFactory(), config);
testing::StrictMock<MockVideoSinkInterfaceVideoFrame> mock_sink;
capturer->AddOrUpdateSink(&mock_sink, VideoSinkWants());
capturer->Start();
// The video frame never changes but the capturer still sends a minimum of one
// frame per second.
EXPECT_CALL(mock_sink, OnFrame).Times(11);
time.AdvanceTime(TimeDelta::Seconds(10));
}
} // namespace test
} // namespace webrtc
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