blob: 12ef076c6d58f378458d4bb87ccff204d3e3788f [file] [log] [blame]
/*
* Copyright (c) 2014 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 "webrtc/video/video_capture_input.h"
#include <vector>
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/common.h"
#include "webrtc/modules/utility/include/mock/mock_process_thread.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/system_wrappers/include/event_wrapper.h"
#include "webrtc/system_wrappers/include/ref_count.h"
#include "webrtc/system_wrappers/include/scoped_vector.h"
#include "webrtc/test/fake_texture_frame.h"
#include "webrtc/video/send_statistics_proxy.h"
using ::testing::_;
using ::testing::Invoke;
using ::testing::NiceMock;
using ::testing::Return;
using ::testing::WithArg;
// If an output frame does not arrive in 500ms, the test will fail.
#define FRAME_TIMEOUT_MS 500
namespace webrtc {
class MockVideoCaptureCallback : public VideoCaptureCallback {
public:
MOCK_METHOD1(DeliverFrame, void(VideoFrame video_frame));
};
bool EqualFrames(const VideoFrame& frame1, const VideoFrame& frame2);
bool EqualTextureFrames(const VideoFrame& frame1, const VideoFrame& frame2);
bool EqualBufferFrames(const VideoFrame& frame1, const VideoFrame& frame2);
bool EqualFramesVector(const ScopedVector<VideoFrame>& frames1,
const ScopedVector<VideoFrame>& frames2);
VideoFrame* CreateVideoFrame(uint8_t length);
class VideoCaptureInputTest : public ::testing::Test {
protected:
VideoCaptureInputTest()
: mock_process_thread_(new NiceMock<MockProcessThread>),
mock_frame_callback_(new NiceMock<MockVideoCaptureCallback>),
output_frame_event_(EventWrapper::Create()),
stats_proxy_(Clock::GetRealTimeClock(),
webrtc::VideoSendStream::Config(nullptr)) {}
virtual void SetUp() {
EXPECT_CALL(*mock_frame_callback_, DeliverFrame(_))
.WillRepeatedly(
WithArg<0>(Invoke(this, &VideoCaptureInputTest::AddOutputFrame)));
Config config;
input_.reset(new internal::VideoCaptureInput(
mock_process_thread_.get(), mock_frame_callback_.get(), nullptr,
&stats_proxy_, nullptr, nullptr));
}
virtual void TearDown() {
// VideoCaptureInput accesses |mock_process_thread_| in destructor and
// should
// be deleted first.
input_.reset();
}
void AddInputFrame(VideoFrame* frame) {
input_->IncomingCapturedFrame(*frame);
}
void AddOutputFrame(const VideoFrame& frame) {
if (frame.native_handle() == NULL)
output_frame_ybuffers_.push_back(frame.buffer(kYPlane));
output_frames_.push_back(new VideoFrame(frame));
output_frame_event_->Set();
}
void WaitOutputFrame() {
EXPECT_EQ(kEventSignaled, output_frame_event_->Wait(FRAME_TIMEOUT_MS));
}
rtc::scoped_ptr<MockProcessThread> mock_process_thread_;
rtc::scoped_ptr<MockVideoCaptureCallback> mock_frame_callback_;
// Used to send input capture frames to VideoCaptureInput.
rtc::scoped_ptr<internal::VideoCaptureInput> input_;
// Input capture frames of VideoCaptureInput.
ScopedVector<VideoFrame> input_frames_;
// Indicate an output frame has arrived.
rtc::scoped_ptr<EventWrapper> output_frame_event_;
// Output delivered frames of VideoCaptureInput.
ScopedVector<VideoFrame> output_frames_;
// The pointers of Y plane buffers of output frames. This is used to verify
// the frame are swapped and not copied.
std::vector<const uint8_t*> output_frame_ybuffers_;
SendStatisticsProxy stats_proxy_;
};
TEST_F(VideoCaptureInputTest, DoesNotRetainHandleNorCopyBuffer) {
// Indicate an output frame has arrived.
rtc::scoped_ptr<EventWrapper> frame_destroyed_event(EventWrapper::Create());
class TestBuffer : public webrtc::I420Buffer {
public:
explicit TestBuffer(EventWrapper* event)
: I420Buffer(5, 5), event_(event) {}
private:
friend class rtc::RefCountedObject<TestBuffer>;
~TestBuffer() override { event_->Set(); }
EventWrapper* event_;
};
VideoFrame frame(
new rtc::RefCountedObject<TestBuffer>(frame_destroyed_event.get()), 1, 1,
kVideoRotation_0);
AddInputFrame(&frame);
WaitOutputFrame();
EXPECT_EQ(output_frames_[0]->video_frame_buffer().get(),
frame.video_frame_buffer().get());
output_frames_.clear();
frame.Reset();
EXPECT_EQ(kEventSignaled, frame_destroyed_event->Wait(FRAME_TIMEOUT_MS));
}
TEST_F(VideoCaptureInputTest, TestNtpTimeStampSetIfRenderTimeSet) {
input_frames_.push_back(CreateVideoFrame(0));
input_frames_[0]->set_render_time_ms(5);
input_frames_[0]->set_ntp_time_ms(0);
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
EXPECT_GT(output_frames_[0]->ntp_time_ms(),
input_frames_[0]->render_time_ms());
}
TEST_F(VideoCaptureInputTest, TestRtpTimeStampSet) {
input_frames_.push_back(CreateVideoFrame(0));
input_frames_[0]->set_render_time_ms(0);
input_frames_[0]->set_ntp_time_ms(1);
input_frames_[0]->set_timestamp(0);
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
EXPECT_EQ(output_frames_[0]->timestamp(),
input_frames_[0]->ntp_time_ms() * 90);
}
TEST_F(VideoCaptureInputTest, DropsFramesWithSameOrOldNtpTimestamp) {
input_frames_.push_back(CreateVideoFrame(0));
input_frames_[0]->set_ntp_time_ms(17);
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
EXPECT_EQ(output_frames_[0]->timestamp(),
input_frames_[0]->ntp_time_ms() * 90);
// Repeat frame with the same NTP timestamp should drop.
AddInputFrame(input_frames_[0]);
EXPECT_EQ(kEventTimeout, output_frame_event_->Wait(FRAME_TIMEOUT_MS));
// As should frames with a decreased NTP timestamp.
input_frames_[0]->set_ntp_time_ms(input_frames_[0]->ntp_time_ms() - 1);
AddInputFrame(input_frames_[0]);
EXPECT_EQ(kEventTimeout, output_frame_event_->Wait(FRAME_TIMEOUT_MS));
// But delivering with an increased NTP timestamp should succeed.
input_frames_[0]->set_ntp_time_ms(4711);
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
EXPECT_EQ(output_frames_[1]->timestamp(),
input_frames_[0]->ntp_time_ms() * 90);
}
TEST_F(VideoCaptureInputTest, TestTextureFrames) {
const int kNumFrame = 3;
for (int i = 0 ; i < kNumFrame; ++i) {
test::FakeNativeHandle* dummy_handle = new test::FakeNativeHandle();
// Add one to |i| so that width/height > 0.
input_frames_.push_back(new VideoFrame(test::CreateFakeNativeHandleFrame(
dummy_handle, i + 1, i + 1, i + 1, i + 1, webrtc::kVideoRotation_0)));
AddInputFrame(input_frames_[i]);
WaitOutputFrame();
EXPECT_EQ(dummy_handle, output_frames_[i]->native_handle());
}
EXPECT_TRUE(EqualFramesVector(input_frames_, output_frames_));
}
TEST_F(VideoCaptureInputTest, TestI420Frames) {
const int kNumFrame = 4;
std::vector<const uint8_t*> ybuffer_pointers;
for (int i = 0; i < kNumFrame; ++i) {
input_frames_.push_back(CreateVideoFrame(static_cast<uint8_t>(i + 1)));
const VideoFrame* const_input_frame = input_frames_[i];
ybuffer_pointers.push_back(const_input_frame->buffer(kYPlane));
AddInputFrame(input_frames_[i]);
WaitOutputFrame();
}
EXPECT_TRUE(EqualFramesVector(input_frames_, output_frames_));
// Make sure the buffer is not copied.
for (int i = 0; i < kNumFrame; ++i)
EXPECT_EQ(ybuffer_pointers[i], output_frame_ybuffers_[i]);
}
TEST_F(VideoCaptureInputTest, TestI420FrameAfterTextureFrame) {
test::FakeNativeHandle* dummy_handle = new test::FakeNativeHandle();
input_frames_.push_back(new VideoFrame(test::CreateFakeNativeHandleFrame(
dummy_handle, 1, 1, 1, 1, webrtc::kVideoRotation_0)));
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
EXPECT_EQ(dummy_handle, output_frames_[0]->native_handle());
input_frames_.push_back(CreateVideoFrame(2));
AddInputFrame(input_frames_[1]);
WaitOutputFrame();
EXPECT_TRUE(EqualFramesVector(input_frames_, output_frames_));
}
TEST_F(VideoCaptureInputTest, TestTextureFrameAfterI420Frame) {
input_frames_.push_back(CreateVideoFrame(1));
AddInputFrame(input_frames_[0]);
WaitOutputFrame();
test::FakeNativeHandle* dummy_handle = new test::FakeNativeHandle();
input_frames_.push_back(new VideoFrame(test::CreateFakeNativeHandleFrame(
dummy_handle, 1, 1, 2, 2, webrtc::kVideoRotation_0)));
AddInputFrame(input_frames_[1]);
WaitOutputFrame();
EXPECT_TRUE(EqualFramesVector(input_frames_, output_frames_));
}
bool EqualFrames(const VideoFrame& frame1, const VideoFrame& frame2) {
if (frame1.native_handle() != NULL || frame2.native_handle() != NULL)
return EqualTextureFrames(frame1, frame2);
return EqualBufferFrames(frame1, frame2);
}
bool EqualTextureFrames(const VideoFrame& frame1, const VideoFrame& frame2) {
return ((frame1.native_handle() == frame2.native_handle()) &&
(frame1.width() == frame2.width()) &&
(frame1.height() == frame2.height()) &&
(frame1.render_time_ms() == frame2.render_time_ms()));
}
bool EqualBufferFrames(const VideoFrame& frame1, const VideoFrame& frame2) {
return ((frame1.width() == frame2.width()) &&
(frame1.height() == frame2.height()) &&
(frame1.stride(kYPlane) == frame2.stride(kYPlane)) &&
(frame1.stride(kUPlane) == frame2.stride(kUPlane)) &&
(frame1.stride(kVPlane) == frame2.stride(kVPlane)) &&
(frame1.render_time_ms() == frame2.render_time_ms()) &&
(frame1.allocated_size(kYPlane) == frame2.allocated_size(kYPlane)) &&
(frame1.allocated_size(kUPlane) == frame2.allocated_size(kUPlane)) &&
(frame1.allocated_size(kVPlane) == frame2.allocated_size(kVPlane)) &&
(memcmp(frame1.buffer(kYPlane), frame2.buffer(kYPlane),
frame1.allocated_size(kYPlane)) == 0) &&
(memcmp(frame1.buffer(kUPlane), frame2.buffer(kUPlane),
frame1.allocated_size(kUPlane)) == 0) &&
(memcmp(frame1.buffer(kVPlane), frame2.buffer(kVPlane),
frame1.allocated_size(kVPlane)) == 0));
}
bool EqualFramesVector(const ScopedVector<VideoFrame>& frames1,
const ScopedVector<VideoFrame>& frames2) {
if (frames1.size() != frames2.size())
return false;
for (size_t i = 0; i < frames1.size(); ++i) {
if (!EqualFrames(*frames1[i], *frames2[i]))
return false;
}
return true;
}
VideoFrame* CreateVideoFrame(uint8_t data) {
VideoFrame* frame = new VideoFrame();
const int width = 36;
const int height = 24;
const int kSizeY = width * height * 2;
uint8_t buffer[kSizeY];
memset(buffer, data, kSizeY);
frame->CreateFrame(buffer, buffer, buffer, width, height, width, width / 2,
width / 2);
frame->set_render_time_ms(data);
return frame;
}
} // namespace webrtc