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android13/external/webrtc/modules/video_capture/test/video_capture_unittest.cc

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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 "modules/video_capture/video_capture.h"
#include <stdio.h>
#include <map>
#include <memory>
#include <sstream>
#include "absl/memory/memory.h"
#include "api/scoped_refptr.h"
#include "api/video/i420_buffer.h"
#include "api/video/video_frame.h"
#include "common_video/libyuv/include/webrtc_libyuv.h"
#include "modules/utility/include/process_thread.h"
#include "modules/video_capture/video_capture_factory.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/time_utils.h"
#include "system_wrappers/include/sleep.h"
#include "test/frame_utils.h"
#include "test/gtest.h"
using webrtc::SleepMs;
using webrtc::VideoCaptureCapability;
using webrtc::VideoCaptureFactory;
using webrtc::VideoCaptureModule;
#define WAIT_(ex, timeout, res) \
do { \
res = (ex); \
int64_t start = rtc::TimeMillis(); \
while (!res && rtc::TimeMillis() < start + timeout) { \
SleepMs(5); \
res = (ex); \
} \
} while (0)
#define EXPECT_TRUE_WAIT(ex, timeout) \
do { \
bool res; \
WAIT_(ex, timeout, res); \
if (!res) \
EXPECT_TRUE(ex); \
} while (0)
static const int kTimeOut = 5000;
#ifdef WEBRTC_MAC
static const int kTestHeight = 288;
static const int kTestWidth = 352;
static const int kTestFramerate = 30;
#endif
class TestVideoCaptureCallback
: public rtc::VideoSinkInterface<webrtc::VideoFrame> {
public:
TestVideoCaptureCallback()
: last_render_time_ms_(0),
incoming_frames_(0),
timing_warnings_(0),
rotate_frame_(webrtc::kVideoRotation_0) {}
~TestVideoCaptureCallback() override {
if (timing_warnings_ > 0)
printf("No of timing warnings %d\n", timing_warnings_);
}
void OnFrame(const webrtc::VideoFrame& videoFrame) override {
webrtc::MutexLock lock(&capture_lock_);
int height = videoFrame.height();
int width = videoFrame.width();
#if defined(WEBRTC_ANDROID) && WEBRTC_ANDROID
// Android camera frames may be rotated depending on test device
// orientation.
EXPECT_TRUE(height == capability_.height || height == capability_.width);
EXPECT_TRUE(width == capability_.width || width == capability_.height);
#else
EXPECT_EQ(height, capability_.height);
EXPECT_EQ(width, capability_.width);
EXPECT_EQ(rotate_frame_, videoFrame.rotation());
#endif
// RenderTimstamp should be the time now.
EXPECT_TRUE(videoFrame.render_time_ms() >= rtc::TimeMillis() - 30 &&
videoFrame.render_time_ms() <= rtc::TimeMillis());
if ((videoFrame.render_time_ms() >
last_render_time_ms_ + (1000 * 1.1) / capability_.maxFPS &&
last_render_time_ms_ > 0) ||
(videoFrame.render_time_ms() <
last_render_time_ms_ + (1000 * 0.9) / capability_.maxFPS &&
last_render_time_ms_ > 0)) {
timing_warnings_++;
}
incoming_frames_++;
last_render_time_ms_ = videoFrame.render_time_ms();
last_frame_ = videoFrame.video_frame_buffer();
}
void SetExpectedCapability(VideoCaptureCapability capability) {
webrtc::MutexLock lock(&capture_lock_);
capability_ = capability;
incoming_frames_ = 0;
last_render_time_ms_ = 0;
}
int incoming_frames() {
webrtc::MutexLock lock(&capture_lock_);
return incoming_frames_;
}
int timing_warnings() {
webrtc::MutexLock lock(&capture_lock_);
return timing_warnings_;
}
VideoCaptureCapability capability() {
webrtc::MutexLock lock(&capture_lock_);
return capability_;
}
bool CompareLastFrame(const webrtc::VideoFrame& frame) {
webrtc::MutexLock lock(&capture_lock_);
return webrtc::test::FrameBufsEqual(last_frame_,
frame.video_frame_buffer());
}
void SetExpectedCaptureRotation(webrtc::VideoRotation rotation) {
webrtc::MutexLock lock(&capture_lock_);
rotate_frame_ = rotation;
}
private:
webrtc::Mutex capture_lock_;
VideoCaptureCapability capability_;
int64_t last_render_time_ms_;
int incoming_frames_;
int timing_warnings_;
rtc::scoped_refptr<webrtc::VideoFrameBuffer> last_frame_;
webrtc::VideoRotation rotate_frame_;
};
class VideoCaptureTest : public ::testing::Test {
public:
VideoCaptureTest() : number_of_devices_(0) {}
void SetUp() override {
device_info_.reset(VideoCaptureFactory::CreateDeviceInfo());
assert(device_info_.get());
number_of_devices_ = device_info_->NumberOfDevices();
ASSERT_GT(number_of_devices_, 0u);
}
rtc::scoped_refptr<VideoCaptureModule> OpenVideoCaptureDevice(
unsigned int device,
rtc::VideoSinkInterface<webrtc::VideoFrame>* callback) {
char device_name[256];
char unique_name[256];
EXPECT_EQ(0, device_info_->GetDeviceName(device, device_name, 256,
unique_name, 256));
rtc::scoped_refptr<VideoCaptureModule> module(
VideoCaptureFactory::Create(unique_name));
if (module.get() == NULL)
return NULL;
EXPECT_FALSE(module->CaptureStarted());
module->RegisterCaptureDataCallback(callback);
return module;
}
void StartCapture(VideoCaptureModule* capture_module,
VideoCaptureCapability capability) {
ASSERT_EQ(0, capture_module->StartCapture(capability));
EXPECT_TRUE(capture_module->CaptureStarted());
VideoCaptureCapability resulting_capability;
EXPECT_EQ(0, capture_module->CaptureSettings(resulting_capability));
EXPECT_EQ(capability.width, resulting_capability.width);
EXPECT_EQ(capability.height, resulting_capability.height);
}
std::unique_ptr<VideoCaptureModule::DeviceInfo> device_info_;
unsigned int number_of_devices_;
};
#ifdef WEBRTC_MAC
// Currently fails on Mac 64-bit, see
// https://bugs.chromium.org/p/webrtc/issues/detail?id=5406
#define MAYBE_CreateDelete DISABLED_CreateDelete
#else
#define MAYBE_CreateDelete CreateDelete
#endif
TEST_F(VideoCaptureTest, MAYBE_CreateDelete) {
for (int i = 0; i < 5; ++i) {
int64_t start_time = rtc::TimeMillis();
TestVideoCaptureCallback capture_observer;
rtc::scoped_refptr<VideoCaptureModule> module(
OpenVideoCaptureDevice(0, &capture_observer));
ASSERT_TRUE(module.get() != NULL);
VideoCaptureCapability capability;
#ifndef WEBRTC_MAC
device_info_->GetCapability(module->CurrentDeviceName(), 0, capability);
#else
capability.width = kTestWidth;
capability.height = kTestHeight;
capability.maxFPS = kTestFramerate;
capability.videoType = webrtc::VideoType::kUnknown;
#endif
capture_observer.SetExpectedCapability(capability);
ASSERT_NO_FATAL_FAILURE(StartCapture(module.get(), capability));
// Less than 4s to start the camera.
EXPECT_LE(rtc::TimeMillis() - start_time, 4000);
// Make sure 5 frames are captured.
EXPECT_TRUE_WAIT(capture_observer.incoming_frames() >= 5, kTimeOut);
int64_t stop_time = rtc::TimeMillis();
EXPECT_EQ(0, module->StopCapture());
EXPECT_FALSE(module->CaptureStarted());
// Less than 3s to stop the camera.
EXPECT_LE(rtc::TimeMillis() - stop_time, 3000);
}
}
#ifdef WEBRTC_MAC
// Currently fails on Mac 64-bit, see
// https://bugs.chromium.org/p/webrtc/issues/detail?id=5406
#define MAYBE_Capabilities DISABLED_Capabilities
#else
#define MAYBE_Capabilities Capabilities
#endif
TEST_F(VideoCaptureTest, MAYBE_Capabilities) {
TestVideoCaptureCallback capture_observer;
rtc::scoped_refptr<VideoCaptureModule> module(
OpenVideoCaptureDevice(0, &capture_observer));
ASSERT_TRUE(module.get() != NULL);
int number_of_capabilities =
device_info_->NumberOfCapabilities(module->CurrentDeviceName());
EXPECT_GT(number_of_capabilities, 0);
// Key is <width>x<height>, value is vector of maxFPS values at that
// resolution.
typedef std::map<std::string, std::vector<int> > FrameRatesByResolution;
FrameRatesByResolution frame_rates_by_resolution;
for (int i = 0; i < number_of_capabilities; ++i) {
VideoCaptureCapability capability;
EXPECT_EQ(0, device_info_->GetCapability(module->CurrentDeviceName(), i,
capability));
std::ostringstream resolutionStream;
resolutionStream << capability.width << "x" << capability.height;
resolutionStream.flush();
std::string resolution = resolutionStream.str();
frame_rates_by_resolution[resolution].push_back(capability.maxFPS);
// Since Android presents so many resolution/FPS combinations and the test
// runner imposes a timeout, we only actually start the capture and test
// that a frame was captured for 2 frame-rates at each resolution.
if (frame_rates_by_resolution[resolution].size() > 2)
continue;
capture_observer.SetExpectedCapability(capability);
ASSERT_NO_FATAL_FAILURE(StartCapture(module.get(), capability));
// Make sure at least one frame is captured.
EXPECT_TRUE_WAIT(capture_observer.incoming_frames() >= 1, kTimeOut);
EXPECT_EQ(0, module->StopCapture());
}
#if defined(WEBRTC_ANDROID) && WEBRTC_ANDROID
// There's no reason for this to _necessarily_ be true, but in practice all
// Android devices this test runs on in fact do support multiple capture
// resolutions and multiple frame-rates per captured resolution, so we assert
// this fact here as a regression-test against the time that we only noticed a
// single frame-rate per resolution (bug 2974). If this test starts being run
// on devices for which this is untrue (e.g. Nexus4) then the following should
// probably be wrapped in a base::android::BuildInfo::model()/device() check.
EXPECT_GT(frame_rates_by_resolution.size(), 1U);
for (FrameRatesByResolution::const_iterator it =
frame_rates_by_resolution.begin();
it != frame_rates_by_resolution.end(); ++it) {
EXPECT_GT(it->second.size(), 1U) << it->first;
}
#endif // WEBRTC_ANDROID
}
// NOTE: flaky, crashes sometimes.
// http://code.google.com/p/webrtc/issues/detail?id=777
TEST_F(VideoCaptureTest, DISABLED_TestTwoCameras) {
if (number_of_devices_ < 2) {
printf("There are not two cameras available. Aborting test. \n");
return;
}
TestVideoCaptureCallback capture_observer1;
rtc::scoped_refptr<VideoCaptureModule> module1(
OpenVideoCaptureDevice(0, &capture_observer1));
ASSERT_TRUE(module1.get() != NULL);
VideoCaptureCapability capability1;
#ifndef WEBRTC_MAC
device_info_->GetCapability(module1->CurrentDeviceName(), 0, capability1);
#else
capability1.width = kTestWidth;
capability1.height = kTestHeight;
capability1.maxFPS = kTestFramerate;
capability1.videoType = webrtc::VideoType::kUnknown;
#endif
capture_observer1.SetExpectedCapability(capability1);
TestVideoCaptureCallback capture_observer2;
rtc::scoped_refptr<VideoCaptureModule> module2(
OpenVideoCaptureDevice(1, &capture_observer2));
ASSERT_TRUE(module1.get() != NULL);
VideoCaptureCapability capability2;
#ifndef WEBRTC_MAC
device_info_->GetCapability(module2->CurrentDeviceName(), 0, capability2);
#else
capability2.width = kTestWidth;
capability2.height = kTestHeight;
capability2.maxFPS = kTestFramerate;
capability2.videoType = webrtc::VideoType::kUnknown;
#endif
capture_observer2.SetExpectedCapability(capability2);
ASSERT_NO_FATAL_FAILURE(StartCapture(module1.get(), capability1));
ASSERT_NO_FATAL_FAILURE(StartCapture(module2.get(), capability2));
EXPECT_TRUE_WAIT(capture_observer1.incoming_frames() >= 5, kTimeOut);
EXPECT_TRUE_WAIT(capture_observer2.incoming_frames() >= 5, kTimeOut);
EXPECT_EQ(0, module2->StopCapture());
EXPECT_EQ(0, module1->StopCapture());
}
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