webrtc/talk/media/base/videocapturer_unittest.cc
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

684 lines
28 KiB
C++

// Copyright 2008 Google Inc.
#include <stdio.h>
#include <vector>
#include "talk/base/gunit.h"
#include "talk/base/logging.h"
#include "talk/base/thread.h"
#include "talk/media/base/fakemediaprocessor.h"
#include "talk/media/base/fakevideocapturer.h"
#include "talk/media/base/fakevideorenderer.h"
#include "talk/media/base/testutils.h"
#include "talk/media/base/videocapturer.h"
#include "talk/media/base/videoprocessor.h"
// If HAS_I420_FRAME is not defined the video capturer will not be able to
// provide OnVideoFrame-callbacks since they require cricket::CapturedFrame to
// be decoded as a cricket::VideoFrame (i.e. an I420 frame). This functionality
// only exist if HAS_I420_FRAME is defined below. I420 frames are also a
// requirement for the VideoProcessors so they will not be called either.
#if defined(HAVE_WEBRTC_VIDEO)
#define HAS_I420_FRAME
#endif
using cricket::FakeVideoCapturer;
namespace {
const int kMsCallbackWait = 500;
// For HD only the height matters.
const int kMinHdHeight = 720;
const uint32 kTimeout = 5000U;
} // namespace
// Sets the elapsed time in the video frame to 0.
class VideoProcessor0 : public cricket::VideoProcessor {
public:
virtual void OnFrame(uint32 /*ssrc*/, cricket::VideoFrame* frame,
bool* drop_frame) {
frame->SetElapsedTime(0u);
}
};
// Adds one to the video frame's elapsed time. Note that VideoProcessor0 and
// VideoProcessor1 are not commutative.
class VideoProcessor1 : public cricket::VideoProcessor {
public:
virtual void OnFrame(uint32 /*ssrc*/, cricket::VideoFrame* frame,
bool* drop_frame) {
int64 elapsed_time = frame->GetElapsedTime();
frame->SetElapsedTime(elapsed_time + 1);
}
};
class VideoCapturerTest
: public sigslot::has_slots<>,
public testing::Test {
public:
VideoCapturerTest()
: capture_state_(cricket::CS_STOPPED),
num_state_changes_(0),
video_frames_received_(0),
last_frame_elapsed_time_(0) {
capturer_.SignalVideoFrame.connect(this, &VideoCapturerTest::OnVideoFrame);
capturer_.SignalStateChange.connect(this,
&VideoCapturerTest::OnStateChange);
}
protected:
void OnVideoFrame(cricket::VideoCapturer*, const cricket::VideoFrame* frame) {
++video_frames_received_;
last_frame_elapsed_time_ = frame->GetElapsedTime();
renderer_.RenderFrame(frame);
}
void OnStateChange(cricket::VideoCapturer*,
cricket::CaptureState capture_state) {
capture_state_ = capture_state;
++num_state_changes_;
}
cricket::CaptureState capture_state() { return capture_state_; }
int num_state_changes() { return num_state_changes_; }
int video_frames_received() const {
return video_frames_received_;
}
int64 last_frame_elapsed_time() const { return last_frame_elapsed_time_; }
cricket::FakeVideoCapturer capturer_;
cricket::CaptureState capture_state_;
int num_state_changes_;
int video_frames_received_;
int64 last_frame_elapsed_time_;
cricket::FakeVideoRenderer renderer_;
};
TEST_F(VideoCapturerTest, CaptureState) {
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
EXPECT_EQ(1, num_state_changes());
capturer_.Stop();
EXPECT_EQ_WAIT(cricket::CS_STOPPED, capture_state(), kMsCallbackWait);
EXPECT_EQ(2, num_state_changes());
capturer_.Stop();
talk_base::Thread::Current()->ProcessMessages(100);
EXPECT_EQ(2, num_state_changes());
}
TEST_F(VideoCapturerTest, TestRestart) {
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
EXPECT_EQ(1, num_state_changes());
EXPECT_TRUE(capturer_.Restart(cricket::VideoFormat(
320,
240,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_GE(1, num_state_changes());
capturer_.Stop();
talk_base::Thread::Current()->ProcessMessages(100);
EXPECT_FALSE(capturer_.IsRunning());
}
TEST_F(VideoCapturerTest, TestStartingWithRestart) {
EXPECT_FALSE(capturer_.IsRunning());
EXPECT_TRUE(capturer_.Restart(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
}
TEST_F(VideoCapturerTest, TestRestartWithSameFormat) {
cricket::VideoFormat format(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(format));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
EXPECT_EQ(1, num_state_changes());
EXPECT_TRUE(capturer_.Restart(format));
EXPECT_EQ(cricket::CS_RUNNING, capture_state());
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ(1, num_state_changes());
}
TEST_F(VideoCapturerTest, CameraOffOnMute) {
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ(0, video_frames_received());
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_EQ(1, video_frames_received());
EXPECT_FALSE(capturer_.IsMuted());
// Mute the camera and expect black output frame.
capturer_.MuteToBlackThenPause(true);
EXPECT_TRUE(capturer_.IsMuted());
for (int i = 0; i < 31; ++i) {
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_TRUE(renderer_.black_frame());
}
EXPECT_EQ(32, video_frames_received());
EXPECT_EQ_WAIT(cricket::CS_PAUSED,
capturer_.capture_state(), kTimeout);
// Verify that the camera is off.
EXPECT_FALSE(capturer_.CaptureFrame());
EXPECT_EQ(32, video_frames_received());
// Unmute the camera and expect non-black output frame.
capturer_.MuteToBlackThenPause(false);
EXPECT_FALSE(capturer_.IsMuted());
EXPECT_EQ_WAIT(cricket::CS_RUNNING,
capturer_.capture_state(), kTimeout);
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_FALSE(renderer_.black_frame());
EXPECT_EQ(33, video_frames_received());
}
TEST_F(VideoCapturerTest, TestFourccMatch) {
cricket::VideoFormat desired(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_ANY);
cricket::VideoFormat best;
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.fourcc = cricket::FOURCC_MJPG;
EXPECT_FALSE(capturer_.GetBestCaptureFormat(desired, &best));
desired.fourcc = cricket::FOURCC_I420;
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
}
TEST_F(VideoCapturerTest, TestResolutionMatch) {
cricket::VideoFormat desired(1920, 1080,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_ANY);
cricket::VideoFormat best;
// Ask for 1920x1080. Get HD 1280x720 which is the highest.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(1280, best.width);
EXPECT_EQ(720, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 360;
desired.height = 250;
// Ask for a little higher than QVGA. Get QVGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 480;
desired.height = 270;
// Ask for HVGA. Get VGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 320;
desired.height = 240;
// Ask for QVGA. Get QVGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 80;
desired.height = 60;
// Ask for lower than QQVGA. Get QQVGA, which is the lowest.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(160, best.width);
EXPECT_EQ(120, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
}
TEST_F(VideoCapturerTest, TestHDResolutionMatch) {
// Add some HD formats typical of a mediocre HD webcam.
std::vector<cricket::VideoFormat> formats;
formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
formats.push_back(cricket::VideoFormat(960, 544,
cricket::VideoFormat::FpsToInterval(24), cricket::FOURCC_I420));
formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(15), cricket::FOURCC_I420));
formats.push_back(cricket::VideoFormat(2592, 1944,
cricket::VideoFormat::FpsToInterval(7), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(formats);
cricket::VideoFormat desired(960, 720,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_ANY);
cricket::VideoFormat best;
// Ask for 960x720 30 fps. Get qHD 24 fps
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(960, best.width);
EXPECT_EQ(544, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(24), best.interval);
desired.width = 960;
desired.height = 544;
desired.interval = cricket::VideoFormat::FpsToInterval(30);
// Ask for qHD 30 fps. Get qHD 24 fps
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(960, best.width);
EXPECT_EQ(544, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(24), best.interval);
desired.width = 360;
desired.height = 250;
desired.interval = cricket::VideoFormat::FpsToInterval(30);
// Ask for a little higher than QVGA. Get QVGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 480;
desired.height = 270;
// Ask for HVGA. Get VGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 320;
desired.height = 240;
// Ask for QVGA. Get QVGA.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 160;
desired.height = 120;
// Ask for lower than QVGA. Get QVGA, which is the lowest.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 1280;
desired.height = 720;
// Ask for HD. 720p fps is too low. Get VGA which has 30 fps.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
desired.width = 1280;
desired.height = 720;
desired.interval = cricket::VideoFormat::FpsToInterval(15);
// Ask for HD 15 fps. Fps matches. Get HD
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(1280, best.width);
EXPECT_EQ(720, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(15), best.interval);
desired.width = 1920;
desired.height = 1080;
desired.interval = cricket::VideoFormat::FpsToInterval(30);
// Ask for 1080p. Fps of HD formats is too low. Get VGA which can do 30 fps.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(desired, &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
}
// Some cameras support 320x240 and 320x640. Verify we choose 320x240.
TEST_F(VideoCapturerTest, TestStrangeFormats) {
std::vector<cricket::VideoFormat> supported_formats;
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(320, 640,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
std::vector<cricket::VideoFormat> required_formats;
required_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
required_formats.push_back(cricket::VideoFormat(320, 200,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
required_formats.push_back(cricket::VideoFormat(320, 180,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
cricket::VideoFormat best;
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
}
supported_formats.clear();
supported_formats.push_back(cricket::VideoFormat(320, 640,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
}
}
// Some cameras only have very low fps. Verify we choose something sensible.
TEST_F(VideoCapturerTest, TestPoorFpsFormats) {
// all formats are low framerate
std::vector<cricket::VideoFormat> supported_formats;
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(10), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(7), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(2), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
std::vector<cricket::VideoFormat> required_formats;
required_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
required_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
cricket::VideoFormat best;
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(required_formats[i].width, best.width);
EXPECT_EQ(required_formats[i].height, best.height);
}
// Increase framerate of 320x240. Expect low fps VGA avoided.
supported_formats.clear();
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(7), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(2), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
}
}
// Some cameras support same size with different frame rates. Verify we choose
// the frame rate properly.
TEST_F(VideoCapturerTest, TestSameSizeDifferentFpsFormats) {
std::vector<cricket::VideoFormat> supported_formats;
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(10), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(20), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(320, 240,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
std::vector<cricket::VideoFormat> required_formats = supported_formats;
cricket::VideoFormat best;
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(320, best.width);
EXPECT_EQ(240, best.height);
EXPECT_EQ(required_formats[i].interval, best.interval);
}
}
// Some cameras support the correct resolution but at a lower fps than
// we'd like. This tests we get the expected resolution and fps.
TEST_F(VideoCapturerTest, TestFpsFormats) {
// We have VGA but low fps. Choose VGA, not HD
std::vector<cricket::VideoFormat> supported_formats;
supported_formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(15), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 400,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 360,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
std::vector<cricket::VideoFormat> required_formats;
required_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_ANY));
required_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(20), cricket::FOURCC_ANY));
required_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(10), cricket::FOURCC_ANY));
cricket::VideoFormat best;
// expect 30 fps to choose 30 fps format
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[0], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(400, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
// expect 20 fps to choose 20 fps format
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[1], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(400, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(20), best.interval);
// expect 10 fps to choose 15 fps format but set fps to 10
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[2], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(10), best.interval);
// We have VGA 60 fps and 15 fps. Choose best fps.
supported_formats.clear();
supported_formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(60), cricket::FOURCC_MJPG));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(15), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 400,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 360,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
// expect 30 fps to choose 60 fps format, but will set best fps to 30
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[0], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(30), best.interval);
// expect 20 fps to choose 60 fps format, but will set best fps to 20
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[1], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(20), best.interval);
// expect 10 fps to choose 10 fps
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[2], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(480, best.height);
EXPECT_EQ(cricket::VideoFormat::FpsToInterval(10), best.interval);
}
TEST_F(VideoCapturerTest, TestRequest16x10_9) {
std::vector<cricket::VideoFormat> supported_formats;
// We do not support HD, expect 4x3 for 4x3, 16x10, and 16x9 requests.
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 400,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 360,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
std::vector<cricket::VideoFormat> required_formats = supported_formats;
cricket::VideoFormat best;
// Expect 4x3, 16x10, and 16x9 requests are respected.
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(required_formats[i].width, best.width);
EXPECT_EQ(required_formats[i].height, best.height);
}
// We do not support 16x9 HD, expect 4x3 for 4x3, 16x10, and 16x9 requests.
supported_formats.clear();
supported_formats.push_back(cricket::VideoFormat(960, 720,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 400,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 360,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
// Expect 4x3, 16x10, and 16x9 requests are respected.
for (size_t i = 0; i < required_formats.size(); ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(required_formats[i].width, best.width);
EXPECT_EQ(required_formats[i].height, best.height);
}
// We support 16x9HD, Expect 4x3, 16x10, and 16x9 requests are respected.
supported_formats.clear();
supported_formats.push_back(cricket::VideoFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 400,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
supported_formats.push_back(cricket::VideoFormat(640, 360,
cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
capturer_.ResetSupportedFormats(supported_formats);
// Expect 4x3 for 4x3 and 16x10 requests.
for (size_t i = 0; i < required_formats.size() - 1; ++i) {
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[i], &best));
EXPECT_EQ(required_formats[i].width, best.width);
EXPECT_EQ(required_formats[i].height, best.height);
}
// Expect 16x9 for 16x9 request.
EXPECT_TRUE(capturer_.GetBestCaptureFormat(required_formats[2], &best));
EXPECT_EQ(640, best.width);
EXPECT_EQ(360, best.height);
}
#if defined(HAS_I420_FRAME)
TEST_F(VideoCapturerTest, VideoFrame) {
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ(0, video_frames_received());
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_EQ(1, video_frames_received());
}
TEST_F(VideoCapturerTest, ProcessorChainTest) {
VideoProcessor0 processor0;
VideoProcessor1 processor1;
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ(0, video_frames_received());
// First processor sets elapsed time to 0.
capturer_.AddVideoProcessor(&processor0);
// Second processor adds 1 to the elapsed time. I.e. a frames elapsed time
// should now always be 1 (and not 0).
capturer_.AddVideoProcessor(&processor1);
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_EQ(1, video_frames_received());
EXPECT_EQ(1u, last_frame_elapsed_time());
capturer_.RemoveVideoProcessor(&processor1);
EXPECT_TRUE(capturer_.CaptureFrame());
// Since processor1 has been removed the elapsed time should now be 0.
EXPECT_EQ(2, video_frames_received());
EXPECT_EQ(0u, last_frame_elapsed_time());
}
TEST_F(VideoCapturerTest, ProcessorDropFrame) {
cricket::FakeMediaProcessor dropping_processor_;
dropping_processor_.set_drop_frames(true);
EXPECT_EQ(cricket::CS_RUNNING, capturer_.Start(cricket::VideoFormat(
640,
480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420)));
EXPECT_TRUE(capturer_.IsRunning());
EXPECT_EQ(0, video_frames_received());
// Install a processor that always drop frames.
capturer_.AddVideoProcessor(&dropping_processor_);
EXPECT_TRUE(capturer_.CaptureFrame());
EXPECT_EQ(0, video_frames_received());
}
#endif // HAS_I420_FRAME
bool HdFormatInList(const std::vector<cricket::VideoFormat>& formats) {
for (std::vector<cricket::VideoFormat>::const_iterator found =
formats.begin(); found != formats.end(); ++found) {
if (found->height >= kMinHdHeight) {
return true;
}
}
return false;
}
TEST_F(VideoCapturerTest, Whitelist) {
// The definition of HD only applies to the height. Set the HD width to the
// smallest legal number to document this fact in this test.
const int kMinHdWidth = 1;
cricket::VideoFormat hd_format(kMinHdWidth,
kMinHdHeight,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
cricket::VideoFormat vga_format(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
std::vector<cricket::VideoFormat> formats = *capturer_.GetSupportedFormats();
formats.push_back(hd_format);
// Enable whitelist. Expect HD not in list.
capturer_.set_enable_camera_list(true);
capturer_.ResetSupportedFormats(formats);
EXPECT_TRUE(HdFormatInList(*capturer_.GetSupportedFormats()));
capturer_.ConstrainSupportedFormats(vga_format);
EXPECT_FALSE(HdFormatInList(*capturer_.GetSupportedFormats()));
// Disable whitelist. Expect HD in list.
capturer_.set_enable_camera_list(false);
capturer_.ResetSupportedFormats(formats);
EXPECT_TRUE(HdFormatInList(*capturer_.GetSupportedFormats()));
capturer_.ConstrainSupportedFormats(vga_format);
EXPECT_TRUE(HdFormatInList(*capturer_.GetSupportedFormats()));
}