5f93d0a140
BUG=2133 R=juberti@webrtc.org Review URL: https://webrtc-codereview.appspot.com/39559004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@8105 4adac7df-926f-26a2-2b94-8c16560cd09d
260 lines
12 KiB
C++
260 lines
12 KiB
C++
/*
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* libjingle
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* Copyright 2012 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/media/base/capturemanager.h"
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#include "talk/media/base/fakemediaprocessor.h"
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#include "talk/media/base/fakevideocapturer.h"
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#include "talk/media/base/fakevideorenderer.h"
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#include "webrtc/base/gunit.h"
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#include "webrtc/base/sigslot.h"
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const int kMsCallbackWait = 50;
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const int kFps = 30;
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const cricket::VideoFormatPod kCameraFormats[] = {
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{640, 480, cricket::VideoFormat::FpsToInterval(kFps), cricket::FOURCC_I420},
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{320, 240, cricket::VideoFormat::FpsToInterval(kFps), cricket::FOURCC_I420}
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};
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class CaptureManagerTest : public ::testing::Test, public sigslot::has_slots<> {
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public:
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CaptureManagerTest()
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: capture_manager_(),
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callback_count_(0),
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format_vga_(kCameraFormats[0]),
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format_qvga_(kCameraFormats[1]) {
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}
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virtual void SetUp() {
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PopulateSupportedFormats();
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capture_state_ = cricket::CS_STOPPED;
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capture_manager_.SignalCapturerStateChange.connect(
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this,
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&CaptureManagerTest::OnCapturerStateChange);
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}
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void PopulateSupportedFormats() {
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std::vector<cricket::VideoFormat> formats;
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for (int i = 0; i < ARRAY_SIZE(kCameraFormats); ++i) {
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formats.push_back(cricket::VideoFormat(kCameraFormats[i]));
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}
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video_capturer_.ResetSupportedFormats(formats);
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}
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int NumFramesProcessed() { return media_processor_.video_frame_count(); }
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int NumFramesRendered() { return video_renderer_.num_rendered_frames(); }
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bool WasRenderedResolution(cricket::VideoFormat format) {
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return format.width == video_renderer_.width() &&
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format.height == video_renderer_.height();
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}
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cricket::CaptureState capture_state() { return capture_state_; }
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int callback_count() { return callback_count_; }
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void OnCapturerStateChange(cricket::VideoCapturer* capturer,
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cricket::CaptureState capture_state) {
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capture_state_ = capture_state;
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++callback_count_;
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}
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protected:
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cricket::FakeMediaProcessor media_processor_;
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cricket::FakeVideoCapturer video_capturer_;
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cricket::FakeVideoRenderer video_renderer_;
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cricket::CaptureManager capture_manager_;
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cricket::CaptureState capture_state_;
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int callback_count_;
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cricket::VideoFormat format_vga_;
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cricket::VideoFormat format_qvga_;
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};
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// Incorrect use cases.
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TEST_F(CaptureManagerTest, InvalidCallOrder) {
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// Capturer must be registered before any of these calls.
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EXPECT_FALSE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_FALSE(capture_manager_.AddVideoProcessor(&video_capturer_,
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&media_processor_));
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}
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TEST_F(CaptureManagerTest, InvalidAddingRemoving) {
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EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
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cricket::VideoFormat()));
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
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EXPECT_EQ(1, callback_count());
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EXPECT_FALSE(capture_manager_.AddVideoRenderer(&video_capturer_, NULL));
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EXPECT_FALSE(capture_manager_.RemoveVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_FALSE(capture_manager_.AddVideoProcessor(&video_capturer_,
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NULL));
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EXPECT_FALSE(capture_manager_.RemoveVideoProcessor(&video_capturer_,
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&media_processor_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
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}
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// Valid use cases
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TEST_F(CaptureManagerTest, ProcessorTest) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
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EXPECT_EQ(1, callback_count());
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_TRUE(capture_manager_.AddVideoProcessor(&video_capturer_,
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&media_processor_));
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesProcessed());
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EXPECT_EQ(1, NumFramesRendered());
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EXPECT_TRUE(capture_manager_.RemoveVideoProcessor(&video_capturer_,
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&media_processor_));
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// Processor has been removed so no more frames should be processed.
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesProcessed());
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EXPECT_EQ(2, NumFramesRendered());
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
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EXPECT_EQ(2, callback_count());
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}
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TEST_F(CaptureManagerTest, KeepFirstResolutionHigh) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
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EXPECT_EQ(1, callback_count());
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesRendered());
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// Renderer should be fed frames with the resolution of format_vga_.
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EXPECT_TRUE(WasRenderedResolution(format_vga_));
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// Start again with one more format.
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_qvga_));
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// Existing renderers should be fed frames with the resolution of format_vga_.
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_TRUE(WasRenderedResolution(format_vga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_qvga_));
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}
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// Should pick the lowest resolution as the highest resolution is not chosen
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// until after capturing has started. This ensures that no particular resolution
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// is favored over others.
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TEST_F(CaptureManagerTest, KeepFirstResolutionLow) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesRendered());
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EXPECT_TRUE(WasRenderedResolution(format_qvga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_vga_));
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}
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// Ensure that the reference counting is working when multiple start and
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// multiple stop calls are made.
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TEST_F(CaptureManagerTest, MultipleStartStops) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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// Add video capturer but with different format.
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
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EXPECT_EQ(1, callback_count());
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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// Ensure that a frame can be captured when two start calls have been made.
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesRendered());
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
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// Video should still render since there has been two start calls but only
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// one stop call.
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(2, NumFramesRendered());
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_EQ_WAIT(cricket::CS_STOPPED, capture_state(), kMsCallbackWait);
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EXPECT_EQ(2, callback_count());
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// Last stop call should fail as it is one more than the number of start
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// calls.
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EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_vga_));
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}
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TEST_F(CaptureManagerTest, TestForceRestart) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_qvga_));
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesRendered());
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EXPECT_TRUE(WasRenderedResolution(format_qvga_));
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// Now restart with vga.
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EXPECT_TRUE(capture_manager_.RestartVideoCapture(
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&video_capturer_, format_qvga_, format_vga_,
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cricket::CaptureManager::kForceRestart));
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(2, NumFramesRendered());
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EXPECT_TRUE(WasRenderedResolution(format_vga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_vga_));
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}
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TEST_F(CaptureManagerTest, TestRequestRestart) {
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EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
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format_vga_));
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EXPECT_TRUE(capture_manager_.AddVideoRenderer(&video_capturer_,
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&video_renderer_));
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EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(1, NumFramesRendered());
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EXPECT_TRUE(WasRenderedResolution(format_vga_));
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// Now request restart with qvga.
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EXPECT_TRUE(capture_manager_.RestartVideoCapture(
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&video_capturer_, format_vga_, format_qvga_,
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cricket::CaptureManager::kRequestRestart));
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EXPECT_TRUE(video_capturer_.CaptureFrame());
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EXPECT_EQ(2, NumFramesRendered());
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EXPECT_TRUE(WasRenderedResolution(format_vga_));
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EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
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format_qvga_));
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}
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