Remove CaptureManager and related calls in ChannelManager.

webrtc/media/base/capturemanager_unittest.cc

-/*
- *  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 "webrtc/media/base/capturemanager.h"
-
-#include "webrtc/base/arraysize.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/sigslot.h"
-#include "webrtc/media/base/fakevideocapturer.h"
-#include "webrtc/media/base/fakevideorenderer.h"
-
-const int kMsCallbackWait = 50;
-
-const int kFps = 30;
-const cricket::VideoFormatPod kCameraFormats[] = {
-  {640, 480, cricket::VideoFormat::FpsToInterval(kFps), cricket::FOURCC_I420},
-  {320, 240, cricket::VideoFormat::FpsToInterval(kFps), cricket::FOURCC_I420}
-};
-
-class CaptureManagerTest : public ::testing::Test, public sigslot::has_slots<> {
- public:
-  CaptureManagerTest()
-      : capture_manager_(),
-        callback_count_(0),
-        format_vga_(kCameraFormats[0]),
-        format_qvga_(kCameraFormats[1]) {
-  }
-  virtual void SetUp() {
-    PopulateSupportedFormats();
-    capture_state_ = cricket::CS_STOPPED;
-    capture_manager_.SignalCapturerStateChange.connect(
-        this,
-        &CaptureManagerTest::OnCapturerStateChange);
-  }
-  void PopulateSupportedFormats() {
-    std::vector<cricket::VideoFormat> formats;
-    for (uint32_t i = 0; i < arraysize(kCameraFormats); ++i) {
-      formats.push_back(cricket::VideoFormat(kCameraFormats[i]));
-    }
-    video_capturer_.ResetSupportedFormats(formats);
-  }
-  int NumFramesRendered() { return video_renderer_.num_rendered_frames(); }
-  bool WasRenderedResolution(cricket::VideoFormat format) {
-    return format.width == video_renderer_.width() &&
-        format.height == video_renderer_.height();
-  }
-  cricket::CaptureState capture_state() { return capture_state_; }
-  int callback_count() { return callback_count_; }
-  void OnCapturerStateChange(cricket::VideoCapturer* capturer,
-                             cricket::CaptureState capture_state) {
-    capture_state_ = capture_state;
-    ++callback_count_;
-  }
-
- protected:
-  cricket::FakeVideoCapturer video_capturer_;
-  cricket::FakeVideoRenderer video_renderer_;
-
-  cricket::CaptureManager capture_manager_;
-
-  cricket::CaptureState capture_state_;
-  int callback_count_;
-  cricket::VideoFormat format_vga_;
-  cricket::VideoFormat format_qvga_;
-};
-
-// Incorrect use cases.
-TEST_F(CaptureManagerTest, InvalidAddingRemoving) {
-  EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                 cricket::VideoFormat()));
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_vga_));
-  EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
-  EXPECT_EQ(1, callback_count());
-  // NULL argument currently allowed, and does nothing.
-  capture_manager_.AddVideoSink(&video_capturer_, NULL);
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
-}
-
-// Valid use cases
-TEST_F(CaptureManagerTest, KeepFirstResolutionHigh) {
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_vga_));
-  EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
-  EXPECT_EQ(1, callback_count());
-  capture_manager_.AddVideoSink(&video_capturer_, &video_renderer_);
-  EXPECT_TRUE(video_capturer_.CaptureFrame());
-  EXPECT_EQ(1, NumFramesRendered());
-  // Renderer should be fed frames with the resolution of format_vga_.
-  EXPECT_TRUE(WasRenderedResolution(format_vga_));
-
-  // Start again with one more format.
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_qvga_));
-  // Existing renderers should be fed frames with the resolution of format_vga_.
-  EXPECT_TRUE(video_capturer_.CaptureFrame());
-  EXPECT_TRUE(WasRenderedResolution(format_vga_));
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                format_qvga_));
-  EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                 format_vga_));
-  EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                 format_qvga_));
-}
-
-// Should pick the lowest resolution as the highest resolution is not chosen
-// until after capturing has started. This ensures that no particular resolution
-// is favored over others.
-TEST_F(CaptureManagerTest, KeepFirstResolutionLow) {
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_qvga_));
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_vga_));
-  capture_manager_.AddVideoSink(&video_capturer_, &video_renderer_);
-  EXPECT_EQ_WAIT(1, callback_count(), kMsCallbackWait);
-  EXPECT_TRUE(video_capturer_.CaptureFrame());
-  EXPECT_EQ(1, NumFramesRendered());
-  EXPECT_TRUE(WasRenderedResolution(format_qvga_));
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                format_qvga_));
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                format_vga_));
-}
-
-// Ensure that the reference counting is working when multiple start and
-// multiple stop calls are made.
-TEST_F(CaptureManagerTest, MultipleStartStops) {
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_vga_));
-  // Add video capturer but with different format.
-  EXPECT_TRUE(capture_manager_.StartVideoCapture(&video_capturer_,
-                                                 format_qvga_));
-  EXPECT_EQ_WAIT(cricket::CS_RUNNING, capture_state(), kMsCallbackWait);
-  EXPECT_EQ(1, callback_count());
-  capture_manager_.AddVideoSink(&video_capturer_, &video_renderer_);
-  // Ensure that a frame can be captured when two start calls have been made.
-  EXPECT_TRUE(video_capturer_.CaptureFrame());
-  EXPECT_EQ(1, NumFramesRendered());
-
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_, format_vga_));
-  // Video should still render since there has been two start calls but only
-  // one stop call.
-  EXPECT_TRUE(video_capturer_.CaptureFrame());
-  EXPECT_EQ(2, NumFramesRendered());
-
-  EXPECT_TRUE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                format_qvga_));
-  EXPECT_EQ_WAIT(cricket::CS_STOPPED, capture_state(), kMsCallbackWait);
-  EXPECT_EQ(2, callback_count());
-  // Last stop call should fail as it is one more than the number of start
-  // calls.
-  EXPECT_FALSE(capture_manager_.StopVideoCapture(&video_capturer_,
-                                                 format_vga_));
-}