Move talk/session/media -> webrtc/pc

talk/session/media/currentspeakermonitor_unittest.cc

-/*
- * libjingle
- * Copyright 2004 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "talk/session/media/audiomonitor.h"
-#include "talk/session/media/currentspeakermonitor.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/thread.h"
-
-namespace cricket {
-
-static const uint32_t kSsrc1 = 1001;
-static const uint32_t kSsrc2 = 1002;
-static const uint32_t kMinTimeBetweenSwitches = 10;
-// Due to limited system clock resolution, the CurrentSpeakerMonitor may
-// actually require more or less time between switches than that specified
-// in the call to set_min_time_between_switches.  To be safe, we sleep for
-// 90 ms more than the min time between switches before checking for a switch.
-// I am assuming system clocks do not have a coarser resolution than 90 ms.
-static const uint32_t kSleepTimeBetweenSwitches = 100;
-
-class CurrentSpeakerMonitorTest : public testing::Test,
-    public sigslot::has_slots<> {
- public:
-  CurrentSpeakerMonitorTest() {
-    monitor_ = new CurrentSpeakerMonitor(&source_);
-    // Shrink the minimum time betweeen switches to 10 ms so we don't have to
-    // slow down our tests.
-    monitor_->set_min_time_between_switches(kMinTimeBetweenSwitches);
-    monitor_->SignalUpdate.connect(this, &CurrentSpeakerMonitorTest::OnUpdate);
-    current_speaker_ = 0;
-    num_changes_ = 0;
-    monitor_->Start();
-  }
-
-  ~CurrentSpeakerMonitorTest() {
-    delete monitor_;
-  }
-
-  void SignalAudioMonitor(const AudioInfo& info) {
-    source_.SignalAudioMonitor(&source_, info);
-  }
-
- protected:
-  AudioSourceContext source_;
-  CurrentSpeakerMonitor* monitor_;
-  int num_changes_;
-  uint32_t current_speaker_;
-
-  void OnUpdate(CurrentSpeakerMonitor* monitor, uint32_t current_speaker) {
-    current_speaker_ = current_speaker;
-    num_changes_++;
-  }
-};
-
-static void InitAudioInfo(AudioInfo* info, int input_level, int output_level) {
-  info->input_level = input_level;
-  info->output_level = output_level;
-}
-
-TEST_F(CurrentSpeakerMonitorTest, NoActiveStreams) {
-  AudioInfo info;
-  InitAudioInfo(&info, 0, 0);
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, 0U);
-  EXPECT_EQ(num_changes_, 0);
-}
-
-TEST_F(CurrentSpeakerMonitorTest, MultipleActiveStreams) {
-  AudioInfo info;
-  InitAudioInfo(&info, 0, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  // No speaker recognized because the initial sample is treated as possibly
-  // just noise and disregarded.
-  EXPECT_EQ(current_speaker_, 0U);
-  EXPECT_EQ(num_changes_, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-}
-
-// See: https://code.google.com/p/webrtc/issues/detail?id=2409
-TEST_F(CurrentSpeakerMonitorTest, DISABLED_RapidSpeakerChange) {
-  AudioInfo info;
-  InitAudioInfo(&info, 0, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, 0U);
-  EXPECT_EQ(num_changes_, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 9));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 1));
-  SignalAudioMonitor(info);
-
-  // We expect no speaker change because of the rapid change.
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-}
-
-TEST_F(CurrentSpeakerMonitorTest, SpeakerChange) {
-  AudioInfo info;
-  InitAudioInfo(&info, 0, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, 0U);
-  EXPECT_EQ(num_changes_, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  // Wait so the changes don't come so rapidly.
-  rtc::Thread::SleepMs(kSleepTimeBetweenSwitches);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 9));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 1));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc1);
-  EXPECT_EQ(num_changes_, 2);
-}
-
-TEST_F(CurrentSpeakerMonitorTest, InterwordSilence) {
-  AudioInfo info;
-  InitAudioInfo(&info, 0, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, 0U);
-  EXPECT_EQ(num_changes_, 0);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 7));
-  SignalAudioMonitor(info);
-
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  // Wait so the changes don't come so rapidly.
-  rtc::Thread::SleepMs(kSleepTimeBetweenSwitches);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 0));
-  SignalAudioMonitor(info);
-
-  // Current speaker shouldn't have changed because we treat this as an inter-
-  // word silence.
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 0));
-  SignalAudioMonitor(info);
-
-  // Current speaker shouldn't have changed because we treat this as an inter-
-  // word silence.
-  EXPECT_EQ(current_speaker_, kSsrc2);
-  EXPECT_EQ(num_changes_, 1);
-
-  info.active_streams.push_back(std::make_pair(kSsrc1, 3));
-  info.active_streams.push_back(std::make_pair(kSsrc2, 0));
-  SignalAudioMonitor(info);
-
-  // At this point, we should have concluded that SSRC2 stopped speaking.
-  EXPECT_EQ(current_speaker_, kSsrc1);
-  EXPECT_EQ(num_changes_, 2);
-}
-
-}  // namespace cricket