go back to ZeroCapturer

WonderInventions · Apr 24, 2024 · 5d8f59e · 5d8f59e
1 parent e1e0d4d
commit 5d8f59e
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Showing 3 changed files with 39 additions and 2 deletions.
diff --git a/src/interfaces/rtc_peer_connection/peer_connection_factory.cc b/src/interfaces/rtc_peer_connection/peer_connection_factory.cc
@@ -77,8 +77,7 @@ PeerConnectionFactory::PeerConnectionFactory(const Napi::CallbackInfo &info)
                 })
                 .Or([]() {
                   return TestAudioDeviceModule::CreateTestAudioDeviceModule(
-                      webrtc::TestAudioDeviceModule::CreatePulsedNoiseCapturer(
-                          0, 48000),
+                      TestAudioDeviceModule::CreateZeroCapturer(48000, 1),
                       webrtc::TestAudioDeviceModule::CreateDiscardRenderer(
                           48000));
                 });

diff --git a/src/webrtc/test_audio_device_module.cc b/src/webrtc/test_audio_device_module.cc
@@ -12,6 +12,7 @@
 #include <algorithm>
 #include <cstdlib>
 #include <iosfwd>
+#include <memory>
 #include <type_traits>
 #include <vector>
 
@@ -270,6 +271,32 @@ class
   bool stop_thread_ RTC_GUARDED_BY(lock_) = false;
 };
 
+class ZeroCapturerImpl final : public webrtc::TestAudioDeviceModule::Capturer {
+public:
+  ZeroCapturerImpl(int sampling_frequency_in_hz, int num_channels)
+      : sampling_frequency_in_hz_(sampling_frequency_in_hz),
+        num_channels_(num_channels) {}
+
+  int SamplingFrequency() const override { return sampling_frequency_in_hz_; }
+
+  int NumChannels() const override { return num_channels_; }
+
+  bool Capture(rtc::BufferT<int16_t> *buffer) override {
+    buffer->SetData(
+        TestAudioDeviceModule::SamplesPerFrame(sampling_frequency_in_hz_) *
+            num_channels_,
+        [&](rtc::ArrayView<int16_t> data) {
+          std::fill(data.begin(), data.end(), 0);
+          return data.size();
+        });
+    return true;
+  }
+
+private:
+  int sampling_frequency_in_hz_;
+  const int num_channels_;
+};
+
 } // namespace
 
 size_t TestAudioDeviceModule::SamplesPerFrame(int sampling_frequency_in_hz) {
@@ -285,4 +312,12 @@ TestAudioDeviceModule::CreateTestAudioDeviceModule(
       std::move(capturer), std::move(renderer), speed);
 }
 
+std::unique_ptr<webrtc::TestAudioDeviceModule::Capturer>
+TestAudioDeviceModule::CreateZeroCapturer(
+
+    int sampling_frequency_in_hz, int num_channels) {
+  return std::make_unique<ZeroCapturerImpl>(sampling_frequency_in_hz,
+                                            num_channels);
+}
+
 } // namespace node_webrtc
diff --git a/src/webrtc/test_audio_device_module.h b/src/webrtc/test_audio_device_module.h
@@ -51,6 +51,9 @@ class TestAudioDeviceModule
       std::unique_ptr<webrtc::TestAudioDeviceModule::Renderer> renderer,
       float speed = 1);
 
+  static std::unique_ptr<webrtc::TestAudioDeviceModule::Capturer>
+  CreateZeroCapturer(int sampling_frequency_in_hz, int num_channels);
+
   int32_t Init() override = 0;
 
   int32_t RegisterAudioCallback(webrtc::AudioTransport *callback) override = 0;