1 files changed, 98 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/vcm_capturer.cc b/third_party/libwebrtc/test/vcm_capturer.cc
new file mode 100644
index 0000000000..e02fc722b2
--- /dev/null
+++ b/third_party/libwebrtc/test/vcm_capturer.cc
@@ -0,0 +1,98 @@
+/*
+ *  Copyright (c) 2013 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 "test/vcm_capturer.h"
+
+#include <stdint.h>
+
+#include <memory>
+
+#include "modules/video_capture/video_capture_factory.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/logging.h"
+
+namespace webrtc {
+namespace test {
+
+VcmCapturer::VcmCapturer() : vcm_(nullptr) {}
+
+bool VcmCapturer::Init(size_t width,
+                       size_t height,
+                       size_t target_fps,
+                       size_t capture_device_index) {
+  std::unique_ptr<VideoCaptureModule::DeviceInfo> device_info(
+      VideoCaptureFactory::CreateDeviceInfo());
+
+  char device_name[256];
+  char unique_name[256];
+  if (device_info->GetDeviceName(static_cast<uint32_t>(capture_device_index),
+                                 device_name, sizeof(device_name), unique_name,
+                                 sizeof(unique_name)) != 0) {
+    Destroy();
+    return false;
+  }
+
+  vcm_ = webrtc::VideoCaptureFactory::Create(unique_name);
+  if (!vcm_) {
+    return false;
+  }
+  vcm_->RegisterCaptureDataCallback(this);
+
+  device_info->GetCapability(vcm_->CurrentDeviceName(), 0, capability_);
+
+  capability_.width = static_cast<int32_t>(width);
+  capability_.height = static_cast<int32_t>(height);
+  capability_.maxFPS = static_cast<int32_t>(target_fps);
+  capability_.videoType = VideoType::kI420;
+
+  if (vcm_->StartCapture(capability_) != 0) {
+    Destroy();
+    return false;
+  }
+
+  RTC_CHECK(vcm_->CaptureStarted());
+
+  return true;
+}
+
+VcmCapturer* VcmCapturer::Create(size_t width,
+                                 size_t height,
+                                 size_t target_fps,
+                                 size_t capture_device_index) {
+  std::unique_ptr<VcmCapturer> vcm_capturer(new VcmCapturer());
+  if (!vcm_capturer->Init(width, height, target_fps, capture_device_index)) {
+    RTC_LOG(LS_WARNING) << "Failed to create VcmCapturer(w = " << width
+                        << ", h = " << height << ", fps = " << target_fps
+                        << ")";
+    return nullptr;
+  }
+  return vcm_capturer.release();
+}
+
+void VcmCapturer::Destroy() {
+  if (!vcm_)
+    return;
+
+  vcm_->StopCapture();
+  vcm_->DeRegisterCaptureDataCallback(this);
+  // Release reference to VCM.
+  vcm_ = nullptr;
+}
+
+VcmCapturer::~VcmCapturer() {
+  Destroy();
+}
+
+void VcmCapturer::OnFrame(const VideoFrame& frame) {
+  TestVideoCapturer::OnFrame(frame);
+}
+
+}  // namespace test
+}  // namespace webrtc