New VideoEngine API implementation on top of old one, first steps.
BUG=1668
R=mflodman@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/1360004
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4044 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/test/common/vcm_capturer.cc b/video_engine/test/common/vcm_capturer.cc
new file mode 100644
index 0000000..62f0a85
--- /dev/null
+++ b/video_engine/test/common/vcm_capturer.cc
@@ -0,0 +1,108 @@
+/*
+ * 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 "webrtc/video_engine/test/common/vcm_capturer.h"
+
+#include "webrtc/modules/video_capture/include/video_capture_factory.h"
+#include "webrtc/video_engine/new_include/video_send_stream.h"
+
+namespace webrtc {
+namespace test {
+
+VcmCapturer::VcmCapturer(webrtc::newapi::VideoSendStreamInput* input)
+ : VideoCapturer(input), started_(false), vcm(NULL), last_timestamp(0) {}
+
+bool VcmCapturer::Init(size_t width, size_t height, size_t target_fps) {
+ VideoCaptureModule::DeviceInfo* device_info =
+ VideoCaptureFactory::CreateDeviceInfo(42); // Any ID (42) will do.
+
+ char device_name[256];
+ char unique_name[256];
+ if (device_info->GetDeviceName(0, device_name, sizeof(device_name),
+ unique_name, sizeof(unique_name)) !=
+ 0) {
+ Destroy();
+ return false;
+ }
+
+ vcm = webrtc::VideoCaptureFactory::Create(0, unique_name);
+ vcm->RegisterCaptureDataCallback(*this);
+
+ device_info->GetCapability(vcm->CurrentDeviceName(), 0, capability_);
+ delete device_info;
+
+ capability_.width = static_cast<int32_t>(width);
+ capability_.height = static_cast<int32_t>(height);
+ capability_.maxFPS = static_cast<int32_t>(target_fps);
+ capability_.rawType = kVideoI420;
+
+ if (vcm->StartCapture(capability_) != 0) {
+ Destroy();
+ return false;
+ }
+
+ assert(vcm->CaptureStarted());
+
+ return true;
+}
+
+VcmCapturer* VcmCapturer::Create(newapi::VideoSendStreamInput* input,
+ size_t width, size_t height,
+ size_t target_fps) {
+ VcmCapturer* vcm_capturer = new VcmCapturer(input);
+ if (!vcm_capturer->Init(width, height, target_fps)) {
+ // TODO(pbos): Log a warning that this failed.
+ delete vcm_capturer;
+ return NULL;
+ }
+ return vcm_capturer;
+}
+
+
+void VcmCapturer::Start() { started_ = true; }
+
+void VcmCapturer::Stop() { started_ = false; }
+
+void VcmCapturer::Destroy() {
+ if (vcm == NULL) {
+ return;
+ }
+
+ vcm->StopCapture();
+ vcm->DeRegisterCaptureDataCallback();
+ vcm->Release();
+
+ // TODO(pbos): How do I destroy the VideoCaptureModule? This still leaves
+ // non-freed memory.
+ vcm = NULL;
+}
+
+VcmCapturer::~VcmCapturer() { Destroy(); }
+
+void VcmCapturer::OnIncomingCapturedFrame(const int32_t id,
+ I420VideoFrame& frame) {
+ if (last_timestamp == 0 || frame.timestamp() < last_timestamp) {
+ last_timestamp = frame.timestamp();
+ }
+
+ if (started_) {
+ input_->PutFrame(frame, frame.timestamp() - last_timestamp);
+ }
+ last_timestamp = frame.timestamp();
+}
+
+void VcmCapturer::OnIncomingCapturedEncodedFrame(const int32_t id,
+ VideoFrame& frame,
+ VideoCodecType codec_type) {}
+
+void VcmCapturer::OnCaptureDelayChanged(const int32_t id, const int32_t delay) {
+}
+} // test
+} // webrtc