104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
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/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/test/vcm_capturer.h"
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#include "webrtc/modules/video_capture/video_capture_factory.h"
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#include "webrtc/video_send_stream.h"
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namespace webrtc {
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namespace test {
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VcmCapturer::VcmCapturer(webrtc::VideoCaptureInput* input)
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: VideoCapturer(input), started_(false), vcm_(NULL) {
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}
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bool VcmCapturer::Init(size_t width, size_t height, size_t target_fps) {
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VideoCaptureModule::DeviceInfo* device_info =
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VideoCaptureFactory::CreateDeviceInfo(42); // Any ID (42) will do.
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char device_name[256];
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char unique_name[256];
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if (device_info->GetDeviceName(0, device_name, sizeof(device_name),
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unique_name, sizeof(unique_name)) !=
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0) {
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Destroy();
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return false;
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}
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vcm_ = webrtc::VideoCaptureFactory::Create(0, unique_name);
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vcm_->RegisterCaptureDataCallback(*this);
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device_info->GetCapability(vcm_->CurrentDeviceName(), 0, capability_);
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delete device_info;
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capability_.width = static_cast<int32_t>(width);
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capability_.height = static_cast<int32_t>(height);
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capability_.maxFPS = static_cast<int32_t>(target_fps);
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capability_.rawType = kVideoI420;
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if (vcm_->StartCapture(capability_) != 0) {
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Destroy();
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return false;
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}
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assert(vcm_->CaptureStarted());
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return true;
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}
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VcmCapturer* VcmCapturer::Create(VideoCaptureInput* input,
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size_t width,
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size_t height,
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size_t target_fps) {
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VcmCapturer* vcm_capturer = new VcmCapturer(input);
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if (!vcm_capturer->Init(width, height, target_fps)) {
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// TODO(pbos): Log a warning that this failed.
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delete vcm_capturer;
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return NULL;
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}
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return vcm_capturer;
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}
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void VcmCapturer::Start() {
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rtc::CritScope lock(&crit_);
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started_ = true;
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}
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void VcmCapturer::Stop() {
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rtc::CritScope lock(&crit_);
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started_ = false;
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}
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void VcmCapturer::Destroy() {
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if (!vcm_)
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return;
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vcm_->StopCapture();
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vcm_->DeRegisterCaptureDataCallback();
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// Release reference to VCM.
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vcm_ = nullptr;
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}
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VcmCapturer::~VcmCapturer() { Destroy(); }
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void VcmCapturer::OnIncomingCapturedFrame(const int32_t id,
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const VideoFrame& frame) {
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rtc::CritScope lock(&crit_);
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if (started_)
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input_->IncomingCapturedFrame(frame);
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}
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void VcmCapturer::OnCaptureDelayChanged(const int32_t id, const int32_t delay) {
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}
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} // test
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} // webrtc
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