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/*
* 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/test/vcm_capturer.h"
#include "webrtc/modules/video_capture/include/video_capture_factory.h"
#include "webrtc/video_send_stream.h"
namespace webrtc {
namespace test {
VcmCapturer::VcmCapturer(webrtc::VideoCaptureInput* input)
: VideoCapturer(input), started_(false), vcm_(NULL) {
}
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(VideoCaptureInput* 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() {
rtc::CritScope lock(&crit_);
started_ = true;
}
void VcmCapturer::Stop() {
rtc::CritScope lock(&crit_);
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,
const VideoFrame& frame) {
rtc::CritScope lock(&crit_);
if (started_)
input_->IncomingCapturedFrame(frame);
}
void VcmCapturer::OnCaptureDelayChanged(const int32_t id, const int32_t delay) {
}
} // test
} // webrtc
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