1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "webrtc/test/vcm_capturer.h"
12
13 #include "webrtc/modules/video_capture/include/video_capture_factory.h"
14 #include "webrtc/video_send_stream.h"
15
16 namespace webrtc {
17 namespace test {
18
VcmCapturer(webrtc::VideoSendStreamInput * input)19 VcmCapturer::VcmCapturer(webrtc::VideoSendStreamInput* input)
20 : VideoCapturer(input), started_(false), vcm_(NULL) {}
21
Init(size_t width,size_t height,size_t target_fps)22 bool VcmCapturer::Init(size_t width, size_t height, size_t target_fps) {
23 VideoCaptureModule::DeviceInfo* device_info =
24 VideoCaptureFactory::CreateDeviceInfo(42); // Any ID (42) will do.
25
26 char device_name[256];
27 char unique_name[256];
28 if (device_info->GetDeviceName(0, device_name, sizeof(device_name),
29 unique_name, sizeof(unique_name)) !=
30 0) {
31 Destroy();
32 return false;
33 }
34
35 vcm_ = webrtc::VideoCaptureFactory::Create(0, unique_name);
36 vcm_->RegisterCaptureDataCallback(*this);
37
38 device_info->GetCapability(vcm_->CurrentDeviceName(), 0, capability_);
39 delete device_info;
40
41 capability_.width = static_cast<int32_t>(width);
42 capability_.height = static_cast<int32_t>(height);
43 capability_.maxFPS = static_cast<int32_t>(target_fps);
44 capability_.rawType = kVideoI420;
45
46 if (vcm_->StartCapture(capability_) != 0) {
47 Destroy();
48 return false;
49 }
50
51 assert(vcm_->CaptureStarted());
52
53 return true;
54 }
55
Create(VideoSendStreamInput * input,size_t width,size_t height,size_t target_fps)56 VcmCapturer* VcmCapturer::Create(VideoSendStreamInput* input,
57 size_t width, size_t height,
58 size_t target_fps) {
59 VcmCapturer* vcm__capturer = new VcmCapturer(input);
60 if (!vcm__capturer->Init(width, height, target_fps)) {
61 // TODO(pbos): Log a warning that this failed.
62 delete vcm__capturer;
63 return NULL;
64 }
65 return vcm__capturer;
66 }
67
68
Start()69 void VcmCapturer::Start() { started_ = true; }
70
Stop()71 void VcmCapturer::Stop() { started_ = false; }
72
Destroy()73 void VcmCapturer::Destroy() {
74 if (vcm_ == NULL) {
75 return;
76 }
77
78 vcm_->StopCapture();
79 vcm_->DeRegisterCaptureDataCallback();
80 vcm_->Release();
81
82 // TODO(pbos): How do I destroy the VideoCaptureModule? This still leaves
83 // non-freed memory.
84 vcm_ = NULL;
85 }
86
~VcmCapturer()87 VcmCapturer::~VcmCapturer() { Destroy(); }
88
OnIncomingCapturedFrame(const int32_t id,I420VideoFrame & frame)89 void VcmCapturer::OnIncomingCapturedFrame(const int32_t id,
90 I420VideoFrame& frame) {
91 if (started_)
92 input_->SwapFrame(&frame);
93 }
94
OnCaptureDelayChanged(const int32_t id,const int32_t delay)95 void VcmCapturer::OnCaptureDelayChanged(const int32_t id, const int32_t delay) {
96 }
97 } // test
98 } // webrtc
99