usb video device capture

Introduction

Media Foundationを用いてキャプチャしたUSBキャプチャデバイス/USBカメラ(Webカメラ)からの映像を  
DirectX11ベースのレンダラーにて描画するプログラムです。

Demo

Performance

Verification Machine Spec

No.1

OS  : Windows 10 Pro 22H2  
CPU : Intel Core i9-7900X(10core, 20threads)  
RAM : 24.0GB  
GPU : NVIDIA GeForce RTX A4000(Driver ver.535.98)

No.2

OS  : Windows 10 Pro 22H2  
CPU : Intel Pentium N4200(4core, 4threads)  
RAM : 4.0GB  
GPU : Intel(R) HD Graphics 505

Verification USB Web camera

Logicool HD Pro Webcam C920

LINK

Verification USB Video Capture Device

I-O DATA GV-HUVC 4K

LINK

Result

No.	Device Name	MAX Resolution	MAX FPS	Audio support
1	Logicool HD Pro Webcam C920	2K(1920x1080)	30p	Yes
2	I-O DATA GV-HUVC 4K	4K(3840x2160)	30p	Yes

Logicool HD Pro Webcam C920(Input : 2K30p, Output : 2K30p) <CPU, Memory, Disk, NW, GPU>

- With No.1 PC(DMO)

input_output_2k30p_no01_dmo

- With No.1 PC(Pixel Shader)

input_output_2k30p_no01_ps

- With No.2 PC(DMO)

input_output_2k30p_no02_dmo

- With No.2 PC(Pixel Shader)

input_output_2k30p_no02_ps

I-O DATA GV-HUVC 4K(Input : 4K30p, Output : 4K30p) <CPU, Memory, Disk, NW, GPU>

- With No.1 PC(DMO)

input_output_4k30p_no01_dmo

- With No.1 PC(Pixel Shader)

input_output_4k30p_no01_ps

- With No.2 PC(DMO)

input_output_4k30p_no02_dmo

- With No.2 PC(Pixel Shader)

input_output_4k30p_no02_ps

Build

ex. For VS2017  
powershell.exe cmake -S . -B build -G "\"Visual Studio 15 2017 Win64"\"  
powershell.exe cmake --build build  

ex. VS2019 or higher  
powershell.exe cmake -S . -B build  
powershell.exe cmake --build build

How to use

1. Run the usbVideoDeviceCapture.exe from console.  
2. Select the video capture device number.  
3. Select the audio capture device number.  
4. Select the audio output device number.  
5. Select the color conversion mode number.  
6. A window will appear and capture will begin.

how_to_use

Note

- If all settings good, but capture is not started, the active signal resolution is not right.  
  Please check your windows display settings.  
  for example...

active_signal_resolution

Supported color format

Color Converter DSP(DirectX Media Object)

Please check to below url.
https://learn.microsoft.com/ja-jp/windows/win32/medfound/colorconverter

Pixel Shader

No.	Color format
1	NV12
2	RGB32

Design

design

IwachanOrigin / usb_video_device_capture

readme