Skip to main content

Posts

Showing posts from January, 2023

Video display in Imgui using C++ and ESCAPI

To create an application that can view the webcam using ImGUI, C++, and ESCAPI, you can follow these steps: Install the required libraries and tools: You will need to have the ImGUI, C++, and DirectX11 libraries and tools installed on your system in order to build the application. You may also need to install additional libraries or tools that are required to access the webcam and capture video frames, such as the Microsoft Media Foundation library or the OpenCV library. Set up the ImGUI interface: Use the ImGUI library to set up the user interface for the application. This will typically involve creating the layout for the application's window, as well as any necessary buttons, sliders, or other controls that will be used to interact with the webcam. Initialize the ESCAPI context: Use the ESCAPI library to create a context that will be used to grabbing the webcam video frames. This will typically involve setting up a creating a render target, and initializing any necessary reso

Codec and pixel formats CODEC_ID_MPEG1VIDEO and PIX_FMT_YUV420P

The CODEC_ID_MPEG1VIDEO and PIX_FMT_YUV420P constants are part of the FFmpeg library, which is a popular open-source library for working with audio and video. These constants are used to identify specific codecs and pixel formats that can be used when processing audio and video data. If you are getting an error involving these constants, it could be due to a number of factors. Some possible causes of the error could include: Missing or incorrect include statement: Make sure that you have included the necessary FFmpeg header files in your source code, and that the include statements are correct. For example, to use the CODEC_ID_MPEG1VIDEO and PIX_FMT_YUV420P constants, you would need to include the avcodec.h header file. Linking errors: If you are using a pre-built version of the FFmpeg library, make sure that you have linked your project to the correct version of the library. If you are building FFmpeg from source, make sure that the library was built correctly and that your project