To do this effectively, you need to understand the relationship between the and the Still Pin . The Anatomy of a USB Camera Filter
This is the easiest method. Since a BMP is essentially raw pixel data with a header, you can write the buffer directly to a file following standard BMP file formatting. 53455028.jpg
Reference the (specifically the StillCap sample) for the most reliable C++ implementation examples. zouhuigang/zishahu: 紫砂壶拍照项目 - GitHub To do this effectively, you need to understand
A critical technical constraint of many USB camera drivers is that you . To receive data from the Still Pin, the Capture Pin must already be connected and streaming. Think of the Capture Pin as the engine; the Still Pin is a specialized gear that only turns when the engine is running. Format Conflicts: YUY2, MJPG, and JPG Reference the (specifically the StillCap sample) for the
Note that MJPG is a video compression format and is not identical to a standard .jpg file. Even if your camera outputs MJPG, you still need to process it if you want a standalone image file. How to Save Your Captures