I have a ESP32-S3-WROOM module by Freenove which has camera and micro SD card module. I can take a snapshot a PIXELFORMAT_JPEG photo. However, when I change the pixelformat with "PIXELFORMAT_GRAYSCALE",the module is capturing the raw data(1 byte for each pixel) which is 480kB constant for SVGA(600x8…

if you look here you'll see this to_jpg.cpp code it seems the functions there could be what you are looking for. You provide the source format form this list espressif/esp32-camera/blob/f0bb42917cddcfba2c32c2e2fb2875b4fea11b7a/driver/include/sensor.h#L72-L82 typede…

Compressing GRAYSCALE image with ESP32-S3-WROOM Freenove

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J-M-L January 30, 2024, 10:28am 6

great - have fun

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Compressing GRAYSCALE image with ESP32-S3-WROOM Freenove

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