Mjpeg b codec

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One general purpose digital input and one output are provided. The output is optically isolated, while the input may be either optically isolated or galvanically coupled. The input is sampled every millisecond and, when a state change is detected, a notification is sent to the application program. The input can also be used to control the flow of any stream, without host involvement. Hardware-generated timestamps are employed to keep audio synchronized to the video, thus eliminating 'lip sync' problems.

The overlay generators can position up to characters of text anywhere in the video frame. A unique text string, consisting of mixed constant and variable text, may be defined for each overlay generator. Text variables are automatically updated every video frame. Supported variables include time, date, and frame count. Overlay images and high quality, styled unicode text bold, italic, underline, outline and shadow can be displayed on top of the composite video output, compressed streams, or preview stream but not low latency preview stream.

Up to full-color overlay regions are supported on the composite output, and up to eight monochrome-only regions are supported on compressed and preview streams except low latency preview. BMP and PNG image formats are supported, with 24 or 32 bits per pixel and up to eight transparancy levels. Higher compression without compromising quality. Progressive image reconstruction which allows to see full image even during the transmission process.

Define Region of interest that allows to define some important areas to be compressed at a higher quality than other one. Lossy and lossless compression: have the choice of loosing quality but having little files or preserve all the quality but still saving a lot of space. Error resilience functionality for noisy channels allows the transmission of JPEG images in mobile applications.