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...QualityScaler is completely written in Python, from the backend to the front end. Image/list of images upscale. Video upscale. Drag&drop files [image / multiple images/video] Automatic image tiling and merging to avoid gpu VRAM limitation. Resize image/video before upscaling. Multiple Gpu support. Compatible images - png, jpeg, bmp, webp, tif. Compatible video - mp4, wemb, gif, mkv, flv, avi, mov, qt.
JPEG decompression accelerated on GPU using OpenGL compute shaders
Ogljpeg is JPEG decompression library.
Primary focus of this project is to speed up texture upload process using JPEG compression. For this purpose OpenGL compute shaders are used and result of decompression is OpenGL texture loaded in GPU memory.
This is a research project to test GPU (OpenCL) usability for image compression. Jpeg format is chosen because it is relatively simple and I am familiar with it.
2013-01-22: For now only pixel conversion and DCT transform is done with OpenCL, entropy coding is done with CPU in one thread. Unfortunately this implementation is no match for even one threaded SSE2 jpeg encoder, too much data goes through PCIe.