decompress JPEG image, what else? you can specify required color components in req_comps (3 for RGB or 4 for RGBA), or leave it as is to use image value. Returns pixelAspectRatio and dotsPerInchY, -1 if not available.
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decompress JPEG image, what else? you can specify required color components in req_comps (3 for RGB or 4 for RGBA), or leave it as is to use image value. Returns pixelAspectRatio and dotsPerInchY, -1 if not available.