RGB 12-bit Packed BE has pixels crossing 32-bit block boundaries (8x3x12-bit in 9x32-bit) and the code for transforming from FFV1 decoder to DPX was not supporting if slices boundaries are not at DPX 32-block boundaries.
This PR removes this limitation.
RGB 12-bit Packed BE has pixels crossing 32-bit block boundaries (8x3x12-bit in 9x32-bit) and the code for transforming from FFV1 decoder to DPX was not supporting if slices boundaries are not at DPX 32-block boundaries. This PR removes this limitation.