ALPHA_SHIFT_16_TO_10   76 libavcodec/proresdec2.c                     dst[idx++] = ALPHA_SHIFT_16_TO_10(alpha_val);
ALPHA_SHIFT_16_TO_10   98 libavcodec/proresdec2.c                     dst[idx++] = ALPHA_SHIFT_16_TO_10(alpha_val);