2019-01-06 8:43 GMT+01:00, Peter Ross <pr...@xvid.org>:
> +static const uint32_t vp4_generic_dequant[64] = {
> + 16, 17, 18, 20, 22, 24, 26, 28,
> + 17, 18, 20, 22, 24, 26, 28, 32,
> + 18, 20, 22, 24, 26, 28, 32, 36,
> + 20, 22, 24, 26, 28, 32, 36, 40,
> + 22, 24, 26, 28, 32, 36, 40, 44,
> + 24, 26, 28, 32, 36, 40, 44, 48,
> + 26, 28, 32, 36, 40, 44, 48, 52,
> + 28, 32, 36, 40, 44, 48, 52, 56
> +};
> +
> +static const uint32_t vp4_y_dc_scale_factor[64] = {
> + 180, 180, 180, 180, 180, 180, 175, 170,
> + 165, 160, 157, 155, 152, 150, 147, 145,
> + 142, 140, 137, 135, 132, 130, 127, 125,
> + 122, 120, 117, 115, 112, 110, 107, 105,
> + 102, 100, 97, 95, 92, 90, 87, 85,
> + 82, 80, 77, 75, 72, 70, 67, 65,
> + 62, 60, 57, 55, 52, 50, 47, 45,
> + 42, 40, 37, 35, 32, 30, 27, 25
> +};
> +
> +static const uint32_t vp4_uv_dc_scale_factor[64] = {
> + 150, 150, 150, 150, 150, 150, 150, 150,
> + 150, 150, 150, 150, 150, 150, 147, 145,
> + 142, 140, 137, 135, 132, 130, 127, 125,
> + 122, 120, 117, 115, 112, 110, 107, 105,
> + 102, 100, 97, 95, 92, 90, 87, 85,
> + 82, 80, 77, 75, 72, 70, 67, 65,
> + 62, 60, 57, 55, 52, 50, 47, 45,
> + 42, 40, 37, 35, 32, 30, 27, 25
> +};
If there is a performance reason why they are not uint8_t,
please mention it in a comment.
Carl Eugen
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