diff options
| -rw-r--r-- | libavutil/film_grain_params.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavutil/film_grain_params.h b/libavutil/film_grain_params.h index 0bcbcc2324..7629e3a041 100644 --- a/libavutil/film_grain_params.h +++ b/libavutil/film_grain_params.h @@ -64,18 +64,19 @@ typedef struct AVFilmGrainAOMParams { int scaling_shift; /** - * Specifies the auto-regression lag. The number of coefficients is given by - * 2*ar_coeff_lag(ar_coeff_lag - 1), with an extra one for the chroma. + * Specifies the auto-regression lag. */ int ar_coeff_lag; /** - * Luma auto-regression coefficients. + * Luma auto-regression coefficients. The number of coefficients is given by + * 2 * ar_coeff_lag * (ar_coeff_lag + 1). */ int8_t ar_coeffs_y[24]; /** - * Chroma auto-regression coefficients. + * Chroma auto-regression coefficients. The number of coefficients is given by + * 2 * ar_coeff_lag * (ar_coeff_lag + 1) + !!num_y_points. */ int8_t ar_coeffs_uv[2 /* cb, cr */][25]; |