diff options
| -rw-r--r-- | libhb/lapsharp.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/libhb/lapsharp.c b/libhb/lapsharp.c index 89160b72e..5f1606d3c 100644 --- a/libhb/lapsharp.c +++ b/libhb/lapsharp.c @@ -30,29 +30,28 @@ typedef struct { // 4-neighbor Laplacian kernel (lap) // Sharpens vertical and horizontal edges, less effective on diagonals +// size = 3, coef = 1.0 static const int kernel_lap[] = { 0, -1, 0, -1, 5, -1, 0, -1, 0 }; -static const int kernel_lap_size = 3; -static const double kernel_lap_coef = 1.0 / 1; // Isotropic Laplacian kernel (isolap) // Minimial directionality, sharpens all edges similarly +// size = 3, coef = 1.0 / 5 static const int kernel_isolap[] = { -1, -4, -1, -4, 25, -4, -1, -4, -1 }; -static const int kernel_isolap_size = 3; -static const double kernel_isolap_coef = 1.0 / 5; // Laplacian of Gaussian kernel (log) // Slight noise and grain rejection // σ ~= 1 +// size = 5, coef = 1.0 / 5 static const int kernel_log[] = { 0, 0, -1, 0, 0, @@ -61,12 +60,11 @@ static const int kernel_log[] = 0, -1, -2, -1, 0, 0, 0, -1, 0, 0 }; -static const int kernel_log_size = 5; -static const double kernel_log_coef = 1.0 / 5; // Isotropic Laplacian of Gaussian kernel (isolog) // Minimial directionality, plus noise and grain rejection // σ ~= 1.2 +// size = 5, coef = 1.0 / 15 static const int kernel_isolog[] = { 0, -1, -1, -1, 0, @@ -75,15 +73,13 @@ static const int kernel_isolog[] = -1, -3, -4, -3, -1, 0, -1, -1, -1, 0 }; -static const int kernel_isolog_size = 5; -static const double kernel_isolog_coef = 1.0 / 15; static kernel_t kernels[] = { - { kernel_lap, kernel_lap_size, kernel_lap_coef }, - { kernel_isolap, kernel_isolap_size, kernel_isolap_coef }, - { kernel_log, kernel_log_size, kernel_log_coef }, - { kernel_isolog, kernel_isolog_size, kernel_isolog_coef } + { kernel_lap, 3, 1.0 }, + { kernel_isolap, 3, 1.0 / 5 }, + { kernel_log, 5, 1.0 / 5 }, + { kernel_isolog, 5, 1.0 / 15 } }; struct hb_filter_private_s |