diff options
Diffstat (limited to 'third_party/aom/aom_dsp/grain_synthesis.c')
| -rw-r--r-- | third_party/aom/aom_dsp/grain_synthesis.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/third_party/aom/aom_dsp/grain_synthesis.c b/third_party/aom/aom_dsp/grain_synthesis.c index fcb6c290e7..ff1ec41a24 100644 --- a/third_party/aom/aom_dsp/grain_synthesis.c +++ b/third_party/aom/aom_dsp/grain_synthesis.c @@ -17,6 +17,7 @@ #include <stdio.h> #include <string.h> #include <stdlib.h> +#include <assert.h> #include "aom_dsp/grain_synthesis.h" #include "aom_mem/aom_mem.h" @@ -237,7 +238,7 @@ static int grain_max; static uint16_t random_register = 0; // random number generator register -static void init_arrays(aom_film_grain_t *params, int luma_stride, +static void init_arrays(const aom_film_grain_t *params, int luma_stride, int chroma_stride, int ***pred_pos_luma_p, int ***pred_pos_chroma_p, int **luma_grain_block, int **cb_grain_block, int **cr_grain_block, @@ -331,7 +332,7 @@ static void init_arrays(aom_film_grain_t *params, int luma_stride, (int *)aom_malloc(sizeof(**cr_grain_block) * chroma_grain_samples); } -static void dealloc_arrays(aom_film_grain_t *params, int ***pred_pos_luma, +static void dealloc_arrays(const aom_film_grain_t *params, int ***pred_pos_luma, int ***pred_pos_chroma, int **luma_grain_block, int **cb_grain_block, int **cr_grain_block, int **y_line_buf, int **cb_line_buf, @@ -396,10 +397,14 @@ static void init_random_generator(int luma_line, uint16_t seed) { } static void generate_luma_grain_block( - aom_film_grain_t *params, int **pred_pos_luma, int *luma_grain_block, + const aom_film_grain_t *params, int **pred_pos_luma, int *luma_grain_block, int luma_block_size_y, int luma_block_size_x, int luma_grain_stride, int left_pad, int top_pad, int right_pad, int bottom_pad) { - if (params->num_y_points == 0) return; + if (params->num_y_points == 0) { + memset(luma_grain_block, 0, + sizeof(*luma_grain_block) * luma_block_size_y * luma_grain_stride); + return; + } int bit_depth = params->bit_depth; int gauss_sec_shift = 12 - bit_depth + params->grain_scale_shift; @@ -431,7 +436,7 @@ static void generate_luma_grain_block( } static void generate_chroma_grain_blocks( - aom_film_grain_t *params, + const aom_film_grain_t *params, // int** pred_pos_luma, int **pred_pos_chroma, int *luma_grain_block, int *cb_grain_block, int *cr_grain_block, int luma_grain_stride, int chroma_block_size_y, @@ -443,7 +448,7 @@ static void generate_chroma_grain_blocks( int num_pos_chroma = 2 * params->ar_coeff_lag * (params->ar_coeff_lag + 1); if (params->num_y_points > 0) ++num_pos_chroma; int rounding_offset = (1 << (params->ar_coeff_shift - 1)); - int chroma_grain_samples = chroma_block_size_y * chroma_block_size_x; + int chroma_grain_block_size = chroma_block_size_y * chroma_grain_stride; if (params->num_cb_points || params->chroma_scaling_from_luma) { init_random_generator(7 << 5, params->random_seed); @@ -455,7 +460,8 @@ static void generate_chroma_grain_blocks( ((1 << gauss_sec_shift) >> 1)) >> gauss_sec_shift; } else { - memset(cr_grain_block, 0, sizeof(*cr_grain_block) * chroma_grain_samples); + memset(cb_grain_block, 0, + sizeof(*cb_grain_block) * chroma_grain_block_size); } if (params->num_cr_points || params->chroma_scaling_from_luma) { @@ -468,7 +474,8 @@ static void generate_chroma_grain_blocks( ((1 << gauss_sec_shift) >> 1)) >> gauss_sec_shift; } else { - memset(cb_grain_block, 0, sizeof(*cb_grain_block) * chroma_grain_samples); + memset(cr_grain_block, 0, + sizeof(*cr_grain_block) * chroma_grain_block_size); } for (int i = top_pad; i < chroma_block_size_y - bottom_pad; i++) @@ -522,7 +529,7 @@ static void generate_chroma_grain_blocks( } } -static void init_scaling_function(int scaling_points[][2], int num_points, +static void init_scaling_function(const int scaling_points[][2], int num_points, int scaling_lut[]) { if (num_points == 0) return; @@ -559,7 +566,7 @@ static int scale_LUT(int *scaling_lut, int index, int bit_depth) { (bit_depth - 8)); } -static void add_noise_to_block(aom_film_grain_t *params, uint8_t *luma, +static void add_noise_to_block(const aom_film_grain_t *params, uint8_t *luma, uint8_t *cb, uint8_t *cr, int luma_stride, int chroma_stride, int *luma_grain, int *cb_grain, int *cr_grain, @@ -675,7 +682,7 @@ static void add_noise_to_block(aom_film_grain_t *params, uint8_t *luma, } static void add_noise_to_block_hbd( - aom_film_grain_t *params, uint16_t *luma, uint16_t *cb, uint16_t *cr, + const aom_film_grain_t *params, uint16_t *luma, uint16_t *cb, uint16_t *cr, int luma_stride, int chroma_stride, int *luma_grain, int *cb_grain, int *cr_grain, int luma_grain_stride, int chroma_grain_stride, int half_luma_height, int half_luma_width, int bit_depth, @@ -903,7 +910,7 @@ static void hor_boundary_overlap(int *top_block, int top_stride, } } -void av1_add_film_grain(aom_film_grain_t *params, aom_image_t *src, +void av1_add_film_grain(const aom_film_grain_t *params, const aom_image_t *src, aom_image_t *dst) { uint8_t *luma, *cb, *cr; int height, width, luma_stride, chroma_stride; @@ -950,6 +957,11 @@ void av1_add_film_grain(aom_film_grain_t *params, aom_image_t *src, exit(1); } + assert(params->bit_depth == src->bit_depth); + + dst->fmt = src->fmt; + dst->bit_depth = src->bit_depth; + dst->r_w = src->r_w; dst->r_h = src->r_h; dst->d_w = src->d_w; @@ -999,15 +1011,13 @@ void av1_add_film_grain(aom_film_grain_t *params, aom_image_t *src, luma_stride = dst->stride[AOM_PLANE_Y] >> use_high_bit_depth; chroma_stride = dst->stride[AOM_PLANE_U] >> use_high_bit_depth; - params->bit_depth = dst->bit_depth; - av1_add_film_grain_run(params, luma, cb, cr, height, width, luma_stride, chroma_stride, use_high_bit_depth, chroma_subsamp_y, chroma_subsamp_x, mc_identity); return; } -void av1_add_film_grain_run(aom_film_grain_t *params, uint8_t *luma, +void av1_add_film_grain_run(const aom_film_grain_t *params, uint8_t *luma, uint8_t *cb, uint8_t *cr, int height, int width, int luma_stride, int chroma_stride, int use_high_bit_depth, int chroma_subsamp_y, |