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lavfi/nlmeans: use ptrdiff_t for linesizes

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Similarly to previous commit, this will help writing SIMD code by not
having manual zero-extension in SIMD code
This commit is contained in:
Clément Bœsch 2018-05-06 10:43:04 +02:00
parent 26f02c51ce
commit 5ba14f4f1a
1 changed files with 13 additions and 13 deletions
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26
libavfilter/vf_nlmeans.c
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@ -60,9 +60,9 @@ typedef struct NLMeansContext {
uint32_t *ii_orig; // integral image
uint32_t *ii; // integral image starting after the 0-line and 0-column
int ii_w, ii_h; // width and height of the integral image
int ii_lz_32; // linesize in 32-bit units of the integral image
ptrdiff_t ii_lz_32; // linesize in 32-bit units of the integral image
struct weighted_avg *wa; // weighted average of every pixel
int wa_linesize; // linesize for wa in struct size unit
ptrdiff_t wa_linesize; // linesize for wa in struct size unit
double weight_lut[WEIGHT_LUT_SIZE]; // lookup table mapping (scaled) patch differences to their associated weights
double pdiff_lut_scale; // scale factor for patch differences before looking into the LUT
int max_meaningful_diff; // maximum difference considered (if the patch difference is too high we ignore the pixel)
@ -150,9 +150,9 @@ static inline int get_integral_patch_value(const uint32_t *ii, int ii_lz_32, int
* while for SIMD implementation it is likely more interesting to use the
* two-loops algorithm variant.
*/
static void compute_safe_ssd_integral_image_c(uint32_t *dst, int dst_linesize_32,
const uint8_t *s1, int linesize1,
const uint8_t *s2, int linesize2,
static void compute_safe_ssd_integral_image_c(uint32_t *dst, ptrdiff_t dst_linesize_32,
const uint8_t *s1, ptrdiff_t linesize1,
const uint8_t *s2, ptrdiff_t linesize2,
int w, int h)
{
int x, y;
@ -198,9 +198,9 @@ static void compute_safe_ssd_integral_image_c(uint32_t *dst, int dst_linesize_32
* @param w width to compute
* @param h height to compute
*/
static inline void compute_unsafe_ssd_integral_image(uint32_t *dst, int dst_linesize_32,
static inline void compute_unsafe_ssd_integral_image(uint32_t *dst, ptrdiff_t dst_linesize_32,
int startx, int starty,
const uint8_t *src, int linesize,
const uint8_t *src, ptrdiff_t linesize,
int offx, int offy, int r, int sw, int sh,
int w, int h)
{
@ -240,8 +240,8 @@ static inline void compute_unsafe_ssd_integral_image(uint32_t *dst, int dst_line
* @param h source height
* @param e research padding edge
*/
static void compute_ssd_integral_image(uint32_t *ii, int ii_linesize_32,
const uint8_t *src, int linesize, int offx, int offy,
static void compute_ssd_integral_image(uint32_t *ii, ptrdiff_t ii_linesize_32,
const uint8_t *src, ptrdiff_t linesize, int offx, int offy,
int e, int w, int h)
{
// ii has a surrounding padding of thickness "e"
@ -367,7 +367,7 @@ static int config_input(AVFilterLink *inlink)
struct thread_data {
const uint8_t *src;
int src_linesize;
ptrdiff_t src_linesize;
int startx, starty;
int endx, endy;
const uint32_t *ii_start;
@ -379,7 +379,7 @@ static int nlmeans_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs
int x, y;
NLMeansContext *s = ctx->priv;
const struct thread_data *td = arg;
const int src_linesize = td->src_linesize;
const ptrdiff_t src_linesize = td->src_linesize;
const int process_h = td->endy - td->starty;
const int slice_start = (process_h * jobnr ) / nb_jobs;
const int slice_end = (process_h * (jobnr+1)) / nb_jobs;
@ -403,8 +403,8 @@ static int nlmeans_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs
}
static int nlmeans_plane(AVFilterContext *ctx, int w, int h, int p, int r,
uint8_t *dst, int dst_linesize,
const uint8_t *src, int src_linesize)
uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize)
{
int x, y;
int offx, offy;