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ffmpeg.wasm-core
Commit fbea2ea7 authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/vf_neighbor: fix >8 bit deflate/inflate

parent fc94e970
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Showing with 27 additions and 16 deletions
libavfilter/vf_neighbor.c
View file @ fbea2ea7
......@@ -41,10 +41,12 @@ typedef struct NContext {
int coordinates;
int depth;
int max;
int bpc;
void (*filter)(uint8_t *dst, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord);
int threshold, const uint8_t *coordinates[], int coord,
int maxc);
} NContext;
static int query_formats(AVFilterContext *ctx)
......@@ -74,7 +76,8 @@ static int query_formats(AVFilterContext *ctx)
}
static void erosion(uint8_t *dst, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
int x, i;
......@@ -94,7 +97,8 @@ static void erosion(uint8_t *dst, const uint8_t *p1, int width,
}
static void erosion16(uint8_t *dstp, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
uint16_t *dst = (uint16_t *)dstp;
int x, i;
......@@ -115,7 +119,8 @@ static void erosion16(uint8_t *dstp, const uint8_t *p1, int width,
}
static void dilation(uint8_t *dst, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
int x, i;
......@@ -135,14 +140,15 @@ static void dilation(uint8_t *dst, const uint8_t *p1, int width,
}
static void dilation16(uint8_t *dstp, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
uint16_t *dst = (uint16_t *)dstp;
int x, i;
for (x = 0; x < width; x++) {
int max = AV_RN16A(&p1[x * 2]);
int limit = FFMIN(max + threshold, 255);
int limit = FFMIN(max + threshold, maxc);
for (i = 0; i < 8; i++) {
if (coord & (1 << i)) {
......@@ -156,7 +162,8 @@ static void dilation16(uint8_t *dstp, const uint8_t *p1, int width,
}
static void deflate(uint8_t *dst, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
int x, i;
......@@ -171,7 +178,8 @@ static void deflate(uint8_t *dst, const uint8_t *p1, int width,
}
static void deflate16(uint8_t *dstp, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
uint16_t *dst = (uint16_t *)dstp;
int x, i;
......@@ -182,12 +190,13 @@ static void deflate16(uint8_t *dstp, const uint8_t *p1, int width,
for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
dst[x] = FFMAX(FFMIN(sum / 8, p1[x]), limit);
dst[x] = FFMAX(FFMIN(sum / 8, AV_RN16A(&p1[2 * x])), limit);
}
}
static void inflate(uint8_t *dst, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
int x, i;
......@@ -202,18 +211,19 @@ static void inflate(uint8_t *dst, const uint8_t *p1, int width,
}
static void inflate16(uint8_t *dstp, const uint8_t *p1, int width,
int threshold, const uint8_t *coordinates[], int coord)
int threshold, const uint8_t *coordinates[], int coord,
int maxc)
{
uint16_t *dst = (uint16_t *)dstp;
int x, i;
for (x = 0; x < width; x++) {
int sum = 0;
int limit = FFMIN(AV_RN16A(&p1[2 * x]) + threshold, 255);
int limit = FFMIN(AV_RN16A(&p1[2 * x]) + threshold, maxc);
for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
dst[x] = FFMIN(FFMAX(sum / 8, p1[x]), limit);
dst[x] = FFMIN(FFMAX(sum / 8, AV_RN16A(&p1[x * 2])), limit);
}
}
......@@ -224,6 +234,7 @@ static int config_input(AVFilterLink *inlink)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
s->depth = desc->comp[0].depth;
s->max = (1 << s->depth) - 1;
s->bpc = (s->depth + 7) / 8;
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
......@@ -285,9 +296,9 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
src + (width - 2) * bpc, src + (width - 2) * bpc,
src + (width - 2) * bpc + ph * stride, src + (width - 1) * bpc + ph * stride, src + (width - 2) * bpc + ph * stride};
s->filter(dst, src, 1, threshold, coordinateslb, s->coordinates);
s->filter(dst + 1 * bpc, src + 1 * bpc, width - 2, threshold, coordinates, s->coordinates);
s->filter(dst + (width - 1) * bpc, src + (width - 1) * bpc, 1, threshold, coordinatesrb, s->coordinates);
s->filter(dst, src, 1, threshold, coordinateslb, s->coordinates, s->max);
s->filter(dst + 1 * bpc, src + 1 * bpc, width - 2, threshold, coordinates, s->coordinates, s->max);
s->filter(dst + (width - 1) * bpc, src + (width - 1) * bpc, 1, threshold, coordinatesrb, s->coordinates, s->max);
src += stride;
dst += dstride;
......
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