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authorPaul B Mahol <onemda@gmail.com>2019-10-17 20:28:31 +0200
committerPaul B Mahol <onemda@gmail.com>2019-10-17 20:28:31 +0200
commit71e33c6e01f60f7ea9fe0ae10f244dbde64ca3b9 (patch)
tree6acf553e23ae278d2a5515a853a359a6e8f725d5 /libavfilter/vf_atadenoise.c
parent295d99b4393de8ff844048237eddac8496af567c (diff)
downloadffmpeg-71e33c6e01f60f7ea9fe0ae10f244dbde64ca3b9.tar.gz
avfilter/vf_atadenoise: add option to use additional algorithm
Diffstat (limited to 'libavfilter/vf_atadenoise.c')
-rw-r--r--libavfilter/vf_atadenoise.c59
1 files changed, 56 insertions, 3 deletions
diff --git a/libavfilter/vf_atadenoise.c b/libavfilter/vf_atadenoise.c
index 740f99d952..c306fdbb43 100644
--- a/libavfilter/vf_atadenoise.c
+++ b/libavfilter/vf_atadenoise.c
@@ -45,6 +45,7 @@ typedef struct ATADenoiseContext {
float fthra[4], fthrb[4];
int thra[4], thrb[4];
+ int algorithm;
int planes;
int nb_planes;
@@ -74,6 +75,9 @@ static const AVOption atadenoise_options[] = {
{ "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
{ "s", "set how many frames to use", OFFSET(size), AV_OPT_TYPE_INT, {.i64=9}, 5, SIZE, FLAGS },
{ "p", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, FLAGS },
+ { "a", "set variant of algorithm", OFFSET(algorithm),AV_OPT_TYPE_INT, {.i64=PARALLEL}, 0, NB_ATAA-1, FLAGS, "a" },
+ { "p", "parallel", 0, AV_OPT_TYPE_CONST, {.i64=PARALLEL}, 0, 0, FLAGS, "a" },
+ { "s", "serial", 0, AV_OPT_TYPE_CONST, {.i64=SERIAL}, 0, 0, FLAGS, "a" },
{ NULL }
};
@@ -175,6 +179,55 @@ static void filter_row##name(const uint8_t *ssrc, uint8_t *ddst, \
FILTER_ROW(uint8_t, 8)
FILTER_ROW(uint16_t, 16)
+#define FILTER_ROW_SERIAL(type, name) \
+static void filter_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst, \
+ const uint8_t *ssrcf[SIZE], \
+ int w, int mid, int size, \
+ int thra, int thrb) \
+{ \
+ const type *src = (const type *)ssrc; \
+ const type **srcf = (const type **)ssrcf; \
+ type *dst = (type *)ddst; \
+ \
+ for (int x = 0; x < w; x++) { \
+ const int srcx = src[x]; \
+ unsigned lsumdiff = 0, rsumdiff = 0; \
+ unsigned ldiff, rdiff; \
+ unsigned sum = srcx; \
+ int l = 0, r = 0; \
+ int srcjx, srcix; \
+ \
+ for (int j = mid - 1; j >= 0; j--) { \
+ srcjx = srcf[j][x]; \
+ \
+ ldiff = FFABS(srcx - srcjx); \
+ lsumdiff += ldiff; \
+ if (ldiff > thra || \
+ lsumdiff > thrb) \
+ break; \
+ l++; \
+ sum += srcjx; \
+ } \
+ \
+ for (int i = mid + 1; i < size; i++) { \
+ srcix = srcf[i][x]; \
+ \
+ rdiff = FFABS(srcx - srcix); \
+ rsumdiff += rdiff; \
+ if (rdiff > thra || \
+ rsumdiff > thrb) \
+ break; \
+ r++; \
+ sum += srcix; \
+ } \
+ \
+ dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1); \
+ } \
+}
+
+FILTER_ROW_SERIAL(uint8_t, 8)
+FILTER_ROW_SERIAL(uint16_t, 16)
+
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
ATADenoiseContext *s = ctx->priv;
@@ -238,9 +291,9 @@ static int config_input(AVFilterLink *inlink)
depth = desc->comp[0].depth;
s->filter_slice = filter_slice;
if (depth == 8)
- s->dsp.filter_row = filter_row8;
+ s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row8 : filter_row8_serial;
else
- s->dsp.filter_row = filter_row16;
+ s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row16 : filter_row16_serial;
s->thra[0] = s->fthra[0] * (1 << depth) - 1;
s->thra[1] = s->fthra[1] * (1 << depth) - 1;
@@ -250,7 +303,7 @@ static int config_input(AVFilterLink *inlink)
s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
if (ARCH_X86)
- ff_atadenoise_init_x86(&s->dsp, depth);
+ ff_atadenoise_init_x86(&s->dsp, depth, s->algorithm);
return 0;
}