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Code Issues Releases Activity

avfilter/vf_colorlevels: call execute once per frame

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This commit is contained in:
Paul B Mahol 2021-02-02 16:44:29 +01:00
parent 7ee3a5594b
commit 68b5236eae
1 changed files with 102 additions and 103 deletions
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205
libavfilter/vf_colorlevels.c
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@ -40,11 +40,14 @@ typedef struct Range {
typedef struct ColorLevelsContext {
const AVClass *class;
Range range[4];
int nb_comp;
int bpp;
int step;
uint8_t rgba_map[4];
int linesize;
int (*colorlevels_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} ColorLevelsContext;
#define OFFSET(x) offsetof(ColorLevelsContext, x)
@ -90,6 +93,74 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, fmts_list);
}
typedef struct ThreadData {
const uint8_t *srcrow;
uint8_t *dstrow;
int dst_linesize;
int src_linesize;
float coeff[4];
int h;
int imin[4];
int omin[4];
} ThreadData;
#define LOAD_COMMON \
ColorLevelsContext *s = ctx->priv; \
const ThreadData *td = arg; \
const int process_h = td->h; \
const int slice_start = (process_h * jobnr ) / nb_jobs; \
const int slice_end = (process_h * (jobnr+1)) / nb_jobs; \
const uint8_t *srcrow = td->srcrow; \
uint8_t *dstrow = td->dstrow; \
const int step = s->step;
static int colorlevels_slice_8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
LOAD_COMMON
for (int comp = 0; comp < s->nb_comp; comp++) {
const uint8_t offset = s->rgba_map[comp];
const int imin = td->imin[comp];
const int omin = td->omin[comp];
const float coeff = td->coeff[comp];
for (int y = slice_start; y < slice_end; y++) {
const uint8_t *src = srcrow + y * td->src_linesize;
uint8_t *dst = dstrow + y * td->dst_linesize;
for (int x = 0; x < s->linesize; x += step)
dst[x + offset] = av_clip_uint8((src[x + offset] - imin) * coeff + omin);
}
}
return 0;
}
static int colorlevels_slice_16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
LOAD_COMMON
for (int comp = 0; comp < s->nb_comp; comp++) {
const uint8_t offset = s->rgba_map[comp];
const int imin = td->imin[comp];
const int omin = td->omin[comp];
const float coeff = td->coeff[comp];
for (int y = slice_start; y < slice_end; y++) {
const uint16_t *src = (const uint16_t *)(srcrow + y * td->src_linesize);
uint16_t *dst = (uint16_t *)(dstrow + y * td->dst_linesize);
for (int x = 0; x < s->linesize; x += step)
dst[x + offset] = av_clip_uint16((src[x + offset] - imin) * coeff + omin);
}
}
return 0;
}
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
@ -98,71 +169,13 @@ static int config_input(AVFilterLink *inlink)
s->nb_comp = desc->nb_components;
s->bpp = desc->comp[0].depth >> 3;
s->step = (av_get_padded_bits_per_pixel(desc) >> 3) / s->bpp;
s->step = av_get_padded_bits_per_pixel(desc) >> (3 + (s->bpp == 2));
s->linesize = inlink->w * s->step;
ff_fill_rgba_map(s->rgba_map, inlink->format);
return 0;
}
typedef struct ThreadData {
const uint8_t *srcrow;
uint8_t *dstrow;
int dst_linesize;
int src_linesize;
float coeff;
uint8_t offset;
int h;
int imin;
int omin;
} ThreadData;
#define LOAD_COMMON \
ColorLevelsContext *s = ctx->priv; \
const ThreadData *td = arg; \
\
int process_h = td->h; \
const int slice_start = (process_h * jobnr ) / nb_jobs; \
const int slice_end = (process_h * (jobnr+1)) / nb_jobs; \
int x, y; \
const uint8_t *srcrow = td->srcrow; \
uint8_t *dstrow = td->dstrow; \
const int step = s->step; \
const uint8_t offset = td->offset; \
\
int imin = td->imin; \
int omin = td->omin; \
float coeff = td->coeff;
static int colorlevel_slice_8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
LOAD_COMMON
for (y = slice_start; y < slice_end; y++) {
const uint8_t *src = srcrow + y * td->src_linesize;
uint8_t *dst = dstrow + y * td->dst_linesize;
for (x = 0; x < s->linesize; x += step)
dst[x + offset] = av_clip_uint8((src[x + offset] - imin) * coeff + omin);
}
return 0;
}
static int colorlevel_slice_16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
LOAD_COMMON
for (y = slice_start; y < slice_end; y++) {
const uint16_t *src = (const uint16_t *)(srcrow + y * td->src_linesize);
uint16_t *dst = (uint16_t *)(dstrow + y * td->dst_linesize);
for (x = 0; x < s->linesize; x += step)
dst[x + offset] = av_clip_uint16((src[x + offset] - imin) * coeff + omin);
}
s->colorlevels_slice = colorlevels_slice_8;
if (s->bpp == 2)
s->colorlevels_slice = colorlevels_slice_16;
return 0;
}
@ -173,8 +186,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
ColorLevelsContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
const int step = s->step;
ThreadData td;
AVFrame *out;
int x, y, i;
if (av_frame_is_writable(in)) {
out = in;
@ -187,26 +200,30 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
av_frame_copy_props(out, in);
}
td.h = inlink->h;
td.dst_linesize = out->linesize[0];
td.src_linesize = in->linesize[0];
td.srcrow = in->data[0];
td.dstrow = out->data[0];
switch (s->bpp) {
case 1:
for (i = 0; i < s->nb_comp; i++) {
for (int i = 0; i < s->nb_comp; i++) {
Range *r = &s->range[i];
const uint8_t offset = s->rgba_map[i];
const uint8_t *srcrow = in->data[0];
uint8_t *dstrow = out->data[0];
int imin = lrint(r->in_min * UINT8_MAX);
int imax = lrint(r->in_max * UINT8_MAX);
int omin = lrint(r->out_min * UINT8_MAX);
int omax = lrint(r->out_max * UINT8_MAX);
float coeff;
ThreadData td;
if (imin < 0) {
imin = UINT8_MAX;
for (y = 0; y < inlink->h; y++) {
for (int y = 0; y < inlink->h; y++) {
const uint8_t *src = srcrow;
for (x = 0; x < s->linesize; x += step)
for (int x = 0; x < s->linesize; x += step)
imin = FFMIN(imin, src[x + offset]);
srcrow += in->linesize[0];
}
@ -214,51 +231,39 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (imax < 0) {
srcrow = in->data[0];
imax = 0;
for (y = 0; y < inlink->h; y++) {
for (int y = 0; y < inlink->h; y++) {
const uint8_t *src = srcrow;
for (x = 0; x < s->linesize; x += step)
for (int x = 0; x < s->linesize; x += step)
imax = FFMAX(imax, src[x + offset]);
srcrow += in->linesize[0];
}
}
srcrow = in->data[0];
coeff = (omax - omin) / (double)(imax - imin);
td.srcrow = srcrow;
td.dstrow = dstrow;
td.dst_linesize = out->linesize[0];
td.src_linesize = in->linesize[0];
td.coeff = coeff;
td.offset = offset;
td.h = inlink->h;
td.imin = imin;
td.omin = omin;
ctx->internal->execute(ctx, colorlevel_slice_8, &td, NULL,
FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
td.coeff[i] = coeff;
td.imin[i] = imin;
td.omin[i] = omin;
}
break;
case 2:
for (i = 0; i < s->nb_comp; i++) {
for (int i = 0; i < s->nb_comp; i++) {
Range *r = &s->range[i];
const uint8_t offset = s->rgba_map[i];
const uint8_t *srcrow = in->data[0];
uint8_t *dstrow = out->data[0];
int imin = lrint(r->in_min * UINT16_MAX);
int imax = lrint(r->in_max * UINT16_MAX);
int omin = lrint(r->out_min * UINT16_MAX);
int omax = lrint(r->out_max * UINT16_MAX);
float coeff;
ThreadData td;
if (imin < 0) {
imin = UINT16_MAX;
for (y = 0; y < inlink->h; y++) {
for (int y = 0; y < inlink->h; y++) {
const uint16_t *src = (const uint16_t *)srcrow;
for (x = 0; x < s->linesize; x += step)
for (int x = 0; x < s->linesize; x += step)
imin = FFMIN(imin, src[x + offset]);
srcrow += in->linesize[0];
}
@ -266,33 +271,27 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (imax < 0) {
srcrow = in->data[0];
imax = 0;
for (y = 0; y < inlink->h; y++) {
for (int y = 0; y < inlink->h; y++) {
const uint16_t *src = (const uint16_t *)srcrow;
for (x = 0; x < s->linesize; x += step)
for (int x = 0; x < s->linesize; x += step)
imax = FFMAX(imax, src[x + offset]);
srcrow += in->linesize[0];
}
}
srcrow = in->data[0];
coeff = (omax - omin) / (double)(imax - imin);
td.srcrow = srcrow;
td.dstrow = dstrow;
td.dst_linesize = out->linesize[0];
td.src_linesize = in->linesize[0];
td.coeff = coeff;
td.offset = offset;
td.h = inlink->h;
td.imin = imin;
td.omin = omin;
ctx->internal->execute(ctx, colorlevel_slice_16, &td, NULL,
FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
td.coeff[i] = coeff;
td.imin[i] = imin;
td.omin[i] = omin;
}
break;
}
ctx->internal->execute(ctx, s->colorlevels_slice, &td, NULL,
FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
if (in != out)
av_frame_free(&in);
return ff_filter_frame(outlink, out);