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Code Issues Releases Activity

avfilter/vf_displace: add slice threading support

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This commit is contained in:
Paul B Mahol 2023-06-18 11:01:56 +02:00
parent 494ebfdbfa
commit 54dc06e09e
1 changed files with 67 additions and 44 deletions
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111
libavfilter/vf_displace.c
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@ -45,8 +45,7 @@ typedef struct DisplaceContext {
uint8_t blank[4];
FFFrameSync fs;
void (*displace)(struct DisplaceContext *s, const AVFrame *in,
const AVFrame *xpic, const AVFrame *ypic, AVFrame *out);
int (*displace_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} DisplaceContext;
#define OFFSET(x) offsetof(DisplaceContext, x)
@ -76,29 +75,38 @@ static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE
};
static void displace_planar(DisplaceContext *s, const AVFrame *in,
const AVFrame *xpic, const AVFrame *ypic,
AVFrame *out)
{
int plane, x, y;
typedef struct ThreadData {
AVFrame *in, *xin, *yin, *out;
} ThreadData;
for (plane = 0; plane < s->nb_planes; plane++) {
static int displace_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
DisplaceContext *s = ctx->priv;
const ThreadData *td = arg;
const AVFrame *in = td->in;
const AVFrame *xin = td->xin;
const AVFrame *yin = td->yin;
const AVFrame *out = td->out;
for (int plane = 0; plane < s->nb_planes; plane++) {
const int h = s->height[plane];
const int w = s->width[plane];
const int slice_start = (h * jobnr ) / nb_jobs;
const int slice_end = (h * (jobnr+1)) / nb_jobs;
const int dlinesize = out->linesize[plane];
const int slinesize = in->linesize[plane];
const int xlinesize = xpic->linesize[plane];
const int ylinesize = ypic->linesize[plane];
const int xlinesize = xin->linesize[plane];
const int ylinesize = yin->linesize[plane];
const uint8_t *src = in->data[plane];
const uint8_t *ysrc = ypic->data[plane];
const uint8_t *xsrc = xpic->data[plane];
uint8_t *dst = out->data[plane];
const uint8_t *ysrc = yin->data[plane] + slice_start * ylinesize;
const uint8_t *xsrc = xin->data[plane] + slice_start * xlinesize;
uint8_t *dst = out->data[plane] + slice_start * dlinesize;
const uint8_t blank = s->blank[plane];
for (y = 0; y < h; y++) {
for (int y = slice_start; y < slice_end; y++) {
switch (s->edge) {
case EDGE_BLANK:
for (x = 0; x < w; x++) {
for (int x = 0; x < w; x++) {
int Y = y + ysrc[x] - 128;
int X = x + xsrc[x] - 128;
@ -109,14 +117,14 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in,
}
break;
case EDGE_SMEAR:
for (x = 0; x < w; x++) {
for (int x = 0; x < w; x++) {
int Y = av_clip(y + ysrc[x] - 128, 0, h - 1);
int X = av_clip(x + xsrc[x] - 128, 0, w - 1);
dst[x] = src[Y * slinesize + X];
}
break;
case EDGE_WRAP:
for (x = 0; x < w; x++) {
for (int x = 0; x < w; x++) {
int Y = (y + ysrc[x] - 128) % h;
int X = (x + xsrc[x] - 128) % w;
@ -128,7 +136,7 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in,
}
break;
case EDGE_MIRROR:
for (x = 0; x < w; x++) {
for (int x = 0; x < w; x++) {
int Y = y + ysrc[x] - 128;
int X = x + xsrc[x] - 128;
@ -150,31 +158,37 @@ static void displace_planar(DisplaceContext *s, const AVFrame *in,
dst += dlinesize;
}
}
return 0;
}
static void displace_packed(DisplaceContext *s, const AVFrame *in,
const AVFrame *xpic, const AVFrame *ypic,
AVFrame *out)
static int displace_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
DisplaceContext *s = ctx->priv;
const ThreadData *td = arg;
const AVFrame *in = td->in;
const AVFrame *xin = td->xin;
const AVFrame *yin = td->yin;
const AVFrame *out = td->out;
const int step = s->step;
const int h = s->height[0];
const int w = s->width[0];
const int slice_start = (h * jobnr ) / nb_jobs;
const int slice_end = (h * (jobnr+1)) / nb_jobs;
const int dlinesize = out->linesize[0];
const int slinesize = in->linesize[0];
const int xlinesize = xpic->linesize[0];
const int ylinesize = ypic->linesize[0];
const int xlinesize = xin->linesize[0];
const int ylinesize = yin->linesize[0];
const uint8_t *src = in->data[0];
const uint8_t *ysrc = ypic->data[0];
const uint8_t *xsrc = xpic->data[0];
const uint8_t *ysrc = yin->data[0] + slice_start * ylinesize;
const uint8_t *xsrc = xin->data[0] + slice_start * xlinesize;
uint8_t *dst = out->data[0] + slice_start * dlinesize;
const uint8_t *blank = s->blank;
uint8_t *dst = out->data[0];
int c, x, y;
for (y = 0; y < h; y++) {
for (int y = slice_start; y < slice_end; y++) {
switch (s->edge) {
case EDGE_BLANK:
for (x = 0; x < w; x++) {
for (c = 0; c < s->nb_components; c++) {
for (int x = 0; x < w; x++) {
for (int c = 0; c < s->nb_components; c++) {
int Y = y + (ysrc[x * step + c] - 128);
int X = x + (xsrc[x * step + c] - 128);
@ -186,8 +200,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in,
}
break;
case EDGE_SMEAR:
for (x = 0; x < w; x++) {
for (c = 0; c < s->nb_components; c++) {
for (int x = 0; x < w; x++) {
for (int c = 0; c < s->nb_components; c++) {
int Y = av_clip(y + (ysrc[x * step + c] - 128), 0, h - 1);
int X = av_clip(x + (xsrc[x * step + c] - 128), 0, w - 1);
@ -196,8 +210,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in,
}
break;
case EDGE_WRAP:
for (x = 0; x < w; x++) {
for (c = 0; c < s->nb_components; c++) {
for (int x = 0; x < w; x++) {
for (int c = 0; c < s->nb_components; c++) {
int Y = (y + (ysrc[x * step + c] - 128)) % h;
int X = (x + (xsrc[x * step + c] - 128)) % w;
@ -210,8 +224,8 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in,
}
break;
case EDGE_MIRROR:
for (x = 0; x < w; x++) {
for (c = 0; c < s->nb_components; c++) {
for (int x = 0; x < w; x++) {
for (int c = 0; c < s->nb_components; c++) {
int Y = y + ysrc[x * step + c] - 128;
int X = x + xsrc[x * step + c] - 128;
@ -233,6 +247,7 @@ static void displace_packed(DisplaceContext *s, const AVFrame *in,
xsrc += xlinesize;
dst += dlinesize;
}
return 0;
}
static int process_frame(FFFrameSync *fs)
@ -240,12 +255,12 @@ static int process_frame(FFFrameSync *fs)
AVFilterContext *ctx = fs->parent;
DisplaceContext *s = fs->opaque;
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out, *in, *xpic, *ypic;
AVFrame *out, *in, *xin, *yin;
int ret;
if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 ||
(ret = ff_framesync_get_frame(&s->fs, 1, &xpic, 0)) < 0 ||
(ret = ff_framesync_get_frame(&s->fs, 2, &ypic, 0)) < 0)
if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 ||
(ret = ff_framesync_get_frame(&s->fs, 1, &xin, 0)) < 0 ||
(ret = ff_framesync_get_frame(&s->fs, 2, &yin, 0)) < 0)
return ret;
if (ctx->is_disabled) {
@ -253,12 +268,19 @@ static int process_frame(FFFrameSync *fs)
if (!out)
return AVERROR(ENOMEM);
} else {
ThreadData td;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
av_frame_copy_props(out, in);
s->displace(s, in, xpic, ypic, out);
td.in = in;
td.xin = xin;
td.yin = yin;
td.out = out;
ff_filter_execute(ctx, s->displace_slice, &td, NULL,
FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
}
out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
@ -276,9 +298,9 @@ static int config_input(AVFilterLink *inlink)
s->nb_components = desc->nb_components;
if (s->nb_planes > 1 || s->nb_components == 1)
s->displace = displace_planar;
s->displace_slice = displace_planar;
else
s->displace = displace_packed;
s->displace_slice = displace_packed;
if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) {
s->blank[1] = s->blank[2] = 128;
@ -398,5 +420,6 @@ const AVFilter ff_vf_displace = {
FILTER_OUTPUTS(displace_outputs),
FILTER_PIXFMTS_ARRAY(pix_fmts),
.priv_class = &displace_class,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
};