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avfilter/vf_lut2: add slice threading

This commit is contained in:
Paul B Mahol 2019-06-09 14:07:00 +02:00
parent b6ca032ade
commit a9bf656577
1 changed files with 37 additions and 13 deletions
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50
libavfilter/vf_lut2.c
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@ -70,10 +70,13 @@ typedef struct LUT2Context {
int tlut2;
AVFrame *prev_frame; /* only used with tlut2 */
void (*lut2)(struct LUT2Context *s, AVFrame *dst, AVFrame *srcx, AVFrame *srcy);
int (*lut2)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} LUT2Context;
typedef struct ThreadData {
AVFrame *out, *srcx, *srcy;
} ThreadData;
#define OFFSET(x) offsetof(LUT2Context, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
@ -238,24 +241,31 @@ static int config_inputy(AVFilterLink *inlink)
}
#define DEFINE_LUT2(zname, xname, yname, ztype, xtype, ytype, zdiv, xdiv, ydiv) \
static void lut2_##zname##_##xname##_##yname(struct LUT2Context *s, \
AVFrame *out, \
AVFrame *srcx, AVFrame *srcy) \
static int lut2_##zname##_##xname##_##yname(AVFilterContext *ctx, \
void *arg, \
int jobnr, int nb_jobs) \
{ \
LUT2Context *s = ctx->priv; \
ThreadData *td = arg; \
AVFrame *out = td->out; \
AVFrame *srcx = td->srcx; \
AVFrame *srcy = td->srcy; \
const int odepth = s->odepth; \
int p, y, x; \
\
for (p = 0; p < s->nb_planes; p++) { \
const int slice_start = (s->heightx[p] * jobnr) / nb_jobs; \
const int slice_end = (s->heightx[p] * (jobnr+1)) / nb_jobs; \
const uint16_t *lut = s->lut[p]; \
const xtype *srcxx; \
const ytype *srcyy; \
ztype *dst; \
\
dst = (ztype *)out->data[p]; \
srcxx = (const xtype *)srcx->data[p]; \
srcyy = (const ytype *)srcy->data[p]; \
dst = (ztype *)(out->data[p] + slice_start * out->linesize[p]); \
srcxx = (const xtype *)(srcx->data[p] + slice_start * srcx->linesize[p]);\
srcyy = (const ytype *)(srcy->data[p] + slice_start * srcy->linesize[p]);\
\
for (y = 0; y < s->heightx[p]; y++) { \
for (y = slice_start; y < slice_end; y++) { \
for (x = 0; x < s->widthx[p]; x++) { \
dst[x] = av_clip_uintp2_c(lut[(srcyy[x] << s->depthx) | srcxx[x]], odepth); \
} \
@ -265,6 +275,7 @@ static void lut2_##zname##_##xname##_##yname(struct LUT2Context *s,
srcyy += srcy->linesize[p] / ydiv; \
} \
} \
return 0; \
}
DEFINE_LUT2(8, 8, 8, uint8_t, uint8_t, uint8_t, 1, 1, 1)
@ -293,12 +304,17 @@ 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, srcx);
s->lut2(s, out, srcx, srcy);
td.out = out;
td.srcx = srcx;
td.srcy = srcy;
ctx->internal->execute(ctx, s->lut2, &td, NULL, FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
}
out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
@ -538,7 +554,8 @@ AVFilter ff_vf_lut2 = {
.activate = activate,
.inputs = inputs,
.outputs = outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
};
#if CONFIG_TLUT2_FILTER
@ -564,6 +581,8 @@ static int tlut2_filter_frame(AVFilterLink *inlink, AVFrame *frame)
if (ctx->is_disabled) {
out = av_frame_clone(frame);
} else {
ThreadData td;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&s->prev_frame);
@ -572,7 +591,11 @@ static int tlut2_filter_frame(AVFilterLink *inlink, AVFrame *frame)
}
av_frame_copy_props(out, frame);
s->lut2(s, out, frame, s->prev_frame);
td.out = out;
td.srcx = frame;
td.srcy = s->prev_frame;
ctx->internal->execute(ctx, s->lut2, &td, NULL, FFMIN(s->heightx[1], ff_filter_get_nb_threads(ctx)));
}
av_frame_free(&s->prev_frame);
s->prev_frame = frame;
@ -621,7 +644,8 @@ AVFilter ff_vf_tlut2 = {
.uninit = uninit,
.inputs = tlut2_inputs,
.outputs = tlut2_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
};
#endif