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Code Issues Releases Activity

avfilter/vf_v360: add slice threading to remap calculation

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This commit is contained in:
Paul B Mahol 2019-09-16 18:41:51 +02:00
parent 05ffaa252e
commit 6f4ec4d909
1 changed files with 7 additions and 3 deletions
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10
libavfilter/vf_v360.c
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@ -2162,7 +2162,7 @@ static void set_dimensions(int *outw, int *outh, int w, int h, const AVPixFmtDes
}
// Calculate remap data
static av_always_inline void v360_filter(AVFilterContext *ctx)
static av_always_inline int v360_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
V360Context *s = ctx->priv;
@ -2172,11 +2172,13 @@ static av_always_inline void v360_filter(AVFilterContext *ctx)
const int height = s->pr_height[p];
const int in_width = s->inplanewidth[p];
const int in_height = s->inplaneheight[p];
const int slice_start = (height * jobnr ) / nb_jobs;
const int slice_end = (height * (jobnr + 1)) / nb_jobs;
float du, dv;
float vec[3];
XYRemap rmap;
for (int j = 0; j < height; j++) {
for (int j = slice_start; j < slice_end; j++) {
for (int i = 0; i < width; i++) {
uint16_t *u = s->u[p] + (j * uv_linesize + i) * s->elements;
uint16_t *v = s->v[p] + (j * uv_linesize + i) * s->elements;
@ -2200,6 +2202,8 @@ static av_always_inline void v360_filter(AVFilterContext *ctx)
}
}
}
return 0;
}
static int config_output(AVFilterLink *outlink)
@ -2493,7 +2497,7 @@ static int config_output(AVFilterLink *outlink)
calculate_rotation_matrix(s->yaw, s->pitch, s->roll, s->rot_mat, s->rotation_order);
set_mirror_modifier(s->h_flip, s->v_flip, s->d_flip, s->output_mirror_modifier);
v360_filter(ctx);
ctx->internal->execute(ctx, v360_slice, NULL, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
return 0;
}