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lavfi/vf_scale: pass only the private context to scale_slice() 

Not the input link. The function does nothing with the link except
extract the private context from it.
This commit is contained in:
Anton Khirnov 2021-05-10 15:17:21 +02:00
parent f32f56468c
commit 6d51d65fb9
1 changed files with 5 additions and 6 deletions
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11
libavfilter/vf_scale.c
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@ -622,9 +622,8 @@ static int request_frame_ref(AVFilterLink *outlink)
return ff_request_frame(outlink->src->inputs[1]);
}
static int scale_slice(AVFilterLink *link, AVFrame *out_buf, AVFrame *cur_pic, struct SwsContext *sws, int y, int h, int mul, int field)
static int scale_slice(ScaleContext *scale, AVFrame *out_buf, AVFrame *cur_pic, struct SwsContext *sws, int y, int h, int mul, int field)
{
ScaleContext *scale = link->dst->priv;
const uint8_t *in[4];
uint8_t *out[4];
int in_stride[4],out_stride[4];
@ -792,8 +791,8 @@ scale:
INT_MAX);
if (scale->interlaced>0 || (scale->interlaced<0 && in->interlaced_frame)) {
scale_slice(link, out, in, scale->isws[0], 0, (link->h+1)/2, 2, 0);
scale_slice(link, out, in, scale->isws[1], 0, link->h /2, 2, 1);
scale_slice(scale, out, in, scale->isws[0], 0, (link->h+1)/2, 2, 0);
scale_slice(scale, out, in, scale->isws[1], 0, link->h /2, 2, 1);
} else if (scale->nb_slices) {
int i, slice_h, slice_start, slice_end = 0;
const int nb_slices = FFMIN(scale->nb_slices, link->h);
@ -801,10 +800,10 @@ scale:
slice_start = slice_end;
slice_end = (link->h * (i+1)) / nb_slices;
slice_h = slice_end - slice_start;
scale_slice(link, out, in, scale->sws, slice_start, slice_h, 1, 0);
scale_slice(scale, out, in, scale->sws, slice_start, slice_h, 1, 0);
}
} else {
scale_slice(link, out, in, scale->sws, 0, link->h, 1, 0);
scale_slice(scale, out, in, scale->sws, 0, link->h, 1, 0);
}
av_frame_free(&in);