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Code Issues Releases Activity

avfilter/vf_v360: refactor dimensions and offsets calculations

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This commit is contained in:
Paul B Mahol 2019-09-15 10:37:42 +02:00
parent 197985c5bf
commit 7f8f886344
1 changed files with 13 additions and 22 deletions
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35
libavfilter/vf_v360.c
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@ -2157,6 +2157,14 @@ static void fov_from_dfov(V360Context *s, float w, float h)
s->v_fov += 360.f;
}
static void set_dimensions(int *outw, int *outh, int w, int h, const AVPixFmtDescriptor *desc)
{
outw[1] = outw[2] = FF_CEIL_RSHIFT(w, desc->log2_chroma_w);
outw[0] = outw[3] = w;
outh[1] = outh[2] = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
outh[0] = outh[3] = h;
}
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
@ -2264,15 +2272,8 @@ static int config_output(AVFilterLink *outlink)
av_assert0(0);
}
s->inplaneheight[1] = s->inplaneheight[2] = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
s->inplaneheight[0] = s->inplaneheight[3] = h;
s->inplanewidth[1] = s->inplanewidth[2] = FF_CEIL_RSHIFT(w, desc->log2_chroma_w);
s->inplanewidth[0] = s->inplanewidth[3] = w;
s->in_offset_h[1] = s->in_offset_h[2] = FF_CEIL_RSHIFT(in_offset_h, desc->log2_chroma_h);
s->in_offset_h[0] = s->in_offset_h[3] = in_offset_h;
s->in_offset_w[1] = s->in_offset_w[2] = FF_CEIL_RSHIFT(in_offset_w, desc->log2_chroma_w);
s->in_offset_w[0] = s->in_offset_w[3] = in_offset_w;
set_dimensions(s->inplanewidth, s->inplaneheight, w, h, desc);
set_dimensions(s->in_offset_w, s->in_offset_h, in_offset_w, in_offset_h, desc);
switch (s->in) {
case EQUIRECTANGULAR:
@ -2419,10 +2420,7 @@ static int config_output(AVFilterLink *outlink)
return err;
}
s->pr_height[1] = s->pr_height[2] = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
s->pr_height[0] = s->pr_height[3] = h;
s->pr_width[1] = s->pr_width[2] = FF_CEIL_RSHIFT(w, desc->log2_chroma_w);
s->pr_width[0] = s->pr_width[3] = w;
set_dimensions(s->pr_width, s->pr_height, w, h, desc);
switch (s->out_stereo) {
case STEREO_2D:
@ -2442,15 +2440,8 @@ static int config_output(AVFilterLink *outlink)
av_assert0(0);
}
s->out_offset_h[1] = s->out_offset_h[2] = FF_CEIL_RSHIFT(out_offset_h, desc->log2_chroma_h);
s->out_offset_h[0] = s->out_offset_h[3] = out_offset_h;
s->out_offset_w[1] = s->out_offset_w[2] = FF_CEIL_RSHIFT(out_offset_w, desc->log2_chroma_w);
s->out_offset_w[0] = s->out_offset_w[3] = out_offset_w;
s->planeheight[1] = s->planeheight[2] = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
s->planeheight[0] = s->planeheight[3] = h;
s->planewidth[1] = s->planewidth[2] = FF_CEIL_RSHIFT(w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = w;
set_dimensions(s->out_offset_w, s->out_offset_h, out_offset_w, out_offset_h, desc);
set_dimensions(s->planewidth, s->planeheight, w, h, desc);
for (int i = 0; i < 4; i++)
s->uv_linesize[i] = FFALIGN(s->pr_width[i], 8);