Commit ee380cc5 authored by Marco's avatar Marco

vp8: modifcatiion to skin map computation.

For each block in pickinter: use average of four middle
pixels (instead of single pixel) to set skin map.
This can help a little in reducing false skin detection in
some cases.

Change-Id: Ic247af75e9c2948b08ab977a39e061adacd8ec97
parent f1d090e2
......@@ -813,9 +813,18 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
// Check if current macroblock is in skin area.
{
const int y = x->src.y_buffer[7 * x->src.y_stride + 7];
const int cb = x->src.u_buffer[3 * x->src.uv_stride + 3];
const int cr = x->src.v_buffer[3 * x->src.uv_stride + 3];
const int y = (x->src.y_buffer[7 * x->src.y_stride + 7] +
x->src.y_buffer[7 * x->src.y_stride + 8] +
x->src.y_buffer[8 * x->src.y_stride + 7] +
x->src.y_buffer[8 * x->src.y_stride + 8]) >> 2;
const int cb = (x->src.u_buffer[3 * x->src.uv_stride + 3] +
x->src.u_buffer[3 * x->src.uv_stride + 4] +
x->src.u_buffer[4 * x->src.uv_stride + 3] +
x->src.u_buffer[4 * x->src.uv_stride + 4]) >> 2;
const int cr = (x->src.v_buffer[3 * x->src.uv_stride + 3] +
x->src.v_buffer[3 * x->src.uv_stride + 4] +
x->src.v_buffer[4 * x->src.uv_stride + 3] +
x->src.v_buffer[4 * x->src.uv_stride + 4]) >> 2;
x->is_skin = 0;
if (!cpi->oxcf.screen_content_mode)
x->is_skin = is_skin_color(y, cb, cr);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment