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Add chroma to transform split search.

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This commit is contained in:
Ari Koivula 2014-10-01 12:31:10 +03:00
parent 51662e1081
commit 8a80845b91
2 changed files with 27 additions and 8 deletions
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2
src/intra.c
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@ -777,6 +777,6 @@ void intra_recon_lcu_chroma(encoder_state * const encoder_state, int x, int y, i
2);
}
quantize_lcu_chroma_residual(encoder_state, x, y, depth, NULL, lcu);
quantize_lcu_chroma_residual(encoder_state, x, y, depth, cur_cu, lcu);
}
}

33
src/search.c
View file

@ -931,11 +931,17 @@ static double search_intra_trdepth(encoder_state * const encoder_state,
lcu_t *const lcu)
{
const int width = LCU_WIDTH >> depth;
const int width_c = width > TR_MIN_WIDTH ? width / 2 : width;
const int offset = width / 2;
const vector2d lcu_px = { x_px & 0x3f, y_px & 0x3f };
cu_info *const tr_cu = &lcu->cu[LCU_CU_OFFSET + (lcu_px.x >> 3) + (lcu_px.y >> 3)*LCU_T_CU_WIDTH];
pixel nosplit_pixels[TR_MAX_WIDTH*TR_MAX_WIDTH];
struct {
pixel y[TR_MAX_WIDTH*TR_MAX_WIDTH];
pixel u[TR_MAX_WIDTH*TR_MAX_WIDTH];
pixel v[TR_MAX_WIDTH*TR_MAX_WIDTH];
} nosplit_pixels;
double split_cost = INT32_MAX;
double nosplit_cost = INT32_MAX;
@ -945,11 +951,16 @@ static double search_intra_trdepth(encoder_state * const encoder_state,
if (depth > 0) {
tr_cu->tr_depth = depth;
pred_cu->tr_depth = depth;
intra_recon_lcu_luma(encoder_state, x_px, y_px, depth, intra_mode, pred_cu, lcu);
nosplit_cost = cu_rd_cost_luma(encoder_state, lcu_px.x, lcu_px.y, depth, pred_cu, lcu);
// Clear cbf bits because they have been set by the reconstruction.
cbf_clear(&tr_cu->cbf.y, depth + PU_INDEX(x_px / 4, y_px / 4));
nosplit_cost = 0.0;
intra_recon_lcu_luma(encoder_state, x_px, y_px, depth, intra_mode, pred_cu, lcu);
nosplit_cost += cu_rd_cost_luma(encoder_state, lcu_px.x, lcu_px.y, depth, pred_cu, lcu);
if (PU_INDEX(x_px >> 2, y_px >> 2) == 0) {
intra_recon_lcu_chroma(encoder_state, x_px, y_px, depth, intra_mode, pred_cu, lcu);
nosplit_cost += cu_rd_cost_chroma(encoder_state, lcu_px.x, lcu_px.y, depth, pred_cu, lcu);
}
// Early stop codition for the recursive search.
// If the cost of any 1/4th of the transform is already larger than the
@ -958,7 +969,11 @@ static double search_intra_trdepth(encoder_state * const encoder_state,
return nosplit_cost;
}
pixels_blit(lcu->rec.y, nosplit_pixels, width, width, LCU_WIDTH, width);
pixels_blit(lcu->rec.y, nosplit_pixels.y, width, width, LCU_WIDTH, width);
if (PU_INDEX(x_px >> 2, y_px >> 2) == 0) {
pixels_blit(lcu->rec.u, nosplit_pixels.u, width_c, width_c, LCU_WIDTH_C, width_c);
pixels_blit(lcu->rec.v, nosplit_pixels.v, width_c, width_c, LCU_WIDTH_C, width_c);
}
}
if (depth < max_depth && depth < MAX_PU_DEPTH) {
@ -985,7 +1000,11 @@ static double search_intra_trdepth(encoder_state * const encoder_state,
// We only restore the pixel data and not coefficients or cbf data.
// The only thing we really need are the border pixels.
pixels_blit(nosplit_pixels, lcu->rec.y, width, width, width, LCU_WIDTH);
pixels_blit(nosplit_pixels.y, lcu->rec.y, width, width, width, LCU_WIDTH);
if (PU_INDEX(x_px >> 2, y_px >> 2) == 0) {
pixels_blit(nosplit_pixels.u, lcu->rec.u, width_c, width_c, width_c, LCU_WIDTH_C);
pixels_blit(nosplit_pixels.v, lcu->rec.v, width_c, width_c, width_c, LCU_WIDTH_C);
}
return nosplit_cost;
}