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Code cleanup in rdopt.c

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Moved encode_breakout code out of handle_inter_mode().

Change-Id: Icd661136b05fdf163768c406f91e0c98a8df89eb
This commit is contained in:
Yunqing Wang
2014-07-31 09:55:40 -07:00
parent 6865af6378
commit 678d747259
1 changed files with 84 additions and 75 deletions
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159
vp9/encoder/vp9_rdopt.c
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@@ -1988,6 +1988,87 @@ static INLINE void restore_dst_buf(MACROBLOCKD *xd,
}
}
static void rd_encode_breakout_test(VP9_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, int *rate2,
int64_t *distortion, int64_t *distortion_uv,
int *disable_skip, int64_t this_rd) {
VP9_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
const BLOCK_SIZE y_size = get_plane_block_size(bsize, &xd->plane[0]);
const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]);
unsigned int var, sse;
// Skipping threshold for ac.
unsigned int thresh_ac;
// Skipping threshold for dc
unsigned int thresh_dc;
var = cpi->fn_ptr[y_size].vf(x->plane[0].src.buf, x->plane[0].src.stride,
xd->plane[0].dst.buf,
xd->plane[0].dst.stride, &sse);
if (x->encode_breakout > 0) {
// Set a maximum for threshold to avoid big PSNR loss in low bitrate
// case. Use extreme low threshold for static frames to limit skipping.
const unsigned int max_thresh = (cpi->allow_encode_breakout ==
ENCODE_BREAKOUT_LIMITED) ? 128 : 36000;
// The encode_breakout input
const unsigned int min_thresh =
MIN(((unsigned int)x->encode_breakout << 4), max_thresh);
// Calculate threshold according to dequant value.
thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) / 9;
thresh_ac = clamp(thresh_ac, min_thresh, max_thresh);
// Adjust threshold according to partition size.
thresh_ac >>= 8 - (b_width_log2(bsize) +
b_height_log2(bsize));
thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6);
} else {
thresh_ac = 0;
thresh_dc = 0;
}
// Y skipping condition checking
if (sse < thresh_ac || sse == 0) {
// dc skipping checking
if ((sse - var) < thresh_dc || sse == var) {
unsigned int sse_u, sse_v;
unsigned int var_u, var_v;
var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf,
x->plane[1].src.stride,
xd->plane[1].dst.buf,
xd->plane[1].dst.stride, &sse_u);
// U skipping condition checking
if ((sse_u * 4 < thresh_ac || sse_u == 0) &&
(sse_u - var_u < thresh_dc || sse_u == var_u)) {
var_v = cpi->fn_ptr[uv_size].vf(x->plane[2].src.buf,
x->plane[2].src.stride,
xd->plane[2].dst.buf,
xd->plane[2].dst.stride, &sse_v);
// V skipping condition checking
if ((sse_v * 4 < thresh_ac || sse_v == 0) &&
(sse_v - var_v < thresh_dc || sse_v == var_v)) {
x->skip = 1;
// The cost of skip bit needs to be added.
*rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
// Scaling factor for SSE from spatial domain to frequency domain
// is 16. Adjust distortion accordingly.
*distortion_uv = (sse_u + sse_v) << 4;
*distortion = (sse << 4) + *distortion_uv;
*disable_skip = 1;
this_rd = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion);
}
}
}
}
}
static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize,
int64_t txfm_cache[],
@@ -2230,81 +2311,9 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
*rate2 += vp9_get_switchable_rate(cpi);
if (!is_comp_pred) {
if (cpi->allow_encode_breakout) {
const BLOCK_SIZE y_size = get_plane_block_size(bsize, &xd->plane[0]);
const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]);
unsigned int var, sse;
// Skipping threshold for ac.
unsigned int thresh_ac;
// Skipping threshold for dc
unsigned int thresh_dc;
var = cpi->fn_ptr[y_size].vf(x->plane[0].src.buf, x->plane[0].src.stride,
xd->plane[0].dst.buf,
xd->plane[0].dst.stride, &sse);
if (x->encode_breakout > 0) {
// Set a maximum for threshold to avoid big PSNR loss in low bitrate
// case. Use extreme low threshold for static frames to limit skipping.
const unsigned int max_thresh = (cpi->allow_encode_breakout ==
ENCODE_BREAKOUT_LIMITED) ? 128 : 36000;
// The encode_breakout input
const unsigned int min_thresh =
MIN(((unsigned int)x->encode_breakout << 4), max_thresh);
// Calculate threshold according to dequant value.
thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) / 9;
thresh_ac = clamp(thresh_ac, min_thresh, max_thresh);
// Adjust threshold according to partition size.
thresh_ac >>= 8 - (b_width_log2(bsize) +
b_height_log2(bsize));
thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6);
} else {
thresh_ac = 0;
thresh_dc = 0;
}
// Y skipping condition checking
if (sse < thresh_ac || sse == 0) {
// dc skipping checking
if ((sse - var) < thresh_dc || sse == var) {
unsigned int sse_u, sse_v;
unsigned int var_u, var_v;
var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf,
x->plane[1].src.stride,
xd->plane[1].dst.buf,
xd->plane[1].dst.stride, &sse_u);
// U skipping condition checking
if ((sse_u * 4 < thresh_ac || sse_u == 0) &&
(sse_u - var_u < thresh_dc || sse_u == var_u)) {
var_v = cpi->fn_ptr[uv_size].vf(x->plane[2].src.buf,
x->plane[2].src.stride,
xd->plane[2].dst.buf,
xd->plane[2].dst.stride, &sse_v);
// V skipping condition checking
if ((sse_v * 4 < thresh_ac || sse_v == 0) &&
(sse_v - var_v < thresh_dc || sse_v == var_v)) {
x->skip = 1;
// The cost of skip bit needs to be added.
*rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
// Scaling factor for SSE from spatial domain to frequency domain
// is 16. Adjust distortion accordingly.
*distortion_uv = (sse_u + sse_v) << 4;
*distortion = (sse << 4) + *distortion_uv;
*disable_skip = 1;
this_rd = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion);
}
}
}
}
}
if (cpi->allow_encode_breakout)
rd_encode_breakout_test(cpi, x, bsize, rate2, distortion, distortion_uv,
disable_skip, this_rd);
}
if (!x->skip) {