mozilla
/
aom
зеркало из
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Merge "Add encoding option --static-thresh"

This commit is contained in:
Yunqing Wang 2013-07-25 14:58:00 -07:00 коммит произвёл Gerrit Code Review
Родитель d53fc9ee4e d36852b702
Коммит 845fd5011c
2 изменённых файлов: 76 добавлений и 42 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

3
vp9/encoder/vp9_encodeframe.c
Просмотреть файл

@ -537,8 +537,11 @@ static void set_offsets(VP9_COMP *cpi, int mi_row, int mi_col,
cpi->seg0_progress = ((y * mb_cols + x * 4 + p32 + p16 + tile_progress)
<< 16) / cm->MBs;
}
x->encode_breakout = cpi->segment_encode_breakout[mbmi->segment_id];
} else {
mbmi->segment_id = 0;
x->encode_breakout = cpi->oxcf.encode_breakout;
}
}

115
vp9/encoder/vp9_rdopt.c
Просмотреть файл

@ -3035,53 +3035,84 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
if (cpi->common.mcomp_filter_type == SWITCHABLE)
*rate2 += get_switchable_rate(cm, x);
if (cpi->active_map_enabled && x->active_ptr[0] == 0)
x->skip = 1;
else if (x->encode_breakout) {
const BLOCK_SIZE_TYPE y_size = get_plane_block_size(bsize, &xd->plane[0]);
const BLOCK_SIZE_TYPE uv_size = get_plane_block_size(bsize, &xd->plane[1]);
if (!is_comp_pred) {
if (cpi->active_map_enabled && x->active_ptr[0] == 0)
x->skip = 1;
else if (x->encode_breakout) {
const BLOCK_SIZE_TYPE y_size = get_plane_block_size(bsize, &xd->plane[0]);
const BLOCK_SIZE_TYPE uv_size = get_plane_block_size(bsize,
&xd->plane[1]);
unsigned int var, sse;
// Skipping threshold for ac.
unsigned int thresh_ac;
// The encode_breakout input
unsigned int encode_breakout = x->encode_breakout << 4;
unsigned int var, sse;
int threshold = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1] >> 4);
// Adjust threshold according to dequant value. Making threshold more
// strict when dequant is high to avoid big PSNR loss.
if (xd->plane[0].dequant[1] < 32)
// Initial threshold value
thresh_ac = xd->plane[0].dequant[1] * xd->plane[0].dequant[1];
else
thresh_ac = (xd->plane[0].dequant[1] << 6) - 1024;
if (thresh_ac > 36000)
thresh_ac = 36000;
if (threshold < x->encode_breakout)
threshold = x->encode_breakout;
// Use encode_breakout input if it is bigger than internal threshold.
if (thresh_ac < encode_breakout)
thresh_ac = encode_breakout;
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);
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 ((int)sse < threshold) {
unsigned int q2dc = xd->plane[0].dequant[0];
// If there is no codeable 2nd order dc
// or a very small uniform pixel change change
if ((sse - var < q2dc * q2dc >> 4) ||
(sse / 2 > var && sse - var < 64)) {
// Check u and v to make sure skip is ok
int sse2;
unsigned int sse2u, sse2v;
var = 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, &sse2u);
var = 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, &sse2v);
sse2 = sse2u + sse2v;
// Adjust threshold according to partition size.
thresh_ac >>= 8 - (b_width_log2_lookup[bsize] +
b_height_log2_lookup[bsize]);
if (sse2 * 2 < threshold) {
x->skip = 1;
*distortion = sse + sse2;
*rate2 = 500;
// Y skipping condition checking
if (sse < thresh_ac || sse == 0) {
// Skipping threshold for dc
unsigned int thresh_dc;
// for best yrd calculation
*rate_uv = 0;
*distortion_uv = sse2;
thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6);
*disable_skip = 1;
this_rd = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion);
// 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;
*rate2 = 500;
*rate_uv = 0;
// 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);
}
}
}
}
}
@ -3330,6 +3361,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
for (i = 0; i < NB_TXFM_MODES; ++i)
txfm_cache[i] = INT64_MAX;
x->skip = 0;
this_mode = vp9_mode_order[mode_index].mode;
ref_frame = vp9_mode_order[mode_index].ref_frame;
second_ref_frame = vp9_mode_order[mode_index].second_ref_frame;
@ -3356,8 +3388,6 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
vp9_segfeature_active(&xd->seg, segment_id, SEG_LVL_REF_FRAME))
continue;
x->skip = 0;
// Skip some checking based on small partitions' result.
if (x->fast_ms > 1 && !ref_frame)
continue;
@ -3976,9 +4006,10 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
if (early_term)
break;
if (x->skip && !mode_excluded)
if (x->skip && !comp_pred)
break;
}
if (best_rd >= best_rd_so_far)
return INT64_MAX;