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Merge loop over all macroblock modes into encode_sb_row().

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Rename pick_mb_modes to pick_mb_mode, since it now handles only a
single macroblock. This is consistent with pick_sb_mode handling a
single non-macroblock.

Change-Id: I896fdfa06436b2d8c24d6474718cc74420df6b3b
This commit is contained in:
Ronald S. Bultje
2013-04-11 15:56:39 -07:00
parent 340bc46f49
commit d415d28717
1 changed files with 73 additions and 96 deletions
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169
vp9/encoder/vp9_encodeframe.c
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@@ -710,115 +710,65 @@ static void set_offsets(VP9_COMP *cpi,
}
static int pick_mb_modes(VP9_COMP *cpi,
int mb_row0,
int mb_col0,
int mb_row,
int mb_col,
TOKENEXTRA **tp,
int *totalrate,
int *totaldist) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
int i;
int splitmodes_used = 0;
ENTROPY_CONTEXT_PLANES left_context[2];
ENTROPY_CONTEXT_PLANES above_context[2];
ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
+ mb_col0;
MB_MODE_INFO *mbmi;
/* Function should not modify L & A contexts; save and restore on exit */
vpx_memcpy(left_context,
cm->left_context + (mb_row0 & 2),
sizeof(left_context));
vpx_memcpy(above_context,
initial_above_context_ptr,
sizeof(above_context));
set_offsets(cpi, mb_row, mb_col, BLOCK_SIZE_MB16X16);
/* Encode MBs in raster order within the SB */
for (i = 0; i < 4; i++) {
const int x_idx = i & 1, y_idx = i >> 1;
const int mb_row = mb_row0 + y_idx;
const int mb_col = mb_col0 + x_idx;
MB_MODE_INFO *mbmi;
if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
vp9_activity_masking(cpi, x);
if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
// MB lies outside frame, move on
continue;
mbmi = &xd->mode_info_context->mbmi;
mbmi->sb_type = BLOCK_SIZE_MB16X16;
// Find best coding mode & reconstruct the MB so it is available
// as a predictor for MBs that follow in the SB
if (cm->frame_type == KEY_FRAME) {
vp9_rd_pick_intra_mode(cpi, x, totalrate, totaldist);
// Save the coding context
vpx_memcpy(&x->mb_context[xd->sb_index][xd->mb_index].mic,
xd->mode_info_context, sizeof(MODE_INFO));
// Dummy encode, do not do the tokenization
encode_macroblock(cpi, tp, 0, mb_row, mb_col);
} else {
int seg_id;
vp9_pick_mode_inter_macroblock(cpi, x, mb_row, mb_col,
totalrate, totaldist);
splitmodes_used += (mbmi->mode == SPLITMV);
// Dummy encode, do not do the tokenization
encode_macroblock(cpi, tp, 0, mb_row, mb_col);
seg_id = mbmi->segment_id;
if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
cpi->seg0_idx++;
}
if (!xd->segmentation_enabled ||
!vp9_segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
vp9_check_segref(xd, seg_id, INTRA_FRAME) +
vp9_check_segref(xd, seg_id, LAST_FRAME) +
vp9_check_segref(xd, seg_id, GOLDEN_FRAME) +
vp9_check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
// Get the prediction context and status
int pred_flag = vp9_get_pred_flag(xd, PRED_REF);
int pred_context = vp9_get_pred_context(cm, xd, PRED_REF);
// Index of the MB in the SB 0..3
xd->mb_index = i;
set_offsets(cpi, mb_row, mb_col, BLOCK_SIZE_MB16X16);
if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
vp9_activity_masking(cpi, x);
mbmi = &xd->mode_info_context->mbmi;
mbmi->sb_type = BLOCK_SIZE_MB16X16;
// Find best coding mode & reconstruct the MB so it is available
// as a predictor for MBs that follow in the SB
if (cm->frame_type == KEY_FRAME) {
int r, d;
#if 0 // ENC_DEBUG
if (enc_debug)
printf("intra pick_mb_modes %d %d\n", mb_row, mb_col);
#endif
vp9_rd_pick_intra_mode(cpi, x, &r, &d);
*totalrate += r;
*totaldist += d;
// Dummy encode, do not do the tokenization
encode_macroblock(cpi, tp, 0, mb_row, mb_col);
// Note the encoder may have changed the segment_id
// Save the coding context
vpx_memcpy(&x->mb_context[xd->sb_index][i].mic, xd->mode_info_context,
sizeof(MODE_INFO));
} else {
int seg_id, r, d;
#if 0 // ENC_DEBUG
if (enc_debug)
printf("inter pick_mb_modes %d %d\n", mb_row, mb_col);
#endif
vp9_pick_mode_inter_macroblock(cpi, x, mb_row, mb_col, &r, &d);
*totalrate += r;
*totaldist += d;
splitmodes_used += (mbmi->mode == SPLITMV);
// Dummy encode, do not do the tokenization
encode_macroblock(cpi, tp, 0, mb_row, mb_col);
seg_id = mbmi->segment_id;
if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
cpi->seg0_idx++;
}
if (!xd->segmentation_enabled ||
!vp9_segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
vp9_check_segref(xd, seg_id, INTRA_FRAME) +
vp9_check_segref(xd, seg_id, LAST_FRAME) +
vp9_check_segref(xd, seg_id, GOLDEN_FRAME) +
vp9_check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
// Get the prediction context and status
int pred_flag = vp9_get_pred_flag(xd, PRED_REF);
int pred_context = vp9_get_pred_context(cm, xd, PRED_REF);
// Count prediction success
cpi->ref_pred_count[pred_context][pred_flag]++;
}
// Count prediction success
cpi->ref_pred_count[pred_context][pred_flag]++;
}
}
/* Restore L & A coding context to those in place on entry */
vpx_memcpy(cm->left_context + (mb_row0 & 2),
left_context,
sizeof(left_context));
vpx_memcpy(initial_above_context_ptr,
above_context,
sizeof(above_context));
return splitmodes_used;
}
@@ -1038,14 +988,41 @@ static void encode_sb_row(VP9_COMP *cpi,
int sb_rate = INT_MAX, sb_dist;
int splitmodes_used = 0;
int sb32_skip = 0;
int j;
ENTROPY_CONTEXT_PLANES l2[2], a2[2];
if (mb_row + y_idx >= cm->mb_rows || mb_col + x_idx >= cm->mb_cols)
continue;
xd->sb_index = i;
splitmodes_used = pick_mb_modes(cpi, mb_row + y_idx, mb_col + x_idx,
tp, &mb_rate, &mb_dist);
/* Function should not modify L & A contexts; save and restore on exit */
vpx_memcpy(l2, cm->left_context + y_idx, sizeof(l2));
vpx_memcpy(a2, cm->above_context + mb_col + x_idx, sizeof(a2));
/* Encode MBs in raster order within the SB */
for (j = 0; j < 4; j++) {
const int x_idx_m = x_idx + (j & 1), y_idx_m = y_idx + (j >> 1);
int r, d;
if (mb_row + y_idx_m >= cm->mb_rows ||
mb_col + x_idx_m >= cm->mb_cols) {
// MB lies outside frame, move on
continue;
}
// Index of the MB in the SB 0..3
xd->mb_index = j;
splitmodes_used += pick_mb_modes(cpi, mb_row + y_idx_m,
mb_col + x_idx_m, tp, &r, &d);
mb_rate += r;
mb_dist += d;
}
/* Restore L & A coding context to those in place on entry */
vpx_memcpy(cm->left_context + y_idx, l2, sizeof(l2));
vpx_memcpy(cm->above_context + mb_col + x_idx, a2, sizeof(a2));
mb_rate += vp9_cost_bit(cm->prob_sb32_coded, 0);