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Force interleaved decoding

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Rather than decoding all modes/mvs separately, decode them per MB. This
forces the mode which was already used form the CONFIG_NEWBESTREFMV and
CONFIG_SUPERBLOCKS experiments, and is a precursor to changing to
interleaved encoding.

Change-Id: If19ee74ac8a987846d1cd0cf2b2e02a82f1a43ad
This commit is contained in:
John Koleszar 2012-10-16 14:08:40 -07:00
parent 9443f05e6b
commit c073e5ca96
5 changed files with 3 additions and 98 deletions
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85
vp8/decoder/decodemv.c
View File

@ -1302,91 +1302,6 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
}
}
void vp8_decode_mode_mvs(VP8D_COMP *pbi) {
int i;
VP8_COMMON *cm = &pbi->common;
MODE_INFO *mi = cm->mi;
MACROBLOCKD *const xd = &pbi->mb;
int sb_row, sb_col;
int sb_rows = (cm->mb_rows + 1) >> 1;
int sb_cols = (cm->mb_cols + 1) >> 1;
int row_delta[4] = { 0, +1, 0, -1};
int col_delta[4] = { +1, -1, +1, +1};
MODE_INFO *prev_mi = cm->prev_mi;
mb_mode_mv_init(pbi);
if (cm->frame_type == KEY_FRAME && !cm->kf_ymode_probs_update) {
cm->kf_ymode_probs_index = vp8_read_literal(&pbi->bc, 3);
}
for (sb_row = 0; sb_row < sb_rows; sb_row++) {
int mb_col = 0;
int mb_row = (sb_row << 1);
for (sb_col = 0; sb_col < sb_cols; sb_col++) {
#if CONFIG_SUPERBLOCKS
mi->mbmi.encoded_as_sb = vp8_read(&pbi->bc, cm->sb_coded);
#endif
for (i = 0; i < 4; i++) {
int dy = row_delta[i];
int dx = col_delta[i];
int offset_extended = dy * cm->mode_info_stride + dx;
if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
/* next macroblock */
mb_row += dy;
mb_col += dx;
mi += offset_extended;
prev_mi += offset_extended;
continue;
}
#if CONFIG_SUPERBLOCKS
if (i)
mi->mbmi.encoded_as_sb = 0;
#endif
// Make sure the MacroBlockD mode info pointer is set correctly
xd->mode_info_context = mi;
xd->prev_mode_info_context = prev_mi;
pbi->mb.mb_to_top_edge = -((mb_row * 16)) << 3;
pbi->mb.mb_to_bottom_edge =
((pbi->common.mb_rows - 1 - mb_row) * 16) << 3;
if (cm->frame_type == KEY_FRAME)
vp8_kfread_modes(pbi, mi, mb_row, mb_col);
else
read_mb_modes_mv(pbi, mi, &mi->mbmi, prev_mi, mb_row,
mb_col);
#if CONFIG_SUPERBLOCKS
if (mi->mbmi.encoded_as_sb) {
assert(!i);
mb_col += 2;
mi[1] = mi[cm->mode_info_stride] =
mi[cm->mode_info_stride + 1] = mi[0];
mi += 2;
prev_mi += 2;
break;
}
#endif
/* next macroblock */
mb_row += dy;
mb_col += dx;
mi += offset_extended;
prev_mi += offset_extended;
}
}
mi += cm->mode_info_stride + (1 - (cm->mb_cols & 0x1));
prev_mi += cm->mode_info_stride + (1 - (cm->mb_cols & 0x1));
}
}
void vpx_decode_mode_mvs_init(VP8D_COMP *pbi){
VP8_COMMON *cm = &pbi->common;
mb_mode_mv_init(pbi);

1
vp8/decoder/decodemv.h
View File

@ -11,7 +11,6 @@
#include "onyxd_int.h"
void vp8_decode_mode_mvs(VP8D_COMP *);
void vpx_decode_mb_mode_mv(VP8D_COMP *pbi,
MACROBLOCKD *xd,
int mb_row,

11
vp8/decoder/decodframe.c
View File

@ -635,8 +635,7 @@ decode_sb_row(VP8D_COMP *pbi, VP8_COMMON *pc, int mbrow, MACROBLOCKD *xd) {
MODE_INFO *mi = xd->mode_info_context;
#if CONFIG_SUPERBLOCKS
if (pbi->interleaved_decoding)
mi->mbmi.encoded_as_sb = vp8_read(&pbi->bc, pc->sb_coded);
mi->mbmi.encoded_as_sb = vp8_read(&pbi->bc, pc->sb_coded);
#endif
// Process the 4 MBs within the SB in the order:
@ -685,8 +684,7 @@ decode_sb_row(VP8D_COMP *pbi, VP8_COMMON *pc, int mbrow, MACROBLOCKD *xd) {
if (i)
mi->mbmi.encoded_as_sb = 0;
#endif
if(pbi->interleaved_decoding)
vpx_decode_mb_mode_mv(pbi, xd, mb_row, mb_col);
vpx_decode_mb_mode_mv(pbi, xd, mb_row, mb_col);
update_blockd_bmi(xd);
@ -1510,10 +1508,7 @@ int vp8_decode_frame(VP8D_COMP *pbi) {
/* Read the mb_no_coeff_skip flag */
pc->mb_no_coeff_skip = (int)vp8_read_bit(bc);
if(pbi->interleaved_decoding)
vpx_decode_mode_mvs_init(pbi);
else
vp8_decode_mode_mvs(pbi);
vpx_decode_mode_mvs_init(pbi);
vpx_memset(pc->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) * pc->mb_cols);

2
vp8/decoder/onyxd_if.c
View File

@ -149,8 +149,6 @@ VP8D_PTR vp8dx_create_decompressor(VP8D_CONFIG *oxcf) {
pbi->decoded_key_frame = 0;
pbi->interleaved_decoding = CONFIG_NEWBESTREFMV || CONFIG_SUPERBLOCKS;
return (VP8D_PTR) pbi;
}

2
vp8/decoder/onyxd_int.h
View File

@ -82,8 +82,6 @@ typedef struct VP8Decompressor {
int decoded_key_frame;
int interleaved_decoding;
} VP8D_COMP;
int vp8_decode_frame(VP8D_COMP *cpi);