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Fix i4x4 mode reading and writing in sb8x8 bitstream.

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Don't allow i4x4 except for sb8x8 recursion step. Read only 4 (not 16)
i4x4 submodes if we are i4x4.

Change-Id: Iaaaced1a134006b2c96eed66f014300eae41e0ed
This commit is contained in:
Ronald S. Bultje 2013-05-02 13:00:33 -07:00
parent 06df1f82fb
commit e931dac733
3 changed files with 17 additions and 3 deletions
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9
vp9/decoder/vp9_decodemv.c
View File

@ -968,7 +968,12 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
// required for left and above block mv
mv0->as_int = 0;
if (mbmi->sb_type > BLOCK_SIZE_MB16X16) {
#if CONFIG_SB8X8
if (mbmi->sb_type > BLOCK_SIZE_SB8X8)
#else
if (mbmi->sb_type > BLOCK_SIZE_MB16X16)
#endif
{
mbmi->mode = read_sb_ymode(r, cm->fc.sb_ymode_prob);
cm->fc.sb_ymode_counts[mbmi->mode]++;
} else {
@ -986,7 +991,7 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
if (m == B_CONTEXT_PRED) m -= CONTEXT_PRED_REPLACEMENTS;
#endif
cm->fc.bmode_counts[m]++;
} while (++j < 16);
} while (++j < (16 >> (2 * CONFIG_SB8X8)));
}
#if !CONFIG_SB8X8

4
vp9/encoder/vp9_bitstream.c
View File

@ -722,7 +722,11 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
active_section = 6;
#endif
#if CONFIG_SB8X8
if (m->mbmi.sb_type > BLOCK_SIZE_SB8X8)
#else
if (m->mbmi.sb_type > BLOCK_SIZE_MB16X16)
#endif
write_sb_ymode(bc, mode, pc->fc.sb_ymode_prob);
else
write_ymode(bc, mode, pc->fc.ymode_prob);

7
vp9/encoder/vp9_encodeframe.c
View File

@ -2073,7 +2073,12 @@ static void sum_intra_stats(VP9_COMP *cpi, MACROBLOCK *x) {
#endif
#endif
if (xd->mode_info_context->mbmi.sb_type > BLOCK_SIZE_MB16X16) {
#if CONFIG_SB8X8
if (xd->mode_info_context->mbmi.sb_type > BLOCK_SIZE_SB8X8)
#else
if (xd->mode_info_context->mbmi.sb_type > BLOCK_SIZE_MB16X16)
#endif
{
++cpi->sb_ymode_count[m];
} else {
++cpi->ymode_count[m];