generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "Inlining decode_atom, decode_sb_intra, and decode_sb."

Browse Source
This commit is contained in:
Dmitry Kovalev 2013-07-01 14:58:06 -07:00 committed by Gerrit Code Review
commit 33fffc155e
1 changed files with 29 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
vp9/decoder/vp9_decodframe.c
View File

@ -185,48 +185,6 @@ static int decode_tokens(VP9D_COMP *pbi, BLOCK_SIZE_TYPE bsize, vp9_reader *r) {
}
}
static void decode_atom(VP9D_COMP *pbi, int mi_row, int mi_col,
vp9_reader *r) {
BLOCK_SIZE_TYPE bsize = BLOCK_SIZE_SB8X8;
MACROBLOCKD *const xd = &pbi->mb;
MB_MODE_INFO *const mbmi = &xd->mode_info_context->mbmi;
assert(mbmi->ref_frame[0] != INTRA_FRAME);
vp9_setup_interp_filters(xd, mbmi->interp_filter, &pbi->common);
vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize);
if (decode_tokens(pbi, bsize, r) >= 0)
foreach_transformed_block(xd, bsize, decode_block, xd);
}
static void decode_sb_intra(VP9D_COMP *pbi, int mi_row, int mi_col,
vp9_reader *r, BLOCK_SIZE_TYPE bsize) {
MACROBLOCKD *const xd = &pbi->mb;
decode_tokens(pbi, bsize, r);
foreach_transformed_block(xd, bsize, decode_block_intra, xd);
}
static void decode_sb(VP9D_COMP *pbi, int mi_row, int mi_col, vp9_reader *r,
BLOCK_SIZE_TYPE bsize) {
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
MODE_INFO *const mi = xd->mode_info_context;
MB_MODE_INFO *const mbmi = &mi->mbmi;
int eobtotal;
assert(mbmi->sb_type == bsize);
assert(mbmi->ref_frame[0] != INTRA_FRAME);
vp9_setup_interp_filters(xd, mbmi->interp_filter, cm);
vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize);
eobtotal = decode_tokens(pbi, bsize, r);
if (eobtotal == 0) {
vp9_set_pred_flag(xd, bsize, PRED_MBSKIP, 1); // skip loopfilter
} else if (eobtotal > 0) {
foreach_transformed_block(xd, bsize, decode_block, xd);
}
}
static void set_offsets(VP9D_COMP *pbi, BLOCK_SIZE_TYPE bsize,
int mi_row, int mi_col) {
VP9_COMMON *const cm = &pbi->common;
@ -287,24 +245,45 @@ static void set_refs(VP9D_COMP *pbi, int mi_row, int mi_col) {
static void decode_modes_b(VP9D_COMP *pbi, int mi_row, int mi_col,
vp9_reader *r, BLOCK_SIZE_TYPE bsize) {
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
const int less8x8 = bsize < BLOCK_SIZE_SB8X8;
MB_MODE_INFO *mbmi;
if (bsize < BLOCK_SIZE_SB8X8)
if (less8x8)
if (xd->ab_index > 0)
return;
set_offsets(pbi, bsize, mi_row, mi_col);
vp9_read_mode_info(pbi, mi_row, mi_col, r);
if (xd->mode_info_context->mbmi.ref_frame[0] == INTRA_FRAME) {
decode_sb_intra(pbi, mi_row, mi_col, r,
(bsize < BLOCK_SIZE_SB8X8) ? BLOCK_SIZE_SB8X8 : bsize);
if (less8x8)
bsize = BLOCK_SIZE_SB8X8;
// Has to be called after set_offsets
mbmi = &xd->mode_info_context->mbmi;
if (mbmi->ref_frame[0] == INTRA_FRAME) {
// Intra reconstruction
decode_tokens(pbi, bsize, r);
foreach_transformed_block(xd, bsize, decode_block_intra, xd);
} else {
// Inter reconstruction
int eobtotal;
set_refs(pbi, mi_row, mi_col);
if (bsize < BLOCK_SIZE_SB8X8)
decode_atom(pbi, mi_row, mi_col, r);
else
decode_sb(pbi, mi_row, mi_col, r, bsize);
vp9_setup_interp_filters(xd, mbmi->interp_filter, cm);
vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize);
eobtotal = decode_tokens(pbi, bsize, r);
if (less8x8) {
if (eobtotal >= 0)
foreach_transformed_block(xd, bsize, decode_block, xd);
} else {
assert(mbmi->sb_type == bsize);
if (eobtotal == 0)
vp9_set_pred_flag(xd, bsize, PRED_MBSKIP, 1); // skip loopfilter
else if (eobtotal > 0)
foreach_transformed_block(xd, bsize, decode_block, xd);
}
}
xd->corrupted |= vp9_reader_has_error(r);
}