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Calculating dst pointer only once per transform block.

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Change-Id: I23fea0a2e85be8373600e3e2dae98d36acde389c
This commit is contained in:
Dmitry Kovalev 2013-11-18 18:37:53 -08:00
parent 220af9ac2c
commit b5c4520101
1 changed files with 6 additions and 7 deletions
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13
vp9/decoder/vp9_decodeframe.c
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@ -241,16 +241,13 @@ static void alloc_tile_storage(VP9D_COMP *pbi, int tile_rows, int tile_cols) {
}
static void inverse_transform_block(MACROBLOCKD* xd, int plane, int block,
TX_SIZE tx_size, int x, int y) {
TX_SIZE tx_size, uint8_t *dst, int stride) {
struct macroblockd_plane *const pd = &xd->plane[plane];
const int eob = pd->eobs[block];
if (eob > 0) {
TX_TYPE tx_type;
const int plane_type = pd->plane_type;
const int stride = pd->dst.stride;
int16_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint8_t *const dst = &pd->dst.buf[4 * y * stride + 4 * x];
switch (tx_size) {
case TX_4X4:
tx_type = get_tx_type_4x4(plane_type, xd, block);
@ -322,7 +319,7 @@ static void predict_and_reconstruct_intra_block(int plane, int block,
if (!mi->mbmi.skip_coeff) {
vp9_decode_block_tokens(cm, xd, plane, block, plane_bsize, x, y, tx_size,
args->r, args->token_cache);
inverse_transform_block(xd, plane, block, tx_size, x, y);
inverse_transform_block(xd, plane, block, tx_size, dst, pd->dst.stride);
}
}
@ -340,13 +337,15 @@ static void reconstruct_inter_block(int plane, int block,
struct inter_args *args = arg;
VP9_COMMON *const cm = args->cm;
MACROBLOCKD *const xd = args->xd;
struct macroblockd_plane *const pd = &xd->plane[plane];
int x, y;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &x, &y);
*args->eobtotal += vp9_decode_block_tokens(cm, xd, plane, block,
plane_bsize, x, y, tx_size,
args->r, args->token_cache);
inverse_transform_block(xd, plane, block, tx_size, x, y);
inverse_transform_block(xd, plane, block, tx_size,
&pd->dst.buf[4 * y * pd->dst.stride + 4 * x],
pd->dst.stride);
}
static void set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,