generic-library/vpx
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Don't write 0's to token_cache

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This code only updates the token_cache if the result is non0.

Change-Id: Idcabd0b993a926fea9c29dbec134b9c5c4859b40
This commit is contained in:
Jim Bankoski 2013-11-21 12:52:15 -08:00
parent 5bbb0c6295
commit b38e42fe9d
2 changed files with 17 additions and 8 deletions
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22
vp9/decoder/vp9_decodeframe.c
View File

@ -241,7 +241,8 @@ 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, uint8_t *dst, int stride) {
TX_SIZE tx_size, uint8_t *dst, int stride,
uint8_t *token_cache) {
struct macroblockd_plane *const pd = &xd->plane[plane];
const int eob = pd->eobs[block];
if (eob > 0) {
@ -274,13 +275,20 @@ static void inverse_transform_block(MACROBLOCKD* xd, int plane, int block,
if (eob == 1) {
vpx_memset(dqcoeff, 0, 2 * sizeof(dqcoeff[0]));
vpx_memset(token_cache, 0, 2 * sizeof(token_cache[0]));
} else {
if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)
if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10) {
vpx_memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
else if (tx_size == TX_32X32 && eob <= 34)
vpx_memset(token_cache, 0,
4 * (4 << tx_size) * sizeof(token_cache[0]));
} else if (tx_size == TX_32X32 && eob <= 34) {
vpx_memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
else
vpx_memset(token_cache, 0, 256 * sizeof(token_cache[0]));
} else {
vpx_memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0]));
vpx_memset(token_cache, 0,
(16 << (tx_size << 1)) * sizeof(token_cache[0]));
}
}
}
}
@ -319,7 +327,8 @@ 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, dst, pd->dst.stride);
inverse_transform_block(xd, plane, block, tx_size, dst, pd->dst.stride,
args->token_cache);
}
}
@ -345,7 +354,7 @@ static void reconstruct_inter_block(int plane, int block,
args->r, args->token_cache);
inverse_transform_block(xd, plane, block, tx_size,
&pd->dst.buf[4 * y * pd->dst.stride + 4 * x],
pd->dst.stride);
pd->dst.stride, args->token_cache);
}
static void set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,
@ -946,6 +955,7 @@ static void setup_tile_macroblockd(TileWorkerData *const tile_data) {
pd[i].dqcoeff = tile_data->dqcoeff[i];
pd[i].eobs = tile_data->eobs[i];
vpx_memset(xd->plane[i].dqcoeff, 0, 64 * 64 * sizeof(int16_t));
vpx_memset(tile_data->token_cache, 0, sizeof(tile_data->token_cache));
}
}

3
vp9/decoder/vp9_detokenize.c
View File

@ -139,8 +139,7 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
DECODE_ZERO:
if (!vp9_read(r, prob[ZERO_CONTEXT_NODE])) {
INCREMENT_COUNT(ZERO_TOKEN);
token_cache[scan[c]] = vp9_pt_energy_class[ZERO_TOKEN];
dqv = dq[1]; \
dqv = dq[1];
++c;
goto SKIP_START;
}