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Diffstat (limited to 'src/3rdparty/libwebp/src/dec/tree_dec.c')
-rw-r--r--src/3rdparty/libwebp/src/dec/tree_dec.c57
1 files changed, 31 insertions, 26 deletions
diff --git a/src/3rdparty/libwebp/src/dec/tree_dec.c b/src/3rdparty/libwebp/src/dec/tree_dec.c
index 3f5a957..1c6fdea 100644
--- a/src/3rdparty/libwebp/src/dec/tree_dec.c
+++ b/src/3rdparty/libwebp/src/dec/tree_dec.c
@@ -296,20 +296,21 @@ static void ParseIntraMode(VP8BitReader* const br,
// to decode more than 1 keyframe.
if (dec->segment_hdr_.update_map_) {
// Hardcoded tree parsing
- block->segment_ = !VP8GetBit(br, dec->proba_.segments_[0])
- ? VP8GetBit(br, dec->proba_.segments_[1])
- : 2 + VP8GetBit(br, dec->proba_.segments_[2]);
+ block->segment_ = !VP8GetBit(br, dec->proba_.segments_[0], "segments")
+ ? VP8GetBit(br, dec->proba_.segments_[1], "segments")
+ : VP8GetBit(br, dec->proba_.segments_[2], "segments") + 2;
} else {
block->segment_ = 0; // default for intra
}
- if (dec->use_skip_proba_) block->skip_ = VP8GetBit(br, dec->skip_p_);
+ if (dec->use_skip_proba_) block->skip_ = VP8GetBit(br, dec->skip_p_, "skip");
- block->is_i4x4_ = !VP8GetBit(br, 145); // decide for B_PRED first
+ block->is_i4x4_ = !VP8GetBit(br, 145, "block-size");
if (!block->is_i4x4_) {
// Hardcoded 16x16 intra-mode decision tree.
const int ymode =
- VP8GetBit(br, 156) ? (VP8GetBit(br, 128) ? TM_PRED : H_PRED)
- : (VP8GetBit(br, 163) ? V_PRED : DC_PRED);
+ VP8GetBit(br, 156, "pred-modes") ?
+ (VP8GetBit(br, 128, "pred-modes") ? TM_PRED : H_PRED) :
+ (VP8GetBit(br, 163, "pred-modes") ? V_PRED : DC_PRED);
block->imodes_[0] = ymode;
memset(top, ymode, 4 * sizeof(*top));
memset(left, ymode, 4 * sizeof(*left));
@@ -323,22 +324,25 @@ static void ParseIntraMode(VP8BitReader* const br,
const uint8_t* const prob = kBModesProba[top[x]][ymode];
#if (USE_GENERIC_TREE == 1)
// Generic tree-parsing
- int i = kYModesIntra4[VP8GetBit(br, prob[0])];
+ int i = kYModesIntra4[VP8GetBit(br, prob[0], "pred-modes")];
while (i > 0) {
- i = kYModesIntra4[2 * i + VP8GetBit(br, prob[i])];
+ i = kYModesIntra4[2 * i + VP8GetBit(br, prob[i], "pred-modes")];
}
ymode = -i;
#else
// Hardcoded tree parsing
- ymode = !VP8GetBit(br, prob[0]) ? B_DC_PRED :
- !VP8GetBit(br, prob[1]) ? B_TM_PRED :
- !VP8GetBit(br, prob[2]) ? B_VE_PRED :
- !VP8GetBit(br, prob[3]) ?
- (!VP8GetBit(br, prob[4]) ? B_HE_PRED :
- (!VP8GetBit(br, prob[5]) ? B_RD_PRED : B_VR_PRED)) :
- (!VP8GetBit(br, prob[6]) ? B_LD_PRED :
- (!VP8GetBit(br, prob[7]) ? B_VL_PRED :
- (!VP8GetBit(br, prob[8]) ? B_HD_PRED : B_HU_PRED)));
+ ymode = !VP8GetBit(br, prob[0], "pred-modes") ? B_DC_PRED :
+ !VP8GetBit(br, prob[1], "pred-modes") ? B_TM_PRED :
+ !VP8GetBit(br, prob[2], "pred-modes") ? B_VE_PRED :
+ !VP8GetBit(br, prob[3], "pred-modes") ?
+ (!VP8GetBit(br, prob[4], "pred-modes") ? B_HE_PRED :
+ (!VP8GetBit(br, prob[5], "pred-modes") ? B_RD_PRED
+ : B_VR_PRED)) :
+ (!VP8GetBit(br, prob[6], "pred-modes") ? B_LD_PRED :
+ (!VP8GetBit(br, prob[7], "pred-modes") ? B_VL_PRED :
+ (!VP8GetBit(br, prob[8], "pred-modes") ? B_HD_PRED
+ : B_HU_PRED))
+ );
#endif // USE_GENERIC_TREE
top[x] = ymode;
}
@@ -348,9 +352,9 @@ static void ParseIntraMode(VP8BitReader* const br,
}
}
// Hardcoded UVMode decision tree
- block->uvmode_ = !VP8GetBit(br, 142) ? DC_PRED
- : !VP8GetBit(br, 114) ? V_PRED
- : VP8GetBit(br, 183) ? TM_PRED : H_PRED;
+ block->uvmode_ = !VP8GetBit(br, 142, "pred-modes-uv") ? DC_PRED
+ : !VP8GetBit(br, 114, "pred-modes-uv") ? V_PRED
+ : VP8GetBit(br, 183, "pred-modes-uv") ? TM_PRED : H_PRED;
}
int VP8ParseIntraModeRow(VP8BitReader* const br, VP8Decoder* const dec) {
@@ -514,8 +518,10 @@ void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec) {
for (b = 0; b < NUM_BANDS; ++b) {
for (c = 0; c < NUM_CTX; ++c) {
for (p = 0; p < NUM_PROBAS; ++p) {
- const int v = VP8GetBit(br, CoeffsUpdateProba[t][b][c][p]) ?
- VP8GetValue(br, 8) : CoeffsProba0[t][b][c][p];
+ const int v =
+ VP8GetBit(br, CoeffsUpdateProba[t][b][c][p], "global-header") ?
+ VP8GetValue(br, 8, "global-header") :
+ CoeffsProba0[t][b][c][p];
proba->bands_[t][b].probas_[c][p] = v;
}
}
@@ -524,9 +530,8 @@ void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec) {
proba->bands_ptr_[t][b] = &proba->bands_[t][kBands[b]];
}
}
- dec->use_skip_proba_ = VP8Get(br);
+ dec->use_skip_proba_ = VP8Get(br, "global-header");
if (dec->use_skip_proba_) {
- dec->skip_p_ = VP8GetValue(br, 8);
+ dec->skip_p_ = VP8GetValue(br, 8, "global-header");
}
}
-