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VP8: Remove no longer used vp8_rac_get_tree_with_offset

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David Conrad 2010-07-24 01:47:06 -04:00 committed by Michael Niedermayer
parent 742d218bf1
commit ba3830e8a3
1 changed files with 6 additions and 17 deletions
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23
libavcodec/vp56.h
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@ -334,15 +334,13 @@ int vp56_rac_get_tree(VP56RangeCoder *c,
return -tree->val;
}
/**
* This is identical to vp8_rac_get_tree except for the possibility of starting
* on a node other than the root node, needed for coeff decode where this is
* used to save a bit after a 0 token (by disallowing EOB to immediately follow.)
*/
static av_always_inline
int vp8_rac_get_tree_with_offset(VP56RangeCoder *c, const int8_t (*tree)[2],
const uint8_t *probs, int i)
// how probabilities are associated with decisions is different I think
// well, the new scheme fits in the old but this way has one fewer branches per decision
static av_always_inline int vp8_rac_get_tree(VP56RangeCoder *c, const int8_t (*tree)[2],
const uint8_t *probs)
{
int i = 0;
do {
i = tree[i][vp56_rac_get_prob(c, probs[i])];
} while (i > 0);
@ -350,15 +348,6 @@ int vp8_rac_get_tree_with_offset(VP56RangeCoder *c, const int8_t (*tree)[2],
return -i;
}
// how probabilities are associated with decisions is different I think
// well, the new scheme fits in the old but this way has one fewer branches per decision
static av_always_inline
int vp8_rac_get_tree(VP56RangeCoder *c, const int8_t (*tree)[2],
const uint8_t *probs)
{
return vp8_rac_get_tree_with_offset(c, tree, probs, 0);
}
// DCTextra
static av_always_inline int vp8_rac_get_coeff(VP56RangeCoder *c, const uint8_t *prob)
{