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Avoid several backward reference copies.

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An extra VP8LBackwardRefs struct is used but it was used internally anyway.

Change-Id: Ifcb36ce42b8c21ef3c7a1daf38cb7f714687fcb2
This commit is contained in:
Vincent Rabaud
2017-04-13 16:52:38 +02:00
parent 4bb1f607d7
commit 690efd82f8
4 changed files with 62 additions and 80 deletions
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6
src/enc/backward_references_enc.h
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@ -158,9 +158,6 @@ struct VP8LBackwardRefs {
void VP8LBackwardRefsInit(VP8LBackwardRefs* const refs, int block_size);
// Release memory for backward references.
void VP8LBackwardRefsClear(VP8LBackwardRefs* const refs);
// Copies the 'src' backward refs to the 'dst'. Returns 0 in case of error.
int VP8LBackwardRefsCopy(const VP8LBackwardRefs* const src,
VP8LBackwardRefs* const dst);
// Cursor for iterating on references content
typedef struct {
@ -198,7 +195,8 @@ static WEBP_INLINE void VP8LRefsCursorNext(VP8LRefsCursor* const c) {
VP8LBackwardRefs* VP8LGetBackwardReferences(
int width, int height, const uint32_t* const argb, int quality,
int low_effort, int* const cache_bits,
const VP8LHashChain* const hash_chain, VP8LBackwardRefs refs[2]);
const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_tmp1,
VP8LBackwardRefs* const refs_tmp2);
#ifdef __cplusplus
}