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Increase the MAX_COLOR_CACHE_BITS from 9 to 10.

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The Maximum allowed limit is 11.
The Q=25 and below is not impacted as cache bits are forced to 0.
This saves 0.05% - 0.1% bytes for other quality with almost same compression
speed (+/- 2-3%, that's more of a noise).

Change-Id: Icf972a98f298c89e140e37a627baf709134be9a0
This commit is contained in:
Vikas Arora 2014-10-27 14:18:07 -07:00
parent 919220c7e6
commit 653ace55c3
1 changed files with 2 additions and 3 deletions
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5
src/enc/backward_references.h
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@ -22,9 +22,8 @@
extern "C" { extern "C" {
#endif #endif
// The spec allows 11, we use 9 bits to reduce memory consumption in encoding. // The maximum allowed limit is 11.
// Having 9 instead of 11 only removes about 0.25 % of compression density. #define MAX_COLOR_CACHE_BITS 10
#define MAX_COLOR_CACHE_BITS 9
// ----------------------------------------------------------------------------- // -----------------------------------------------------------------------------
// PixOrCopy // PixOrCopy