diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/enc/cost.h')
-rw-r--r-- | src/3rdparty/libwebp/src/enc/cost.h | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/src/3rdparty/libwebp/src/enc/cost.h b/src/3rdparty/libwebp/src/enc/cost.h index 4e55895..20960d6 100644 --- a/src/3rdparty/libwebp/src/enc/cost.h +++ b/src/3rdparty/libwebp/src/enc/cost.h @@ -24,46 +24,31 @@ extern "C" { // On-the-fly info about the current set of residuals. Handy to avoid // passing zillions of params. -typedef struct { +typedef struct VP8Residual VP8Residual; +struct VP8Residual { int first; int last; const int16_t* coeffs; int coeff_type; - ProbaArray* prob; - StatsArray* stats; - CostArray* cost; -} VP8Residual; + ProbaArray* prob; + StatsArray* stats; + CostArrayPtr costs; +}; void VP8InitResidual(int first, int coeff_type, VP8Encoder* const enc, VP8Residual* const res); -typedef void (*VP8SetResidualCoeffsFunc)(const int16_t* const coeffs, - VP8Residual* const res); -extern VP8SetResidualCoeffsFunc VP8SetResidualCoeffs; - -void VP8SetResidualCoeffsInit(void); // must be called first - int VP8RecordCoeffs(int ctx, const VP8Residual* const res); -// approximate cost per level: -extern const uint16_t VP8LevelFixedCosts[MAX_LEVEL + 1]; -extern const uint16_t VP8EntropyCost[256]; // 8bit fixed-point log(p) - // Cost of coding one event with probability 'proba'. static WEBP_INLINE int VP8BitCost(int bit, uint8_t proba) { return !bit ? VP8EntropyCost[proba] : VP8EntropyCost[255 - proba]; } -// Cost calculation function. -typedef int (*VP8GetResidualCostFunc)(int ctx0, const VP8Residual* const res); -extern VP8GetResidualCostFunc VP8GetResidualCost; - -void VP8GetResidualCostInit(void); // must be called first - // Level cost calculations extern const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2]; -void VP8CalculateLevelCosts(VP8Proba* const proba); +void VP8CalculateLevelCosts(VP8EncProba* const proba); static WEBP_INLINE int VP8LevelCost(const uint16_t* const table, int level) { return VP8LevelFixedCosts[level] + table[(level > MAX_VARIABLE_LEVEL) ? MAX_VARIABLE_LEVEL : level]; |