#define AVFILTER_EQ_H
#include "avfilter.h"
+#include "libavutil/eval.h"
+
+static const char * const var_names[] = {
+ "contrast",
+ "brightness",
+ "saturation",
+ "gamma",
+ "gamma_weight",
+ "gamma_r",
+ "gamma_g",
+ "gamma_b",
+ NULL
+};
+
+enum var_name {
+ VAR_CONTRAST ,
+ VAR_BRIGHTNESS ,
+ VAR_SATURATION ,
+ VAR_GAMMA ,
+ VAR_GAMMA_WEIGHT ,
+ VAR_GAMMA_R ,
+ VAR_GAMMA_G ,
+ VAR_GAMMA_B ,
+ VAR_VARS_NB ,
+};
typedef struct EQParameters {
void (*adjust)(struct EQParameters *eq, uint8_t *dst, int dst_stride,
double brightness, contrast, gamma, gamma_weight;
int lut_clean;
+
} EQParameters;
typedef struct {
EQParameters param[3];
- double contrast;
- double brightness;
- double saturation;
+ char *contrast_expr;
+ AVExpr *contrast_pexpr;
+
+ char *brightness_expr;
+ AVExpr *brightness_pexpr;
+
+ char *saturation_expr;
+ AVExpr *saturation_pexpr;
+
+ char *gamma_expr;
+ AVExpr *gamma_pexpr;
+
+ char *gamma_weight_expr;
+ AVExpr *gamma_weight_pexpr;
+
+ char *gamma_r_expr;
+ AVExpr *gamma_r_pexpr;
+
+ char *gamma_g_expr;
+ AVExpr *gamma_g_pexpr;
+
+ char *gamma_b_expr;
+ AVExpr *gamma_b_pexpr;
- double gamma;
- double gamma_weight;
- double gamma_r, gamma_g, gamma_b;
+ double var_values[VAR_VARS_NB];
void (*process)(struct EQParameters *par, uint8_t *dst, int dst_stride,
const uint8_t *src, int src_stride, int w, int h);