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Diffstat (limited to 'media/ffvpx/libavutil/eval.c')
-rw-r--r--media/ffvpx/libavutil/eval.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/eval.c b/media/ffvpx/libavutil/eval.c
index fc12885c27..e5948793bd 100644
--- a/media/ffvpx/libavutil/eval.c
+++ b/media/ffvpx/libavutil/eval.c
@@ -38,6 +38,7 @@
#include "fftime.h"
#include "avstring.h"
#include "timer.h"
+#include "reverse.h"
typedef struct Parser {
const AVClass *class;
@@ -152,9 +153,9 @@ struct AVExpr {
e_squish, e_gauss, e_ld, e_isnan, e_isinf,
e_mod, e_max, e_min, e_eq, e_gt, e_gte, e_lte, e_lt,
e_pow, e_mul, e_div, e_add,
- e_last, e_st, e_while, e_taylor, e_root, e_floor, e_ceil, e_trunc,
+ e_last, e_st, e_while, e_taylor, e_root, e_floor, e_ceil, e_trunc, e_round,
e_sqrt, e_not, e_random, e_hypot, e_gcd,
- e_if, e_ifnot, e_print, e_bitand, e_bitor, e_between, e_clip
+ e_if, e_ifnot, e_print, e_bitand, e_bitor, e_between, e_clip, e_atan2, e_lerp,
} type;
double value; // is sign in other types
union {
@@ -188,6 +189,7 @@ static double eval_expr(Parser *p, AVExpr *e)
case e_floor: return e->value * floor(eval_expr(p, e->param[0]));
case e_ceil : return e->value * ceil (eval_expr(p, e->param[0]));
case e_trunc: return e->value * trunc(eval_expr(p, e->param[0]));
+ case e_round: return e->value * round(eval_expr(p, e->param[0]));
case e_sqrt: return e->value * sqrt (eval_expr(p, e->param[0]));
case e_not: return e->value * (eval_expr(p, e->param[0]) == 0);
case e_if: return e->value * (eval_expr(p, e->param[0]) ? eval_expr(p, e->param[1]) :
@@ -206,6 +208,12 @@ static double eval_expr(Parser *p, AVExpr *e)
return e->value * (d >= eval_expr(p, e->param[1]) &&
d <= eval_expr(p, e->param[2]));
}
+ case e_lerp: {
+ double v0 = eval_expr(p, e->param[0]);
+ double v1 = eval_expr(p, e->param[1]);
+ double f = eval_expr(p, e->param[2]);
+ return v0 + (v1 - v0) * f;
+ }
case e_print: {
double x = eval_expr(p, e->param[0]);
int level = e->param[1] ? av_clip(eval_expr(p, e->param[1]), INT_MIN, INT_MAX) : AV_LOG_INFO;
@@ -305,6 +313,7 @@ static double eval_expr(Parser *p, AVExpr *e)
case e_last:return e->value * d2;
case e_st : return e->value * (p->var[av_clip(d, 0, VARS-1)]= d2);
case e_hypot:return e->value * hypot(d, d2);
+ case e_atan2:return e->value * atan2(d, d2);
case e_bitand: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d & (long int)d2);
case e_bitor: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d | (long int)d2);
}
@@ -438,6 +447,7 @@ static int parse_primary(AVExpr **e, Parser *p)
else if (strmatch(next, "floor" )) d->type = e_floor;
else if (strmatch(next, "ceil" )) d->type = e_ceil;
else if (strmatch(next, "trunc" )) d->type = e_trunc;
+ else if (strmatch(next, "round" )) d->type = e_round;
else if (strmatch(next, "sqrt" )) d->type = e_sqrt;
else if (strmatch(next, "not" )) d->type = e_not;
else if (strmatch(next, "pow" )) d->type = e_pow;
@@ -451,6 +461,8 @@ static int parse_primary(AVExpr **e, Parser *p)
else if (strmatch(next, "bitor" )) d->type = e_bitor;
else if (strmatch(next, "between"))d->type = e_between;
else if (strmatch(next, "clip" )) d->type = e_clip;
+ else if (strmatch(next, "atan2" )) d->type = e_atan2;
+ else if (strmatch(next, "lerp" )) d->type = e_lerp;
else {
for (i=0; p->func1_names && p->func1_names[i]; i++) {
if (strmatch(next, p->func1_names[i])) {
@@ -634,6 +646,7 @@ static int verify_expr(AVExpr *e)
case e_floor:
case e_ceil:
case e_trunc:
+ case e_round:
case e_sqrt:
case e_not:
case e_random:
@@ -648,6 +661,7 @@ static int verify_expr(AVExpr *e)
&& (!e->param[2] || verify_expr(e->param[2]));
case e_between:
case e_clip:
+ case e_lerp:
return verify_expr(e->param[0]) &&
verify_expr(e->param[1]) &&
verify_expr(e->param[2]);