Merge commit '7c147900b86c0f1cf030b7b844c670649c80c191'

[ffmpeg] / libavutil / eval.c

diff --git a/libavutil/eval.c b/libavutil/eval.c
index 5d202249f045f673536d00195070867be8b77bc1..48757258867120cf5d776b41dc2ee0be11f3f2ec 100644 (file)
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -33,6 +33,7 @@
 #include "log.h"
 #include "mathematics.h"
 #include "time.h"
+#include "avstring.h"
 
 typedef struct Parser {
     const AVClass *class;
@@ -140,7 +141,7 @@ struct AVExpr {
     enum {
         e_value, e_const, e_func0, e_func1, e_func2,
         e_squish, e_gauss, e_ld, e_isnan, e_isinf,
-        e_mod, e_max, e_min, e_eq, e_gt, e_gte,
+        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_sqrt, e_not, e_random, e_hypot, e_gcd,
@@ -274,6 +275,8 @@ static double eval_expr(Parser *p, AVExpr *e)
                 case e_eq:  return e->value * (d == d2 ? 1.0 : 0.0);
                 case e_gt:  return e->value * (d >  d2 ? 1.0 : 0.0);
                 case e_gte: return e->value * (d >= d2 ? 1.0 : 0.0);
+                case e_lt:  return e->value * (d <  d2 ? 1.0 : 0.0);
+                case e_lte: return e->value * (d <= d2 ? 1.0 : 0.0);
                 case e_pow: return e->value * pow(d, d2);
                 case e_mul: return e->value * (d * d2);
                 case e_div: return e->value * ((!CONFIG_FTRAPV || d2 ) ? (d / d2) : d * INFINITY);
@@ -400,8 +403,8 @@ static int parse_primary(AVExpr **e, Parser *p)
     else if (strmatch(next, "eq"    )) d->type = e_eq;
     else if (strmatch(next, "gte"   )) d->type = e_gte;
     else if (strmatch(next, "gt"    )) d->type = e_gt;
-    else if (strmatch(next, "lte"   )) { AVExpr *tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gte; }
-    else if (strmatch(next, "lt"    )) { AVExpr *tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gt; }
+    else if (strmatch(next, "lte"   )) d->type = e_lte;
+    else if (strmatch(next, "lt"    )) d->type = e_lt;
     else if (strmatch(next, "ld"    )) d->type = e_ld;
     else if (strmatch(next, "isnan" )) d->type = e_isnan;
     else if (strmatch(next, "isinf" )) d->type = e_isinf;
@@ -637,7 +640,7 @@ int av_expr_parse(AVExpr **expr, const char *s,
         return AVERROR(ENOMEM);
 
     while (*s)
-        if (!isspace(*s++)) *wp++ = s[-1];
+        if (!av_isspace(*s++)) *wp++ = s[-1];
     *wp++ = 0;
 
     p.class      = &class;