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| author | Stefano Sabatini <stefasab@gmail.com> | 2013-03-13 14:09:10 +0100 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2013-03-17 00:22:47 +0100 |
| commit | b2098d2417a085d33d99738dd7f963c7b260a0bf (patch) | |
| tree | 17d9adea1b9546f3607d1166dbe9e561e23ef5b6 /libavutil/eval.c | |
| parent | d8dccf69ff2df7014a2bb8e0e17828a820f45b27 (diff) | |
| download | ffmpeg-b2098d2417a085d33d99738dd7f963c7b260a0bf.tar.gz | |
lavu/eval: add bitor and bitand functions
Warning note suggested by Reimar.
Diffstat (limited to 'libavutil/eval.c')
| -rw-r--r-- | libavutil/eval.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavutil/eval.c b/libavutil/eval.c index 4875725886..9a688ae573 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -145,7 +145,7 @@ struct AVExpr { 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, - e_if, e_ifnot, e_print, + e_if, e_ifnot, e_print, e_bitand, e_bitor, } type; double value; // is sign in other types union { @@ -284,6 +284,8 @@ 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 * (sqrt(d*d + d2*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); } } } @@ -424,6 +426,8 @@ static int parse_primary(AVExpr **e, Parser *p) else if (strmatch(next, "gcd" )) d->type = e_gcd; else if (strmatch(next, "if" )) d->type = e_if; else if (strmatch(next, "ifnot" )) d->type = e_ifnot; + else if (strmatch(next, "bitand")) d->type = e_bitand; + else if (strmatch(next, "bitor" )) d->type = e_bitor; else { for (i=0; p->func1_names && p->func1_names[i]; i++) { if (strmatch(next, p->func1_names[i])) { @@ -809,6 +813,9 @@ int main(int argc, char **argv) "gauss(0.1)", "hypot(4,3)", "gcd(30,55)*print(min(9,1))", + "bitor(42, 12)", + "bitand(42, 12)", + "bitand(NAN, 1)", NULL }; |