This allows parsing of special-case negative numbers like decibels.
---
libavutil/opt.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/libavutil/opt.c b/libavutil/opt.c
index b1ccf9b..be17d55 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -176,10 +176,15 @@ static int set_string_number(void *obj, const AVOption
*o, const char *val, void
double d, num = 1;
int64_t intnum = 1;
- if (*val == '+' || *val == '-')
- cmd = *(val++);
+ i = 0;
+ if (*val == '+' || *val == '-') {
+ if (o->type == AV_OPT_TYPE_FLAGS)
+ cmd = *(val++);
+ else if (!notfirst)
+ buf[i++] = *val;
+ }
- for (i = 0; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i]
!= '-'; i++)
+ for (; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i] !=
'-'; i++)
buf[i] = val[i];
buf[i] = 0;
--
1.7.1
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