Fixes problems when non-rational options were set using rational expressions,
causing rounding errors and the option range limits not to be enforced
properly.
ffmpeg -f lavfi -i "sine=r=96000/2"
This caused an assertion failure with assert level 2.
Signed-off-by: Marton Balint <c...@passwd.hu>
---
libavutil/opt.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/libavutil/opt.c b/libavutil/opt.c
index bf2562737b..b792dec01c 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -229,13 +229,15 @@ static int set_string(void *obj, const AVOption *o, const
char *val, uint8_t **d
static int set_string_number(void *obj, void *target_obj, const AVOption *o,
const char *val, void *dst)
{
int ret = 0;
- int num, den;
- char c;
- if (sscanf(val, "%d%*1[:/]%d%c", &num, &den, &c) == 2) {
- if ((ret = write_number(obj, o, dst, 1, den, num)) >= 0)
- return ret;
- ret = 0;
+ if (o->type == AV_OPT_TYPE_RATIONAL || o->type == AV_OPT_TYPE_VIDEO_RATE) {
+ int num, den;
+ char c;
+ if (sscanf(val, "%d%*1[:/]%d%c", &num, &den, &c) == 2) {
+ if ((ret = write_number(obj, o, dst, 1, den, num)) >= 0)
+ return ret;
+ ret = 0;
+ }
}
for (;;) {
--
2.16.4
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