---
libavutil/opt.c | 10 ++++++++++
libavutil/opt.h | 1 +
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/libavutil/opt.c b/libavutil/opt.c
index 4e25918..db084eb 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -320,6 +320,16 @@ int64_t av_get_int(void *obj, const char *name, const
AVOption **o_out)
return num*intnum/den;
}
+int av_flag_is_set(void *obj, const char *field_name, const char *flag_name)
+{
+ const AVOption *field = av_find_opt(obj, field_name, NULL, 0, 0);
+ const AVOption *flag = av_find_opt(obj, flag_name, NULL, 0, 0);
+
+ if (!field || !flag)
+ return 0;
+ return av_get_int(obj, field_name, NULL) & (int) flag->default_val.dbl;
+}
+
static void opt_list(void *obj, void *av_log_obj, const char *unit,
int req_flags, int rej_flags)
{
diff --git a/libavutil/opt.h b/libavutil/opt.h
index 6668139..4e9b6ce 100644
--- a/libavutil/opt.h
+++ b/libavutil/opt.h
@@ -140,6 +140,7 @@ const AVOption *av_set_int(void *obj, const char *name,
int64_t n);
double av_get_double(void *obj, const char *name, const AVOption **o_out);
AVRational av_get_q(void *obj, const char *name, const AVOption **o_out);
int64_t av_get_int(void *obj, const char *name, const AVOption **o_out);
+int av_flag_is_set(void *obj, const char *field_name, const char *flag_name);
const char *av_get_string(void *obj, const char *name, const AVOption **o_out,
char *buf, int buf_len);
const AVOption *av_next_option(void *obj, const AVOption *last);
--
1.7.3.1
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel
