avformat: add ff_match_url_ext()

Match url against a list of extensions similar to av_match_ext()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 9 insertions, 0 deletions

diff --git a/libavformat/internal.h b/libavformat/internal.h
index f575064e8f..82a79d7488 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -705,6 +705,15 @@ int ff_unlock_avformat(void);
  */
 void ff_format_set_url(AVFormatContext *s, char *url);
 
+/**
+ * Return a positive value if the given url has one of the given
+ * extensions, negative AVERROR on error, 0 otherwise.
+ *
+ * @param url        url to check against the given extensions
+ * @param extensions a comma-separated list of filename extensions
+ */
+int ff_match_url_ext(const char *url, const char *extensions);
+
 struct FFOutputFormat;
 void avpriv_register_devices(const struct FFOutputFormat * const o[], const AVInputFormat * const i[]);