@@ -943,7 +943,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
return ret;
}
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
+AVDictionary *filter_codec_opts(const AVDictionary *opts, enum AVCodecID codec_id,
AVFormatContext *s, AVStream *st, const AVCodec *codec)
{
AVDictionary *ret = NULL;
@@ -335,7 +335,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec);
* If null, the default one is looked up according to the codec id.
* @return a pointer to the created dictionary
*/
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
+AVDictionary *filter_codec_opts(const AVDictionary *opts, enum AVCodecID codec_id,
AVFormatContext *s, AVStream *st, const AVCodec *codec);
/**