avformat: use int instead of enum for AVOption fields

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>

libavformat/chromaprint.c

@@ -41,7 +41,8 @@ typedef struct ChromaprintMuxContext {
     const AVClass *class;
     int silence_threshold;
     int algorithm;
-    FingerprintFormat fp_format;
+    /* FingerprintFormat, use int for AVOption */
+    int fp_format;
 #if CPR_VERSION_INT >= AV_VERSION_INT(1, 4, 0)
     ChromaprintContext *ctx;
 #else

libavformat/libsrt.c

@@ -82,7 +82,8 @@ typedef struct SRTContext {
     int payload_size;
     int64_t rcvlatency;
     int64_t peerlatency;
-    enum SRTMode mode;
+    /* enum SRTMode, use int for AVOption */
+    int mode;
     int sndbuf;
     int rcvbuf;
     int lossmaxttl;