Move flv format #defines to common header so they can be used by the encoder too.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/flv.h

@@ -42,6 +42,11 @@
 
 #define AMF_END_OF_OBJECT         0x09
 
+#define KEYFRAMES_TAG            "keyframes"
+#define KEYFRAMES_TIMESTAMP_TAG  "times"
+#define KEYFRAMES_BYTEOFFSET_TAG "filepositions"
+
+
 enum {
     FLV_HEADER_FLAG_HASVIDEO = 1,
     FLV_HEADER_FLAG_HASAUDIO = 4,

libavformat/flvdec.c

@@ -31,10 +31,6 @@
 #include "avio_internal.h"
 #include "flv.h"
 
-#define KEYFRAMES_TAG            "keyframes"
-#define KEYFRAMES_TIMESTAMP_TAG  "times"
-#define KEYFRAMES_BYTEOFFSET_TAG "filepositions"
-
 typedef struct {
     int wrong_dts; ///< wrong dts due to negative cts
 } FLVContext;