Make avc_find_startcode non-static, so that it can be used from other

files (and add the ff_ prefix, to avoid polluting the namespace)

Originally committed as revision 11532 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/avc.c

@@ -21,7 +21,7 @@
 #include "avformat.h"
 #include "avio.h"
 
-static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
+uint8_t *ff_avc_find_startcode(uint8_t *p, uint8_t *end)
 {
     uint8_t *a = p + 4 - ((long)p & 3);
 
@@ -68,10 +68,10 @@ int ff_avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size)
     if(ret < 0)
         return ret;
 
-    nal_start = avc_find_startcode(p, end);
+    nal_start = ff_avc_find_startcode(p, end);
     while (nal_start < end) {
         while(!*(nal_start++));
-        nal_end = avc_find_startcode(nal_start, end);
+        nal_end = ff_avc_find_startcode(nal_start, end);
         put_be32(pb, nal_end - nal_start);
         put_buffer(pb, nal_start, nal_end - nal_start);
         nal_start = nal_end;

libavformat/avc.h

@@ -27,5 +27,6 @@
 
 int ff_avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size);
 int ff_isom_write_avcc(ByteIOContext *pb, uint8_t *data, int len);
+uint8_t *ff_avc_find_startcode(uint8_t *p, uint8_t *end);
 
 #endif /* AVC_H */