avcodec/dnxhddata: move avpriv_dnxhd_parse_header_prefix to a header

It's a small and simple function that can be inlined.

This removes one private symbol and should reduce object dependencies with the next
major bump

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/libavcodec/dnxhddata.c b/libavcodec/dnxhddata.c
index 480b8069cf..2011829a06 100644
--- a/libavcodec/dnxhddata.c
+++ b/libavcodec/dnxhddata.c
@@ -22,7 +22,6 @@
 #include "avcodec.h"
 #include "dnxhddata.h"
 #include "libavutil/common.h"
-#include "libavutil/intreadwrite.h"
 
 /* The quantization tables below are in zigzag order! */
 
@@ -1103,12 +1102,12 @@ int avpriv_dnxhd_get_interlaced(int cid)
     return ff_dnxhd_cid_table[i].flags & DNXHD_INTERLACED ? 1 : 0;
 }
 
+#if LIBAVCODEC_VERSION_MAJOR < 58
 uint64_t avpriv_dnxhd_parse_header_prefix(const uint8_t *buf)
 {
-    uint64_t prefix = AV_RB32(buf);
-    prefix = (prefix << 16) | buf[4] << 8;
-    return ff_dnxhd_check_header_prefix(prefix);
+    return ff_dnxhd_parse_header_prefix(buf);
 }
+#endif
 
 static int dnxhd_find_hr_cid(AVCodecContext *avctx)
 {