avformat/mxfdec: add support for determining essence wrapping scheme

Some code is based on bmxlib-libmxf/mxf/mxf_utils.c.

Signed-off-by: Marton Balint <cus@passwd.hu>

1 files changed, 9 insertions, 0 deletions

diff --git a/libavformat/mxf.h b/libavformat/mxf.h
index 93bc2cd075..f6e75919c5 100644
--- a/libavformat/mxf.h
+++ b/libavformat/mxf.h
@@ -65,11 +65,20 @@ typedef struct KLVPacket {
     int64_t next_klv;
 } KLVPacket;
 
+typedef enum {
+    NormalWrap = 0,
+    D10D11Wrap,
+    RawAWrap,
+    RawVWrap
+} MXFWrappingIndicatorType;
+
 typedef struct MXFCodecUL {
     UID uid;
     unsigned matching_len;
     int id;
     const char *desc;
+    unsigned wrapping_indicator_pos;
+    MXFWrappingIndicatorType wrapping_indicator_type;
 } MXFCodecUL;
 
 typedef struct {