[FFmpeg-devel] [PATCH v2 04/11] cbs: Add macros to support defining unit type tables

Mark Thompson sw at jkqxz.net
Tue May 21 02:02:17 EEST 2019


---
 libavcodec/cbs_internal.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/libavcodec/cbs_internal.h b/libavcodec/cbs_internal.h
index 06a8f9b979..439fa7934b 100644
--- a/libavcodec/cbs_internal.h
+++ b/libavcodec/cbs_internal.h
@@ -140,6 +140,27 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
 #define MIN_INT_BITS(length) (-(INT64_C(1) << ((length) - 1)))
 
 
+#define CBS_UNIT_TYPE_POD(type, structure) { \
+        .unit_type    = type, \
+        .content_type = CBS_CONTENT_TYPE_POD, \
+        .content_size = sizeof(structure), \
+    }
+#define CBS_UNIT_TYPE_INTERNAL_REFS(type, structure, nb_offsets, offsets) { \
+        .unit_type      = type, \
+        .content_type   = CBS_CONTENT_TYPE_INTERNAL_REFS, \
+        .content_size   = sizeof(structure), \
+        .nb_ref_offsets = nb_offsets, \
+        .ref_offsets    = offsets, \
+    }
+#define CBS_UNIT_TYPE_COMPLEX(type, structure, free_func) { \
+        .unit_type     = type, \
+        .content_type  = CBS_CONTENT_TYPE_COMPLEX, \
+        .content_size  = sizeof(structure), \
+        .content_free  = free_func, \
+    }
+#define CBS_UNIT_TYPE_END_OF_LIST { CBS_INVALID_UNIT_TYPE }
+
+
 extern const CodedBitstreamType ff_cbs_type_av1;
 extern const CodedBitstreamType ff_cbs_type_h264;
 extern const CodedBitstreamType ff_cbs_type_h265;
-- 
2.20.1



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