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cbs: Add macros to support defining unit type tables

This commit is contained in:
Mark Thompson 2020-07-27 17:32:19 +01:00
parent bc7a7e0d65
commit 225f287885
1 changed files with 24 additions and 0 deletions
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24
libavcodec/cbs_internal.h
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@ -167,6 +167,30 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
#define MIN_INT_BITS(length) (-(INT64_C(1) << ((length) - 1))) #define MIN_INT_BITS(length) (-(INT64_C(1) << ((length) - 1)))
#define CBS_UNIT_TYPE_POD(type, structure) { \
.nb_unit_types = 1, \
.unit_types = { type }, \
.content_type = CBS_CONTENT_TYPE_POD, \
.content_size = sizeof(structure), \
}
#define CBS_UNIT_TYPE_INTERNAL_REF(type, structure, ref_field) { \
.nb_unit_types = 1, \
.unit_types = { type }, \
.content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, \
.content_size = sizeof(structure), \
.nb_ref_offsets = 1, \
.ref_offsets = { offsetof(structure, ref_field) }, \
}
#define CBS_UNIT_TYPE_COMPLEX(type, structure, free_func) { \
.nb_unit_types = 1, \
.unit_types = { type }, \
.content_type = CBS_CONTENT_TYPE_COMPLEX, \
.content_size = sizeof(structure), \
.content_free = free_func, \
}
#define CBS_UNIT_TYPE_END_OF_LIST { .nb_unit_types = 0 }
extern const CodedBitstreamType ff_cbs_type_av1; extern const CodedBitstreamType ff_cbs_type_av1;
extern const CodedBitstreamType ff_cbs_type_h264; extern const CodedBitstreamType ff_cbs_type_h264;
extern const CodedBitstreamType ff_cbs_type_h265; extern const CodedBitstreamType ff_cbs_type_h265;