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cbs: Refcount all the things!

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This makes it easier for users of the CBS API to get alloc/free right -
all subelements use the buffer API so that it's clear how to free them.
It also allows eliding some redundant copies: the packet -> fragment copy
disappears after this change if the input packet is refcounted, and more
codec-specific cases are now possible (but not included in this patch).
This commit is contained in:
Mark Thompson
2018-02-11 00:51:33 +00:00
parent 13ca5d34ba
commit ce5870a3a8
15 changed files with 416 additions and 291 deletions
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3
libavcodec/cbs_internal.h
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@@ -53,9 +53,6 @@ typedef struct CodedBitstreamType {
int (*assemble_fragment)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag);
// Free the content and data of a single unit.
void (*free_unit)(CodedBitstreamUnit *unit);
// Free the codec internal state.
void (*close)(CodedBitstreamContext *ctx);
} CodedBitstreamType;