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lavf: add new struct for data private to generic layer

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Trivial for now, will become more useful in future commits, as many
fields from FFFormatContext should not be visible to individual
(de)muxers.
This commit is contained in:
Anton Khirnov 2024-10-13 10:13:46 +02:00
parent 461a359abc
commit 772911d3a8
2 changed files with 15 additions and 2 deletions
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10
libavformat/avformat_internal.h
View File

@ -28,6 +28,16 @@
#include <stdint.h>
#include "avformat.h"
#include "internal.h"
typedef struct FormatContextInternal {
FFFormatContext fc;
} FormatContextInternal;
static av_always_inline FormatContextInternal *ff_fc_internal(AVFormatContext *s)
{
return (FormatContextInternal*)s;
}
#define RELATIVE_TS_BASE (INT64_MAX - (1LL << 48))

7
libavformat/options.c
View File

@ -161,12 +161,15 @@ static int io_close2_default(AVFormatContext *s, AVIOContext *pb)
AVFormatContext *avformat_alloc_context(void)
{
FFFormatContext *const si = av_mallocz(sizeof(*si));
FormatContextInternal *fci;
FFFormatContext *si;
AVFormatContext *s;
if (!si)
fci = av_mallocz(sizeof(*fci));
if (!fci)
return NULL;
si = &fci->fc;
s = &si->pub;
s->av_class = &av_format_context_class;
s->io_open = io_open_default;