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avformat/avformat: Add FFInputFormat, hide internals of AVInputFormat

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This commit does for AVInputFormat what commit
59c9dc82f4 did for AVOutputFormat:
It adds a new type FFInputFormat, moves all the internals
of AVInputFormat to it and adds a now reduced AVInputFormat
as first member.

This does not affect/improve extensibility of both public
or private fields for demuxers (it is still a mess due to lavd).

This is possible since 50f34172e0
(which removed the last usage of an internal field of AVInputFormat
in fftools).

(Hint: tools/probetest.c accesses the internals of FFInputFormat
as well, but given that it is a testing tool this is not considered
a problem.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2024-02-10 15:50:43 +01:00
committed by James Almer
parent bb81c60927
commit b800327f4c
300 changed files with 2187 additions and 1948 deletions
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5
libavdevice/utils.c
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@@ -19,6 +19,7 @@
#include "internal.h"
#include "libavutil/opt.h"
#include "libavformat/avformat.h"
#include "libavformat/demux.h"
int ff_alloc_input_device_context(AVFormatContext **avctx, const AVInputFormat *iformat, const char *format)
{
@@ -38,8 +39,8 @@ int ff_alloc_input_device_context(AVFormatContext **avctx, const AVInputFormat *
goto error;
}
s->iformat = iformat;
if (s->iformat->priv_data_size > 0) {
s->priv_data = av_mallocz(s->iformat->priv_data_size);
if (ffifmt(s->iformat)->priv_data_size > 0) {
s->priv_data = av_mallocz(ffifmt(s->iformat)->priv_data_size);
if (!s->priv_data) {
ret = AVERROR(ENOMEM);
goto error;