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avfilter/formats: Add function to create AVFilterFormats with one entry

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Most instances ff_add_formats() actually only ever add one format;
this function can be used to simplify those callers.

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-09-30 05:33:25 +02:00
parent 628b30e886
commit aa6360928e
2 changed files with 12 additions and 0 deletions
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6
libavfilter/formats.c
View File

@ -431,6 +431,12 @@ int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout)
return 0;
}
AVFilterFormats *ff_make_formats_list_singleton(int fmt)
{
int fmts[2] = { fmt, -1 };
return ff_make_format_list(fmts);
}
AVFilterFormats *ff_all_formats(enum AVMediaType type)
{
AVFilterFormats *ret = NULL;

6
libavfilter/formats.h
View File

@ -208,6 +208,12 @@ int ff_default_query_formats(AVFilterContext *ctx);
av_warn_unused_result
AVFilterFormats *ff_make_format_list(const int *fmts);
/**
* Equivalent to ff_make_format_list({const int[]}{ fmt, -1 })
*/
av_warn_unused_result
AVFilterFormats *ff_make_formats_list_singleton(int fmt);
/**
* Add fmt to the list of media formats contained in *avff.
* If *avff is NULL the function allocates the filter formats struct