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avfilter/formats: Remove pointless checks
ff_formats_ref() takes a pointer to an AVFilterFormats and a pointer to a pointer to an AVFilterFormats as arguments and adds the latter as an owner to the list pointed to by the former; the latter is hereby always the address of a list contained in an AVFilterFormatsConfig and can therefore not be NULL. So remove the check for whether it is NULL; also do the same for ff_channel_layouts_ref(). Also do the same for the unref functions where argument is never NULL because it is always the address of an existing lvalue. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -446,7 +446,7 @@ AVFilterChannelLayouts *ff_all_channel_counts(void)
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#define FORMATS_REF(f, ref, unref_fn) \
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void *tmp; \
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\
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if (!f || !ref) \
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if (!f) \
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return AVERROR(ENOMEM); \
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\
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tmp = av_realloc_array(f->refs, sizeof(*f->refs), f->refcount + 1); \
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@ -483,7 +483,7 @@ do { \
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do { \
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int idx = -1; \
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\
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if (!ref || !*ref) \
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if (!*ref) \
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return; \
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\
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FIND_REF_INDEX(ref, idx); \
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