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Merge commit '4d1f31ea44f82adfb2b712534d71e27233a4f785'

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* commit '4d1f31ea44f82adfb2b712534d71e27233a4f785':
  lavfi: make AVFilterContext export filter options.

Conflicts:
	libavfilter/avfilter.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-11 10:42:49 +02:00
commit 0965be00fe
1 changed files with 8 additions and 8 deletions
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16
libavfilter/avfilter.c
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@ -456,28 +456,28 @@ static const char *default_filter_name(void *filter_ctx)
static void *filter_child_next(void *obj, void *prev)
{
AVFilterContext *ctx = obj;
if (!prev && ctx->filter && ctx->filter->priv_class)
if (!prev && ctx->filter && ctx->filter->priv_class && ctx->priv)
return ctx->priv;
return NULL;
}
static const AVClass *filter_child_class_next(const AVClass *prev)
{
AVFilter **filter_ptr = NULL;
AVFilter **f = NULL;
/* find the filter that corresponds to prev */
while (prev && *(filter_ptr = av_filter_next(filter_ptr)))
if ((*filter_ptr)->priv_class == prev)
while (prev && *(f = av_filter_next(f)))
if ((*f)->priv_class == prev)
break;
/* could not find filter corresponding to prev */
if (prev && !(*filter_ptr))
if (prev && !(*f))
return NULL;
/* find next filter with specific options */
while (*(filter_ptr = av_filter_next(filter_ptr)))
if ((*filter_ptr)->priv_class)
return (*filter_ptr)->priv_class;
while (*(f = av_filter_next(f)))
if ((*f)->priv_class)
return (*f)->priv_class;
return NULL;
}