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vf_scale: switch to child_class_iterate()

This commit is contained in:
Anton Khirnov 2020-05-27 15:34:07 +02:00
parent 344149cf01
commit 6bfac4ee6f
1 changed files with 15 additions and 0 deletions
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15
libavfilter/vf_scale.c
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@ -882,10 +882,19 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
return ret;
}
#if FF_API_CHILD_CLASS_NEXT
static const AVClass *child_class_next(const AVClass *prev)
{
return prev ? NULL : sws_get_class();
}
#endif
static const AVClass *child_class_iterate(void **iter)
{
const AVClass *c = *iter ? NULL : sws_get_class();
*iter = (void*)(uintptr_t)c;
return c;
}
#define OFFSET(x) offsetof(ScaleContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
@ -944,7 +953,10 @@ static const AVClass scale_class = {
.option = scale_options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_FILTER,
#if FF_API_CHILD_CLASS_NEXT
.child_class_next = child_class_next,
#endif
.child_class_iterate = child_class_iterate,
};
static const AVFilterPad avfilter_vf_scale_inputs[] = {
@ -984,7 +996,10 @@ static const AVClass scale2ref_class = {
.option = scale_options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_FILTER,
#if FF_API_CHILD_CLASS_NEXT
.child_class_next = child_class_next,
#endif
.child_class_iterate = child_class_iterate,
};
static const AVFilterPad avfilter_vf_scale2ref_inputs[] = {