diff options
Diffstat (limited to 'libavfilter/vf_scale.c')
| -rw-r--r-- | libavfilter/vf_scale.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 0348f19d33..f92529e7c8 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -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[] = { |