27 #define REGISTER_FILTER(X, x, y) \
29 extern AVFilter avfilter_##y##_##x; \
30 if (CONFIG_##X##_FILTER) \
31 avfilter_register(&avfilter_##y##_##x); \
34 #define REGISTER_FILTER_UNCONDITIONAL(x) \
36 extern AVFilter avfilter_##x; \
37 avfilter_register(&avfilter_##x); \
42 static int initialized;
48 #if FF_API_ACONVERT_FILTER
225 #if FF_API_AVFILTERBUFFER