AVFilter avfilter_vsink_nullsink
A filter pad used for either input or output.
A link between two filters.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
A reference to an AVFilterBuffer.
const char * name
filter name
static void end_frame(AVFilterLink *link)