}; #define GST_STATIC_CAPS(string) \ { \ /* caps */ NULL, \ /* string */ string, \ GST_PADDING_INIT \ } 一个例子 GstStaticCaps scaps = GST_STATIC_CAPS ("audio/x-raw, " "format = (string) " GST_AUDIO_NE (S16) ", " "layout = (string) interleaved, " "channels = (in...