a GstBufferPool configuration. [transfer none]
the caps of buffers. out[transfer none][allow-none]
the size of each buffer, not including prefix and padding. out[allow-none]
the minimum amount of buffers to allocate. out[allow-none]
the maximum amount of buffers to allocate or 0 for unlimited. out[allow-none]
TRUE if all parameters could be fetched.
Get the configuration values from config.