pub unsafe extern "C" fn av_buffer_unref(buf: *mut *mut AVBufferRef)展开描述
Free a given reference and automatically free the buffer if there are no more references to it.
@param buf the reference to be freed. The pointer is set to NULL on return.
pub unsafe extern "C" fn av_buffer_unref(buf: *mut *mut AVBufferRef)Free a given reference and automatically free the buffer if there are no more references to it.
@param buf the reference to be freed. The pointer is set to NULL on return.