param.h

Go to the documentation of this file.

/* Simple Plugin API
 *
 * Copyright © 2018 Wim Taymans
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
 
#ifndef SPA_PARAM_H
#define SPA_PARAM_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <spa/utils/defs.h>
 
enum spa_param_type {
        SPA_PARAM_Invalid,              
        SPA_PARAM_PropInfo,             
        SPA_PARAM_Props,                
        SPA_PARAM_EnumFormat,           
        SPA_PARAM_Format,               
        SPA_PARAM_Buffers,              
        SPA_PARAM_Meta,                 
        SPA_PARAM_IO,                   
        SPA_PARAM_EnumProfile,          
        SPA_PARAM_Profile,              
        SPA_PARAM_EnumPortConfig,       
        SPA_PARAM_PortConfig,           
        SPA_PARAM_EnumRoute,            
        SPA_PARAM_Route,                
        SPA_PARAM_Control,              
        SPA_PARAM_Latency,              
        SPA_PARAM_ProcessLatency,       
};
 
struct spa_param_info {
        uint32_t id;                    
#define SPA_PARAM_INFO_SERIAL           (1<<0)  
#define SPA_PARAM_INFO_READ             (1<<1)
#define SPA_PARAM_INFO_WRITE            (1<<2)
#define SPA_PARAM_INFO_READWRITE        (SPA_PARAM_INFO_WRITE|SPA_PARAM_INFO_READ)
        uint32_t flags;
        uint32_t user;                  
        uint32_t padding[5];
};
 
#define SPA_PARAM_INFO(id,flags) ((struct spa_param_info){ (id), (flags) })
 
enum spa_param_buffers {
        SPA_PARAM_BUFFERS_START,
        SPA_PARAM_BUFFERS_buffers,      
        SPA_PARAM_BUFFERS_blocks,       
        SPA_PARAM_BUFFERS_size,         
        SPA_PARAM_BUFFERS_stride,       
        SPA_PARAM_BUFFERS_align,        
        SPA_PARAM_BUFFERS_dataType,     
};
 
enum spa_param_meta {
        SPA_PARAM_META_START,
        SPA_PARAM_META_type,    
        SPA_PARAM_META_size,    
};
 
enum spa_param_io {
        SPA_PARAM_IO_START,
        SPA_PARAM_IO_id,        
        SPA_PARAM_IO_size,      
};
 
enum spa_param_availability {
        SPA_PARAM_AVAILABILITY_unknown, 
        SPA_PARAM_AVAILABILITY_no,      
        SPA_PARAM_AVAILABILITY_yes,     
};
 
enum spa_param_profile {
        SPA_PARAM_PROFILE_START,
        SPA_PARAM_PROFILE_index,        
        SPA_PARAM_PROFILE_name,         
        SPA_PARAM_PROFILE_description,  
        SPA_PARAM_PROFILE_priority,     
        SPA_PARAM_PROFILE_available,    
        SPA_PARAM_PROFILE_info,         
        SPA_PARAM_PROFILE_classes,      
        SPA_PARAM_PROFILE_save,         
};
 
enum spa_param_port_config_mode {
        SPA_PARAM_PORT_CONFIG_MODE_none,        
        SPA_PARAM_PORT_CONFIG_MODE_passthrough, 
        SPA_PARAM_PORT_CONFIG_MODE_convert,     
        SPA_PARAM_PORT_CONFIG_MODE_dsp,         
};
 
enum spa_param_port_config {
        SPA_PARAM_PORT_CONFIG_START,
        SPA_PARAM_PORT_CONFIG_direction,        
        SPA_PARAM_PORT_CONFIG_mode,             
        SPA_PARAM_PORT_CONFIG_monitor,          
        SPA_PARAM_PORT_CONFIG_control,          
        SPA_PARAM_PORT_CONFIG_format,           
};
 
enum spa_param_route {
        SPA_PARAM_ROUTE_START,
        SPA_PARAM_ROUTE_index,                  
        SPA_PARAM_ROUTE_direction,              
        SPA_PARAM_ROUTE_device,                 
        SPA_PARAM_ROUTE_name,                   
        SPA_PARAM_ROUTE_description,            
        SPA_PARAM_ROUTE_priority,               
        SPA_PARAM_ROUTE_available,              
        SPA_PARAM_ROUTE_info,                   
        SPA_PARAM_ROUTE_profiles,               
        SPA_PARAM_ROUTE_props,                  
        SPA_PARAM_ROUTE_devices,                
        SPA_PARAM_ROUTE_profile,                
        SPA_PARAM_ROUTE_save,                   
};
 
 
enum spa_param_latency {
        SPA_PARAM_LATENCY_START,
        SPA_PARAM_LATENCY_direction,            
        SPA_PARAM_LATENCY_minQuantum,           
        SPA_PARAM_LATENCY_maxQuantum,           
        SPA_PARAM_LATENCY_minRate,              
        SPA_PARAM_LATENCY_maxRate,              
        SPA_PARAM_LATENCY_minNs,                
        SPA_PARAM_LATENCY_maxNs,                
};
 
enum spa_param_process_latency {
        SPA_PARAM_PROCESS_LATENCY_START,
        SPA_PARAM_PROCESS_LATENCY_quantum,      
        SPA_PARAM_PROCESS_LATENCY_rate,         
        SPA_PARAM_PROCESS_LATENCY_ns,           
};
 
enum spa_param_bitorder {
        SPA_PARAM_BITORDER_unknown,     
        SPA_PARAM_BITORDER_msb,         
        SPA_PARAM_BITORDER_lsb,         
};
 
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif /* SPA_PARAM_H */