mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
113 lines
4.8 KiB
C
113 lines
4.8 KiB
C
/* Simple Plugin API
|
|
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __SPA_COMMAND_NODE_H__
|
|
#define __SPA_COMMAND_NODE_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <spa/type-map.h>
|
|
#include <spa/command.h>
|
|
|
|
#define SPA_TYPE_COMMAND__Node SPA_TYPE_COMMAND_BASE "Node"
|
|
#define SPA_TYPE_COMMAND_NODE_BASE SPA_TYPE_COMMAND__Node ":"
|
|
|
|
#define SPA_TYPE_COMMAND_NODE__Pause SPA_TYPE_COMMAND_NODE_BASE "Pause"
|
|
#define SPA_TYPE_COMMAND_NODE__Start SPA_TYPE_COMMAND_NODE_BASE "Start"
|
|
#define SPA_TYPE_COMMAND_NODE__Flush SPA_TYPE_COMMAND_NODE_BASE "Flush"
|
|
#define SPA_TYPE_COMMAND_NODE__Drain SPA_TYPE_COMMAND_NODE_BASE "Drain"
|
|
#define SPA_TYPE_COMMAND_NODE__Marker SPA_TYPE_COMMAND_NODE_BASE "Marker"
|
|
#define SPA_TYPE_COMMAND_NODE__ClockUpdate SPA_TYPE_COMMAND_NODE_BASE "ClockUpdate"
|
|
|
|
typedef struct {
|
|
uint32_t Pause;
|
|
uint32_t Start;
|
|
uint32_t Flush;
|
|
uint32_t Drain;
|
|
uint32_t Marker;
|
|
uint32_t ClockUpdate;
|
|
} SpaTypeCommandNode;
|
|
|
|
static inline void
|
|
spa_type_command_node_map (SpaTypeMap *map, SpaTypeCommandNode *type)
|
|
{
|
|
if (type->Pause == 0) {
|
|
type->Pause = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__Pause);
|
|
type->Start = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__Start);
|
|
type->Flush = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__Flush);
|
|
type->Drain = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__Drain);
|
|
type->Marker = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__Marker);
|
|
type->ClockUpdate = spa_type_map_get_id (map, SPA_TYPE_COMMAND_NODE__ClockUpdate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* SpaCommandNodeClockUpdate:
|
|
* @change_mask: marks which fields are updated
|
|
* @rate: the number of @ticks per second
|
|
* @ticks: the new ticks, when @change_mask = 1<<0
|
|
* @monotonic_time: the new monotonic time in nanoseconds associated with
|
|
* @ticks, when @change_mask = 1<<0
|
|
* @offset: the difference between the time when this update was generated
|
|
* and @monotonic_time in nanoseconds
|
|
* @scale: update to the speed stored as Q16.16, @change_mask = 1<<1
|
|
* @state: the new clock state, when @change_mask = 1<<2
|
|
*/
|
|
typedef struct {
|
|
SpaPODObjectBody body;
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_TIME (1 << 0)
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_SCALE (1 << 1)
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_STATE (1 << 2)
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_LATENCY (1 << 3)
|
|
SpaPODInt change_mask SPA_ALIGNED (8);
|
|
SpaPODInt rate SPA_ALIGNED (8);
|
|
SpaPODLong ticks SPA_ALIGNED (8);
|
|
SpaPODLong monotonic_time SPA_ALIGNED (8);
|
|
SpaPODLong offset SPA_ALIGNED (8);
|
|
SpaPODInt scale SPA_ALIGNED (8);
|
|
SpaPODInt state SPA_ALIGNED (8);
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_FLAG_LIVE (1 << 0)
|
|
SpaPODInt flags SPA_ALIGNED (8);
|
|
SpaPODLong latency SPA_ALIGNED (8);
|
|
} SpaCommandNodeClockUpdateBody;
|
|
|
|
typedef struct {
|
|
SpaPOD pod;
|
|
SpaCommandNodeClockUpdateBody body;
|
|
} SpaCommandNodeClockUpdate;
|
|
|
|
#define SPA_COMMAND_NODE_CLOCK_UPDATE_INIT(type,change_mask,rate,ticks,monotonic_time,offset,scale,state,flags,latency) \
|
|
SPA_COMMAND_INIT_COMPLEX (sizeof (SpaCommandNodeClockUpdateBody), type, \
|
|
SPA_POD_INT_INIT (change_mask), \
|
|
SPA_POD_INT_INIT (rate), \
|
|
SPA_POD_LONG_INIT (ticks), \
|
|
SPA_POD_LONG_INIT (monotonic_time), \
|
|
SPA_POD_LONG_INIT (offset), \
|
|
SPA_POD_INT_INIT (scale), \
|
|
SPA_POD_INT_INIT (state), \
|
|
SPA_POD_INT_INIT (flags), \
|
|
SPA_POD_LONG_INIT (latency))
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* __SPA_COMMAND_NODE_H__ */
|