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clock: remove clock interface

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Remove the clock interface, we need to get timing information with an io
area to get the required precision and performance.
This commit is contained in:
Wim Taymans 2018-07-17 09:50:51 +02:00
parent 83bb8dc599
commit fba00fb791
22 changed files with 31 additions and 516 deletions
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127
spa/include/spa/clock/clock.h
View file

@ -1,127 +0,0 @@
/* 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_CLOCK_H__
#define __SPA_CLOCK_H__
#ifdef __cplusplus
extern "C" {
#endif
#define SPA_TYPE__Clock SPA_TYPE_INTERFACE_BASE "Clock"
#define SPA_TYPE_CLOCK_BASE SPA_TYPE__Clock ":"
/** The state of the clock */
enum spa_clock_state {
SPA_CLOCK_STATE_STOPPED, /*< the clock is stopped */
SPA_CLOCK_STATE_PAUSED, /*< the clock is paused */
SPA_CLOCK_STATE_RUNNING, /*< the clock is running */
};
#include <spa/utils/defs.h>
#include <spa/pod/builder.h>
/**
* A time provider.
*/
struct spa_clock {
/* the version of this clock. This can be used to expand this
* structure in the future */
#define SPA_VERSION_CLOCK 0
uint32_t version;
/** extra clock information */
const struct spa_dict *info;
/** The current state of the clock */
enum spa_clock_state state;
/**
* Get the parameters of \a clock.
*
* The returned \a props is a snapshot of the current configuration and
* can be modified. The modifications will take effect after a call
* to set_props.
*
* \param clock a spa_clock
* \param id the paramter id to enumerate
* \param index state while iterating, 0 for the first param
* \param param result parameter
* \param builder builder for \a param
* \return 1 on success
* 0 when no more items are available
* -EINVAL when invalid parameters are provided
* -ENOTSUP when there are no parameters
* implemented on \a clock
* -ENOENT when the param with id is not supported
*/
int (*enum_params) (struct spa_clock *clock,
uint32_t id, uint32_t *index,
struct spa_pod **param,
struct spa_pod_builder *builder);
/**
* Set the configurable properties in \a clock.
*
* Usually, \a props will be obtained from spa_clock::get_props and then
* modified but it is also possible to set another #struct spa_props object
* as long as its keys and types match those of struct spa_props::get_props.
*
* Properties with keys that are not known are ignored.
*
* If \a props is NULL, all the properties are reset to their defaults.
*
* \param clock a spa_clock
* \param id the paramter id to configure
* \param flags extra parameter flags
* \param param the parameter to configure
* \return 0 on success
* -EINVAL when invalid parameters are provided
* -ENOTSUP when no parameters can be
* modified on \a clock.
* -ENOENT when the param with id is not supported
*/
int (*set_param) (struct spa_clock *clock,
uint32_t id, uint32_t flags,
const struct spa_pod *param);
/** Get the time of \a clock
*
* Get an atomic snapshot between the time of the monotonic clock and
* the clock specific time expressed in ticks.
*
* \param clock the clock
* \param rate result rate. This is the number of ticks per second
* \param ticks result number of ticks. There are \a rate ticks per second.
* \param monotonic_time the time of the monotonic clock when \a ticks was
* obtained.
*/
int (*get_time) (struct spa_clock *clock,
int32_t *rate,
int64_t *ticks,
int64_t *monotonic_time);
};
#define spa_clock_enum_params(n,...) (n)->enum_params((n),__VA_ARGS__)
#define spa_clock_set_param(n,...) (n)->set_param((n),__VA_ARGS__)
#define spa_clock_get_time(n,...) (n)->get_time((n),__VA_ARGS__)
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __SPA_CLOCK_H__ */

7
spa/include/spa/meson.build
View file

@ -6,13 +6,6 @@ spa_buffer_headers = [
install_headers(spa_buffer_headers,
subdir : 'spa/buffer')
spa_clock_headers = [
'clock/clock.h',
]
install_headers(spa_clock_headers,
subdir : 'spa/clock')
spa_graph_headers = [
'graph/graph.h',
]

25
spa/include/spa/node/event.h
View file

@ -35,13 +35,11 @@ extern "C" {
#define SPA_TYPE_EVENT_NODE__Error SPA_TYPE_EVENT_NODE_BASE "Error"
#define SPA_TYPE_EVENT_NODE__Buffering SPA_TYPE_EVENT_NODE_BASE "Buffering"
#define SPA_TYPE_EVENT_NODE__RequestRefresh SPA_TYPE_EVENT_NODE_BASE "RequestRefresh"
#define SPA_TYPE_EVENT_NODE__RequestClockUpdate SPA_TYPE_EVENT_NODE_BASE "RequestClockUpdate"
struct spa_type_event_node {
uint32_t Error;
uint32_t Buffering;
uint32_t RequestRefresh;
uint32_t RequestClockUpdate;
};
static inline void
@ -51,32 +49,9 @@ spa_type_event_node_map(struct spa_type_map *map, struct spa_type_event_node *ty
type->Error = spa_type_map_get_id(map, SPA_TYPE_EVENT_NODE__Error);
type->Buffering = spa_type_map_get_id(map, SPA_TYPE_EVENT_NODE__Buffering);
type->RequestRefresh = spa_type_map_get_id(map, SPA_TYPE_EVENT_NODE__RequestRefresh);
type->RequestClockUpdate = spa_type_map_get_id(map, SPA_TYPE_EVENT_NODE__RequestClockUpdate);
}
}
struct spa_event_node_request_clock_update_body {
struct spa_pod_object_body body;
#define SPA_EVENT_NODE_REQUEST_CLOCK_UPDATE_TIME (1 << 0)
#define SPA_EVENT_NODE_REQUEST_CLOCK_UPDATE_SCALE (1 << 1)
#define SPA_EVENT_NODE_REQUEST_CLOCK_UPDATE_STATE (1 << 2)
struct spa_pod_int update_mask SPA_ALIGNED(8);
struct spa_pod_long timestamp SPA_ALIGNED(8);
struct spa_pod_long offset SPA_ALIGNED(8);
};
struct spa_event_node_request_clock_update {
struct spa_pod pod;
struct spa_event_node_request_clock_update_body body;
};
#define SPA_EVENT_NODE_REQUEST_CLOCK_UPDATE_INIT(type,update_mask,timestamp,offset) \
SPA_EVENT_INIT_FULL(struct spa_event_node_request_clock_update, \
sizeof(struct spa_event_node_request_clock_update_body), type, \
SPA_POD_INT_INIT(update_mask), \
SPA_POD_LONG_INIT(timestamp), \
SPA_POD_LONG_INIT(offset))
#ifdef __cplusplus
} /* extern "C" */
#endif

12
spa/include/spa/node/io.h
View file

@ -41,6 +41,9 @@ extern "C" {
/** An io area to exchange buffers with a port */
#define SPA_TYPE_IO__Buffers SPA_TYPE_IO_BASE "Buffers"
/** IO area with clock information */
#define SPA_TYPE_IO__Clock SPA_TYPE_IO_BASE "Clock"
/** Buffers IO area
*
* IO information for a port on a node. This is allocated
@ -69,10 +72,18 @@ struct spa_io_control_range {
uint32_t max_size; /**< maximum size of data */
};
/** A time source */
struct spa_io_clock {
uint64_t nsec; /**< time in nanoseconds */
struct spa_fraction rate; /**< rate */
uint32_t position; /**< current position expressed in rate */
};
struct spa_type_io {
uint32_t Buffers;
uint32_t ControlRange;
uint32_t Prop;
uint32_t Clock;
};
static inline void spa_type_io_map(struct spa_type_map *map, struct spa_type_io *type)
@ -81,6 +92,7 @@ static inline void spa_type_io_map(struct spa_type_map *map, struct spa_type_io
type->Buffers = spa_type_map_get_id(map, SPA_TYPE_IO__Buffers);
type->ControlRange = spa_type_map_get_id(map, SPA_TYPE_IO_CONTROL__Range);
type->Prop = spa_type_map_get_id(map, SPA_TYPE_IO__Prop);
type->Clock = spa_type_map_get_id(map, SPA_TYPE_IO__Clock);
}
}