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device: improve callbacks

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Pass info structures to device callbacks to make it more extensible.
Also notify about the supported params on the device because we
can.
This commit is contained in:
Wim Taymans 2019-02-13 11:13:46 +01:00
parent 5de7898808
commit ac5ec9bbe2
7 changed files with 135 additions and 64 deletions
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42
spa/include/spa/monitor/device.h
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@ -37,6 +37,34 @@ struct spa_device;
#include <spa/pod/builder.h>
#include <spa/pod/event.h>
struct spa_device_info {
#define SPA_VERSION_DEVICE_INFO 0
uint32_t version;
#define SPA_DEVICE_CHANGE_MASK_INFO (1<<0)
#define SPA_DEVICE_CHANGE_MASK_PARAMS (1<<1)
uint64_t change_mask;
const struct spa_dict *info;
uint32_t n_params;
uint32_t *params;
};
#define SPA_DEVICE_INFO_INIT() (struct spa_device_info){ SPA_VERSION_DEVICE_INFO, }
struct spa_device_object_info {
#define SPA_VERSION_DEVICE_OBJECT_INFO 0
uint32_t version;
uint32_t type;
const struct spa_handle_factory *factory;
#define SPA_DEVICE_OBJECT_CHANGE_MASK_INFO (1<<0)
uint64_t change_mask;
const struct spa_dict *info;
};
#define SPA_DEVICE_OBJECT_INFO_INIT() (struct spa_device_object_info){ SPA_VERSION_DEVICE_OBJECT_INFO, }
/**
* spa_device_callbacks:
*/
@ -45,18 +73,16 @@ struct spa_device_callbacks {
#define SPA_VERSION_DEVICE_CALLBACKS 0
uint32_t version;
/**< notify extra information about the device */
void (*info) (void *data, const struct spa_dict *info);
/** notify extra information about the device */
void (*info) (void *data, const struct spa_device_info *info);
/** a device event */
void (*event) (void *data, struct spa_event *event);
/**< add a new object managed by the device */
void (*add) (void *data, uint32_t id,
const struct spa_handle_factory *factory, uint32_t type,
const struct spa_dict *info);
/**< remove an object */
void (*remove) (void *data, uint32_t id);
/** info changed for an object managed by the device, info is NULL when
* the object is removed */
void (*object_info) (void *data, uint32_t id,
const struct spa_device_object_info *info);
};
/**