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025c6991a3
The idea is, consumers of a tag, can check the realtime property, and if set to something other than TAG_REALTIME_NONE, schedule a realtime update. For example, it could be used to track song progress.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#pragma once
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#include <stddef.h>
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#include <stdbool.h>
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enum tag_realtime_unit {
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TAG_REALTIME_NONE,
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TAG_REALTIME_SECONDS
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};
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struct tag {
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void *private;
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void (*destroy)(struct tag *tag);
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const char *(*name)(const struct tag *tag);
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const char *(*as_string)(const struct tag *tag);
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long (*as_int)(const struct tag *tag);
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bool (*as_bool)(const struct tag *tag);
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double (*as_float)(const struct tag *tag);
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long (*min)(const struct tag *tag);
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long (*max)(const struct tag *tag);
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enum tag_realtime_unit (*realtime)(const struct tag *tag);
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};
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struct tag_set {
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struct tag **tags;
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size_t count;
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};
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struct tag *tag_new_int(const char *name, long value);
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struct tag *tag_new_int_range(const char *name, long value, long min, long max);
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struct tag *tag_new_int_realtime(const char *name, long value, long min,
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long max, enum tag_realtime_unit unit);
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struct tag *tag_new_bool(const char *name, bool value);
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struct tag *tag_new_float(const char *name, double value);
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struct tag *tag_new_string(const char *name, const char *value);
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const struct tag *tag_for_name(const struct tag_set *set, const char *name);
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void tag_set_destroy(struct tag_set *set);
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