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https://github.com/mpv-player/mpv
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49d1b42f70
This turned out ridiculously complex. I think it will have to be simplified some day. Main reason for the complexity are: - filtering properties by forcing clients to observe individual properties explicitly (to avoid spamming clients with changes they don't want) - optional retrieval of property value with the notification (the basic idea was that this is more user friendly) - allowing to the client to specify a format in which the value should be retrieved (because if a property changes its type, the client API couldn't convert it properly, and compatibility would break) I don't know yet which of these are important, and everything could change. In particular, the interface and semantics should be adjusted to reduce the implementation complexity. While I consider the API complete, there could (and probably will) be bugs left. Also while the implementation is complete, it's inefficient. The complexity of the property matching is O(a*b*c) with a clients, b observed properties, and c properties changing at once. I threw away an earlier implementation using bitmasks, because it was too unwieldy.
26 lines
740 B
C
26 lines
740 B
C
#ifndef MP_CLIENT_H_
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#define MP_CLIENT_H_
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#include <stdint.h>
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#include "libmpv/client.h"
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struct MPContext;
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struct mpv_handle;
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struct mp_client_api;
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struct mp_log;
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void mp_clients_init(struct MPContext *mpctx);
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void mp_clients_destroy(struct MPContext *mpctx);
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int mp_clients_num(struct MPContext *mpctx);
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void mp_client_broadcast_event(struct MPContext *mpctx, int event, void *data);
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int mp_client_send_event(struct MPContext *mpctx, const char *client_name,
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int event, void *data);
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void mp_client_property_change(struct MPContext *mpctx, const char **list);
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struct mpv_handle *mp_new_client(struct mp_client_api *clients, const char *name);
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struct mp_log *mp_client_get_log(struct mpv_handle *ctx);
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#endif
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