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78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/* Simple Plugin API
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __SPA_EVENT_H__
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#define __SPA_EVENT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _SpaEvent SpaEvent;
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#include <spa/defs.h>
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#include <spa/poll.h>
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/**
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* SpaEventType:
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* @SPA_EVENT_TYPE_INVALID: invalid event, should be ignored
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* @SPA_EVENT_TYPE_STARTED: emited when the START command completes
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* @SPA_EVENT_TYPE_STOPPED: emited when the STOP command completes
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* @SPA_EVENT_TYPE_CAN_PULL_OUTPUT: emited when an async node has output that can be pulled
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* @SPA_EVENT_TYPE_CAN_PUSH_INPUT: emited when more data can be pushed to an async node
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* @SPA_EVENT_TYPE_PULL_INPUT: emited when data needs to be provided on an input. data points to
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* buffer to fill.
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* @SPA_EVENT_TYPE_ALLOC_OUTPUT: emited when an output buffer needs to be allocated
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* @SPA_EVENT_TYPE_ADD_POLL: emited when a pollfd should be added. data points to #SpaPollItem
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* @SPA_EVENT_TYPE_REMOVE_POLL: emited when a pollfd should be removed. data points to #SpaPollItem
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* @SPA_EVENT_TYPE_DRAINED: emited when DRAIN command completed
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* @SPA_EVENT_TYPE_MARKER: emited when MARK command completed
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* @SPA_EVENT_TYPE_ERROR: emited when error occured
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* @SPA_EVENT_TYPE_BUFFERING: emited when buffering is in progress
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*/
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typedef enum {
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SPA_EVENT_TYPE_INVALID = 0,
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SPA_EVENT_TYPE_STARTED,
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SPA_EVENT_TYPE_STOPPED,
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SPA_EVENT_TYPE_CAN_PULL_OUTPUT,
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SPA_EVENT_TYPE_CAN_PUSH_INPUT,
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SPA_EVENT_TYPE_PULL_INPUT,
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SPA_EVENT_TYPE_ALLOC_OUTPUT,
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SPA_EVENT_TYPE_ADD_POLL,
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SPA_EVENT_TYPE_REMOVE_POLL,
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SPA_EVENT_TYPE_DRAINED,
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SPA_EVENT_TYPE_MARKER,
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SPA_EVENT_TYPE_ERROR,
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SPA_EVENT_TYPE_BUFFERING,
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} SpaEventType;
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struct _SpaEvent {
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volatile int refcount;
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SpaNotify notify;
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SpaEventType type;
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uint32_t port_id;
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void *data;
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size_t size;
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};
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* __SPA_EVENT_H__ */
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