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Cleanups

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Make events and command specific to the node
Remove some unused code
Improve state changes
Use easier fixate by just taking the element default value
Fix reuse buffer in the proxy
This commit is contained in:
Wim Taymans 2016-09-06 16:43:37 +02:00
parent ac3cd24d5c
commit 8ada6736c0
29 changed files with 686 additions and 708 deletions
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104
spa/include/spa/node-event.h Normal file
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/* 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_NODE_EVENT_H__
#define __SPA_NODE_EVENT_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _SpaNodeEvent SpaNodeEvent;
#include <spa/defs.h>
#include <spa/poll.h>
#include <spa/node.h>
/**
* SpaEventType:
* @SPA_NODE_EVENT_TYPE_INVALID: invalid event, should be ignored
* @SPA_NODE_EVENT_TYPE_PORT_ADDED: a new port is added
* @SPA_NODE_EVENT_TYPE_PORT_REMOVED: a port is removed
* @SPA_NODE_EVENT_TYPE_STATE_CHANGE: emited when the state changes
* @SPA_NODE_EVENT_TYPE_HAVE_OUTPUT: emited when an async node has output that can be pulled
* @SPA_NODE_EVENT_TYPE_NEED_INPUT: emited when more data can be pushed to an async node
* @SPA_NODE_EVENT_TYPE_REUSE_BUFFER: emited when a buffer can be reused
* @SPA_NODE_EVENT_TYPE_ADD_POLL: emited when a pollfd should be added. data points to #SpaPollItem
* @SPA_NODE_EVENT_TYPE_UPDATE_POLL: update the pollfd item
* @SPA_NODE_EVENT_TYPE_REMOVE_POLL: emited when a pollfd should be removed. data points to #SpaPollItem
* @SPA_NODE_EVENT_TYPE_DRAINED: emited when DRAIN command completed
* @SPA_NODE_EVENT_TYPE_MARKER: emited when MARK command completed
* @SPA_NODE_EVENT_TYPE_ERROR: emited when error occured
* @SPA_NODE_EVENT_TYPE_BUFFERING: emited when buffering is in progress
* @SPA_NODE_EVENT_TYPE_REQUEST_REFRESH: emited when a keyframe refresh is needed
*/
typedef enum {
SPA_NODE_EVENT_TYPE_INVALID = 0,
SPA_NODE_EVENT_TYPE_PORT_ADDED,
SPA_NODE_EVENT_TYPE_PORT_REMOVED,
SPA_NODE_EVENT_TYPE_STATE_CHANGE,
SPA_NODE_EVENT_TYPE_HAVE_OUTPUT,
SPA_NODE_EVENT_TYPE_NEED_INPUT,
SPA_NODE_EVENT_TYPE_REUSE_BUFFER,
SPA_NODE_EVENT_TYPE_ADD_POLL,
SPA_NODE_EVENT_TYPE_UPDATE_POLL,
SPA_NODE_EVENT_TYPE_REMOVE_POLL,
SPA_NODE_EVENT_TYPE_DRAINED,
SPA_NODE_EVENT_TYPE_MARKER,
SPA_NODE_EVENT_TYPE_ERROR,
SPA_NODE_EVENT_TYPE_BUFFERING,
SPA_NODE_EVENT_TYPE_REQUEST_REFRESH,
} SpaNodeEventType;
struct _SpaNodeEvent {
SpaNodeEventType type;
void *data;
size_t size;
};
typedef struct {
uint32_t port_id;
} SpaNodeEventPortAdded;
typedef struct {
uint32_t port_id;
} SpaNodeEventPortRemoved;
typedef struct {
SpaNodeState state;
} SpaNodeEventStateChange;
typedef struct {
uint32_t port_id;
} SpaNodeEventHaveOutput;
typedef struct {
uint32_t port_id;
} SpaNodeEventNeedInput;
typedef struct {
uint32_t port_id;
uint32_t buffer_id;
} SpaNodeEventReuseBuffer;
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __SPA_NODE_EVENT_H__ */