PipeWire: pipewire/buffers.h Source File

PipeWire 1.2.5

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buffers.h
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1/* PipeWire */
2/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef PIPEWIRE_BUFFERS_H
6#define PIPEWIRE_BUFFERS_H
7
8#include <spa/node/node.h>
9
10#include <pipewire/context.h>
11#include <pipewire/mem.h>
12
13#ifdef __cplusplus
14extern "C" {
15#endif
16
26#define PW_BUFFERS_FLAG_NONE 0
27#define PW_BUFFERS_FLAG_NO_MEM (1<<0)
28#define PW_BUFFERS_FLAG_SHARED (1<<1)
29#define PW_BUFFERS_FLAG_DYNAMIC (1<<2)
30#define PW_BUFFERS_FLAG_SHARED_MEM (1<<3)
31#define PW_BUFFERS_FLAG_IN_PRIORITY (1<<4)
32#define PW_BUFFERS_FLAG_ASYNC (1<<5)
34struct pw_buffers {
35 struct pw_memblock *mem;
36 struct spa_buffer **buffers;
37 uint32_t n_buffers;
38 uint32_t flags;
39};
40
41 int pw_buffers_negotiate(struct pw_context *context, uint32_t flags,
42 struct spa_node *outnode, uint32_t out_port_id,
43 struct spa_node *innode, uint32_t in_port_id,
44 struct pw_buffers *result);
45
46 void pw_buffers_clear(struct pw_buffers *buffers);
47
52#ifdef __cplusplus
53}
54#endif
55
56#endif /* PIPEWIRE_BUFFERS_H */
pw_buffers_negotiate
int pw_buffers_negotiate(struct pw_context *context, uint32_t flags, struct spa_node *outnode, uint32_t out_port_id, struct spa_node *innode, uint32_t in_port_id, struct pw_buffers *result)
Definition buffers.c:182
pw_buffers_clear
void pw_buffers_clear(struct pw_buffers *buffers)
Definition buffers.c:350
node.h
spa/node/node.h
context.h
pipewire/context.h
mem.h
pipewire/mem.h
pw_buffers
Definition buffers.h:45
pw_buffers::flags
uint32_t flags
flags
Definition buffers.h:49
pw_buffers::n_buffers
uint32_t n_buffers
number of port buffers
Definition buffers.h:48
pw_buffers::buffers
struct spa_buffer ** buffers
port buffers
Definition buffers.h:47
pw_buffers::mem
struct pw_memblock * mem
allocated buffer memory
Definition buffers.h:46
pw_context
pw_memblock
Memory block structure.
Definition mem.h:64
spa_buffer
A Buffer.
Definition buffer.h:100
spa_node
Definition node.h:41