PipeWire  0.3.80
src/pipewire/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
14 extern "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)
34 struct 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 */
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:215
void pw_buffers_clear(struct pw_buffers *buffers)
Definition: buffers.c:345
spa/node/node.h
pipewire/context.h
pipewire/mem.h
Definition: src/pipewire/buffers.h:45
uint32_t flags
flags
Definition: src/pipewire/buffers.h:49
uint32_t n_buffers
number of port buffers
Definition: src/pipewire/buffers.h:48
struct spa_buffer ** buffers
port buffers
Definition: src/pipewire/buffers.h:47
struct pw_memblock * mem
allocated buffer memory
Definition: src/pipewire/buffers.h:46
Memory block structure.
Definition: src/pipewire/mem.h:63
A Buffer.
Definition: buffer/buffer.h:90
Definition: spa/include/spa/node/node.h:41