Buffers

Buffer handling. More...

Files
file	buffers.h
	pipewire/buffers.h

Data Structures
struct	pw_buffers

Macros
#define	PW_BUFFERS_FLAG_NONE   0
#define	PW_BUFFERS_FLAG_NO_MEM   (1<<0)
	don't allocate buffer memory
#define	PW_BUFFERS_FLAG_SHARED   (1<<1)
	buffers can be shared
#define	PW_BUFFERS_FLAG_DYNAMIC   (1<<2)
	buffers have dynamic data
#define	PW_BUFFERS_FLAG_SHARED_MEM   (1<<3)
	buffers need shared memory
#define	PW_BUFFERS_FLAG_IN_PRIORITY   (1<<4)
	input parameters have priority
#define	PW_BUFFERS_FLAG_ASYNC   (1<<5)
	one of the nodes is async

Functions
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)
void	pw_buffers_clear (struct pw_buffers *buffers)

Detailed Description

Buffer handling.

Macro Definition Documentation

PW_BUFFERS_FLAG_NONE

#define PW_BUFFERS_FLAG_NONE   0

PW_BUFFERS_FLAG_NO_MEM

#define PW_BUFFERS_FLAG_NO_MEM   (1<<0)

don't allocate buffer memory

PW_BUFFERS_FLAG_SHARED

#define PW_BUFFERS_FLAG_SHARED   (1<<1)

buffers can be shared

PW_BUFFERS_FLAG_DYNAMIC

#define PW_BUFFERS_FLAG_DYNAMIC   (1<<2)

buffers have dynamic data

PW_BUFFERS_FLAG_SHARED_MEM

#define PW_BUFFERS_FLAG_SHARED_MEM   (1<<3)

buffers need shared memory

PW_BUFFERS_FLAG_IN_PRIORITY

#define PW_BUFFERS_FLAG_IN_PRIORITY   (1<<4)

input parameters have priority

PW_BUFFERS_FLAG_ASYNC

#define PW_BUFFERS_FLAG_ASYNC   (1<<5)

one of the nodes is async

Function Documentation

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
	)

pw_buffers_clear()

void pw_buffers_clear

(

struct pw_buffers *

buffers

)