Visualization

Feeds playing data in various forms to the client. More...

Data Structures
struct	xmmsc_vischunk_t
	Package format for vis data, encapsulated by unixshm or udp transport. More...
struct	xmmsc_vis_udp_data_t
	UDP package descriptor to deliver a vis chunk. More...
struct	xmmsc_vis_udp_timing_t
	UDP package descriptor to synchronize time. More...
struct	xmmsc_vis_properties_t
	Properties of the delivered vis data. More...
struct	xmmsc_vis_unixshm_t
	data describing a unixshm transport More...
struct	xmmsc_vis_udp_t
	data describing a udp transport More...

Macros
#define	XMMSC_VISUALIZATION_WINDOW_SIZE   512
#define	XMMS_VISPACKET_VERSION   1
#define	XMMS_VISPACKET_SHMCOUNT   500
#define	XMMSC_VIS_UNALIGNED_WRITE(dst, src, typ)
#define	XMMSC_VIS_UNALIGNED_READ(dst, src, typ)
#define	XMMS_VISPACKET_UDP_OFFSET   (1 + sizeof (uint16_t))

Enumerations
enum	xmmsc_vis_data_t { VIS_PCM , VIS_SPECTRUM , VIS_PEAK }
	Possible data modes. More...
enum	xmmsc_vis_transport_t { VIS_UNIXSHM , VIS_UDP , VIS_NONE }
	Possible vis transports. More...
enum	xmmsc_vis_state_t {   VIS_NEW , VIS_TRYING_UNIXSHM , VIS_TO_TRY_UDP , VIS_TRYING_UDP ,   VIS_ERRORED , VIS_WORKING }

Functions
xmms_vis_client_t *	get_client (int32_t id)
void	delete_client (int32_t id)
xmms_visualization_t *	xmms_visualization_new (xmms_output_t *output)
	Initialize the Vis module.
void	send_data (int channels, int size, short *buf)
double	tv2ts (struct timeval *t)
double	net2ts (int32_t *s)
void	ts2net (int32_t *d, double t)
void	tv2net (int32_t *d, struct timeval *t)
char *	packet_init_data (xmmsc_vis_udp_data_t *p)
char *	packet_init_timing (xmmsc_vis_udp_timing_t *p)

Detailed Description

Feeds playing data in various forms to the client.

Common structs for the visualization client and server.

Macro Definition Documentation

XMMS_VISPACKET_SHMCOUNT

#define XMMS_VISPACKET_SHMCOUNT   500

XMMS_VISPACKET_UDP_OFFSET

#define XMMS_VISPACKET_UDP_OFFSET   (1 + sizeof (uint16_t))

Referenced by write_udp().

XMMS_VISPACKET_VERSION

#define XMMS_VISPACKET_VERSION   1

XMMSC_VIS_UNALIGNED_READ

#define XMMSC_VIS_UNALIGNED_READ	(		dst,
			src,
			typ )

Value:

    do {    \
    typ *__s = (src);                   \
    memcpy (&(dst), __s, sizeof (typ));         \
  } while (0)

XMMSC_VIS_UNALIGNED_WRITE

#define XMMSC_VIS_UNALIGNED_WRITE	(		dst,
			src,
			typ )

Value:

    do {    \
    typ *__d = (dst);                   \
    typ __s = (src);                    \
    memcpy (__d, &__s, sizeof (typ));           \
  } while (0)

Referenced by write_udp().

XMMSC_VISUALIZATION_WINDOW_SIZE

#define XMMSC_VISUALIZATION_WINDOW_SIZE   512

Enumeration Type Documentation

xmmsc_vis_data_t

enum xmmsc_vis_data_t

Possible data modes.

Enumerator
VIS_PCM
VIS_SPECTRUM
VIS_PEAK

xmmsc_vis_state_t

enum xmmsc_vis_state_t

Enumerator
VIS_NEW
VIS_TRYING_UNIXSHM
VIS_TO_TRY_UDP
VIS_TRYING_UDP
VIS_ERRORED
VIS_WORKING

xmmsc_vis_transport_t

enum xmmsc_vis_transport_t

Possible vis transports.

Enumerator
VIS_UNIXSHM
VIS_UDP
VIS_NONE

Function Documentation

delete_client()

void delete_client

(

int32_t

id

)

Referenced by write_start_shm(), and write_udp().

get_client()

xmms_vis_client_t * get_client

(

int32_t

id

)

net2ts()

double net2ts

(

int32_t *

s

)

packet_init_data()

char * packet_init_data

(

xmmsc_vis_udp_data_t *

p

)

Referenced by write_udp().

packet_init_timing()

char * packet_init_timing

(

xmmsc_vis_udp_timing_t *

p

)

send_data()

void send_data	(	int	channels,
		int	size,
		short *	buf )

ts2net()

void ts2net	(	int32_t *	d,
		double	t )

tv2net()

void tv2net	(	int32_t *	d,
		struct timeval *	t )

Referenced by write_shm().

tv2ts()

double tv2ts

(

struct timeval *

t

)

xmms_visualization_new()

xmms_visualization_t * xmms_visualization_new

(

xmms_output_t *

output

)

Initialize the Vis module.

Referenced by main().