player.c File Reference

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Detailed Description

Player.

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 * $Log$
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Definition in file player.c.

#include <cfg/os.h>
#include <cfg/clock.h>
#include <dev/board.h>
#include <sys/timer.h>
#include <sys/event.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "tlv320dac.h"
#include "receiver.h"
#include "mp3player.h"

Include dependency graph for player.c:

Go to the source code of this file.

Functions
PLAYERINFO *	PlayerCreate (PLAYERPLUGIN *plugin)
	Create a player instance.
static int	PlayerPlugInControl (PLAYERINFO *pip, u_int sst, u_int xst)
	Set player to a specified state.
u_int	PlayerStatus (PLAYERINFO *pip)
	Retrieve the current player status.
int	PlayerStop (PLAYERINFO *pip)
	Stop player.
int	PlayerStart (PLAYERINFO *pip, RECEIVERINFO *rip)
	Start playing a specified receiver.

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Function Documentation

PLAYERINFO* PlayerCreate (  PLAYERPLUGIN *  plugin  )

Create a player instance. Parameters: plugin  Pointer to a player plug-in. Returns: On success, the pointer to a PLAYERINFO structure is returned. A NULL pointer indicates an error. Definition at line 66 of file player.c. { PLAYERINFO *pip; /* Allocate and initialize the player info structure. */ if ((pip = malloc(sizeof(PLAYERINFO))) != NULL) { memset(pip, 0, sizeof(PLAYERINFO)); /* Associate a new player plug-in instance. */ if ((*plugin->pp_create) (pip)) { free(pip); pip = NULL; } } return pip;

static int PlayerPlugInControl (  PLAYERINFO *  pip, u_int  sst, u_int  xst )  [static]

Set player to a specified state. Parameters: pip  Pointer to a player info structure, obtained by a previous call to PlayerCreate(). sst  Status to set, typically PSTAT_START or PSTAT_STOP. xst  Status to wait for, like PSTAT_IDLE or PSTAT_RUNNING. Returns: 0 on success, -1 otherwise. Definition at line 92 of file player.c. { int retries = 10; /* Loop until we got the status or give up on too many retires. */ while (pip->pi_status != xst) { pip->pi_status = sst; NutEventPost(&pip->pi_cmdevt); if (NutEventWait(&pip->pi_stsevt, 500)) { if (retries-- <= 0) { printf("No player control\n"); return -1; } } } return 0;

u_int PlayerStatus (  PLAYERINFO *  pip  )

Retrieve the current player status. Parameters: pip  Pointer to a player info structure, obtained by a previous call to PlayerCreate(). Returns: Player status. Definition at line 118 of file player.c. { return pip->pi_status;

int PlayerStop (  PLAYERINFO *  pip  )

Stop player. Parameters: pip  Player to stop. Pointer to a player info structure, obtained by a previous call to PlayerCreate(). Returns: 0 on success, -1 otherwise. Definition at line 131 of file player.c. Referenced by CgiControl(). { printf("[PSTOP]"); return PlayerPlugInControl(pip, PSTAT_STOP, PSTAT_IDLE);

int PlayerStart (  PLAYERINFO *  pip, RECEIVERINFO *  rip )

Start playing a specified receiver. Parameters: pip  Player to start. Pointer to a player info structure, obtained by a previous call to PlayerCreate(). rip  Receiver to play. Returns: 0 on success, -1 otherwise. Definition at line 146 of file player.c. { if (PlayerStop(pip)) { return -1; } printf("[PSTART]"); pip->pi_rcvr = rip; return PlayerPlugInControl(pip, PSTAT_START, PSTAT_RUNNING);

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