seb_mikmod.c~

/*
    SEB MikMod encapsulation
    seb_mikmod.c
*/

#include "common.h"
#include "seb_mikmod.h"

static int si_done = 0;
static int si_thread_id = -1;
static MODULE *sm_mod = NULL;
static int  si_initialized = false;

extern int _mm_errno;
extern BOOL _mm_critical;
extern char *_mm_errmsg[];

void smm_error_handler (void)
{
	pspDebugScreenPrintf ("_mm_critical %d\n", MikMod_critical);
	pspDebugScreenPrintf ("_mm_errno %d\n", MikMod_errno);
	pspDebugScreenPrintf ("%s\n", MikMod_strerror(MikMod_errno));

	return;
}

static int smm_audio_channel_thread (int args, void *argp)
{
    while (!si_done)
    {
        MikMod_Update ();
        sceKernelDelayThread (1);
    }
    return (0);
}

int SMM_Init (void) 
{
    if (si_initialized == true)
    {
        pspDebugScreenPrintf ("MikMod already initialized\n");
        return 1;
    }

	if (MikMod_InitThreads ())
    {
        pspDebugScreenPrintf ("MikMod thread init failed\n");
        return -1;
    }
	MikMod_RegisterErrorHandler (smm_error_handler);
    MikMod_RegisterAllDrivers ();
    MikMod_RegisterAllLoaders ();

    /* initialize the library */
	md_mode = DMODE_16BITS | DMODE_STEREO | DMODE_SOFT_SNDFX | DMODE_SOFT_MUSIC; 
	md_reverb = 0;
	md_pansep = 128;
    if (MikMod_Init (""))
    {
        pspDebugScreenPrintf ("Could not initialize sound, reason: %s\n", MikMod_strerror (MikMod_errno));
        return -2;
    }
  
    MikMod_SetNumVoices (-1, 8);
	/* get ready to play */
    MikMod_EnableOutput ();

    si_initialized = true;
    return 0;
}

int SMM_PlayMOD (char *pc_file_name)
{
    if (si_initialized == false)
    {
        //pspDebugScreenPrintf ("MikMod library not initialized\n");
        return -1;
    }

    // create mikmod update thread
    if ((si_thread_id = sceKernelCreateThread ("MikMod", (void*)&smm_audio_channel_thread, 0x12, 0x10000, 0, NULL)) > 0)
    {
        sceKernelStartThread (si_thread_id, 0 , NULL);
    }
    else
    {
        //pspDebugScreenPrintf ("Play thread create failed!\n");
        return -2;
    }
    
    // max_chan is hardcoded to 128
    sm_mod = Player_Load (pc_file_name, 128, 0);
    if (sm_mod != NULL)
    {
        sm_mod->wrap = 1;
        Player_Start (sm_mod);
    }
    else
    {
        pspDebugScreenPrintf ("Loading MOD file %s failed!\n", pc_file_name);
        return -3;
    }
    return 0;
}

void SMM_Stop (void)
{
    if (si_initialized == false)
    {
        pspDebugScreenPrintf ("MikMod library not initialized\n");
        return;
    }

    // allow audio thread to terminate cleanly
    si_done = true;
    if (si_thread_id > 0)
    {
        SceUInt timeout = 100000;
        sceKernelWaitThreadEnd (si_thread_id, &timeout);
        // not 100% sure if this is necessary after a clean exit, but just to make sure any resources are freed:
        sceKernelDeleteThread (si_thread_id);
    }
    if (sm_mod != NULL)
    {
	    Player_Stop ();
	    Player_Free (sm_mod);
    }

    si_done = 0;
    si_thread_id = -1;
    sm_mod = NULL;
}

void SMM_Dispose (void)
{
    if (si_initialized == false)
    {
        pspDebugScreenPrintf ("MikMod library not initialized\n");
        return;
    }

    if (sm_mod != NULL)
    {
        SMM_Stop ();
    }
	MikMod_Exit ();
    si_initialized = false;
}