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#include <mikmod.h>
#include <string.h>
#include "codec.h"
#include "cmod.h"
static char *mikmod_writepointer;
static int mikmod_writesize;
static MODULE *module;
// mikmod fe driver
static BOOL cmod_IsThere(void)
{
return 1;
}
static BOOL cmod_Init(void)
{
return VC_Init();
}
static void cmod_Exit(void)
{
VC_Exit();
}
static void cmod_Update(void)
{
for (;;) {
ULONG ret = VC_WriteBytes((SBYTE*)mikmod_writepointer,(ULONG)mikmod_writesize);
if (ret < mikmod_writesize)
{
if (ret <= 0) {
printf ("WARNING: mikmod VC_WriteBytes returned %d, trying rewind\n", ret);
Player_SetPosition (0);
break;
}
else {
mikmod_writesize -= ret;
mikmod_writepointer += ret;
}
}
else if (ret > mikmod_writesize) {
printf ("WARNING: mikmod VC_WriteBytes returned %d, trying rewind\n", ret);
Player_SetPosition (0);
}
break;
}
}
static void cmod_PlayStop(void)
{
fprintf (stderr, "mikmod called PlayStop\n");
VC_PlayStop();
}
static MDRIVER cmoddrv={
NULL,
(char*)"raboof",
(char*)"raboof mikmod audio driver v0.1",
0,255,
(char*)"cmoddrv",
NULL,
cmod_IsThere,
VC_SampleLoad,
VC_SampleUnload,
VC_SampleSpace,
VC_SampleLength,
cmod_Init,
cmod_Exit,
NULL,
VC_SetNumVoices,
VC_PlayStart,
cmod_PlayStop,
cmod_Update,
NULL,
VC_VoiceSetVolume,
VC_VoiceGetVolume,
VC_VoiceSetFrequency,
VC_VoiceGetFrequency,
VC_VoiceSetPanning,
VC_VoiceGetPanning,
VC_VoicePlay,
VC_VoiceStop,
VC_VoiceStopped,
VC_VoiceGetPosition,
VC_VoiceRealVolume
};
int
cmod_init (const char *fname) {
// MikMod_RegisterAllDrivers();
memset (&cmod.info, 0, sizeof (fileinfo_t));
MikMod_RegisterAllLoaders();
MikMod_RegisterDriver (&cmoddrv);
int drv = MikMod_DriverFromAlias ((char*)"cmoddrv");
md_device = drv;
md_mode |= DMODE_HQMIXER;
MikMod_Init((char*)"");
module = Player_Load ((char*)fname, 64, 0);
module->wrap = 1;
module->loop = 0;
Player_Start(module);
Player_SetTempo (1200);
printf ("module info: songname %s\nmodtype %s\ncomment %s\nnumchannels %d\nnumsamples %d\nsongtime %d\n", module->songname, module->modtype, module->comment, module->numchn, module->numsmp, module->sngtime);
printf ("driver info: device %d\nmixfreq: %d\n16bit %d\nhqmixer %d\nstereo %d\n", md_device, md_mixfreq, (md_mode&DMODE_16BITS)?1:0, (md_mode&DMODE_HQMIXER)?1:0, (md_mode&DMODE_STEREO)?1:0);
cmod.info.bitsPerSample = (md_mode&DMODE_16BITS)? 16 : 8;
cmod.info.channels = (md_mode&DMODE_STEREO)?2:1;
cmod.info.dataSize = -1; // means unknown or infinite
cmod.info.samplesPerSecond = md_mixfreq;
return 0;
}
void
cmod_free (void) {
Player_SetPosition (0);
Player_Free(module);
module = NULL;
MikMod_Exit();
}
int
cmod_read (char *bytes, int size)
{
mikmod_writepointer = bytes;
mikmod_writesize = size;
if (Player_Active()) {
MikMod_Update();
}
return 0;
}
codec_t cmod = {
.init = cmod_init,
.free = cmod_free,
.read = cmod_read
};
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