void Music_Player::mute_voices( int mask )
{
suspend();
gme_mute_voices( emu_, mask );
gme_ignore_silence( emu_, mask != 0 );
resume();
}
static void
cgme_mutevoice (int voice, int mute) {
cgme_voicemask &= ~ (1<<voice);
cgme_voicemask |= ((mute ? 1 : 0) << voice);
if (emu) {
gme_mute_voices (emu, cgme_voicemask);
}
}
static int
cgme_read (DB_fileinfo_t *_info, char *bytes, int size) {
gme_fileinfo_t *info = (gme_fileinfo_t*)_info;
float t = (size/4) / (float)_info->fmt.samplerate;
if (_info->readpos + t >= info->duration) {
t = info->duration - _info->readpos;
if (t <= 0) {
return 0;
}
// DON'T ajust size, buffer must always be po2
//size = t * (float)info->samplerate * 4;
}
if (chip_voices_changed) {
chip_voices = deadbeef->conf_get_int ("chip.voices", 0xff);
chip_voices_changed = 0;
gme_mute_voices (info->emu, chip_voices^0xff);
}
if (gme_play (info->emu, size/2, (short*)bytes)) {
return 0;
}
if (conf_fadeout > 0 && info->duration >= conf_fadeout && info->reallength <= 0 && _info->readpos >= info->duration - conf_fadeout) {
float fade_amnt = (info->duration - _info->readpos) / (float)conf_fadeout;
int nsamples = size/2;
float fade_incr = 1.f / (_info->fmt.samplerate * conf_fadeout) * 256;
const float ln10=2.3025850929940002f;
float fade = exp(ln10*(-(1.f-fade_amnt) * 3));
for (int i = 0; i < nsamples; i++) {
((short*)bytes)[i] *= fade;
if (!(i & 0xff)) {
fade_amnt += fade_incr;
fade = exp(ln10*(-(1.f-fade_amnt) * 3));
}
}
}
_info->readpos += t;
if (info->reallength == -1) {
if (gme_track_ended (info->emu)) {
return 0;
}
}
return size;
}
static int
cgme_read (DB_fileinfo_t *_info, char *bytes, int size) {
gme_fileinfo_t *info = (gme_fileinfo_t*)_info;
int playForever = conf_play_forever && info->can_loop;
float t = (size/4) / (float)_info->fmt.samplerate;
if (info->eof) {
return 0;
}
if (!playForever && _info->readpos + t >= info->duration) {
t = info->duration - _info->readpos;
if (t <= 0) {
return 0;
}
// DON'T ajust size, buffer must always be po2
//size = t * (float)info->samplerate * 4;
}
if (chip_voices_changed) {
chip_voices = deadbeef->conf_get_int ("chip.voices", 0xff);
chip_voices_changed = 0;
gme_mute_voices (info->emu, chip_voices^0xff);
}
if (playForever)
gme_set_fade(info->emu, -1, 0);
else
gme_set_fade(info->emu, (int)(info->duration * 1000), conf_fadeout * 1000);
if (gme_play (info->emu, size/2, (short*)bytes)) {
return 0;
}
_info->readpos += t;
if (gme_track_ended (info->emu)) {
info->eof = 1;
}
return size;
}
static int
cgme_init (DB_fileinfo_t *_info, DB_playItem_t *it) {
gme_fileinfo_t *info = (gme_fileinfo_t*)_info;
int samplerate = deadbeef->conf_get_int ("synth.samplerate", 44100);
gme_err_t res = "gme uninitialized";
deadbeef->pl_lock ();
{
const char *fname = deadbeef->pl_find_meta (it, ":URI");
const char *ext = strrchr (fname, '.');
char *buffer;
int sz;
if (!read_gzfile (fname, &buffer, &sz)) {
res = gme_open_data (fname, buffer, sz, &info->emu, samplerate);
free (buffer);
}
if (res) {
DB_FILE *f = deadbeef->fopen (fname);
if (!f) {
deadbeef->pl_unlock ();
return -1;
}
int64_t sz = deadbeef->fgetlength (f);
if (sz <= 0) {
deadbeef->fclose (f);
deadbeef->pl_unlock ();
return -1;
}
char *buf = malloc (sz);
if (!buf) {
deadbeef->fclose (f);
deadbeef->pl_unlock ();
return -1;
}
int64_t rb = deadbeef->fread (buf, 1, sz, f);
deadbeef->fclose(f);
if (rb != sz) {
free (buf);
deadbeef->pl_unlock ();
return -1;
}
res = gme_open_data (fname, buf, sz, &info->emu, samplerate);
free (buf);
}
}
deadbeef->pl_unlock ();
if (res) {
trace ("failed with error %d\n", res);
return -1;
}
chip_voices = deadbeef->conf_get_int ("chip.voices", 0xff);
gme_mute_voices (info->emu, chip_voices^0xff);
gme_start_track (info->emu, deadbeef->pl_find_meta_int (it, ":TRACKNUM", 0));
gme_info_t *inf;
gme_track_info (info->emu, &inf, deadbeef->pl_find_meta_int (it, ":TRACKNUM", 0));
_info->plugin = &plugin;
_info->fmt.bps = 16;
_info->fmt.channels = 2;
_info->fmt.samplerate = samplerate;
_info->fmt.channelmask = _info->fmt.channels == 1 ? DDB_SPEAKER_FRONT_LEFT : (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT);
info->duration = deadbeef->pl_get_item_duration (it);
info->reallength = inf->length;
_info->readpos = 0;
return 0;
}
void bmx_gme_mute_voices(MaxMusicEmu * emu, int mutingMask) {
gme_mute_voices(emu->emu, mutingMask);
}
