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Updated playptmod with several important bug fixes from eightbitbubsy

CQTexperiment
Chris Moeller 2014-05-10 18:12:34 -07:00
parent cb0c43fb5f
commit 641302d597
1 changed files with 76 additions and 69 deletions
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135
Frameworks/playptmod/playptmod/playptmod.c
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@ -87,10 +87,6 @@
#define false 0
#endif
#ifdef _MSC_VER
#define inline __forceinline
#endif
enum
{
FLAG_NOTE = 1,
@ -206,14 +202,16 @@ typedef struct voice_data
{
const char *newData;
const char *data;
int index;
char swapSampleFlag;
char loopFlag;
int length;
int loopLength;
int loopBegin;
int loopEnd;
char newLoopFlag;
int newLength;
int newLoopLength;
int newLoopBegin;
int newLoopEnd;
int swapSampleFlag;
int index;
int vol;
int panL;
int panR;
@ -342,7 +340,7 @@ static short extendedRawPeriods[16 * 85 + 14];
static const short npertab[84] =
{
/* Octaves 6 -> 0 */
/* Octaves 0 -> 6 */
/* C C# D D# E F F# G G# A A# B */
0x6b0,0x650,0x5f4,0x5a0,0x54c,0x500,0x4b8,0x474,0x434,0x3f8,0x3c0,0x38a,
0x358,0x328,0x2fa,0x2d0,0x2a6,0x280,0x25c,0x23a,0x21a,0x1fc,0x1e0,0x1c5,
@ -451,36 +449,37 @@ static inline int periodToNote(player *p, char finetune, short period)
static void mixerSwapChSource(player *p, int ch, const char *src, int length, int loopStart, int loopLength, int step)
{
p->v[ch].swapSampleFlag = true;
p->v[ch].newData = src;
p->v[ch].newLength = length;
p->v[ch].newLoopLength = loopLength;
p->v[ch].newLoopEnd = loopStart + loopLength;
p->v[ch].newStep = step;
p->v[ch].swapSampleFlag = true;
p->v[ch].newData = src;
p->v[ch].newLoopFlag = loopLength > (2 * step);
p->v[ch].newLength = length;
p->v[ch].newLoopBegin = loopStart;
p->v[ch].newLoopEnd = loopStart + loopLength;
p->v[ch].newStep = step;
}
static void mixerSetChSource(player *p, int ch, const char *src, int length, int loopStart, int loopLength, int offset, int step)
{
p->v[ch].swapSampleFlag = false;
p->v[ch].data = src;
p->v[ch].length = length;
p->v[ch].index = offset;
p->v[ch].frac = 0.0f;
p->v[ch].loopEnd = loopStart + loopLength;
p->v[ch].loopLength = loopLength;
p->v[ch].step = step;
p->v[ch].data = src;
p->v[ch].index = offset;
p->v[ch].frac = 0.0f;
p->v[ch].length = length;
p->v[ch].loopFlag = loopLength > (2 * step);
p->v[ch].loopBegin = loopStart;
p->v[ch].loopEnd = loopStart + loopLength;
p->v[ch].step = step;
if (offset > 0)
// Check external 9xx usage (Set Sample Offset)
if (p->v[ch].loopFlag)
{
if (loopLength > (2 * step))
{
if (offset >= p->v[ch].loopEnd)
p->v[ch].index = 0;
}
else if (offset >= length)
{
if (offset >= p->v[ch].loopEnd)
p->v[ch].index = p->v[ch].loopBegin;
}
else
{
if (offset >= p->v[ch].length)
p->v[ch].data = NULL;
}
}
}
@ -605,14 +604,14 @@ static void outputAudio(player *p, int *target, int numSamples)
if (tempSample != p->blep[i].last_value)
{
float delta = (float)(tempSample - p->blep[i].last_value);
int delta = tempSample - p->blep[i].last_value;
p->blep[i].last_value = tempSample;
ptm_blip_add_delta(&p->blep[i], p->v[i].frac, delta);
}
if (tempVolume != p->blepVol[i].last_value)
{
float delta = (float)(tempVolume - p->blepVol[i].last_value);
int delta = tempVolume - p->blepVol[i].last_value;
p->blepVol[i].last_value = tempVolume;
ptm_blip_add_delta(&p->blepVol[i], 0, delta);
}
@ -622,7 +621,7 @@ static void outputAudio(player *p, int *target, int numSamples)
p->v[i].index += step;
p->v[i].frac += p->v[i].rate;
if (p->v[i].loopLength > (2 * step))
if (p->v[i].loopFlag)
{
if (p->v[i].index >= p->v[i].loopEnd)
{
@ -630,25 +629,27 @@ static void outputAudio(player *p, int *target, int numSamples)
{
p->v[i].swapSampleFlag = false;
if (p->v[i].newLoopLength <= (2 * step))
if (p->v[i].newLoopFlag == false)
{
p->v[i].data = NULL;
continue;
}
p->v[i].index = p->v[i].loopEnd - p->v[i].loopLength;
p->v[i].loopBegin = p->v[i].newLoopBegin;
p->v[i].loopEnd = p->v[i].newLoopEnd;
p->v[i].loopFlag = p->v[i].newLoopFlag;
p->v[i].data = p->v[i].newData;
p->v[i].length = p->v[i].newLength;
p->v[i].frac = 0.0f;
p->v[i].step = p->v[i].newStep;
p->v[i].data = p->v[i].newData;
p->v[i].length = p->v[i].newLength;
p->v[i].loopEnd = p->v[i].newLoopEnd;
p->v[i].loopLength = p->v[i].newLoopLength;
p->v[i].frac = 0.0f;
step = p->v[i].step = p->v[i].newStep;
while (p->v[i].index >= p->v[i].loopEnd)
p->v[i].index = p->v[i].loopBegin + (p->v[i].index - p->v[i].loopEnd);
}
else
{
p->v[i].index -= p->v[i].loopLength;
while (p->v[i].index >= p->v[i].loopEnd)
p->v[i].index = p->v[i].loopBegin + (p->v[i].index - p->v[i].loopEnd);
}
}
}
@ -658,21 +659,22 @@ static void outputAudio(player *p, int *target, int numSamples)
{
p->v[i].swapSampleFlag = false;
if (p->v[i].newLoopLength <= 2)
if (p->v[i].newLoopFlag == false)
{
p->v[i].data = NULL;
continue;
}
p->v[i].index = 0;
p->v[i].loopBegin = p->v[i].newLoopBegin;
p->v[i].loopEnd = p->v[i].newLoopEnd;
p->v[i].loopFlag = p->v[i].newLoopFlag;
p->v[i].data = p->v[i].newData;
p->v[i].length = p->v[i].newLength;
p->v[i].frac = 0.0f;
p->v[i].step = p->v[i].newStep;
p->v[i].data = p->v[i].newData;
p->v[i].length = p->v[i].newLength;
p->v[i].loopEnd = p->v[i].newLoopEnd;
p->v[i].loopLength = p->v[i].newLoopLength;
p->v[i].frac = 0.0f;
step = p->v[i].step = p->v[i].newStep;
while (p->v[i].index >= p->v[i].loopEnd)
p->v[i].index = p->v[i].loopBegin + (p->v[i].index - p->v[i].loopEnd);
}
else
{
@ -689,8 +691,8 @@ static void outputAudio(player *p, int *target, int numSamples)
{
int i_smp;
tempVolume = (float)p->blepVol[i].last_value;
tempSample = (float)p->blep[i].last_value;
tempVolume = p->blepVol[i].last_value;
tempSample = p->blep[i].last_value;
tempVolume += ptm_blip_read_sample(&p->blepVol[i]);
tempSample += ptm_blip_read_sample(&p->blep[i]);
@ -1145,7 +1147,7 @@ int playptmod_LoadMem(void *_p, const unsigned char *buf, unsigned long bufLengt
}
bufread(&p->source->head.orderCount, 1, 1, fmodule);
if ((p->source->head.orderCount == 0) || (p->source->head.orderCount > 128))
if (p->source->head.orderCount == 0)
{
free(p->source);
bufclose(fmodule);
@ -1153,6 +1155,9 @@ int playptmod_LoadMem(void *_p, const unsigned char *buf, unsigned long bufLengt
return (false);
}
if (p->source->head.orderCount > 128)
p->source->head.orderCount = 128;
bufread(&p->source->head.restartPos, 1, 1, fmodule);
if ((mightBeSTK == true) && ((p->source->head.restartPos == 0)
|| (p->source->head.restartPos > 220)))
@ -2247,7 +2252,9 @@ static void fxSampleOffset(player *p, mod_channel *ch)
ch->offsetTemp = ch->param * 256;
ch->offset += ch->offsetTemp;
ch->offsetBugNotAdded = false;
if (!ch->noNote)
ch->offsetBugNotAdded = false;
}
}
@ -2416,7 +2423,7 @@ void playptmod_Stop(void *_p)
p->source->channels[i].invertLoopSpeed = 0;
p->source->channels[i].period = 0;
p->source->channels[i].tempPeriod = 0;
p->source->channels[i].offsetBugNotAdded = false;
p->source->channels[i].offsetBugNotAdded = true;
}
p->tempFlags = 0;
@ -2522,7 +2529,7 @@ static void processChannel(player *p, mod_channel *ch)
if ((ch->command != 0x03) && (ch->command != 0x05))
{
ch->offset = 0;
ch->offsetBugNotAdded = false;
ch->offsetBugNotAdded = true;
}
if (ch->flags & FLAG_NEWSAMPLE)
@ -2553,7 +2560,7 @@ static void processChannel(player *p, mod_channel *ch)
s = &p->source->samples[ch->sample - 1];
if (s->length > 0)
mixerSwapChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, s->attribute & 1 ? 2 : 1);
mixerSwapChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, (s->attribute & 1) ? 2 : 1);
else
mixerSetChSource(p, ch->chanIndex, NULL, 0, 0, 0, 0, 0);
}
@ -2568,7 +2575,7 @@ static void processChannel(player *p, mod_channel *ch)
{
if (ch->offset > 0)
{
mixerSetChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, ch->offset, s->attribute & 1 ? 2 : 1);
mixerSetChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, ch->offset, (s->attribute & 1) ? 2 : 1);
if (p->minPeriod == PT_MIN_PERIOD) // PT/NT/STK/UST bug only
{
@ -2581,7 +2588,7 @@ static void processChannel(player *p, mod_channel *ch)
}
else
{
mixerSetChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, 0, s->attribute & 1 ? 2 : 1);
mixerSetChSource(p, ch->chanIndex, p->source->sampleData + s->offset, s->length, s->loopStart, s->loopLength, 0, (s->attribute & 1) ? 2 : 1);
}
}
else
@ -2596,7 +2603,7 @@ static void processChannel(player *p, mod_channel *ch)
if ((p->tempPeriod >= p->minPeriod) && (p->tempPeriod <= p->maxPeriod))
mixerSetChRate(p, ch->chanIndex, (p->minPeriod == PT_MIN_PERIOD) ? p->frequencyTable[(int)p->tempPeriod] : p->extendedFrequencyTable[(int)p->tempPeriod]);
else
mixerSetChVol(p, ch->chanIndex, 0.0f); // arp override bugfix
mixerSetChVol(p, ch->chanIndex, 0); // arp override bugfix
}
}
@ -2816,7 +2823,7 @@ void playptmod_Play(void *_p, unsigned int startOrder)
p->source->channels[i].tremoloControl = 0;
p->source->channels[i].tremoloPos = 0;
p->source->channels[i].fineTune = 0;
p->source->channels[i].offsetBugNotAdded = false;
p->source->channels[i].offsetBugNotAdded = true;
}
p->sampleCounter = 0;