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-rw-r--r--src/mdaLooplex.cpp130
1 files changed, 89 insertions, 41 deletions
diff --git a/src/mdaLooplex.cpp b/src/mdaLooplex.cpp
index 8ae249f..76f84b1 100644
--- a/src/mdaLooplex.cpp
+++ b/src/mdaLooplex.cpp
@@ -10,6 +10,11 @@
#include <stdlib.h>
#include <math.h>
+#if __linux__
+#include <pthread.h>
+#include <unistd.h>
+#endif
+
AudioEffect *createEffectInstance(audioMasterCallback audioMaster)
{
@@ -35,10 +40,27 @@ public:
#if _WIN32
- #include <windows.h>
+ #include <windows.h>
#pragma comment(lib, "user32.lib")
static UINT timer = 0;
- VOID CALLBACK TimerCallback(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime)
+ VOID CALLBACK TimerCallback(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
+#elif __linux__
+ #define IDLE_MICS (IDLE_MSEC * 1000)
+ static pthread_t thread = 0;
+ static unsigned int timer = 0;
+ static void TimerCallback();
+ static void * ThreadCallback(void * args)
+ {
+ while (timer)
+ {
+ TimerCallback();
+ usleep(IDLE_MICS);
+ }
+ thread = 0;
+ pthread_exit(0);
+ return 0;
+ }
+ void TimerCallback()
#else //OSX
#include <Carbon/Carbon.h>
EventLoopTimerRef timer = 0;
@@ -59,10 +81,13 @@ public:
{
#if _WIN32
KillTimer(NULL, timer);
+ #elif defined(__linux__)
+ timer = 0;
+ while (thread) usleep(1000);
#else //OSX
RemoveEventLoopTimer(timer);
#endif
- timer = 0;
+ timer = 0;
}
}
else
@@ -81,6 +106,30 @@ IdleList::IdleList(mdaLooplex *effect, IdleList *next) : effect(effect), next(ne
{
#if WIN32
timer = SetTimer(NULL, 0, IDLE_MSEC, TimerCallback);
+ #elif __linux__
+ timer = 1;
+ pthread_attr_t attr;
+ pthread_attr_init(&attr);
+ pthread_attr_setstacksize(&attr, 16 * 1024);
+ int policy;
+
+ if (pthread_attr_getschedpolicy(&attr, &policy) == 0)
+ {
+ struct sched_param param;
+ param.sched_priority = sched_get_priority_min(policy);
+ pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
+ pthread_attr_setschedparam(&attr, &param);
+ }
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
+
+ if (pthread_create(&thread, &attr, &ThreadCallback, 0) != 0)
+ {
+ thread = 0;
+ timer = 0;
+ fprintf(stderr, "Error: mdaLooplex.cpp (line %d)\n", __LINE__);
+ }
+ pthread_attr_destroy(&attr);
#else //OSX
double ms = kEventDurationMillisecond * (double)IDLE_MSEC;
InstallEventLoopTimer(GetCurrentEventLoop(), ms, ms, NewEventLoopTimerUPP(TimerCallback), 0, &timer);
@@ -109,7 +158,7 @@ mdaLooplexProgram::mdaLooplexProgram()
mdaLooplex::mdaLooplex(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, NPROGS, NPARAMS)
{
-
+
Fs = 44100.0f; //won't we know the sample rate by the time we need it?
//initialise...
@@ -145,6 +194,8 @@ mdaLooplex::mdaLooplex(audioMasterCallback audioMaster) : AudioEffectX(audioMast
void mdaLooplex::update() //parameter change
{
+ float * param = programs[curProgram].param;
+
if(fabs(param[1] - oldParam1) > 0.1f)
{
oldParam1 = param[1];
@@ -187,20 +238,20 @@ void mdaLooplex::resume()
{
//should reset position here...
bufpos = 0;
-
- //needIdle(); //idle broken in VST2.4
- DECLARE_LVZ_DEPRECATED (wantEvents) ();
+
+ //needIdle(); //idle broken in VST2.4
+ DECLARE_LVZ_DEPRECATED (wantEvents) ();
}
void mdaLooplex::idle()
-{
+{
if(bypassed)
{
if(busy) return; //only do once per bypass
busy = 1;
-
- bufmax = 2 * (long)Fs * (long)(10.5f + 190.0f * param[0]);
+ float * param = programs[curProgram].param;
+ bufmax = 2 * (LvzInt32)Fs * (LvzInt32)(10.5f + 190.0f * param[0]);
if(buffer) delete [] buffer;
buffer = new short[bufmax + 10];
if(buffer) memset(buffer, 0, (bufmax + 10) * sizeof(short)); else bufmax = 0;
@@ -216,11 +267,13 @@ mdaLooplex::~mdaLooplex () //destroy any buffers...
{
if(item->effect == this)
{
- item->remove = true;
- #if _WIN32 //and stop timer in case our last instance is about to unload
- TimerCallback(0, 0, 0, 0);
- #else
- TimerCallback(0, 0);
+ item->remove = true;
+ #if _WIN32 //and stop timer in case our last instance is about to unload
+ TimerCallback(0, 0, 0, 0);
+ #elif __linux__
+ TimerCallback();
+ #else
+ TimerCallback(0, 0);
#endif
break;
}
@@ -237,19 +290,19 @@ mdaLooplex::~mdaLooplex () //destroy any buffers...
char wh[44];
memcpy(wh, "RIFF____WAVEfmt \20\0\0\0\1\0\2\0________\4\0\20\0data____", 44);
- long l = 36 + buflen * 2;
+ LvzInt32 l = 36 + buflen * 2;
wh[4] = (char)(l & 0xFF); l >>= 8;
wh[5] = (char)(l & 0xFF); l >>= 8;
wh[6] = (char)(l & 0xFF); l >>= 8;
wh[7] = (char)(l & 0xFF);
- l = (long)(Fs + 0.5f);
+ l = (LvzInt32)(Fs + 0.5f);
wh[24] = (char)(l & 0xFF); l >>= 8;
wh[25] = (char)(l & 0xFF); l >>= 8;
wh[26] = (char)(l & 0xFF); l >>= 8;
wh[27] = (char)(l & 0xFF);
- l = 4 * (long)(Fs + 0.5f);
+ l = 4 * (LvzInt32)(Fs + 0.5f);
wh[28] = (char)(l & 0xFF); l >>= 8;
wh[29] = (char)(l & 0xFF); l >>= 8;
wh[30] = (char)(l & 0xFF); l >>= 8;
@@ -282,31 +335,25 @@ mdaLooplex::~mdaLooplex () //destroy any buffers...
}
delete [] buffer;
- }
+ }
}
void mdaLooplex::setProgram(LvzInt32 program)
-{
- long i;
-
- mdaLooplexProgram *p = &programs[program];
- curProgram = program;
- setProgramName(p->name);
- for(i=0; i<NPARAMS; i++) param[i] = p->param[i];
- update();
+{
+ curProgram = program;
+ update();
}
void mdaLooplex::setParameter(LvzInt32 index, float value)
-{
- mdaLooplexProgram *p = &programs[curProgram];
- param[index] = p->param[index] = value;
+{
+ programs[curProgram].param[index] = value;
update();
}
-float mdaLooplex::getParameter(LvzInt32 index) { return param[index]; }
+float mdaLooplex::getParameter(LvzInt32 index) { return programs[curProgram].param[index]; }
void mdaLooplex::setProgramName(char *name) { strcpy(programs[curProgram].name, name); }
void mdaLooplex::getProgramName(char *name) { strcpy(name, programs[curProgram].name); }
void mdaLooplex::setBlockSize(LvzInt32 blockSize) { AudioEffectX::setBlockSize(blockSize); }
@@ -317,7 +364,7 @@ bool mdaLooplex::getProductString(char* text) { strcpy(text, "MDA Looplex"); re
bool mdaLooplex::getProgramNameIndexed(LvzInt32 category, LvzInt32 index, char* text)
{
- if(index<NPROGS)
+ if ((unsigned int)index < NPROGS)
{
strcpy(text, programs[index].name);
return true;
@@ -327,7 +374,7 @@ bool mdaLooplex::getProgramNameIndexed(LvzInt32 category, LvzInt32 index, char*
bool mdaLooplex::copyProgram(LvzInt32 destination)
-{
+{
if(destination<NPROGS)
{
programs[destination] = programs[curProgram];
@@ -365,6 +412,7 @@ void mdaLooplex::getParameterName(LvzInt32 index, char *label)
void mdaLooplex::getParameterDisplay(LvzInt32 index, char *text)
{
char string[16];
+ float * param = programs[curProgram].param;
switch(index)
{
@@ -419,10 +467,10 @@ void mdaLooplex::processReplacing(float **inputs, float **outputs, LvzInt32 samp
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
- long event=0, frame=0, frames;
+ LvzInt32 event=0, frame=0, frames;
float l, r, dl, dr, d0 = 0.0f, d1;
float imix = in_mix, ipan = in_pan, omix = out_mix, fb = feedback * modwhl;
- long x;
+ LvzInt32 x;
if((bypassed = bypass)) return;
@@ -459,7 +507,7 @@ void mdaLooplex::processReplacing(float **inputs, float **outputs, LvzInt32 samp
dl = fb * (float)buffer[bufpos];
if(recreq)
{
- x = (long)(32768.0f * l + dl + d0 - d1 + 100000.5f) - 100000;
+ x = (LvzInt32)(32768.0f * l + dl + d0 - d1 + 100000.5f) - 100000;
if(x > 32767) x = 32767; else if(x < -32768) x = -32768;
buffer[bufpos] = (short)x;
}
@@ -469,7 +517,7 @@ void mdaLooplex::processReplacing(float **inputs, float **outputs, LvzInt32 samp
dr = fb * (float)buffer[bufpos];
if(recreq)
{
- x = (long)(32768.0f * r + dr - d0 + d1 + 100000.5f) - 100000;
+ x = (LvzInt32)(32768.0f * r + dr - d0 + d1 + 100000.5f) - 100000;
if(x > 32767) x = 32767; else if(x < -32768) x = -32768;
buffer[bufpos] = (short)x;
}
@@ -498,8 +546,8 @@ void mdaLooplex::processReplacing(float **inputs, float **outputs, LvzInt32 samp
if(frame<sampleFrames)
{
- long note = notes[event++];
- //long vel = notes[event++];
+ LvzInt32 note = notes[event++];
+ //LvzInt32 vel = notes[event++];
if(note == 2)
{
@@ -517,9 +565,9 @@ void mdaLooplex::processReplacing(float **inputs, float **outputs, LvzInt32 samp
LvzInt32 mdaLooplex::processEvents(LvzEvents* ev)
{
- long npos=0;
+ LvzInt32 npos=0;
- for (long i=0; i<ev->numEvents; i++)
+ for (LvzInt32 i=0; i<ev->numEvents; i++)
{
if((ev->events[i])->type != kLvzMidiType) continue;
LvzMidiEvent* event = (LvzMidiEvent*)ev->events[i];
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-28 05:26:04 +0000