JDSP4Linux relevant changes

Author: timschneeb

Main/libjamesdsp/jni/jamesdsp/jdsp/Effects/liveprogWrapper.c

@@ -4,6 +4,7 @@ void NSEEL_HOSTSTUB_LeaveMutex() { }
 void LiveProgConstructor(JamesDSPLib *jdsp)
 {
 	LiveProg *pg = &jdsp->eel;
+    pg->active = 1;
 	pg->compileSucessfully = 0;
 	pg->codehandleInit = 0;
 	pg->codehandleProcess = 0;
@@ -148,7 +149,7 @@ int LiveProgStringParser(JamesDSPLib *jdsp, char *eelCode)
 void LiveProgProcess(JamesDSPLib *jdsp, size_t n)
 {
 	LiveProg *eel = &jdsp->eel;
-	if (eel->compileSucessfully)
+    if (eel->compileSucessfully && eel->active)
 	{
 		for (size_t i = 0; i < n; i++)
 		{
@@ -159,4 +160,4 @@ void LiveProgProcess(JamesDSPLib *jdsp, size_t n)
 			jdsp->tmpBuffer[1][i] = (float)*eel->input2;
 		}
 	}
-}
+}

Main/libjamesdsp/jni/jamesdsp/jdsp/Effects/reverb.c

@@ -78,6 +78,12 @@ static inline void delay_make(sf_rv_delay_st *delay, int size)
 
 static inline float delay_step(sf_rv_delay_st *delay, float v)
 {
+    // Prevent FPE due to division by zero! Usually caused by an empty delay buffer (init phase)
+    if(delay->size == 0)
+    {
+        return 0;
+    }
+
     float out = delay->buf[delay->pos];
     delay->buf[delay->pos] = v;
     delay->pos = (delay->pos + 1) % delay->size;

Main/libjamesdsp/jni/jamesdsp/jdsp/Effects/stereoEnhancement.c

@@ -9,6 +9,7 @@ void analysisWarpedPFBStereo(WarpedPFB *pfb1, WarpedPFB *pfb2, float *x1, float
 void synthesisWarpedPFBStereo(WarpedPFB *pfb1, WarpedPFB *pfb2, float *y1, float *y2);
 void StereoEnhancementSetParam(JamesDSPLib *jdsp, float mix)
 {
+    jdsp_lock(jdsp);
 	jdsp->sterEnh.mix = mix;
 	jdsp->sterEnh.minusMix = 1.0f - jdsp->sterEnh.mix;
 	if (jdsp->sterEnh.mix > 0.5f)
@@ -36,17 +37,22 @@ void StereoEnhancementSetParam(JamesDSPLib *jdsp, float mix)
 	float ms = 0.75f; // 0.75 ms
 	for (unsigned int i = 0; i < 5; i++)
 		jdsp->sterEnh.emaAlpha[i] = 1.0f - powf(10.0f, (log10f(0.5f) / (ms / 1000.0f) / (jdsp->fs / (float)Sk[i])));
+    jdsp_unlock(jdsp);
 }
 void StereoEnhancementConstructor(JamesDSPLib *jdsp)
 {
+    jdsp_lock(jdsp);
 	jdsp->sterEnh.subband[1] = jdsp->sterEnh.subband[0] = 0;
+    jdsp_unlock(jdsp);
 }
 void StereoEnhancementDestructor(JamesDSPLib *jdsp)
 {
+    jdsp_lock(jdsp);
 	if (jdsp->sterEnh.subband[0])
 		free(jdsp->sterEnh.subband[0]);
 	if (jdsp->sterEnh.subband[1])
 		free(jdsp->sterEnh.subband[1]);
+    jdsp_unlock(jdsp);
 }
 void StereoEnhancementEnable(JamesDSPLib *jdsp)
 {
@@ -88,4 +94,4 @@ void StereoEnhancementProcess(JamesDSPLib *jdsp, size_t n)
 		jdsp->tmpBuffer[0][i] = y1 * snh->gain;
 		jdsp->tmpBuffer[1][i] = y2 * snh->gain;
 	}
-}
+}

Main/libjamesdsp/jni/jamesdsp/jdsp/jdsp_header.h

@@ -348,6 +348,8 @@ typedef enum
 	SF_REVERB_PRESET_LONGREVERB1,
 	SF_REVERB_PRESET_LONGREVERB2
 } sf_reverb_preset;
+extern void sf_advancereverb(sf_reverb_state_st *rv, int rate, int oversamplefactor, float ertolate, float erefwet, float dry, float ereffactor, float erefwidth, float width, float wet, float wander, float bassb, float spin, float inputlpf, float basslpf, float damplpf, float outputlpf, float rt60, float delay);
+
 typedef struct
 {
 	char *subband[2];
@@ -362,6 +364,7 @@ typedef struct
 	NSEEL_CODEHANDLE codehandleInit, codehandleProcess;
 	float *vmFs, *input1, *input2;
 	int compileSucessfully;
+    int active;
 } LiveProg;
 typedef struct
 {