X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmix.cc;h=96ae62448703a9d0406cc8e7eee91939a353782a;hb=884cb355230d293233e599bdfebae7f67684a48e;hp=0bdbf7aa1bf48ec70986e430fda53585fd8b4240;hpb=e341132df82daa96dd276fe6b57aaae787fd084a;p=ardour.git

diff --git a/libs/ardour/mix.cc b/libs/ardour/mix.cc
index 0bdbf7aa1b..96ae624487 100644
--- a/libs/ardour/mix.cc
+++ b/libs/ardour/mix.cc
@@ -24,13 +24,15 @@
 #include "ardour/runtime_functions.h"
 #include <stdint.h>
 
+using std::min;
+using std::max;
 using namespace ARDOUR;
 
 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
 // Debug wrappers
 
 float
-debug_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current) 
+debug_compute_peak (const ARDOUR::Sample *buf, pframes_t nsamples, float current)
 {
 	if ( ((intptr_t)buf % 16) != 0) {
 		std::cerr << "compute_peak(): buffer unaligned!" << std::endl;
@@ -40,7 +42,7 @@ debug_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current)
 }
 
 void
-debug_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain)
+debug_apply_gain_to_buffer (ARDOUR::Sample *buf, pframes_t nframes, float gain)
 {
 	if ( ((intptr_t)buf % 16) != 0) {
 		std::cerr << "apply_gain_to_buffer(): buffer unaligned!" << std::endl;
@@ -50,7 +52,7 @@ debug_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain)
 }
 
 void
-debug_mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes, float gain)
+debug_mix_buffers_with_gain (ARDOUR::Sample *dst, const ARDOUR::Sample *src, pframes_t nframes, float gain)
 {
 	if ( ((intptr_t)dst & 15) != 0) {
 		std::cerr << "mix_buffers_with_gain(): dst unaligned!" << std::endl;
@@ -65,7 +67,7 @@ debug_mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t
 }
 
 void
-debug_mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes)
+debug_mix_buffers_no_gain (ARDOUR::Sample *dst, const ARDOUR::Sample *src, pframes_t nframes)
 {
 	if ( ((intptr_t)dst & 15) != 0) {
 		std::cerr << "mix_buffers_no_gain(): dst unaligned!" << std::endl;
@@ -83,62 +85,68 @@ debug_mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t n
 
 
 float
-default_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current) 
+default_compute_peak (const ARDOUR::Sample * buf, pframes_t nsamples, float current)
 {
-	for (nframes_t i = 0; i < nsamples; ++i) {
+	for (pframes_t i = 0; i < nsamples; ++i) {
 		current = f_max (current, fabsf (buf[i]));
 	}
 
 	return current;
-}	
+}
 
 void
-default_find_peaks (const ARDOUR::Sample * buf, nframes_t nframes, float *min, float *max)
+default_find_peaks (const ARDOUR::Sample * buf, pframes_t nframes, float *minf, float *maxf)
 {
-	nframes_t i;
+	pframes_t i;
 	float a, b;
 
-	a = *max;
-	b = *min;
+	a = *maxf;
+	b = *minf;
 
-	for (i = 0; i < nframes; i++) 
+	for (i = 0; i < nframes; i++)
 	{
-		a = fmax (buf[i], a);
-		b = fmin (buf[i], b);
+		a = max (buf[i], a);
+		b = min (buf[i], b);
 	}
 
-	*max = a;
-	*min = b;
+	*maxf = a;
+	*minf = b;
 }
 
 void
-default_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain)
-{		
-	for (nframes_t i=0; i<nframes; i++)
+default_apply_gain_to_buffer (ARDOUR::Sample * buf, pframes_t nframes, float gain)
+{
+	for (pframes_t i=0; i<nframes; i++)
 		buf[i] *= gain;
 }
 
 void
-default_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain)
+default_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, pframes_t nframes, float gain)
 {
-	for (nframes_t i = 0; i < nframes; i++) {
+	for (pframes_t i = 0; i < nframes; i++) {
 		dst[i] += src[i] * gain;
 	}
 }
 
 void
-default_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes)
+default_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, pframes_t nframes)
 {
-	for (nframes_t i=0; i < nframes; i++) {
+	for (pframes_t i=0; i < nframes; i++) {
 		dst[i] += src[i];
 	}
 }
 
+void
+default_copy_vector (ARDOUR::Sample * dst, const ARDOUR::Sample * src, pframes_t nframes)
+{
+	memcpy(dst, src, nframes*sizeof(ARDOUR::Sample));
+}
+
 #if defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
 #include <Accelerate/Accelerate.h>
 
 float
-veclib_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current)
+veclib_compute_peak (const ARDOUR::Sample * buf, pframes_t nsamples, float current)
 {
 	float tmpmax = 0.0f;
 	vDSP_maxmgv(buf, 1, &tmpmax, nsamples);
@@ -146,26 +154,26 @@ veclib_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float curre
 }
 
 void
-veclib_find_peaks (const ARDOUR::Sample * buf, nframes_t nframes, float *min, float *max)
+veclib_find_peaks (const ARDOUR::Sample * buf, pframes_t nframes, float *min, float *max)
 {
 	vDSP_maxv (const_cast<ARDOUR::Sample*>(buf), 1, max, nframes);
 	vDSP_minv (const_cast<ARDOUR::Sample*>(buf), 1, min, nframes);
 }
 
 void
-veclib_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain)
+veclib_apply_gain_to_buffer (ARDOUR::Sample * buf, pframes_t nframes, float gain)
 {
 	vDSP_vsmul(buf, 1, &gain, buf, 1, nframes);
 }
 
 void
-veclib_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain)
+veclib_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, pframes_t nframes, float gain)
 {
 	vDSP_vsma(src, 1, &gain, dst, 1, dst, 1, nframes);
 }
 
 void
-veclib_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes)
+veclib_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, pframes_t nframes)
 {
 	// It seems that a vector mult only operation does not exist...
 	float gain = 1.0f;
@@ -173,5 +181,5 @@ veclib_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nf
 }
 
 #endif
-		
+