X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Futils.cc;h=d8642486d9e9fb9d15a3c238103dae38b4507c82;hb=1bd4c5b3a212460eed1773f6b049d18c89625565;hp=2d9fccf9d74691c289f52171b9b5c1c5dd8768d3;hpb=78889b0958c72e8b52e297e27e2c1ed2bf522602;p=ardour.git

diff --git a/libs/ardour/utils.cc b/libs/ardour/utils.cc
index 2d9fccf9d7..d8642486d9 100644
--- a/libs/ardour/utils.cc
+++ b/libs/ardour/utils.cc
@@ -42,6 +42,7 @@
 
 using namespace ARDOUR;
 using namespace std;
+using namespace PBD;
 
 void
 elapsed_time_to_str (char *buf, uint32_t seconds)
@@ -185,15 +186,6 @@ touch_file (string path)
 	return 1;
 }
 
-uint32_t long
-get_uid()
-{
-	struct timeval tv;
-	gettimeofday(&tv, 0);
-
-	return (uint32_t long) tv.tv_sec * 1000000 + tv.tv_usec;
-}
-
 string
 placement_as_string (Placement p)
 {
@@ -261,3 +253,148 @@ path_expand (string path)
 #endif
 }
 
+#if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
+string 
+CFStringRefToStdString(CFStringRef stringRef)
+{
+	CFIndex size = 
+		CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) , 
+		kCFStringEncodingUTF8);
+	    char *buf = new char[size];
+	
+	std::string result;
+
+	if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
+	    result = buf;
+	}
+	delete [] buf;
+	return result;
+}
+#endif // HAVE_COREAUDIO
+
+void
+compute_equal_power_fades (nframes_t nframes, float* in, float* out)
+{
+	double step;
+
+	step = 1.0/nframes;
+
+	in[0] = 0.0f;
+	
+	for (nframes_t i = 1; i < nframes - 1; ++i) {
+		in[i] = in[i-1] + step;
+	}
+	
+	in[nframes-1] = 1.0;
+
+	const float pan_law_attenuation = -3.0f;
+	const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
+
+	for (unsigned long n = 0; n < nframes; ++n) {
+		float inVal = in[n];
+		float outVal = 1 - inVal;
+		out[n] = outVal * (scale * outVal + 1.0f - scale);
+		in[n] = inVal * (scale * inVal + 1.0f - scale);
+	}
+}
+
+EditMode
+string_to_edit_mode (string str)
+{
+	if (str == _("Splice Edit")) {
+		return Splice;
+	} else if (str == _("Slide Edit")) {
+		return Slide;
+	}
+	fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
+	/*NOTREACHED*/
+	return Slide;
+}
+
+const char*
+edit_mode_to_string (EditMode mode)
+{
+	switch (mode) {
+	case Slide:
+		return _("Slide Edit");
+
+	default:
+	case Splice:
+		return _("Splice Edit");
+	}
+}
+
+SlaveSource
+string_to_slave_source (string str)
+{
+	if (str == _("Internal")) {
+		return None;
+	}
+	
+	if (str == _("MTC")) {
+		return MTC;
+	}
+
+	if (str == _("JACK")) {
+		return JACK;
+	}
+
+	fatal << string_compose (_("programming error: unknown slave source string \"%1\""), str) << endmsg;
+	/*NOTREACHED*/
+	return None;
+}
+
+const char*
+slave_source_to_string (SlaveSource src)
+{
+	switch (src) {
+	case JACK:
+		return _("JACK");
+
+	case MTC:
+		return _("MTC");
+		
+	default:
+	case None:
+		return _("Internal");
+		
+	}
+}
+
+float
+meter_falloff_to_float (MeterFalloff falloff)
+{
+	switch (falloff) {
+	case MeterFalloffOff:
+		return 0.0f;
+	case MeterFalloffSlowest:
+		return 1.0f;
+	case MeterFalloffSlow:
+		return 2.0f;
+	case MeterFalloffMedium:
+		return 3.0f;
+	case MeterFalloffFast:
+		return 4.0f;
+	case MeterFalloffFaster:
+		return 5.0f;
+	case MeterFalloffFastest:
+	default:
+		return 6.0f;
+	}
+}
+
+float
+meter_hold_to_float (MeterHold hold)
+{
+	switch (hold) {
+	case MeterHoldOff:
+		return 0.0f;
+	case MeterHoldShort:
+		return 40.0f;
+	case MeterHoldMedium:
+		return 100.0f;
+	case MeterHoldLong:
+	default:
+		return 200.0f;
+	}
+}