Use unnamed semaphores

Also check for zoh/linear converters by enum name

src/include/sound.h

@@ -267,11 +267,6 @@ private:
                 sem_t* csem;
                 int state;
                 ringbuffer<float>* rb;
-
-                Cmovavg* avg;
-                double est_sample_rate;
-                unsigned long nframes;
-                PaTime stime;
         } sd[2];
 };
 

src/soundcard/sound.cxx

@@ -55,7 +55,6 @@
 
 #include "timeops.h"
 #include "ringbuffer.h"
-#include "filters.h"
 
 // We always read and write 2 channels from/to the audio device.
 // * input:  we ignore the right channel of captured samples
@@ -709,21 +708,13 @@ SoundPort::SoundPort(const char *in_dev, const char *out_dev)
         sd[0].dev_sample_rate = sd[1].dev_sample_rate = 0;
         sd[0].state = sd[1].state = spa_continue;
         sd[0].rb = sd[1].rb = 0;
-        sd[0].est_sample_rate = sd[1].est_sample_rate = 0.0;
-        sd[0].avg = new Cmovavg(128);
-        sd[1].avg = new Cmovavg(128);
 
-       sem_t** sems[] = { &sd[0].rwsem, &sd[0].csem, &sd[1].rwsem, &sd[1].csem };
-        char sname[32];
+	sem_t** sems[] = { &sd[0].rwsem, &sd[0].csem, &sd[1].rwsem, &sd[1].csem };
         for (size_t i = 0; i < sizeof(sems)/sizeof(*sems); i++) {
-                snprintf(sname, sizeof(sname), "%u-%u-%s", i, getpid(), PACKAGE);
-                if ((*sems[i] = sem_open(sname, O_CREAT | O_EXCL, 0600, 0)) == SEM_FAILED)
-                        throw SndException(errno);
-#ifndef __CYGWIN__ // FIXME: write an autoconf macro for sem_unlink
-                if (sem_unlink(sname) == -1)
-                        throw SndException(errno);
-#endif
-        }
+		*sems[i] = new sem_t;
+		if (sem_init(*sems[i], 0, 0) == -1)
+			throw SndException(errno);
+	}
 
         try {
                 rx_src_data = new SRC_DATA;
@@ -753,13 +744,12 @@ SoundPort::~SoundPort()
 {
         Close();
 
-        sem_t** sems[] = { &sd[0].rwsem, &sd[0].csem, &sd[1].rwsem, &sd[1].csem };
-        for (size_t i = 0; i < sizeof(sems)/sizeof(*sems); i++)
-                if (sem_close(*sems[i]) == -1)
+        sem_t* sems[] = { sd[0].rwsem, sd[0].csem, sd[1].rwsem, sd[1].csem };
+        for (size_t i = 0; i < sizeof(sems)/sizeof(*sems); i++) {
+                if (sem_destroy(sems[i]) == -1)
                         perror("sem_close");
-
-        delete sd[0].avg;
-        delete sd[1].avg;
+		delete sems[i];
+	}
 
         delete [] fbuf;
 }

src/soundcard/soundconf.cxx

@@ -194,8 +194,8 @@ static void sound_init_options(void)
 
 	const char* cname;
 	for (int i = 0; (cname = src_get_name(i)); i++) {
-		if (strstr( cname, "ZOH") != 0) continue;
-		if (strstr( cname, "Linear") != 0) continue;
+		if (i == SRC_ZERO_ORDER_HOLD || i == SRC_LINEAR)
+			continue;
 		menuSampleConverter->add(cname);
 	}
 	menuSampleConverter->value(progdefaults.sample_converter);