update

LinuxRelease/audio/wav2pcm.py

@@ -0,0 +1,22 @@
+from pydub import AudioSegment
+import os
+import sys
+
+def wav2pcm(wav_dir,out_pcm_dir):
+
+    for path,pathname,filenames in os.walk(wav_dir):
+        for filename in filenames:
+            
+            sound = AudioSegment.from_file(os.path.join(path,filename))
+            outfilename=os.path.join(out_pcm_dir,filename.split('.wav')[0]+'.pcm')
+            sound.export(outfilename, format='s16le', bitrate='8k')
+
+
+
+if __name__=="__main__":
+
+    if len(sys.argv) != 3:
+        print("usage: python wav2pcm.py in_dir  out_dir")    
+    else:
+        wav2pcm(sys.argv[1],sys.argv[2])
+    

WinRelease/wininstall.txt

@@ -0,0 +1,47 @@
+HSmodem Windows 10
+==================
+
+* das ZIP entpacken
+
+* in diesem Verzeichnis sind dann zwei exe Dateien und eibige DLLS
+
+* oscardata.exe starten
+dabei startet im Hintergrund das hsmodem. Vorerst geht dafür noch eine Konsole auf, wo man Meldungen ablesen kann die evt während der Entwicklung wichtig sind.
+
+Einstellung der Soundkarte:
+---------------------------
+ins Setup Fenster gehen und das virtuelle Audiokabel for Playback (das geht dann zur SDR Console auf die TX Seite)
+und das Record Audiokabel (das kommt von der SDR Konsole von der RX Seite).
+
+Senden von Testdaten:
+---------------------
+* für den ersten Test unten Speed: 3000 einstellen.
+* ins Fenster BER Test gehen
+* Start drücken
+ist das Playback-Audiokabel ordentlich initialisiert, so wird der TX Buffer Balken Aktivität zeigen, und Daten gehen zum Audikabel raus.
+
+SDR Konsole:
+------------
+Auf  der TX Seite das Audiokabel wählen und alles was Filtert ausschalten (kein Proc usw). Bandbreite hab ich mal auf 5kHz ESSB gestellt, wobei ich in der Konfig die untere Grenze von 100 auf 0 heruntergesetzt habe. Ob das notwendig ist wird man sehen.
+
+TX drücken und mit Gain so einstellen dass der ALC Balken nicht ins rote geht. Die Ausgangsleistung mit Drive einstellen.
+
+RX Seite: USB und auch alles was filtern könnte ausschalten, wobei da bei mir nichts zu machen war. Das Audiokabel auswählen.
+
+Wenn alles geht und der Pluto Rauschen empfängt, dann müßten in oscardata schon die Konstellationspunkte rauschen.
+
+Jetzt in der sdr Konsole TX aktivieren, und man sollte sich zurückhören.
+
+Frequenzeinstellung:
+--------------------
+Bei mir ist meist eine Abweichung von ca. 50 Hz einzustellen. Solange man noch falsch ist, ist das Konstellationsdiagramm ein Kreis oder pulsiert.
+Achtung: ich hab das anfangs nicht hinbekommen, weil ich vergessen hatte die SyncRX SyncTX auszuschalten. Immer wenn ich RX korrigiert hatte hat die SDR Console den TX nachgezogen :-) Nach Ausschalten vom Sync RX/TX war der korrekte Empfang schnell gefunden.
+
+ACHTUNG WINDOWS VERSION:
+========================
+es gibt noch irgendwo einen Datenstau den ich die nächsten Tage suchen muss. Nach einigem guten Empfang der Testdaten steckt der Empfang einen Moment fest wodurch Daten verloren gehen. Solange ich das nicht korrigiert habe macht es keinen Sinn Bilder zu senden. Die Linuxversion macht das nicht.
+
+Geschwindigkeit:
+================
+Beim IC9700 ist bei 6000 bit/s Schluss. Mit der SDR Konsole gehen auch die vollen 7200 bit/s, vorausgesetzt die Frequenz ist sauber eingestellt.
+

hsmodem/Makefile

@@ -1,7 +1,7 @@
 # makefile for dv_serial
 
 CXXFLAGS = -Wall -O3 -std=c++0x -Wno-write-strings -Wno-narrowing
-LDFLAGS = -lpthread -lrt -lsndfile -lasound -lm -lbass -lfftw3 -lfftw3_threads -lliquid
+LDFLAGS = -lpthread -lrt -lsndfile -lasound -lm -lbass -lbassflac -lfftw3 -lfftw3_threads -lliquid
 OBJ = hsmodem.o constellation.o crc16.o frame_packer.o main_helper.o scrambler.o speed.o fec.o audio.o udp.o fft.o liquid_if.o
 
 default: $(OBJ)

hsmodem/audio.cpp

@@ -50,8 +50,9 @@ HSTREAM stream = 0;
 int openpbdev = -1;
 int opencapdev = -1;
 
-/*void showDeviceInfo(BASS_DEVICEINFO info)
+void showDeviceInfo(BASS_DEVICEINFO info)
 {
+    printf("Name:%s driver:%s flags:%d:", info.name, info.driver,info.flags);
     if (info.flags & BASS_DEVICE_ENABLED)	printf("%s\n","BASS_DEVICE_ENABLED	");
     if (info.flags & BASS_DEVICE_DEFAULT)	printf("%s\n","BASS_DEVICE_DEFAULT	");
     if (info.flags & BASS_DEVICE_INIT)	printf("%s\n","BASS_DEVICE_INIT	");
@@ -68,7 +69,28 @@ int opencapdev = -1;
     if (info.flags & BASS_DEVICE_TYPE_SPDIF)	printf("%s\n","BASS_DEVICE_TYPE_SPDIF	");
     if (info.flags & BASS_DEVICE_TYPE_SPEAKERS)	printf("%s\n","BASS_DEVICE_TYPE_SPEAKERS	");
 
-}*/
+}
+
+void showDeviceInfoWasabi(BASS_WASAPI_DEVICEINFO info, int devnum)
+{
+    printf("%d: Name:%s defperiod:%f flags:%d minperiod:%f mixchans:%d mixfreq:%d type:%d ", devnum, info.name, info.defperiod, info.flags, info.minperiod,info.mixchans, info.mixfreq,info.type);
+    if (info.flags & BASS_DEVICE_ENABLED)	printf("%s\n", "BASS_DEVICE_ENABLED	");
+    if (info.flags & BASS_DEVICE_DEFAULT)	printf("%s\n", "BASS_DEVICE_DEFAULT	");
+    if (info.flags & BASS_DEVICE_INIT)	printf("%s\n", "BASS_DEVICE_INIT	");
+    if (info.flags & BASS_DEVICE_LOOPBACK)	printf("%s\n", "BASS_DEVICE_LOOPBACK	");
+    if (info.flags & BASS_DEVICE_TYPE_DIGITAL)	printf("%s\n", "BASS_DEVICE_TYPE_DIGITAL	");
+    if (info.flags & BASS_DEVICE_TYPE_DISPLAYPORT)	printf("%s\n", "BASS_DEVICE_TYPE_DISPLAYPORT	");
+    if (info.flags & BASS_DEVICE_TYPE_HANDSET)	printf("%s\n", "BASS_DEVICE_TYPE_HANDSET	");
+    if (info.flags & BASS_DEVICE_TYPE_HDMI)	printf("%s\n", "BASS_DEVICE_TYPE_HDMI	");
+    if (info.flags & BASS_DEVICE_TYPE_HEADPHONES)	printf("%s\n", "BASS_DEVICE_TYPE_HEADPHONES	");
+    if (info.flags & BASS_DEVICE_TYPE_HEADSET)	printf("%s\n", "BASS_DEVICE_TYPE_HEADSET	");
+    if (info.flags & BASS_DEVICE_TYPE_LINE)	printf("%s\n", "BASS_DEVICE_TYPE_LINE	");
+    if (info.flags & BASS_DEVICE_TYPE_MICROPHONE)	printf("%s\n", "BASS_DEVICE_TYPE_MICROPHONE	");
+    if (info.flags & BASS_DEVICE_TYPE_NETWORK)	printf("%s\n", "BASS_DEVICE_TYPE_NETWORK	");
+    if (info.flags & BASS_DEVICE_TYPE_SPDIF)	printf("%s\n", "BASS_DEVICE_TYPE_SPDIF	");
+    if (info.flags & BASS_DEVICE_TYPE_SPEAKERS)	printf("%s\n", "BASS_DEVICE_TYPE_SPEAKERS	");
+    printf("\n");
+}
 
 uint8_t devstring[MAXDEVSTRLEN +100];
 char PBdevs[100][256]; // stores the device names, just for diagnosis, has no real fuction
@@ -103,9 +125,10 @@ void readAudioDevs()
     BASS_DEVICEINFO info;
     for (a = 1; BASS_GetDeviceInfo(a, &info); a++)
     {
-        if (info.flags & BASS_DEVICE_ENABLED)
+        showDeviceInfo(info);
+        if (info.flags & BASS_DEVICE_ENABLED && !(info.flags & BASS_DEVICE_LOOPBACK))
         {
-            if (!strstr(info.name, "HDMI") && !strstr(info.name, "hdmi") && !strstr(info.name, "efault"))
+            if (!strstr(info.name, "efault"))
             {
                 audioPBdevs[pbanz].bassdev = a;
                 strncpy(audioPBdevs[pbanz].name, info.name, 255);
@@ -117,9 +140,10 @@ void readAudioDevs()
 
     for (a = 1; BASS_RecordGetDeviceInfo(a, &info); a++)
     {
-        if (info.flags & BASS_DEVICE_ENABLED)
+        //showDeviceInfo(info);
+        if (info.flags & BASS_DEVICE_ENABLED && !(info.flags & BASS_DEVICE_LOOPBACK))
         {
-            if (!strstr(info.name, "HDMI") && !strstr(info.name, "hdmi") && !strstr(info.name, "efault"))
+            if (!strstr(info.name, "efault"))
             {
                 audioCAPdevs[capanz].bassdev = a;
                 strncpy(audioCAPdevs[capanz].name, info.name, 255);
@@ -134,9 +158,10 @@ void readAudioDevs()
     BASS_WASAPI_DEVICEINFO info;
     for (a = 0; BASS_WASAPI_GetDeviceInfo(a, &info); a++)
     {
-        if (!(info.flags & BASS_DEVICE_INPUT) && (info.flags & BASS_DEVICE_ENABLED))
+        //showDeviceInfoWasabi(info,a);
+        if (!(info.flags & BASS_DEVICE_INPUT) && (info.flags & BASS_DEVICE_ENABLED) && !(info.flags & BASS_DEVICE_LOOPBACK))
         {
-            if (!strstr(info.name, "HDMI") && !strstr(info.name, "hdmi") && !strstr(info.name, "efault"))
+            if (!strstr(info.name, "efault"))
             {
                 audioPBdevs[pbanz].bassdev = a;
                 strncpy(audioPBdevs[pbanz].name, info.name, 255);
@@ -145,9 +170,9 @@ void readAudioDevs()
             }
         }
 
-        if ((info.flags & BASS_DEVICE_INPUT) && (info.flags & BASS_DEVICE_ENABLED))
+        if ((info.flags & BASS_DEVICE_INPUT) && (info.flags & BASS_DEVICE_ENABLED) && !(info.flags & BASS_DEVICE_LOOPBACK))
         {
-            if (!strstr(info.name, "HDMI") && !strstr(info.name, "hdmi") && !strstr(info.name, "efault"))
+            if (!strstr(info.name, "efault"))
             {
                 audioCAPdevs[capanz].bassdev = a;
                 strncpy(audioCAPdevs[capanz].name, info.name, 255);
@@ -181,6 +206,7 @@ void buildUdpAudioList()
     // playback devices
     for (int i = 0; i < pbanz; i++)
     {
+        sprintf((char*)devstring + strlen((char*)devstring), "%d: ", i);
         strcat((char*)devstring, audioPBdevs[i].name);
         strcat((char*)devstring, "~");    // audio device separator
     }
@@ -190,6 +216,7 @@ void buildUdpAudioList()
     // capture devices
     for (int i = 0; i < capanz; i++)
     {
+        sprintf((char*)devstring + strlen((char*)devstring), "%d: ", i);
         strcat((char*)devstring, audioCAPdevs[i].name);
         strcat((char*)devstring, "~");    // audio device separator
     }
@@ -224,7 +251,7 @@ static int f = 1;
 
     int pbdev = -1;
     if (setpbdev >=0 && setpbdev < pbanz) pbdev = audioPBdevs[setpbdev].bassdev;
-    int capdev = -1;
+    int capdev = -2;
     if (setcapdev >= 0 && setcapdev < capanz) capdev = audioCAPdevs[setcapdev].bassdev;
 
     printf("init audio, caprate:%d\n",caprate);
@@ -251,7 +278,7 @@ static int f = 1;
     // initialize default output device
     if (!BASS_Init(pbdev, caprate, 0, NULL, NULL))
     {
-        printf("Can't initialize output device\n");
+        printf("Can't initialize output device: %d err:%d\n", pbdev, BASS_ErrorGetCode());
         return -1;
     }
 
@@ -263,6 +290,8 @@ static int f = 1;
         return -1;
     }
     pbdev = ret;
+    openpbdev = pbdev;
+    printf("real BASS PB Device No: %d\n", pbdev);
 
     // set play callback
     BASS_GetInfo(&info);
@@ -275,7 +304,7 @@ static int f = 1;
     // initalize default recording device
     if (!BASS_RecordInit(capdev))
     {
-        printf("Can't initialize recording device: %d\n", BASS_ErrorGetCode());
+        printf("Can't initialize recording device: %d err:%d\n", capdev, BASS_ErrorGetCode());
         return -1;
     }
 
@@ -287,6 +316,7 @@ static int f = 1;
         return -1;
     }
     capdev = ret;
+    printf("real BASS CAP Device No: %d\n", capdev);
 
     // set capture callback
     rchan = BASS_RecordStart(caprate, CHANNELS, BASS_SAMPLE_FLOAT, RecordingCallback, 0);
@@ -297,7 +327,6 @@ static int f = 1;
 
     printf("audio initialized\n");
 
-    openpbdev = pbdev;
     opencapdev = capdev;
     
     return 0;
@@ -305,7 +334,6 @@ static int f = 1;
 }
 
 #ifdef _LINUX_
-
 void close_audio()
 {
     if(stream != 0)
@@ -394,7 +422,7 @@ DWORD CALLBACK WriteStream(HSTREAM handle, float *buffer, DWORD length, void *us
 	return length;
 }
 
-#endif // _LINUX_
+#endif
 
 // set volume 
 void setVolume(int pbcap, int v)
@@ -403,6 +431,7 @@ void setVolume(int pbcap, int v)
     else setCAPvolume(v);
  }
 
+
 // ================ thread safe fifo for audio callback routines ===============
 
 #ifdef _WIN32_
@@ -507,21 +536,9 @@ void pb_write_fifo_clear()
 
 int pb_fifo_usedBlocks()
 {
-static int old_fill = 0;
-int fill = 0;
-
     int fs = pb_fifo_freespace(0);
     int used = AUDIO_PLAYBACK_BUFLEN - fs;
     used /= (txinterpolfactor * UDPBLOCKLEN * 8 / bitsPerSymbol);
-
-    if (used > 0) fill = 1; else fill = 0;
-    if (fill == 1 && old_fill == 0)
-        printf("fifo has data to send\n");
-    if (fill == 0 && old_fill == 1)
-        printf("fifo now empty\n");
-    old_fill = fill;
-
-    //printf("free:%d used blocks:%d\n", fs, used);
     return used;
 }
 
@@ -541,6 +558,12 @@ int freebuf = 0;
     return freebuf;
 }
 
+int pb_fifo_usedspace()
+{
+    int anz = pb_fifo_freespace(0);
+    return AUDIO_PLAYBACK_BUFLEN - anz;
+}
+
 // read elements floats from fifo or return 0 if not enough floats are available
 int pb_read_fifo(float *data, int elements)
 {
@@ -567,3 +590,104 @@ int pb_read_fifo(float *data, int elements)
     return 1;
 }
 
+// ================ Play FLAC Audio File ===========================
+
+typedef struct _AUDIOFILES_ {
+    char fn[256];
+    int duration;
+} AUDIOFILES;
+
+AUDIOFILES audiofiles[12] =
+{
+    {"amsat", 1100},
+    {"qpsk", 1100},
+    {"psk8", 1100},
+    {"3000", 600},
+    {"4000", 600},
+    {"4410", 900},
+    {"4800", 900},
+    {"5500", 900},
+    {"6000", 600},
+    {"6600", 900},
+    {"7200", 900},
+    {"kbps", 1000},
+};
+
+char* getAudiofn(int aidx, char *ext)
+{
+    static char filename[300];
+    strcpy(filename, "audio/");
+    strcat(filename, audiofiles[aidx].fn);
+    strcat(filename, ext);
+    return filename;
+}
+
+void playAudioFLAC(int aidx)
+{
+    int resamp = 0;
+    int len;
+    int16_t d[100];
+    printf("play:%s\n", getAudiofn(aidx, ".pcm"));
+    FILE *fp = fopen(getAudiofn(aidx,".pcm"), "rb");
+    if (fp)
+    {
+        while ((len = fread(d, sizeof(int16_t), 100, fp)))
+        {
+            for (int i = 0; i < len; i++)
+            {
+                float f = (float)d[i];
+                f /= 32768;
+                pb_write_fifo(f);
+
+                if (caprate == 48000)
+                {
+                    if (++resamp >= 9)
+                    {
+                        resamp = 0;
+                        pb_write_fifo(f);
+                    }
+                }
+
+                // sync with soundcard
+                while (pb_fifo_usedspace() > 10000) sleep_ms(1);
+            }
+            if (len != 100) break;
+        }
+        fclose(fp);
+    }
+    else
+        printf("audio file not found\n");
+}
+
+int ann_running = 0;
+int transmissions = 10000;
+
+void sendAnnouncement()
+{
+    if (announcement == 0) return;
+
+    if (++transmissions >= announcement)
+    {
+        ann_running = 1;
+        transmissions = 0;
+
+        playAudioFLAC(0);
+        if(bitsPerSymbol == 2) playAudioFLAC(1);
+        else playAudioFLAC(2);
+        switch (linespeed)
+        {
+            case 3000: playAudioFLAC(3); break;
+            case 4000: playAudioFLAC(4); break;
+            case 4410: playAudioFLAC(5); break;
+            case 4800: playAudioFLAC(6); break;
+            case 5500: playAudioFLAC(7); break;
+            case 6000: playAudioFLAC(8); break;
+            case 6600: playAudioFLAC(9); break;
+            case 7200: playAudioFLAC(10); break;
+        }
+        playAudioFLAC(11);
+        
+        ann_running = 0;
+    }
+}
+

hsmodem/audio_wasapi.cpp

@@ -35,8 +35,8 @@ void init_pipes();
 void cap_write_fifo(float sample);
 int pb_read_fifo(float* data, int elements);
 void close_wasapi();
-DWORD CALLBACK PBcallback(void* buffer, DWORD length, void* user);
-DWORD CALLBACK CAPcallback(void* buffer, DWORD length, void* user);
+DWORD CALLBACK PBcallback_wasapi(void* buffer, DWORD length, void* user);
+DWORD CALLBACK CAPcallback_wasapi(void* buffer, DWORD length, void* user);
 
 float minPBvol = 0;
 float maxPBvol = 99;
@@ -48,14 +48,18 @@ extern int opencapdev;
 
 float softwareCAPvolume = 0.5;
 
+int use_wasapi = -1;
+
 int init_wasapi(int pbdev, int capdev)
 {
     close_wasapi();
 
+    use_wasapi = -1;
+
     // ======= init PLAYBACK device ========
 
     // initialize default output device
-    if (!BASS_WASAPI_Init(pbdev, caprate, WASAPI_CHANNELS, BASS_WASAPI_EXCLUSIVE, 0.1f/*buffer in seconds*/, 0, PBcallback, NULL))
+    if (!BASS_WASAPI_Init(pbdev, caprate, WASAPI_CHANNELS, BASS_WASAPI_EXCLUSIVE, 0.1f/*buffer in seconds*/, 0, PBcallback_wasapi, NULL))
     {
         printf("Can't initialize output device: %d err:%d\n", pbdev, BASS_ErrorGetCode());
         return -1;
@@ -91,9 +95,9 @@ int init_wasapi(int pbdev, int capdev)
 
     // initalize default recording device
     if (capdev == -1) capdev = -2;  // cap: -2 is the default device for input
-    if (!BASS_WASAPI_Init(capdev, caprate, WASAPI_CHANNELS, BASS_WASAPI_EXCLUSIVE, 0.1f/*buffer in seconds*/, 0, CAPcallback, NULL))
+    if (!BASS_WASAPI_Init(capdev, caprate, WASAPI_CHANNELS, BASS_WASAPI_EXCLUSIVE, 0.1f/*buffer in seconds*/, 0, CAPcallback_wasapi, NULL))
     {
-        printf("Can't initialize recording device: %d\n", BASS_ErrorGetCode());
+        printf("Can't initialize recording device: %d err:%d\n", capdev, BASS_ErrorGetCode());
         return -1;
     }
 
@@ -127,16 +131,18 @@ int init_wasapi(int pbdev, int capdev)
     openpbdev = pbdev;
     opencapdev = capdev;
 
+    use_wasapi = 0;
+
     return 0;
 }
 
-void selectPBdevice()
+void selectPBdevice_wasapi()
 {
     if (!BASS_WASAPI_SetDevice(openpbdev))
         printf("BASS_WASAPI_SetDevice: %d err:%d\n", openpbdev, BASS_ErrorGetCode());
 }
 
-void selectCAPdevice()
+void selectCAPdevice_wasapi()
 {
     if (!BASS_WASAPI_SetDevice(opencapdev))
         printf("BASS_WASAPI_SetDevice: %d err:%d\n", opencapdev, BASS_ErrorGetCode());
@@ -153,7 +159,7 @@ void setPBvolume(int v)
 
     printf("set PB volume to:%d / %f [%f..%f]\n", v, vf, minPBvol, maxPBvol);
 
-    selectPBdevice();
+    selectPBdevice_wasapi();
     if (!BASS_WASAPI_SetVolume(BASS_WASAPI_CURVE_DB, vf))
         printf("setPBvolume: %d err:%d\n", openpbdev, BASS_ErrorGetCode());
 }
@@ -172,18 +178,18 @@ void close_wasapi()
 
     if (openpbdev != -1)
     {
-        selectPBdevice();
+        selectPBdevice_wasapi();
         if (!BASS_WASAPI_Free()) printf("BASS_WASAPI_Free: dev:%d err:%d\n", openpbdev, BASS_ErrorGetCode());
     }
 
     if (opencapdev != -1)
     {
-        selectCAPdevice();
+        selectCAPdevice_wasapi();
         if (!BASS_WASAPI_Free()) printf("BASS_WASAPI_Free: dev:%d err:%d\n", opencapdev, BASS_ErrorGetCode());
     }
 }
 
-DWORD CALLBACK PBcallback(void* buffer, DWORD length, void* user)
+DWORD CALLBACK PBcallback_wasapi(void* buffer, DWORD length, void* user)
 {
     float* fbuffer = (float*)buffer;
 
@@ -211,7 +217,7 @@ DWORD CALLBACK PBcallback(void* buffer, DWORD length, void* user)
     return length;
 }
 
-DWORD CALLBACK CAPcallback(void* buffer, DWORD length, void* user)
+DWORD CALLBACK CAPcallback_wasapi(void* buffer, DWORD length, void* user)
 {
     //printf("CAP callback, len:%d\n",length);
     //measure_speed_bps(length/sizeof(float)/ WASAPI_CHANNELS);

hsmodem/bassflac.h

@@ -0,0 +1,98 @@
+/*
+	BASSFLAC 2.4 C/C++ header file
+	Copyright (c) 2004-2017 Un4seen Developments Ltd.
+
+	See the BASSFLAC.CHM file for more detailed documentation
+*/
+
+#ifndef BASSFLAC_H
+#define BASSFLAC_H
+
+#include "bass.h"
+
+#if BASSVERSION!=0x204
+#error conflicting BASS and BASSFLAC versions
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef BASSFLACDEF
+#define BASSFLACDEF(f) WINAPI f
+#endif
+
+// BASS_CHANNELINFO type
+#define BASS_CTYPE_STREAM_FLAC		0x10900
+#define BASS_CTYPE_STREAM_FLAC_OGG	0x10901
+
+// Additional tag types
+#define BASS_TAG_FLAC_CUE			12		// cuesheet : TAG_FLAC_CUE structure
+#define BASS_TAG_FLAC_PICTURE		0x12000	// + index #, picture : TAG_FLAC_PICTURE structure
+#define BASS_TAG_FLAC_METADATA		0x12400	// + index #, application metadata : TAG_FLAC_METADATA structure
+
+typedef struct {
+	DWORD apic;			// ID3v2 "APIC" picture type
+	const char *mime;	// mime type
+	const char *desc;	// description
+	DWORD width;
+	DWORD height;
+	DWORD depth;
+	DWORD colors;
+	DWORD length;		// data length
+	const void *data;
+} TAG_FLAC_PICTURE;
+
+typedef struct {
+	QWORD offset;			// index offset relative to track offset (samples)
+	DWORD number;			// index number
+} TAG_FLAC_CUE_TRACK_INDEX;
+
+typedef struct {
+	QWORD offset;			// track offset (samples)
+	DWORD number;			// track number
+	const char *isrc;		// ISRC
+	DWORD flags;
+	DWORD nindexes;			// number of indexes
+	const TAG_FLAC_CUE_TRACK_INDEX *indexes; // the indexes
+} TAG_FLAC_CUE_TRACK;
+
+typedef struct {
+	const char *catalog;	// media catalog number
+	DWORD leadin;			// lead-in (samples)
+	BOOL iscd;				// a CD?
+	DWORD ntracks;			// number of tracks
+	const TAG_FLAC_CUE_TRACK *tracks; // the tracks
+} TAG_FLAC_CUE;
+
+// TAG_FLAC_CUE_TRACK flags
+#define TAG_FLAC_CUE_TRACK_DATA	1	// data track
+#define TAG_FLAC_CUE_TRACK_PRE	2	// pre-emphasis
+
+typedef struct {
+	char id[4];
+	DWORD length;		// data length
+	const void *data;
+} TAG_FLAC_METADATA;
+
+HSTREAM BASSFLACDEF(BASS_FLAC_StreamCreateFile)(BOOL mem, const void *file, QWORD offset, QWORD length, DWORD flags);
+HSTREAM BASSFLACDEF(BASS_FLAC_StreamCreateURL)(const char *url, DWORD offset, DWORD flags, DOWNLOADPROC *proc, void *user);
+HSTREAM BASSFLACDEF(BASS_FLAC_StreamCreateFileUser)(DWORD system, DWORD flags, const BASS_FILEPROCS *procs, void *user);
+
+#ifdef __cplusplus
+}
+
+#ifdef _WIN32
+static inline HSTREAM BASS_FLAC_StreamCreateFile(BOOL mem, const WCHAR *file, QWORD offset, QWORD length, DWORD flags)
+{
+	return BASS_FLAC_StreamCreateFile(mem, (const void*)file, offset, length, flags|BASS_UNICODE);
+}
+
+static inline HSTREAM BASS_FLAC_StreamCreateURL(const WCHAR *url, DWORD offset, DWORD flags, DOWNLOADPROC *proc, void *user)
+{
+	return BASS_FLAC_StreamCreateURL((const char*)url, offset, flags|BASS_UNICODE, proc, user);
+}
+#endif
+#endif
+
+#endif

hsmodem/hsmodem.cpp

@@ -88,7 +88,7 @@ int UdpDataPort_fromGR_I_Q = 40137;
 
 // op mode depending values
 // default mode if not set by the app
-int speedmode = 7;
+int speedmode = 2;
 int bitsPerSymbol = 2;      // QPSK=2, 8PSK=3
 int constellationSize = 4;  // QPSK=4, 8PSK=8
 
@@ -101,11 +101,13 @@ int restart_modems = 0;
 int caprate = 44100;
 int txinterpolfactor = 20;
 int rxPreInterpolfactor = 5;
+int linespeed = 4410;
 
 int captureDeviceNo = -1;
 int playbackDeviceNo = -1;
 int initialPBvol = -1;
 int initialCAPvol = -1;
+int announcement = 0;
 
 int main(int argc, char* argv[])
 {
@@ -221,22 +223,21 @@ typedef struct {
     int tx;
     int rx;
     int bpsym;
+    int linespeed;
 } SPEEDRATE;
 
-SPEEDRATE sr[10] = {
+SPEEDRATE sr[8] = {
     // QPSK modes
-    {48000, 32, 8, 2}, // AudioRate, TX-Resampler, RX-Resampler/4, bit/symbol
-    {44100, 28, 7, 2}, // see samprate.ods
-    {44100, 24, 6, 2},
-    {48000, 24, 6, 2},
-    {44100, 20, 5, 2},
-    {48000, 20, 5, 2},
+    {48000, 32, 8, 2, 3000}, // AudioRate, TX-Resampler, RX-Resampler/4, bit/symbol, see samprate.ods
+    {48000, 24, 6, 2, 4000},
+    {44100, 20, 5, 2, 4410},
+    {48000, 20, 5, 2, 4800},
 
     // 8PSK modes
-    {44100, 24, 6, 3},
-    {48000, 24, 6, 3},
-    {44100, 20, 5, 3},
-    {48000, 20, 5, 3}
+    {44100, 24, 6, 3, 5500},
+    {48000, 24, 6, 3, 6000},
+    {44100, 20, 5, 3, 6600},
+    {48000, 20, 5, 3, 7200}
 };
 
 void startModem()
@@ -247,6 +248,7 @@ void startModem()
     caprate = sr[speedmode].audio;
     txinterpolfactor = sr[speedmode].tx;
     rxPreInterpolfactor = sr[speedmode].rx;
+    linespeed = sr[speedmode].linespeed;
 
     // int TX audio and modulator
     close_dsp();
@@ -256,7 +258,7 @@ void startModem()
     init_dsp();
 }
 
-void setAudioDevices(int pb, int cap, int pbvol, int capvol)
+void setAudioDevices(int pb, int cap, int pbvol, int capvol, int announce)
 {
     //printf("%d %d\n", pb, cap);
 
@@ -268,6 +270,8 @@ void setAudioDevices(int pb, int cap, int pbvol, int capvol)
         initialPBvol = pbvol;
         initialCAPvol = capvol;
     }
+
+    announcement = announce;
 }
 
 // called from UDP RX thread for Broadcast-search from App
@@ -275,7 +279,7 @@ void bc_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
 {
     if (len > 0 && pdata[0] == 0x3c)
     {
-        setAudioDevices(pdata[1], pdata[2], pdata[3], pdata[4]);
+        setAudioDevices(pdata[1], pdata[2], pdata[3], pdata[4], pdata[5]);
 
         char rxip[20];
         strcpy(rxip, inet_ntoa(rxsock->sin_addr));
@@ -325,6 +329,7 @@ void appdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
         speedmode = pdata[1];
         printf("set speedmode to %d\n", speedmode);
         restart_modems = 1;
+        transmissions = 1000;   // announcement at next TX
         return;
     }
 
@@ -392,9 +397,9 @@ void appdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
     if (minfo == 0)
     {
         // this is the first frame of a larger file
+        sendAnnouncement();
         // send it multiple times, like a preamble, to give the
         // receiver some time for synchronisation
-        // duration: 3 seconds
         // caprate: samples/s. This are symbols: caprate/txinterpolfactor
         // and bits: symbols * bitsPerSymbol
         // and bytes/second: bits/8 = (caprate/txinterpolfactor) * bitsPerSymbol / 8
@@ -405,7 +410,7 @@ void appdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
     }
     else if ((len - 2) < PAYLOADLEN)
     {
-        // if not enough data for a full payload add Zeros
+        // if not enough data for a full payload add Zeros 
         uint8_t payload[PAYLOADLEN];
         memset(payload, 0, PAYLOADLEN);
         memcpy(payload, pdata + 2, len - 2);
@@ -428,7 +433,7 @@ void toGR_sendData(uint8_t* data, int type, int status)
         sendToModulator(txdata, len);
 }
 
-// called by UDP RX thread or liquid demodulator for received data
+// called by liquid demodulator for received data
 void GRdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
 {
     static int fnd = 0;

hsmodem/hsmodem.h

@@ -55,6 +55,7 @@
 
 #include "bass.h"
 #include "basswasapi.h"
+#include "bassflac.h"
 #include "liquid.h"
 #include "frameformat.h"
 #include "fec.h"
@@ -111,6 +112,7 @@ void setPBvolume(int v);
 void setCAPvolume(int v); 
 void setVolume(int pbcap, int v);
 int init_wasapi(int pbdev, int capdev);
+void sendAnnouncement();
 
 void sleep_ms(int ms);
 void GRdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock);
@@ -140,6 +142,10 @@ extern int txinterpolfactor;
 extern int rxPreInterpolfactor;
 extern char appIP[20];
 extern float softwareCAPvolume;
+extern int announcement;
+extern int ann_running;
+extern int transmissions;
+extern int linespeed;
 
 #ifdef _LINUX_
 int isRunning(char* prgname);

hsmodem/hsmodem.vcxproj

@@ -220,6 +220,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClInclude Include="bass.h" />
+    <ClInclude Include="bassflac.h" />
     <ClInclude Include="basswasapi.h" />
     <ClInclude Include="fec.h" />
     <ClInclude Include="fftw3.h" />

hsmodem/hsmodem.vcxproj.filters

@@ -83,5 +83,8 @@
     <ClInclude Include="fec.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="bassflac.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

hsmodem/liquid_if.cpp

@@ -289,7 +289,7 @@ void make_FFTdata(float f)
         int bidx = 0;
         txpl[bidx++] = 4;    // type 4: FFT data follows
         int us = pb_fifo_usedBlocks();
-        if (us > 255) us = 255;
+        if (us > 255 || ann_running == 1) us = 255;
         txpl[bidx++] = us;    // usage of TX fifo
 
         for (int i = 0; i < fftlen; i++)
@@ -353,7 +353,7 @@ static int ccol_idx = 0;
         unsigned int sym_out;   // output symbol
         modem_demodulate(demod, syms, &sym_out);
         
-        //measure_speed_syms(1);
+        measure_speed_syms(1);
         
         // try to extract a complete frame
         uint8_t symb = sym_out;

hsmodem/speed.cpp

@@ -132,7 +132,7 @@ void measure_speed_syms(int len)
     speed = meanval((int)dspd) * bitsPerSymbol;
     
     // here we have number of elements after 1s
-    printf("%d sym/s\n",speed);
+    //printf("%d sym/s\n",speed);
     
     elems=0;
     lasttim = tim;

hsmodem/udp.cpp

@@ -140,7 +140,6 @@ void sendUDP(char *destIP, int destPort, uint8_t *pdata, int len)
 {
     int sockfd; 
     struct sockaddr_in     servaddr; 
-    //printf("%d %d %02X\n",destPort,len,pdata[0]);
   
     // Creating socket file descriptor 
     if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0 ) { 

oscardata/oscardata/Form1.Designer.cs

@@ -72,6 +72,7 @@
             this.bt_file_ascii = new System.Windows.Forms.Button();
             this.tabPage5 = new System.Windows.Forms.TabPage();
             this.groupBox4 = new System.Windows.Forms.GroupBox();
+            this.cb_autostart = new System.Windows.Forms.CheckBox();
             this.bt_shutdown = new System.Windows.Forms.Button();
             this.tb_shutdown = new System.Windows.Forms.TextBox();
             this.bt_resetmodem = new System.Windows.Forms.Button();
@@ -83,10 +84,13 @@
             this.tb_PBvol = new System.Windows.Forms.TrackBar();
             this.cb_audioPB = new System.Windows.Forms.ComboBox();
             this.label3 = new System.Windows.Forms.Label();
-            this.textBox3 = new System.Windows.Forms.TextBox();
             this.cb_audioCAP = new System.Windows.Forms.ComboBox();
             this.label4 = new System.Windows.Forms.Label();
             this.groupBox2 = new System.Windows.Forms.GroupBox();
+            this.textBox5 = new System.Windows.Forms.TextBox();
+            this.cb_announcement = new System.Windows.Forms.ComboBox();
+            this.textBox4 = new System.Windows.Forms.TextBox();
+            this.textBox1 = new System.Windows.Forms.TextBox();
             this.tb_callsign = new System.Windows.Forms.TextBox();
             this.label1 = new System.Windows.Forms.Label();
             this.cb_stampcall = new System.Windows.Forms.CheckBox();
@@ -96,6 +100,7 @@
             this.timer_searchmodem = new System.Windows.Forms.Timer(this.components);
             this.progressBar_fifo = new System.Windows.Forms.ProgressBar();
             this.label_fifo = new System.Windows.Forms.Label();
+            this.textBox3 = new System.Windows.Forms.TextBox();
             this.statusStrip1.SuspendLayout();
             this.tabPage1.SuspendLayout();
             this.tabPage2.SuspendLayout();
@@ -532,20 +537,34 @@
             // 
             // groupBox4
             // 
+            this.groupBox4.Controls.Add(this.cb_autostart);
             this.groupBox4.Controls.Add(this.bt_shutdown);
             this.groupBox4.Controls.Add(this.tb_shutdown);
             this.groupBox4.Controls.Add(this.bt_resetmodem);
             this.groupBox4.Controls.Add(this.textBox2);
+            this.groupBox4.Controls.Add(this.textBox3);
             this.groupBox4.Location = new System.Drawing.Point(12, 259);
             this.groupBox4.Name = "groupBox4";
-            this.groupBox4.Size = new System.Drawing.Size(384, 105);
+            this.groupBox4.Size = new System.Drawing.Size(674, 105);
             this.groupBox4.TabIndex = 15;
             this.groupBox4.TabStop = false;
             this.groupBox4.Text = "Maintenance";
             // 
+            // cb_autostart
+            // 
+            this.cb_autostart.AutoSize = true;
+            this.cb_autostart.Checked = true;
+            this.cb_autostart.CheckState = System.Windows.Forms.CheckState.Checked;
+            this.cb_autostart.Location = new System.Drawing.Point(17, 23);
+            this.cb_autostart.Name = "cb_autostart";
+            this.cb_autostart.Size = new System.Drawing.Size(131, 17);
+            this.cb_autostart.TabIndex = 4;
+            this.cb_autostart.Text = "AUTO start HSmodem";
+            this.cb_autostart.UseVisualStyleBackColor = true;
+            // 
             // bt_shutdown
             // 
-            this.bt_shutdown.Location = new System.Drawing.Point(17, 19);
+            this.bt_shutdown.Location = new System.Drawing.Point(491, 19);
             this.bt_shutdown.Name = "bt_shutdown";
             this.bt_shutdown.Size = new System.Drawing.Size(155, 23);
             this.bt_shutdown.TabIndex = 4;
@@ -558,7 +577,7 @@
             this.tb_shutdown.BorderStyle = System.Windows.Forms.BorderStyle.None;
             this.tb_shutdown.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.tb_shutdown.ForeColor = System.Drawing.Color.Red;
-            this.tb_shutdown.Location = new System.Drawing.Point(17, 48);
+            this.tb_shutdown.Location = new System.Drawing.Point(491, 48);
             this.tb_shutdown.Multiline = true;
             this.tb_shutdown.Name = "tb_shutdown";
             this.tb_shutdown.Size = new System.Drawing.Size(155, 50);
@@ -567,12 +586,13 @@
             // 
             // bt_resetmodem
             // 
-            this.bt_resetmodem.Location = new System.Drawing.Point(189, 19);
+            this.bt_resetmodem.Location = new System.Drawing.Point(183, 17);
             this.bt_resetmodem.Name = "bt_resetmodem";
             this.bt_resetmodem.Size = new System.Drawing.Size(117, 23);
             this.bt_resetmodem.TabIndex = 6;
             this.bt_resetmodem.Text = "Reset RX Modem";
             this.bt_resetmodem.UseVisualStyleBackColor = true;
+            this.bt_resetmodem.Visible = false;
             this.bt_resetmodem.Click += new System.EventHandler(this.bt_resetmodem_Click);
             // 
             // textBox2
@@ -580,12 +600,13 @@
             this.textBox2.BorderStyle = System.Windows.Forms.BorderStyle.None;
             this.textBox2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.textBox2.ForeColor = System.Drawing.Color.Black;
-            this.textBox2.Location = new System.Drawing.Point(189, 48);
+            this.textBox2.Location = new System.Drawing.Point(183, 46);
             this.textBox2.Multiline = true;
             this.textBox2.Name = "textBox2";
             this.textBox2.Size = new System.Drawing.Size(126, 50);
             this.textBox2.TabIndex = 11;
             this.textBox2.Text = "in case the RX has sync\r\nproblems, it can be\r\nre-initialized here.";
+            this.textBox2.Visible = false;
             // 
             // groupBox3
             // 
@@ -595,7 +616,6 @@
             this.groupBox3.Controls.Add(this.tb_PBvol);
             this.groupBox3.Controls.Add(this.cb_audioPB);
             this.groupBox3.Controls.Add(this.label3);
-            this.groupBox3.Controls.Add(this.textBox3);
             this.groupBox3.Controls.Add(this.cb_audioCAP);
             this.groupBox3.Controls.Add(this.label4);
             this.groupBox3.Location = new System.Drawing.Point(12, 146);
@@ -669,18 +689,6 @@
             this.label3.TabIndex = 8;
             this.label3.Text = "Audio Playback Device:";
             // 
-            // textBox3
-            // 
-            this.textBox3.BorderStyle = System.Windows.Forms.BorderStyle.None;
-            this.textBox3.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
-            this.textBox3.ForeColor = System.Drawing.Color.Black;
-            this.textBox3.Location = new System.Drawing.Point(138, 79);
-            this.textBox3.Multiline = true;
-            this.textBox3.Name = "textBox3";
-            this.textBox3.Size = new System.Drawing.Size(177, 19);
-            this.textBox3.TabIndex = 12;
-            this.textBox3.Text = "(HDMI is usually not used)";
-            // 
             // cb_audioCAP
             // 
             this.cb_audioCAP.FormattingEnabled = true;
@@ -701,17 +709,78 @@
             // 
             // groupBox2
             // 
+            this.groupBox2.Controls.Add(this.textBox5);
+            this.groupBox2.Controls.Add(this.cb_announcement);
+            this.groupBox2.Controls.Add(this.textBox4);
+            this.groupBox2.Controls.Add(this.textBox1);
             this.groupBox2.Controls.Add(this.tb_callsign);
             this.groupBox2.Controls.Add(this.label1);
             this.groupBox2.Controls.Add(this.cb_stampcall);
             this.groupBox2.Controls.Add(this.cb_savegoodfiles);
             this.groupBox2.Location = new System.Drawing.Point(12, 13);
             this.groupBox2.Name = "groupBox2";
-            this.groupBox2.Size = new System.Drawing.Size(384, 126);
+            this.groupBox2.Size = new System.Drawing.Size(674, 126);
             this.groupBox2.TabIndex = 13;
             this.groupBox2.TabStop = false;
             this.groupBox2.Text = "Personal Settings";
             // 
+            // textBox5
+            // 
+            this.textBox5.BorderStyle = System.Windows.Forms.BorderStyle.None;
+            this.textBox5.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.textBox5.ForeColor = System.Drawing.Color.Black;
+            this.textBox5.Location = new System.Drawing.Point(261, 92);
+            this.textBox5.Multiline = true;
+            this.textBox5.Name = "textBox5";
+            this.textBox5.Size = new System.Drawing.Size(34, 19);
+            this.textBox5.TabIndex = 20;
+            this.textBox5.Text = "every";
+            // 
+            // cb_announcement
+            // 
+            this.cb_announcement.FormattingEnabled = true;
+            this.cb_announcement.Items.AddRange(new object[] {
+            "off",
+            "1",
+            "2",
+            "3",
+            "4",
+            "5",
+            "6",
+            "7",
+            "8",
+            "9",
+            "10"});
+            this.cb_announcement.Location = new System.Drawing.Point(296, 90);
+            this.cb_announcement.Name = "cb_announcement";
+            this.cb_announcement.Size = new System.Drawing.Size(56, 21);
+            this.cb_announcement.TabIndex = 19;
+            this.cb_announcement.Text = "4";
+            // 
+            // textBox4
+            // 
+            this.textBox4.BorderStyle = System.Windows.Forms.BorderStyle.None;
+            this.textBox4.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.textBox4.ForeColor = System.Drawing.Color.Black;
+            this.textBox4.Location = new System.Drawing.Point(361, 92);
+            this.textBox4.Multiline = true;
+            this.textBox4.Name = "textBox4";
+            this.textBox4.Size = new System.Drawing.Size(75, 19);
+            this.textBox4.TabIndex = 18;
+            this.textBox4.Text = "transmissions";
+            // 
+            // textBox1
+            // 
+            this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.None;
+            this.textBox1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.textBox1.ForeColor = System.Drawing.Color.Black;
+            this.textBox1.Location = new System.Drawing.Point(259, 68);
+            this.textBox1.Multiline = true;
+            this.textBox1.Name = "textBox1";
+            this.textBox1.Size = new System.Drawing.Size(253, 19);
+            this.textBox1.TabIndex = 17;
+            this.textBox1.Text = "send announcement before pic/file transfer";
+            // 
             // tb_callsign
             // 
             this.tb_callsign.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
@@ -758,15 +827,13 @@
             this.cb_speed.FormattingEnabled = true;
             this.cb_speed.Items.AddRange(new object[] {
             "3000 QPSK BW: 1700 Hz ",
-            "3150 QPSK BW: 1800 Hz ",
-            "3675 QPSK BW: 2100 Hz ",
             "4000 QPSK BW: 2400 Hz ",
             "4410 QPSK BW: 2500 Hz (QO-100)",
             "4800 QPSK BW: 2700 Hz",
-            "5500 8PSK BW: 2300 Hz",
-            "6000 8PSK BW: 2500 Hz (QO-100)",
-            "6600 8PSK BW: 2600 Hz",
-            "7200 8PSK BW: 2700 Hz"});
+            "5500 8APSK BW: 2300 Hz",
+            "6000 8APSK BW: 2500 Hz (QO-100)",
+            "6600 8APSK BW: 2600 Hz",
+            "7200 8APSK BW: 2700 Hz"});
             this.cb_speed.Location = new System.Drawing.Point(636, 593);
             this.cb_speed.Name = "cb_speed";
             this.cb_speed.Size = new System.Drawing.Size(324, 21);
@@ -807,6 +874,18 @@
             this.label_fifo.TabIndex = 14;
             this.label_fifo.Text = "TX Buffer:";
             // 
+            // textBox3
+            // 
+            this.textBox3.BorderStyle = System.Windows.Forms.BorderStyle.None;
+            this.textBox3.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.textBox3.ForeColor = System.Drawing.Color.Black;
+            this.textBox3.Location = new System.Drawing.Point(15, 46);
+            this.textBox3.Multiline = true;
+            this.textBox3.Name = "textBox3";
+            this.textBox3.Size = new System.Drawing.Size(151, 50);
+            this.textBox3.TabIndex = 12;
+            this.textBox3.Text = "only uncheck if modem runs on a separate PC";
+            // 
             // Form1
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -909,7 +988,6 @@
         private System.Windows.Forms.Label label3;
         private System.Windows.Forms.ComboBox cb_audioPB;
         private System.Windows.Forms.TextBox textBox2;
-        private System.Windows.Forms.TextBox textBox3;
         private System.Windows.Forms.GroupBox groupBox4;
         private System.Windows.Forms.GroupBox groupBox3;
         private System.Windows.Forms.GroupBox groupBox2;
@@ -919,6 +997,12 @@
         private System.Windows.Forms.TrackBar tb_CAPvol;
         private System.Windows.Forms.ProgressBar progressBar_fifo;
         private System.Windows.Forms.Label label_fifo;
+        private System.Windows.Forms.CheckBox cb_autostart;
+        private System.Windows.Forms.TextBox textBox5;
+        private System.Windows.Forms.ComboBox cb_announcement;
+        private System.Windows.Forms.TextBox textBox4;
+        private System.Windows.Forms.TextBox textBox1;
+        private System.Windows.Forms.TextBox textBox3;
     }
 }
 

oscardata/oscardata/Form1.cs

@@ -60,9 +60,6 @@ namespace oscardata
             else
                 statics.ostype = 1; // Linux
 
-            // start hsmodem (.exe)
-            modemrunning = statics.StartHSmodem();
-
             // set temp paths
             statics.zip_TXtempfilename = statics.addTmpPath(statics.zip_TXtempfilename);
             statics.zip_RXtempfilename = statics.addTmpPath(statics.zip_RXtempfilename);
@@ -70,6 +67,12 @@ namespace oscardata
 
             load_Setup();
 
+            if (cb_autostart.Checked)
+            {
+                // start hsmodem (.exe)
+                modemrunning = statics.StartHSmodem();
+            }
+
             checkBox_small_CheckedChanged(null, null);
 
             // init speed
@@ -219,19 +222,16 @@ namespace oscardata
                 Udp.UdpSendCtrl(txdata);
                 setCAPvolume = -1;
             }
-
-            /*if(modemrunning == false)
-            {
-                // start hsmodem (.exe)
-                modemrunning = statics.StartHSmodem();
-            }*/
         }
 
         private void Form1_FormClosing(object sender, FormClosingEventArgs e)
         {
             save_Setup();
-            statics.killall("hsmodem");
-            statics.killall("hsmodem.exe");
+            if (cb_autostart.Checked)
+            {
+                statics.killall("hsmodem");
+                statics.killall("hsmodem.exe");
+            }
             // exit the threads
             statics.running = false;
             Udp.Close();
@@ -624,7 +624,7 @@ namespace oscardata
                     int rest = ArraySend.FileSize - rxbytecounter;
                     if (rest < 0) rest = 0;
                     if(rest > 0)
-                        label_rximage.Text = "RX image: " + ArraySend.rxFilename + " " + rest.ToString() + " bytes";
+                        label_rximage.Text = "RX image: " + ArraySend.rxFilename + " remaining: " + rest.ToString() + " bytes";
                     else
                         label_rximage.Text = "RX image: " + ArraySend.rxFilename;
                     ShowStatus(rxbytecounter, (int)ts.TotalSeconds);
@@ -668,7 +668,9 @@ namespace oscardata
 
             panel_txspectrum.Invalidate();
 
-            progressBar_fifo.Value = statics.PBfifousage;
+            if (statics.PBfifousage < progressBar_fifo.Minimum)         progressBar_fifo.Value = progressBar_fifo.Minimum;
+            else if (statics.PBfifousage >= progressBar_fifo.Maximum)   progressBar_fifo.Value = progressBar_fifo.Maximum-1;
+            else                                                        progressBar_fifo.Value = statics.PBfifousage;
         }
 
         private void panel_constel_Paint(object sender, PaintEventArgs e)
@@ -872,7 +874,12 @@ namespace oscardata
             lastFullName = fullfn;
 
             // random filename for picturebox control (picturebox cannot reload image from actual filename)
-            try { File.Delete(TXimagefilename); } catch { }
+            try {
+                //File.Delete(TXimagefilename); 
+                // delete also older unused files
+                foreach (string f in Directory.EnumerateFiles(statics.addTmpPath(""), "tempTX*.jpg"))
+                    File.Delete(f);
+            } catch { }
             Random randNum = new Random();
             TXimagefilename = statics.addTmpPath("tempTX" + randNum.Next(0, 65000).ToString() + ".jpg");
 
@@ -964,7 +971,7 @@ namespace oscardata
             txcommand = statics.Image;
             rxbytecounter = 0;
             pictureBox_rximage.Image = null;
-            Byte[] imgarr = File.ReadAllBytes(TXimagefilename); // compress temp file name
+            Byte[] imgarr = File.ReadAllBytes(TXimagefilename); // compressed temp file name
             ArraySend.Send(imgarr, statics.Image, TXimagefilename, TXRealFilename);    // compress temp file name and real file name
         }
 
@@ -1185,12 +1192,13 @@ namespace oscardata
 
         private void search_modem()
         {
-            Byte[] txb = new byte[5];
+            Byte[] txb = new byte[6];
             txb[0] = 0x3c;  // ID of this message
             txb[1] = getPBaudioDevice();
             txb[2] = getCAPaudioDevice();
             txb[3] = (Byte)tb_PBvol.Value;
             txb[4] = (Byte)tb_CAPvol.Value;
+            txb[5] = (Byte)cb_announcement.Items.IndexOf(cb_announcement.Text);
 
             Udp.UdpBCsend(txb, GetMyBroadcastIP(), statics.UdpBCport_AppToModem);
 
@@ -1295,7 +1303,7 @@ namespace oscardata
             // and send info to modem
             Udp.UdpSendCtrl(txdata);
 
-            //txcommand = statics.noTX;
+            txcommand = statics.noTX;
             // stop any ongoing transmission
             button_cancelimg_Click(null, null);
         }
@@ -1404,6 +1412,9 @@ namespace oscardata
                     cb_audioCAP.Text = ReadString(sr);
                     tb_PBvol.Value = ReadInt(sr);
                     tb_CAPvol.Value = ReadInt(sr);
+                    s = ReadString(sr);
+                    cb_autostart.Checked = (s == "1");
+                    try { cb_announcement.Text = ReadString(sr); } catch { }
                 }
             }
             catch
@@ -1430,6 +1441,9 @@ namespace oscardata
                     sw.WriteLine(cb_audioCAP.Text);
                     sw.WriteLine(tb_PBvol.Value.ToString());
                     sw.WriteLine(tb_CAPvol.Value.ToString());
+                    sw.WriteLine(cb_autostart.Checked ? "1" : "0");
+                    sw.WriteLine(cb_announcement.Text);
+
                 }
             }
             catch { }

oscardata/oscardata/udp.cs

@@ -83,10 +83,13 @@ namespace oscardata
                         int rxtype = rxarr[0];
                         Byte[] b = new byte[rxarr.Length - 1];
                         Array.Copy(rxarr, 1, b, 0, b.Length);
-                        
+
                         // payload
                         if (rxtype == statics.udp_payload)
+                        {
+                            //Console.WriteLine("payload");
                             uq_rx.Add(b);
+                        }
 
                         // Broadcast response
                         if (rxtype == statics.udp_bc)
@@ -97,7 +100,7 @@ namespace oscardata
                             String s = statics.ByteArrayToString(b);
                             String[] sa1 = s.Split(new char[] { '^' });
                             statics.AudioPBdevs = sa1[0].Split(new char[] { '~' });
-                            statics.AudioCAPdevs = sa1[1].Split(new char[] { '~' });
+                            statics.AudioCAPdevs = sa1[1].Split(new char[] { '~' }); 
                             if(statics.GotAudioDevices == 0)
                                 statics.GotAudioDevices = 1;
                         }
@@ -114,6 +117,7 @@ namespace oscardata
                         // IQ data
                         if (rxtype == statics.udp_iq)
                         {
+                            //Console.WriteLine("IQ");
                             for (int i = 0; i < b.Length; i++)
                             {
                                 // insert new byte in lastb