kopia lustrzana https://github.com/windytan/slowrx
Oona Räisänen
rodzic
657fd58940
commit
cf34bf5f45
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@ -1,20 +1,3 @@
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slowrx
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rx
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rx-lum
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Makefile.in
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/autom4te.cache
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/aclocal.m4
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/compile
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/configure
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/depcomp
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/install-sh
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/missing
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/stamp-h1
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Makefile
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autoscan.log
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config.h
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config.h.in
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config.log
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config.status
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configure.scan
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.deps
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@ -1,11 +1,10 @@
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AC_INIT([slowrx], [0.1], [oona@kapsi.fi])
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AM_INIT_AUTOMAKE([-Wall -Werror foreign])
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AX_CXX_COMPILE_STDCXX_11()
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AC_PROG_CXX
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([
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Makefile
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src/uus/Makefile
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src/Makefile
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])
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PKG_CHECK_MODULES([GTKMM], [gtkmm-3.0 >= 3.8.0])
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AC_OUTPUT
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@ -1,4 +1,4 @@
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bin_PROGRAMS = slowrx
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slowrx_CPPFLAGS = $(GTKMM_CFLAGS)
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slowrx_LDADD = $(GTKMM_LIBS)
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slowrx_SOURCES = slowrx.cc modespec.cc
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slowrx_SOURCES = slowrx.cc common.cc gui.cc fsk.cc modespec.cc pcm.cc sync.cc video.cc vis.cc
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113
src/common.h
113
src/common.h
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@ -6,6 +6,15 @@
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#define BUFLEN 4096
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#define SYNCPIXLEN 1.5e-3
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extern gboolean Abort;
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extern gboolean Adaptive;
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extern gboolean *HasSync;
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extern gboolean ManualActivated;
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extern gboolean ManualResync;
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extern guchar *StoredLum;
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extern pthread_t thread1;
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extern guchar VISmap[];
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typedef struct _FFTStuff FFTStuff;
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struct _FFTStuff {
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double *in;
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@ -17,51 +26,49 @@ extern FFTStuff fft;
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typedef struct _PcmData PcmData;
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struct _PcmData {
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// snd_pcm_t *handle;
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void *handle;
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snd_pcm_t *handle;
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gint16 *Buffer;
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int WindowPtr;
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gboolean BufferDrop;
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};
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//extern PcmData pcm;
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extern PcmData pcm;
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typedef struct _GuiObjs GuiObjs;
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struct _GuiObjs {
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Gtk::Button *button_abort;
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Gtk::Button *button_browse;
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Gtk::Button *button_clear;
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Gtk::Button *button_start;
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Gtk::ComboBox *combo_card;
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Gtk::ComboBox *combo_mode;
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Gtk::Widget *entry_picdir;
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Gtk::Widget *eventbox_img;
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Gtk::Widget *frame_manual;
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Gtk::Widget *frame_slant;
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Gtk::Widget *grid_vu;
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Gtk::Widget *iconview;
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Gtk::Widget *image_devstatus;
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Gtk::Widget *image_pwr;
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Gtk::Widget *image_rx;
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Gtk::Widget *image_snr;
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Gtk::Label *label_fskid;
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Gtk::Label *label_lastmode;
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Gtk::Label *label_utc;
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Gtk::MenuItem *menuitem_about;
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Gtk::MenuItem *menuitem_quit;
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Gtk::SpinButton *spin_shift;
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Gtk::Widget *statusbar;
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Gtk::ToggleButton *tog_adapt;
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Gtk::ToggleButton *tog_fsk;
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Gtk::ToggleButton *tog_rx;
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Gtk::ToggleButton *tog_save;
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Gtk::ToggleButton *tog_setedge;
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Gtk::ToggleButton *tog_slant;
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Gtk::Window *window_about;
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Gtk::Window *window_main;
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GtkWidget *button_abort;
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GtkWidget *button_browse;
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GtkWidget *button_clear;
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GtkWidget *button_start;
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GtkWidget *combo_card;
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GtkWidget *combo_mode;
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GtkWidget *entry_picdir;
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GtkWidget *eventbox_img;
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GtkWidget *frame_manual;
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GtkWidget *frame_slant;
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GtkWidget *grid_vu;
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GtkWidget *iconview;
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GtkWidget *image_devstatus;
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GtkWidget *image_pwr;
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GtkWidget *image_rx;
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GtkWidget *image_snr;
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GtkWidget *label_fskid;
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GtkWidget *label_lastmode;
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GtkWidget *label_utc;
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GtkWidget *menuitem_about;
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GtkWidget *menuitem_quit;
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GtkWidget *spin_shift;
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GtkWidget *statusbar;
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GtkWidget *tog_adapt;
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GtkWidget *tog_fsk;
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GtkWidget *tog_rx;
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GtkWidget *tog_save;
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GtkWidget *tog_setedge;
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GtkWidget *tog_slant;
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GtkWidget *window_about;
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GtkWidget *window_main;
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};
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extern GuiObjs gui;
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/*
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extern GdkPixbuf *pixbuf_PWR;
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extern GdkPixbuf *pixbuf_SNR;
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extern GdkPixbuf *pixbuf_rx;
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@ -69,13 +76,13 @@ extern GdkPixbuf *pixbuf_disp;
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extern GtkListStore *savedstore;
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extern GKeyFile *config;*/
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extern GKeyFile *config;
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typedef struct _PicMeta PicMeta;
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struct _PicMeta {
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int HedrShift;
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int Mode;
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gshort HedrShift;
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guchar Mode;
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double Rate;
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int Skip;
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GdkPixbuf *thumbbuf;
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@ -100,36 +107,36 @@ enum {
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};
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typedef struct ModeSpec {
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std::string Name;
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std::string ShortName;
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char *Name;
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char *ShortName;
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double SyncTime;
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double PorchTime;
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double SeptrTime;
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double PixelTime;
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double LineTime;
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int ImgWidth;
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int NumLines;
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int LineHeight;
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int ColorEnc;
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gushort ImgWidth;
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gushort NumLines;
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guchar LineHeight;
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guchar ColorEnc;
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} _ModeSpec;
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extern _ModeSpec ModeSpec[];
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double power (fftw_complex coeff);
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int clip (double a);
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double power (fftw_complex coeff);
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guchar clip (double a);
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void createGUI ();
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double deg2rad (double Deg);
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double FindSync (int Mode, double Rate, int *Skip);
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double FindSync (guchar Mode, double Rate, int *Skip);
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void GetFSK (char *dest);
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bool GetVideo (int Mode, double Rate, int Skip, bool Redraw);
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int GetVIS ();
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int GetBin (double Freq, int FFTLen);
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int initPcmDevice (char *);
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gboolean GetVideo (guchar Mode, double Rate, int Skip, gboolean Redraw);
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guchar GetVIS ();
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guint GetBin (double Freq, guint FFTLen);
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int initPcmDevice ();
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void *Listen ();
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void populateDeviceList ();
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void readPcm (int numsamples);
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void readPcm (gint numsamples);
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void saveCurrentPic();
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void setVU (double *Power, int FFTLen, int WinIdx, bool ShowWin);
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void setVU (double *Power, int FFTLen, int WinIdx, gboolean ShowWin);
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void evt_AbortRx ();
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void evt_changeDevices ();
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@ -1,4 +1,7 @@
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#include <gtkmm.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <gtk/gtk.h>
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#include <alsa/asoundlib.h>
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#include <fftw3.h>
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265
src/slowrx.cc
265
src/slowrx.cc
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@ -1,21 +1,256 @@
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#include <gtkmm.h>
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/*
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* slowrx - an SSTV decoder
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* * * * * * * * * * * * * *
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <gtk/gtk.h>
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#include <pthread.h>
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#include <alsa/asoundlib.h>
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#include <fftw3.h>
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#include "common.h"
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int startGui (int, char**);
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// The thread that listens to VIS headers and calls decoders etc
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void *Listen() {
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char rctime[8];
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guchar Mode=0;
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struct tm *timeptr = NULL;
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time_t timet;
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gboolean Finished;
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char id[20];
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GtkTreeIter iter;
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while (TRUE) {
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gdk_threads_enter ();
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gtk_widget_set_sensitive (gui.grid_vu, TRUE);
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gtk_widget_set_sensitive (gui.button_abort, FALSE);
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gtk_widget_set_sensitive (gui.button_clear, TRUE);
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gdk_threads_leave ();
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pcm.WindowPtr = 0;
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snd_pcm_prepare(pcm.handle);
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snd_pcm_start (pcm.handle);
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Abort = FALSE;
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do {
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// Wait for VIS
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Mode = GetVIS();
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// Stop listening on ALSA error
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if (Abort) pthread_exit(NULL);
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// If manual resync was requested, redraw image
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if (ManualResync) {
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ManualResync = FALSE;
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snd_pcm_drop(pcm.handle);
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printf("getvideo at %.2f skip %d\n",CurrentPic.Rate,CurrentPic.Skip);
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GetVideo(CurrentPic.Mode, CurrentPic.Rate, CurrentPic.Skip, TRUE);
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(gui.tog_save)))
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saveCurrentPic();
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pcm.WindowPtr = 0;
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snd_pcm_prepare(pcm.handle);
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snd_pcm_start (pcm.handle);
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}
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} while (Mode == 0);
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// Start reception
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CurrentPic.Rate = 44100;
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CurrentPic.Mode = Mode;
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printf(" ==== %s ====\n", ModeSpec[CurrentPic.Mode].Name);
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// Store time of reception
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timet = time(NULL);
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timeptr = gmtime(&timet);
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strftime(CurrentPic.timestr, sizeof(CurrentPic.timestr)-1,"%Y%m%d-%H%M%Sz", timeptr);
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// Allocate space for cached Lum
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free(StoredLum);
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StoredLum = calloc( (int)((ModeSpec[CurrentPic.Mode].LineTime * ModeSpec[CurrentPic.Mode].NumLines + 1) * 44100), sizeof(guchar));
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if (StoredLum == NULL) {
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perror("Listen: Unable to allocate memory for Lum");
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exit(EXIT_FAILURE);
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}
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// Allocate space for sync signal
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HasSync = calloc((int)(ModeSpec[CurrentPic.Mode].LineTime * ModeSpec[CurrentPic.Mode].NumLines / (13.0/44100) +1), sizeof(gboolean));
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if (HasSync == NULL) {
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perror("Listen: Unable to allocate memory for sync signal");
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exit(EXIT_FAILURE);
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}
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// Get video
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strftime(rctime, sizeof(rctime)-1, "%H:%Mz", timeptr);
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gdk_threads_enter ();
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gtk_label_set_text (GTK_LABEL(gui.label_fskid), "");
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gtk_widget_set_sensitive (gui.frame_manual, FALSE);
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gtk_widget_set_sensitive (gui.frame_slant, FALSE);
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gtk_widget_set_sensitive (gui.combo_card, FALSE);
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gtk_widget_set_sensitive (gui.button_abort, TRUE);
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gtk_widget_set_sensitive (gui.button_clear, FALSE);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(gui.tog_setedge), FALSE);
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gtk_statusbar_push (GTK_STATUSBAR(gui.statusbar), 0, "Receiving video..." );
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gtk_label_set_markup (GTK_LABEL(gui.label_lastmode), ModeSpec[CurrentPic.Mode].Name);
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gtk_label_set_markup (GTK_LABEL(gui.label_utc), rctime);
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gdk_threads_leave ();
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printf(" getvideo @ %.1f Hz, Skip %d, HedrShift %+d Hz\n", 44100.0, 0, CurrentPic.HedrShift);
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Finished = GetVideo(CurrentPic.Mode, 44100, 0, FALSE);
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gdk_threads_enter ();
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gtk_widget_set_sensitive (gui.button_abort, FALSE);
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gdk_threads_leave ();
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id[0] = '\0';
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if (Finished && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(gui.tog_fsk))) {
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gdk_threads_enter ();
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gtk_statusbar_push (GTK_STATUSBAR(gui.statusbar), 0, "Receiving FSK ID..." );
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gdk_threads_leave ();
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GetFSK(id);
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printf(" FSKID \"%s\"\n",id);
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gdk_threads_enter ();
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gtk_label_set_text (GTK_LABEL(gui.label_fskid), id);
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gdk_threads_leave ();
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}
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snd_pcm_drop(pcm.handle);
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if (Finished && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(gui.tog_slant))) {
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// Fix slant
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//setVU(0,6);
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gdk_threads_enter ();
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gtk_statusbar_push (GTK_STATUSBAR(gui.statusbar), 0, "Calculating slant..." );
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gtk_widget_set_sensitive (gui.grid_vu, FALSE);
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gdk_threads_leave ();
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printf(" FindSync @ %.1f Hz\n",CurrentPic.Rate);
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CurrentPic.Rate = FindSync(CurrentPic.Mode, CurrentPic.Rate, &CurrentPic.Skip);
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// Final image
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printf(" getvideo @ %.1f Hz, Skip %d, HedrShift %+d Hz\n", CurrentPic.Rate, CurrentPic.Skip, CurrentPic.HedrShift);
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GetVideo(CurrentPic.Mode, CurrentPic.Rate, CurrentPic.Skip, TRUE);
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}
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free (HasSync);
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HasSync = NULL;
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// Add thumbnail to iconview
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CurrentPic.thumbbuf = gdk_pixbuf_scale_simple (pixbuf_rx, 100,
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100.0/ModeSpec[CurrentPic.Mode].ImgWidth * ModeSpec[CurrentPic.Mode].NumLines * ModeSpec[CurrentPic.Mode].LineHeight, GDK_INTERP_HYPER);
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gdk_threads_enter ();
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gtk_list_store_prepend (savedstore, &iter);
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gtk_list_store_set (savedstore, &iter, 0, CurrentPic.thumbbuf, 1, id, -1);
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gdk_threads_leave ();
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// Save PNG
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(gui.tog_save))) {
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//setVU(0,6);
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/*ensure_dir_exists("rx-lum");
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LumFile = fopen(lumfilename,"w");
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if (LumFile == NULL)
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perror("Unable to open luma file for writing");
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fwrite(StoredLum,1,(ModeSpec[Mode].LineTime * ModeSpec[Mode].NumLines) * 44100,LumFile);
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fclose(LumFile);*/
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saveCurrentPic();
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}
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gdk_threads_enter ();
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gtk_widget_set_sensitive (gui.frame_slant, TRUE);
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gtk_widget_set_sensitive (gui.frame_manual, TRUE);
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gtk_widget_set_sensitive (gui.combo_card, TRUE);
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gdk_threads_leave ();
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}
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}
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/*
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* main
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*/
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int main(int argc, char *argv[]) {
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return startGui(argc, argv);
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}
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int startGui(int argc, char *argv[]) {
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Glib::RefPtr<Gtk::Application> app =
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Gtk::Application::create(argc, argv,
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"com.windytan.slowrx");
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Glib::RefPtr<Gtk::Builder> builder = Gtk::Builder::create_from_file("ui/slowrx.ui");
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Gtk::Window *pWindow;
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builder->get_widget("window_main", pWindow);
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return app->run(*pWindow);
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FILE *ConfFile;
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const gchar *confdir;
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GString *confpath;
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gchar *confdata;
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gsize *keylen=NULL;
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gtk_init (&argc, &argv);
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gdk_threads_init ();
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// Load config
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confdir = g_get_user_config_dir();
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confpath = g_string_new(confdir);
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g_string_append(confpath, "/slowrx.ini");
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config = g_key_file_new();
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if (g_key_file_load_from_file(config, confpath->str, G_KEY_FILE_KEEP_COMMENTS, NULL)) {
|
||||
|
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} else {
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printf("No valid config file found\n");
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g_key_file_load_from_data(config, "[slowrx]\ndevice=default", -1, G_KEY_FILE_NONE, NULL);
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}
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|
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// Prepare FFT
|
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fft.in = fftw_alloc_real(2048);
|
||||
if (fft.in == NULL) {
|
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perror("GetVideo: Unable to allocate memory for FFT");
|
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exit(EXIT_FAILURE);
|
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}
|
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fft.out = fftw_alloc_complex(2048);
|
||||
if (fft.out == NULL) {
|
||||
perror("GetVideo: Unable to allocate memory for FFT");
|
||||
fftw_free(fft.in);
|
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exit(EXIT_FAILURE);
|
||||
}
|
||||
memset(fft.in, 0, sizeof(double) * 2048);
|
||||
|
||||
fft.Plan1024 = fftw_plan_dft_r2c_1d(1024, fft.in, fft.out, FFTW_ESTIMATE);
|
||||
fft.Plan2048 = fftw_plan_dft_r2c_1d(2048, fft.in, fft.out, FFTW_ESTIMATE);
|
||||
|
||||
createGUI();
|
||||
populateDeviceList();
|
||||
|
||||
gtk_main();
|
||||
|
||||
// Save config on exit
|
||||
ConfFile = fopen(confpath->str,"w");
|
||||
if (ConfFile == NULL) {
|
||||
perror("Unable to open config file for writing");
|
||||
} else {
|
||||
confdata = g_key_file_to_data(config,keylen,NULL);
|
||||
fprintf(ConfFile,"%s",confdata);
|
||||
fwrite(confdata,1,(size_t)keylen,ConfFile);
|
||||
fclose(ConfFile);
|
||||
}
|
||||
|
||||
g_object_unref(pixbuf_rx);
|
||||
free(StoredLum);
|
||||
fftw_free(fft.in);
|
||||
fftw_free(fft.out);
|
||||
|
||||
return (EXIT_SUCCESS);
|
||||
}
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue