gtk-app.h

   1 #define WIDTH  800
   2 #define HEIGHT 600
   3 //#define FPS    20
   4
   5 #define QUOTE_(x) #x
   6 #define QUOTE(x) QUOTE_(x)
   7
   8 static gboolean option_fake = FALSE;
   9 static gboolean option_fullscreen = FALSE;
  10 static gint option_debug = -1;
  11 static gint option_timer = -1;
  12 static gint option_screens = 1;
  13 static gint option_fps = 20;
  14 static guint option_first_screen = 0;
  15 static guint option_serial = 0;
  16 static char **option_reload = NULL;
  17 static char **option_save = NULL;
  18 static char *option_avi = NULL;
  19
  20
  21 #define MAX_SCREENS 2
  22
  23 static GOptionEntry entries[] =
  24 {
  25   { "fake-source", 0, 0, G_OPTION_ARG_NONE, &option_fake,
  26     "use videotestsrc, not v4l2src (mostly won't work)", NULL },
  27   { "full-screen", 'f', 0, G_OPTION_ARG_NONE, &option_fullscreen, "run full screen", NULL },
  28   { "fps", 'p', 0, G_OPTION_ARG_INT, &option_fps,
  29     "speed (Frames per second, multiple of 5 <= 30)", "FPS" },
  30   { "screens", 's', 0, G_OPTION_ARG_INT, &option_screens, "Use this many screens, (max "
  31     QUOTE(MAX_SCREENS) ")", "S" },
  32   { "first-screen", 0, 0, G_OPTION_ARG_INT, &option_first_screen, "Start with this screen", "S" },
  33   { "debug", 'd', 0, G_OPTION_ARG_INT, &option_debug, "Save screen's debug images in /tmp", "SCREEN" },
  34   { "timer", 't', 0, G_OPTION_ARG_INT, &option_timer, "Log frame times in /tmp/timer.log", "SCREEN" },
  35   { "serial-calibration", 'c', 0, G_OPTION_ARG_NONE, &option_serial,
  36     "calibrate projections one at a time, not together", NULL },
  37   { "reload", 'r', 0, G_OPTION_ARG_FILENAME_ARRAY, &option_reload,
  38     "load calibration data from FILE (one per screen)", "FILE" },
  39   { "save", 'S', 0, G_OPTION_ARG_FILENAME_ARRAY, &option_save,
  40     "save calibration data to FILE (one per screen)", "FILE" },
  41   { "avi", 'a', 0, G_OPTION_ARG_FILENAME, &option_avi,
  42     "save mjpeg video to FILE", "FILE" },
  43   { NULL, 0, 0, 0, NULL, NULL, NULL }
  44 };
  45
  46
  47 typedef struct windows_s {
  48   int realised;
  49   int requested;
  50   GstElement *sinks[MAX_SCREENS];
  51   XID        xwindows[MAX_SCREENS];
  52   GtkWidget  *gtk_windows[MAX_SCREENS];
  53 } windows_t;
  54
  55
  56 #define COMMON_CAPS \
  57   "framerate", GST_TYPE_FRACTION, option_fps, 1,                \
  58     "width", G_TYPE_INT, WIDTH,                                 \
  59     "height", G_TYPE_INT, HEIGHT,                               \
  60     NULL
  61
  62
  63
  64 static void
  65 mjpeg_branch(GstPipeline *pipeline, GstElement *tee)
  66 {
  67   /* ! jpegenc ! avimux ! filesink location=mjpeg.avi */
  68   GstElement *queue = gst_element_factory_make("queue", NULL);
  69   GstElement *jpegenc = gst_element_factory_make("jpegenc", NULL);
  70   GstElement *avimux = gst_element_factory_make("avimux", NULL);
  71   GstElement *filesink = gst_element_factory_make("filesink", NULL);
  72   GstElement *cs = gst_element_factory_make("ffmpegcolorspace", NULL);
  73   g_object_set(G_OBJECT(filesink),
  74       "location", option_avi,
  75       NULL);
  76   gst_bin_add_many(GST_BIN(pipeline),
  77       queue,
  78       cs,
  79       jpegenc,
  80       avimux,
  81       filesink,
  82       NULL);
  83   gst_element_link_many(tee,
  84       queue,
  85       cs,
  86       jpegenc,
  87       avimux,
  88       filesink,
  89       NULL);
  90 }
  91
  92 static void
  93 post_tee_pipeline(GstPipeline *pipeline, GstElement *tee, GstElement *sink,
  94     int rngseed, int colour, int timer, int debug, char *save, char *reload){
  95   GstElement *queue = gst_element_factory_make("queue", NULL);
  96   GstElement *sparrow = gst_element_factory_make("sparrow", NULL);
  97   GstElement *caps_posteriori = gst_element_factory_make("capsfilter", NULL);
  98   GstElement *cs_posteriori = gst_element_factory_make("ffmpegcolorspace", NULL);
  99
 100   g_object_set(G_OBJECT(caps_posteriori), "caps",
 101       gst_caps_new_simple ("video/x-raw-rgb",
 102           COMMON_CAPS), NULL);
 103
 104   g_object_set(G_OBJECT(sparrow),
 105       "timer", timer,
 106       "debug", debug,
 107       "rngseed", rngseed,
 108       "colour", colour,
 109       "serial", option_serial,
 110       NULL);
 111   if (reload){
 112     g_object_set(G_OBJECT(sparrow),
 113         "reload", reload,
 114         NULL);
 115   }
 116   if (save){
 117     g_object_set(G_OBJECT(sparrow),
 118         "save", save,
 119         NULL);
 120   }
 121
 122   gst_bin_add_many (GST_BIN(pipeline),
 123       queue,
 124       sparrow,
 125       caps_posteriori,
 126       cs_posteriori,
 127       sink,
 128       NULL);
 129
 130   gst_element_link_many(tee,
 131       queue,
 132       sparrow,
 133       caps_posteriori,
 134       cs_posteriori,
 135       sink,
 136       NULL);
 137 }
 138
 139 static GstElement *
 140 pre_tee_pipeline(GstPipeline *pipeline){
 141   if (pipeline == NULL){
 142     pipeline = GST_PIPELINE(gst_pipeline_new("sparrow_pipeline"));
 143   }
 144   char * src_name = (option_fake) ? "videotestsrc" : "v4l2src";
 145   GstElement *src = gst_element_factory_make(src_name, NULL);
 146   GstElement *caps_priori = gst_element_factory_make("capsfilter", NULL);
 147   GstElement *cs_priori = gst_element_factory_make("ffmpegcolorspace", NULL);
 148   GstElement *caps_interiori = gst_element_factory_make("capsfilter", NULL);
 149   GstElement *tee = gst_element_factory_make ("tee", NULL);
 150
 151   g_object_set(G_OBJECT(caps_priori), "caps",
 152       gst_caps_new_simple ("video/x-raw-yuv",
 153           "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('Y', 'U', 'Y', '2'),
 154           COMMON_CAPS), NULL);
 155
 156   g_object_set(G_OBJECT(caps_interiori), "caps",
 157       gst_caps_new_simple ("video/x-raw-rgb",
 158           COMMON_CAPS), NULL);
 159
 160   gst_bin_add_many(GST_BIN(pipeline),
 161       src,
 162       caps_priori,
 163       cs_priori,
 164       //caps_interiori,
 165       tee,
 166       NULL);
 167
 168   gst_element_link_many(src,
 169       caps_priori,
 170       cs_priori,
 171       //caps_interiori,
 172       tee,
 173       NULL);
 174   return tee;
 175 }
 176
 177
 178 static void hide_mouse(GtkWidget *widget){
 179   GdkWindow *w = GDK_WINDOW(widget->window);
 180   GdkDisplay *display = gdk_display_get_default();
 181   GdkCursor *cursor = gdk_cursor_new_for_display(display, GDK_BLANK_CURSOR);
 182   gdk_window_set_cursor(w, cursor);
 183   gdk_cursor_unref (cursor);
 184 }