/* * GStreamer * Copyright (C) 2008 Nokia Corporation * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * This is a demo application to test the camerabin element. * If you have question don't hesitate in contact me edgard.lima@indt.org.br */ /* * Includes */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include // g_fopen() /* * enums, typedefs and defines */ #ifdef USE_MP4 #define VID_FILE_EXT "mp4" #else #define VID_FILE_EXT "ogg" #endif #define PREVIEW_TIME_MS (2 * 1000) #define N_BURST_IMAGES 10 #define DEFAULT_GLADE_FILE "gst-camera.glade" #define SHARED_GLADE_FILE CAMERA_APPS_GLADEDIR"/"DEFAULT_GLADE_FILE /* Names of default elements */ #define CAMERA_APP_VIDEOSRC "v4l2src" #define CAMERA_APP_IMAGE_POSTPROC "dummy" #ifdef HAVE_GST_PHOTO_IFACE_H #define EV_COMP_MAX 3.0 #define EV_COMP_MIN -3.0 #define EV_COMP_STEP 0.5 #endif #define DEFAULT_VF_CAPS \ "video/x-raw-yuv, width = (int) 320, height = (int) 240, framerate = (fraction) 1496/100;" \ "video/x-raw-yuv, width = (int) 640, height = (int) 480, framerate = (fraction) 1494/100;" \ "video/x-raw-yuv, width = (int) 800, height = (int) 480, framerate = (fraction) 2503/100;" \ "video/x-raw-yuv, width = (int) 800, height = (int) 480, framerate = (fraction) 2988/100;" \ "video/x-raw-yuv, width = (int) 800, height = (int) 480, framerate = (fraction) 1494/100;" \ "video/x-raw-yuv, width = (int) 720, height = (int) 480, framerate = (fraction) 1494/100" #define PREVIEW_CAPS \ "video/x-raw-rgb, width = (int) 640, height = (int) 480" /* states: (image) <---> (video_stopped) <---> (video_recording) */ typedef enum _tag_CaptureState { CAP_STATE_IMAGE, CAP_STATE_VIDEO_STOPED, CAP_STATE_VIDEO_PAUSED, CAP_STATE_VIDEO_RECORDING, } CaptureState; /* * Global Vars */ static GladeXML *ui_glade_xml = NULL; static GtkWidget *ui_main_window = NULL; static GtkWidget *ui_drawing = NULL; static GtkWidget *ui_drawing_frame = NULL; static GtkWidget *ui_chk_continous = NULL; static GtkButton *ui_bnt_shot = NULL; static GtkButton *ui_bnt_pause = NULL; static GtkWidget *ui_chk_mute = NULL; static GtkWidget *ui_vbox_color_controls = NULL; static GtkWidget *ui_chk_rawmsg = NULL; static GtkWidget *ui_rdbntImageCapture = NULL; static GtkWidget *ui_rdbntVideoCapture = NULL; static GtkWidget *ui_menuitem_photography = NULL; static GtkWidget *ui_menuitem_capture = NULL; static GtkComboBox *ui_cbbox_resolution = NULL; static guint ui_cbbox_resolution_count = 0; static CaptureState capture_state = CAP_STATE_IMAGE; static GstElement *gst_camera_bin = NULL; static GstElement *gst_videosrc = NULL; static GString *filename = NULL; static guint32 num_pics = 0; static guint32 num_pics_cont = 0; static guint32 num_vids = 0; static gint max_fr_n = 0; static gint max_fr_d = 0; static gchar *video_post; static gchar *image_post; static GList *video_caps_list = NULL; #ifdef HAVE_GST_PHOTO_IFACE_H static gchar *iso_speed_labels[] = { "auto", "100", "200", "400" }; static struct { gchar *label; gint width; gint height; } image_resolution_label_map[] = { { "View finder resolution", 0, 0}, { "VGA", 640, 480}, { "1,3Mpix (1280x960)", 1280, 960}, { "3Mpix (2048x1536)", 2048, 1536}, { "3,7Mpix 16:9 (2592x1456)", 2592, 1456}, { "5Mpix (2592x1968)", 2592, 1968} }; #endif /* * functions prototypes */ static gboolean me_gst_setup_pipeline (const gchar * imagepost, const gchar * videopost); static void me_gst_cleanup_element (void); static gboolean capture_mode_set_state (CaptureState state); static void capture_mode_config_gui (void); static gboolean capture_mode_stop (void); static void on_windowMain_delete_event (GtkWidget * widget, GdkEvent * event, gpointer user_data); static void on_buttonShot_clicked (GtkButton * button, gpointer user_data); static void on_buttonPause_clicked (GtkButton * button, gpointer user_data); static void on_comboboxResolution_changed (GtkComboBox * widget, gpointer user_data); static void on_radiobuttonImageCapture_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_radiobuttonVideoCapture_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffNone_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffEdge_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffAging_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffDice_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffWarp_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffShagadelic_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffVertigo_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffRev_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_rbBntVidEffQuark_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_chkbntMute_toggled (GtkToggleButton * togglebutton, gpointer user_data); static void on_chkbtnRawMsg_toggled (GtkToggleButton * togglebutton, gpointer data); static void on_hscaleZoom_value_changed (GtkRange * range, gpointer user_data); static void ui_connect_signals (void); static gboolean ui_create (void); static void destroy_color_controls (void); static void create_color_controls (void); static void init_view_finder_resolution_combobox (void); #ifdef HAVE_GST_PHOTO_IFACE_H static void menuitem_toggle_active (GtkWidget * widget, gpointer data); static void sub_menu_initialize (GtkWidget * widget, gpointer data); static void fill_photography_menu (GtkMenuItem * parent_item); #endif /* * functions implementation */ static void set_filename (GString * name) { const gchar *datadir; if (capture_state == CAP_STATE_IMAGE) { g_string_printf (name, G_DIR_SEPARATOR_S "test_%04u.jpg", num_pics); datadir = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES); } else { g_string_printf (name, G_DIR_SEPARATOR_S "test_%04u.%s", num_vids, VID_FILE_EXT); datadir = g_get_user_special_dir (G_USER_DIRECTORY_VIDEOS); } if (datadir == NULL) { // FIXME: maemo //#define DEFAULT_IMAGEDIR "$HOME/MyDocs/.images/" //#define DEFAULT_VIDEODIR "$HOME/MyDocs/.videos/" gchar *curdir = g_get_current_dir (); g_string_prepend (name, curdir); g_free (curdir); } else { g_string_prepend (name, datadir); } } static GstBusSyncReply set_xwindow (GstMessage ** message, gpointer data) { GstBusSyncReply ret = GST_BUS_PASS; const GstStructure *s = gst_message_get_structure (*message); if (!s || !gst_structure_has_name (s, "prepare-xwindow-id")) { goto done; } gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (GST_MESSAGE_SRC (*message)), GDK_WINDOW_XWINDOW (ui_drawing->window)); gst_message_unref (*message); *message = NULL; ret = GST_BUS_DROP; done: return ret; } /* Write raw image buffer to file if found from message */ static void handle_element_message (GstMessage * msg) { const GstStructure *st; const GValue *image; GstBuffer *buf = NULL; guint8 *data = NULL; gchar *caps_string; guint size = 0; gchar *filename = NULL; FILE *f = NULL; size_t written; st = gst_message_get_structure (msg); if (g_str_equal (gst_structure_get_name (st), "autofocus-done")) { gtk_button_set_label (ui_bnt_pause, "Focus"); } else if (gst_structure_has_field_typed (st, "buffer", GST_TYPE_BUFFER)) { image = gst_structure_get_value (st, "buffer"); if (image) { buf = gst_value_get_buffer (image); data = GST_BUFFER_DATA (buf); size = GST_BUFFER_SIZE (buf); if (g_str_equal (gst_structure_get_name (st), "raw-image")) { filename = g_strdup_printf ("test_%04u.raw", num_pics); } else if (g_str_equal (gst_structure_get_name (st), "preview-image")) { filename = g_strdup_printf ("test_%04u_vga.rgb", num_pics); } else { /* for future purposes */ g_print ("unknown buffer received\n"); return; } caps_string = gst_caps_to_string (GST_BUFFER_CAPS (buf)); g_print ("writing buffer to %s, buffer caps: %s\n", filename, caps_string); g_free (caps_string); f = g_fopen (filename, "w"); if (f) { written = fwrite (data, size, 1, f); if (!written) { g_print ("errro writing file\n"); } fclose (f); } else { g_print ("error opening file for raw image writing\n"); } g_free (filename); } } else if (g_str_equal (gst_structure_get_name (st), "photo-capture-start")) { g_print ("=== CLICK ===\n"); } } static GstBusSyncReply my_bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data) { GstBusSyncReply ret = GST_BUS_PASS; switch (GST_MESSAGE_TYPE (message)) { case GST_MESSAGE_ELEMENT: ret = set_xwindow (&message, data); break; default: /* unhandled message */ break; } return ret; } static gboolean my_bus_callback (GstBus * bus, GstMessage * message, gpointer data) { switch (GST_MESSAGE_TYPE (message)) { case GST_MESSAGE_WARNING:{ GError *err; gchar *debug; gst_message_parse_warning (message, &err, &debug); g_print ("Warning: %s\n", err->message); g_error_free (err); g_free (debug); break; } case GST_MESSAGE_ERROR:{ GError *err; gchar *debug; gst_message_parse_error (message, &err, &debug); g_print ("Error: %s\n", err->message); g_error_free (err); g_free (debug); me_gst_cleanup_element (); gtk_main_quit (); break; } case GST_MESSAGE_EOS: /* end-of-stream */ gtk_main_quit (); break; case GST_MESSAGE_STATE_CHANGED:{ GstState old, new, pending; gst_message_parse_state_changed (message, &old, &new, &pending); /* Create/destroy color controls according videosrc state */ if (GST_MESSAGE_SRC (message) == GST_OBJECT (gst_videosrc)) { if (old == GST_STATE_PAUSED && new == GST_STATE_READY) { destroy_color_controls (); } else if (old == GST_STATE_READY && new == GST_STATE_PAUSED) { create_color_controls (); } } /* we only care about pipeline state change messages */ if (GST_IS_PIPELINE (GST_MESSAGE_SRC (message))) { /* dump graph for pipeline state changes */ gchar *dump_name = g_strdup_printf ("camerabin.%s_%s", gst_element_state_get_name (old), gst_element_state_get_name (new)); GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (GST_MESSAGE_SRC (message)), GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE | GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS, dump_name); g_free (dump_name); } } break; case GST_MESSAGE_ELEMENT: { handle_element_message (message); break; } default: /* unhandled message */ break; } return TRUE; } static void me_set_next_cont_file_name (GString * filename) { /* FIXME: better file naming (possible with signal) */ if (G_UNLIKELY (num_pics_cont == 1)) { gint i; for (i = filename->len - 1; i > 0; --i) { if (filename->str[i] == '.') break; } g_string_insert (filename, i, "_0001"); } else { gchar tmp[6]; gint i; for (i = filename->len - 1; i > 0; --i) { if (filename->str[i] == '_') break; } snprintf (tmp, 6, "_%04d", num_pics_cont); memcpy (filename->str + i, tmp, 5); } } static gboolean stop_image_preview (gpointer data) { g_return_val_if_fail (data != NULL, FALSE); g_signal_emit_by_name (data, "user-stop", 0); return FALSE; } static gboolean me_image_capture_done (GstElement * camera, const gchar * fname, gpointer user_data) { gboolean cont = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (ui_chk_continous)); GString *filename = g_string_new (fname); if (num_pics_cont < N_BURST_IMAGES && cont) { num_pics_cont++; me_set_next_cont_file_name (filename); g_object_set (G_OBJECT (camera), "filename", filename->str, NULL); g_string_free (filename, TRUE); } else { gtk_widget_set_sensitive (GTK_WIDGET (ui_bnt_shot), TRUE); printf ("%u image(s) saved\n", num_pics_cont + 1); fflush (stdout); num_pics_cont = 0; g_timeout_add (PREVIEW_TIME_MS, (GSourceFunc) stop_image_preview, camera); cont = FALSE; } return cont; } static gboolean me_gst_setup_pipeline_create_post_bin (const gchar * post, gboolean video) { GstElement *vpp = NULL; GstElement *bin, *c1, *c2, *filter; GstPad *pad; GstCaps *caps; /* this function uses a bin just because it needs ffmpegcolorspace. For * performance reason one should provide an element without need for color * convertion */ vpp = gst_element_factory_make (post, NULL); if (NULL == vpp) { fprintf (stderr, "cannot create \'%s\' element\n", post); fflush (stderr); goto done; } c1 = gst_element_factory_make ("ffmpegcolorspace", NULL); c2 = gst_element_factory_make ("ffmpegcolorspace", NULL); if (NULL == c1 || NULL == c2) { fprintf (stderr, "cannot create \'ffmpegcolorspace\' element\n"); fflush (stderr); goto done; } filter = gst_element_factory_make ("capsfilter", NULL); if (NULL == filter) { fprintf (stderr, "cannot create \'capsfilter\' element\n"); fflush (stderr); goto done; } bin = gst_bin_new (video ? "vid_postproc_bin" : "img_postproc_bin"); if (NULL == bin) { goto done; } caps = gst_caps_new_simple ("video/x-raw-yuv", "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'), NULL); g_object_set (G_OBJECT (filter), "caps", caps, NULL); gst_caps_unref (caps); gst_bin_add_many (GST_BIN (bin), c1, vpp, c2, filter, NULL); if (!gst_element_link_many (c1, vpp, c2, filter, NULL)) { fprintf (stderr, "cannot link video post proc elements\n"); fflush (stderr); goto done; } pad = gst_element_get_static_pad (c1, "sink"); gst_element_add_pad (bin, gst_ghost_pad_new ("sink", pad)); gst_object_unref (GST_OBJECT (pad)); pad = gst_element_get_static_pad (filter, "src"); gst_element_add_pad (bin, gst_ghost_pad_new ("src", pad)); gst_object_unref (GST_OBJECT (pad)); g_object_set (gst_camera_bin, (video ? "videopp" : "imagepp"), bin, NULL); return TRUE; done: return FALSE; } static void me_gst_setup_pipeline_create_codecs (void) { #ifdef USE_MP4 g_object_set (gst_camera_bin, "videoenc", gst_element_factory_make ("omx_mpeg4enc", NULL), NULL); g_object_set (gst_camera_bin, "audioenc", gst_element_factory_make ("omx_aacenc", NULL), NULL); g_object_set (gst_camera_bin, "videomux", gst_element_factory_make ("hantromp4mux", NULL), NULL); #else /* using defaults theora, vorbis, ogg */ #endif } static gboolean me_gst_setup_pipeline_create_img_post_bin (const gchar * imagepost) { return me_gst_setup_pipeline_create_post_bin (imagepost, FALSE); } static gboolean me_gst_setup_pipeline_create_vid_post_bin (const gchar * videopost) { return me_gst_setup_pipeline_create_post_bin (videopost, TRUE); } static gboolean me_gst_setup_pipeline (const gchar * imagepost, const gchar * videopost) { GstBus *bus; GstCaps *preview_caps; set_filename (filename); me_gst_cleanup_element (); gst_camera_bin = gst_element_factory_make ("camerabin", NULL); if (NULL == gst_camera_bin) { goto done; } g_signal_connect (gst_camera_bin, "img-done", (GCallback) me_image_capture_done, NULL); preview_caps = gst_caps_from_string (PREVIEW_CAPS); bus = gst_pipeline_get_bus (GST_PIPELINE (gst_camera_bin)); gst_bus_add_watch (bus, my_bus_callback, NULL); gst_bus_set_sync_handler (bus, my_bus_sync_callback, NULL); gst_object_unref (bus); /* set properties */ g_object_set (gst_camera_bin, "filename", filename->str, NULL); g_object_set (gst_camera_bin, "preview-caps", preview_caps, NULL); gst_caps_unref (preview_caps); gst_videosrc = gst_element_factory_make (CAMERA_APP_VIDEOSRC, NULL); if (gst_videosrc) { g_object_set (G_OBJECT (gst_camera_bin), "videosrc", gst_videosrc, NULL); } if (imagepost) { if (!me_gst_setup_pipeline_create_img_post_bin (imagepost)) goto done; } else { /* Use default image postprocessing element */ GstElement *ipp = gst_element_factory_make (CAMERA_APP_IMAGE_POSTPROC, NULL); if (ipp) { g_object_set (G_OBJECT (gst_camera_bin), "imagepp", ipp, NULL); } } if (videopost) { if (!me_gst_setup_pipeline_create_vid_post_bin (videopost)) goto done; } me_gst_setup_pipeline_create_codecs (); if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (gst_camera_bin, GST_STATE_READY)) { goto done; } if (!gst_videosrc) { g_object_get (G_OBJECT (gst_camera_bin), "videosrc", &gst_videosrc, NULL); } init_view_finder_resolution_combobox (); if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (gst_camera_bin, GST_STATE_PAUSED)) { goto done; } else { gst_element_get_state (gst_camera_bin, NULL, NULL, GST_CLOCK_TIME_NONE); } if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (gst_camera_bin, GST_STATE_PLAYING)) { goto done; } else { gst_element_get_state (gst_camera_bin, NULL, NULL, GST_CLOCK_TIME_NONE); } #ifdef HAVE_GST_PHOTO_IFACE_H /* Initialize menus to default settings */ GtkWidget *sub_menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (ui_menuitem_capture)); gtk_container_foreach (GTK_CONTAINER (sub_menu), sub_menu_initialize, NULL); sub_menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (ui_menuitem_photography)); gtk_container_foreach (GTK_CONTAINER (sub_menu), sub_menu_initialize, NULL); #endif capture_state = CAP_STATE_IMAGE; return TRUE; done: fprintf (stderr, "error to create pipeline\n"); fflush (stderr); me_gst_cleanup_element (); return FALSE; } static void me_gst_cleanup_element () { if (gst_camera_bin) { gst_element_set_state (gst_camera_bin, GST_STATE_NULL); gst_element_get_state (gst_camera_bin, NULL, NULL, GST_CLOCK_TIME_NONE); gst_object_unref (gst_camera_bin); gst_camera_bin = NULL; g_list_foreach (video_caps_list, (GFunc) gst_caps_unref, NULL); g_list_free (video_caps_list); video_caps_list = NULL; } } static gboolean capture_mode_stop () { if (capture_state == CAP_STATE_VIDEO_PAUSED || capture_state == CAP_STATE_VIDEO_RECORDING) { return capture_mode_set_state (CAP_STATE_VIDEO_STOPED); } else { return TRUE; } } static void capture_mode_config_gui () { switch (capture_state) { case CAP_STATE_IMAGE: gtk_button_set_label (ui_bnt_shot, "Shot"); gtk_button_set_label (ui_bnt_pause, "Focus"); gtk_widget_set_sensitive (GTK_WIDGET (ui_bnt_pause), TRUE); gtk_widget_show (ui_chk_continous); gtk_widget_show (ui_chk_rawmsg); gtk_widget_hide (ui_chk_mute); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ui_rdbntImageCapture), TRUE); break; case CAP_STATE_VIDEO_STOPED: gtk_button_set_label (ui_bnt_shot, "Rec"); gtk_button_set_label (ui_bnt_pause, "Pause"); gtk_widget_set_sensitive (GTK_WIDGET (ui_bnt_pause), FALSE); gtk_widget_show (GTK_WIDGET (ui_bnt_pause)); gtk_widget_show (ui_chk_mute); gtk_widget_hide (ui_chk_continous); gtk_widget_hide (ui_chk_rawmsg); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ui_rdbntVideoCapture), TRUE); break; case CAP_STATE_VIDEO_PAUSED: gtk_button_set_label (ui_bnt_pause, "Cont"); break; case CAP_STATE_VIDEO_RECORDING: gtk_button_set_label (ui_bnt_shot, "Stop"); gtk_button_set_label (ui_bnt_pause, "Pause"); gtk_widget_set_sensitive (GTK_WIDGET (ui_bnt_pause), TRUE); break; default: break; } } static gboolean capture_mode_set_state (CaptureState state) { if (capture_state == state) return TRUE; switch (capture_state) { case CAP_STATE_IMAGE: if (state == CAP_STATE_VIDEO_PAUSED) { goto done; } g_object_set (gst_camera_bin, "mode", 1, NULL); capture_state = CAP_STATE_VIDEO_STOPED; if (state == CAP_STATE_VIDEO_RECORDING) capture_mode_set_state (state); break; case CAP_STATE_VIDEO_STOPED: if (state == CAP_STATE_VIDEO_PAUSED) { goto done; } capture_state = state; if (state == CAP_STATE_IMAGE) g_object_set (gst_camera_bin, "mode", 0, NULL); else { /* state == CAP_STATE_VIDEO_RECORDING */ g_object_set (gst_camera_bin, "mode", 1, NULL); g_signal_emit_by_name (gst_camera_bin, "user-start", 0); } break; case CAP_STATE_VIDEO_PAUSED: if (state == CAP_STATE_VIDEO_RECORDING) { g_signal_emit_by_name (gst_camera_bin, "user-start", 0); capture_state = CAP_STATE_VIDEO_RECORDING; } else { g_signal_emit_by_name (gst_camera_bin, "user-stop", 0); capture_state = CAP_STATE_VIDEO_STOPED; if (state == CAP_STATE_IMAGE) capture_mode_set_state (state); } break; case CAP_STATE_VIDEO_RECORDING: if (state == CAP_STATE_VIDEO_PAUSED) { g_signal_emit_by_name (gst_camera_bin, "user-pause", 0); capture_state = CAP_STATE_VIDEO_PAUSED; } else { g_signal_emit_by_name (gst_camera_bin, "user-stop", 0); capture_state = CAP_STATE_VIDEO_STOPED; if (state == CAP_STATE_IMAGE) capture_mode_set_state (state); } break; } return TRUE; done: return FALSE; } static void on_windowMain_delete_event (GtkWidget * widget, GdkEvent * event, gpointer data) { capture_mode_set_state (CAP_STATE_IMAGE); capture_mode_config_gui (); me_gst_cleanup_element (); gtk_main_quit (); } static void set_metadata (void) { /* for more information about image metadata tags, see: * http://webcvs.freedesktop.org/gstreamer/gst-plugins-bad/tests/icles/metadata_editor.c * and for the mapping: * http://webcvs.freedesktop.org/gstreamer/gst-plugins-bad/ext/metadata/metadata_mapping.htm?view=co */ GstTagSetter *setter = GST_TAG_SETTER (gst_camera_bin); GTimeVal time = { 0, 0 }; gchar *date_str, *desc_str; g_get_current_time (&time); date_str = g_time_val_to_iso8601 (&time); /* this is UTC */ desc_str = g_strdup_printf ("picture taken by %s", g_get_real_name ()); gst_tag_setter_add_tags (setter, GST_TAG_MERGE_REPLACE, "date-time-original", date_str, "date-time-modified", date_str, "creator-tool", "camerabin-demo", GST_TAG_DESCRIPTION, desc_str, GST_TAG_TITLE, "My picture", GST_TAG_COPYRIGHT, "LGPL", NULL); g_free (date_str); g_free (desc_str); } static void on_buttonShot_clicked (GtkButton * button, gpointer user_data) { switch (capture_state) { case CAP_STATE_IMAGE: { gtk_widget_set_sensitive (GTK_WIDGET (ui_bnt_shot), FALSE); set_filename (filename); num_pics++; g_object_set (gst_camera_bin, "filename", filename->str, NULL); set_metadata (); g_signal_emit_by_name (gst_camera_bin, "user-start", 0); } break; case CAP_STATE_VIDEO_STOPED: set_filename (filename); num_vids++; g_object_set (gst_camera_bin, "filename", filename->str, NULL); capture_mode_set_state (CAP_STATE_VIDEO_RECORDING); capture_mode_config_gui (); break; case CAP_STATE_VIDEO_PAUSED: /* fall trough */ case CAP_STATE_VIDEO_RECORDING: capture_mode_set_state (CAP_STATE_VIDEO_STOPED); capture_mode_config_gui (); break; default: break; } } static void on_buttonPause_clicked (GtkButton * button, gpointer user_data) { switch (capture_state) { case CAP_STATE_IMAGE: if (g_str_equal (gtk_button_get_label (ui_bnt_pause), "Focus")) { /* Start autofocus */ gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_camera_bin), TRUE); gtk_button_set_label (ui_bnt_pause, "Cancel Focus"); } else { /* Cancel autofocus */ gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_camera_bin), FALSE); gtk_button_set_label (ui_bnt_pause, "Focus"); } break; case CAP_STATE_VIDEO_STOPED: break; case CAP_STATE_VIDEO_PAUSED: capture_mode_set_state (CAP_STATE_VIDEO_RECORDING); capture_mode_config_gui (); break; case CAP_STATE_VIDEO_RECORDING: capture_mode_set_state (CAP_STATE_VIDEO_PAUSED); capture_mode_config_gui (); break; default: break; } } static gboolean on_drawingareaView_configure_event (GtkWidget * widget, GdkEventConfigure * event, gpointer data) { Display *display = GDK_WINDOW_XDISPLAY (GDK_WINDOW (widget->window)); XMoveResizeWindow (display, GDK_WINDOW_XID (GDK_WINDOW (widget->window)), widget->allocation.x, widget->allocation.y, widget->allocation.width, widget->allocation.height); XSync (display, False); return TRUE; } static void on_comboboxResolution_changed (GtkComboBox * widget, gpointer user_data) { GstStructure *st; gint w = 0, h = 0; GstCaps *video_caps = g_list_nth_data (video_caps_list, gtk_combo_box_get_active (widget)); if (video_caps) { gst_element_set_state (gst_camera_bin, GST_STATE_READY); st = gst_caps_get_structure (video_caps, 0); gst_structure_get_int (st, "width", &w); gst_structure_get_int (st, "height", &h); if (w && h) { g_object_set (ui_drawing_frame, "ratio", (gfloat) w / (gfloat) h, NULL); } g_object_set (G_OBJECT (gst_camera_bin), "filter-caps", video_caps, NULL); gst_element_set_state (gst_camera_bin, GST_STATE_PLAYING); } } static void on_radiobuttonImageCapture_toggled (GtkToggleButton * togglebutton, gpointer user_data) { if (gtk_toggle_button_get_active (togglebutton)) { if (capture_state != CAP_STATE_IMAGE) { capture_mode_set_state (CAP_STATE_IMAGE); capture_mode_config_gui (); } } } static void on_radiobuttonVideoCapture_toggled (GtkToggleButton * togglebutton, gpointer user_data) { if (gtk_toggle_button_get_active (togglebutton)) { if (capture_state == CAP_STATE_IMAGE) { capture_mode_set_state (CAP_STATE_VIDEO_STOPED); capture_mode_config_gui (); } } } static void on_rbBntVidEff_toggled (GtkToggleButton * togglebutton, gchar * effect) { if (gtk_toggle_button_get_active (togglebutton)) { /* lets also use those effects to image */ video_post = effect; image_post = effect; capture_mode_stop (); me_gst_cleanup_element (); if (!me_gst_setup_pipeline (image_post, video_post)) gtk_main_quit (); capture_mode_config_gui (); } } static void on_rbBntVidEffNone_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, NULL); } static void on_rbBntVidEffEdge_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "edgetv"); } static void on_rbBntVidEffAging_toggled (GtkToggleButton * togglebutton, gpointer user_data) { on_rbBntVidEff_toggled (togglebutton, "agingtv"); } static void on_rbBntVidEffDice_toggled (GtkToggleButton * togglebutton, gpointer user_data) { on_rbBntVidEff_toggled (togglebutton, "dicetv"); } static void on_rbBntVidEffWarp_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "warptv"); } static void on_rbBntVidEffShagadelic_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "shagadelictv"); } static void on_rbBntVidEffVertigo_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "vertigotv"); } static void on_rbBntVidEffRev_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "revtv"); } static void on_rbBntVidEffQuark_toggled (GtkToggleButton * togglebutton, gpointer data) { on_rbBntVidEff_toggled (togglebutton, "quarktv"); } static void on_chkbntMute_toggled (GtkToggleButton * togglebutton, gpointer data) { g_object_set (gst_camera_bin, "mute", gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (togglebutton)), NULL); } static void on_chkbtnRawMsg_toggled (GtkToggleButton * togglebutton, gpointer data) { const gchar *env_var = "CAMSRC_PUBLISH_RAW"; if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (togglebutton))) { g_setenv (env_var, "1", TRUE); } else { g_unsetenv (env_var); } } static void on_hscaleZoom_value_changed (GtkRange * range, gpointer user_data) { gint zoom = gtk_range_get_value (range); g_object_set (gst_camera_bin, "zoom", zoom, NULL); } static void on_color_control_value_changed (GtkRange * range, gpointer user_data) { GstColorBalance *balance = GST_COLOR_BALANCE (gst_camera_bin); gint val = gtk_range_get_value (range); GstColorBalanceChannel *channel = (GstColorBalanceChannel *) user_data; gst_color_balance_set_value (balance, channel, val); } gboolean on_key_released (GtkWidget * widget, GdkEventKey * event, gpointer user_data) { g_return_val_if_fail (event != NULL, FALSE); switch (event->keyval) { case GDK_F11: #ifdef HAVE_GST_PHOTO_IFACE_H gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_camera_bin), FALSE); #endif break; default: break; } return FALSE; } gboolean on_key_pressed (GtkWidget * widget, GdkEventKey * event, gpointer user_data) { g_return_val_if_fail (event != NULL, FALSE); switch (event->keyval) { case GDK_F11: #ifdef HAVE_GST_PHOTO_IFACE_H gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_camera_bin), TRUE); #endif break; case 0x0: on_buttonShot_clicked (NULL, NULL); break; default: break; } return FALSE; } static void ui_connect_signals (void) { glade_xml_signal_connect (ui_glade_xml, "on_windowMain_delete_event", (GCallback) on_windowMain_delete_event); glade_xml_signal_connect (ui_glade_xml, "on_buttonShot_clicked", (GCallback) on_buttonShot_clicked); glade_xml_signal_connect (ui_glade_xml, "on_buttonPause_clicked", (GCallback) on_buttonPause_clicked); glade_xml_signal_connect (ui_glade_xml, "on_drawingareaView_configure_event", (GCallback) on_drawingareaView_configure_event); glade_xml_signal_connect (ui_glade_xml, "on_comboboxResolution_changed", (GCallback) on_comboboxResolution_changed); glade_xml_signal_connect (ui_glade_xml, "on_radiobuttonImageCapture_toggled", (GCallback) on_radiobuttonImageCapture_toggled); glade_xml_signal_connect (ui_glade_xml, "on_radiobuttonVideoCapture_toggled", (GCallback) on_radiobuttonVideoCapture_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffNone_toggled", (GCallback) on_rbBntVidEffNone_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffEdge_toggled", (GCallback) on_rbBntVidEffEdge_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffAging_toggled", (GCallback) on_rbBntVidEffAging_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffDice_toggled", (GCallback) on_rbBntVidEffDice_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffWarp_toggled", (GCallback) on_rbBntVidEffWarp_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffShagadelic_toggled", (GCallback) on_rbBntVidEffShagadelic_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffVertigo_toggled", (GCallback) on_rbBntVidEffVertigo_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffRev_toggled", (GCallback) on_rbBntVidEffRev_toggled); glade_xml_signal_connect (ui_glade_xml, "on_rbBntVidEffQuark_toggled", (GCallback) on_rbBntVidEffQuark_toggled); glade_xml_signal_connect (ui_glade_xml, "on_chkbntMute_toggled", (GCallback) on_chkbntMute_toggled); glade_xml_signal_connect (ui_glade_xml, "on_chkbtnRawMsg_toggled", (GCallback) on_chkbtnRawMsg_toggled); glade_xml_signal_connect (ui_glade_xml, "on_hscaleZoom_value_changed", (GCallback) on_hscaleZoom_value_changed); g_signal_connect (ui_main_window, "key-press-event", (GCallback) on_key_pressed, NULL); g_signal_connect (ui_main_window, "key-release-event", (GCallback) on_key_released, NULL); } static gchar * format_value_callback (GtkScale * scale, gdouble value, gpointer user_data) { GstColorBalanceChannel *channel = (GstColorBalanceChannel *) user_data; return g_strdup_printf ("%s: %d", channel->label, (gint) value); } static gint create_menu_items_from_structure (GstStructure * structure) { const GValue *framerate_list = NULL; const gchar *structure_name; GString *item_str = NULL; guint j, num_items_created = 0, num_framerates = 1; gint w = 0, h = 0, n = 0, d = 1; guint32 fourcc = 0; g_return_val_if_fail (structure != NULL, 0); structure_name = gst_structure_get_name (structure); /* lets filter yuv only */ if (0 == strcmp (structure_name, "video/x-raw-yuv")) { item_str = g_string_new_len ("", 128); if (gst_structure_has_field_typed (structure, "format", GST_TYPE_FOURCC)) { gst_structure_get_fourcc (structure, "format", &fourcc); } if (gst_structure_has_field_typed (structure, "width", GST_TYPE_INT_RANGE)) { const GValue *wrange = gst_structure_get_value (structure, "width"); /* If range found, use the maximum */ w = gst_value_get_int_range_max (wrange); } else if (gst_structure_has_field_typed (structure, "width", G_TYPE_INT)) { gst_structure_get_int (structure, "width", &w); } if (gst_structure_has_field_typed (structure, "height", GST_TYPE_INT_RANGE)) { const GValue *hrange = gst_structure_get_value (structure, "height"); /* If range found, use the maximum */ h = gst_value_get_int_range_max (hrange); } else if (gst_structure_has_field_typed (structure, "height", G_TYPE_INT)) { gst_structure_get_int (structure, "height", &h); } if (gst_structure_has_field_typed (structure, "framerate", GST_TYPE_FRACTION)) { gst_structure_get_fraction (structure, "framerate", &n, &d); } else if (gst_structure_has_field_typed (structure, "framerate", GST_TYPE_LIST)) { framerate_list = gst_structure_get_value (structure, "framerate"); num_framerates = gst_value_list_get_size (framerate_list); } else if (gst_structure_has_field_typed (structure, "framerate", GST_TYPE_FRACTION_RANGE)) { const GValue *fr = gst_structure_get_value (structure, "framerate"); const GValue *frmax = gst_value_get_fraction_range_max (fr); max_fr_n = gst_value_get_fraction_numerator (frmax); max_fr_d = gst_value_get_fraction_denominator (frmax); } if (max_fr_n || max_fr_d) { goto range_found; } for (j = 0; j < num_framerates; j++) { GstCaps *video_caps; if (framerate_list) { const GValue *item = gst_value_list_get_value (framerate_list, j); n = gst_value_get_fraction_numerator (item); d = gst_value_get_fraction_denominator (item); } g_string_assign (item_str, structure_name); g_string_append_printf (item_str, " (%" GST_FOURCC_FORMAT ")", GST_FOURCC_ARGS (fourcc)); g_string_append_printf (item_str, ", %dx%d at %d/%d", w, h, n, d); gtk_combo_box_append_text (ui_cbbox_resolution, item_str->str); video_caps = gst_caps_new_simple (structure_name, "format", GST_TYPE_FOURCC, fourcc, "width", G_TYPE_INT, w, "height", G_TYPE_INT, h, "framerate", GST_TYPE_FRACTION, n, d, NULL); video_caps_list = g_list_append (video_caps_list, video_caps); num_items_created++; } } range_found: if (item_str) { g_string_free (item_str, TRUE); } return num_items_created; } static void fill_resolution_combo (GstCaps * caps) { guint size, num_items, i; GstStructure *st; max_fr_n = max_fr_d = 0; /* Create new items */ size = gst_caps_get_size (caps); for (i = 0; i < size; i++) { st = gst_caps_get_structure (caps, i); num_items = create_menu_items_from_structure (st); ui_cbbox_resolution_count += num_items; } } static GstCaps * create_default_caps () { GstCaps *default_caps; default_caps = gst_caps_from_string (DEFAULT_VF_CAPS); return default_caps; } static void init_view_finder_resolution_combobox () { GstCaps *input_caps = NULL, *default_caps = NULL, *intersect = NULL; g_object_get (gst_camera_bin, "inputcaps", &input_caps, NULL); if (input_caps) { fill_resolution_combo (input_caps); } /* Fill in default items if supported */ default_caps = create_default_caps (); intersect = gst_caps_intersect (default_caps, input_caps); if (intersect) { fill_resolution_combo (intersect); gst_caps_unref (intersect); } gst_caps_unref (default_caps); if (input_caps) { gst_caps_unref (input_caps); } /* Set some item active */ gtk_combo_box_set_active (ui_cbbox_resolution, ui_cbbox_resolution_count - 1); } static void destroy_color_controls () { GList *widgets, *item; GtkWidget *widget = NULL; widgets = gtk_container_get_children (GTK_CONTAINER (ui_vbox_color_controls)); for (item = widgets; item; item = g_list_next (item)) { widget = GTK_WIDGET (item->data); g_signal_handlers_disconnect_by_func (widget, (GFunc) format_value_callback, g_object_get_data (G_OBJECT (widget), "channel")); g_signal_handlers_disconnect_by_func (widget, (GFunc) on_color_control_value_changed, g_object_get_data (G_OBJECT (widget), "channel")); gtk_container_remove (GTK_CONTAINER (ui_vbox_color_controls), widget); } g_list_free (widgets); } static void create_color_controls () { GstColorBalance *balance = NULL; const GList *controls, *item; GstColorBalanceChannel *channel; GtkWidget *hscale; if (GST_IS_COLOR_BALANCE (gst_camera_bin)) { balance = GST_COLOR_BALANCE (gst_camera_bin); } if (NULL == balance) { goto done; } controls = gst_color_balance_list_channels (balance); for (item = controls; item; item = g_list_next (item)) { channel = item->data; hscale = gtk_hscale_new ((GtkAdjustment *) gtk_adjustment_new (gst_color_balance_get_value (balance, channel), channel->min_value, channel->max_value, 1, 10, 10)); g_signal_connect (GTK_RANGE (hscale), "value-changed", (GCallback) on_color_control_value_changed, (gpointer) channel); g_signal_connect (GTK_SCALE (hscale), "format-value", (GCallback) format_value_callback, (gpointer) channel); g_object_set_data (G_OBJECT (hscale), "channel", (gpointer) channel); gtk_box_pack_start (GTK_BOX (ui_vbox_color_controls), GTK_WIDGET (hscale), FALSE, TRUE, 0); } gtk_widget_show_all (ui_vbox_color_controls); done: return; } #ifdef HAVE_GST_PHOTO_IFACE_H static void menuitem_toggle_active (GtkWidget * widget, gpointer data) { gboolean active; g_object_get (G_OBJECT (widget), "active", &active, NULL); if (active) { gtk_check_menu_item_toggled (GTK_CHECK_MENU_ITEM (widget)); } } static void sub_menu_initialize (GtkWidget * widget, gpointer data) { GtkWidget *submenu; submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget)); gtk_container_foreach (GTK_CONTAINER (submenu), menuitem_toggle_active, NULL); } void photo_menuitem_toggled_cb (GtkRadioMenuItem * menuitem, gpointer user_data) { gboolean active = FALSE, ret = FALSE; GEnumClass *eclass = (GEnumClass *) user_data; GType etype = G_ENUM_CLASS_TYPE (eclass); GEnumValue *val; gint set_value = -1; /* Get value using menu item name */ val = g_enum_get_value_by_nick (eclass, gtk_widget_get_name (GTK_WIDGET (menuitem))); g_object_get (G_OBJECT (menuitem), "active", &active, NULL); if (active) { if (etype == GST_TYPE_WHITE_BALANCE_MODE) { GstWhiteBalanceMode mode; ret = gst_photography_set_white_balance_mode (GST_PHOTOGRAPHY (gst_camera_bin), val->value); gst_photography_get_white_balance_mode (GST_PHOTOGRAPHY (gst_camera_bin), &mode); set_value = (gint) mode; } else if (etype == GST_TYPE_SCENE_MODE) { GstSceneMode mode; ret = gst_photography_set_scene_mode (GST_PHOTOGRAPHY (gst_camera_bin), val->value); gst_photography_get_scene_mode (GST_PHOTOGRAPHY (gst_camera_bin), &mode); set_value = (gint) mode; } else if (etype == GST_TYPE_COLOUR_TONE_MODE) { GstColourToneMode mode; ret = gst_photography_set_colour_tone_mode (GST_PHOTOGRAPHY (gst_camera_bin), val->value); gst_photography_get_colour_tone_mode (GST_PHOTOGRAPHY (gst_camera_bin), &mode); set_value = (gint) mode; } else if (etype == GST_TYPE_FLASH_MODE) { GstFlashMode mode; ret = gst_photography_set_flash_mode (GST_PHOTOGRAPHY (gst_camera_bin), val->value); gst_photography_get_flash_mode (GST_PHOTOGRAPHY (gst_camera_bin), &mode); set_value = (gint) mode; } if (!ret) { g_print ("%s setting failed\n", val->value_name); } else if (val->value != set_value) { g_print ("%s setting failed, got %d\n", val->value_nick, set_value); } } } void photo_iso_speed_toggled_cb (GtkRadioMenuItem * menuitem, gpointer user_data) { gboolean active; const gchar *name; guint val = 0, set_val = G_MAXUINT; g_object_get (G_OBJECT (menuitem), "active", &active, NULL); if (active) { name = gtk_widget_get_name (GTK_WIDGET (menuitem)); /* iso auto setting = 0 */ /* FIXME: check what values other than 0 can be set */ if (!g_str_equal (name, "auto")) { sscanf (name, "%d", &val); } if (!gst_photography_set_iso_speed (GST_PHOTOGRAPHY (gst_camera_bin), val)) { g_print ("ISO speed (%d) setting failed\n", val); } else { gst_photography_get_iso_speed (GST_PHOTOGRAPHY (gst_camera_bin), &set_val); if (val != set_val) { g_print ("ISO speed (%d) setting failed, got %d\n", val, set_val); } } } } void photo_ev_comp_toggled_cb (GtkRadioMenuItem * menuitem, gpointer user_data) { gboolean active; const gchar *name; gfloat val = 0.0, set_val = G_MAXFLOAT; g_object_get (G_OBJECT (menuitem), "active", &active, NULL); if (active) { name = gtk_widget_get_name (GTK_WIDGET (menuitem)); sscanf (name, "%f", &val); if (!gst_photography_set_ev_compensation (GST_PHOTOGRAPHY (gst_camera_bin), val)) { g_print ("EV compensation (%.1f) setting failed\n", val); } else { gst_photography_get_ev_compensation (GST_PHOTOGRAPHY (gst_camera_bin), &set_val); if (val != set_val) { g_print ("EV compensation (%.1f) setting failed, got %.1f\n", val, set_val); } } } } static void photo_add_submenu_from_enum (GtkMenuItem * parent_item, GType enum_type) { GTypeClass *tclass; GEnumClass *eclass; GtkWidget *new_item = NULL, *new_submenu = NULL; guint i; GEnumValue *val; GSList *group = NULL; g_return_if_fail (parent_item && enum_type && G_TYPE_IS_CLASSED (enum_type)); tclass = g_type_class_ref (enum_type); eclass = G_ENUM_CLASS (tclass); new_submenu = gtk_menu_new (); for (i = 0; i < eclass->n_values; i++) { val = g_enum_get_value (eclass, i); new_item = gtk_radio_menu_item_new_with_label (group, val->value_nick); /* Store enum nick as the menu item name */ gtk_widget_set_name (new_item, val->value_nick); group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (new_item)); g_signal_connect (new_item, "toggled", (GCallback) photo_menuitem_toggled_cb, eclass); gtk_menu_shell_append (GTK_MENU_SHELL (new_submenu), new_item); gtk_widget_show (new_item); } gtk_menu_item_set_submenu (parent_item, new_submenu); g_type_class_unref (tclass); } static void add_submenu_from_list (GtkMenuItem * parent_item, GList * labels, GCallback toggled_cb) { GtkWidget *new_item = NULL, *new_submenu = NULL; GSList *group = NULL; GList *l; new_submenu = gtk_menu_new (); for (l = labels; l != NULL; l = g_list_next (l)) { const gchar *label = l->data; new_item = gtk_radio_menu_item_new_with_label (group, label); if (g_str_equal (label, "0")) { /* Let's set zero as default */ gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (new_item), TRUE); } gtk_widget_set_name (new_item, label); group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (new_item)); g_signal_connect (new_item, "toggled", toggled_cb, NULL); gtk_menu_shell_append (GTK_MENU_SHELL (new_submenu), new_item); gtk_widget_show (new_item); } gtk_menu_item_set_submenu (parent_item, new_submenu); } static GtkMenuItem * add_menuitem (GtkMenu * parent_menu, const gchar * item_name) { GtkWidget *new_item; new_item = gtk_menu_item_new_with_label (item_name); gtk_menu_shell_append (GTK_MENU_SHELL (parent_menu), new_item); gtk_widget_show (new_item); return GTK_MENU_ITEM (new_item); } GList * create_iso_speed_labels () { GList *labels = NULL; gint i; for (i = 0; i < G_N_ELEMENTS (iso_speed_labels); i++) { labels = g_list_append (labels, iso_speed_labels[i]); } return labels; } GList * create_ev_comp_labels () { GList *labels = NULL; gdouble comp; char buf[G_ASCII_DTOSTR_BUF_SIZE]; for (comp = EV_COMP_MIN; comp <= EV_COMP_MAX; comp += EV_COMP_STEP) { g_ascii_dtostr (buf, sizeof (buf), comp); labels = g_list_append (labels, g_strdup (buf)); } return labels; } static void fill_photography_menu (GtkMenuItem * parent_item) { GtkWidget *photo_menu = gtk_menu_new (); GtkMenuItem *item = NULL; GList *labels = NULL; /* Add menu items and create and associate submenus to each item */ item = add_menuitem (GTK_MENU (photo_menu), "AWB"); photo_add_submenu_from_enum (item, GST_TYPE_WHITE_BALANCE_MODE); item = add_menuitem (GTK_MENU (photo_menu), "Colour Tone"); photo_add_submenu_from_enum (item, GST_TYPE_COLOUR_TONE_MODE); item = add_menuitem (GTK_MENU (photo_menu), "Scene"); photo_add_submenu_from_enum (item, GST_TYPE_SCENE_MODE); item = add_menuitem (GTK_MENU (photo_menu), "Flash"); photo_add_submenu_from_enum (item, GST_TYPE_FLASH_MODE); item = add_menuitem (GTK_MENU (photo_menu), "ISO"); labels = create_iso_speed_labels (); add_submenu_from_list (item, labels, (GCallback) photo_iso_speed_toggled_cb); g_list_free (labels); item = add_menuitem (GTK_MENU (photo_menu), "EV comp"); labels = create_ev_comp_labels (); add_submenu_from_list (item, labels, (GCallback) photo_ev_comp_toggled_cb); g_list_free (labels); gtk_menu_item_set_submenu (parent_item, photo_menu); } void capture_image_res_toggled_cb (GtkRadioMenuItem * menuitem, gpointer user_data) { gboolean active; const gchar *label; gint i; g_object_get (G_OBJECT (menuitem), "active", &active, NULL); if (active) { label = gtk_widget_get_name (GTK_WIDGET (menuitem)); /* Look for width and height corresponding to the label */ for (i = 0; i < G_N_ELEMENTS (image_resolution_label_map); i++) { if (g_str_equal (label, image_resolution_label_map[i].label)) { /* set found values */ g_signal_emit_by_name (gst_camera_bin, "user-image-res", image_resolution_label_map[i].width, image_resolution_label_map[i].height, 0); break; } } } } GList * create_image_resolution_labels () { GList *labels = NULL; int i; for (i = 0; i < G_N_ELEMENTS (image_resolution_label_map); i++) { labels = g_list_append (labels, image_resolution_label_map[i].label); } return labels; } static void fill_capture_menu (GtkMenuItem * parent_item) { GtkWidget *capture_menu = gtk_menu_new (); GtkMenuItem *item = NULL; GList *labels = NULL; /* Add menu items and create and associate submenus to each item */ item = add_menuitem (GTK_MENU (capture_menu), "Image resolution"); labels = create_image_resolution_labels (); add_submenu_from_list (item, labels, (GCallback) capture_image_res_toggled_cb); g_list_free (labels); gtk_menu_item_set_submenu (parent_item, capture_menu); } #endif /* HAVE_GST_PHOTO_IFACE_H */ static gboolean ui_create (void) { gchar *gladefile = DEFAULT_GLADE_FILE; if (!g_file_test (gladefile, G_FILE_TEST_EXISTS)) { gladefile = SHARED_GLADE_FILE; } ui_glade_xml = glade_xml_new (gladefile, NULL, NULL); if (!ui_glade_xml) { fprintf (stderr, "glade_xml_new failed for %s\n", gladefile); fflush (stderr); goto done; } ui_main_window = glade_xml_get_widget (ui_glade_xml, "windowMain"); ui_drawing = glade_xml_get_widget (ui_glade_xml, "drawingareaView"); ui_drawing_frame = glade_xml_get_widget (ui_glade_xml, "drawingareaFrame"); ui_chk_continous = glade_xml_get_widget (ui_glade_xml, "chkbntContinous"); ui_chk_rawmsg = glade_xml_get_widget (ui_glade_xml, "chkbtnRawMsg"); ui_bnt_shot = GTK_BUTTON (glade_xml_get_widget (ui_glade_xml, "buttonShot")); ui_bnt_pause = GTK_BUTTON (glade_xml_get_widget (ui_glade_xml, "buttonPause")); ui_cbbox_resolution = GTK_COMBO_BOX (glade_xml_get_widget (ui_glade_xml, "comboboxResolution")); ui_chk_mute = glade_xml_get_widget (ui_glade_xml, "chkbntMute"); ui_vbox_color_controls = glade_xml_get_widget (ui_glade_xml, "vboxColorControls"); ui_rdbntImageCapture = glade_xml_get_widget (ui_glade_xml, "radiobuttonImageCapture"); ui_rdbntVideoCapture = glade_xml_get_widget (ui_glade_xml, "radiobuttonVideoCapture"); ui_menuitem_photography = glade_xml_get_widget (ui_glade_xml, "menuitemPhotography"); ui_menuitem_capture = glade_xml_get_widget (ui_glade_xml, "menuitemCapture"); #ifdef HAVE_GST_PHOTO_IFACE_H if (ui_menuitem_photography) { fill_photography_menu (GTK_MENU_ITEM (ui_menuitem_photography)); } if (ui_menuitem_capture) { fill_capture_menu (GTK_MENU_ITEM (ui_menuitem_capture)); } #endif if (!(ui_main_window && ui_drawing && ui_chk_continous && ui_bnt_shot && ui_bnt_pause && ui_cbbox_resolution && ui_chk_mute && ui_vbox_color_controls && ui_rdbntImageCapture && ui_rdbntVideoCapture && ui_chk_rawmsg && ui_menuitem_photography && ui_menuitem_capture)) { fprintf (stderr, "Some widgets couldn't be created\n"); fflush (stderr); goto done; } gtk_widget_set_double_buffered (ui_drawing, FALSE); ui_connect_signals (); gtk_widget_show_all (ui_main_window); capture_mode_config_gui (); return TRUE; done: return FALSE; } /* * main */ int main (int argc, char *argv[]) { int ret = 0; gst_init (&argc, &argv); gtk_init (&argc, &argv); filename = g_string_new_len ("", 16); /* create UI */ if (!ui_create ()) { ret = -1; goto done; } /* create pipeline and run */ if (me_gst_setup_pipeline (NULL, NULL)) { gtk_main (); } done: me_gst_cleanup_element (); g_string_free (filename, TRUE); return ret; }