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gstreamer/tests/examples/camerabin/gst-camera.c
Saleem Abdulrasool 516c977c76 camerabin: fix for latest GTK+ API changes
2010-12-20 21:36:40 +02:00

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/*
* GStreamer
* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
*
* 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 "gst-camera.h"
#include <gst/gst.h>
#include <gst/interfaces/xoverlay.h>
#include <gst/interfaces/colorbalance.h>
#include <gst/interfaces/photography.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <glib/gstdio.h> // g_fopen()
#if !GTK_CHECK_VERSION (2, 17, 7)
static void
gtk_widget_get_allocation (GtkWidget * w, GtkAllocation * a)
{
*a = w->allocation;
}
#endif
/*
* 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_UI_FILE "gst-camera.ui"
#define SHARED_UI_FILE CAMERA_APPS_UIDIR"/"DEFAULT_UI_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 GtkBuilder *builder = 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 const gchar *video_post;
static const gchar *image_post;
static GList *video_caps_list = NULL;
static guint bus_handler_id = 0;
#ifdef HAVE_GST_PHOTO_IFACE_H
static gchar *iso_speed_labels[] = { "auto", "100", "200", "400" };
static struct
{
const 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 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) {
gchar *curdir = g_get_current_dir ();
g_string_prepend (name, curdir);
g_free (curdir);
} else {
g_string_prepend (name, datadir);
}
GST_INFO ("capture to %s", name->str);
}
/* 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)
{
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_structure_has_name (message->structure, "prepare-xwindow-id"))
return GST_BUS_PASS;
/* FIXME: make sure to get XID in main thread */
gst_x_overlay_set_window_handle (GST_X_OVERLAY (message->src),
#if GTK_CHECK_VERSION (2, 91, 6)
GDK_WINDOW_XID (gtk_widget_get_window (ui_drawing));
#else
GDK_WINDOW_XWINDOW (gtk_widget_get_window (ui_drawing)));
#endif
gst_message_unref (message);
return GST_BUS_DROP;
}
static void
print_error_message (GstMessage * msg)
{
GError *err = NULL;
gchar *dbg = NULL;
gst_message_parse_error (msg, &err, &dbg);
g_printerr ("Camerabin won't start up!\nError: %s\nDebug Info: %s\n",
err->message, (dbg) ? dbg : "None");
g_error_free (err);
g_free (dbg);
}
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:{
print_error_message (message);
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);
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (message), "state-change %s -> %s",
gst_element_state_get_name (old), gst_element_state_get_name (new));
/* Create/destroy color controls according videosrc state */
if (GST_MESSAGE_SRC (message) == GST_OBJECT (gst_videosrc)) {
GST_INFO_OBJECT (GST_MESSAGE_SRC (message), "state-change %s -> %s",
gst_element_state_get_name (old), gst_element_state_get_name (new));
if (old == GST_STATE_READY && new == GST_STATE_NULL) {
destroy_color_controls ();
} else if (old == GST_STATE_NULL && new == GST_STATE_READY) {
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, "capture-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 ? "video-post-processing" : "image-post-processing"), 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, "video-encoder",
gst_element_factory_make ("omx_mpeg4enc", NULL), NULL);
g_object_set (gst_camera_bin, "audio-encoder",
gst_element_factory_make ("omx_aacenc", NULL), NULL);
g_object_set (gst_camera_bin, "video-muxer",
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, "image-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));
bus_handler_id = 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);
g_object_set (gst_camera_bin, "flags", 0xdf, 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), "video-source", 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), "image-post-processing", 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), "video-source", &gst_videosrc,
NULL);
}
init_view_finder_resolution_combobox ();
gst_element_set_state (gst_camera_bin, GST_STATE_PLAYING);
#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 gboolean
me_gst_setup_default_pipeline (gpointer data)
{
if (!me_gst_setup_pipeline (NULL, NULL)) {
gtk_main_quit ();
}
return FALSE;
}
static void
me_gst_cleanup_element (void)
{
if (gst_camera_bin) {
GstBus *bus;
gst_element_set_state (gst_camera_bin, GST_STATE_NULL);
gst_element_get_state (gst_camera_bin, NULL, NULL, GST_CLOCK_TIME_NONE);
bus = gst_pipeline_get_bus (GST_PIPELINE (gst_camera_bin));
gst_bus_set_sync_handler (bus, NULL, NULL);
g_source_remove (bus_handler_id);
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 (void)
{
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 (void)
{
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, "capture-start", 0);
}
break;
case CAP_STATE_VIDEO_PAUSED:
if (state == CAP_STATE_VIDEO_RECORDING) {
g_signal_emit_by_name (gst_camera_bin, "capture-start", 0);
capture_state = CAP_STATE_VIDEO_RECORDING;
} else {
g_signal_emit_by_name (gst_camera_bin, "capture-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, "capture-pause", 0);
capture_state = CAP_STATE_VIDEO_PAUSED;
} else {
g_signal_emit_by_name (gst_camera_bin, "capture-stop", 0);
capture_state = CAP_STATE_VIDEO_STOPED;
if (state == CAP_STATE_IMAGE)
capture_mode_set_state (state);
}
break;
}
return TRUE;
done:
return FALSE;
}
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);
}
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, "capture-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;
}
}
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_videosrc), TRUE);
gtk_button_set_label (ui_bnt_pause, "Cancel Focus");
} else {
/* Cancel autofocus */
gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_videosrc), 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;
}
}
void
on_drawingareaView_realize (GtkWidget * widget, gpointer data)
{
#if GTK_CHECK_VERSION (2, 18, 0)
gdk_window_ensure_native (gtk_widget_get_window (widget));
#endif
}
gboolean
on_drawingareaView_configure_event (GtkWidget * widget,
GdkEventConfigure * event, gpointer data)
{
GtkAllocation a;
gtk_widget_get_allocation (widget, &a);
gdk_window_move_resize (gtk_widget_get_window (widget),
a.x, a.y, a.width, a.height);
gdk_display_sync (gtk_widget_get_display (widget));
return TRUE;
}
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) {
GstState old;
gst_element_get_state (gst_camera_bin, &old, NULL, GST_CLOCK_TIME_NONE);
GST_DEBUG ("change resolution in %s", gst_element_state_get_name (old));
if (old != GST_STATE_NULL) {
gst_element_set_state (gst_camera_bin, GST_STATE_READY);
/* source need to be NULL, otherwise changing the mode fails with device
* busy:
* - if src goes from NULL->PLAYING it sets new mode anyway
* - if src goes form READY->PLAYIN new mode is activated via reverse caps
* negotiation, but then the device is already streaming
*/
gst_element_set_state (gst_videosrc, GST_STATE_NULL);
}
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);
if (old != GST_STATE_NULL) {
gst_element_set_state (gst_camera_bin, old);
}
}
}
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 ();
}
}
}
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, const 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 ();
}
}
void
on_rbBntVidEffNone_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, NULL);
}
void
on_rbBntVidEffEdge_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "edgetv");
}
void
on_rbBntVidEffAging_toggled (GtkToggleButton * togglebutton, gpointer user_data)
{
on_rbBntVidEff_toggled (togglebutton, "agingtv");
}
void
on_rbBntVidEffDice_toggled (GtkToggleButton * togglebutton, gpointer user_data)
{
on_rbBntVidEff_toggled (togglebutton, "dicetv");
}
void
on_rbBntVidEffWarp_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "warptv");
}
void
on_rbBntVidEffShagadelic_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "shagadelictv");
}
void
on_rbBntVidEffVertigo_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "vertigotv");
}
void
on_rbBntVidEffRev_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "revtv");
}
void
on_rbBntVidEffQuark_toggled (GtkToggleButton * togglebutton, gpointer data)
{
on_rbBntVidEff_toggled (togglebutton, "quarktv");
}
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);
}
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);
}
}
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);
}
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);
}
#ifndef GDK_KEY_F11
#define GDK_KEY_F11 GDK_F11
#endif
gboolean
on_key_released (GtkWidget * widget, GdkEventKey * event, gpointer user_data)
{
g_return_val_if_fail (event != NULL, FALSE);
switch (event->keyval) {
case GDK_KEY_F11:
#ifdef HAVE_GST_PHOTO_IFACE_H
gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_videosrc), 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_KEY_F11:
#ifdef HAVE_GST_PHOTO_IFACE_H
gst_photography_set_autofocus (GST_PHOTOGRAPHY (gst_videosrc), TRUE);
#endif
break;
case 0x0:
on_buttonShot_clicked (NULL, NULL);
break;
default:
break;
}
return FALSE;
}
static void
ui_connect_signals (void)
{
gtk_builder_connect_signals (builder, NULL);
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 GTK_CHECK_VERSION (2, 91, 6)
GtkListStore *sotre;
GtkTreeIter iter;
#endif
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);
#if GTK_CHECK_VERSION (2, 91, 6)
store = GTK_LIST_STORE (gtk_combo_box_get_model (ui_cbbox_resolution));
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, item_str->str, -1);
#else
gtk_combo_box_append_text (ui_cbbox_resolution, item_str->str);
#endif
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 (void)
{
GstCaps *default_caps;
default_caps = gst_caps_from_string (DEFAULT_VF_CAPS);
return default_caps;
}
static void
init_view_finder_resolution_combobox (void)
{
GstCaps *input_caps = NULL, *default_caps = NULL, *intersect = NULL;
g_object_get (gst_camera_bin, "video-source-caps", &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 (void)
{
GList *widgets, *item;
GtkWidget *widget = NULL;
gpointer user_data = 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);
user_data = g_object_get_data (G_OBJECT (widget), "channel");
g_signal_handlers_disconnect_by_func (widget, (GFunc) format_value_callback,
user_data);
g_signal_handlers_disconnect_by_func (widget,
(GFunc) on_color_control_value_changed, user_data);
gtk_container_remove (GTK_CONTAINER (ui_vbox_color_controls), widget);
}
g_list_free (widgets);
}
static void
create_color_controls (void)
{
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_videosrc), val->value);
gst_photography_get_white_balance_mode (GST_PHOTOGRAPHY (gst_videosrc),
&mode);
set_value = (gint) mode;
} else if (etype == GST_TYPE_SCENE_MODE) {
GstSceneMode mode;
ret =
gst_photography_set_scene_mode (GST_PHOTOGRAPHY (gst_videosrc),
val->value);
gst_photography_get_scene_mode (GST_PHOTOGRAPHY (gst_videosrc), &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_videosrc), val->value);
gst_photography_get_colour_tone_mode (GST_PHOTOGRAPHY (gst_videosrc),
&mode);
set_value = (gint) mode;
} else if (etype == GST_TYPE_FLASH_MODE) {
GstFlashMode mode;
ret =
gst_photography_set_flash_mode (GST_PHOTOGRAPHY (gst_videosrc),
val->value);
gst_photography_get_flash_mode (GST_PHOTOGRAPHY (gst_videosrc), &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_videosrc), val)) {
g_print ("ISO speed (%d) setting failed\n", val);
} else {
gst_photography_get_iso_speed (GST_PHOTOGRAPHY (gst_videosrc), &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_videosrc),
val)) {
g_print ("EV compensation (%.1f) setting failed\n", val);
} else {
gst_photography_get_ev_compensation (GST_PHOTOGRAPHY (gst_videosrc),
&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 (void)
{
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 (void)
{
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, "set-image-resolution",
image_resolution_label_map[i].width,
image_resolution_label_map[i].height, 0);
break;
}
}
}
}
GList *
create_image_resolution_labels (void)
{
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)
{
GError *error = NULL;
const gchar *uifile = DEFAULT_UI_FILE;
if (!g_file_test (uifile, G_FILE_TEST_EXISTS)) {
uifile = SHARED_UI_FILE;
}
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file (builder, uifile, &error)) {
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free (error);
goto done;
}
ui_main_window = GTK_WIDGET (gtk_builder_get_object (builder, "windowMain"));
ui_drawing = GTK_WIDGET (gtk_builder_get_object (builder, "drawingareaView"));
ui_drawing_frame =
GTK_WIDGET (gtk_builder_get_object (builder, "drawingareaFrame"));
ui_chk_continous =
GTK_WIDGET (gtk_builder_get_object (builder, "chkbntContinous"));
ui_chk_rawmsg = GTK_WIDGET (gtk_builder_get_object (builder, "chkbtnRawMsg"));
ui_bnt_shot = GTK_BUTTON (gtk_builder_get_object (builder, "buttonShot"));
ui_bnt_pause = GTK_BUTTON (gtk_builder_get_object (builder, "buttonPause"));
ui_cbbox_resolution =
GTK_COMBO_BOX (gtk_builder_get_object (builder, "comboboxResolution"));
ui_chk_mute = GTK_WIDGET (gtk_builder_get_object (builder, "chkbntMute"));
ui_vbox_color_controls =
GTK_WIDGET (gtk_builder_get_object (builder, "vboxColorControls"));
ui_rdbntImageCapture =
GTK_WIDGET (gtk_builder_get_object (builder, "radiobuttonImageCapture"));
ui_rdbntVideoCapture =
GTK_WIDGET (gtk_builder_get_object (builder, "radiobuttonVideoCapture"));
ui_menuitem_photography =
GTK_WIDGET (gtk_builder_get_object (builder, "menuitemPhotography"));
ui_menuitem_capture =
GTK_WIDGET (gtk_builder_get_object (builder, "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 */
g_idle_add (me_gst_setup_default_pipeline, NULL);
gtk_main ();
done:
me_gst_cleanup_element ();
g_string_free (filename, TRUE);
return ret;
}
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