| /* |
| * GStreamer |
| * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk> |
| * |
| * 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, 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-camera2.h" |
| |
| #include <string.h> |
| |
| #include <gst/pbutils/encoding-profile.h> |
| #include <gst/gst.h> |
| #include <gst/video/videooverlay.h> |
| #include <gtk/gtk.h> |
| #include <gdk/gdkx.h> |
| #include <gdk/gdkkeysyms.h> |
| |
| #define UI_FILE CAMERA_APPS_UIDIR G_DIR_SEPARATOR_S "gst-camera2.ui" |
| |
| static GstElement *camera; |
| static GtkBuilder *builder; |
| static GtkWidget *ui_main_window; |
| |
| typedef struct |
| { |
| const gchar *name; |
| GstEncodingProfile *(*create_profile) (); |
| } GstCameraVideoFormat; |
| |
| static GstEncodingProfile * |
| create_ogg_profile (void) |
| { |
| GstEncodingContainerProfile *container; |
| GstCaps *caps = NULL; |
| |
| caps = gst_caps_new_empty_simple ("application/ogg"); |
| container = gst_encoding_container_profile_new ("ogg", NULL, caps, NULL); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_empty_simple ("video/x-theora"); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_video_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_empty_simple ("audio/x-vorbis"); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_audio_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| return (GstEncodingProfile *) container; |
| } |
| |
| static GstEncodingProfile * |
| create_webm_profile (void) |
| { |
| GstEncodingContainerProfile *container; |
| GstCaps *caps = NULL; |
| |
| caps = gst_caps_new_empty_simple ("video/webm"); |
| container = gst_encoding_container_profile_new ("webm", NULL, caps, NULL); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_empty_simple ("video/x-vp8"); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_video_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_empty_simple ("audio/x-vorbis"); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_audio_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| return (GstEncodingProfile *) container; |
| } |
| |
| static GstEncodingProfile * |
| create_mp4_profile (void) |
| { |
| GstEncodingContainerProfile *container; |
| GstCaps *caps = NULL; |
| |
| caps = |
| gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING, "iso", |
| NULL); |
| container = gst_encoding_container_profile_new ("mp4", NULL, caps, NULL); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_empty_simple ("video/x-h264"); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_video_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| caps = gst_caps_new_simple ("audio/mpeg", "version", G_TYPE_INT, 4, NULL); |
| gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *) |
| gst_encoding_audio_profile_new (caps, NULL, NULL, 1)); |
| gst_caps_unref (caps); |
| |
| return (GstEncodingProfile *) container; |
| } |
| |
| GstCameraVideoFormat formats[] = { |
| {"ogg (theora/vorbis)", create_ogg_profile} |
| , |
| {"webm (vp8/vorbis)", create_webm_profile} |
| , |
| {"mp4 (h264+aac)", create_mp4_profile} |
| , |
| {NULL, NULL} |
| }; |
| |
| void |
| on_mainWindow_delete_event (GtkWidget * widget, GdkEvent * event, gpointer data) |
| { |
| gtk_main_quit (); |
| } |
| |
| void |
| on_captureButton_clicked (GtkButton * button, gpointer user_data) |
| { |
| g_signal_emit_by_name (camera, "start-capture", NULL); |
| } |
| |
| void |
| on_stopCaptureButton_clicked (GtkButton * button, gpointer user_data) |
| { |
| g_signal_emit_by_name (camera, "stop-capture", NULL); |
| } |
| |
| void |
| on_imageRButton_toggled (GtkToggleButton * button, gpointer user_data) |
| { |
| if (gtk_toggle_button_get_active (button)) { |
| g_object_set (camera, "mode", 1, NULL); /* Image mode */ |
| } |
| } |
| |
| void |
| on_videoRButton_toggled (GtkToggleButton * button, gpointer user_data) |
| { |
| if (gtk_toggle_button_get_active (button)) { |
| g_object_set (camera, "mode", 2, NULL); /* Video mode */ |
| } |
| } |
| |
| void |
| on_viewfinderArea_realize (GtkWidget * widget, gpointer data) |
| { |
| #if GTK_CHECK_VERSION (2, 18, 0) |
| gdk_window_ensure_native (gtk_widget_get_window (widget)); |
| #endif |
| } |
| |
| void |
| on_formatComboBox_changed (GtkWidget * widget, gpointer data) |
| { |
| GstEncodingProfile *profile = NULL; |
| gint index = gtk_combo_box_get_active (GTK_COMBO_BOX (widget)); |
| |
| if (formats[index].create_profile) { |
| profile = formats[index].create_profile (); |
| } |
| |
| g_return_if_fail (profile != NULL); |
| gst_element_set_state (camera, GST_STATE_NULL); |
| g_object_set (camera, "video-profile", profile, NULL); |
| gst_encoding_profile_unref (profile); |
| |
| if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (camera, |
| GST_STATE_PLAYING)) { |
| GtkWidget *dialog = |
| gtk_message_dialog_new (GTK_WINDOW (ui_main_window), GTK_DIALOG_MODAL, |
| GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, |
| "Could not initialize camerabin with the " |
| "selected format. Your system might not have the required plugins installed.\n" |
| "Please select another format."); |
| |
| gtk_dialog_run (GTK_DIALOG (dialog)); |
| |
| gtk_widget_destroy (dialog); |
| } |
| } |
| |
| static GstBusSyncReply |
| bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data) |
| { |
| GtkWidget *ui_drawing; |
| |
| if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT) |
| return GST_BUS_PASS; |
| |
| if (!gst_message_has_name (message, "prepare-window-handle")) |
| return GST_BUS_PASS; |
| |
| /* FIXME: make sure to get XID in main thread */ |
| ui_drawing = GTK_WIDGET (gtk_builder_get_object (builder, "viewfinderArea")); |
| gst_video_overlay_set_window_handle (GST_VIDEO_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 gboolean |
| 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 = NULL; |
| gchar *debug = NULL; |
| |
| gst_message_parse_error (message, &err, &debug); |
| g_print ("Error: %s : %s\n", err->message, debug); |
| g_error_free (err); |
| g_free (debug); |
| |
| gtk_main_quit (); |
| break; |
| } |
| case GST_MESSAGE_EOS: |
| /* end-of-stream */ |
| g_print ("Eos\n"); |
| gtk_main_quit (); |
| break; |
| case GST_MESSAGE_ELEMENT: |
| { |
| //handle_element_message (message); |
| break; |
| } |
| default: |
| /* unhandled message */ |
| break; |
| } |
| return TRUE; |
| } |
| |
| static gboolean |
| init_gtkwidgets_data (void) |
| { |
| #if GTK_CHECK_VERSION(2,24,0) |
| gint i; |
| GtkComboBoxText *combobox = |
| GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "formatComboBox")); |
| |
| /* init formats combobox */ |
| i = 0; |
| while (formats[i].name) { |
| gtk_combo_box_text_append_text (combobox, formats[i].name); |
| i++; |
| } |
| |
| /* default to the first one -> ogg */ |
| gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0); |
| return TRUE; |
| #else |
| g_warning ("This needs a newer version of GTK (2.24 at least)"); |
| return FALSE; |
| #endif |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| GError *error = NULL; |
| GstBus *bus; |
| |
| gst_init (&argc, &argv); |
| gtk_init (&argc, &argv); |
| |
| builder = gtk_builder_new (); |
| if (!gtk_builder_add_from_file (builder, UI_FILE, &error)) { |
| g_warning ("Error: %s", error->message); |
| g_error_free (error); |
| return 1; |
| } |
| |
| camera = gst_element_factory_make ("camerabin", "camera"); |
| bus = gst_pipeline_get_bus (GST_PIPELINE (camera)); |
| gst_bus_add_watch (bus, bus_callback, NULL); |
| gst_bus_set_sync_handler (bus, bus_sync_callback, NULL, NULL); |
| gst_object_unref (bus); |
| |
| if (!init_gtkwidgets_data ()) { |
| goto error; |
| } |
| |
| ui_main_window = GTK_WIDGET (gtk_builder_get_object (builder, "mainWindow")); |
| gtk_builder_connect_signals (builder, NULL); |
| gtk_widget_show_all (ui_main_window); |
| |
| gst_element_set_state (camera, GST_STATE_PLAYING); |
| |
| gtk_main (); |
| |
| error: |
| gst_element_set_state (camera, GST_STATE_NULL); |
| gst_object_unref (camera); |
| return 0; |
| } |