/* * 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@gmail.com */ /* * 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) { gdk_window_ensure_native (gtk_widget_get_window (widget)); } 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); } } void on_zoomScale_value_changed (GtkWidget * widget, gpointer data) { g_object_set (camera, "zoom", (gfloat) gtk_range_get_value (GTK_RANGE (widget)), NULL); } 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), GDK_WINDOW_XID (gtk_widget_get_window (ui_drawing))); 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) { 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; } int main (int argc, char *argv[]) { GError *error = NULL; GstBus *bus; /* FIXME: add support for Gdk Wayland backend, code currently assumes X11 */ if (g_getenv ("GDK_BACKEND") == NULL) g_setenv ("GDK_BACKEND", "x11", TRUE); 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; }