diff options
Diffstat (limited to 'examples/scaletempo')
| -rw-r--r-- | examples/scaletempo/.gitignore | 1 | ||||
| -rw-r--r-- | examples/scaletempo/Makefile.am | 8 | ||||
| -rw-r--r-- | examples/scaletempo/demo-gui.c | 1262 | ||||
| -rw-r--r-- | examples/scaletempo/demo-gui.h | 60 | ||||
| -rw-r--r-- | examples/scaletempo/demo-main.c | 95 | ||||
| -rw-r--r-- | examples/scaletempo/demo-player.c | 756 | ||||
| -rw-r--r-- | examples/scaletempo/demo-player.h | 71 |
7 files changed, 0 insertions, 2253 deletions
diff --git a/examples/scaletempo/.gitignore b/examples/scaletempo/.gitignore deleted file mode 100644 index 1c56e144..00000000 --- a/examples/scaletempo/.gitignore +++ /dev/null @@ -1 +0,0 @@ -scaletempo-demo diff --git a/examples/scaletempo/Makefile.am b/examples/scaletempo/Makefile.am deleted file mode 100644 index 5cdf3c7f..00000000 --- a/examples/scaletempo/Makefile.am +++ /dev/null @@ -1,8 +0,0 @@ -noinst_PROGRAMS = scaletempo-demo - -scaletempo_demo_SOURCES = demo-main.c demo-player.c demo-gui.c -scaletempo_demo_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GTK_CFLAGS) -scaletempo_demo_LDFLAGS = $(GST_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GTK_LIBS) -lgstinterfaces-@GST_MAJORMINOR@ - -noinst_HEADERS = demo-player.h demo-gui.h - diff --git a/examples/scaletempo/demo-gui.c b/examples/scaletempo/demo-gui.c deleted file mode 100644 index 01df9991..00000000 --- a/examples/scaletempo/demo-gui.c +++ /dev/null @@ -1,1262 +0,0 @@ -/* demo-gui.c - * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <gtk/gtk.h> -#include <glib/gprintf.h> -#include <math.h> -#include "demo-gui.h" - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "demo-gui" - -#if !GTK_CHECK_VERSION(2,12,0) -#define gtk_widget_error_bell(w) /* nop */ -#endif - -enum -{ - SIGNAL_ERROR, - SIGNAL_QUITING, - LAST_SIGNAL -}; -static guint demo_gui_signals[LAST_SIGNAL] = { 0 }; - -enum -{ - PROP_0, -}; - -typedef struct _DemoGuiPrivate -{ - DemoPlayer *player; - GList *uris; - GList *now_playing; - gboolean is_playing; - GtkWidget *window; - GtkEntry *rate_entry; - GtkStatusbar *status_bar; - gint position_updater_id; - GtkRange *seek_range; - GtkLabel *amount_played; - GtkLabel *amount_to_play; - GtkAction *play_action; - GtkAction *pause_action; - GtkAction *open_file; - GtkAction *playlist_next; -} DemoGuiPrivate; - -#define DEMO_GUI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEMO_TYPE_GUI, DemoGuiPrivate)) - -/* forward declarations */ -static GValueArray *build_gvalue_array (guint n_values, ...); - -/* Handlers for status bar and seek bar */ -static int -pop_status_bar (gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - GtkStatusbar *sb = - GTK_STATUSBAR (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - guint msg_id = g_value_get_uint (g_value_array_get_nth (gvalues, 1)); - - gtk_statusbar_remove (sb, 0, msg_id); - return FALSE; -} - -#define DEFAULT_STATUS_BAR_TIMEOUT 2 -static void -status_bar_printf (GtkStatusbar * sb, guint seconds, gchar const *format, ...) -{ - va_list args; - gchar msg[80]; - guint msg_id; - - va_start (args, format); - g_vsnprintf (msg, 80, format, args); - va_end (args); - - msg_id = gtk_statusbar_push (sb, 0, msg); - g_timeout_add (2000, pop_status_bar, - build_gvalue_array (2, G_TYPE_OBJECT, sb, G_TYPE_UINT, msg_id)); -} - -#define PRINTF_TIME_FORMAT "u:%02u:%02u" -#define PRINTF_TIME_ARGS(t) \ - (t >= 0) ? (guint) ((t) / (60 * 60)) : 99, \ - (t >= 0) ? (guint) (((t) / (60)) % 60) : 99, \ - (t >= 0) ? (guint) ((t) % 60) : 99 - -static gchar * -demo_gui_seek_bar_format (GtkScale * scale, gdouble value, gpointer data) -{ - return g_strdup_printf ("%" PRINTF_TIME_FORMAT, - PRINTF_TIME_ARGS ((gint64) value)); -} - -gboolean -update_position (gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gchar pos_str[16], dur_str[16]; - gint pos = demo_player_get_position (priv->player); - - if (pos > 0) { - gint dur = demo_player_get_duration (priv->player); - - g_snprintf (pos_str, 16, "%" PRINTF_TIME_FORMAT, PRINTF_TIME_ARGS (pos)); - if (dur > 0) { - g_snprintf (dur_str, 16, "-%" PRINTF_TIME_FORMAT, - PRINTF_TIME_ARGS (dur - pos)); - } else { - dur = pos; - g_sprintf (dur_str, "-??:??:??"); - } - if (dur > 0) - gtk_range_set_range (GTK_RANGE (priv->seek_range), 0, (gdouble) dur); - gtk_range_set_value (GTK_RANGE (priv->seek_range), (gdouble) pos); - } else { - g_sprintf (pos_str, "??:??:??"); - g_sprintf (dur_str, "-??:??:??"); - } - gtk_label_set_text (GTK_LABEL (priv->amount_played), pos_str); - gtk_label_set_text (GTK_LABEL (priv->amount_to_play), dur_str); - - return priv->is_playing; -} - - -gboolean -demo_gui_seek_bar_change (GtkRange * range, - GtkScrollType scroll, gdouble value, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gint new_second = (gint) value; - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Seeking to %i second", new_second); - demo_player_seek_to (priv->player, new_second); - - return FALSE; -} - - -/* Callbacks for actions */ -static void -demo_gui_do_change_rate (GtkAction * action, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); - gdouble scale_amount = - g_value_get_double (g_value_array_get_nth (gvalues, 1)); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Changing rate by %3.2lf", scale_amount); - - demo_player_scale_rate (priv->player, scale_amount); -} - -static void -demo_gui_do_set_rate (GtkAction * action, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); - gdouble new_rate = g_value_get_double (g_value_array_get_nth (gvalues, 1)); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Setting rate to %3.2lf", new_rate); - - demo_player_set_rate (priv->player, new_rate); -} - -static gboolean -demo_gui_do_rate_entered (GtkWidget * widget, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gchar *err = NULL; - const gchar *text = gtk_entry_get_text (GTK_ENTRY (widget)); - double new_rate = g_strtod (text, &err); - - if (*err) { - gtk_widget_error_bell (priv->window); - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Invalid rate: %s", text); - return TRUE; - } - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Setting rate to %3.2lf", new_rate); - - demo_player_set_rate (priv->player, new_rate); - return FALSE; -} - -static void -demo_gui_do_toggle_advanced (GtkAction * action, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - GtkWidget *stride_ui = - GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 1))); - GtkWidget *overlap_ui = - GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); - GtkWidget *search_ui = - GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 3))); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gboolean active; - - status_bar_printf (priv->status_bar, 1, "Toggling advanced mode"); - - active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); - gtk_widget_set_sensitive (stride_ui, active); - gtk_widget_set_sensitive (overlap_ui, active); - gtk_widget_set_sensitive (search_ui, active); -} - -static void -demo_gui_do_toggle_disabled (GtkAction * action, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - GtkAction *advanced_action = - GTK_ACTION (g_value_get_object (g_value_array_get_nth (gvalues, 1))); - GtkWidget *advanced_ui = - GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); - - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gboolean active; - - status_bar_printf (priv->status_bar, 1, "Toggling disabled"); - - active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); - gtk_action_set_sensitive (GTK_ACTION (advanced_action), !active); - gtk_widget_set_sensitive (GTK_WIDGET (advanced_ui), !active); - g_object_set (G_OBJECT (priv->player), "disabled", active, NULL); -} - -static void -demo_gui_do_seek (GtkAction * action, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - gint seconds = g_value_get_int (g_value_array_get_nth (gvalues, 1)); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Requesting seek by %i seconds", seconds); - - demo_player_seek_by (priv->player, seconds); -} - -static void -demo_gui_do_play (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - if (priv->is_playing) { - g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already playing"); - return; - } - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Requesting playback start"); - - demo_player_play (priv->player); -} - -static void -demo_gui_do_pause (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - if (!priv->is_playing) { - g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already paused"); - return; - } - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Requesting playback pause"); - - demo_player_pause (priv->player); -} - -static void -demo_gui_do_play_pause (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Reqesting playback toggle"); - - if (priv->is_playing) - gtk_action_activate (priv->pause_action); - else - gtk_action_activate (priv->play_action); -} - -static void -demo_gui_do_open_file (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - GtkWidget *dialog = gtk_file_chooser_dialog_new ("Open File", - GTK_WINDOW (priv->window), - GTK_FILE_CHOOSER_ACTION_OPEN, - GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, - GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, - NULL); - - if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) { - char *filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); - GError *err = NULL; - - g_list_free (priv->uris); - priv->uris = NULL; - priv->now_playing = NULL; - demo_player_load_uri (priv->player, g_filename_to_uri (filename, NULL, - &err)); - g_free (filename); - } - gtk_widget_destroy (dialog); -} - -static void -demo_gui_do_playlist_prev (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - if (priv->now_playing) { - if (priv->now_playing->prev) { - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playlist previous"); - priv->now_playing = priv->now_playing->prev; - } else { - priv->now_playing = NULL; - gtk_widget_error_bell (priv->window); - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Beginning of playlist"); - return; - } - } else if (priv->uris) { - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playlist previous: wrap"); - priv->now_playing = g_list_last (priv->uris); - } else { - gtk_action_activate (priv->open_file); - return; - } - - demo_player_load_uri (priv->player, priv->now_playing->data); -} - -static void -demo_gui_do_playlist_next (GtkAction * action, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - if (priv->now_playing) { - if (priv->now_playing->next) { - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playlist next"); - priv->now_playing = priv->now_playing->next; - } else { - priv->now_playing = NULL; - gtk_widget_error_bell (priv->window); - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "End of playlist"); - return; - } - } else if (priv->uris) { - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playlist next: wrap"); - priv->now_playing = priv->uris; - } else { - gtk_action_activate (priv->open_file); - return; - } - - demo_player_load_uri (priv->player, priv->now_playing->data); -} - -static void -demo_gui_do_about_dialog (GtkAction * action, gpointer data) -{ - static gchar *authors[] = - { "Rov Juvano <rovjuvano@users.sourceforge.net>", NULL }; - - gtk_show_about_dialog (NULL, - "program-name", "gst-scaletempo-demo", - "version", VERSION, - "authors", authors, - "license", "This program is free software: you can redistribute it and/or modify\n\ -it under the terms of the GNU General Public License as published by\n\ -the Free Software Foundation, either version 3 of the License, or\n\ -(at your option) any later version.\n\ -\n\ -This program is distributed in the hope that it will be useful,\n\ -but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ -GNU General Public License for more details.\n\ -\n\ -You should have received a copy of the GNU General Public License\n\ -along with this program. If not, see <http://www.gnu.org/licenses/>.", "title", "About gst-scaletempo-demo", NULL); -} - -static void -demo_gui_do_quit (gpointer source, gpointer data) -{ - gtk_main_quit (); - g_signal_emit (DEMO_GUI (data), demo_gui_signals[SIGNAL_QUITING], 0, NULL); -} - -static gboolean -demo_gui_request_set_stride (GtkSpinButton * spinbutton, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - guint new_stride = gtk_spin_button_get_value_as_int (spinbutton); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Reqesting setting stride to %u ms", new_stride); - g_object_set (G_OBJECT (priv->player), "stride", new_stride, NULL); - return TRUE; -} - -static gboolean -demo_gui_request_set_overlap (GtkSpinButton * spinbutton, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gdouble new_overlap = gtk_spin_button_get_value_as_int (spinbutton); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Requesting setting overlap to %2.0lf%%", new_overlap); - g_object_set (G_OBJECT (priv->player), "overlap", new_overlap / 100.0, NULL); - return TRUE; -} - -static gboolean -demo_gui_request_set_search (GtkSpinButton * spinbutton, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - guint new_search = gtk_spin_button_get_value_as_int (spinbutton); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Requesting setting search to %u ms", new_search); - g_object_set (G_OBJECT (priv->player), "search", new_search, NULL); - return TRUE; -} - - -/* Callbacks from signals */ -static void -demo_gui_rate_changed (DemoPlayer * player, gdouble new_rate, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gchar e[6]; - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Rate changed to %3.2lf", new_rate); - - g_snprintf (e, 6, "%3.2f", new_rate); - gtk_entry_set_text (GTK_ENTRY (priv->rate_entry), e); -} - -static void -demo_gui_playing_started (DemoPlayer * player, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - priv->is_playing = TRUE; - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playing started"); - - gtk_action_set_sensitive (priv->play_action, FALSE); - gtk_action_set_sensitive (priv->pause_action, TRUE); - gtk_action_set_visible (priv->play_action, FALSE); - gtk_action_set_visible (priv->pause_action, TRUE); - - if (priv->position_updater_id) { - g_source_remove (priv->position_updater_id); - priv->position_updater_id = 0; - } - update_position (gui); - priv->position_updater_id = g_timeout_add (1000, update_position, gui); -} - -static void -demo_gui_playing_paused (DemoPlayer * player, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - gtk_action_set_sensitive (priv->play_action, TRUE); - gtk_action_set_sensitive (priv->pause_action, FALSE); - gtk_action_set_visible (priv->play_action, TRUE); - gtk_action_set_visible (priv->pause_action, FALSE); - - priv->is_playing = FALSE; - - if (priv->position_updater_id) - g_source_remove (priv->position_updater_id); - priv->position_updater_id = 0; - update_position (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playing paused"); -} - -static void -demo_gui_playing_ended (DemoPlayer * player, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Playing ended"); - gtk_action_activate (priv->playlist_next); -} - -static void -demo_gui_player_errored (DemoPlayer * player, const gchar * msg, gpointer data) -{ - DemoGui *gui = DEMO_GUI (data); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - status_bar_printf (priv->status_bar, 5, msg); -} - -static void -demo_gui_stride_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - GtkEntry *entry = - GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - guint new_stride; - gchar e[6]; - - g_object_get (G_OBJECT (player), "stride", &new_stride, NULL); - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Stride changed to %u", new_stride); - - snprintf (e, 6, "%u", new_stride); - gtk_entry_set_text (entry, e); -} - -static void -demo_gui_overlap_changed (DemoPlayer * player, - GParamSpec * pspec, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - GtkEntry *entry = - GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - gdouble new_overlap; - gchar e[6]; - - g_object_get (G_OBJECT (player), "overlap", &new_overlap, NULL); - new_overlap *= 100; - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Overlap changed to %2.0lf%%", new_overlap); - - snprintf (e, 6, "%2.0f", new_overlap); - gtk_entry_set_text (entry, e); -} - -static void -demo_gui_search_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) -{ - GValueArray *gvalues = (GValueArray *) data; - DemoGui *gui = - DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); - GtkEntry *entry = - GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - guint new_search; - gchar e[6]; - - g_object_get (G_OBJECT (player), "search", &new_search, NULL); - status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, - "Search changed to %u", new_search); - - snprintf (e, 6, "%u", new_search); - gtk_entry_set_text (entry, e); -} - - -/* method implementations */ -static void -demo_gui_set_player_func (DemoGui * gui, DemoPlayer * player) -{ - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - - if (priv->player) { - g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), - G_CALLBACK (demo_gui_rate_changed), gui); - g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), - G_CALLBACK (demo_gui_playing_started), gui); - g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), - G_CALLBACK (demo_gui_playing_paused), gui); - g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), - G_CALLBACK (demo_gui_playing_ended), gui); - g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), - G_CALLBACK (demo_gui_player_errored), gui); - g_object_unref (priv->player); - } - g_object_ref (player); - priv->player = player; - g_signal_connect (G_OBJECT (priv->player), "error", - G_CALLBACK (demo_gui_player_errored), gui); - g_signal_connect (G_OBJECT (priv->player), "rate-changed", - G_CALLBACK (demo_gui_rate_changed), gui); - g_signal_connect (G_OBJECT (priv->player), "playing-started", - G_CALLBACK (demo_gui_playing_started), gui); - g_signal_connect (G_OBJECT (priv->player), "playing-paused", - G_CALLBACK (demo_gui_playing_paused), gui); - g_signal_connect (G_OBJECT (priv->player), "playing-ended", - G_CALLBACK (demo_gui_playing_ended), gui); - priv->is_playing = FALSE; -} - -static void -demo_gui_set_playlist_func (DemoGui * gui, GList * uris) -{ - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - priv->uris = uris; -} - -typedef struct _ActionEntry -{ - GtkAction *action; - GtkWidget *button; - const gchar *accel; - const gchar *name; - const gchar *label; - const gchar *tooltip; - const gchar *stock_id; - GtkAccelGroup *accel_group; - GtkActionGroup *action_group; - GCallback callback; - gpointer data; -} ActionEntry; - -static GValueArray * -build_gvalue_array (guint n_values, ...) -{ - va_list args; - GValueArray *gva; - int i; - - va_start (args, n_values); - gva = g_value_array_new (n_values); - - for (i = 0; i < n_values; i++) { - GType type = va_arg (args, GType); - GValue *gval = g_new0 (GValue, 1); - if (type == G_TYPE_INT) { - gint value = va_arg (args, gint); - g_value_set_int (g_value_init (gval, G_TYPE_INT), value); - } else if (type == G_TYPE_UINT) { - guint value = va_arg (args, guint); - g_value_set_uint (g_value_init (gval, G_TYPE_UINT), value); - } else if (type == G_TYPE_DOUBLE) { - double value = va_arg (args, double); - g_value_set_double (g_value_init (gval, G_TYPE_DOUBLE), value); - } else if (type == G_TYPE_OBJECT) { - GObject *value = va_arg (args, GObject *); - g_value_set_object (g_value_init (gval, G_TYPE_OBJECT), value); - } else { - g_critical ("build_gvalue_array cannot handle type (%s)", - g_type_name (type)); - va_end (args); - return NULL; - } - g_value_array_append (gva, gval); - } - va_end (args); - return gva; -} - -static void -create_action (ActionEntry * p) -{ - p->action = gtk_action_new (p->name, p->label, p->tooltip, p->stock_id); - - gtk_action_group_add_action_with_accel (p->action_group, p->action, p->accel); - gtk_action_set_accel_group (p->action, p->accel_group); - gtk_action_connect_accelerator (p->action); - - p->button = gtk_button_new (); - gtk_action_connect_proxy (p->action, p->button); - gtk_button_set_image (GTK_BUTTON (p->button), - gtk_action_create_icon (p->action, GTK_ICON_SIZE_BUTTON)); - g_signal_connect (G_OBJECT (p->action), "activate", p->callback, p->data); -} - -static void -demo_gui_show_func (DemoGui * gui) -{ - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - GtkWidget *window; - GtkAccelGroup *accel_group; - GtkActionGroup *action_group; - GtkAction *toggle_advanced, *toggle_disabled; - ActionEntry *slower_lg, *slower_sm, *faster_sm, *faster_lg, *normal, - *rewind_lg, *rewind_sm, *forward_sm, *forward_lg, *pause, *play, - *play_pause, *open_file, *playlist_prev, *playlist_next, *quit, *about; - GtkRequisition pause_size; - GtkWidget *rate_entry, *rate_label, *toolbox, *stride_ui, *overlap_ui, - *search_ui, *propbox, *adv_check, *disabled_check, *media_controls, - *amount_played, *amount_to_play, *seek_range, *seek_bar, *status_bar, - *file_menu, *file_menu_item, *media_menu_item, *demo_menu, - *demo_menu_item, *menu_bar, *toplevel_box, *media_menu; - GError *error = NULL; - - gtk_init (NULL, NULL); - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (demo_gui_do_quit), - gui); - - accel_group = gtk_accel_group_new (); - gtk_window_add_accel_group (GTK_WINDOW (window), accel_group); - action_group = gtk_action_group_new ("toolbar"); - - slower_lg = &(ActionEntry) { - NULL, NULL, - "braceleft", "slower-large", - "2x Slower", "half playback rate", - GTK_STOCK_GO_DOWN, accel_group, action_group, - G_CALLBACK (demo_gui_do_change_rate), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 0.5) - }; - create_action (slower_lg); - - slower_sm = &(ActionEntry) { - NULL, NULL, - "bracketleft", "slower-small", - "_Slower", "decrease playback rate", - GTK_STOCK_GO_DOWN, accel_group, action_group, - G_CALLBACK (demo_gui_do_change_rate), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, - -1.0 / 12)) - }; - create_action (slower_sm); - - faster_sm = &(ActionEntry) { - NULL, NULL, - "bracketright", "faster-small", - "_Faster", "increase playback rate", - GTK_STOCK_GO_UP, accel_group, action_group, - G_CALLBACK (demo_gui_do_change_rate), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, - 1.0 / 12)) - }; - create_action (faster_sm); - - faster_lg = &(ActionEntry) { - NULL, NULL, - "braceright", "faster-large", - "2X Faster", "double playback rate", - GTK_STOCK_GO_UP, accel_group, action_group, - G_CALLBACK (demo_gui_do_change_rate), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 2.0) - }; - create_action (faster_lg); - - normal = &(ActionEntry) { - NULL, NULL, - "backslash", "normal", - "_Normal", "playback normal rate", - GTK_STOCK_CLEAR, accel_group, action_group, - G_CALLBACK (demo_gui_do_set_rate), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 1.0) - }; - create_action (normal); - - rewind_lg = &(ActionEntry) { - NULL, NULL, - "<ctrl><shift>Left", "seek-rewind-large", - "Rewind (large)", "seek -30 seconds", - GTK_STOCK_MEDIA_REWIND, accel_group, action_group, - G_CALLBACK (demo_gui_do_seek), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -30) - }; - create_action (rewind_lg); - - rewind_sm = &(ActionEntry) { - NULL, NULL, - "<ctrl>Left", "seek-rewind-small", - "Rewind", "seek -15 seconds", - GTK_STOCK_MEDIA_REWIND, accel_group, action_group, - G_CALLBACK (demo_gui_do_seek), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -5) - }; - create_action (rewind_sm); - - forward_sm = &(ActionEntry) { - NULL, NULL, - "<ctrl>Right", "seek-forward-small", - "Forward", "seek +5 seconds", - GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, - G_CALLBACK (demo_gui_do_seek), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 5) - }; - create_action (forward_sm); - - forward_lg = &(ActionEntry) { - NULL, NULL, - "<ctrl><shift>Right", "seek-forward-large", - "Forward (large)", "seek +30 seconds", - GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, - G_CALLBACK (demo_gui_do_seek), - build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 30) - }; - create_action (forward_lg); - - pause = &(ActionEntry) { - NULL, NULL, - "p", "pause", - "Pause", "Pause playback", - GTK_STOCK_MEDIA_PAUSE, accel_group, action_group, - G_CALLBACK (demo_gui_do_pause), gui}; - create_action (pause); - - play = &(ActionEntry) { - NULL, NULL, - "<ctrl>p", "play", - "Play", "Start Playback", - GTK_STOCK_MEDIA_PLAY, accel_group, action_group, - G_CALLBACK (demo_gui_do_play), gui}; - create_action (play); - gtk_widget_size_request (pause->button, &pause_size); - gtk_widget_set_size_request (play->button, pause_size.width, -1); - - play_pause = &(ActionEntry) { - NULL, NULL, - "space", "play-pause", - "Play/Pause", "Toggle playback", - NULL, accel_group, action_group, - G_CALLBACK (demo_gui_do_play_pause), gui}; - create_action (play_pause); - - open_file = &(ActionEntry) { - NULL, NULL, - "<ctrl>o", "open-file", - "Open File", "Open file for playing", - GTK_STOCK_OPEN, accel_group, action_group, - G_CALLBACK (demo_gui_do_open_file), gui}; - create_action (open_file); - - playlist_prev = &(ActionEntry) { - NULL, NULL, - "less", "playlist-previous", - "Previous", "Previous in playlist", - GTK_STOCK_MEDIA_PREVIOUS, accel_group, action_group, - G_CALLBACK (demo_gui_do_playlist_prev), gui}; - create_action (playlist_prev); - - playlist_next = &(ActionEntry) { - NULL, NULL, - "greater", "playlist-next", - "Next", "Next in playlist", - GTK_STOCK_MEDIA_NEXT, accel_group, action_group, - G_CALLBACK (demo_gui_do_playlist_next), gui}; - create_action (playlist_next); - - quit = &(ActionEntry) { - NULL, NULL, - "q", "quit", - "Quit", "Quit demo", - GTK_STOCK_QUIT, accel_group, action_group, - G_CALLBACK (demo_gui_do_quit), gui}; - create_action (quit); - - about = &(ActionEntry) { - NULL, NULL, - "<ctrl>h", "about", - "About", "About gst-scaletemo-demo", - GTK_STOCK_ABOUT, accel_group, action_group, - G_CALLBACK (demo_gui_do_about_dialog), gui}; - create_action (about); - - rate_entry = gtk_entry_new (); - rate_label = gtk_label_new ("Rate:"); - gtk_entry_set_max_length (GTK_ENTRY (rate_entry), 5); - gtk_entry_set_text (GTK_ENTRY (rate_entry), "1.0"); - gtk_entry_set_width_chars (GTK_ENTRY (rate_entry), 5); - g_signal_connect (G_OBJECT (rate_entry), "activate", - G_CALLBACK (demo_gui_do_rate_entered), gui); - - toolbox = gtk_hbox_new (FALSE, 0); - gtk_box_pack_start (GTK_BOX (toolbox), slower_sm->button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toolbox), rate_label, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toolbox), rate_entry, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toolbox), faster_sm->button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toolbox), normal->button, FALSE, FALSE, 2); - - - stride_ui = - gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (60, 1, 1000, 1, - 10, 0)), 0, 0); - overlap_ui = - gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (20, 0, 100, 5, - 10, .00001)), 0, 0); - search_ui = - gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (14, 0, 1000, 1, - 10, 0)), 0, 0); - gtk_widget_set_sensitive (stride_ui, FALSE); - gtk_widget_set_sensitive (overlap_ui, FALSE); - gtk_widget_set_sensitive (search_ui, FALSE); - g_signal_connect (G_OBJECT (stride_ui), "output", - G_CALLBACK (demo_gui_request_set_stride), gui); - g_signal_connect (G_OBJECT (overlap_ui), "output", - G_CALLBACK (demo_gui_request_set_overlap), gui); - g_signal_connect (G_OBJECT (search_ui), "output", - G_CALLBACK (demo_gui_request_set_search), gui); - g_signal_connect (G_OBJECT (priv->player), "notify::stride", - G_CALLBACK (demo_gui_stride_changed), build_gvalue_array (2, - G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui)); - g_signal_connect (G_OBJECT (priv->player), "notify::overlap", - G_CALLBACK (demo_gui_overlap_changed), build_gvalue_array (2, - G_TYPE_OBJECT, gui, G_TYPE_OBJECT, overlap_ui)); - g_signal_connect (G_OBJECT (priv->player), "notify::search", - G_CALLBACK (demo_gui_search_changed), build_gvalue_array (2, - G_TYPE_OBJECT, gui, G_TYPE_OBJECT, search_ui)); - propbox = gtk_hbox_new (FALSE, 0); - adv_check = gtk_check_button_new (); - gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("stride:"), FALSE, - FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), stride_ui, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("overlap:"), FALSE, - FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), overlap_ui, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("search:"), FALSE, - FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), search_ui, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (propbox), adv_check, FALSE, FALSE, 2); - - toggle_advanced = - GTK_ACTION (gtk_toggle_action_new ("advanced", "Enable Parameters", - "Toggle advanced controls", 0)); - gtk_action_group_add_action_with_accel (action_group, toggle_advanced, - "<ctrl>a"); - gtk_action_set_accel_group (toggle_advanced, accel_group); - gtk_action_connect_accelerator (toggle_advanced); - gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_advanced), FALSE); - gtk_action_connect_proxy (toggle_advanced, adv_check); - g_signal_connect (G_OBJECT (toggle_advanced), "activate", - G_CALLBACK (demo_gui_do_toggle_advanced), build_gvalue_array (4, - G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui, G_TYPE_OBJECT, - overlap_ui, G_TYPE_OBJECT, search_ui)); - - toggle_disabled = - GTK_ACTION (gtk_toggle_action_new ("disabled", "Disable Scaletempo", - "Toggle disabling scaletempo", 0)); - gtk_action_group_add_action_with_accel (action_group, toggle_disabled, - "<ctrl>d"); - gtk_action_set_accel_group (toggle_disabled, accel_group); - gtk_action_connect_accelerator (toggle_disabled); - gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_disabled), FALSE); - disabled_check = gtk_check_button_new (); - gtk_action_connect_proxy (toggle_disabled, disabled_check); - g_signal_connect (G_OBJECT (toggle_disabled), "activate", - G_CALLBACK (demo_gui_do_toggle_disabled), build_gvalue_array (3, - G_TYPE_OBJECT, gui, G_TYPE_OBJECT, toggle_advanced, G_TYPE_OBJECT, - propbox)); - gtk_box_pack_start (GTK_BOX (toolbox), disabled_check, FALSE, FALSE, 2); - - - media_controls = gtk_hbox_new (FALSE, 0); - gtk_box_pack_start (GTK_BOX (media_controls), playlist_prev->button, FALSE, - FALSE, 2); - gtk_box_pack_start (GTK_BOX (media_controls), rewind_sm->button, FALSE, FALSE, - 2); - gtk_box_pack_start (GTK_BOX (media_controls), play->button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (media_controls), pause->button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (media_controls), forward_sm->button, FALSE, - FALSE, 2); - gtk_box_pack_start (GTK_BOX (media_controls), playlist_next->button, FALSE, - FALSE, 2); - - amount_played = gtk_label_new ("?:??:??"); - amount_to_play = gtk_label_new ("-?:??:??"); - gtk_label_set_width_chars (GTK_LABEL (amount_played), 8); - gtk_label_set_width_chars (GTK_LABEL (amount_to_play), 8); - gtk_misc_set_alignment (GTK_MISC (amount_played), 1, 1); - gtk_misc_set_alignment (GTK_MISC (amount_to_play), 0, 1); - seek_range = - gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 5.0, - 30.0, 0.00))); - gtk_range_set_update_policy (GTK_RANGE (seek_range), - GTK_UPDATE_DISCONTINUOUS); - seek_bar = gtk_hbox_new (FALSE, 0); - gtk_box_pack_start (GTK_BOX (seek_bar), amount_played, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (seek_bar), seek_range, TRUE, TRUE, 2); - gtk_box_pack_start (GTK_BOX (seek_bar), amount_to_play, FALSE, FALSE, 2); - g_signal_connect (G_OBJECT (seek_range), "format-value", - G_CALLBACK (demo_gui_seek_bar_format), gui); - g_signal_connect (G_OBJECT (seek_range), "change-value", - G_CALLBACK (demo_gui_seek_bar_change), gui); - - status_bar = gtk_statusbar_new (); - - /* Menubar */ - file_menu = gtk_menu_new (); - gtk_menu_set_accel_group (GTK_MENU (file_menu), accel_group); - gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), - gtk_action_create_menu_item (open_file->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), - gtk_action_create_menu_item (about->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), - gtk_action_create_menu_item (quit->action)); - file_menu_item = gtk_menu_item_new_with_mnemonic ("_File"); - gtk_menu_item_set_submenu (GTK_MENU_ITEM (file_menu_item), file_menu); - - media_menu = gtk_menu_new (); - gtk_menu_set_accel_group (GTK_MENU (media_menu), accel_group); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (rewind_lg->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (rewind_sm->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (forward_sm->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (forward_lg->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (play->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (pause->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (play_pause->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (playlist_prev->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), - gtk_action_create_menu_item (playlist_next->action)); - media_menu_item = gtk_menu_item_new_with_mnemonic ("_Media"); - gtk_menu_item_set_submenu (GTK_MENU_ITEM (media_menu_item), media_menu); - - demo_menu = gtk_menu_new (); - gtk_menu_set_accel_group (GTK_MENU (demo_menu), accel_group); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (faster_lg->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (faster_sm->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (slower_sm->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (slower_lg->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (normal->action)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (toggle_disabled)); - gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), - gtk_action_create_menu_item (toggle_advanced)); - demo_menu_item = gtk_menu_item_new_with_mnemonic ("_Scaletempo"); - gtk_menu_item_set_submenu (GTK_MENU_ITEM (demo_menu_item), demo_menu); - - menu_bar = gtk_menu_bar_new (); - gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), file_menu_item); - gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), media_menu_item); - gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), demo_menu_item); - - /* Toplevel Window */ - gtk_window_set_title (GTK_WINDOW (window), "Scaletempo Demo"); - toplevel_box = gtk_vbox_new (FALSE, 0); - gtk_container_set_border_width (GTK_CONTAINER (toplevel_box), 3); - gtk_container_add (GTK_CONTAINER (window), toplevel_box); - gtk_box_pack_start (GTK_BOX (toplevel_box), menu_bar, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toplevel_box), media_controls, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toplevel_box), toolbox, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toplevel_box), propbox, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toplevel_box), seek_bar, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (toplevel_box), status_bar, FALSE, FALSE, 2); - - priv->window = window; - priv->rate_entry = GTK_ENTRY (rate_entry); - priv->status_bar = GTK_STATUSBAR (status_bar); - priv->seek_range = GTK_RANGE (seek_range); - priv->amount_played = GTK_LABEL (amount_played); - priv->amount_to_play = GTK_LABEL (amount_to_play); - priv->play_action = GTK_ACTION (play->action); - priv->pause_action = GTK_ACTION (pause->action); - priv->open_file = GTK_ACTION (open_file->action); - priv->playlist_next = GTK_ACTION (playlist_next->action); - - gtk_action_set_sensitive (priv->pause_action, FALSE); - gtk_action_set_visible (priv->pause_action, FALSE); - - gtk_widget_show_all (window); - gtk_widget_grab_focus (seek_range); - gtk_action_activate (priv->playlist_next); - status_bar_printf (GTK_STATUSBAR (status_bar), 5, - "Welcome to the Scaletempo demo."); - - if (!g_thread_create ((GThreadFunc) gtk_main, NULL, FALSE, &error)) { - g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, error->message); - } -} - - -/* Method wrappers */ -void -demo_gui_set_player (DemoGui * gui, DemoPlayer * player) -{ - g_return_if_fail (DEMO_IS_GUI (gui)); - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_GUI_GET_CLASS (gui)->set_player (gui, player); -} - -void -demo_gui_set_playlist (DemoGui * gui, GList * uris) -{ - g_return_if_fail (DEMO_IS_GUI (gui)); - - DEMO_GUI_GET_CLASS (gui)->set_playlist (gui, uris); -} - -void -demo_gui_show (DemoGui * gui) -{ - g_return_if_fail (DEMO_IS_GUI (gui)); - - DEMO_GUI_GET_CLASS (gui)->show (gui); -} - - - -/* GObject overrides */ -static void -demo_gui_get_property (GObject * object, - guint property_id, GValue * value, GParamSpec * pspec) -{ - //DemoGui *gui = DEMO_GUI (object); - switch (property_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - break; - } -} - -static void -demo_gui_set_property (GObject * object, - guint property_id, const GValue * value, GParamSpec * pspec) -{ - //DemoGui *gui = DEMO_GUI (object); - switch (property_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - break; - } -} - - -/* GTypeInfo functions */ -static void -demo_gui_init (GTypeInstance * instance, gpointer klass) -{ - DemoGui *gui = (DemoGui *) instance; - - DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); - priv->player = NULL; - priv->uris = NULL; - priv->now_playing = NULL; - priv->is_playing = FALSE; - priv->window = NULL; - priv->rate_entry = NULL; - priv->position_updater_id = 0; - priv->seek_range = NULL; - priv->amount_played = NULL; - priv->amount_to_play = NULL; -} - -static void -demo_gui_class_init (gpointer klass, gpointer class_data) -{ - DemoGuiClass *gui_class = (DemoGuiClass *) klass; - GObjectClass *as_object_class = G_OBJECT_CLASS (klass); - GType type; - - g_type_class_add_private (klass, sizeof (DemoGuiPrivate)); - - /* DemiPlayer */ - gui_class->set_player = demo_gui_set_player_func; - gui_class->set_playlist = demo_gui_set_playlist_func; - gui_class->show = demo_gui_show_func; - - /* GObject */ - as_object_class->get_property = demo_gui_get_property; - as_object_class->set_property = demo_gui_set_property; - - /* Properties */ - - /* Signals */ - type = G_TYPE_FROM_CLASS (klass); - demo_gui_signals[SIGNAL_ERROR] = g_signal_new ("error", type, - G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); - - demo_gui_signals[SIGNAL_QUITING] = g_signal_new ("quiting", type, - G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, NULL); -} - -GType -demo_gui_get_type (void) -{ - static GType type = 0; - if (G_UNLIKELY (type == 0)) { - static const GTypeInfo info = { - sizeof /* Class */ (DemoGuiClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) demo_gui_class_init, - (GClassFinalizeFunc) NULL, - (gconstpointer) NULL, /* class_data */ - sizeof /* Instance */ (DemoGui), - /* n_preallocs */ 0, - (GInstanceInitFunc) demo_gui_init, - (const GTypeValueTable *) NULL - }; - type = g_type_register_static (G_TYPE_OBJECT, "DemoGui", &info, 0); - } - return type; -} diff --git a/examples/scaletempo/demo-gui.h b/examples/scaletempo/demo-gui.h deleted file mode 100644 index b447d0d8..00000000 --- a/examples/scaletempo/demo-gui.h +++ /dev/null @@ -1,60 +0,0 @@ -/* demo-gui.h - * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __DEMO_GUI_H_INCLUDED_ -#define __DEMO_GUI_H_INCLUDED_ - -#include <glib-object.h> -#include "demo-player.h" - -G_BEGIN_DECLS - -#define DEMO_TYPE_GUI (demo_gui_get_type()) -#define DEMO_GUI(o) (G_TYPE_CHECK_INSTANCE_CAST((o), DEMO_TYPE_GUI, DemoGui)) -#define DEMO_IS_GUI(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), DEMO_TYPE_GUI)) -#define DEMO_GUI_TYPE(o) (G_TYPE_FROM_INSTANCE (o)) -#define DEMO_GUI_TYPE_NAME(o) (g_type_name (DEMO_GUI_GUI (o))) - -#define DEMO_GUI_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), DEMO_TYPE_GUI, DemoGuiClass)) -#define DEMO_IS_GUI_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), DEMO_TYPE_GUI)) -#define DEMO_GUI_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), DEMO_TYPE_GUI, DemoGuiClass)) - -typedef struct _DemoGui DemoGui; -typedef struct _DemoGuiClass DemoGuiClass; - -struct _DemoGui -{ - GObject parent; -}; - -struct _DemoGuiClass -{ - GObjectClass parent; - void (*set_player) (DemoGui *gui, DemoPlayer *player); - void (*set_playlist) (DemoGui *gui, GList *uris); - void (*show) (DemoGui *gui); -}; - -GType demo_gui_get_type (void); - -void demo_gui_set_player (DemoGui *gui, DemoPlayer *player); -void demo_gui_set_playlist (DemoGui *gui, GList *uris); -void demo_gui_show (DemoGui *gui); - -G_END_DECLS - -#endif /* __DEMO_GUI_H_INCLUDED_ */ diff --git a/examples/scaletempo/demo-main.c b/examples/scaletempo/demo-main.c deleted file mode 100644 index 0902d7b2..00000000 --- a/examples/scaletempo/demo-main.c +++ /dev/null @@ -1,95 +0,0 @@ -/* main.c - * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "demo-player.h" -#include "demo-gui.h" - -extern GOptionGroup *gtk_get_option_group (gboolean); -extern GOptionGroup *gst_init_get_option_group (void); - -static void -handle_error_message (DemoPlayer * player, const gchar * msg, gpointer data) -{ - const gchar *format = (const gchar *) data; - g_print (format, msg); -} - -static void -handle_quit (gpointer source, gpointer data) -{ - g_main_loop_quit ((GMainLoop *) data); -} - - -int -main (int argc, char *argv[]) -{ - DemoGui *gui; - DemoPlayer *player; - gchar **uris = NULL; - GOptionContext *ctx; - GError *err = NULL; - GMainLoop *loop; - - const GOptionEntry entries[] = { - {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &uris, - "Special option that collects any remaining arguments for us"}, - {NULL,} - }; - - if (!g_thread_supported ()) - g_thread_init (NULL); - - ctx = g_option_context_new ("uri ..."); - g_option_context_add_group (ctx, gst_init_get_option_group ()); - g_option_context_add_group (ctx, gtk_get_option_group (FALSE)); - g_option_context_add_main_entries (ctx, entries, NULL); - if (!g_option_context_parse (ctx, &argc, &argv, &err)) { - g_print ("Error initializing: %s\n", err->message); - g_error_free (err); - return -1; - } - g_option_context_free (ctx); - - gui = g_object_new (DEMO_TYPE_GUI, NULL); - player = g_object_new (DEMO_TYPE_PLAYER, NULL); - g_signal_connect (player, "error", G_CALLBACK (handle_error_message), - "PLAYER ERROR: %s\n"); - g_signal_connect (gui, "error", G_CALLBACK (handle_error_message), - "GUI ERROR: %s\n"); - demo_gui_set_player (gui, player); - - loop = g_main_loop_new (NULL, FALSE); - g_signal_connect (gui, "quiting", G_CALLBACK (handle_quit), loop); - - if (uris != NULL) { - int i, num = g_strv_length (uris); - GList *uri_list = NULL; - for (i = 0; i < num; i++) { - uri_list = g_list_append (uri_list, uris[i]); - } - demo_gui_set_playlist (gui, uri_list); - } - demo_gui_show (gui); - g_main_loop_run (loop); - - return 0; -} diff --git a/examples/scaletempo/demo-player.c b/examples/scaletempo/demo-player.c deleted file mode 100644 index 3ed4b718..00000000 --- a/examples/scaletempo/demo-player.c +++ /dev/null @@ -1,756 +0,0 @@ -/* demo-player.c - * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "demo-player.h" -#include "gst/gst.h" - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "demo-player" - -enum -{ - SIGNAL_ERROR, - SIGNAL_RATE_CHANGE, - SIGNAL_PLAYING_STARTED, - SIGNAL_PLAYING_PAUSED, - SIGNAL_PLAYING_ENDED, - LAST_SIGNAL -}; -static guint demo_player_signals[LAST_SIGNAL] = { 0 }; - -enum -{ - PROP_0, - PROP_RATE, - PROP_STRIDE, - PROP_OVERLAP, - PROP_SEARCH, - PROP_DISABLED -}; - -typedef struct _DemoPlayerPrivate -{ - gdouble rate; - GstElement *scaletempo; - GstElement *pipeline; - gboolean is_disabled; - GstElement *scaletempo_line; - GstElement *scalerate_line; - gboolean ignore_state_change; -} DemoPlayerPrivate; - -#define DEMO_PLAYER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEMO_TYPE_PLAYER, DemoPlayerPrivate)) - - -static gboolean -no_pipeline (DemoPlayer * player) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - if (!priv->pipeline) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "No media loaded"); - return TRUE; - } - return FALSE; -} - -static gboolean -demo_player_event_listener (GstElement * host, GstEvent * event, gpointer data) -{ - DemoPlayer *player = DEMO_PLAYER (data); - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) { - gdouble rate, applied_rate; - gdouble new_rate; - - gst_event_parse_new_segment_full (event, NULL, &rate, &applied_rate, NULL, - NULL, NULL, NULL); - new_rate = rate * applied_rate; - if (priv->rate != new_rate) { - priv->rate = new_rate; - g_signal_emit (player, demo_player_signals[SIGNAL_RATE_CHANGE], 0, - new_rate); - } - } - - return TRUE; -} - -static void -demo_player_state_changed_cb (GstBus * bus, GstMessage * message, gpointer data) -{ - DemoPlayer *player = DEMO_PLAYER (data); - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - GstState old, new, pending; - - if (GST_ELEMENT (GST_MESSAGE_SRC (message)) != priv->pipeline) - return; - - gst_message_parse_state_changed (message, &old, &new, &pending); - - if (pending == GST_STATE_VOID_PENDING) { - if (priv->ignore_state_change) { - priv->ignore_state_change = FALSE; - } else if (new == GST_STATE_PAUSED) { - g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_PAUSED], 0); - } else if (new == GST_STATE_PLAYING) { - g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_STARTED], 0); - } - } -} - -static void -demo_player_eos_cb (GstBus * bus, GstMessage * message, gpointer data) -{ - DemoPlayer *player = DEMO_PLAYER (data); - g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_ENDED], 0); -} - -#define MAKE_ELEMENT(line, var, type, name) \ - if ( !(var = gst_element_factory_make (type, name) ) ) { \ - g_print ("element could not be created: %s/%s\n", type, name); \ - return; \ - } \ - if (line) gst_bin_add (GST_BIN (line), var); - -#define LINK_ELEMENTS(src, sink) \ - if (!gst_element_link (src, sink)) { \ - g_warning ("Failed to link elements: %s -> %s", \ - GST_ELEMENT_NAME (src), GST_ELEMENT_NAME (sink) ); \ - return; \ - } - -static void -demo_player_build_pipeline (DemoPlayer * player) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - GstElement *filter, *playbin, *vsink, *audioline, *format, *resample, *asink; - GstPlugin *gconf; - GstBus *bus; - gboolean has_gconf; - const gchar *audiosink_name; - GstPad *ghostpad; - - priv->pipeline = NULL; - if (!priv->scaletempo) { - return; - } - - filter = priv->scaletempo; - - MAKE_ELEMENT (NULL, playbin, "playbin", "playbin"); - - gconf = gst_default_registry_find_plugin ("gconfelements"); - has_gconf = (gconf != NULL); - gst_object_unref (gconf); - - if (has_gconf) { - MAKE_ELEMENT (NULL, vsink, "gconfvideosink", "vsink"); - g_object_set (G_OBJECT (playbin), "video_sink", vsink, NULL); - } - audiosink_name = has_gconf ? "gconfaudiosink" : "autoaudiosink"; - - audioline = gst_bin_new ("audioline"); - gst_bin_add (GST_BIN (audioline), filter); - MAKE_ELEMENT (audioline, format, "audioconvert", "format"); - MAKE_ELEMENT (audioline, resample, "audioresample", "resample"); - MAKE_ELEMENT (audioline, asink, audiosink_name, "audio_sink"); - LINK_ELEMENTS (filter, format); - LINK_ELEMENTS (format, resample); - LINK_ELEMENTS (resample, asink); - - gst_pad_add_event_probe (gst_element_get_static_pad (asink, "sink"), - G_CALLBACK (demo_player_event_listener), player); - - ghostpad = gst_element_get_static_pad (filter, "sink"); - gst_element_add_pad (audioline, gst_ghost_pad_new ("sink", ghostpad)); - gst_object_unref (ghostpad); - g_object_set (G_OBJECT (playbin), "audio-sink", audioline, NULL); - - bus = gst_pipeline_get_bus (GST_PIPELINE (playbin)); - gst_bus_add_signal_watch (bus); - g_signal_connect (bus, "message::state-changed", - G_CALLBACK (demo_player_state_changed_cb), player); - g_signal_connect (bus, "message::eos", G_CALLBACK (demo_player_eos_cb), - player); - gst_object_unref (bus); - - priv->scaletempo = filter; - priv->pipeline = playbin; - - priv->scaletempo_line = audioline; - MAKE_ELEMENT (NULL, priv->scalerate_line, "gconfaudiosink", - "scaling_audio_sink"); - gst_pad_add_event_probe (gst_element_get_static_pad (priv->scalerate_line, - "sink"), G_CALLBACK (demo_player_event_listener), player); - g_object_ref (priv->scaletempo_line); - g_object_ref (priv->scalerate_line); -} - - -/* method implementations */ -static void -_set_rate (DemoPlayer * player, gdouble new_rate, gint second) -{ - DemoPlayerPrivate *priv; - gint64 pos; - GstSeekType seek_type; - - - if (new_rate == 0) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Cannot set playback to zero. Pausing instead."); - demo_player_pause (player); - } - - priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (second < 0) { - GstFormat fmt = GST_FORMAT_TIME; - seek_type = GST_SEEK_TYPE_SET; - if (!gst_element_query_position (priv->pipeline, &fmt, &pos)) { - // This should be the default but too many upstream elements seek anyway - pos = GST_CLOCK_TIME_NONE; - seek_type = GST_SEEK_TYPE_NONE; - } - } else { - seek_type = GST_SEEK_TYPE_SET; - pos = second * GST_SECOND; - } - - if (!gst_element_seek (priv->pipeline, new_rate, - GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, - seek_type, pos, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Unable to change playback rate"); - } else { - priv->ignore_state_change = TRUE; - } -} - -static void -demo_player_scale_rate_func (DemoPlayer * player, gdouble scale) -{ - DemoPlayerPrivate *priv; - if (no_pipeline (player)) - return; - - priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (scale != 1.0) { - g_message ("Scaling Rate by: %3.2f", scale); - _set_rate (player, priv->rate * scale, -1); - } -} - -static void -demo_player_set_rate_func (DemoPlayer * player, gdouble new_rate) -{ - DemoPlayerPrivate *priv; - - if (no_pipeline (player)) - return; - - priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (priv->rate != new_rate) { - g_message ("Setting Rate to: %3.2f", new_rate); - _set_rate (player, new_rate, -1); - } -} - -static gboolean -_set_state_and_wait (DemoPlayer * player, - GstState new_state, GstClockTime timeout, const gchar * error_msg) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - GstStateChangeReturn ret = gst_element_set_state (priv->pipeline, new_state); - if (ret == GST_STATE_CHANGE_ASYNC) { - ret = gst_element_get_state (priv->pipeline, NULL, NULL, timeout); - } - if (ret != GST_STATE_CHANGE_SUCCESS) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, error_msg); - return FALSE; - } - return TRUE; -} - -static void -demo_player_load_uri_func (DemoPlayer * player, gchar * uri) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - GstState end_state; - gdouble rate; - - if (!priv->pipeline) { - demo_player_build_pipeline (player); - if (!priv->pipeline) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Could not build player"); - return; - } - } - if (!g_str_has_prefix (uri, "file:///")) { - GError *err = NULL; - if (g_path_is_absolute (uri)) { - uri = g_filename_to_uri (uri, NULL, &err); - } else { - gchar *curdir = g_get_current_dir (); - gchar *absolute_path = g_strconcat (curdir, G_DIR_SEPARATOR_S, uri, NULL); - uri = g_filename_to_uri (absolute_path, NULL, &err); - g_free (absolute_path); - g_free (curdir); - } - if (err) { - gchar *msg = g_strconcat ("Could not load uri: ", err->message, NULL); - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, msg); - return; - } - } - - g_message ("Loading URI: %s", uri); - - end_state = - (GST_STATE (priv->pipeline) == - GST_STATE_PLAYING) ? GST_STATE_PLAYING : GST_STATE_PAUSED; - if (!_set_state_and_wait (player, GST_STATE_NULL, 10 * GST_SECOND, - "Unable to load uri")) - return; - - g_object_set (G_OBJECT (priv->pipeline), "uri", uri, NULL); - - rate = priv->rate; - if (rate && rate != 1.0) { - _set_state_and_wait (player, GST_STATE_PAUSED, 10 * GST_SECOND, - "Unable to keep playback rate"); - _set_rate (player, rate, -1); - } - - gst_element_set_state (priv->pipeline, end_state); -} - -static void -demo_player_play_func (DemoPlayer * player) -{ - DemoPlayerPrivate *priv; - GstStateChangeReturn ret; - - if (no_pipeline (player)) - return; - - priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (GST_STATE (priv->pipeline) == GST_STATE_PLAYING) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Already playing"); - return; - } - - g_debug ("Starting to Play"); - ret = gst_element_set_state (priv->pipeline, GST_STATE_PLAYING); - if (ret == GST_STATE_CHANGE_FAILURE) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Unable to start playback"); - return; - } -} - -static void -demo_player_pause_func (DemoPlayer * player) -{ - DemoPlayerPrivate *priv; - GstStateChangeReturn ret; - - if (no_pipeline (player)) - return; - - priv = DEMO_PLAYER_GET_PRIVATE (player); - - if (GST_STATE (priv->pipeline) == GST_STATE_PAUSED) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Already paused"); - return; - } - - g_debug ("Starting to Pause"); - ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED); - if (ret == GST_STATE_CHANGE_FAILURE) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Unable to pause playback"); - return; - } -} - -static void -_seek_to (DemoPlayer * player, gint new_second) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - if (!gst_element_seek (priv->pipeline, priv->rate, - GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, - GST_SEEK_TYPE_SET, new_second * GST_SECOND, - GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, "Seek failed"); - return; - } - - priv->ignore_state_change = TRUE; -} - -static void -demo_player_seek_by_func (DemoPlayer * player, gint seconds) -{ - gint pos; - - if (no_pipeline (player)) - return; - - g_debug ("Seeking by: %i", seconds); - - pos = demo_player_get_position (player); - if (pos < 0) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Seek-by failed: could not determine position"); - return; - } - - _seek_to (player, MAX (0, pos + seconds)); -} - -static void -demo_player_seek_to_func (DemoPlayer * player, gint second) -{ - gint new_second; - - if (no_pipeline (player)) - return; - - g_debug ("Seeking to: %i", second); - - if (second < 0) { - gint dur = demo_player_get_duration (player); - if (dur < 0) { - g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, - "Seek-to failed: could not determine duration"); - return; - } - new_second = MAX (0, dur + second); - } else { - new_second = second; - } - - _seek_to (player, new_second); -} - -static gint -demo_player_get_position_func (DemoPlayer * player) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - gint64 pos; - GstFormat fmt = GST_FORMAT_TIME; - - if (!priv->pipeline) - return -1; - - if (!gst_element_query_position (priv->pipeline, &fmt, &pos) || pos < 0) { - return -1; - } - - return (gint) (pos / GST_SECOND); -} - -static gint -demo_player_get_duration_func (DemoPlayer * player) -{ - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - gint64 dur; - GstFormat fmt = GST_FORMAT_TIME; - - if (!priv->pipeline) - return -1; - - if (!gst_element_query_duration (priv->pipeline, &fmt, &dur) || dur < 0) { - return -1; - } - - return (gint) (dur / GST_SECOND); -} - - -/* Method wrappers */ -void -demo_player_scale_rate (DemoPlayer * player, gdouble scale) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->scale_rate (player, scale); -} - -void -demo_player_set_rate (DemoPlayer * player, gdouble new_rate) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->set_rate (player, new_rate); -} - -void -demo_player_load_uri (DemoPlayer * player, gchar * uri) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->load_uri (player, uri); -} - -void -demo_player_play (DemoPlayer * player) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->play (player); -} - -void -demo_player_pause (DemoPlayer * player) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->pause (player); -} - -void -demo_player_seek_by (DemoPlayer * player, gint seconds) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->seek_by (player, seconds); -} - -void -demo_player_seek_to (DemoPlayer * player, gint second) -{ - g_return_if_fail (DEMO_IS_PLAYER (player)); - - DEMO_PLAYER_GET_CLASS (player)->seek_to (player, second); -} - -gint -demo_player_get_position (DemoPlayer * player) -{ - g_return_val_if_fail (DEMO_IS_PLAYER (player), -1); - - return DEMO_PLAYER_GET_CLASS (player)->get_position (player); -} - -gint -demo_player_get_duration (DemoPlayer * player) -{ - g_return_val_if_fail (DEMO_IS_PLAYER (player), -1); - - return DEMO_PLAYER_GET_CLASS (player)->get_duration (player); -} - -/* GObject overrides */ -static void -demo_player_get_property (GObject * object, - guint property_id, GValue * value, GParamSpec * pspec) -{ - DemoPlayer *player = DEMO_PLAYER (object); - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - switch (property_id) { - case PROP_RATE: - g_value_set_double (value, priv->rate); - break; - case PROP_STRIDE: - g_object_get_property (G_OBJECT (priv->scaletempo), "stride", value); - break; - case PROP_OVERLAP: - g_object_get_property (G_OBJECT (priv->scaletempo), "overlap", value); - break; - case PROP_SEARCH: - g_object_get_property (G_OBJECT (priv->scaletempo), "search", value); - break; - case PROP_DISABLED: - g_value_set_boolean (value, priv->is_disabled); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - break; - } -} - -static void -demo_player_set_property (GObject * object, - guint property_id, const GValue * value, GParamSpec * pspec) -{ - DemoPlayer *player = DEMO_PLAYER (object); - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - switch (property_id) { - case PROP_STRIDE: - g_object_set_property (G_OBJECT (priv->scaletempo), "stride", value); - break; - case PROP_OVERLAP: - g_object_set_property (G_OBJECT (priv->scaletempo), "overlap", value); - break; - case PROP_SEARCH: - g_object_set_property (G_OBJECT (priv->scaletempo), "search", value); - break; - case PROP_DISABLED:{ - gdouble rate = priv->rate; - gint pos = demo_player_get_position (player); - GstState end_state; - GstElement *new_sink; - - priv->is_disabled = g_value_get_boolean (value); - - g_debug ("Scaletempo: %s", priv->is_disabled ? "disabled" : "enabled"); - - end_state = - (GST_STATE (priv->pipeline) == - GST_STATE_PLAYING) ? GST_STATE_PLAYING : GST_STATE_PAUSED; - if (!_set_state_and_wait (player, GST_STATE_NULL, 10 * GST_SECOND, - "Unable to disable")) - break; - - new_sink = - (priv->is_disabled) ? priv->scalerate_line : priv->scaletempo_line; - g_object_set (G_OBJECT (priv->pipeline), "audio-sink", new_sink, NULL); - - if (pos > 0 || (rate && rate != 1.0)) { - _set_state_and_wait (player, GST_STATE_PAUSED, 10 * GST_SECOND, - "Unable to keep playback position and rate"); - _set_rate (player, rate, pos); - } - - gst_element_set_state (priv->pipeline, end_state); - break; - } - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - break; - } -} - - -/* GTypeInfo functions */ -static void -demo_player_init (GTypeInstance * instance, gpointer klass) -{ - DemoPlayer *player = (DemoPlayer *) instance; - DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); - priv->scaletempo = gst_element_factory_make ("scaletempo", "scaletempo"); - if (!priv->scaletempo) { - g_error ("Unable to make scaletempo element."); - } - priv->rate = 1.0; - priv->pipeline = NULL; - priv->ignore_state_change = FALSE; - priv->is_disabled = FALSE; -} - -static void -demo_player_class_init (gpointer klass, gpointer class_data) -{ - DemoPlayerClass *player_class = (DemoPlayerClass *) klass; - GObjectClass *as_object_class = G_OBJECT_CLASS (klass); - GType type; - - g_type_class_add_private (klass, sizeof (DemoPlayerPrivate)); - - /* DemoPlayer */ - player_class->scale_rate = demo_player_scale_rate_func; - player_class->set_rate = demo_player_set_rate_func; - player_class->load_uri = demo_player_load_uri_func; - player_class->play = demo_player_play_func; - player_class->pause = demo_player_pause_func; - player_class->seek_by = demo_player_seek_by_func; - player_class->seek_to = demo_player_seek_to_func; - player_class->get_position = demo_player_get_position_func; - player_class->get_duration = demo_player_get_duration_func; - - /* GObject */ - as_object_class->get_property = demo_player_get_property; - as_object_class->set_property = demo_player_set_property; - - /* Properties */ - g_object_class_install_property (as_object_class, PROP_RATE, - g_param_spec_double ("rate", "Rate", "Current playback rate", - -128, 128, 1.0, G_PARAM_READABLE)); - - g_object_class_install_property (as_object_class, PROP_STRIDE, - g_param_spec_uint ("stride", "Stride Length", - "Length in milliseconds to output each stride", 1, 10000, 60, - G_PARAM_READWRITE)); - - g_object_class_install_property (as_object_class, PROP_OVERLAP, - g_param_spec_double ("overlap", "Overlap Length", - "Percentage of stride to overlap", 0, 1, .2, G_PARAM_READWRITE)); - - g_object_class_install_property (as_object_class, PROP_SEARCH, - g_param_spec_uint ("search", "Search Length", - "Length in milliseconds to search for best overlap position", 0, - 10000, 14, G_PARAM_READWRITE)); - - g_object_class_install_property (as_object_class, PROP_DISABLED, - g_param_spec_boolean ("disabled", "disable scaletempo", - "Disable scaletempo and scale bothe tempo and pitch", FALSE, - G_PARAM_READWRITE)); - - /* Signals */ - type = G_TYPE_FROM_CLASS (klass); - demo_player_signals[SIGNAL_ERROR] = g_signal_new ("error", type, - G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); - - demo_player_signals[SIGNAL_RATE_CHANGE] = g_signal_new ("rate-changed", type, - G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__DOUBLE, G_TYPE_NONE, 1, G_TYPE_DOUBLE); - - demo_player_signals[SIGNAL_PLAYING_STARTED] = - g_signal_new ("playing-started", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - demo_player_signals[SIGNAL_PLAYING_PAUSED] = - g_signal_new ("playing-paused", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - demo_player_signals[SIGNAL_PLAYING_ENDED] = - g_signal_new ("playing-ended", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); -} - -GType -demo_player_get_type (void) -{ - static GType type = 0; - if (G_UNLIKELY (type == 0)) { - static const GTypeInfo info = { - sizeof /* Class */ (DemoPlayerClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) demo_player_class_init, - (GClassFinalizeFunc) NULL, - (gconstpointer) NULL, /* class_data */ - sizeof /* Instance */ (DemoPlayer), - /* n_preallocs */ 0, - (GInstanceInitFunc) demo_player_init, - (const GTypeValueTable *) NULL - }; - type = g_type_register_static (G_TYPE_OBJECT, "DemoPlayer", &info, 0); - } - return type; -} diff --git a/examples/scaletempo/demo-player.h b/examples/scaletempo/demo-player.h deleted file mode 100644 index ff521fc7..00000000 --- a/examples/scaletempo/demo-player.h +++ /dev/null @@ -1,71 +0,0 @@ -/* gui.h - * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __DEMO_PLAYER_H_INCLUDED_ -#define __DEMO_PLAYER_H_INCLUDED_ - -#include <glib-object.h> - -G_BEGIN_DECLS - -#define DEMO_TYPE_PLAYER (demo_player_get_type()) -#define DEMO_PLAYER(o) (G_TYPE_CHECK_INSTANCE_CAST((o), DEMO_TYPE_PLAYER, DemoPlayer)) -#define DEMO_IS_PLAYER(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), DEMO_TYPE_PLAYER)) -#define DEMO_PLAYER_TYPE(o) (G_TYPE_FROM_INSTANCE (o)) -#define DEMO_PLAYER_TYPE_NAME(o) (g_type_name (DEMO_PLAYER_TYPE (o))) - -#define DEMO_PLAYER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), DEMO_TYPE_PLAYER, DemoPlayerClass)) -#define DEMO_IS_PLAYER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), DEMO_TYPE_PLAYER)) -#define DEMO_PLAYER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), DEMO_TYPE_PLAYER, DemoPlayerClass)) - -typedef struct _DemoPlayer DemoPlayer; -typedef struct _DemoPlayerClass DemoPlayerClass; - -struct _DemoPlayer -{ - GObject parent; -}; - -struct _DemoPlayerClass -{ - GObjectClass parent; - void (*scale_rate) (DemoPlayer *player, gdouble scale); - void (*set_rate) (DemoPlayer *player, gdouble new_rate); - void (*load_uri) (DemoPlayer *player, gchar *uri); - void (*play) (DemoPlayer *player); - void (*pause) (DemoPlayer *player); - void (*seek_by) (DemoPlayer *player, gint seconds); - void (*seek_to) (DemoPlayer *player, gint seconds); - gint (*get_position) (DemoPlayer *player); - gint (*get_duration) (DemoPlayer *player); -}; - -GType demo_player_get_type (void); - -void demo_player_scale_rate (DemoPlayer *player, gdouble scale); -void demo_player_set_rate (DemoPlayer *player, gdouble new_rate); -void demo_player_load_uri (DemoPlayer *player, gchar *uri); -void demo_player_play (DemoPlayer *player); -void demo_player_pause (DemoPlayer *player); -void demo_player_seek_by (DemoPlayer *player, gint seconds); -void demo_player_seek_to (DemoPlayer *player, gint second); -gint demo_player_get_position (DemoPlayer *player); -gint demo_player_get_duration (DemoPlayer *player); - -G_END_DECLS - -#endif /* __DEMO_PLAYER_H_INCLUDED_ */ |