Kill GStreamer

1 files changed, 0 insertions, 651 deletions

diff --git a/gst-mixer/src/volume.c b/gst-mixer/src/volume.c
deleted file mode 100644
index 9a1aaac..0000000
--- a/gst-mixer/src/volume.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/* MATE Volume Control
- * Copyright (C) 2003-2004 Ronald Bultje <[email protected]>
- *
- * volume.c: representation of a track's volume channels
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#define _ISOC99_SOURCE
-
-#include <math.h>
-#include <glib/gi18n.h>
-#include <gdk/gdkx.h>
-#include <gtk/gtk.h>
-
-#include "volume.h"
-#include "button.h"
-
-G_DEFINE_TYPE (MateVolumeControlVolume, mate_volume_control_volume, GTK_TYPE_FIXED)
-
-
-static void	mate_volume_control_volume_class_init	(MateVolumeControlVolumeClass *klass);
-static void	mate_volume_control_volume_init	(MateVolumeControlVolume *el);
-static void	mate_volume_control_volume_dispose	(GObject   *object);
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-static void mate_volume_control_volume_get_preferred_width (GtkWidget *widget,
-							 gint *minimum_width,
-							 gint *natural_width);
-static void mate_volume_control_volume_get_preferred_height (GtkWidget *widget,
-							 gint *minimum_height,
-							 gint *natural_height);
-#else
-static void	mate_volume_control_volume_size_req	(GtkWidget *widget,
-							 GtkRequisition *req);
-#endif
-static void	mate_volume_control_volume_size_alloc	(GtkWidget *widget,
-							 GtkAllocation *alloc);
-#if GTK_CHECK_VERSION (3, 0, 0)
-static gboolean	mate_volume_control_volume_draw	(GtkWidget *widget,
-							 cairo_t *cr);
-#else
-static gboolean	mate_volume_control_volume_expose	(GtkWidget *widget,
-							 GdkEventExpose *expose);
-#endif
-
-static void	cb_volume_changed			(GtkAdjustment *adj,
-							 gpointer   data);
-static void	cb_lock_toggled				(GtkToggleButton *button,
-							 gpointer   data);
-
-static gboolean	cb_check				(gpointer   data);
-
-
-static void
-mate_volume_control_volume_class_init (MateVolumeControlVolumeClass *klass)
-{
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-  GtkWidgetClass *gtkwidget_class = GTK_WIDGET_CLASS (klass);
-
-  gobject_class->dispose = mate_volume_control_volume_dispose;
-  gtkwidget_class->size_allocate = mate_volume_control_volume_size_alloc;
-#if GTK_CHECK_VERSION (3, 0, 0)
-  gtkwidget_class->get_preferred_width = mate_volume_control_volume_get_preferred_width;
-  gtkwidget_class->get_preferred_height = mate_volume_control_volume_get_preferred_height;
-  gtkwidget_class->draw = mate_volume_control_volume_draw;
-#else
-  gtkwidget_class->size_request = mate_volume_control_volume_size_req;
-  gtkwidget_class->expose_event = mate_volume_control_volume_expose;
-#endif
-}
-
-static void
-mate_volume_control_volume_init (MateVolumeControlVolume *vol)
-{
-  #if GTK_CHECK_VERSION(2,18,0)
-  gtk_widget_set_has_window (GTK_WIDGET (vol), TRUE);
-  #else
-  gtk_fixed_set_has_window (GTK_FIXED (vol), TRUE);
-  #endif
-
-  vol->mixer = NULL;
-  vol->track = NULL;
-  vol->padding = 6;
-  vol->scales = NULL;
-  vol->button = NULL;
-  vol->locked = FALSE;
-  vol->id = 0;
-}
-
-static GtkWidget *
-get_scale (MateVolumeControlVolume *vol,
-	   gint num_chan,
-	   gint volume)
-{
-  GtkWidget *slider;
-#if GTK_CHECK_VERSION (3, 0, 0)
-  GtkAdjustment *adj;
-#else
-  GtkObject *adj;
-#endif
-  AtkObject *accessible;
-  gchar *accessible_name;
-
-  adj = gtk_adjustment_new (volume,
-		vol->track->min_volume, vol->track->max_volume,
-		(vol->track->max_volume - vol->track->min_volume) / 100.0,
-		(vol->track->max_volume - vol->track->min_volume) / 10.0, 0.0);
-  g_signal_connect (adj, "value_changed",
-		    G_CALLBACK (cb_volume_changed), vol);
-#if GTK_CHECK_VERSION (3, 0, 0)
-  slider = gtk_vscale_new (adj);
-#else
-  slider = gtk_vscale_new (GTK_ADJUSTMENT (adj));
-#endif
-  gtk_scale_set_draw_value (GTK_SCALE (slider), FALSE);
-  gtk_range_set_inverted (GTK_RANGE (slider), TRUE);
-
-  /* a11y */
-  accessible = gtk_widget_get_accessible (slider);
-  if (GTK_IS_ACCESSIBLE (accessible)) {
-    if (vol->track->num_channels == 1) {
-      accessible_name = g_strdup_printf (_("Track %s"),
-					 vol->track->label);
-    } else {
-      gchar *accessible_desc = g_strdup_printf (_("Channel %d of track %s"),
-						num_chan + 1,
-						vol->track->label);
-      accessible_name = g_strdup_printf (_("Track %s, channel %d"),
-					 vol->track->label, num_chan + 1);
-      atk_object_set_description (accessible, accessible_desc); 
-      g_free (accessible_desc);
-    }
-    atk_object_set_name (accessible, accessible_name);
-    g_free (accessible_name);
-  }
-
-  return slider;
-}
-
-static void
-get_button (MateVolumeControlVolume *vol,
-	    gint *volumes)
-{
-  AtkObject *accessible;
-  gchar *accessible_name, *msg;
-  gint n;
-
-  msg = g_strdup_printf (_("Lock channels for %s together"), vol->track->label);
-  vol->button = mate_volume_control_button_new ("chain.png",
-						 "chain-broken.png",
-						 msg);
-  g_free (msg);
-  g_signal_connect (vol->button, "clicked",
-		    G_CALLBACK (cb_lock_toggled), vol);
-  for (n = 1; n < vol->track->num_channels; n++) {
-    /* default, unlocked */
-    if (volumes[n] != volumes[0])
-      break;
-  }
-  mate_volume_control_button_set_active (MATE_VOLUME_CONTROL_BUTTON (vol->button),
-					  n == vol->track->num_channels);
-
-  /* a11y */
-  accessible = gtk_widget_get_accessible (vol->button);
-  if (GTK_IS_ACCESSIBLE (accessible)) {
-    accessible_name = g_strdup_printf (_("Track %s: lock channels together"),
-				       vol->track->label);
-    atk_object_set_name (accessible, accessible_name);
-    g_free (accessible_name);
-  }
-}
-
-GtkWidget *
-mate_volume_control_volume_new (GstMixer *mixer,
-				 GstMixerTrack *track,
-				 gint      padding)
-{
-  MateVolumeControlVolume *vol;
-  gint *volumes, n;
-  gchar *msg, *chan;
-  gboolean need_timeout = TRUE;
-
-  need_timeout = ((gst_mixer_get_mixer_flags (GST_MIXER (mixer)) &
-		   GST_MIXER_FLAG_AUTO_NOTIFICATIONS) == 0);
-
-  /* volume */
-  vol = g_object_new (MATE_VOLUME_CONTROL_TYPE_VOLUME, NULL);
-  gst_object_ref (GST_OBJECT (mixer));
-  vol->mixer = mixer;
-  vol->track = g_object_ref (G_OBJECT (track));
-  if (padding >= 0)
-    vol->padding = padding;
-
-  /* sliders */
-  volumes = g_new0 (gint, track->num_channels);
-  gst_mixer_get_volume (mixer, track, volumes);
-  for (n = 0; n < track->num_channels; n++) {
-    GtkWidget *slider;
-
-    /* we will reposition the widget once we're drawing up */
-    slider = get_scale (vol, n, volumes[n]);
-    gtk_fixed_put (GTK_FIXED (vol), slider, 0, 0);
-    gtk_widget_show (slider);
-    vol->scales = g_list_append (vol->scales, slider);
-
-    /* somewhat dirty hack that will suffice for now. 1 chan
-     * means mono, two means stereo (left/right) and > 2 means
-     * alsa, where channel order is front, rear, center, lfe,
-     * side. */
-    if (vol->track->num_channels == 1) {
-        chan = _("mono");
-    } else if (vol->track->num_channels == 2) {
-        chan = (n == 0) ? _("left") : _("right");
-    } else {
-        switch (n) {
-            case 0:  chan = _("front left"); break;
-            case 1:  chan = _("front right"); break;
-            case 2:  chan = _("rear left"); break;
-            case 3:  chan = _("rear right"); break;
-            case 4:  chan = _("front center"); break;
-            /* Translators: This is the name of a surround sound channel. It
-             * stands for "Low-Frequency Effects". If you're not sure that
-             * this has an established and different translation in your
-             * language, leave it unchanged. */
-            case 5:  chan = _("LFE"); break;
-            case 6:  chan = _("side left"); break;
-            case 7:  chan = _("side right"); break;
-            default: chan = _("unknown"); break;
-        }
-    }
-
-    /* Here, we can actually tell people that this
-     * is a slider that will change channel X. */
-    msg = g_strdup_printf (_("Volume of %s channel on %s"),
-            chan, vol->track->label);
-    gtk_widget_set_tooltip_text (slider, msg);
-    g_free (msg);
-  }
-
-  /* chainbutton */
-  get_button (vol, volumes);
-  if (track->num_channels > 1) {
-    gtk_fixed_put (GTK_FIXED (vol), vol->button, 0, 0);
-    gtk_widget_show (vol->button);
-  }
-
-  g_free (volumes);
-
-  /* GStreamer signals */
-  if (need_timeout)
-    vol->id = g_timeout_add (100, cb_check, vol);
-
-  return GTK_WIDGET (vol);
-}
-
-static void
-mate_volume_control_volume_dispose (GObject *object)
-{
-  MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (object);
-
-  if (vol->id != 0) {
-    g_source_remove (vol->id);
-    vol->id = 0;
-  }
-
-  if (vol->track) {
-    g_object_unref (G_OBJECT (vol->track));
-    vol->track = NULL;
-  }
-
-  if (vol->mixer) {
-    gst_object_unref (GST_OBJECT (vol->mixer));
-    vol->mixer = NULL;
-  }
-
-  if (vol->scales) {
-    g_list_free (vol->scales);
-    vol->scales = NULL;
-  }
-
-  G_OBJECT_CLASS (mate_volume_control_volume_parent_class)->dispose (object);
-}
-
-/*
- * Gtk/GDK virtual functions for size negotiation.
- */
-
-static void
-mate_volume_control_volume_size_req (GtkWidget *widget,
-				      GtkRequisition *req)
-{
-  MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
-  GtkRequisition but_req, scale_req;
-
-  /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
-  gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
-  gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
-  GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
-  GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
-							  &scale_req);
-#endif
-  if (scale_req.height < 100)
-    scale_req.height = 100;
-
-  /* calculate our own size from that */
-  req->width = scale_req.width * vol->track->num_channels +
-      vol->padding * (vol->track->num_channels - 1);
-  req->height = scale_req.height + but_req.height /*+ vol->padding*/;
-}
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-static void
-mate_volume_control_volume_get_preferred_width (GtkWidget *widget,
-					gint *minimum_width,
-					gint *natural_width)
-{
-  GtkRequisition req;
-  mate_volume_control_volume_size_req (widget, &req);
-  *minimum_width = *natural_width = req.width;
-}
-
-static void
-mate_volume_control_volume_get_preferred_height (GtkWidget *widget,
-					gint *minimum_height,
-					gint *natural_height)
-{
-  GtkRequisition req;
-  mate_volume_control_volume_size_req (widget, &req);
-  *minimum_height = *natural_height = req.height;
-}
-#endif
-
-static void
-mate_volume_control_volume_size_alloc (GtkWidget *widget,
-					GtkAllocation *alloc)
-{
-  MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
-  GtkRequisition but_req, scale_req;
-  GtkAllocation but_all, scale_all;
-  gint x_offset, but_deco_width, n = 0;
-  GList *scales;
-  GtkAllocation allocation;
-
-  /* loop? */
-  gtk_widget_get_allocation (widget, &allocation);
-  if (alloc->x == allocation.x &&
-      alloc->y == allocation.y &&
-      alloc->width == allocation.width &&
-      alloc->height == allocation.height)
-    return;
-
-  /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
-  gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
-  gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
-  GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
-  GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
-							  &scale_req);
-#endif
-
-  /* calculate */
-  x_offset = (alloc->width - ((vol->track->num_channels * scale_req.width) +
-      (vol->track->num_channels - 1) * vol->padding)) / 2;
-  scale_all.width = scale_req.width;
-  scale_all.height = alloc->height - but_req.height;
-  scale_all.y = 0;
-  but_deco_width = alloc->width - (2 * x_offset);
-  but_all.width = but_req.width;
-  but_all.height = but_req.height;
-  but_all.x = x_offset + (but_deco_width - but_req.width) / 2;
-  but_all.y = alloc->height - but_req.height;
-
-  /* tell sliders */
-  for (scales = vol->scales; scales != NULL; scales = scales->next, n++) {
-    scale_all.x = x_offset + n * (scale_req.width + vol->padding);
-    gtk_fixed_move (GTK_FIXED (vol), scales->data, scale_all.x, scale_all.y);
-    gtk_widget_set_size_request (scales->data, scale_all.width, scale_all.height);
-  }
-
-  /* tell button */
-  if (vol->track->num_channels > 1) {
-    gtk_fixed_move (GTK_FIXED (vol), vol->button, but_all.x, but_all.y);
-    gtk_widget_set_size_request (vol->button, but_all.width, but_all.height);
-  }
-
-  /* parent will resize window */
-  GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->size_allocate (widget, alloc);
-}
-
-static gboolean
-#if GTK_CHECK_VERSION (3, 0, 0)
-mate_volume_control_volume_draw (GtkWidget *widget,
-				    cairo_t *cr)
-#else
-mate_volume_control_volume_expose (GtkWidget *widget,
-				    GdkEventExpose *expose)
-#endif
-{
-  GtkAllocation allocation;
-  MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
-
-#if !GTK_CHECK_VERSION (3, 0, 0)
-  /* clear background */
-  gtk_widget_get_allocation (widget, &allocation);
-  gdk_window_clear_area (gtk_widget_get_window (widget), 0, 0,
-			 allocation.width,
-			 allocation.height);
-#endif
-
-  if (vol->track->num_channels > 1) {
-    gint x_offset, y_offset, height, width;
-    GtkRequisition scale_req, but_req;
-    GdkPoint points[3];
-    GtkStyle *style;
-    GtkStateType state;
-
-    /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
-    gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
-    gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
-    GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
-    GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
-							    &scale_req);
-#endif
-
-    /* calculate */
-    gtk_widget_get_allocation (widget, &allocation);
-    x_offset = (allocation.width -
-        ((vol->track->num_channels * scale_req.width) +
-        (vol->track->num_channels - 1) * vol->padding)) / 2;
-    y_offset = allocation.height - but_req.height;
-    width = allocation.width - (2 * x_offset + but_req.width);
-    height = but_req.height / 2;
-    points[0].y = y_offset + 3;
-    points[1].y = points[2].y = points[0].y + height - 3;
-
-    /* draw chainbutton decorations */
-    style = gtk_widget_get_style (widget);
-    state = gtk_widget_get_state (widget);
-
-    points[0].x = points[1].x = x_offset + 3;
-    points[2].x = points[0].x + width - 6;
-#if GTK_CHECK_VERSION (3, 0, 0)
-    cairo_move_to (cr, points[0].x, points[0].x);
-    cairo_line_to (cr, points[1].x, points[1].x);
-    cairo_move_to (cr, points[1].x, points[1].x);
-    cairo_line_to (cr, points[2].x, points[2].x);
-    cairo_move_to (cr, points[0].x, points[0].x);
-#else
-    gtk_paint_polygon (style, gtk_widget_get_window (widget),
-		       state,
-		       GTK_SHADOW_ETCHED_IN,
-		       &expose->area, widget, "hseparator",
-		       points, 3, FALSE);
-#endif
-
-    points[0].x = points[1].x = allocation.width - x_offset - 3;
-    points[2].x = points[0].x - width + 6;
-#if GTK_CHECK_VERSION (3, 0, 0)
-    cairo_move_to (cr, points[0].x, points[0].x);
-    cairo_line_to (cr, points[1].x, points[1].x);
-    cairo_move_to (cr, points[1].x, points[1].x);
-    cairo_line_to (cr, points[2].x, points[2].x);
-    cairo_move_to (cr, points[0].x, points[0].x);
-#else
-    gtk_paint_polygon (style, gtk_widget_get_window (widget),
-		       state,
-		       GTK_SHADOW_ETCHED_IN,
-		       &expose->area, widget, "hseparator",
-		       points, 3, FALSE);
-#endif
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-   cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
-   cairo_set_line_width (cr, 1.0);
-   cairo_set_source_rgb (cr, 0, 0, 0);
-   cairo_stroke (cr);
-#endif
-  }
-
-  /* take care of redrawing the kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
-  return GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->draw (widget, cr);
-#else
-  return GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->expose_event (widget, expose);
-#endif
-}
-
-/*
- * Signals handlers.
- */
-
-static void
-cb_volume_changed (GtkAdjustment *_adj,
-		   gpointer       data)
-{
-  MateVolumeControlVolume *vol = data;
-  gint *volumes, i = 0;
-  GList *scales;
-
-  if (vol->locked)
-    return;
-  vol->locked = TRUE;
-  volumes = g_new (gint, vol->track->num_channels);
-
-  for (scales = vol->scales; scales != NULL; scales = scales->next) {
-    GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
-    if (mate_volume_control_button_get_active (
-            MATE_VOLUME_CONTROL_BUTTON (vol->button))) {
-      gtk_adjustment_set_value (adj, gtk_adjustment_get_value (_adj));
-      volumes[i++] = rint (gtk_adjustment_get_value (_adj));
-    } else {
-      volumes[i++] = rint (gtk_adjustment_get_value (adj));
-    }
-  }
-
-  gst_mixer_set_volume (vol->mixer, vol->track, volumes);
-
-  g_free (volumes);
-  vol->locked = FALSE;
-}
-
-static void
-cb_lock_toggled (GtkToggleButton *button,
-		 gpointer         data)
-{
-  MateVolumeControlVolume *vol = data;
-
-  if (mate_volume_control_button_get_active (
-          MATE_VOLUME_CONTROL_BUTTON (vol->button))) {
-    /* get the mean value, and set it on the first adjustment.
-     * the cb_volume_changed () callback will take care of the
-     * rest. */
-    gint volume = 0, num = 0;
-    GList *scales;
-
-    for (scales = vol->scales ; scales != NULL; scales = scales->next) {
-      GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
-      num++;
-      volume += gtk_adjustment_get_value (adj);
-    }
-
-    /* safety check */
-    if (vol->scales != NULL) {
-      gtk_adjustment_set_value (gtk_range_get_adjustment (vol->scales->data),
-				volume / num);
-    }
-  }
-}
-
-/*
- * See if our volume is zero.
- */
-
-void
-mate_volume_control_volume_ask (MateVolumeControlVolume * vol,
-    gboolean *real_zero, gboolean *slider_zero)
-{
-  GList *scales;
-  gint *volumes, n, tot = 0;
-
-  volumes = g_new (gint, vol->track->num_channels);
-  gst_mixer_get_volume (vol->mixer, vol->track, volumes);
-  for (n = 0; n < vol->track->num_channels; n++)
-    tot += volumes[n];
-  g_free (volumes);
-  *real_zero = (tot == 0);
-
-  *slider_zero = TRUE;
-  for (n = 0, scales = vol->scales;
-       scales != NULL; scales = scales->next, n++) {
-    GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-                                                                                
-    if (rint (gtk_adjustment_get_value (adj)) != 0) {
-      *slider_zero = FALSE;
-      break;
-    }
-  }
-}
-
-
-void
-mate_volume_control_volume_update (MateVolumeControlVolume *vol)
-{
-  gint *volumes, n;
-  GList *scales;
-
-  /* don't do callbacks */
-  if (vol->locked)
-    return;
-
-  vol->locked = TRUE;
-
-  volumes = g_new (gint, vol->track->num_channels);
-  gst_mixer_get_volume (vol->mixer, vol->track, volumes);
-
-  /* did we change? */
-  for (n = 0, scales = vol->scales;
-       scales != NULL; scales = scales->next, n++) {
-    GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
-    if ((gint) gtk_adjustment_get_value (adj) != volumes[n]) {
-      gtk_range_set_value (scales->data, volumes[n]);
-    }
-
-    /* should we release lock? */
-    if (volumes[n] != volumes[0]) {
-      mate_volume_control_button_set_active (
-	MATE_VOLUME_CONTROL_BUTTON (vol->button), FALSE);
-    }
-  }
-
-  g_free (volumes);
-  vol->locked = FALSE;
-}
-
-/*
- * Timeout to check for volume changes.
- */
-
-static gboolean
-cb_check (gpointer data)
-{
-  mate_volume_control_volume_update (data);
-
-  return TRUE;
-}