static void
caps_set(GstCaps *caps, signal_user_data_t *ud)
{
GstStructure *ss;
ss = gst_caps_get_structure(caps, 0);
if (ss)
{
gint fps_n, fps_d, width, height;
guint num, den, par_n, par_d;
gint disp_par_n, disp_par_d;
const GValue *par;
gst_structure_get_fraction(ss, "framerate", &fps_n, &fps_d);
gst_structure_get_int(ss, "width", &width);
gst_structure_get_int(ss, "height", &height);
par = gst_structure_get_value(ss, "pixel-aspect-ratio");
par_n = gst_value_get_fraction_numerator(par);
par_d = gst_value_get_fraction_denominator(par);
ghb_screen_par(ud, &disp_par_n, &disp_par_d);
gst_video_calculate_display_ratio(
&num, &den, width, height, par_n, par_d, disp_par_n, disp_par_d);
if (par_n > par_d)
width = gst_util_uint64_scale_int(height, num, den);
else
height = gst_util_uint64_scale_int(width, den, num);
if (ghb_dict_get_bool(ud->prefs, "reduce_hd_preview"))
{
GdkScreen *ss;
gint s_w, s_h;
ss = gdk_screen_get_default();
s_w = gdk_screen_get_width(ss);
s_h = gdk_screen_get_height(ss);
if (width > s_w * 80 / 100)
{
width = s_w * 80 / 100;
height = gst_util_uint64_scale_int(width, den, num);
}
if (height > s_h * 80 / 100)
{
height = s_h * 80 / 100;
width = gst_util_uint64_scale_int(height, num, den);
}
}
if (width != ud->preview->width || height != ud->preview->height)
{
preview_set_size(ud, width, height);
}
}
}
static void
caps_set(GstCaps *caps, signal_user_data_t *ud)
{
GstStructure *ss;
ss = gst_caps_get_structure(caps, 0);
if (ss)
{
gint fps_n, fps_d, width, height;
guint num, den, par_n, par_d;
gint disp_par_n, disp_par_d;
const GValue *par;
gst_structure_get_fraction(ss, "framerate", &fps_n, &fps_d);
gst_structure_get_int(ss, "width", &width);
gst_structure_get_int(ss, "height", &height);
par = gst_structure_get_value(ss, "pixel-aspect-ratio");
par_n = gst_value_get_fraction_numerator(par);
par_d = gst_value_get_fraction_denominator(par);
ghb_screen_par(ud, &disp_par_n, &disp_par_d);
gst_video_calculate_display_ratio(
&num, &den, width, height, par_n, par_d, disp_par_n, disp_par_d);
if (par_n > par_d)
width = gst_util_uint64_scale_int(height, num, den);
else
height = gst_util_uint64_scale_int(width, den, num);
preview_set_size(ud, width, height);
if (ghb_dict_get_bool(ud->prefs, "reduce_hd_preview"))
{
GdkWindow *window;
gint s_w, s_h;
window = gtk_widget_get_window(
GHB_WIDGET(ud->builder, "preview_window"));
ghb_monitor_get_size(window, &s_w, &s_h);
if (s_w > 0 && s_h > 0)
{
if (width > s_w * 80 / 100)
{
width = s_w * 80 / 100;
height = gst_util_uint64_scale_int(width, den, num);
}
if (height > s_h * 80 / 100)
{
height = s_h * 80 / 100;
width = gst_util_uint64_scale_int(height, num, den);
}
}
}
}
}
void
init_preview_image(signal_user_data_t *ud)
{
GtkWidget *widget;
gint width, height;
g_debug("set_preview_button_image ()");
gint title_id, titleindex;
const hb_title_t *title;
live_preview_stop(ud);
title_id = ghb_dict_get_int(ud->settings, "title");
title = ghb_lookup_title(title_id, &titleindex);
if (title == NULL && ud->preview->pix != NULL)
{
g_object_unref(ud->preview->pix);
ud->preview->pix = NULL;
}
widget = GHB_WIDGET (ud->builder, "preview_frame");
ud->preview->frame = ghb_widget_int(widget) - 1;
if (ud->preview->encoded[ud->preview->frame])
{
widget = GHB_WIDGET(ud->builder, "live_progress_box");
gtk_widget_hide (widget);
widget = GHB_WIDGET(ud->builder, "live_preview_progress");
gtk_widget_show (widget);
}
else
{
widget = GHB_WIDGET(ud->builder, "live_preview_progress");
gtk_widget_hide (widget);
widget = GHB_WIDGET(ud->builder, "live_progress_box");
gtk_widget_show (widget);
widget = GHB_WIDGET(ud->builder, "live_encode_progress");
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(widget), "");
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR(widget), 0);
}
if (ud->preview->pix != NULL)
g_object_unref(ud->preview->pix);
if (ud->preview->scaled_pix != NULL)
g_object_unref(ud->preview->scaled_pix);
ud->preview->pix = ghb_get_preview_image(title, ud->preview->frame,
ud, &width, &height);
if (ud->preview->pix == NULL)
return;
int pix_width, pix_height;
pix_width = gdk_pixbuf_get_width(ud->preview->pix);
pix_height = gdk_pixbuf_get_height(ud->preview->pix);
preview_set_size(ud, pix_width, pix_height);
}
void
ghb_set_preview_image(signal_user_data_t *ud)
{
GtkWidget *widget;
gint preview_width, preview_height, target_height, width, height;
g_debug("set_preview_button_image ()");
gint title_id, titleindex;
const hb_title_t *title;
live_preview_stop(ud);
title_id = ghb_dict_get_int(ud->settings, "title");
title = ghb_lookup_title(title_id, &titleindex);
if (title == NULL) return;
widget = GHB_WIDGET (ud->builder, "preview_frame");
ud->preview->frame = ghb_widget_int(widget) - 1;
if (ud->preview->encoded[ud->preview->frame])
{
widget = GHB_WIDGET(ud->builder, "live_progress_box");
gtk_widget_hide (widget);
widget = GHB_WIDGET(ud->builder, "live_preview_progress");
gtk_widget_show (widget);
}
else
{
widget = GHB_WIDGET(ud->builder, "live_preview_progress");
gtk_widget_hide (widget);
widget = GHB_WIDGET(ud->builder, "live_progress_box");
gtk_widget_show (widget);
widget = GHB_WIDGET(ud->builder, "live_encode_progress");
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(widget), "");
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR(widget), 0);
}
if (ud->preview->pix != NULL)
g_object_unref(ud->preview->pix);
ud->preview->pix =
ghb_get_preview_image(title, ud->preview->frame, ud, &width, &height);
if (ud->preview->pix == NULL) return;
preview_width = gdk_pixbuf_get_width(ud->preview->pix);
preview_height = gdk_pixbuf_get_height(ud->preview->pix);
widget = GHB_WIDGET (ud->builder, "preview_image");
if (preview_width != ud->preview->width ||
preview_height != ud->preview->height)
{
preview_set_size(ud, preview_width, preview_height);
}
gtk_widget_queue_draw(widget);
gchar *text = g_strdup_printf("%d x %d", width, height);
widget = GHB_WIDGET (ud->builder, "preview_dims");
gtk_label_set_text(GTK_LABEL(widget), text);
g_free(text);
g_debug("preview %d x %d", preview_width, preview_height);
target_height = MIN(ud->preview->button_height, 200);
height = target_height;
width = preview_width * height / preview_height;
if (width > 400)
{
width = 400;
height = preview_height * width / preview_width;
}
if ((height >= 16) && (width >= 16))
{
GdkPixbuf *scaled_preview;
scaled_preview = gdk_pixbuf_scale_simple (ud->preview->pix, width,
height, GDK_INTERP_NEAREST);
if (scaled_preview != NULL)
{
widget = GHB_WIDGET (ud->builder, "preview_button_image");
gtk_image_set_from_pixbuf(GTK_IMAGE(widget), scaled_preview);
g_object_unref(scaled_preview);
}
}
}
