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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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seek: Add UI for setting the colorbalance interface properties on playbin2
This commit is contained in:
Sebastian Dröge
parent
2c565f72df
commit
d85a8a6e7e
1 changed files with 205 additions and 12 deletions
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@ -46,6 +46,7 @@
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#include <gst/interfaces/xoverlay.h>
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#include <gst/interfaces/navigation.h>
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#include <gst/interfaces/colorbalance.h>
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GST_DEBUG_CATEGORY_STATIC (seek_debug);
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#define GST_CAT_DEFAULT (seek_debug)
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@ -125,6 +126,12 @@ static GtkWidget *shuttle_checkbox, *step_button;
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static GtkWidget *shuttle_hscale;
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static GtkAdjustment *shuttle_adjustment;
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static GtkWidget *contrast_scale, *brightness_scale, *hue_scale,
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*saturation_scale;
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static GstElement *navigation_element = NULL;
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static GstElement *colorbalance_element = NULL;
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static struct
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{
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GstNavigationCommand cmd;
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@ -145,7 +152,7 @@ static GArray *vis_entries;
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static void clear_streams (GstElement * pipeline);
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static void volume_notify_cb (GstElement * pipeline, GParamSpec * arg,
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gpointer user_dat);
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static void find_navigation_element (void);
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static void find_interface_elements (void);
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/* pipeline construction */
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@ -1458,7 +1465,7 @@ start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
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if (changed_id == 0 && flush_seek && scrub) {
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changed_id =
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g_signal_connect (hscale, "value_changed", G_CALLBACK (seek_cb),
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g_signal_connect (hscale, "value-changed", G_CALLBACK (seek_cb),
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pipeline);
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}
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@ -2296,6 +2303,48 @@ shuttle_value_changed (GtkRange * range, GstElement * element)
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}
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}
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static void
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colorbalance_value_changed (GtkRange * range, gpointer user_data)
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{
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const gchar *label = user_data;
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gdouble val;
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gint ival;
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GstColorBalanceChannel *channel = NULL;
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const GList *channels, *l;
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val = gtk_range_get_value (range);
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g_print ("colorbalance %s value changed %lf\n", label, val / 100.);
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if (!colorbalance_element) {
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find_interface_elements ();
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if (!colorbalance_element)
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return;
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}
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channels =
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gst_color_balance_list_channels (GST_COLOR_BALANCE
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(colorbalance_element));
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for (l = channels; l; l = l->next) {
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GstColorBalanceChannel *tmp = l->data;
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if (g_strrstr (tmp->label, label)) {
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channel = tmp;
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break;
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}
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}
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if (!channel)
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return;
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ival =
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(gint) (0.5 + channel->min_value +
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(val / 100.0) * ((gdouble) channel->max_value -
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(gdouble) channel->min_value));
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gst_color_balance_set_value (GST_COLOR_BALANCE (colorbalance_element),
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channel, ival);
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}
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static void
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msg_async_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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@ -2307,7 +2356,7 @@ msg_async_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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/* update the available streams */
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update_streams (pipeline);
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find_navigation_element ();
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find_interface_elements ();
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}
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static void
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@ -2473,12 +2522,40 @@ msg_clock_lost (GstBus * bus, GstMessage * message, GstPipeline * data)
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}
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}
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static GstElement *navigation_element = NULL;
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static gboolean
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is_valid_color_balance_element (GstElement * element)
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{
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GstColorBalance *bal = GST_COLOR_BALANCE (element);
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gboolean have_brightness = FALSE;
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gboolean have_contrast = FALSE;
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gboolean have_hue = FALSE;
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gboolean have_saturation = FALSE;
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const GList *channels, *l;
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channels = gst_color_balance_list_channels (bal);
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for (l = channels; l; l = l->next) {
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GstColorBalanceChannel *ch = l->data;
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if (g_strrstr (ch->label, "BRIGHTNESS"))
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have_brightness = TRUE;
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else if (g_strrstr (ch->label, "CONTRAST"))
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have_contrast = TRUE;
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else if (g_strrstr (ch->label, "HUE"))
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have_hue = TRUE;
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else if (g_strrstr (ch->label, "SATURATION"))
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have_saturation = TRUE;
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}
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return have_brightness && have_contrast && have_hue && have_saturation;
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}
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static void
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find_navigation_element (void)
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find_interface_elements (void)
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{
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GstElement *video_sink;
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GstElement *video_sink, *playsink;
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GstIterator *it;
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gpointer item;
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gboolean done = FALSE, hardware = FALSE;
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g_object_get (pipeline, "video-sink", &video_sink, NULL);
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if (!video_sink)
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@ -2487,6 +2564,10 @@ find_navigation_element (void)
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if (navigation_element)
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gst_object_unref (navigation_element);
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if (colorbalance_element)
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gst_object_unref (colorbalance_element);
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colorbalance_element = NULL;
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if (GST_IS_NAVIGATION (video_sink)) {
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navigation_element = gst_object_ref (video_sink);
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} else if (GST_IS_BIN (video_sink)) {
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@ -2497,6 +2578,62 @@ find_navigation_element (void)
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}
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gst_object_unref (video_sink);
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playsink = gst_bin_get_by_name (GST_BIN (pipeline), "playsink");
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g_assert (playsink != NULL);
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it = gst_bin_iterate_all_by_interface (GST_BIN (playsink),
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GST_TYPE_COLOR_BALANCE);
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while (!done) {
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switch (gst_iterator_next (it, &item)) {
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case GST_ITERATOR_OK:{
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GstElement *element = GST_ELEMENT (item);
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if (is_valid_color_balance_element (element)) {
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if (!colorbalance_element) {
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colorbalance_element = GST_ELEMENT_CAST (gst_object_ref (element));
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hardware =
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(gst_color_balance_get_balance_type (GST_COLOR_BALANCE
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(element)) == GST_COLOR_BALANCE_HARDWARE);
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} else if (!hardware) {
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gboolean tmp =
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(gst_color_balance_get_balance_type (GST_COLOR_BALANCE
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(element)) == GST_COLOR_BALANCE_HARDWARE);
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if (tmp) {
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if (colorbalance_element)
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gst_object_unref (colorbalance_element);
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colorbalance_element =
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GST_ELEMENT_CAST (gst_object_ref (element));
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hardware = TRUE;
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}
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}
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}
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gst_object_unref (element);
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if (hardware && colorbalance_element)
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done = TRUE;
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break;
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}
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case GST_ITERATOR_RESYNC:
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gst_iterator_resync (it);
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done = FALSE;
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hardware = FALSE;
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if (colorbalance_element)
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gst_object_unref (colorbalance_element);
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colorbalance_element = NULL;
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break;
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case GST_ITERATOR_DONE:
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case GST_ITERATOR_ERROR:
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default:
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done = TRUE;
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}
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}
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gst_iterator_free (it);
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gst_object_unref (playsink);
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}
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/* called when Navigation command button is pressed */
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@ -2506,7 +2643,7 @@ navigation_cmd_cb (GtkButton * button, gpointer data)
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GstNavigationCommand cmd = GPOINTER_TO_INT (data);
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if (!navigation_element) {
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find_navigation_element ();
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find_interface_elements ();
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if (!navigation_element)
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return;
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}
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@ -2553,7 +2690,7 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * data)
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gst_x_overlay_set_window_handle (GST_X_OVERLAY (element), embed_xid);
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gst_x_overlay_handle_events (GST_X_OVERLAY (element), FALSE);
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find_navigation_element ();
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find_interface_elements ();
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}
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return GST_BUS_PASS;
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}
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@ -2843,7 +2980,7 @@ int
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main (int argc, char **argv)
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{
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GtkWidget *window, *hbox, *vbox, *panel, *expander, *pb2vbox, *boxes,
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*flagtable, *boxes2, *step, *navigation;
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*flagtable, *boxes2, *step, *navigation, *colorbalance;
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GtkWidget *play_button, *pause_button, *stop_button, *shot_button;
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GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox, *flush_checkbox;
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GtkWidget *scrub_checkbox, *play_scrub_checkbox;
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@ -3028,7 +3165,7 @@ main (int argc, char **argv)
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shuttle_hscale = gtk_hscale_new (shuttle_adjustment);
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gtk_scale_set_digits (GTK_SCALE (shuttle_hscale), 2);
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gtk_scale_set_value_pos (GTK_SCALE (shuttle_hscale), GTK_POS_TOP);
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g_signal_connect (shuttle_hscale, "value_changed",
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g_signal_connect (shuttle_hscale, "value-changed",
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G_CALLBACK (shuttle_value_changed), pipeline);
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g_signal_connect (shuttle_hscale, "format_value",
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G_CALLBACK (shuttle_format_value), pipeline);
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@ -3187,6 +3324,60 @@ main (int argc, char **argv)
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gtk_container_add (GTK_CONTAINER (navigation), grid);
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}
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/* colorbalance expander */
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{
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GtkWidget *vbox, *frame;
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colorbalance = gtk_expander_new ("color balance options");
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vbox = gtk_vbox_new (FALSE, 0);
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/* contrast scale */
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frame = gtk_frame_new ("Contrast");
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (50.0, 0.0, 101.0, 1.0, 1.0, 1.0));
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contrast_scale = gtk_hscale_new (adjustment);
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gtk_scale_set_draw_value (GTK_SCALE (contrast_scale), FALSE);
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g_signal_connect (contrast_scale, "value-changed",
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G_CALLBACK (colorbalance_value_changed), (gpointer) "CONTRAST");
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gtk_container_add (GTK_CONTAINER (frame), contrast_scale);
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gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 2);
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/* brightness scale */
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frame = gtk_frame_new ("Brightness");
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (50.0, 0.0, 101.0, 1.0, 1.0, 1.0));
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brightness_scale = gtk_hscale_new (adjustment);
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gtk_scale_set_draw_value (GTK_SCALE (brightness_scale), FALSE);
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g_signal_connect (brightness_scale, "value-changed",
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G_CALLBACK (colorbalance_value_changed), (gpointer) "BRIGHTNESS");
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gtk_container_add (GTK_CONTAINER (frame), brightness_scale);
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gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 2);
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/* hue scale */
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frame = gtk_frame_new ("Hue");
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (50.0, 0.0, 101.0, 1.0, 1.0, 1.0));
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hue_scale = gtk_hscale_new (adjustment);
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gtk_scale_set_draw_value (GTK_SCALE (hue_scale), FALSE);
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g_signal_connect (hue_scale, "value-changed",
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G_CALLBACK (colorbalance_value_changed), (gpointer) "HUE");
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gtk_container_add (GTK_CONTAINER (frame), hue_scale);
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gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 2);
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/* saturation scale */
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frame = gtk_frame_new ("Saturation");
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (50.0, 0.0, 101.0, 1.0, 1.0, 1.0));
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saturation_scale = gtk_hscale_new (adjustment);
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gtk_scale_set_draw_value (GTK_SCALE (saturation_scale), FALSE);
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g_signal_connect (saturation_scale, "value-changed",
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G_CALLBACK (colorbalance_value_changed), (gpointer) "SATURATION");
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gtk_container_add (GTK_CONTAINER (frame), saturation_scale);
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gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 2);
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gtk_container_add (GTK_CONTAINER (colorbalance), vbox);
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}
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/* seek bar */
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, N_GRAD, 0.1, 1.0, 1.0));
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@ -3263,7 +3454,7 @@ main (int argc, char **argv)
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G_CALLBACK (download_toggle_cb), pipeline);
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g_signal_connect (G_OBJECT (buffer_checkbox), "toggled",
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G_CALLBACK (buffer_toggle_cb), pipeline);
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g_signal_connect (G_OBJECT (volume_spinbutton), "value_changed",
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g_signal_connect (G_OBJECT (volume_spinbutton), "value-changed",
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G_CALLBACK (volume_spinbutton_changed_cb), pipeline);
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/* playbin2 panel for snapshot */
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boxes2 = gtk_hbox_new (FALSE, 0);
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@ -3320,6 +3511,8 @@ main (int argc, char **argv)
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}
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gtk_box_pack_start (GTK_BOX (vbox), step, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), navigation, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), colorbalance, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), hscale, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), statusbar, FALSE, FALSE, 2);
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@ -3344,7 +3537,7 @@ main (int argc, char **argv)
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G_CALLBACK (play_scrub_toggle_cb), pipeline);
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g_signal_connect (G_OBJECT (skip_checkbox), "toggled",
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G_CALLBACK (skip_toggle_cb), pipeline);
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g_signal_connect (G_OBJECT (rate_spinbutton), "value_changed",
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g_signal_connect (G_OBJECT (rate_spinbutton), "value-changed",
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G_CALLBACK (rate_spinbutton_changed_cb), pipeline);
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g_signal_connect (G_OBJECT (window), "delete-event", delete_event_cb, NULL);
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