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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-08 15:45:55 +00:00
playsink: Proxy colorbalance interface
This commit is contained in:
Sebastian Dröge
parent
377bd8255c
commit
4289c0c899
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@ -216,6 +216,11 @@ struct _GstPlaySink
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gint xoverlay_x, xoverlay_y, xoverlay_width, xoverlay_height;
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gboolean xoverlay_handle_events_set;
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gboolean xoverlay_handle_events;
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/* colorbalance proxy interface */
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GstColorBalance *colorbalance_element;
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GList *colorbalance_channels; /* CONTRAST, BRIGHTNESS, HUE, SATURATION */
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gint colorbalance_values[4];
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};
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struct _GstPlaySinkClass
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@ -344,6 +349,9 @@ static void gst_play_sink_xoverlay_init (gpointer g_iface,
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gpointer g_iface_data);
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static void gst_play_sink_navigation_init (gpointer g_iface,
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gpointer g_iface_data);
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static void gst_play_sink_colorbalance_init (gpointer g_iface,
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gpointer g_iface_data);
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static void
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_do_init (GType type)
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{
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@ -362,11 +370,16 @@ _do_init (GType type)
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gst_play_sink_navigation_init,
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NULL, NULL
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};
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static const GInterfaceInfo col_info = {
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gst_play_sink_colorbalance_init,
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NULL, NULL
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};
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g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE, &impl_info);
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g_type_add_interface_static (type, GST_TYPE_STREAM_VOLUME, &svol_info);
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g_type_add_interface_static (type, GST_TYPE_X_OVERLAY, &xov_info);
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g_type_add_interface_static (type, GST_TYPE_NAVIGATION, &nav_info);
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g_type_add_interface_static (type, GST_TYPE_COLOR_BALANCE, &col_info);
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}
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G_DEFINE_TYPE_WITH_CODE (GstPlaySink, gst_play_sink, GST_TYPE_BIN,
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@ -553,6 +566,8 @@ gst_play_sink_class_init (GstPlaySinkClass * klass)
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static void
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gst_play_sink_init (GstPlaySink * playsink)
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{
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GstColorBalanceChannel *channel;
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/* init groups */
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playsink->video_sink = NULL;
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playsink->audio_sink = NULL;
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@ -570,6 +585,46 @@ gst_play_sink_init (GstPlaySink * playsink)
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g_static_rec_mutex_init (&playsink->lock);
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GST_OBJECT_FLAG_SET (playsink, GST_ELEMENT_IS_SINK);
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channel =
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GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
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NULL));
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channel->label = g_strdup ("CONTRAST");
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channel->min_value = -1000;
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channel->max_value = 1000;
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playsink->colorbalance_channels =
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g_list_append (playsink->colorbalance_channels, channel);
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playsink->colorbalance_values[0] = 0;
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channel =
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GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
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NULL));
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channel->label = g_strdup ("BRIGHTNESS");
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channel->min_value = -1000;
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channel->max_value = 1000;
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playsink->colorbalance_channels =
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g_list_append (playsink->colorbalance_channels, channel);
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playsink->colorbalance_values[1] = 0;
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channel =
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GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
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NULL));
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channel->label = g_strdup ("HUE");
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channel->min_value = -1000;
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channel->max_value = 1000;
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playsink->colorbalance_channels =
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g_list_append (playsink->colorbalance_channels, channel);
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playsink->colorbalance_values[2] = 0;
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channel =
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GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
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NULL));
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channel->label = g_strdup ("SATURATION");
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channel->min_value = -1000;
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channel->max_value = 1000;
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playsink->colorbalance_channels =
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g_list_append (playsink->colorbalance_channels, channel);
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playsink->colorbalance_values[3] = 0;
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}
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static void
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@ -661,6 +716,11 @@ gst_play_sink_dispose (GObject * object)
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playsink->stream_synchronizer = NULL;
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g_list_foreach (playsink->colorbalance_channels, (GFunc) gst_object_unref,
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NULL);
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g_list_free (playsink->colorbalance_channels);
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playsink->colorbalance_channels = NULL;
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G_OBJECT_CLASS (gst_play_sink_parent_class)->dispose (object);
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}
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@ -1314,32 +1374,117 @@ static void
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iterate_color_balance_elements (gpointer data, gpointer user_data)
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{
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gboolean valid = is_valid_color_balance_element (data);
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gboolean *valid_out = user_data;
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GstColorBalance **cb_out = user_data;
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*valid_out = *valid_out && valid;
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if (valid) {
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if (*cb_out
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&& gst_color_balance_get_balance_type (*cb_out) ==
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GST_COLOR_BALANCE_SOFTWARE) {
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gst_object_unref (*cb_out);
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*cb_out = GST_COLOR_BALANCE (gst_object_ref (data));
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} else if (!*cb_out) {
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*cb_out = GST_COLOR_BALANCE (gst_object_ref (data));
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}
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}
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gst_object_unref (data);
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}
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static gboolean
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has_color_balance_element (GstElement * element)
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static GstColorBalance *
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find_color_balance_element (GstElement * element)
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{
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GstIterator *it;
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gboolean valid = FALSE;
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GstColorBalance *cb = NULL;
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if (GST_IS_COLOR_BALANCE (element))
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return is_valid_color_balance_element (element);
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if (GST_IS_COLOR_BALANCE (element)
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&& is_valid_color_balance_element (element))
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return GST_COLOR_BALANCE (gst_object_ref (element));
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else if (!GST_IS_BIN (element))
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return FALSE;
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it = gst_bin_iterate_all_by_interface (GST_BIN (element),
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GST_TYPE_COLOR_BALANCE);
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while (gst_iterator_foreach (it, iterate_color_balance_elements,
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&valid) == GST_ITERATOR_RESYNC)
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&cb) == GST_ITERATOR_RESYNC)
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gst_iterator_resync (it);
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gst_iterator_free (it);
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return valid;
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return cb;
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}
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static void
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colorbalance_value_changed_cb (GstColorBalance * balance,
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GstColorBalanceChannel * channel, gint value, GstPlaySink * playsink)
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{
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GList *l;
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gint i;
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for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
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GstColorBalanceChannel *proxy = l->data;
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if (g_strrstr (channel->label, proxy->label)) {
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gdouble new_val;
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/* Convert to [0, 1] range */
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new_val =
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((gdouble) value -
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(gdouble) channel->min_value) / ((gdouble) channel->max_value -
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(gdouble) channel->min_value);
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/* Convert to proxy range */
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new_val =
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proxy->min_value + new_val * ((gdouble) proxy->max_value -
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(gdouble) proxy->min_value);
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playsink->colorbalance_values[i] = (gint) (0.5 + new_val);
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gst_color_balance_value_changed (GST_COLOR_BALANCE (playsink), proxy,
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playsink->colorbalance_values[i]);
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break;
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}
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}
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}
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static void
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update_colorbalance (GstPlaySink * playsink)
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{
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GstColorBalance *balance = NULL;
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GList *l;
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gint i;
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GST_OBJECT_LOCK (playsink);
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if (playsink->colorbalance_element) {
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balance =
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GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
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}
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GST_OBJECT_UNLOCK (playsink);
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if (!balance)
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return;
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g_signal_handlers_disconnect_by_func (balance,
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
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GstColorBalanceChannel *proxy = l->data;
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GstColorBalanceChannel *channel = NULL;
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const GList *channels, *k;
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channels = gst_color_balance_list_channels (balance);
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for (k = channels; k; k = k->next) {
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GstColorBalanceChannel *tmp = k->data;
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if (g_strrstr (tmp->label, proxy->label)) {
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channel = tmp;
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break;
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}
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}
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g_assert (channel);
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gst_color_balance_set_value (balance, channel,
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playsink->colorbalance_values[i]);
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}
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g_signal_connect (balance, "value-changed",
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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}
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/* make the element (bin) that contains the elements needed to perform
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@ -1475,17 +1620,34 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
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head = prev = chain->queue;
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}
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GST_OBJECT_LOCK (playsink);
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if (playsink->colorbalance_element) {
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g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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gst_object_unref (playsink->colorbalance_element);
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}
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playsink->colorbalance_element = find_color_balance_element (chain->sink);
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GST_OBJECT_UNLOCK (playsink);
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if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)
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|| (!has_color_balance_element (chain->sink)
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|| (!playsink->colorbalance_element
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&& (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE))) {
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gboolean use_converters = !(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO);
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gboolean use_balance = !has_color_balance_element (chain->sink)
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gboolean use_balance = !playsink->colorbalance_element
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&& (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE);
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GST_DEBUG_OBJECT (playsink, "creating videoconverter");
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chain->conv =
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g_object_new (GST_TYPE_PLAY_SINK_VIDEO_CONVERT, "name", "vconv",
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"use-converters", use_converters, "use-balance", use_balance, NULL);
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GST_OBJECT_LOCK (playsink);
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if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance)
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playsink->colorbalance_element =
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GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT
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(chain->conv)->balance));
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GST_OBJECT_UNLOCK (playsink);
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gst_bin_add (bin, chain->conv);
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if (prev) {
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if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
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@ -1497,6 +1659,8 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
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prev = chain->conv;
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}
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update_colorbalance (playsink);
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if (prev) {
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GST_DEBUG_OBJECT (playsink, "linking to sink");
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if (!gst_element_link_pads_full (prev, "src", chain->sink, NULL,
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@ -1632,10 +1796,30 @@ setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
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if (elem)
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g_object_set (elem, "force-aspect-ratio", TRUE, NULL);
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if (chain->conv)
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g_object_set (chain->conv, "use-balance",
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!has_color_balance_element (chain->sink)
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&& (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE), NULL);
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GST_OBJECT_LOCK (playsink);
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if (playsink->colorbalance_element) {
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g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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gst_object_unref (playsink->colorbalance_element);
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}
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playsink->colorbalance_element = find_color_balance_element (chain->sink);
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GST_OBJECT_UNLOCK (playsink);
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if (chain->conv) {
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gboolean use_balance = !playsink->colorbalance_element
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&& (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE);
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g_object_set (chain->conv, "use-balance", use_balance, NULL);
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GST_OBJECT_LOCK (playsink);
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if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance)
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playsink->colorbalance_element =
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GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT
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(chain->conv)->balance));
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GST_OBJECT_UNLOCK (playsink);
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}
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update_colorbalance (playsink);
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return TRUE;
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}
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@ -2363,6 +2547,13 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
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if (playsink->xoverlay_element)
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gst_object_unref (playsink->xoverlay_element);
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playsink->xoverlay_element = NULL;
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if (playsink->colorbalance_element) {
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g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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gst_object_unref (playsink->colorbalance_element);
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}
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playsink->colorbalance_element = NULL;
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GST_OBJECT_UNLOCK (playsink);
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if (((flags & GST_PLAY_FLAG_VIDEO)
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@ -3727,6 +3918,13 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
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if (playsink->xoverlay_element)
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gst_object_unref (playsink->xoverlay_element);
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playsink->xoverlay_element = NULL;
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if (playsink->colorbalance_element) {
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g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
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G_CALLBACK (colorbalance_value_changed_cb), playsink);
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gst_object_unref (playsink->colorbalance_element);
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}
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playsink->colorbalance_element = NULL;
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GST_OBJECT_UNLOCK (playsink);
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ret = GST_STATE_CHANGE_SUCCESS;
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@ -4072,7 +4270,7 @@ gst_play_sink_implements_interface_supported (GstImplementsInterface * iface,
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GType type)
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{
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if (type == GST_TYPE_X_OVERLAY || type == GST_TYPE_STREAM_VOLUME ||
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type == GST_TYPE_NAVIGATION)
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type == GST_TYPE_NAVIGATION || type == GST_TYPE_COLOR_BALANCE)
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return TRUE;
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else
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return FALSE;
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@ -4122,6 +4320,127 @@ gst_play_sink_navigation_init (gpointer g_iface, gpointer g_iface_data)
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iface->send_event = gst_play_sink_navigation_send_event;
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}
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static const GList *
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gst_play_sink_colorbalance_list_channels (GstColorBalance * balance)
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{
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GstPlaySink *playsink = GST_PLAY_SINK (balance);
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return playsink->colorbalance_channels;
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}
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static void
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gst_play_sink_colorbalance_set_value (GstColorBalance * balance,
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GstColorBalanceChannel * proxy, gint value)
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{
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GstPlaySink *playsink = GST_PLAY_SINK (balance);
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GList *l;
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gint i;
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GstColorBalance *balance_element = NULL;
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GST_OBJECT_LOCK (playsink);
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if (playsink->colorbalance_element)
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balance_element =
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GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
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GST_OBJECT_UNLOCK (playsink);
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for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
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GstColorBalanceChannel *proxy_tmp = l->data;
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gdouble new_val;
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if (proxy_tmp != proxy)
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continue;
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playsink->colorbalance_values[i] = value;
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if (balance_element) {
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GstColorBalanceChannel *channel = NULL;
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const GList *channels, *k;
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channels = gst_color_balance_list_channels (balance_element);
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for (k = channels; k; k = k->next) {
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GstColorBalanceChannel *tmp = l->data;
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if (g_strrstr (tmp->label, proxy->label)) {
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channel = tmp;
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break;
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}
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}
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g_assert (channel);
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/* Convert to [0, 1] range */
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new_val =
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((gdouble) value -
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(gdouble) proxy->min_value) / ((gdouble) proxy->max_value -
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(gdouble) proxy->min_value);
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/* Convert to channel range */
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new_val =
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channel->min_value + new_val * ((gdouble) channel->max_value -
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(gdouble) channel->min_value);
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gst_color_balance_set_value (balance_element, channel,
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(gint) (new_val + 0.5));
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gst_object_unref (balance_element);
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}
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gst_color_balance_value_changed (balance, proxy, value);
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break;
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}
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}
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static gint
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gst_play_sink_colorbalance_get_value (GstColorBalance * balance,
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GstColorBalanceChannel * proxy)
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{
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GstPlaySink *playsink = GST_PLAY_SINK (balance);
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GList *l;
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||||
gint i;
|
||||
|
||||
for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
|
||||
GstColorBalanceChannel *proxy_tmp = l->data;
|
||||
|
||||
if (proxy_tmp != proxy)
|
||||
continue;
|
||||
|
||||
return playsink->colorbalance_values[i];
|
||||
}
|
||||
|
||||
g_return_val_if_reached (0);
|
||||
}
|
||||
|
||||
static GstColorBalanceType
|
||||
gst_play_sink_colorbalance_get_balance_type (GstColorBalance * balance)
|
||||
{
|
||||
GstPlaySink *playsink = GST_PLAY_SINK (balance);
|
||||
GstColorBalance *balance_element = NULL;
|
||||
GstColorBalanceType t = GST_COLOR_BALANCE_SOFTWARE;
|
||||
|
||||
GST_OBJECT_LOCK (playsink);
|
||||
if (playsink->colorbalance_element)
|
||||
balance_element =
|
||||
GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
|
||||
GST_OBJECT_UNLOCK (playsink);
|
||||
|
||||
if (balance_element) {
|
||||
t = gst_color_balance_get_balance_type (balance_element);
|
||||
gst_object_unref (balance_element);
|
||||
}
|
||||
|
||||
return t;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_play_sink_colorbalance_init (gpointer g_iface, gpointer g_iface_data)
|
||||
{
|
||||
GstColorBalanceClass *iface = (GstColorBalanceClass *) g_iface;
|
||||
|
||||
iface->list_channels = gst_play_sink_colorbalance_list_channels;
|
||||
iface->set_value = gst_play_sink_colorbalance_set_value;
|
||||
iface->get_value = gst_play_sink_colorbalance_get_value;
|
||||
iface->get_balance_type = gst_play_sink_colorbalance_get_balance_type;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_play_sink_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue