--- a/gst_plugins_good/gst/camerabin/camerabingeneral.c Fri Jun 11 16:24:58 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,263 +0,0 @@
-/*
- * GStreamer
- * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
- *
- * 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/**
- * SECTION:camerabingeneral
- * @short_description: helper functions for #GstCameraBin and it's modules
- *
- * Common helper functions for #GstCameraBin, #GstCameraBinImage and
- * #GstCameraBinVideo.
- *
- */
-
-#include "camerabingeneral.h"
-#include <glib.h>
-
-GST_DEBUG_CATEGORY (gst_camerabin_debug);
-
-static gboolean
-camerabin_general_dbg_have_event (GstPad * pad, GstEvent * event,
- gpointer u_data)
-{
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_NEWSEGMENT:
- {
- GstElement *elem = (GstElement *) u_data;
- gchar *elem_name = gst_element_get_name (elem);
- gchar *pad_name = gst_pad_get_name (pad);
-
- gboolean update;
- gdouble rate;
- GstFormat format;
- gint64 start, stop, pos;
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &pos);
-
- GST_DEBUG ("element %s, pad %s, new_seg_start =%" GST_TIME_FORMAT
- ", new_seg_stop =%" GST_TIME_FORMAT
- ", new_seg_pos =%" GST_TIME_FORMAT "\n", elem_name, pad_name,
- GST_TIME_ARGS (start), GST_TIME_ARGS (stop), GST_TIME_ARGS (pos));
-
- g_free (pad_name);
- g_free (elem_name);
- }
- break;
- default:
- break;
- }
-
- return TRUE;
-}
-
-static gboolean
-camerabin_general_dbg_have_buffer (GstPad * pad, GstBuffer * buffer,
- gpointer u_data)
-{
- GstElement *elem = (GstElement *) u_data;
- gchar *elem_name = gst_element_get_name (elem);
- gchar *pad_name = gst_pad_get_name (pad);
-
- GST_DEBUG ("element %s, pad %s, buf_ts =%" GST_TIME_FORMAT "\n", elem_name,
- pad_name, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
-
- g_free (pad_name);
- g_free (elem_name);
-
- return TRUE;
-
-}
-
-void
-camerabin_general_dbg_set_probe (GstElement * elem, gchar * pad_name,
- gboolean buf, gboolean evt)
-{
- GstPad *pad = gst_element_get_static_pad (elem, pad_name);
-
- if (buf)
- gst_pad_add_buffer_probe (pad,
- G_CALLBACK (camerabin_general_dbg_have_buffer), elem);
- if (evt)
- gst_pad_add_event_probe (pad,
- G_CALLBACK (camerabin_general_dbg_have_event), elem);
-
- gst_object_unref (pad);
-}
-
-/**
- * gst_camerabin_add_element:
- * @bin: add an element to this bin
- * @new_elem: new element to be added
- *
- * Adds given element to given @bin. Looks for an unconnected src pad
- * from the @bin and links the element to it. Raises an error if adding
- * or linking failed.
- *
- * Returns: %TRUE if adding and linking succeeded, %FALSE otherwise.
- */
-gboolean
-gst_camerabin_add_element (GstBin * bin, GstElement * new_elem)
-{
- gboolean ret = FALSE;
-
- ret = gst_camerabin_try_add_element (bin, new_elem);
-
- if (!ret) {
- gchar *elem_name = gst_element_get_name (new_elem);
- GST_ELEMENT_ERROR (bin, CORE, NEGOTIATION, (NULL),
- ("linking %s failed", elem_name));
- g_free (elem_name);
- }
-
- return ret;
-}
-
-/**
- * gst_camerabin_try_add_element:
- * @bin: tries adding an element to this bin
- * @new_elem: new element to be added
- *
- * Adds given element to given @bin. Looks for an unconnected src pad
- * from the @bin and links the element to it.
- *
- * Returns: %TRUE if adding and linking succeeded, %FALSE otherwise.
- */
-gboolean
-gst_camerabin_try_add_element (GstBin * bin, GstElement * new_elem)
-{
- GstPad *bin_pad;
- GstElement *bin_elem;
- gboolean ret = TRUE;
-
- if (!bin || !new_elem) {
- return FALSE;
- }
-
- /* Get pads for linking */
- GST_DEBUG ("finding unconnected src pad");
- //bin_pad = gst_bin_find_unlinked_pad (bin, GST_PAD_SRC);
- bin_pad = gst_bin_find_unconnected_pad (bin, GST_PAD_SRC);
- GST_DEBUG ("unconnected pad %s:%s", GST_DEBUG_PAD_NAME (bin_pad));
- /* Add to bin */
- gst_bin_add (GST_BIN (bin), new_elem);
- /* Link, if unconnected pad was found, otherwise just add it to bin */
- if (bin_pad) {
- bin_elem = gst_pad_get_parent_element (bin_pad);
- gst_object_unref (bin_pad);
- if (!gst_element_link (bin_elem, new_elem)) {
- gst_bin_remove (bin, new_elem);
- ret = FALSE;
- }
- gst_object_unref (bin_elem);
- }
-
- return ret;
-}
-
-/**
- * gst_camerabin_create_and_add_element:
- * @bin: tries adding an element to this bin
- * @elem_name: name of the element to be created
- *
- * Creates an element according to given name and
- * adds it to given @bin. Looks for an unconnected src pad
- * from the @bin and links the element to it.
- *
- * Returns: pointer to the new element if successful, NULL otherwise.
- */
-GstElement *
-gst_camerabin_create_and_add_element (GstBin * bin, const gchar * elem_name)
-{
- GstElement *new_elem = NULL;
-
- GST_DEBUG ("adding %s", elem_name);
- new_elem = gst_element_factory_make (elem_name, NULL);
- if (!new_elem) {
- GST_ELEMENT_ERROR (bin, CORE, MISSING_PLUGIN, (NULL),
- ("could not create \"%s\" element.", elem_name));
- } else if (!gst_camerabin_add_element (bin, new_elem)) {
- new_elem = NULL;
- }
-
- return new_elem;
-}
-
-/**
- * gst_camerabin_remove_elements_from_bin:
- * @bin: removes all elements from this bin
- *
- * Removes all elements from this @bin.
- */
-void
-gst_camerabin_remove_elements_from_bin (GstBin * bin)
-{
- GstIterator *iter = NULL;
- gpointer data = NULL;
- GstElement *elem = NULL;
- gboolean done = FALSE;
-
- iter = gst_bin_iterate_elements (bin);
- while (!done) {
- switch (gst_iterator_next (iter, &data)) {
- case GST_ITERATOR_OK:
- elem = GST_ELEMENT (data);
- gst_bin_remove (bin, elem);
- /* Iterator increased the element refcount, so unref */
- gst_object_unref (elem);
- break;
- case GST_ITERATOR_RESYNC:
- gst_iterator_resync (iter);
- break;
- case GST_ITERATOR_ERROR:
- GST_WARNING_OBJECT (bin, "error in iterating elements");
- done = TRUE;
- break;
- case GST_ITERATOR_DONE:
- done = TRUE;
- break;
- }
- }
- gst_iterator_free (iter);
-}
-
-/**
- * gst_camerabin_drop_eos_probe:
- * @pad: pad receiving the event
- * @event: received event
- * @u_data: not used
- *
- * Event probe that drop all eos events.
- *
- * Returns: FALSE to drop the event, TRUE otherwise
- */
-gboolean
-gst_camerabin_drop_eos_probe (GstPad * pad, GstEvent * event, gpointer u_data)
-{
- gboolean ret = TRUE;
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- GST_DEBUG ("dropping eos in %s:%s", GST_DEBUG_PAD_NAME (pad));
- ret = FALSE;
- break;
- default:
- break;
- }
- return ret;
-}