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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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697 lines
20 KiB
C
697 lines
20 KiB
C
/* GStreamer
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* Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* Copyright (C) <2011> Vincent Penquerch <vincent.penquerch@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstplaysinkconvertbin.h"
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#include <gst/pbutils/pbutils.h>
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#include <gst/gst-i18n-plugin.h>
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GST_DEBUG_CATEGORY_STATIC (gst_play_sink_convert_bin_debug);
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#define GST_CAT_DEFAULT gst_play_sink_convert_bin_debug
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#define parent_class gst_play_sink_convert_bin_parent_class
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static void gst_play_sink_convert_bin_sink_setcaps (GstPlaySinkConvertBin *
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self, GstCaps * caps);
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G_DEFINE_TYPE (GstPlaySinkConvertBin, gst_play_sink_convert_bin, GST_TYPE_BIN);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static gboolean
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is_raw_caps (GstCaps * caps, gboolean audio)
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{
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gint i, n;
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GstStructure *s;
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const gchar *name;
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const gchar *prefix = audio ? "audio/x-raw" : "video/x-raw";
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n = gst_caps_get_size (caps);
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for (i = 0; i < n; i++) {
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s = gst_caps_get_structure (caps, i);
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name = gst_structure_get_name (s);
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if (g_str_equal (name, prefix))
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return TRUE;
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}
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return FALSE;
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}
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static void
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gst_play_sink_convert_bin_post_missing_element_message (GstPlaySinkConvertBin *
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self, const gchar * name)
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{
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GstMessage *msg;
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msg = gst_missing_element_message_new (GST_ELEMENT_CAST (self), name);
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gst_element_post_message (GST_ELEMENT_CAST (self), msg);
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}
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void
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gst_play_sink_convert_bin_add_conversion_element (GstPlaySinkConvertBin * self,
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GstElement * el)
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{
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self->conversion_elements = g_list_append (self->conversion_elements, el);
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gst_bin_add (GST_BIN (self), gst_object_ref (el));
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}
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GstElement *
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gst_play_sink_convert_bin_add_conversion_element_factory (GstPlaySinkConvertBin
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* self, const char *factory, const char *name)
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{
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GstElement *el;
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el = gst_element_factory_make (factory, name);
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if (el == NULL) {
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gst_play_sink_convert_bin_post_missing_element_message (self, factory);
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GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
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(_("Missing element '%s' - check your GStreamer installation."),
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factory),
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(self->audio ? "audio rendering might fail" :
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"video rendering might fail"));
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} else {
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gst_play_sink_convert_bin_add_conversion_element (self, el);
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}
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return el;
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}
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void
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gst_play_sink_convert_bin_add_identity (GstPlaySinkConvertBin * self)
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{
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if (self->identity)
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return;
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self->identity = gst_element_factory_make ("identity", "identity");
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if (self->identity == NULL) {
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gst_play_sink_convert_bin_post_missing_element_message (self, "identity");
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GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
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(_("Missing element '%s' - check your GStreamer installation."),
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"identity"), (self->audio ?
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"audio rendering might fail" : "video rendering might fail")
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);
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} else {
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g_object_set (self->identity, "silent", TRUE, "signal-handoffs", FALSE,
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NULL);
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gst_bin_add (GST_BIN_CAST (self), self->identity);
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}
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}
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static void
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gst_play_sink_convert_bin_set_targets (GstPlaySinkConvertBin * self,
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gboolean passthrough)
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{
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GstPad *pad;
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GstElement *head, *tail;
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GST_DEBUG_OBJECT (self, "Setting pad targets with passthrough %d",
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passthrough);
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if (self->conversion_elements == NULL || passthrough) {
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GST_DEBUG_OBJECT (self, "no conversion elements, using identity (%p) as "
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"head/tail", self->identity);
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if (!passthrough) {
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GST_WARNING_OBJECT (self,
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"Doing passthrough as no converter elements were added");
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}
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head = tail = self->identity;
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} else {
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head = GST_ELEMENT (g_list_first (self->conversion_elements)->data);
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tail = GST_ELEMENT (g_list_last (self->conversion_elements)->data);
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GST_DEBUG_OBJECT (self, "conversion elements in use, picking "
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"head:%s and tail:%s", GST_OBJECT_NAME (head), GST_OBJECT_NAME (tail));
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}
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g_return_if_fail (head != NULL);
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g_return_if_fail (tail != NULL);
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pad = gst_element_get_static_pad (head, "sink");
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GST_DEBUG_OBJECT (self, "Ghosting bin sink pad to %" GST_PTR_FORMAT, pad);
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), pad);
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gst_object_unref (pad);
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pad = gst_element_get_static_pad (tail, "src");
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GST_DEBUG_OBJECT (self, "Ghosting bin src pad to %" GST_PTR_FORMAT, pad);
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), pad);
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gst_object_unref (pad);
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}
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static void
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gst_play_sink_convert_bin_remove_element (GstElement * element,
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GstPlaySinkConvertBin * self)
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{
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gst_element_set_state (element, GST_STATE_NULL);
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gst_object_unref (element);
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gst_bin_remove (GST_BIN_CAST (self), element);
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}
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static void
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gst_play_sink_convert_bin_on_element_added (GstElement * element,
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GstPlaySinkConvertBin * self)
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{
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gst_element_sync_state_with_parent (element);
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}
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static GstPadProbeReturn
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pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
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{
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GstPlaySinkConvertBin *self = user_data;
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GstPad *peer;
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GstCaps *caps;
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gboolean raw;
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if (GST_IS_EVENT (info->data) && !GST_EVENT_IS_SERIALIZED (info->data)) {
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GST_DEBUG_OBJECT (self, "Letting non-serialized event %s pass",
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GST_EVENT_TYPE_NAME (info->data));
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return GST_PAD_PROBE_PASS;
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}
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GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
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GST_DEBUG_OBJECT (self, "Pad blocked");
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/* There must be a peer at this point */
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peer = gst_pad_get_peer (self->sinkpad);
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caps = gst_pad_get_current_caps (peer);
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if (!caps)
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caps = gst_pad_query_caps (peer, NULL);
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gst_object_unref (peer);
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raw = is_raw_caps (caps, self->audio);
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GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
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gst_caps_unref (caps);
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if (raw == self->raw)
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goto unblock;
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self->raw = raw;
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
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if (raw) {
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GST_DEBUG_OBJECT (self, "Switching to raw conversion pipeline");
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if (self->conversion_elements)
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g_list_foreach (self->conversion_elements,
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(GFunc) gst_play_sink_convert_bin_on_element_added, self);
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} else {
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GST_DEBUG_OBJECT (self, "Switch to passthrough pipeline");
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gst_play_sink_convert_bin_on_element_added (self->identity, self);
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}
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gst_play_sink_convert_bin_set_targets (self, !raw);
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unblock:
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self->sink_proxypad_block_id = 0;
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GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
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return GST_PAD_PROBE_REMOVE;
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}
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static gboolean
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gst_play_sink_convert_bin_sink_event (GstPad * pad, GstObject * parent,
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GstEvent * event)
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{
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GstPlaySinkConvertBin *self = GST_PLAY_SINK_CONVERT_BIN (parent);
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gboolean ret;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_CAPS:
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{
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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gst_play_sink_convert_bin_sink_setcaps (self, caps);
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break;
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}
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default:
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break;
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}
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ret = gst_pad_event_default (pad, parent, gst_event_ref (event));
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gst_event_unref (event);
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return ret;
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}
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static void
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block_proxypad (GstPlaySinkConvertBin * self)
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{
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if (self->sink_proxypad_block_id == 0) {
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self->sink_proxypad_block_id =
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gst_pad_add_probe (self->sink_proxypad,
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GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, pad_blocked_cb, self, NULL);
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}
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}
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static void
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unblock_proxypad (GstPlaySinkConvertBin * self)
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{
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if (self->sink_proxypad_block_id != 0) {
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gst_pad_remove_probe (self->sink_proxypad, self->sink_proxypad_block_id);
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self->sink_proxypad_block_id = 0;
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}
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}
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static void
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gst_play_sink_convert_bin_sink_setcaps (GstPlaySinkConvertBin * self,
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GstCaps * caps)
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{
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GstStructure *s;
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const gchar *name;
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gboolean reconfigure = FALSE;
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gboolean raw;
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GST_DEBUG_OBJECT (self, "Setting sink caps %" GST_PTR_FORMAT, caps);
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GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
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s = gst_caps_get_structure (caps, 0);
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name = gst_structure_get_name (s);
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if (self->audio) {
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raw = g_str_equal (name, "audio/x-raw");
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} else {
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raw = g_str_equal (name, "video/x-raw");
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}
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GST_DEBUG_OBJECT (self, "raw %d, self->raw %d, blocked %d",
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raw, self->raw, gst_pad_is_blocked (self->sink_proxypad));
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if (raw) {
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if (!gst_pad_is_blocked (self->sink_proxypad)) {
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GstPad *target = gst_ghost_pad_get_target (GST_GHOST_PAD (self->sinkpad));
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if (!self->raw || (target && !gst_pad_query_accept_caps (target, caps))) {
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if (!self->raw)
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GST_DEBUG_OBJECT (self, "Changing caps from non-raw to raw");
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else
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GST_DEBUG_OBJECT (self, "Changing caps in an incompatible way");
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reconfigure = TRUE;
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block_proxypad (self);
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}
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if (target)
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gst_object_unref (target);
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}
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} else {
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if (self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
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GST_DEBUG_OBJECT (self, "Changing caps from raw to non-raw");
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reconfigure = TRUE;
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block_proxypad (self);
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}
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}
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/* Otherwise the setcaps below fails */
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if (reconfigure) {
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
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gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
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}
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GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
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}
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#define GST_PLAY_SINK_CONVERT_BIN_FILTER_CAPS(filter,caps) G_STMT_START { \
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if ((filter)) { \
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GstCaps *intersection = \
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gst_caps_intersect_full ((filter), (caps), GST_CAPS_INTERSECT_FIRST); \
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gst_caps_unref ((caps)); \
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(caps) = intersection; \
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} \
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} G_STMT_END
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static gboolean
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gst_play_sink_convert_bin_acceptcaps (GstPad * pad, GstCaps * caps)
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{
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GstPlaySinkConvertBin *self =
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GST_PLAY_SINK_CONVERT_BIN (gst_pad_get_parent (pad));
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gboolean ret;
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GstPad *otherpad;
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GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
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if (pad == self->srcpad) {
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otherpad = self->sinkpad;
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} else if (pad == self->sinkpad) {
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otherpad = self->srcpad;
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} else {
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GST_ERROR_OBJECT (pad, "Not one of our pads");
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otherpad = NULL;
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}
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if (otherpad) {
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ret = gst_pad_peer_query_accept_caps (otherpad, caps);
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if (!ret && self->converter_caps) {
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/* maybe we can convert */
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ret = gst_caps_can_intersect (caps, self->converter_caps);
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}
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} else {
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ret = TRUE;
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}
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GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
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gst_object_unref (self);
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GST_DEBUG_OBJECT (pad, "Accept caps: '%" GST_PTR_FORMAT "' %d", caps, ret);
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return ret;
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}
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static GstCaps *
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gst_play_sink_convert_bin_getcaps (GstPad * pad, GstCaps * filter)
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{
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GstPlaySinkConvertBin *self =
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GST_PLAY_SINK_CONVERT_BIN (gst_pad_get_parent (pad));
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GstCaps *ret;
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GstPad *otherpad, *peer;
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GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
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if (pad == self->srcpad) {
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otherpad = self->sinkpad;
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} else if (pad == self->sinkpad) {
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otherpad = self->srcpad;
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} else {
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GST_ERROR_OBJECT (pad, "Not one of our pads");
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otherpad = NULL;
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}
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if (otherpad) {
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peer = gst_pad_get_peer (otherpad);
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if (peer) {
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GstCaps *peer_caps;
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GstCaps *downstream_filter = NULL;
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/* Add all the caps that we can convert to to the filter caps,
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* otherwise downstream might just return EMPTY caps because
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* it doesn't handle the filter caps but we could still convert
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* to these caps */
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if (filter) {
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guint i, n;
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downstream_filter = gst_caps_new_empty ();
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/* Intersect raw video caps in the filter caps with the converter
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* caps. This makes sure that we don't accept raw video that we
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* can't handle, e.g. because of caps features */
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n = gst_caps_get_size (filter);
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for (i = 0; i < n; i++) {
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GstStructure *s;
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GstCaps *tmp, *tmp2;
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s = gst_structure_copy (gst_caps_get_structure (filter, i));
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if (gst_structure_has_name (s,
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self->audio ? "audio/x-raw" : "video/x-raw")) {
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tmp = gst_caps_new_full (s, NULL);
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tmp2 = gst_caps_intersect (tmp, self->converter_caps);
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gst_caps_append (downstream_filter, tmp2);
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gst_caps_unref (tmp);
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} else {
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gst_caps_append_structure (downstream_filter, s);
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}
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}
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downstream_filter =
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gst_caps_merge (downstream_filter,
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gst_caps_ref (self->converter_caps));
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}
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peer_caps = gst_pad_query_caps (peer, downstream_filter);
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if (downstream_filter)
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gst_caps_unref (downstream_filter);
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gst_object_unref (peer);
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if (self->converter_caps && is_raw_caps (peer_caps, self->audio)) {
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GstCaps *converter_caps = gst_caps_ref (self->converter_caps);
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GstCapsFeatures *cf;
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GstStructure *s;
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guint i, n;
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ret = gst_caps_make_writable (peer_caps);
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/* Filter out ANY capsfeatures from the converter caps. We can't
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* convert to ANY capsfeatures, they are only there so that we
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* can passthrough whatever downstream can support... but we
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* definitely don't want to return them here
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*/
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n = gst_caps_get_size (converter_caps);
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for (i = 0; i < n; i++) {
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s = gst_caps_get_structure (converter_caps, i);
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cf = gst_caps_get_features (converter_caps, i);
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if (cf && gst_caps_features_is_any (cf))
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continue;
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ret =
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gst_caps_merge_structure_full (ret, gst_structure_copy (s),
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(cf ? gst_caps_features_copy (cf) : NULL));
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}
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gst_caps_unref (converter_caps);
|
|
} else {
|
|
ret = peer_caps;
|
|
}
|
|
} else {
|
|
ret = gst_caps_ref (self->converter_caps);
|
|
}
|
|
GST_PLAY_SINK_CONVERT_BIN_FILTER_CAPS (filter, ret);
|
|
|
|
} else {
|
|
ret = filter ? gst_caps_ref (filter) : gst_caps_new_any ();
|
|
}
|
|
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
|
|
|
|
gst_object_unref (self);
|
|
|
|
GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_play_sink_convert_bin_query (GstPad * pad, GstObject * parent,
|
|
GstQuery * query)
|
|
{
|
|
gboolean res = FALSE;
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CAPS:
|
|
{
|
|
GstCaps *filter, *caps;
|
|
|
|
gst_query_parse_caps (query, &filter);
|
|
caps = gst_play_sink_convert_bin_getcaps (pad, filter);
|
|
gst_query_set_caps_result (query, caps);
|
|
gst_caps_unref (caps);
|
|
res = TRUE;
|
|
break;
|
|
}
|
|
case GST_QUERY_ACCEPT_CAPS:
|
|
{
|
|
gboolean ret;
|
|
GstCaps *caps;
|
|
|
|
gst_query_parse_accept_caps (query, &caps);
|
|
ret = gst_play_sink_convert_bin_acceptcaps (pad, caps);
|
|
gst_query_set_accept_caps_result (query, ret);
|
|
res = TRUE;
|
|
break;
|
|
}
|
|
default:
|
|
res = gst_pad_query_default (pad, parent, query);
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
void
|
|
gst_play_sink_convert_bin_remove_elements (GstPlaySinkConvertBin * self)
|
|
{
|
|
if (self->conversion_elements) {
|
|
g_list_foreach (self->conversion_elements,
|
|
(GFunc) gst_play_sink_convert_bin_remove_element, self);
|
|
g_list_free (self->conversion_elements);
|
|
self->conversion_elements = NULL;
|
|
}
|
|
if (self->converter_caps) {
|
|
gst_caps_unref (self->converter_caps);
|
|
self->converter_caps = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_play_sink_convert_bin_dispose (GObject * object)
|
|
{
|
|
GstPlaySinkConvertBin *self = GST_PLAY_SINK_CONVERT_BIN_CAST (object);
|
|
|
|
gst_play_sink_convert_bin_remove_elements (self);
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
gst_play_sink_convert_bin_finalize (GObject * object)
|
|
{
|
|
GstPlaySinkConvertBin *self = GST_PLAY_SINK_CONVERT_BIN_CAST (object);
|
|
|
|
gst_object_unref (self->sink_proxypad);
|
|
g_mutex_clear (&self->lock);
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
void
|
|
gst_play_sink_convert_bin_cache_converter_caps (GstPlaySinkConvertBin * self)
|
|
{
|
|
GstElement *head;
|
|
GstPad *pad;
|
|
|
|
if (self->converter_caps) {
|
|
gst_caps_unref (self->converter_caps);
|
|
self->converter_caps = NULL;
|
|
}
|
|
|
|
if (!self->conversion_elements) {
|
|
GST_INFO_OBJECT (self, "No conversion elements");
|
|
return;
|
|
}
|
|
|
|
head = GST_ELEMENT (g_list_first (self->conversion_elements)->data);
|
|
pad = gst_element_get_static_pad (head, "sink");
|
|
if (!pad) {
|
|
GST_WARNING_OBJECT (self, "No sink pad found");
|
|
return;
|
|
}
|
|
|
|
self->converter_caps = gst_pad_query_caps (pad, NULL);
|
|
GST_INFO_OBJECT (self, "Converter caps: %" GST_PTR_FORMAT,
|
|
self->converter_caps);
|
|
|
|
gst_object_unref (pad);
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_play_sink_convert_bin_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn ret;
|
|
GstPlaySinkConvertBin *self = GST_PLAY_SINK_CONVERT_BIN_CAST (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
|
|
unblock_proxypad (self);
|
|
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
|
|
gst_play_sink_convert_bin_set_targets (self, TRUE);
|
|
self->raw = FALSE;
|
|
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
|
return ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
|
|
gst_play_sink_convert_bin_set_targets (self, TRUE);
|
|
self->raw = FALSE;
|
|
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
|
|
unblock_proxypad (self);
|
|
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_play_sink_convert_bin_class_init (GstPlaySinkConvertBinClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *gstelement_class;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_play_sink_convert_bin_debug,
|
|
"playsinkconvertbin", 0, "play bin");
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
gstelement_class = (GstElementClass *) klass;
|
|
|
|
gobject_class->dispose = gst_play_sink_convert_bin_dispose;
|
|
gobject_class->finalize = gst_play_sink_convert_bin_finalize;
|
|
|
|
gst_element_class_add_static_pad_template (gstelement_class, &srctemplate);
|
|
gst_element_class_add_static_pad_template (gstelement_class, &sinktemplate);
|
|
gst_element_class_set_static_metadata (gstelement_class,
|
|
"Player Sink Converter Bin", "Bin/Converter",
|
|
"Convenience bin for audio/video conversion",
|
|
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
|
|
|
|
gstelement_class->change_state =
|
|
GST_DEBUG_FUNCPTR (gst_play_sink_convert_bin_change_state);
|
|
}
|
|
|
|
static void
|
|
gst_play_sink_convert_bin_init (GstPlaySinkConvertBin * self)
|
|
{
|
|
GstPadTemplate *templ;
|
|
|
|
g_mutex_init (&self->lock);
|
|
|
|
templ = gst_static_pad_template_get (&sinktemplate);
|
|
self->sinkpad = gst_ghost_pad_new_no_target_from_template ("sink", templ);
|
|
gst_pad_set_event_function (self->sinkpad,
|
|
GST_DEBUG_FUNCPTR (gst_play_sink_convert_bin_sink_event));
|
|
gst_pad_set_query_function (self->sinkpad,
|
|
GST_DEBUG_FUNCPTR (gst_play_sink_convert_bin_query));
|
|
|
|
self->sink_proxypad =
|
|
GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (self->sinkpad)));
|
|
|
|
gst_element_add_pad (GST_ELEMENT_CAST (self), self->sinkpad);
|
|
gst_object_unref (templ);
|
|
|
|
templ = gst_static_pad_template_get (&srctemplate);
|
|
self->srcpad = gst_ghost_pad_new_no_target_from_template ("src", templ);
|
|
gst_pad_set_query_function (self->srcpad,
|
|
GST_DEBUG_FUNCPTR (gst_play_sink_convert_bin_query));
|
|
gst_element_add_pad (GST_ELEMENT_CAST (self), self->srcpad);
|
|
gst_object_unref (templ);
|
|
|
|
gst_play_sink_convert_bin_add_identity (self);
|
|
}
|