From c29edc61afd14a6b59da7ba5c5c9f9fd54d1d397 Mon Sep 17 00:00:00 2001
From: Nirbheek Chauhan <nirbheek@centricular.com>
Date: Wed, 9 Jul 2014 18:40:55 +0530
Subject: main/appsink: Don't hard-code element names

---
 src/lib.c  | 13 +++++--------
 src/lib.h  |  1 +
 src/main.c | 10 ++++------
 3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/lib.c b/src/lib.c
index 8e0616f..fc21cde 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -60,7 +60,6 @@ pad_blocked_cleanup_cb (GstPad             *srcpad,
                         GstPadProbeInfo    *info,
                         TranscodeClientCtx *ctx)
 {
-  GstPad *sinkpad;
   GstElement *tee;
   GstElement *sinkbin = GST_ELEMENT (gst_element_get_parent (ctx->appsink));
 
@@ -69,13 +68,12 @@ pad_blocked_cleanup_cb (GstPad             *srcpad,
   gst_pad_remove_probe (srcpad, GST_PAD_PROBE_INFO_ID (info));
 
   tee = gst_pad_get_parent_element (srcpad);
-  sinkpad = gst_element_get_static_pad (sinkbin, "qsink");
-  gst_pad_unlink (srcpad, sinkpad);
+  gst_pad_unlink (srcpad, ctx->ghostsinkpad);
   gst_element_remove_pad (tee, srcpad);
-
-  gst_object_unref (sinkpad);
+  gst_object_unref (srcpad);
   gst_object_unref (tee);
 
+  gst_element_set_state (sinkbin, GST_STATE_NULL);
   gst_bin_remove (GST_BIN (ctx->server_ctx->pipeline), sinkbin);
   gst_object_unref (sinkbin);
   gst_object_unref (ctx->appsink);
@@ -88,7 +86,7 @@ pad_blocked_cleanup_cb (GstPad             *srcpad,
 void
 stp_cleanup_transcode_client_ctx (TranscodeClientCtx *ctx)
 {
-  GstPad *sinkpad, *srcpad;
+  GstPad *srcpad;
   TranscodeServerCtx *server_ctx = ctx->server_ctx;
   GstElement *sinkbin = GST_ELEMENT (gst_element_get_parent (ctx->appsink));
 
@@ -100,8 +98,7 @@ stp_cleanup_transcode_client_ctx (TranscodeClientCtx *ctx)
     server_ctx->clients = g_list_remove (server_ctx->clients, ctx);
 
   /* Block sinkpad and srcpad, then unlink and remove */
-  sinkpad = gst_element_get_static_pad (sinkbin, "qsink");
-  srcpad = gst_pad_get_peer (sinkpad);
+  srcpad = gst_pad_get_peer (ctx->ghostsinkpad);
 
   gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_BLOCK,
                      (GstPadProbeCallback) pad_blocked_cleanup_cb,
diff --git a/src/lib.h b/src/lib.h
index 187bae7..733212c 100644
--- a/src/lib.h
+++ b/src/lib.h
@@ -33,6 +33,7 @@ struct _TranscodeServerCtx {
 struct _TranscodeClientCtx {
   SoupMessage *msg;
   GstElement *appsink;
+  GstPad *ghostsinkpad;
   gulong first_sample_handler_id;
   /* The transcode server context */
   TranscodeServerCtx *server_ctx;
diff --git a/src/main.c b/src/main.c
index 45a281f..8d016f0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -58,7 +58,6 @@ tee_src_pad_blocked_cb (GstPad             *srcpad,
                         TranscodeClientCtx *ctx)
 {
   GstCaps *caps;
-  GstPad *sinkpad;
   GstBuffer *buffer;
   GstState state;
   GstStateChangeReturn ret;
@@ -71,8 +70,7 @@ tee_src_pad_blocked_cb (GstPad             *srcpad,
   gst_bin_add (GST_BIN (server_ctx->pipeline), sinkbin);
 
   /* t. ! queue ! appsink */
-  sinkpad = gst_element_get_static_pad (sinkbin, "qsink");
-  gst_pad_link (srcpad, sinkpad);
+  gst_pad_link (srcpad, ctx->ghostsinkpad);
 
   /* Send the WebM stream header through the pipeline first */
   caps = gst_pad_get_current_caps (srcpad);
@@ -97,7 +95,6 @@ tee_src_pad_blocked_cb (GstPad             *srcpad,
 
 out:
   gst_caps_unref (caps);
-  gst_object_unref (sinkpad);
   gst_object_unref (sinkbin);
   return GST_PAD_PROBE_OK;
 err:
@@ -261,7 +258,7 @@ GET:
     bin = gst_bin_new (NULL);
 
     /* queue ! appsink */
-    q2 = gst_element_factory_make ("queue", "q2");
+    q2 = gst_element_factory_make ("queue", NULL);
     appsink = gst_element_factory_make ("appsink", NULL);
     g_object_set (appsink, "drop", FALSE,
                   "emit-signals", TRUE,
@@ -270,7 +267,8 @@ GET:
     gst_element_link (q2, appsink);
 
     sinkpadq2 = gst_element_get_static_pad (q2, "sink");
-    gst_element_add_pad (bin, gst_ghost_pad_new ("qsink", sinkpadq2));
+    client_ctx->ghostsinkpad = gst_ghost_pad_new (NULL, sinkpadq2);
+    gst_element_add_pad (bin, client_ctx->ghostsinkpad);
     gst_object_unref (sinkpadq2);
 
     /* Set to PAUSED so the bin can pre-roll */
-- 
cgit v0.11.2-2-gd1dd