From 1a293825c71a0803c9032f357f934aee6b54fe79 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Mon, 20 Dec 2004 17:54:16 +0000
Subject: Various plugin updates to have something to play with.

Original commit message from CVS:
Various plugin updates to have something to play with.
---
 examples/negotiation/colorspace.c | 97 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 examples/negotiation/colorspace.c

(limited to 'examples/negotiation/colorspace.c')

diff --git a/examples/negotiation/colorspace.c b/examples/negotiation/colorspace.c
new file mode 100644
index 00000000..b970a1c7
--- /dev/null
+++ b/examples/negotiation/colorspace.c
@@ -0,0 +1,97 @@
+/*
+ * colorspace.c
+ *
+ * demo application for negotiation of a simple plugin.
+ */
+
+#include <string.h>
+#include <gst/gst.h>
+
+static GstElement *pipeline;
+static GstElement *space;
+
+static GstPad *src;
+static GstPad *sink;
+static GstPad *test;
+
+static gboolean caught_error = FALSE;
+static GMainLoop *loop;
+
+static gboolean
+message_received (GstBus * bus, GstMessage * message, gpointer data)
+{
+  switch (GST_MESSAGE_TYPE (message)) {
+    case GST_MESSAGE_EOS:
+      if (g_main_loop_is_running (loop))
+        g_main_loop_quit (loop);
+      break;
+    case GST_MESSAGE_ERROR:
+      gst_object_default_error (GST_MESSAGE_SRC (message),
+          GST_MESSAGE_ERROR_GERROR (message),
+          GST_MESSAGE_ERROR_DEBUG (message));
+      caught_error = TRUE;
+      if (g_main_loop_is_running (loop))
+        g_main_loop_quit (loop);
+      break;
+    default:
+      break;
+  }
+  gst_message_unref (message);
+
+  return TRUE;
+}
+
+static GstFlowReturn
+my_chain (GstPad * pad, GstBuffer * buffer)
+{
+  g_print ("got buffer\n");
+  return GST_FLOW_OK;
+}
+
+int
+main (int argc, char *argv[])
+{
+  GstBus *bus;
+  GstBuffer *buffer;
+
+  gst_init (&argc, &argv);
+
+  pipeline = gst_pipeline_new ("pipeline");
+  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+  loop = g_main_loop_new (NULL, FALSE);
+  gst_bus_add_watch (bus, message_received, pipeline);
+
+  space = gst_element_factory_make ("ffmpegcolorspace", "space");
+
+  gst_bin_add (GST_BIN (pipeline), space);
+
+  sink = gst_element_get_pad (space, "sink");
+  src = gst_element_get_pad (space, "src");
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  test = gst_pad_new ("test", GST_PAD_SINK);
+  gst_pad_set_chain_function (test, my_chain);
+
+  gst_pad_link (src, test);
+  gst_pad_set_active (test, TRUE);
+
+  gst_pad_set_caps (sink,
+      gst_caps_new_simple ("video/x-raw-yuv",
+          "format", GST_TYPE_FOURCC, GST_STR_FOURCC ("YUY2"),
+          "width", G_TYPE_INT, 240,
+          "height", G_TYPE_INT, 120, "framerate", G_TYPE_DOUBLE, 30.0, NULL));
+
+  while (g_main_context_iteration (NULL, FALSE));
+
+  buffer = gst_buffer_new ();
+
+  GST_REAL_PAD (sink)->chainfunc (sink, buffer);
+
+  while (g_main_context_iteration (NULL, FALSE));
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  gst_object_unref (GST_OBJECT (pipeline));
+
+  return 0;
+}
-- 
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