Added tutorial 12

gst-sdk/tutorials/basic-tutorial-12.c

@@ -0,0 +1,110 @@
+#include <gst/gst.h>
+#include <string.h>
+  
+typedef struct _CustomData {
+  gboolean is_live;
+  GstElement *pipeline;
+  GMainLoop *loop;
+} CustomData;
+  
+/* playbin2 flags */
+typedef enum {
+  GST_PLAY_FLAG_BUFFERING     = (1 << 8)  /* We want to allow buffering */
+} GstPlayFlags;
+  
+static void cb_message (GstBus *bus, GstMessage *msg, CustomData *data) {
+  
+  switch (GST_MESSAGE_TYPE (msg)) {
+    case GST_MESSAGE_ERROR: {
+      GError *err;
+      gchar *debug;
+      
+      gst_message_parse_error (msg, &err, &debug);
+      g_print ("Error: %s\n", err->message);
+      g_error_free (err);
+      g_free (debug);
+      
+      gst_element_set_state (data->pipeline, GST_STATE_READY);
+      g_main_loop_quit (data->loop);
+      break;
+    }
+    case GST_MESSAGE_EOS:
+      /* end-of-stream */
+      gst_element_set_state (data->pipeline, GST_STATE_READY);
+      g_main_loop_quit (data->loop);
+      break;
+    case GST_MESSAGE_CLOCK_LOST:
+      /* Get a new clock */
+      gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
+      gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
+      break;
+    case GST_MESSAGE_BUFFERING: {
+      gint percent = 0;
+      
+      /* If the stream is live, we do not care about buffering. */
+      if (data->is_live) break;
+      
+      gst_message_parse_buffering (msg, &percent);
+      g_print ("Buffering (%3d%%)\r", percent);
+      /* Wait until buffering is complete before start/resume playing */
+      if (percent < 100)
+        gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
+      else
+        gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
+      break;
+    }
+    default:
+      /* Unhandled message */
+      break;
+    }
+}
+  
+int main(int argc, char *argv[]) {
+  GstElement *pipeline;
+  GstBus *bus;
+  GstStateChangeReturn ret;
+  GMainLoop *main_loop;
+  CustomData data;
+  guint flags;
+  
+  /* Initialize GStreamer */
+  gst_init (&argc, &argv);
+  
+  /* Initialize our data structure */
+  memset (&data, 0, sizeof (data));
+  
+  /* Build the pipeline */
+  pipeline = gst_parse_launch ("playbin2 uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL);
+  bus = gst_element_get_bus (pipeline);
+  
+  /* Set the buffering flag */
+  g_object_get (pipeline, "flags", &flags, NULL);
+  flags |= GST_PLAY_FLAG_BUFFERING;
+  g_object_set (pipeline, "flags", flags, NULL);
+   
+  /* Start playing */
+  ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  if (ret == GST_STATE_CHANGE_FAILURE) {
+    g_printerr ("Unable to set the pipeline to the playing state.\n");
+    gst_object_unref (pipeline);
+    return -1;
+  } else if (ret == GST_STATE_CHANGE_NO_PREROLL) {
+    data.is_live = TRUE;
+  }
+  
+  main_loop = g_main_loop_new (NULL, FALSE);
+  data.loop = main_loop;
+  data.pipeline = pipeline;
+  
+  gst_bus_add_signal_watch (bus);
+  g_signal_connect (bus, "message", G_CALLBACK (cb_message), &data);
+  
+  g_main_loop_run (main_loop);
+  
+  /* Free resources */
+  g_main_loop_unref (main_loop);
+  gst_object_unref (bus);
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+  gst_object_unref (pipeline);
+  return 0;
+}

gst-sdk/tutorials/vs2010/basic-tutorial-12/basic-tutorial-12.vcxproj

@@ -19,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\basic-tutorial-10.c" />
+    <ClCompile Include="..\..\basic-tutorial-12.c" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <Keyword>Win32Proj</Keyword>

gst-sdk/tutorials/vs2010/basic-tutorial-12/basic-tutorial-12.vcxproj.filters

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="..\..\basic-tutorial-10.c" />
+    <ClCompile Include="..\..\basic-tutorial-12.c" />
   </ItemGroup>
 </Project>

gst-sdk/tutorials/vs2010/tutorials.sln

@@ -23,6 +23,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "playback-tutorial-2", "play
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "basic-tutorial-9", "basic-tutorial-9\basic-tutorial-9.vcxproj", "{7B61F2C6-5202-48B7-8589-164F81BC636C}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "basic-tutorial-12", "basic-tutorial-12\basic-tutorial-12.vcxproj", "{A2E63C29-3375-4930-B7D3-2F23EC824EAF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -119,6 +121,14 @@ Global
 		{7B61F2C6-5202-48B7-8589-164F81BC636C}.Release|Win32.Build.0 = Release|Win32
 		{7B61F2C6-5202-48B7-8589-164F81BC636C}.Release|x64.ActiveCfg = Release|x64
 		{7B61F2C6-5202-48B7-8589-164F81BC636C}.Release|x64.Build.0 = Release|x64
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Debug|Win32.ActiveCfg = Debug|Win32
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Debug|Win32.Build.0 = Debug|Win32
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Debug|x64.ActiveCfg = Debug|x64
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Debug|x64.Build.0 = Debug|x64
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Release|Win32.ActiveCfg = Release|Win32
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Release|Win32.Build.0 = Release|Win32
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Release|x64.ActiveCfg = Release|x64
+		{A2E63C29-3375-4930-B7D3-2F23EC824EAF}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE