Added basic tutorial 6

diff --git a/gst-sdk/tutorials/basic-tutorial-6.c b/gst-sdk/tutorials/basic-tutorial-6.c
new file mode 100644 (file)
index 0000000..0715a51
--- /dev/null
+++ b/gst-sdk/tutorials/basic-tutorial-6.c
@@ -0,0 +1,203 @@
+#include <gst/gst.h>\r
+  \r
+/* Functions below print the Capabilities in a human-friendly format */\r
+static gboolean print_field (GQuark field, const GValue * value, gpointer pfx) {\r
+  gchar *str = gst_value_serialize (value);\r
+  \r
+  g_print ("%s  %15s: %s\n", (gchar *) pfx, g_quark_to_string (field), str);\r
+  g_free (str);\r
+  return TRUE;\r
+}\r
+  \r
+static void print_caps (const GstCaps * caps, const gchar * pfx) {\r
+  guint i;\r
+  \r
+  g_return_if_fail (caps != NULL);\r
+  \r
+  if (gst_caps_is_any (caps)) {\r
+    g_print ("%sANY\n", pfx);\r
+    return;\r
+  }\r
+  if (gst_caps_is_empty (caps)) {\r
+    g_print ("%sEMPTY\n", pfx);\r
+    return;\r
+  }\r
+  \r
+  for (i = 0; i < gst_caps_get_size (caps); i++) {\r
+    GstStructure *structure = gst_caps_get_structure (caps, i);\r
+    \r
+    g_print ("%s%s\n", pfx, gst_structure_get_name (structure));\r
+    gst_structure_foreach (structure, print_field, (gpointer) pfx);\r
+  }\r
+}\r
+  \r
+/* Prints information about a Pad Template, including its Capabilities */\r
+static void print_pad_templates_information (GstElementFactory * factory) {\r
+  const GList *pads;\r
+  GstStaticPadTemplate *padtemplate;\r
+  \r
+  g_print ("Pad Templates for %s:\n", gst_element_factory_get_longname (factory));\r
+  if (!factory->numpadtemplates) {\r
+    g_print ("  none\n");\r
+    return;\r
+  }\r
+  \r
+  pads = factory->staticpadtemplates;\r
+  while (pads) {\r
+    padtemplate = (GstStaticPadTemplate *) (pads->data);\r
+    pads = g_list_next (pads);\r
+    \r
+    if (padtemplate->direction == GST_PAD_SRC)\r
+      g_print ("  SRC template: '%s'\n", padtemplate->name_template);\r
+    else if (padtemplate->direction == GST_PAD_SINK)\r
+      g_print ("  SINK template: '%s'\n", padtemplate->name_template);\r
+    else\r
+      g_print ("  UNKNOWN!!! template: '%s'\n", padtemplate->name_template);\r
+    \r
+    if (padtemplate->presence == GST_PAD_ALWAYS)\r
+      g_print ("    Availability: Always\n");\r
+    else if (padtemplate->presence == GST_PAD_SOMETIMES)\r
+      g_print ("    Availability: Sometimes\n");\r
+    else if (padtemplate->presence == GST_PAD_REQUEST) {\r
+      g_print ("    Availability: On request\n");\r
+    } else\r
+      g_print ("    Availability: UNKNOWN!!!\n");\r
+    \r
+    if (padtemplate->static_caps.string) {\r
+      g_print ("    Capabilities:\n");\r
+      print_caps (gst_static_caps_get (&padtemplate->static_caps), "      ");\r
+    }\r
+    \r
+    g_print ("\n");\r
+  }\r
+}\r
+  \r
+/* Shows the CURRENT capabilities of the requested pad in the given element */\r
+static void print_pad_capabilities (GstElement *element, gchar *pad_name) {\r
+  GstPad *pad = NULL;\r
+  GstCaps *caps = NULL;\r
+  \r
+  /* Retrieve pad */\r
+  pad = gst_element_get_static_pad (element, pad_name);\r
+  if (!pad) {\r
+    g_printerr ("Could not retrieve pad '%s'\n", pad_name);\r
+    return;\r
+  }\r
+  \r
+  /* Retrieve negotiated caps (or acceptable caps if negotiation is not finished yet) */\r
+  caps = gst_pad_get_negotiated_caps (pad);\r
+  if (!caps)\r
+    caps = gst_pad_get_caps_reffed (pad);\r
+  \r
+  /* Print and free */\r
+  g_print ("Caps for the %s pad:\n", pad_name);\r
+  print_caps (caps, "      ");\r
+  gst_caps_unref (caps);\r
+  gst_object_unref (pad);\r
+}\r
+  \r
+int main(int argc, char *argv[]) {\r
+  GstElement *pipeline, *source, *sink;\r
+  GstElementFactory *source_factory, *sink_factory;\r
+  GstBus *bus;\r
+  GstMessage *msg;\r
+  GstStateChangeReturn ret;\r
+  gboolean terminate = FALSE;\r
+  \r
+  /* Initialize GStreamer */\r
+  gst_init (&argc, &argv);\r
+   \r
+  /* Create the element factories */\r
+  source_factory = gst_element_factory_find ("audiotestsrc");\r
+  sink_factory = gst_element_factory_find ("autoaudiosink");\r
+  if (!source_factory || !sink_factory) {\r
+    g_printerr ("Not all element factories could be created.\n");\r
+    return -1;\r
+  }\r
+  \r
+  /* Print information about the pad templates of these factories */\r
+  print_pad_templates_information (source_factory);\r
+  print_pad_templates_information (sink_factory);\r
+  \r
+  /* Ask the factories to instantiate actual elements */\r
+  source = gst_element_factory_create (source_factory, "source");\r
+  sink = gst_element_factory_create (sink_factory, "sink");\r
+  \r
+  /* Create the empty pipeline */\r
+  pipeline = gst_pipeline_new ("test-pipeline");\r
+  \r
+  if (!pipeline || !source || !sink) {\r
+    g_printerr ("Not all elements could be created.\n");\r
+    return -1;\r
+  }\r
+  \r
+  /* Build the pipeline */\r
+  gst_bin_add_many (GST_BIN (pipeline), source, sink, NULL);\r
+  if (gst_element_link (source, sink) != TRUE) {\r
+    g_printerr ("Elements could not be linked.\n");\r
+    gst_object_unref (pipeline);\r
+    return -1;\r
+  }\r
+  \r
+  /* Print initial negotiated caps (in NULL state) */\r
+  g_print ("In NULL state:\n");\r
+  print_pad_capabilities (sink, "sink");\r
+  \r
+  /* Start playing */\r
+  ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);\r
+  if (ret == GST_STATE_CHANGE_FAILURE) {\r
+    g_printerr ("Unable to set the pipeline to the playing state (check the bus for error messages).\n");\r
+  }\r
+  \r
+  /* Wait until error, EOS or State Change */\r
+  bus = gst_element_get_bus (pipeline);\r
+  do {\r
+    msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS |\r
+        GST_MESSAGE_STATE_CHANGED);\r
+  \r
+    /* Parse message */\r
+    if (msg != NULL) {\r
+      GError *err;\r
+      gchar *debug_info;\r
+    \r
+      switch (GST_MESSAGE_TYPE (msg)) {\r
+        case GST_MESSAGE_ERROR:\r
+          gst_message_parse_error (msg, &err, &debug_info);\r
+          g_printerr ("Error received from element %s: %s\n", GST_OBJECT_NAME (msg->src), err->message);\r
+          g_printerr ("Debugging information: %s\n", debug_info ? debug_info : "none");\r
+          g_clear_error (&err);\r
+          g_free (debug_info);\r
+          terminate = TRUE;\r
+          break;\r
+        case GST_MESSAGE_EOS:\r
+          g_print ("End-Of-Stream reached.\n");\r
+          terminate = TRUE;\r
+          break;\r
+        case GST_MESSAGE_STATE_CHANGED:\r
+          /* We are only interested in state-changed messages from the pipeline */\r
+          if (GST_MESSAGE_SRC (msg) == GST_OBJECT (pipeline)) {\r
+            GstState old_state, new_state, pending_state;\r
+            gst_message_parse_state_changed (msg, &old_state, &new_state, &pending_state);\r
+            g_print ("\nPipeline state changed from %s to %s:\n",\r
+                gst_element_state_get_name (old_state), gst_element_state_get_name (new_state));\r
+            /* Print the current capabilities of the sink element */\r
+            print_pad_capabilities (sink, "sink");\r
+          }\r
+          break;\r
+        default:\r
+          /* We should not reach here because we only asked for ERRORs, EOS and STATE_CHANGED */\r
+          g_printerr ("Unexpected message received.\n");\r
+          break;\r
+      }\r
+      gst_message_unref (msg);\r
+    }\r
+  } while (!terminate);\r
+  \r
+  /* Free resources */\r
+  gst_object_unref (bus);\r
+  gst_element_set_state (pipeline, GST_STATE_NULL);\r
+  gst_object_unref (pipeline);\r
+  gst_object_unref (source_factory);\r
+  gst_object_unref (sink_factory);\r
+  return 0;\r
+}\r

diff --git a/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj b/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj
new file mode 100644 (file)
index 0000000..dc20935
--- /dev/null
+++ b/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="utf-8"?>\r
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">\r
+  <ItemGroup Label="ProjectConfigurations">\r
+    <ProjectConfiguration Include="Debug|Win32">\r
+      <Configuration>Debug</Configuration>\r
+      <Platform>Win32</Platform>\r
+    </ProjectConfiguration>\r
+    <ProjectConfiguration Include="Release|Win32">\r
+      <Configuration>Release</Configuration>\r
+      <Platform>Win32</Platform>\r
+    </ProjectConfiguration>\r
+  </ItemGroup>\r
+  <PropertyGroup Label="Globals">\r
+    <ProjectGuid>{A2A55F96-F759-4AF6-84EB-96ABD9D82410}</ProjectGuid>\r
+    <Keyword>Win32Proj</Keyword>\r
+    <RootNamespace>basictutorial6</RootNamespace>\r
+  </PropertyGroup>\r
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />\r
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">\r
+    <ConfigurationType>Application</ConfigurationType>\r
+    <UseDebugLibraries>true</UseDebugLibraries>\r
+  </PropertyGroup>\r
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">\r
+    <ConfigurationType>Application</ConfigurationType>\r
+    <UseDebugLibraries>false</UseDebugLibraries>\r
+    <WholeProgramOptimization>true</WholeProgramOptimization>\r
+    <CharacterSet>Unicode</CharacterSet>\r
+  </PropertyGroup>\r
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />\r
+  <ImportGroup Label="ExtensionSettings">\r
+  </ImportGroup>\r
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">\r
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />\r
+    <Import Project="..\..\libs\gstreamer-0.10.props" />\r
+    <Import Project="..\..\libs\msvc\x86.props" />\r
+  </ImportGroup>\r
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">\r
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />\r
+    <Import Project="..\..\libs\gstreamer-0.10.props" />\r
+    <Import Project="..\..\libs\msvc\x86.props" />\r
+  </ImportGroup>\r
+  <PropertyGroup Label="UserMacros" />\r
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">\r
+    <LinkIncremental>true</LinkIncremental>\r
+  </PropertyGroup>\r
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">\r
+    <LinkIncremental>false</LinkIncremental>\r
+  </PropertyGroup>\r
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">\r
+    <ClCompile>\r
+      <PrecompiledHeader>\r
+      </PrecompiledHeader>\r
+      <WarningLevel>Level3</WarningLevel>\r
+      <Optimization>Disabled</Optimization>\r
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>\r
+    </ClCompile>\r
+    <Link>\r
+      <SubSystem>Console</SubSystem>\r
+      <GenerateDebugInformation>true</GenerateDebugInformation>\r
+    </Link>\r
+  </ItemDefinitionGroup>\r
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">\r
+    <ClCompile>\r
+      <WarningLevel>Level3</WarningLevel>\r
+      <PrecompiledHeader>\r
+      </PrecompiledHeader>\r
+      <Optimization>MaxSpeed</Optimization>\r
+      <FunctionLevelLinking>true</FunctionLevelLinking>\r
+      <IntrinsicFunctions>true</IntrinsicFunctions>\r
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>\r
+    </ClCompile>\r
+    <Link>\r
+      <SubSystem>Console</SubSystem>\r
+      <GenerateDebugInformation>true</GenerateDebugInformation>\r
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>\r
+      <OptimizeReferences>true</OptimizeReferences>\r
+    </Link>\r
+  </ItemDefinitionGroup>\r
+  <ItemGroup>\r
+    <ClCompile Include="..\..\..\..\gst-sdk\tutorials\basic-tutorial-6.c" />\r
+  </ItemGroup>\r
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />\r
+  <ImportGroup Label="ExtensionTargets">\r
+  </ImportGroup>\r
+</Project>
\ No newline at end of file

diff --git a/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj.filters b/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj.filters
new file mode 100644 (file)
index 0000000..95ed60a
--- /dev/null
+++ b/vs/2010/tutorials/basic-tutorial-6/basic-tutorial-6.vcxproj.filters
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>\r
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">\r
+  <ItemGroup>\r
+    <ClCompile Include="..\..\..\..\gst-sdk\tutorials\basic-tutorial-6.c" />\r
+  </ItemGroup>\r
+</Project>
\ No newline at end of file

diff --git a/vs/2010/tutorials/tutorials.sln b/vs/2010/tutorials/tutorials.sln
index 67ed944..15fdf51 100644 (file)
--- a/vs/2010/tutorials/tutorials.sln
+++ b/vs/2010/tutorials/tutorials.sln
@@ -15,6 +15,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "playback-tutorial-1", "play
 EndProject\r
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "playback-tutorial-2", "playback-tutorial-2\playback-tutorial-2.vcxproj", "{4319F5D7-039A-44B5-B1A7-507DC627B24D}"\r
 EndProject\r
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "basic-tutorial-6", "basic-tutorial-6\basic-tutorial-6.vcxproj", "{A2A55F96-F759-4AF6-84EB-96ABD9D82410}"\r
+EndProject\r
 Global\r
        GlobalSection(SolutionConfigurationPlatforms) = preSolution\r
                Debug|Win32 = Debug|Win32\r
@@ -49,6 +51,10 @@ Global
                {4319F5D7-039A-44B5-B1A7-507DC627B24D}.Debug|Win32.Build.0 = Debug|Win32\r
                {4319F5D7-039A-44B5-B1A7-507DC627B24D}.Release|Win32.ActiveCfg = Release|Win32\r
                {4319F5D7-039A-44B5-B1A7-507DC627B24D}.Release|Win32.Build.0 = Release|Win32\r
+               {A2A55F96-F759-4AF6-84EB-96ABD9D82410}.Debug|Win32.ActiveCfg = Debug|Win32\r
+               {A2A55F96-F759-4AF6-84EB-96ABD9D82410}.Debug|Win32.Build.0 = Debug|Win32\r
+               {A2A55F96-F759-4AF6-84EB-96ABD9D82410}.Release|Win32.ActiveCfg = Release|Win32\r
+               {A2A55F96-F759-4AF6-84EB-96ABD9D82410}.Release|Win32.Build.0 = Release|Win32\r
        EndGlobalSection\r
        GlobalSection(SolutionProperties) = preSolution\r
                HideSolutionNode = FALSE\r