adding hermes

Original commit message from CVS:
adding hermes

1 files changed, 501 insertions, 0 deletions

diff --git a/ext/hermes/gstcolorspace.c b/ext/hermes/gstcolorspace.c
new file mode 100644
index 00000000..eebe19b6
--- /dev/null
+++ b/ext/hermes/gstcolorspace.c
@@ -0,0 +1,501 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+#include "gstcolorspace.h"
+#include "yuv2rgb.h"
+
+
+static GstElementDetails colorspace_details = {
+  "Colorspace converter",
+  "Filter/Effect",
+  "Converts video from one colorspace to another",
+  VERSION,
+  "Wim Taymans <wim.taymans@chello.be>",
+  "(C) 2001",
+};
+
+
+/* Stereo signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  ARG_SOURCE,
+  ARG_DEST,
+};
+
+GST_PADTEMPLATE_FACTORY (colorspace_src_template_factory,
+  "src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "colorspace_src",
+    "video/raw",
+     NULL
+  )
+)
+
+GST_PADTEMPLATE_FACTORY (colorspace_sink_template_factory,
+  "sink",
+  GST_PAD_SINK,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "colorspace_sink",
+    "video/raw",
+    NULL
+  )
+)
+
+static void		gst_colorspace_class_init		(GstColorspaceClass *klass);
+static void		gst_colorspace_init			(GstColorspace *space);
+
+static void		gst_colorspace_set_property			(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
+static void		gst_colorspace_get_property			(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+
+static void		gst_colorspace_chain			(GstPad *pad, GstBuffer *buf);
+
+// FIXME
+extern void gst_colorspace_yuy2_to_i420(unsigned char *src, unsigned char *dest, guint width, guint height);
+
+static GstElementClass *parent_class = NULL;
+//static guint gst_colorspace_signals[LAST_SIGNAL] = { 0 };
+
+static GstBufferPool* 
+colorspace_get_bufferpool (GstPad *pad)
+{
+  GstColorspace *space;
+
+  space = GST_COLORSPACE (gst_pad_get_parent (pad));
+
+  if (space->type == GST_COLORSPACE_NONE)
+    return gst_pad_get_bufferpool (space->srcpad);
+  else
+    return NULL;
+}
+
+static gboolean 
+colorspace_setup_converter (GstColorspace *space)
+{
+  gulong from_space, to_space;
+  GstCaps *from_caps, *to_caps;
+
+  from_caps = space->sinkcaps;
+  to_caps = space->srccaps;
+
+  g_return_val_if_fail (to_caps != NULL, FALSE);
+  g_return_val_if_fail (from_caps != NULL, FALSE);
+
+  from_space = gst_caps_get_fourcc_int (from_caps, "format");
+  to_space = gst_caps_get_fourcc_int (to_caps, "format");
+
+  g_warning ("set up converter for %08lx to %08lx\n", from_space, to_space);
+
+  switch (from_space) {
+    case GST_MAKE_FOURCC ('R','G','B',' '):
+      switch (to_space) {
+#ifdef HAVE_LIBHERMES
+        case GST_MAKE_FOURCC ('R','G','B',' '):
+        {
+	  space->source.r = gst_caps_get_int (from_caps, "red_mask");
+	  space->source.g = gst_caps_get_int (from_caps, "green_mask");
+	  space->source.b = gst_caps_get_int (from_caps, "blue_mask");
+	  space->source.a = 0;
+	  space->srcbpp = space->source.bits = gst_caps_get_int (from_caps, "bpp");
+	  space->source.indexed = 0;
+	  space->source.has_colorkey = 0;
+
+	  GST_INFO (0,"source red mask   %08x\n", space->source.r);
+	  GST_INFO (0, "source green mask %08x\n", space->source.g);
+	  GST_INFO (0, "source blue mask  %08x\n", space->source.b);
+	  GST_INFO (0, "source bpp        %08x\n", space->srcbpp);
+
+	  space->dest.r = gst_caps_get_int (to_caps, "red_mask");
+	  space->dest.g = gst_caps_get_int (to_caps, "green_mask");
+	  space->dest.b = gst_caps_get_int (to_caps, "blue_mask");
+	  space->dest.a = 0;
+	  space->destbpp = space->dest.bits = gst_caps_get_int (to_caps, "bpp");
+	  space->dest.indexed = 0;
+	  space->dest.has_colorkey = 0;
+
+	  GST_INFO (0, "dest red mask   %08x\n", space->dest.r);
+	  GST_INFO (0, "dest green mask %08x\n", space->dest.g);
+	  GST_INFO (0, "dest blue mask  %08x\n", space->dest.b);
+	  GST_INFO (0, "dest bpp        %08x\n", space->destbpp);
+
+	  if (!Hermes_ConverterRequest (space->h_handle, &space->source, &space->dest)) {
+	    g_warning ("could not get converter\n");
+	    return FALSE;
+	  }
+	  GST_INFO (0, "converter set up\n");
+          space->type = GST_COLORSPACE_HERMES;
+          break;
+	}
+#endif
+        case GST_MAKE_FOURCC ('Y','U','Y','2'):
+        case GST_MAKE_FOURCC ('I','4','2','0'):
+          g_error ("colorspace: RGB to YUV implement me");
+          break;
+      }
+      break;
+    case GST_MAKE_FOURCC ('Y','U','Y','2'):
+    case GST_MAKE_FOURCC ('I','4','2','0'):
+      switch (to_space) {
+        case GST_MAKE_FOURCC ('R','G','B',' '):
+          g_warning ("colorspace: YUV to RGB");
+
+	  space->destbpp = gst_caps_get_int (to_caps, "bpp");
+	  space->converter = gst_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
+          space->type = GST_COLORSPACE_YUV_RGB;
+          break;
+        case GST_MAKE_FOURCC ('I','4','2','0'):
+          space->type = GST_COLORSPACE_YUY2_I420;
+	  space->destbpp = 12;
+          break;
+      }
+      break;
+  }
+  return TRUE;
+}
+
+static GstPadNegotiateReturn
+colorspace_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
+{
+  GstColorspace* space = GST_COLORSPACE (gst_object_get_parent (GST_OBJECT (pad)));
+  GstCaps *original;
+  gint src_width, src_height;
+
+  GST_DEBUG (GST_CAT_NEGOTIATION, "colorspace: src negotiate\n");
+
+  g_return_val_if_fail (space->sinkcaps != NULL, GST_PAD_NEGOTIATE_FAIL);
+
+  src_width = gst_caps_get_int (space->sinkcaps, "width");
+  src_height = gst_caps_get_int (space->sinkcaps, "height");
+
+  space->width = src_width;
+  space->height = src_height;
+
+  if (*caps==NULL)  {
+    *caps = gst_caps_new ("colorspace_caps",
+		    "video/raw",
+		    gst_props_new (
+			    "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+			    "width",  GST_PROPS_INT (src_width),
+			    "height",  GST_PROPS_INT (src_height),
+			    NULL));
+    space->srccaps = gst_caps_ref (*caps);
+    return GST_PAD_NEGOTIATE_TRY;
+    //return gst_pad_negotiate_proxy (pad, space->sinkpad, caps);
+  }
+
+
+  original = gst_caps_copy (*caps);
+  //g_print ("%d %d\n", src_width, src_height);
+
+  // peers couldn't agree, we need to help
+  switch (gst_caps_get_fourcc_int (original, "format")) {
+    case GST_MAKE_FOURCC ('R','G','B',' '):
+      gst_caps_ref (*caps);
+      if (gst_caps_get_int (*caps, "width") == src_width &&
+          gst_caps_get_int (*caps, "height") == src_height) 
+      {
+        space->srccaps = *caps;
+        if (colorspace_setup_converter (space)) {
+          return GST_PAD_NEGOTIATE_AGREE;
+	}
+      }
+      else {
+        gst_caps_set (*caps, "width", GST_PROPS_INT (src_width));
+        gst_caps_set (*caps, "height", GST_PROPS_INT (src_height));
+
+        space->srccaps = *caps;
+	// FIXME
+	GST_PAD_CAPS (space->srcpad) = gst_caps_ref (*caps);
+
+        return GST_PAD_NEGOTIATE_TRY;
+      }
+      break;
+    case GST_MAKE_FOURCC ('Y','U','Y','2'):
+    case GST_MAKE_FOURCC ('I','4','2','0'):
+      //space->srccaps = original;
+      //fprintf (stderr, "found something suitable\n");
+      return GST_PAD_NEGOTIATE_AGREE;
+    default:
+      *caps = NULL;
+      return GST_PAD_NEGOTIATE_TRY;
+      break;
+  }
+  return GST_PAD_NEGOTIATE_FAIL;
+}
+
+static GstPadNegotiateReturn
+colorspace_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
+{
+  GstColorspace* space = GST_COLORSPACE (gst_object_get_parent (GST_OBJECT (pad)));
+  GstCaps *original;
+
+  GST_DEBUG (GST_CAT_NEGOTIATION, "colorspace: sink negotiate\n");
+  
+  if (*caps==NULL) 
+    return gst_pad_negotiate_proxy (pad, space->srcpad, caps);
+    //return GST_PAD_NEGOTIATE_FAIL;
+
+
+  space->type = GST_COLORSPACE_NONE;
+
+  original = gst_caps_copy (*caps);
+
+  // see if a common format exists between both peers...
+  switch (gst_pad_negotiate_proxy (pad, space->srcpad, caps)) {
+    case GST_PAD_NEGOTIATE_AGREE:
+      //g_print ("colorspace: common format found\n");
+      return GST_PAD_NEGOTIATE_AGREE;
+    default:
+      break;
+  }
+  g_warning ("colorspace: no common format found\n");
+  g_warning ("colorspace: src: %08lx\n", gst_caps_get_fourcc_int (original, "format"));
+
+  // peers couldn't agree, we need to help
+  space->sinkcaps = original;
+
+  /*
+  space->width = gst_caps_get_int (original, "width");
+  space->height = gst_caps_get_int (original, "height");
+
+  space->srccaps = gst_caps_new (
+		  "testcaps",
+		  "video/raw",
+		  gst_props_new (
+		    "format",   GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+		     "width",   GST_PROPS_INT (gst_caps_get_int (original, "width")),
+		     "height",  GST_PROPS_INT (gst_caps_get_int (original, "height")),
+		     NULL
+		     ));
+
+  GST_PAD_CAPS (space->srcpad) = space->srccaps;
+  */
+
+  if (gst_pad_renegotiate (space->srcpad)) {
+    g_warning ("found something suitable\n");
+    if (colorspace_setup_converter (space)) {
+      return GST_PAD_NEGOTIATE_AGREE;
+    }
+  }
+
+  return GST_PAD_NEGOTIATE_FAIL;
+}		
+
+GType
+gst_colorspace_get_type (void)
+{
+  static GType colorspace_type = 0;
+
+  if (!colorspace_type) {
+    static const GTypeInfo colorspace_info = {
+      sizeof(GstColorspaceClass),      NULL,
+      NULL,
+      (GClassInitFunc)gst_colorspace_class_init,
+      NULL,
+      NULL,
+      sizeof(GstColorspace),
+      0,
+      (GInstanceInitFunc)gst_colorspace_init,
+    };
+    colorspace_type = g_type_register_static(GST_TYPE_ELEMENT, "GstColorspace", &colorspace_info, 0);
+  }
+  return colorspace_type;
+}
+
+static void
+gst_colorspace_class_init (GstColorspaceClass *klass)
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+
+  gobject_class = (GObjectClass*)klass;
+  gstelement_class = (GstElementClass*)klass;
+
+  parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+
+  gobject_class->set_property = gst_colorspace_set_property;
+  gobject_class->get_property = gst_colorspace_get_property;
+}
+
+static void
+gst_colorspace_init (GstColorspace *space)
+{
+  space->sinkpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (colorspace_sink_template_factory), "sink");
+  gst_pad_set_negotiate_function (space->sinkpad, colorspace_negotiate_sink);
+  gst_pad_set_bufferpool_function (space->sinkpad, colorspace_get_bufferpool);
+  gst_pad_set_chain_function(space->sinkpad,gst_colorspace_chain);
+  gst_element_add_pad(GST_ELEMENT(space),space->sinkpad);
+
+  space->srcpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (colorspace_src_template_factory), "src");
+  gst_pad_set_negotiate_function (space->srcpad, colorspace_negotiate_src);
+  gst_element_add_pad(GST_ELEMENT(space),space->srcpad);
+
+#ifdef HAVE_LIBHERMES
+  space->h_handle = Hermes_ConverterInstance (0);
+#endif
+  space->pool = NULL;
+  space->converter = NULL;
+}
+
+static void
+gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
+{
+  GstColorspace *space;
+  gint size;
+  GstBuffer *outbuf = NULL;
+
+  g_return_if_fail (pad != NULL);
+  g_return_if_fail (GST_IS_PAD (pad));
+  g_return_if_fail (buf != NULL);
+
+  space = GST_COLORSPACE (gst_pad_get_parent (pad));
+  
+  g_return_if_fail (space != NULL);
+  g_return_if_fail (GST_IS_COLORSPACE (space));
+
+  if (space->type == GST_COLORSPACE_NONE) {
+    outbuf = buf;
+  }
+  else {
+    gint dest_bytes, src_bytes;
+
+    if (!space->pool) {
+      space->pool = gst_pad_get_bufferpool (space->srcpad);
+    }
+
+    size = space->width * space->height;
+    dest_bytes = ((space->destbpp+7)/8);
+    src_bytes = ((space->srcbpp+7)/8);
+
+    if (space->pool) {
+      outbuf = gst_buffer_new_from_pool (space->pool, 0, 0);
+    }
+
+    if (!outbuf) {
+      outbuf = gst_buffer_new ();
+
+      GST_BUFFER_SIZE (outbuf) = (size * space->destbpp)/8;
+      GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
+    }
+
+    if (space->type == GST_COLORSPACE_YUV_RGB) {
+      gst_colorspace_convert (space->converter, GST_BUFFER_DATA (buf), GST_BUFFER_DATA (outbuf));
+    }
+#ifdef HAVE_LIBHERMES
+    else if (space->type == GST_COLORSPACE_HERMES) {
+      Hermes_ConverterCopy (space->h_handle, 
+		    GST_BUFFER_DATA (buf), 0, 0, space->width, space->height, space->width * src_bytes, 
+	  	    GST_BUFFER_DATA (outbuf), 0, 0, space->width, space->height, space->width * dest_bytes);
+    }
+#endif
+    else if (space->type == GST_COLORSPACE_YUY2_I420) {
+      gst_colorspace_yuy2_to_i420 (GST_BUFFER_DATA (buf),
+		                   GST_BUFFER_DATA (outbuf),
+				   space->width,
+				   space->height);
+    }
+
+    GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
+
+    gst_buffer_unref (buf);
+  }
+  gst_pad_push (space->srcpad, outbuf);
+}
+
+static void
+gst_colorspace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  GstColorspace *space;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_COLORSPACE(object));
+  space = GST_COLORSPACE(object);
+
+  switch (prop_id) {
+    default:
+      break;
+  }
+}
+
+static void
+gst_colorspace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  GstColorspace *space;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_COLORSPACE(object));
+  space = GST_COLORSPACE(object);
+
+  switch (prop_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+  GstElementFactory *factory;
+#ifdef HAVE_LIBHERMES
+  gint hermes_res;
+
+  hermes_res = Hermes_Init();
+  g_return_val_if_fail (hermes_res != 0, FALSE);
+#endif
+
+  factory = gst_elementfactory_new ("colorspace", GST_TYPE_COLORSPACE,
+                                    &colorspace_details);
+  g_return_val_if_fail (factory != NULL, FALSE);
+  
+  gst_elementfactory_add_padtemplate (factory, 
+		  GST_PADTEMPLATE_GET (colorspace_src_template_factory));
+  gst_elementfactory_add_padtemplate (factory, 
+		  GST_PADTEMPLATE_GET (colorspace_sink_template_factory));
+
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+  return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+  GST_VERSION_MAJOR,
+  GST_VERSION_MINOR,
+  "colorspace",
+  plugin_init
+};
+
+
+
+
+
+
+
+