Initial revision

Original commit message from CVS:
Initial revision

1 files changed, 323 insertions, 0 deletions

diff --git a/gst/avi/gstavitypes.c b/gst/avi/gstavitypes.c
new file mode 100644
index 00000000..b43f2a0c
--- /dev/null
+++ b/gst/avi/gstavitypes.c
@@ -0,0 +1,323 @@
+/* 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.
+ */
+
+
+//#define GST_DEBUG_ENABLED
+#include <string.h>
+
+#include "gstavitypes.h"
+
+
+
+/* elementfactory information */
+static GstElementDetails gst_avi_types_details = {
+  "avi type converter",
+  "Decoder/Video",
+  "Converts avi types into gstreamer types",
+  VERSION,
+  "Wim Taymans <wim.taymans@tvd.be>",
+  "(C) 1999",
+};
+
+/* AviTypes signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  ARG_TYPE_FOUND,
+  /* FILL ME */
+};
+
+GST_PADTEMPLATE_FACTORY (sink_templ,
+  "sink",
+  GST_PAD_SINK,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "avitypes_sink",
+     "video/avi",
+      "format",         GST_PROPS_LIST (
+      		          GST_PROPS_STRING ("strf_vids"),
+      		          GST_PROPS_STRING ("strf_auds"),
+      		          GST_PROPS_STRING ("strf_iavs")
+			)
+  )
+)
+
+GST_PADTEMPLATE_FACTORY (src_templ,
+  "video_src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "avitypes_src",
+    "video/raw",
+      "format",         GST_PROPS_LIST (
+                          GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y','U','Y','2')),
+                          GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' '))
+                        ),
+      "width",          GST_PROPS_INT_RANGE (16, 4096),
+      "height",         GST_PROPS_INT_RANGE (16, 4096)
+  ),
+  GST_CAPS_NEW (
+    "avitypes_src",
+    "video/avi",
+      "format",         GST_PROPS_STRING ("strf_vids")
+  ),
+  GST_CAPS_NEW (
+    "src_audio",
+    "audio/raw",
+      "format",           GST_PROPS_STRING ("int"),
+      "law",              GST_PROPS_INT (0),
+      "endianness",       GST_PROPS_INT (G_BYTE_ORDER),
+      "signed",           GST_PROPS_LIST (
+      			    GST_PROPS_BOOLEAN (TRUE),
+      			    GST_PROPS_BOOLEAN (FALSE)
+			  ),
+      "width",            GST_PROPS_LIST (
+      			    GST_PROPS_INT (8),
+      			    GST_PROPS_INT (16)
+			  ),
+      "depth",            GST_PROPS_LIST (
+      			    GST_PROPS_INT (8),
+      			    GST_PROPS_INT (16)
+			  ),
+      "rate",             GST_PROPS_INT_RANGE (11025, 44100),
+      "channels",         GST_PROPS_INT_RANGE (1, 2)
+  ),
+  GST_CAPS_NEW (
+    "src_audio",
+    "audio/mp3",
+    NULL
+  ),
+  GST_CAPS_NEW (
+    "src_video",
+    "video/jpeg",
+    NULL
+  ),
+  GST_CAPS_NEW (
+    "src_dv",
+    "video/dv",
+    NULL
+  )
+)
+
+static void 	gst_avi_types_class_init	(GstAviTypesClass *klass);
+static void 	gst_avi_types_init		(GstAviTypes *avi_types);
+
+static void 	gst_avi_types_chain 		(GstPad *pad, GstBuffer *buffer); 
+
+static void     gst_avi_types_get_property      (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+
+
+static GstElementClass *parent_class = NULL;
+//static guint gst_avi_types_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_avi_types_get_type(void) 
+{
+  static GType avi_types_type = 0;
+
+  if (!avi_types_type) {
+    static const GTypeInfo avi_types_info = {
+      sizeof(GstAviTypesClass),      
+      NULL,
+      NULL,
+      (GClassInitFunc)gst_avi_types_class_init,
+      NULL,
+      NULL,
+      sizeof(GstAviTypes),
+      0,
+      (GInstanceInitFunc)gst_avi_types_init,
+    };
+    avi_types_type = g_type_register_static(GST_TYPE_ELEMENT, "GstAviTypes", &avi_types_info, 0);
+  }
+  return avi_types_type;
+}
+
+static void
+gst_avi_types_class_init (GstAviTypesClass *klass) 
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+
+  gobject_class = (GObjectClass*)klass;
+  gstelement_class = (GstElementClass*)klass;
+
+  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+  
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TYPE_FOUND,
+    g_param_spec_boolean ("type_found","type_found","type_found",
+                     FALSE, G_PARAM_READABLE));
+
+  gobject_class->get_property = gst_avi_types_get_property;
+}
+
+static void 
+gst_avi_types_newcaps (GstPad *pad, GstCaps *caps) 
+{
+  GstAviTypes *avi_types;
+  const gchar *format;
+  GstCaps *newcaps = NULL;
+
+  avi_types = GST_AVI_TYPES (gst_pad_get_parent (pad));
+
+  format = gst_caps_get_string (caps, "format");
+
+  if (!strcmp (format, "strf_vids")) {
+    gulong video_format = gst_caps_get_fourcc_int (caps, "compression");
+
+    switch (video_format) {
+      case GST_MAKE_FOURCC ('M','J','P','G'):
+        newcaps = gst_caps_new ("avi_type_mjpg",
+		      "video/jpeg", NULL);
+        break;
+      case GST_MAKE_FOURCC ('d','v','s','d'):
+        newcaps = gst_caps_new ("avi_type_dv", 
+		    	    "video/dv", 
+			    gst_props_new (
+			      "format",		GST_PROPS_STRING ("NTSC"),
+			      NULL));
+      default:
+        break;
+    }
+  }
+  else if (!strcmp (format, "strf_auds")) {
+    gint16 audio_format 	= gst_caps_get_int (caps, "fmt");
+    gint blockalign 		= gst_caps_get_int (caps, "blockalign");
+    gint size 			= gst_caps_get_int (caps, "size");
+    gint channels 		= gst_caps_get_int (caps, "channels");
+    gint rate	 		= gst_caps_get_int (caps, "rate");
+    gboolean sign		= (size == 8 ? FALSE : TRUE);
+
+    GST_DEBUG (GST_CAT_PLUGIN_INFO, "avitypes: new caps with audio format:%04x\n", audio_format);
+
+    switch (audio_format) {
+      case 0x0001:
+        newcaps = gst_caps_new ("avi_type_pcm",
+		    "audio/raw",
+		    gst_props_new (
+		      "format",           GST_PROPS_STRING ("int"),
+		      "law",              GST_PROPS_INT (0),
+		      "endianness",       GST_PROPS_INT (G_BYTE_ORDER),
+		      "signed",           GST_PROPS_BOOLEAN (sign),
+		      "width",            GST_PROPS_INT ((blockalign*8)/channels),
+		      "depth",            GST_PROPS_INT (size),
+		      "rate",             GST_PROPS_INT (rate),
+		      "channels",         GST_PROPS_INT (channels),
+		      NULL
+		    ));
+        break;
+      case 0x0050:
+      case 0x0055:
+        newcaps = gst_caps_new ("avi_type_mp3",
+		      "audio/mp3", NULL);
+        break;
+      default:
+        break;
+    }
+  }
+  else if (!strcmp (format, "strf_iavs")) {
+    newcaps = gst_caps_new ("avi_type_dv", 
+		    	    "video/dv", 
+			    gst_props_new (
+			      "format",		GST_PROPS_STRING ("NTSC"),
+			      NULL));
+  }
+  
+  if (newcaps) {
+    gst_pad_set_caps (avi_types->srcpad, newcaps);
+    avi_types->type_found = TRUE;
+  }
+}
+
+static void 
+gst_avi_types_init (GstAviTypes *avi_types) 
+{
+  avi_types->sinkpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (sink_templ), "sink");
+  gst_element_add_pad (GST_ELEMENT (avi_types), avi_types->sinkpad);
+  gst_pad_set_newcaps_function (avi_types->sinkpad, gst_avi_types_newcaps);
+  gst_pad_set_chain_function (avi_types->sinkpad, gst_avi_types_chain);
+
+  avi_types->srcpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (src_templ), "src");
+  gst_element_add_pad (GST_ELEMENT (avi_types), avi_types->srcpad);
+
+  avi_types->type_found = FALSE;
+}
+
+static void 
+gst_avi_types_chain (GstPad *pad, GstBuffer *buffer) 
+{
+  GstAviTypes *avi_types;
+
+  avi_types = GST_AVI_TYPES (gst_pad_get_parent (pad));
+
+  if (GST_PAD_CONNECTED (avi_types->srcpad))
+    gst_pad_push (avi_types->srcpad, buffer);
+  else
+    gst_buffer_unref (buffer);
+}
+
+static void
+gst_avi_types_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  GstAviTypes *src;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail (GST_IS_AVI_TYPES (object));
+
+  src = GST_AVI_TYPES (object);
+
+  switch (prop_id) {
+    case ARG_TYPE_FOUND:
+      g_value_set_boolean (value, src->type_found);
+      break;
+    default:
+      break;
+  }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+  GstElementFactory *factory;
+
+  /* create an elementfactory for the avi_types element */
+  factory = gst_elementfactory_new ("avitypes",GST_TYPE_AVI_TYPES,
+                                    &gst_avi_types_details);
+  g_return_val_if_fail (factory != NULL, FALSE);
+
+  //gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_templ));
+  gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (sink_templ));
+
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+  return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+  GST_VERSION_MAJOR,
+  GST_VERSION_MINOR,
+  "avitypes",
+  plugin_init
+};
+