opencv: port handdetect element to 1.0 and add to build

https://bugzilla.gnome.org/show_bug.cgi?id=685655

2 files changed, 183 insertions, 163 deletions

diff --git a/tests/examples/opencv/Makefile.am b/tests/examples/opencv/Makefile.am
index 4241e9e57..9db9da4bb 100644
--- a/tests/examples/opencv/Makefile.am
+++ b/tests/examples/opencv/Makefile.am
@@ -1,11 +1,16 @@
-noinst_PROGRAMS = gstmotioncells_dynamic_test
+noinst_PROGRAMS = gstmotioncells_dynamic_test \
+		  gsthanddetect_test
 
 gstmotioncells_dynamic_test_SOURCES = 	\
 	gstmotioncells_dynamic_test.c	\
 	gst_element_print_properties.c
+gsthanddetect_test_SOURCES = gsthanddetect_test.c
+
 gstmotioncells_dynamic_test_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
 gstmotioncells_dynamic_test_LDFLAGS = $(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GSTPB_BASE_LIBS)
 
+gsthanddetect_test_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
+gsthanddetect_test_LDFLAGS = $(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GSTPB_BASE_LIBS)
 noinst_HEADERS = 			\
 	gstmotioncells_dynamic_test.h	\
 	gst_element_print_properties.h
diff --git a/tests/examples/opencv/gsthanddetect_test.c b/tests/examples/opencv/gsthanddetect_test.c
index 2a2187bb7..05e11ed06 100644
--- a/tests/examples/opencv/gsthanddetect_test.c
+++ b/tests/examples/opencv/gsthanddetect_test.c
@@ -1,174 +1,189 @@
-/*
- *============================================================================
- *Name        : gsthanddetect_app.c
- *Author      : Andol Li, andol@andol.info
- *Version     : 0.1
- *Copyright   : @2012, gstreamer
- *Description : gsteramer handdetect plugin demo application in C, part work of GSoc 2012 project
- *============================================================================
+/* GStreamer
+ * Copyright (C) 2012 Andol Li <andol@andol.info>
+ *
+ *  gsthanddetect_test: gsteramer handdetect plugin demo application,
+ *  part work of GSoc 2012 project
+ *
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <gst/gst.h>
-#include <glib.h>
-#include <glib-object.h>
 
-#define PROFILE_FIST "/usr/local/share/opencv/haarcascades/fist.xml"
-#define PROFILE_PALM "/usr/local/share/opencv/haarcascades/palm.xml"
+GstElement *playbin, *pipeline;
+GstElement *v4l2src, *videoscale, *videoconvert_in, *handdetect,
+    *videoconvert_out, *xvimagesink;
 
-GstElement *playbin,
-			*pipeline,
-			*v4l2src, *videoscale, *ffmpegcolorspace_in, *handdetect, *ffmpegcolorspace_out, *xvimagesink;
-
-static GstBusSyncHandler
-bus_sync_handler(GstBus *bus, GstMessage *message, GstPipeline *pipeline)
+static GstBusSyncReply
+bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
 {
-	/* select msg */
-	if(GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT ||
-			!gst_structure_has_name(message->structure, "hand-gesture") )
-		return GST_BUS_PASS;
-
-	/* parse msg structure */
-	const GstStructure *structure = message->structure;
-
-		/* if PALM gesture detected */
-		if (structure &&
-				strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
-				strcmp (gst_structure_get_string (structure, "gesture"), "palm") == 0) {
-			/* media operation - closed palm to stop media play*/
-			gst_element_set_state (playbin, GST_STATE_PAUSED);
-		}
-
-		/* if FIST gesture detected */
-		if (structure &&
-				strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
-				strcmp (gst_structure_get_string (structure, "gesture"), "fist") == 0){
-			/* print message type and structure name */
-			g_print("%s{{%s}}\n",	gst_message_type_get_name(message->type), gst_structure_get_name(structure));
-			/* print msg structure names&values */
-			int i;
-			for(i = 0; i < gst_structure_n_fields(structure); i++){
-				const gchar *name = gst_structure_nth_field_name(structure, i);
-				GType type = gst_structure_get_field_type(structure, name);
-				const GValue *value = gst_structure_get_value(structure, name);
-				type == G_TYPE_STRING ?
-						g_print("-%s[%s]{%s}\n", name, g_type_name(type), g_value_get_string(value)) :
-						g_print("-%s[%s]{%d}\n", name, g_type_name(type), g_value_get_uint(value));
-			}
-			g_print("\n");
-
-			/* get X,Y positions in frame */
-			const GValue *x_value = gst_structure_get_value(structure, "x");
-			gint x = g_value_get_uint(x_value);
-			const GValue *y_value = gst_structure_get_value(structure, "y");
-			gint y = g_value_get_uint(y_value);
-
-			/* set object volumes [0-10] based on Y */
-			g_object_set(G_OBJECT(playbin), "volume", (gdouble)(10 - y/24 ), NULL);
-
-			/* seek playback positions */
-			gint64 position, length;
-			GstFormat format = GST_FORMAT_TIME;
-			gst_element_query_duration(playbin, &format, &length);
-			/* Width = 320 is specified in caps */
-			position = (gint64) length * x / 320;
-			gst_element_set_state(playbin, GST_STATE_PAUSED);
-			gst_element_seek(GST_ELEMENT(playbin),
-					1.0,
-					format,
-					GST_SEEK_FLAG_FLUSH,
-					GST_SEEK_TYPE_SET,
-					position,
-					GST_SEEK_TYPE_NONE,
-					GST_CLOCK_TIME_NONE );
-			gst_element_set_state(GST_ELEMENT(playbin), GST_STATE_PLAYING);
-		}
-
-	gst_message_unref(message);
-	return GST_BUS_DROP;
+  const GstStructure *structure;
+  gint64 position, length;
+  GstFormat format = GST_FORMAT_TIME;
+  const GValue *x_value, *y_value;
+  gint x, i, y;
+  /* select msg */
+  if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT ||
+      !gst_structure_has_name (gst_message_get_structure (message),
+          "hand-gesture"))
+    return GST_BUS_PASS;
+
+  /* parse msg structure */
+  structure = gst_message_get_structure (message);
+
+  /* if PALM gesture detected */
+  if (structure &&
+      strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
+      strcmp (gst_structure_get_string (structure, "gesture"), "palm") == 0) {
+    /* media operation - closed palm to stop media play */
+    gst_element_set_state (playbin, GST_STATE_PAUSED);
+  }
+
+  /* if FIST gesture detected */
+  if (structure &&
+      strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
+      strcmp (gst_structure_get_string (structure, "gesture"), "fist") == 0) {
+    /* print message type and structure name */
+    g_print ("%s{{%s}}\n", gst_message_type_get_name (message->type),
+        gst_structure_get_name (structure));
+    /* print msg structure names&values */
+    for (i = 0; i < gst_structure_n_fields (structure); i++) {
+      const gchar *name = gst_structure_nth_field_name (structure, i);
+      GType type = gst_structure_get_field_type (structure, name);
+      const GValue *value = gst_structure_get_value (structure, name);
+      type == G_TYPE_STRING ?
+          g_print ("-%s[%s]{%s}\n", name, g_type_name (type),
+          g_value_get_string (value)) : g_print ("-%s[%s]{%d}\n", name,
+          g_type_name (type), g_value_get_uint (value));
+    }
+    g_print ("\n");
+
+    /* get X,Y positions in frame */
+    x_value = gst_structure_get_value (structure, "x");
+    x = g_value_get_uint (x_value);
+    y_value = gst_structure_get_value (structure, "y");
+    y = g_value_get_uint (y_value);
+
+    /* set object volumes [0-10] based on Y */
+    g_object_set (G_OBJECT (playbin), "volume", (gdouble) (10 - y / 24), NULL);
+
+    /* seek playback positions */
+    gst_element_query_duration (playbin, format, &length);
+    /* Width = 320 is specified in caps */
+    position = (gint64) length *x / 320;
+    gst_element_set_state (playbin, GST_STATE_PAUSED);
+    gst_element_seek (GST_ELEMENT (playbin),
+        1.0,
+        format,
+        GST_SEEK_FLAG_FLUSH,
+        GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
+    gst_element_set_state (GST_ELEMENT (playbin), GST_STATE_PLAYING);
+  }
+
+  gst_message_unref (message);
+  return GST_BUS_DROP;
 }
 
-int main(gint argc, gchar **argv) {
-	static GMainLoop *loop;
-	loop = g_main_loop_new(NULL, FALSE);
-	/* video source */
-	gchar *video_device = "/dev/video0";
-	gchar *video_file = "file:///home/javauser/workspace/gitfiles/gsthanddetect_app/video.avi";
-	/* bus */
-	GstBus *bus;
-	/* caps */
-	GstCaps *caps;
-
-	/* init gst */
-	gst_init(&argc, &argv);
-
-	/* init elements */
-	playbin = gst_element_factory_make("playbin2", "app_playbin");
-	pipeline = gst_pipeline_new("app_pipeline");
-	v4l2src = gst_element_factory_make("v4l2src", "app_v4l2src");
-	videoscale = gst_element_factory_make("videoscale", "app_videoscale");
-	ffmpegcolorspace_in = gst_element_factory_make("ffmpegcolorspace", "app_ffmpegcolorspace_in");
-	handdetect = gst_element_factory_make("handdetect", "app_handdetect");
-	ffmpegcolorspace_out = gst_element_factory_make("ffmpegcolorspace", "app_ffmpegcolorspace_out");
-	xvimagesink = gst_element_factory_make("xvimagesink", "app_xvimagesink");
-
-	/* check init results */
-	if(!playbin || !pipeline || !v4l2src || !videoscale || !ffmpegcolorspace_in
-			|| !handdetect || !ffmpegcolorspace_out || !xvimagesink)
-		g_error("ERROR: element init failed.\n");
-
-	/* set values */
-	g_object_set (G_OBJECT(playbin), "uri", video_file, NULL);
-	g_object_set (G_OBJECT(v4l2src), "device", video_device, NULL);
-	g_object_set (G_OBJECT (handdetect), "profile_fist", PROFILE_FIST, NULL);
-	g_object_set (G_OBJECT (handdetect), "profile_palm", PROFILE_PALM, NULL);
-
-	/* set caps */
-	caps = gst_caps_from_string("video/x-raw-rgb, width=320, height=240, framerate=(fraction)30/1");
-
-	/* set bus */
-	bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
-	gst_bus_set_sync_handler(bus, (GstBusSyncHandler) bus_sync_handler, pipeline);
-	gst_object_unref(bus);
-
-	/* add elements to pipeline */
-	gst_bin_add_many(GST_BIN(pipeline),
-			v4l2src,
-			videoscale,
-			ffmpegcolorspace_in,
-			handdetect,
-			ffmpegcolorspace_out,
-			xvimagesink,
-			NULL);
-
-	/* negotiate caps */
-	if(!gst_element_link_filtered( v4l2src, videoscale, caps)){
-			g_printerr("ERROR:v4l2src -> videoscale caps\n");
-			return 0; }
-	gst_caps_unref(caps);
-
-	/* link elements */
-	gst_element_link_many(
-			videoscale,
-			ffmpegcolorspace_in,
-			handdetect,
-			ffmpegcolorspace_out,
-			xvimagesink,
-			NULL);
-
-	/* change states */
-	gst_element_set_state(pipeline, GST_STATE_PLAYING);
-
-	/* start main loop */
-	g_main_loop_run(loop);
-
-	/* clean all */
-	gst_element_set_state(pipeline, GST_STATE_NULL);
-	gst_object_unref(GST_OBJECT(pipeline));
-	gst_element_set_state(playbin, GST_STATE_NULL);
-	gst_object_unref(GST_OBJECT(playbin));
-
-	return 0;
+int
+main (gint argc, gchar ** argv)
+{
+  static GMainLoop *loop;
+  GstCaps *caps;
+  GstBus *bus;
+  gchar *uri;
+
+  const gchar *video_device = "/dev/video0";
+
+  if (argc < 2) {
+    fprintf (stderr, "oops, please give a file to play\n");
+    return -1;
+  }
+
+  uri = g_filename_to_uri (argv[1], NULL, NULL);
+  if (!uri) {
+    fprintf (stderr, "failed to create the uri\n");
+    return -1;
+  }
+
+  /* init gst */
+  gst_init (&argc, &argv);
+
+  loop = g_main_loop_new (NULL, FALSE);
+  /* init elements */
+  playbin = gst_element_factory_make ("playbin", "app_playbin");
+  pipeline = gst_pipeline_new ("app_pipeline");
+  v4l2src = gst_element_factory_make ("v4l2src", "app_v4l2src");
+  videoscale = gst_element_factory_make ("videoscale", "app_videoscale");
+  videoconvert_in =
+      gst_element_factory_make ("videoconvert", "app_videoconvert_in");
+  handdetect = gst_element_factory_make ("handdetect", "app_handdetect");
+  videoconvert_out =
+      gst_element_factory_make ("videoconvert", "app_videoconvert_out");
+  xvimagesink = gst_element_factory_make ("xvimagesink", "app_xvimagesink");
+
+  /* check init results */
+  if (!playbin || !pipeline || !v4l2src || !videoscale || !videoconvert_in
+      || !handdetect || !videoconvert_out || !xvimagesink)
+    g_error ("ERROR: element init failed.\n");
+
+  /* set values */
+  g_object_set (G_OBJECT (playbin), "uri", uri, NULL);
+  g_object_set (G_OBJECT (v4l2src), "device", video_device, NULL);
+
+  /* set caps */
+  caps =
+      gst_caps_from_string
+      ("video/x-raw, format=(string)RGB, width=320, height=240, framerate=(fraction)30/1");
+
+  /* set bus */
+  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+  gst_bus_set_sync_handler (bus, (GstBusSyncHandler) bus_sync_handler, pipeline,
+      NULL);
+  gst_object_unref (bus);
+
+  /* add elements to pipeline */
+  gst_bin_add_many (GST_BIN (pipeline),
+      v4l2src,
+      videoscale,
+      videoconvert_in, handdetect, videoconvert_out, xvimagesink, NULL);
+
+  /* negotiate caps */
+  if (!gst_element_link_filtered (v4l2src, videoscale, caps)) {
+    g_printerr ("ERROR:v4l2src -> videoscale caps\n");
+    return 0;
+  }
+  gst_caps_unref (caps);
+
+  /* link elements */
+  gst_element_link_many (videoscale,
+      videoconvert_in, handdetect, videoconvert_out, xvimagesink, NULL);
+
+  /* change states */
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  /* start main loop */
+  g_main_loop_run (loop);
+
+  /* clean all */
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+  gst_object_unref (GST_OBJECT (pipeline));
+  gst_element_set_state (playbin, GST_STATE_NULL);
+  gst_object_unref (GST_OBJECT (playbin));
+
+  return 0;
 }