first batch

Original commit message from CVS:
first batch

1 files changed, 444 insertions, 0 deletions

diff --git a/sys/qcam/gstqcamsrc.c b/sys/qcam/gstqcamsrc.c
new file mode 100644
index 00000000..ed1afe98
--- /dev/null
+++ b/sys/qcam/gstqcamsrc.c
@@ -0,0 +1,444 @@
+/* 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 <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <string.h>
+
+//#define DEBUG_ENABLED
+#include <gstqcamsrc.h>
+
+#include "qcamip.h"
+
+static GstElementDetails 
+gst_qcamsrc_details = 
+{
+  "QCam Source",
+  "Source/Video",
+  "Read from a QuickCam device",
+  VERSION,
+  "Wim Taymans <wim.taymans@chello.be>",
+  "(C) 2001",
+};
+
+#define AE_NONE			3
+
+#define DEF_WIDTH 		320
+#define DEF_HEIGHT 		224
+#define DEF_BRIGHTNESS		226
+#define DEF_WHITEBAL		128
+#define DEF_CONTRAST		72
+#define DEF_TOP			1
+#define DEF_LEFT		14
+#define DEF_TRANSFER_SCALE	2
+#define DEF_DEPTH		6
+#define DEF_PORT		0x378
+#define DEF_AUTOEXP		AE_NONE
+
+GST_PADTEMPLATE_FACTORY (gst_qcamsrc_src_factory,
+  "src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "gstqcam_src",
+    "video/raw",
+      "format",		GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+      "width",		GST_PROPS_INT_RANGE (0, 320),
+      "height",		GST_PROPS_INT_RANGE (0, 240)
+  )
+)
+
+#define GST_TYPE_AUTOEXP_MODE (gst_autoexp_mode_get_type())
+static GType
+gst_autoexp_mode_get_type (void)
+{
+  static GType autoexp_mode_type = 0;
+  static GEnumValue autoexp_modes[] = {
+    { AE_ALL_AVG, "0", "Average Picture" },
+    { AE_CTR_AVG, "1", "Average Center" },
+    { AE_STD_AVG, "2", "Standard Deviation" },
+    { AE_NONE,    "3", "None" },
+    { 0, NULL, NULL },
+  };
+  if (!autoexp_mode_type) {
+    autoexp_mode_type = g_enum_register_static ("GstAutoExposureMode", autoexp_modes);
+  }
+  return autoexp_mode_type;
+}
+
+/* QCamSrc signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  ARG_WIDTH,
+  ARG_HEIGHT,
+  ARG_BRIGHTNESS,
+  ARG_WHITEBAL,
+  ARG_CONTRAST,
+  ARG_TOP,
+  ARG_LEFT,
+  ARG_TRANSFER_SCALE,
+  ARG_DEPTH,
+  ARG_PORT,
+  ARG_AUTOEXP,
+};
+
+static void			gst_qcamsrc_class_init		(GstQCamSrcClass *klass);
+static void			gst_qcamsrc_init		(GstQCamSrc *qcamsrc);
+
+static void			gst_qcamsrc_set_property	(GObject *object, guint prop_id, 
+								 const GValue *value, GParamSpec *pspec);
+static void			gst_qcamsrc_get_property	(GObject *object, guint prop_id, 
+								 GValue *value, GParamSpec *pspec);
+
+static GstElementStateReturn	gst_qcamsrc_change_state	(GstElement *element);
+static void			gst_qcamsrc_close		(GstQCamSrc *src);
+static gboolean			gst_qcamsrc_open		(GstQCamSrc *src);
+
+static GstBuffer*		gst_qcamsrc_get			(GstPad *pad);
+
+static GstElementClass *parent_class = NULL;
+////static guint gst_qcamsrc_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_qcamsrc_get_type (void)
+{
+  static GType qcamsrc_type = 0;
+
+  if (!qcamsrc_type) {
+    static const GTypeInfo qcamsrc_info = {
+      sizeof(GstQCamSrcClass),      
+      NULL,
+      NULL,
+      (GClassInitFunc)gst_qcamsrc_class_init,
+      NULL,
+      NULL,
+      sizeof(GstQCamSrc),
+      0,
+      (GInstanceInitFunc)gst_qcamsrc_init,
+      NULL
+    };
+    qcamsrc_type = g_type_register_static(GST_TYPE_ELEMENT, "GstQCamSrc", &qcamsrc_info, 0);
+  }
+  return qcamsrc_type;
+}
+
+static void
+gst_qcamsrc_class_init (GstQCamSrcClass *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_WIDTH,
+    g_param_spec_int ("width", "width", "width",
+                      0, 320, DEF_WIDTH, G_PARAM_READWRITE)); 
+  g_object_class_install_property (G_OBJECT_CLASS(klass), ARG_HEIGHT,
+    g_param_spec_int ("height", "height", "height",
+                      0, 240, DEF_HEIGHT, G_PARAM_READWRITE)); 
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BRIGHTNESS,
+    g_param_spec_int ("brightness", "brightness", "brightness",
+                      0, 255, DEF_BRIGHTNESS, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_WHITEBAL,
+    g_param_spec_int ("whitebal", "whitebal", "whitebal",
+                      0, 255, DEF_WHITEBAL, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CONTRAST,
+    g_param_spec_int ("contrast", "contrast", "contrast",
+                      0, 255, DEF_CONTRAST, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TOP,
+    g_param_spec_int ("top", "top", "top",
+                      0, 240, DEF_TOP, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LEFT,
+    g_param_spec_int ("left", "left", "left",
+                      0, 320, DEF_LEFT, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TRANSFER_SCALE,
+    g_param_spec_int ("transfer_scale", "transfer_scale", "transfer_scale",
+                      1, 4, DEF_TRANSFER_SCALE, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEPTH,
+    g_param_spec_int ("depth", "depth", "depth",
+                      4, 6, DEF_DEPTH, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PORT,
+    g_param_spec_int ("port","port","port",
+                      0, G_MAXINT, DEF_PORT, G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_AUTOEXP,
+    g_param_spec_enum ("autoexposure", "autoexposure", "autoexposure",
+                       GST_TYPE_AUTOEXP_MODE, DEF_AUTOEXP, G_PARAM_READWRITE));
+
+  gobject_class->set_property = gst_qcamsrc_set_property;
+  gobject_class->get_property = gst_qcamsrc_get_property;
+
+  gstelement_class->change_state = gst_qcamsrc_change_state;
+}
+
+static void
+gst_qcamsrc_init (GstQCamSrc *qcamsrc)
+{
+  qcamsrc->srcpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (gst_qcamsrc_src_factory), "src");
+  gst_element_add_pad(GST_ELEMENT(qcamsrc),qcamsrc->srcpad);
+  gst_pad_set_get_function (qcamsrc->srcpad,gst_qcamsrc_get);
+
+  /* if the destination cannot say what it wants, we give this */
+  qcamsrc->qcam = qc_init();
+  qcamsrc->qcam->port = DEF_PORT;
+  qc_setwidth (qcamsrc->qcam, DEF_WIDTH);
+  qc_setheight (qcamsrc->qcam, DEF_HEIGHT);
+  qc_setbrightness (qcamsrc->qcam, DEF_BRIGHTNESS);
+  qc_setwhitebal (qcamsrc->qcam, DEF_WHITEBAL);
+  qc_setcontrast (qcamsrc->qcam, DEF_CONTRAST);
+  qc_settop (qcamsrc->qcam, DEF_TOP);
+  qc_setleft (qcamsrc->qcam, DEF_LEFT);
+  qc_settransfer_scale (qcamsrc->qcam, DEF_TRANSFER_SCALE);
+  qc_setbitdepth (qcamsrc->qcam, DEF_DEPTH);
+  qcamsrc->autoexposure = DEF_AUTOEXP;
+  if (qcamsrc->autoexposure != AE_NONE) 
+    qcip_set_autoexposure_mode (qcamsrc->autoexposure);
+}
+
+static GstBuffer*
+gst_qcamsrc_get (GstPad *pad)
+{
+  GstQCamSrc *qcamsrc;
+  GstBuffer *buf;
+  scanbuf *scan;
+  guchar *outdata;
+  gint i, frame, scale, convert;
+
+  g_return_val_if_fail (pad != NULL, NULL);
+
+  qcamsrc = GST_QCAMSRC (gst_pad_get_parent (pad));
+
+  scale = qc_gettransfer_scale (qcamsrc->qcam);
+
+  frame = qcamsrc->qcam->width * qcamsrc->qcam->height / (scale * scale);
+
+  buf = gst_buffer_new();
+  outdata = GST_BUFFER_DATA(buf) = g_malloc0((frame * 3) / 2);
+  GST_BUFFER_SIZE(buf) = (frame * 3) / 2;
+
+  qc_set (qcamsrc->qcam);
+  if (!GST_PAD_CAPS (pad)) {
+    gst_pad_set_caps (pad, GST_CAPS_NEW (
+			    "qcam_caps",
+			    "video/raw",
+			      "format",		GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+			      "width",		GST_PROPS_INT (qcamsrc->qcam->width / scale),
+			      "height",		GST_PROPS_INT (qcamsrc->qcam->height / scale)
+			      ));
+  }
+  scan = qc_scan (qcamsrc->qcam);
+
+  // FIXME, this doesn't seem to work...
+  //fixdark(qcamsrc->qcam, scan);
+  
+  if (qcamsrc->autoexposure != AE_NONE) 
+    qcip_autoexposure(qcamsrc->qcam, scan);
+
+  convert = (qcamsrc->qcam->bpp==4?4:2);
+
+  for (i=frame; i; i--) {
+    outdata[i] = scan[i]<<convert; 
+  }
+  memset (outdata+frame, 128, frame>>1);
+  g_free (scan);
+
+  return buf;
+}
+
+static void
+gst_qcamsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  GstQCamSrc *src;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_QCAMSRC(object));
+  src = GST_QCAMSRC(object);
+
+  switch (prop_id) {
+    case ARG_WIDTH:
+      qc_setwidth (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_HEIGHT:
+      qc_setheight (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_BRIGHTNESS:
+      qc_setbrightness (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_WHITEBAL:
+      qc_setwhitebal (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_CONTRAST:
+      qc_setcontrast (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_TOP:
+      qc_settop (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_LEFT:
+      qc_setleft (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_TRANSFER_SCALE:
+      qc_settransfer_scale (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_DEPTH:
+      qc_setbitdepth (src->qcam, g_value_get_int (value));
+      break;
+    case ARG_PORT:
+      src->qcam->port = g_value_get_int (value);
+      break;
+    case ARG_AUTOEXP:
+      src->autoexposure = g_value_get_enum (value);
+      if (src->autoexposure != AE_NONE) 
+        qcip_set_autoexposure_mode (src->autoexposure);
+      break;
+    default:
+      break;
+  }
+}
+
+static void
+gst_qcamsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  GstQCamSrc *src;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_QCAMSRC(object));
+  src = GST_QCAMSRC(object);
+
+  switch (prop_id) {
+    case ARG_WIDTH:
+      g_value_set_int (value, qc_getwidth (src->qcam));
+      break;
+    case ARG_HEIGHT:
+      g_value_set_int (value, qc_getheight (src->qcam));
+      break;
+    case ARG_BRIGHTNESS:
+      g_value_set_int (value, qc_getbrightness (src->qcam));
+      break;
+    case ARG_WHITEBAL:
+      g_value_set_int (value, qc_getwhitebal (src->qcam));
+      break;
+    case ARG_CONTRAST:
+      g_value_set_int (value, qc_getcontrast (src->qcam));
+      break;
+    case ARG_TOP:
+      g_value_set_int (value, qc_gettop (src->qcam));
+      break;
+    case ARG_LEFT:
+      g_value_set_int (value, qc_getleft (src->qcam));
+      break;
+    case ARG_TRANSFER_SCALE:
+      g_value_set_int (value, qc_gettransfer_scale (src->qcam));
+      break;
+    case ARG_DEPTH:
+      g_value_set_int (value, qc_getbitdepth (src->qcam));
+      break;
+    case ARG_PORT:
+      g_value_set_int (value, src->qcam->port);
+      break;
+    case ARG_AUTOEXP:
+      g_value_set_enum (value, src->autoexposure);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static GstElementStateReturn
+gst_qcamsrc_change_state (GstElement *element)
+{
+  g_return_val_if_fail(GST_IS_QCAMSRC(element), FALSE);
+
+  /* if going down into NULL state, close the file if it's open */
+  if (GST_STATE_PENDING(element) == GST_STATE_NULL) {
+    if (GST_FLAG_IS_SET(element,GST_QCAMSRC_OPEN))
+      gst_qcamsrc_close(GST_QCAMSRC(element));
+  /* otherwise (READY or higher) we need to open the sound card */
+  } else {
+    if (!GST_FLAG_IS_SET(element,GST_QCAMSRC_OPEN)) {
+      gst_info ("qcamsrc: opening\n");
+      if (!gst_qcamsrc_open(GST_QCAMSRC(element))) {
+	gst_info ("qcamsrc: open failed\n");
+        return GST_STATE_FAILURE;
+      }
+    }
+  }
+
+  if (GST_ELEMENT_CLASS(parent_class)->change_state)
+    return GST_ELEMENT_CLASS(parent_class)->change_state(element);
+
+  return GST_STATE_SUCCESS;
+}
+
+static gboolean
+gst_qcamsrc_open (GstQCamSrc *qcamsrc)
+{
+  if (qc_open (qcamsrc->qcam)) {
+    g_warning("qcamsrc: Cannot open QuickCam.\n");
+    return FALSE;
+  }
+
+  GST_FLAG_SET(qcamsrc, GST_QCAMSRC_OPEN);
+
+  return TRUE;
+}
+
+static void
+gst_qcamsrc_close (GstQCamSrc *src)
+{
+  qc_close (src->qcam);
+  GST_FLAG_UNSET(src, GST_QCAMSRC_OPEN);
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+  GstElementFactory *factory;
+
+  /* create an elementfactory for the qcamsrcparse element */
+  factory = gst_elementfactory_new("qcamsrc",GST_TYPE_QCAMSRC,
+                                   &gst_qcamsrc_details);
+  g_return_val_if_fail(factory != NULL, FALSE);
+
+  gst_elementfactory_add_padtemplate (factory,
+	     GST_PADTEMPLATE_GET (gst_qcamsrc_src_factory));
+  
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+  return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+  GST_VERSION_MAJOR,
+  GST_VERSION_MINOR,
+  "qcamsrc",
+  plugin_init
+};
+