--- a/gst_plugins_base/sys/v4l/gstv4lelement.c	Wed Mar 31 22:03:18 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,470 +0,0 @@
-/* GStreamer
- *
- * gstv4lelement.c: base class for V4L elements
- *
- * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <gst/interfaces/propertyprobe.h>
-
-#include "v4l_calls.h"
-#include "gstv4ltuner.h"
-#ifdef HAVE_XVIDEO
-#include "gstv4lxoverlay.h"
-#endif
-#include "gstv4lcolorbalance.h"
-
-
-enum
-{
-  PROP_0,
-  PROP_DEVICE,
-  PROP_DEVICE_NAME,
-  PROP_FLAGS
-};
-
-
-static void gst_v4lelement_init_interfaces (GType type);
-
-GST_BOILERPLATE_FULL (GstV4lElement, gst_v4lelement, GstPushSrc,
-    GST_TYPE_PUSH_SRC, gst_v4lelement_init_interfaces);
-
-
-static void gst_v4lelement_dispose (GObject * object);
-static void gst_v4lelement_set_property (GObject * object,
-    guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_v4lelement_get_property (GObject * object,
-    guint prop_id, GValue * value, GParamSpec * pspec);
-static gboolean gst_v4lelement_start (GstBaseSrc * src);
-static gboolean gst_v4lelement_stop (GstBaseSrc * src);
-
-
-static gboolean
-gst_v4l_iface_supported (GstImplementsInterface * iface, GType iface_type)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (iface);
-
-#ifdef HAVE_XVIDEO
-  g_assert (iface_type == GST_TYPE_TUNER ||
-      iface_type == GST_TYPE_X_OVERLAY || iface_type == GST_TYPE_COLOR_BALANCE);
-#else
-  g_assert (iface_type == GST_TYPE_TUNER ||
-      iface_type == GST_TYPE_COLOR_BALANCE);
-#endif
-
-  if (v4lelement->video_fd == -1)
-    return FALSE;
-
-#ifdef HAVE_XVIDEO
-  if (iface_type == GST_TYPE_X_OVERLAY && !GST_V4L_IS_OVERLAY (v4lelement))
-    return FALSE;
-#endif
-
-  return TRUE;
-}
-
-static void
-gst_v4l_interface_init (GstImplementsInterfaceClass * klass)
-{
-  /* default virtual functions */
-  klass->supported = gst_v4l_iface_supported;
-}
-
-static const GList *
-gst_v4l_probe_get_properties (GstPropertyProbe * probe)
-{
-  GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
-  static GList *list = NULL;
-
-  if (!list) {
-    list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
-  }
-
-  return list;
-}
-
-static gboolean
-gst_v4l_class_probe_devices (GstV4lElementClass * klass, gboolean check)
-{
-  static gboolean init = FALSE;
-  static GList *devices = NULL;
-
-  if (!init && !check) {
-    gchar *dev_base[] = { "/dev/video", "/dev/v4l/video", NULL };
-    gint base, n, fd;
-
-    while (devices) {
-      GList *item = devices;
-      gchar *device = item->data;
-
-      devices = g_list_remove (devices, item);
-      g_free (device);
-    }
-
-    /* detect /dev entries */
-    for (n = 0; n < 64; n++) {
-      for (base = 0; dev_base[base] != NULL; base++) {
-        struct stat s;
-        gchar *device = g_strdup_printf ("%s%d", dev_base[base], n);
-
-        /* does the /dev/ entry exist at all? */
-        if (stat (device, &s) == 0) {
-          /* yes: is a device attached? */
-          if ((fd = open (device, O_RDONLY)) > 0 || errno == EBUSY) {
-            if (fd > 0)
-              close (fd);
-
-            devices = g_list_append (devices, device);
-            break;
-          }
-        }
-        g_free (device);
-      }
-    }
-
-    init = TRUE;
-  }
-
-  klass->devices = devices;
-
-  return init;
-}
-
-static void
-gst_v4l_probe_probe_property (GstPropertyProbe * probe,
-    guint prop_id, const GParamSpec * pspec)
-{
-  GstV4lElementClass *klass = GST_V4LELEMENT_GET_CLASS (probe);
-
-  switch (prop_id) {
-    case PROP_DEVICE:
-      gst_v4l_class_probe_devices (klass, FALSE);
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
-      break;
-  }
-}
-
-static gboolean
-gst_v4l_probe_needs_probe (GstPropertyProbe * probe,
-    guint prop_id, const GParamSpec * pspec)
-{
-  GstV4lElementClass *klass = GST_V4LELEMENT_GET_CLASS (probe);
-  gboolean ret = FALSE;
-
-  switch (prop_id) {
-    case PROP_DEVICE:
-      ret = !gst_v4l_class_probe_devices (klass, TRUE);
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
-      break;
-  }
-
-  return ret;
-}
-
-static GValueArray *
-gst_v4l_class_list_devices (GstV4lElementClass * klass)
-{
-  GValueArray *array;
-  GValue value = { 0 };
-  GList *item;
-
-  if (!klass->devices)
-    return NULL;
-
-  array = g_value_array_new (g_list_length (klass->devices));
-  item = klass->devices;
-  g_value_init (&value, G_TYPE_STRING);
-  while (item) {
-    gchar *device = item->data;
-
-    g_value_set_string (&value, device);
-    g_value_array_append (array, &value);
-
-    item = item->next;
-  }
-  g_value_unset (&value);
-
-  return array;
-}
-
-static GValueArray *
-gst_v4l_probe_get_values (GstPropertyProbe * probe,
-    guint prop_id, const GParamSpec * pspec)
-{
-  GstV4lElementClass *klass = GST_V4LELEMENT_GET_CLASS (probe);
-  GValueArray *array = NULL;
-
-  switch (prop_id) {
-    case PROP_DEVICE:
-      array = gst_v4l_class_list_devices (klass);
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
-      break;
-  }
-
-  return array;
-}
-
-static void
-gst_v4l_property_probe_interface_init (GstPropertyProbeInterface * iface)
-{
-  iface->get_properties = gst_v4l_probe_get_properties;
-  iface->probe_property = gst_v4l_probe_probe_property;
-  iface->needs_probe = gst_v4l_probe_needs_probe;
-  iface->get_values = gst_v4l_probe_get_values;
-}
-
-#define GST_TYPE_V4L_DEVICE_FLAGS (gst_v4l_device_get_type ())
-static GType
-gst_v4l_device_get_type (void)
-{
-  static GType v4l_device_type = 0;
-
-  if (v4l_device_type == 0) {
-    static const GFlagsValue values[] = {
-      {VID_TYPE_CAPTURE, "CAPTURE", "Device can capture"},
-      {VID_TYPE_TUNER, "TUNER", "Device has a tuner"},
-      {VID_TYPE_OVERLAY, "OVERLAY", "Device can do overlay"},
-      {VID_TYPE_MPEG_DECODER, "MPEG_DECODER", "Device can decode MPEG"},
-      {VID_TYPE_MPEG_ENCODER, "MPEG_ENCODER", "Device can encode MPEG"},
-      {VID_TYPE_MJPEG_DECODER, "MJPEG_DECODER", "Device can decode MJPEG"},
-      {VID_TYPE_MJPEG_ENCODER, "MJPEG_ENCODER", "Device can encode MJPEG"},
-      {0x10000, "AUDIO", "Device handles audio"},
-      {0, NULL, NULL}
-    };
-
-    v4l_device_type = g_flags_register_static ("GstV4lDeviceTypeFlags", values);
-  }
-
-  return v4l_device_type;
-}
-
-static void
-gst_v4lelement_init_interfaces (GType type)
-{
-  static const GInterfaceInfo v4liface_info = {
-    (GInterfaceInitFunc) gst_v4l_interface_init,
-    NULL,
-    NULL,
-  };
-  static const GInterfaceInfo v4l_tuner_info = {
-    (GInterfaceInitFunc) gst_v4l_tuner_interface_init,
-    NULL,
-    NULL,
-  };
-#ifdef HAVE_XVIDEO
-  static const GInterfaceInfo v4l_xoverlay_info = {
-    (GInterfaceInitFunc) gst_v4l_xoverlay_interface_init,
-    NULL,
-    NULL,
-  };
-#endif
-  static const GInterfaceInfo v4l_colorbalance_info = {
-    (GInterfaceInitFunc) gst_v4l_color_balance_interface_init,
-    NULL,
-    NULL,
-  };
-  static const GInterfaceInfo v4l_propertyprobe_info = {
-    (GInterfaceInitFunc) gst_v4l_property_probe_interface_init,
-    NULL,
-    NULL,
-  };
-
-  g_type_add_interface_static (type,
-      GST_TYPE_IMPLEMENTS_INTERFACE, &v4liface_info);
-  g_type_add_interface_static (type, GST_TYPE_TUNER, &v4l_tuner_info);
-#ifdef HAVE_XVIDEO
-  g_type_add_interface_static (type, GST_TYPE_X_OVERLAY, &v4l_xoverlay_info);
-#endif
-  g_type_add_interface_static (type,
-      GST_TYPE_COLOR_BALANCE, &v4l_colorbalance_info);
-  g_type_add_interface_static (type,
-      GST_TYPE_PROPERTY_PROBE, &v4l_propertyprobe_info);
-}
-
-
-static void
-gst_v4lelement_base_init (gpointer g_class)
-{
-  GstV4lElementClass *klass = GST_V4LELEMENT_CLASS (g_class);
-
-  klass->devices = NULL;
-}
-
-static void
-gst_v4lelement_class_init (GstV4lElementClass * klass)
-{
-  GObjectClass *gobject_class;
-  GstBaseSrcClass *basesrc_class;
-
-  gobject_class = (GObjectClass *) klass;
-  basesrc_class = (GstBaseSrcClass *) klass;
-
-  gobject_class->set_property = gst_v4lelement_set_property;
-  gobject_class->get_property = gst_v4lelement_get_property;
-
-  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEVICE,
-      g_param_spec_string ("device", "Device", "Device location",
-          NULL, G_PARAM_READWRITE));
-  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEVICE_NAME,
-      g_param_spec_string ("device_name", "Device name", "Name of the device",
-          NULL, G_PARAM_READABLE));
-  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FLAGS,
-      g_param_spec_flags ("flags", "Flags", "Device type flags",
-          GST_TYPE_V4L_DEVICE_FLAGS, 0, G_PARAM_READABLE));
-
-  basesrc_class->start = gst_v4lelement_start;
-  basesrc_class->stop = gst_v4lelement_stop;
-
-  gobject_class->dispose = gst_v4lelement_dispose;
-}
-
-
-static void
-gst_v4lelement_init (GstV4lElement * v4lelement, GstV4lElementClass * klass)
-{
-  /* some default values */
-  v4lelement->video_fd = -1;
-  v4lelement->buffer = NULL;
-  v4lelement->videodev = g_strdup ("/dev/video0");
-
-  v4lelement->norms = NULL;
-  v4lelement->channels = NULL;
-  v4lelement->colors = NULL;
-
-  v4lelement->xwindow_id = 0;
-}
-
-
-static void
-gst_v4lelement_dispose (GObject * object)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (object);
-
-  if (v4lelement->videodev) {
-    g_free (v4lelement->videodev);
-    v4lelement->videodev = NULL;
-  }
-
-  if (((GObjectClass *) parent_class)->dispose)
-    ((GObjectClass *) parent_class)->dispose (object);
-}
-
-
-static void
-gst_v4lelement_set_property (GObject * object,
-    guint prop_id, const GValue * value, GParamSpec * pspec)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (object);
-
-  switch (prop_id) {
-    case PROP_DEVICE:
-      if (v4lelement->videodev)
-        g_free (v4lelement->videodev);
-      v4lelement->videodev = g_strdup (g_value_get_string (value));
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-
-
-static void
-gst_v4lelement_get_property (GObject * object,
-    guint prop_id, GValue * value, GParamSpec * pspec)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (object);
-
-  switch (prop_id) {
-    case PROP_DEVICE:
-      g_value_set_string (value, v4lelement->videodev);
-      break;
-    case PROP_DEVICE_NAME:{
-      gchar *new = NULL;
-
-      if (GST_V4L_IS_OPEN (v4lelement)) {
-        new = v4lelement->vcap.name;
-      } else if (gst_v4l_open (v4lelement)) {
-        new = v4lelement->vcap.name;
-        gst_v4l_close (v4lelement);
-      }
-      g_value_set_string (value, new);
-      break;
-    }
-    case PROP_FLAGS:{
-      guint flags = 0;
-
-      if (GST_V4L_IS_OPEN (v4lelement)) {
-        flags |= v4lelement->vcap.type & 0x3C0B;
-        if (v4lelement->vcap.audios)
-          flags |= 0x10000;
-      }
-      g_value_set_flags (value, flags);
-      break;
-    }
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-
-static gboolean
-gst_v4lelement_start (GstBaseSrc * src)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (src);
-
-  if (!gst_v4l_open (v4lelement))
-    return FALSE;
-
-#ifdef HAVE_XVIDEO
-  gst_v4l_xoverlay_start (v4lelement);
-#endif
-
-  return TRUE;
-}
-
-static gboolean
-gst_v4lelement_stop (GstBaseSrc * src)
-{
-  GstV4lElement *v4lelement = GST_V4LELEMENT (src);
-
-#ifdef HAVE_XVIDEO
-  gst_v4l_xoverlay_stop (v4lelement);
-#endif
-
-  if (!gst_v4l_close (v4lelement))
-    return FALSE;
-
-  return TRUE;
-}