moved to gst-plugins-good

Original commit message from CVS:
* configure.ac:
* sys/Makefile.am:
* sys/v4l2/Makefile.am:
* sys/v4l2/README:
* sys/v4l2/gstv4l2.c:
* sys/v4l2/gstv4l2colorbalance.c:
* sys/v4l2/gstv4l2colorbalance.h:
* sys/v4l2/gstv4l2object.c:
* sys/v4l2/gstv4l2object.h:
* sys/v4l2/gstv4l2src.c:
* sys/v4l2/gstv4l2src.h:
* sys/v4l2/gstv4l2tuner.c:
* sys/v4l2/gstv4l2tuner.h:
* sys/v4l2/gstv4l2vidorient.c:
* sys/v4l2/gstv4l2vidorient.h:
* sys/v4l2/gstv4l2xoverlay.c:
* sys/v4l2/gstv4l2xoverlay.h:
* sys/v4l2/v4l2_calls.c:
* sys/v4l2/v4l2_calls.h:
* sys/v4l2/v4l2src_calls.c:
* sys/v4l2/v4l2src_calls.h:
moved to gst-plugins-good

1 files changed, 0 insertions, 748 deletions

diff --git a/sys/v4l2/v4l2_calls.c b/sys/v4l2/v4l2_calls.c
deleted file mode 100644
index 96188450..00000000
--- a/sys/v4l2/v4l2_calls.c
+++ /dev/null
@@ -1,748 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- *               2006 Edgard Lima <edgard.lima@indt.org.br>
- *
- * v4l2_calls.c - generic V4L2 calls handling
- *
- * 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/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include "v4l2_calls.h"
-#include "gstv4l2tuner.h"
-#include "gstv4l2xoverlay.h"
-#include "gstv4l2colorbalance.h"
-
-#include "gstv4l2src.h"
-
-GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
-#define GST_CAT_DEFAULT v4l2_debug
-
-/******************************************************
- * gst_v4l2_get_capabilities():
- *   get the device's capturing capabilities
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_get_capabilities (GstV4l2Object * v4l2object)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "getting capabilities");
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_QUERYCAP, &v4l2object->vcap) < 0)
-    goto cap_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-cap_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Error getting capabilities for device '%s': "
-                "It isn't a v4l2 driver. Check if it is a v4l1 driver."),
-            v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2_empty_lists() and gst_v4l2_fill_lists():
- *   fill/empty the lists of enumerations
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-static gboolean
-gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
-{
-  gint n;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "getting enumerations");
-  GST_V4L2_CHECK_OPEN (v4l2object);
-
-  GST_DEBUG_OBJECT (v4l2object->element, "  channels");
-  /* and now, the channels */
-  for (n = 0;; n++) {
-    struct v4l2_input input;
-    GstV4l2TunerChannel *v4l2channel;
-    GstTunerChannel *channel;
-
-    input.index = n;
-    if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
-      if (errno == EINVAL)
-        break;                  /* end of enumeration */
-      else {
-        GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-            (_("Failed to get %d in channel enumeration for %s."),
-                n, v4l2object->videodev), GST_ERROR_SYSTEM);
-        return FALSE;
-      }
-    }
-
-    GST_DEBUG_OBJECT (v4l2object->element, "    '%s'", input.name);
-
-    v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
-    channel = GST_TUNER_CHANNEL (v4l2channel);
-    channel->label = g_strdup ((const gchar *) input.name);
-    channel->flags = GST_TUNER_CHANNEL_INPUT;
-    v4l2channel->index = n;
-    if (input.type == V4L2_INPUT_TYPE_TUNER) {
-      struct v4l2_tuner vtun;
-
-      v4l2channel->tuner = input.tuner;
-      channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
-
-      vtun.index = input.tuner;
-      if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
-        GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-            (_("Failed to get tuner %d settings on %s."),
-                input.tuner, v4l2object->videodev), GST_ERROR_SYSTEM);
-        g_object_unref (G_OBJECT (channel));
-        return FALSE;
-      }
-      channel->freq_multiplicator =
-          62.5 * ((vtun.capability & V4L2_TUNER_CAP_LOW) ? 1 : 1000);
-      channel->min_frequency = vtun.rangelow * channel->freq_multiplicator;
-      channel->max_frequency = vtun.rangehigh * channel->freq_multiplicator;
-      channel->min_signal = 0;
-      channel->max_signal = 0xffff;
-    }
-    if (input.audioset) {
-      /* we take the first. We don't care for
-       * the others for now */
-      while (!(input.audioset & (1 << v4l2channel->audio)))
-        v4l2channel->audio++;
-      channel->flags |= GST_TUNER_CHANNEL_AUDIO;
-    }
-
-    v4l2object->channels =
-        g_list_append (v4l2object->channels, (gpointer) channel);
-  }
-
-  GST_DEBUG_OBJECT (v4l2object->element, "  norms");
-  /* norms... */
-  for (n = 0;; n++) {
-    struct v4l2_standard standard;
-    GstV4l2TunerNorm *v4l2norm;
-    GstTunerNorm *norm;
-
-    /* fill in defaults */
-    standard.frameperiod.denominator = 0;
-    standard.frameperiod.numerator = 1;
-    standard.index = n;
-    if (ioctl (v4l2object->video_fd, VIDIOC_ENUMSTD, &standard) < 0) {
-      if (errno == EINVAL)
-        break;                  /* end of enumeration */
-      else {
-        GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-            (_("Failed to get %d in norm enumeration for %s."),
-                n, v4l2object->videodev), GST_ERROR_SYSTEM);
-        return FALSE;
-      }
-    }
-
-    GST_DEBUG_OBJECT (v4l2object->element, "    '%s', fps: %d/%d",
-        standard.name, standard.frameperiod.denominator,
-        standard.frameperiod.numerator);
-
-    v4l2norm = g_object_new (GST_TYPE_V4L2_TUNER_NORM, NULL);
-    norm = GST_TUNER_NORM (v4l2norm);
-    norm->label = g_strdup ((const gchar *) standard.name);
-    gst_value_set_fraction (&norm->framerate,
-        standard.frameperiod.denominator, standard.frameperiod.numerator);
-    v4l2norm->index = standard.id;
-
-    v4l2object->norms = g_list_append (v4l2object->norms, (gpointer) norm);
-  }
-
-  GST_DEBUG_OBJECT (v4l2object->element, "  controls+menus");
-  /* and lastly, controls+menus (if appropriate) */
-  for (n = V4L2_CID_BASE;; n++) {
-    struct v4l2_queryctrl control;
-    GstV4l2ColorBalanceChannel *v4l2channel;
-    GstColorBalanceChannel *channel;
-
-    /* when we reached the last official CID, continue with private CIDs */
-    if (n == V4L2_CID_LASTP1) {
-      GST_DEBUG_OBJECT (v4l2object->element, "checking private CIDs");
-      n = V4L2_CID_PRIVATE_BASE;
-      /* FIXME: We are still not handling private controls. We need a new GstInterface
-         to export those controls */
-      break;
-    }
-
-    control.id = n;
-    if (ioctl (v4l2object->video_fd, VIDIOC_QUERYCTRL, &control) < 0) {
-      if (errno == EINVAL) {
-        if (n < V4L2_CID_PRIVATE_BASE)
-          /* continue so that we also check private controls */
-          continue;
-        else
-          break;
-      } else {
-        GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-            (_("Failed to get %d in control enumeration for %s."),
-                n, v4l2object->videodev), GST_ERROR_SYSTEM);
-        return FALSE;
-      }
-    }
-    if (control.flags & V4L2_CTRL_FLAG_DISABLED)
-      continue;
-
-    switch (n) {
-      case V4L2_CID_BRIGHTNESS:
-      case V4L2_CID_CONTRAST:
-      case V4L2_CID_SATURATION:
-      case V4L2_CID_HUE:
-      case V4L2_CID_BLACK_LEVEL:
-      case V4L2_CID_AUTO_WHITE_BALANCE:
-      case V4L2_CID_DO_WHITE_BALANCE:
-      case V4L2_CID_RED_BALANCE:
-      case V4L2_CID_BLUE_BALANCE:
-      case V4L2_CID_GAMMA:
-      case V4L2_CID_EXPOSURE:
-      case V4L2_CID_AUTOGAIN:
-      case V4L2_CID_GAIN:
-        /* we only handle these for now (why?) */
-        break;
-      case V4L2_CID_HFLIP:
-      case V4L2_CID_VFLIP:
-      case V4L2_CID_HCENTER:
-      case V4L2_CID_VCENTER:
-        /* not handled here, handled by VideoOrientation interface */
-        control.id++;
-        break;
-      case V4L2_CID_AUDIO_VOLUME:
-      case V4L2_CID_AUDIO_BALANCE:
-      case V4L2_CID_AUDIO_BASS:
-      case V4L2_CID_AUDIO_TREBLE:
-      case V4L2_CID_AUDIO_MUTE:
-      case V4L2_CID_AUDIO_LOUDNESS:
-        /* FIXME: We should implement GstMixer interface */
-        /* fall through */
-      default:
-        GST_DEBUG_OBJECT (v4l2object->element,
-            "ControlID %s (%x) unhandled, FIXME", control.name, n);
-        control.id++;
-        break;
-    }
-    if (n != control.id)
-      continue;
-
-    GST_DEBUG_OBJECT (v4l2object->element,
-        "Adding ControlID %s (%x)", control.name, n);
-    v4l2channel = g_object_new (GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, NULL);
-    channel = GST_COLOR_BALANCE_CHANNEL (v4l2channel);
-    channel->label = g_strdup ((const gchar *) control.name);
-    v4l2channel->id = n;
-
-#if 0                           /* FIXME: it will be need just when handling private controls
-                                   (currently none of base controls are of this type) */
-    if (control.type == V4L2_CTRL_TYPE_MENU) {
-      struct v4l2_querymenu menu, *mptr;
-      int i;
-
-      menu.id = n;
-      for (i = 0;; i++) {
-        menu.index = i;
-        if (ioctl (v4l2object->video_fd, VIDIOC_QUERYMENU, &menu) < 0) {
-          if (errno == EINVAL)
-            break;              /* end of enumeration */
-          else {
-            GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
-                (_("Failed to get %d in menu enumeration for %s"),
-                    n, v4l2object->videodev), GST_ERROR_SYSTEM);
-            return FALSE;
-          }
-        }
-        mptr = g_malloc (sizeof (menu));
-        memcpy (mptr, &menu, sizeof (menu));
-        menus = g_list_append (menus, mptr);
-      }
-    }
-    v4l2object->menus = g_list_append (v4l2object->menus, menus);
-#endif
-
-    switch (control.type) {
-      case V4L2_CTRL_TYPE_INTEGER:
-        channel->min_value = control.minimum;
-        channel->max_value = control.maximum;
-        break;
-      case V4L2_CTRL_TYPE_BOOLEAN:
-        channel->min_value = FALSE;
-        channel->max_value = TRUE;
-        break;
-      default:
-        /* FIXME we should find out how to handle V4L2_CTRL_TYPE_BUTTON.
-           BUTTON controls like V4L2_CID_DO_WHITE_BALANCE can just be set (1) or
-           unset (0), but can't be queried */
-        GST_DEBUG_OBJECT (v4l2object->element,
-            "Control with non supported type %s (%x), type=%d",
-            control.name, n, control.type);
-        channel->min_value = channel->max_value = 0;
-        break;
-    }
-
-    v4l2object->colors = g_list_append (v4l2object->colors, (gpointer) channel);
-  }
-
-  GST_DEBUG_OBJECT (v4l2object->element, "done");
-  return TRUE;
-}
-
-
-static void
-gst_v4l2_empty_lists (GstV4l2Object * v4l2object)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "deleting enumerations");
-
-  g_list_foreach (v4l2object->channels, (GFunc) g_object_unref, NULL);
-  g_list_free (v4l2object->channels);
-  v4l2object->channels = NULL;
-
-  g_list_foreach (v4l2object->norms, (GFunc) g_object_unref, NULL);
-  g_list_free (v4l2object->norms);
-  v4l2object->norms = NULL;
-
-  g_list_foreach (v4l2object->colors, (GFunc) g_object_unref, NULL);
-  g_list_free (v4l2object->colors);
-  v4l2object->colors = NULL;
-}
-
-/******************************************************
- * gst_v4l2_open():
- *   open the video device (v4l2object->videodev)
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_open (GstV4l2Object * v4l2object)
-{
-  struct stat st;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "Trying to open device %s",
-      v4l2object->videodev);
-
-  GST_V4L2_CHECK_NOT_OPEN (v4l2object);
-  GST_V4L2_CHECK_NOT_ACTIVE (v4l2object);
-
-  /* be sure we have a device */
-  if (!v4l2object->videodev)
-    v4l2object->videodev = g_strdup ("/dev/video");
-
-  /* check if it is a device */
-  if (stat (v4l2object->videodev, &st) == -1)
-    goto stat_failed;
-
-  if (!S_ISCHR (st.st_mode))
-    goto no_device;
-
-  /* open the device */
-  v4l2object->video_fd =
-      open (v4l2object->videodev, O_RDWR /* | O_NONBLOCK */ );
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    goto not_open;
-
-  /* get capabilities, error will be posted */
-  if (!gst_v4l2_get_capabilities (v4l2object))
-    goto error;
-
-  /* do we need to be a capture device? */
-  if (GST_IS_V4L2SRC (v4l2object) &&
-      !(v4l2object->vcap.capabilities & V4L2_CAP_VIDEO_CAPTURE))
-    goto not_capture;
-
-  /* create enumerations, posts errors. */
-  if (!gst_v4l2_fill_lists (v4l2object))
-    goto error;
-
-  GST_INFO_OBJECT (v4l2object->element,
-      "Opened device '%s' (%s) successfully",
-      v4l2object->vcap.card, v4l2object->videodev);
-
-  return TRUE;
-
-  /* ERRORS */
-stat_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
-        (_("Cannot identify device '%s'."), v4l2object->videodev),
-        GST_ERROR_SYSTEM);
-    goto error;
-  }
-no_device:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
-        (_("This isn't a device '%s'."), v4l2object->videodev),
-        GST_ERROR_SYSTEM);
-    goto error;
-  }
-not_open:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, OPEN_READ_WRITE,
-        (_("Could not open device \"%s\" for reading and writing."),
-            v4l2object->videodev), GST_ERROR_SYSTEM);
-    goto error;
-  }
-not_capture:
-  {
-    GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
-        (_("Device \"%s\" is not a capture device."),
-            v4l2object->videodev),
-        ("Capabilities: 0x%x", v4l2object->vcap.capabilities));
-    goto error;
-  }
-error:
-  {
-    if (GST_V4L2_IS_OPEN (v4l2object)) {
-      /* close device */
-      close (v4l2object->video_fd);
-      v4l2object->video_fd = -1;
-    }
-    /* empty lists */
-    gst_v4l2_empty_lists (v4l2object);
-
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2_close():
- *   close the video device (v4l2object->video_fd)
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_close (GstV4l2Object * v4l2object)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "Trying to close %s",
-      v4l2object->videodev);
-
-  GST_V4L2_CHECK_OPEN (v4l2object);
-  GST_V4L2_CHECK_NOT_ACTIVE (v4l2object);
-
-  /* close device */
-  close (v4l2object->video_fd);
-  v4l2object->video_fd = -1;
-
-  /* empty lists */
-  gst_v4l2_empty_lists (v4l2object);
-
-  return TRUE;
-}
-
-
-/******************************************************
- * gst_v4l2_get_norm()
- *   Get the norm of the current device
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_get_norm (GstV4l2Object * v4l2object, v4l2_std_id * norm)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "getting norm");
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_STD, norm) < 0)
-    goto std_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-std_failed:
-  {
-    GST_DEBUG ("Failed to get the current norm for device %s",
-        v4l2object->videodev);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2_set_norm()
- *   Set the norm of the current device
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_set_norm (GstV4l2Object * v4l2object, v4l2_std_id norm)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "trying to set norm to %llx", norm);
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_S_STD, &norm) < 0)
-    goto std_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-std_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to set norm 0x%llx for device %s: %s."),
-            norm, v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2_get_frequency():
- *   get the current frequency
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_get_frequency (GstV4l2Object * v4l2object,
-    gint tunernum, gulong * frequency)
-{
-  struct v4l2_frequency freq;
-  GstTunerChannel *channel;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "getting current tuner frequency");
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  channel = gst_tuner_get_channel (GST_TUNER (v4l2object->element));
-
-  freq.tuner = tunernum;
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq) < 0)
-    goto freq_failed;
-
-  *frequency = freq.frequency * channel->freq_multiplicator;
-
-  return TRUE;
-
-  /* ERRORS */
-freq_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to get current tuner frequency for device %s."),
-            v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2_set_frequency():
- *   set frequency
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_set_frequency (GstV4l2Object * v4l2object,
-    gint tunernum, gulong frequency)
-{
-  struct v4l2_frequency freq;
-  GstTunerChannel *channel;
-
-  GST_DEBUG_OBJECT (v4l2object->element,
-      "setting current tuner frequency to %lu", frequency);
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  channel = gst_tuner_get_channel (GST_TUNER (v4l2object->element));
-
-  freq.tuner = tunernum;
-  /* fill in type - ignore error */
-  ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq);
-  freq.frequency = frequency / channel->freq_multiplicator;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_S_FREQUENCY, &freq) < 0)
-    goto freq_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-freq_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to set current tuner frequency for device %s to %lu."),
-            v4l2object->videodev, frequency), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2_signal_strength():
- *   get the strength of the signal on the current input
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_signal_strength (GstV4l2Object * v4l2object,
-    gint tunernum, gulong * signal_strength)
-{
-  struct v4l2_tuner tuner;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "trying to get signal strength");
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  tuner.index = tunernum;
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &tuner) < 0)
-    goto tuner_failed;
-
-  *signal_strength = tuner.signal;
-
-  return TRUE;
-
-  /* ERRORS */
-tuner_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to get signal strength for device %s."),
-            v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2_get_attribute():
- *   try to get the value of one specific attribute
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_get_attribute (GstV4l2Object * v4l2object,
-    int attribute_num, int *value)
-{
-  struct v4l2_control control;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "getting value of attribute %d",
-      attribute_num);
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  control.id = attribute_num;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_CTRL, &control) < 0)
-    goto ctrl_failed;
-
-  *value = control.value;
-
-  return TRUE;
-
-  /* ERRORS */
-ctrl_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to get value for control %d on device %s."),
-            attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2_set_attribute():
- *   try to set the value of one specific attribute
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2_set_attribute (GstV4l2Object * v4l2object,
-    int attribute_num, const int value)
-{
-  struct v4l2_control control;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "setting value of attribute %d to %d",
-      attribute_num, value);
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  control.id = attribute_num;
-  control.value = value;
-  if (ioctl (v4l2object->video_fd, VIDIOC_S_CTRL, &control) < 0)
-    goto ctrl_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-ctrl_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to set value %d for control %d on device %s."),
-            value, attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-gboolean
-gst_v4l2_get_input (GstV4l2Object * v4l2object, gint * input)
-{
-  gint n;
-
-  GST_DEBUG_OBJECT (v4l2object->element, "trying to get input");
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_INPUT, &n) < 0)
-    goto input_failed;
-
-  *input = n;
-
-  return TRUE;
-
-  /* ERRORS */
-input_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to get current input on device %s."),
-            v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-gboolean
-gst_v4l2_set_input (GstV4l2Object * v4l2object, gint input)
-{
-  GST_DEBUG_OBJECT (v4l2object->element, "trying to set input to %d", input);
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_S_INPUT, &input) < 0)
-    goto input_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-input_failed:
-  {
-    GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
-        (_("Failed to set input %d on device %s."),
-            input, v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}