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, 977 deletions

diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c
deleted file mode 100644
index 64a1acac..00000000
--- a/sys/v4l2/v4l2src_calls.c
+++ /dev/null
@@ -1,977 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- *               2006 Edgard Lima <edgard.lima@indt.org.br>
- *
- * v4l2src.c - system calls
- *
- * 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 <stdlib.h>
-#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 "v4l2src_calls.h"
-#include <sys/time.h>
-#include <unistd.h>
-
-#include "gstv4l2tuner.h"
-
-GST_DEBUG_CATEGORY_EXTERN (v4l2src_debug);
-#define GST_CAT_DEFAULT v4l2src_debug
-
-/* lalala... */
-#define GST_V4L2_SET_ACTIVE(element) (element)->buffer = GINT_TO_POINTER (-1)
-#define GST_V4L2_SET_INACTIVE(element) (element)->buffer = NULL
-
-#define DEBUG(format, args...) \
-	GST_CAT_DEBUG_OBJECT (\
-		v4l2src_debug, v4l2src, \
-		"V4L2SRC: " format, ##args)
-
-/* On some systems MAP_FAILED seems to be missing */
-#ifndef MAP_FAILED
-#define MAP_FAILED ((caddr_t) -1)
-#endif
-
-/******************************************************
- * gst_v4l2src_fill_format_list():
- *   create list of supported capture formats
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_fill_format_list (GstV4l2Src * v4l2src)
-{
-  gint n;
-  struct v4l2_fmtdesc *format;
-
-  GST_DEBUG_OBJECT (v4l2src, "getting src format enumerations");
-
-  /* format enumeration */
-  for (n = 0;; n++) {
-    format = g_new (struct v4l2_fmtdesc, 1);
-
-    format->index = n;
-    format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-    if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_ENUM_FMT, format) < 0) {
-      if (errno == EINVAL) {
-        break;                  /* end of enumeration */
-      } else
-        goto failed;
-    }
-    GST_LOG_OBJECT (v4l2src, "got format %" GST_FOURCC_FORMAT,
-        GST_FOURCC_ARGS (format->pixelformat));
-
-    v4l2src->formats = g_slist_prepend (v4l2src->formats, format);
-  }
-  return TRUE;
-
-  /* ERRORS */
-failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
-        (_("Failed to get number %d in pixelformat enumeration for %s."),
-            n, v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
-    g_free (format);
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2src_clear_format_list():
- *   free list of supported capture formats
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_clear_format_list (GstV4l2Src * v4l2src)
-{
-  g_slist_foreach (v4l2src->formats, (GFunc) g_free, NULL);
-  g_slist_free (v4l2src->formats);
-  v4l2src->formats = NULL;
-
-  return TRUE;
-}
-
-
-/******************************************************
- * gst_v4l2src_queue_frame():
- *   queue a frame for capturing
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_queue_frame (GstV4l2Src * v4l2src, guint i)
-{
-  GST_LOG_OBJECT (v4l2src, "queueing frame %u", i);
-
-  if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF,
-          &v4l2src->pool->buffers[i].buffer) < 0)
-    goto failed;
-
-  return TRUE;
-
-  /* ERRORS */
-failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, WRITE,
-        (_("Could not write to device '%s'."),
-            v4l2src->v4l2object->videodev),
-        ("Error queueing buffer %u on device %s. system error: %s", i,
-            v4l2src->v4l2object->videodev, g_strerror (errno)));
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2src_grab_frame ():
- *   grab a frame for capturing
- * return value: The captured frame number or -1 on error.
- ******************************************************/
-gint
-gst_v4l2src_grab_frame (GstV4l2Src * v4l2src)
-{
-  struct v4l2_buffer buffer;
-  gint32 trials = 100;
-
-  memset (&buffer, 0x00, sizeof (buffer));
-  buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-  buffer.memory = v4l2src->breq.memory;
-  while (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_DQBUF, &buffer) < 0) {
-    /* if the sync() got interrupted, we can retry */
-    switch (errno) {
-      case EAGAIN:
-        GST_DEBUG_OBJECT (v4l2src,
-            "Non-blocking I/O has been selected using O_NONBLOCK and"
-            " no buffer was in the outgoing queue. device %s",
-            v4l2src->v4l2object->videodev);
-        break;
-      case EINVAL:
-        goto einval;
-      case ENOMEM:
-        goto nomem;
-      case EIO:
-        GST_DEBUG_OBJECT (v4l2src,
-            "VIDIOC_DQBUF failed due to an internal error."
-            " Can also indicate temporary problems like signal loss."
-            " Note the driver might dequeue an (empty) buffer despite"
-            " returning an error, or even stop capturing."
-            " device %s", v4l2src->v4l2object->videodev);
-        break;
-      case EINTR:
-        GST_DEBUG_OBJECT (v4l2src,
-            "could not sync on a buffer on device %s",
-            v4l2src->v4l2object->videodev);
-        break;
-      default:
-        GST_ELEMENT_WARNING (v4l2src, RESOURCE, FAILED,
-            (_("Grabbing frame got interrupted on %s. No expected reason."),
-                v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
-        break;
-    }
-
-    if (--trials == -1) {
-      goto too_many_trials;
-    } else {
-      ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF, &buffer);
-      memset (&buffer, 0x00, sizeof (buffer));
-      buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-      buffer.memory = v4l2src->breq.memory;
-    }
-  }
-
-  GST_LOG_OBJECT (v4l2src, "grabbed frame %d", buffer.index);
-
-  return buffer.index;
-
-  /* ERRORS */
-einval:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, FAILED,
-        (_("Failed trying to get frames from device %s."),
-            v4l2src->v4l2object->videodev),
-        (_("The buffer type is not supported, or the index is out of bounds,"
-                " or no buffers have been allocated yet, or the userptr"
-                " or length are invalid. device %s"),
-            v4l2src->v4l2object->videodev));
-    return -1;
-  }
-nomem:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, FAILED,
-        (_("Failed trying to get frames from device %s. Not enough memory."),
-            v4l2src->v4l2object->videodev),
-        (_("insufficient memory to enqueue a user pointer buffer. device %s."),
-            v4l2src->v4l2object->videodev));
-    return -1;
-  }
-too_many_trials:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, FAILED,
-        (_("Failed trying to get frames from device %s."),
-            v4l2src->v4l2object->videodev),
-        (_("Failed after 100 tries. device %s."),
-            v4l2src->v4l2object->videodev));
-    return -1;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2src_get_capture():
- *   get capture parameters
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_get_capture (GstV4l2Src * v4l2src)
-{
-  DEBUG ("Getting capture format");
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-
-  memset (&v4l2src->format, 0, sizeof (struct v4l2_format));
-  v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-  if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_G_FMT, &v4l2src->format) < 0)
-    goto fmt_failed;
-
-  return TRUE;
-
-  /* ERRORS */
-fmt_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
-        (_("Failed to get pixelformat for device %s."),
-            v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2src_set_capture():
- *   set capture parameters
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_set_capture (GstV4l2Src * v4l2src,
-    struct v4l2_fmtdesc * fmt, gint * width, gint * height,
-    guint * fps_n, guint * fps_d)
-{
-  guint new_fps_n = *fps_n;
-  guint new_fps_d = *fps_d;
-
-  DEBUG ("Setting capture format to %dx%d, format %s",
-      *width, *height, fmt->description);
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-  GST_V4L2_CHECK_NOT_ACTIVE (v4l2src->v4l2object);
-
-  /* error was posted */
-  if (!gst_v4l2src_get_capture (v4l2src))
-    goto fail;
-
-  v4l2src->format.fmt.pix.width = *width;
-  v4l2src->format.fmt.pix.height = *height;
-  v4l2src->format.fmt.pix.pixelformat = fmt->pixelformat;
-  v4l2src->format.fmt.pix.field = V4L2_FIELD_INTERLACED;
-  v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-  if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_S_FMT, &v4l2src->format) < 0)
-    goto fmt_failed;
-
-  if (*width != v4l2src->format.fmt.pix.width ||
-      *height != v4l2src->format.fmt.pix.height) {
-    DEBUG ("Updating size from %dx%d to %dx%d, format %s",
-        *width, *height, v4l2src->format.fmt.pix.width,
-        v4l2src->format.fmt.pix.height, fmt->description);
-  }
-
-  /* update internal info, posted error */
-  if (!gst_v4l2src_get_capture (v4l2src))
-    goto fail;
-
-  if (fmt->pixelformat != v4l2src->format.fmt.pix.pixelformat)
-    goto pixfmt_failed;
-
-  if (*fps_n) {
-    if (gst_v4l2src_set_fps (v4l2src, &new_fps_n, &new_fps_d)) {
-      if (new_fps_n != *fps_n || new_fps_d != *fps_d) {
-        DEBUG ("Updating framerate from %u/%u to %u%u",
-            *fps_n, *fps_d, new_fps_n, new_fps_d);
-        *fps_n = new_fps_n;
-        *fps_d = new_fps_d;
-      }
-    }
-  } else {
-    if (gst_v4l2src_get_fps (v4l2src, &new_fps_n, &new_fps_d)) {
-      DEBUG ("framerate is %u/%u", new_fps_n, new_fps_d);
-      *fps_n = new_fps_n;
-      *fps_d = new_fps_d;
-    }
-  }
-
-  *width = v4l2src->format.fmt.pix.width;
-  *height = v4l2src->format.fmt.pix.height;
-
-  return TRUE;
-
-  /* ERRORS */
-fmt_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
-        (_("Failed to set pixelformat to %s @ %dx%d for device %s: %s."),
-            fmt->description, *width, *height, v4l2src->v4l2object->videodev),
-        GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-pixfmt_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
-        (_("Failed to set pixelformat to %s @ %dx%d for device %s: %s."),
-            fmt->description, *width, *height, v4l2src->v4l2object->videodev),
-        GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-fail:
-  {
-    /* ERROR was posted */
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2src_capture_init():
- *   initialize the capture system
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
-{
-  gint n;
-  guint buffers;
-  GstV4l2Buffer *buffer;
-
-  GST_DEBUG_OBJECT (v4l2src, "initting the capture system");
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-  GST_V4L2_CHECK_NOT_ACTIVE (v4l2src->v4l2object);
-
-  /* request buffer info */
-  buffers = v4l2src->breq.count;
-
-  if (v4l2src->breq.count > GST_V4L2_MAX_BUFFERS)
-    v4l2src->breq.count = GST_V4L2_MAX_BUFFERS;
-  else if (v4l2src->breq.count < GST_V4L2_MIN_BUFFERS)
-    v4l2src->breq.count = GST_V4L2_MIN_BUFFERS;
-
-  v4l2src->breq.type = v4l2src->format.type;
-  if (v4l2src->v4l2object->vcap.capabilities & V4L2_CAP_STREAMING) {
-    v4l2src->breq.memory = V4L2_MEMORY_MMAP;
-    if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_REQBUFS,
-            &v4l2src->breq) < 0)
-      goto reqbufs_failed;
-
-    GST_LOG_OBJECT (v4l2src, "using default mmap method");
-  } else if (v4l2src->v4l2object->vcap.capabilities & V4L2_CAP_READWRITE) {
-    v4l2src->breq.memory = 0;
-    GST_INFO_OBJECT (v4l2src, "using fallback read method");
-  } else
-    goto broken_driver;
-
-  /* Determine the device's framerate */
-  if (!gst_v4l2src_update_fps (v4l2src->v4l2object)) {
-    GST_DEBUG_OBJECT (v4l2src, "frame rate is unknown.");
-    v4l2src->fps_d = 1;
-    v4l2src->fps_n = 0;
-  }
-
-  if (v4l2src->breq.memory > 0) {
-    if (v4l2src->breq.count < GST_V4L2_MIN_BUFFERS)
-      goto no_buffers;
-
-    if (v4l2src->breq.count != buffers)
-      g_object_notify (G_OBJECT (v4l2src), "num_buffers");
-
-    GST_INFO_OBJECT (v4l2src,
-        "Got %d buffers (%" GST_FOURCC_FORMAT ") of size %d KB",
-        v4l2src->breq.count,
-        GST_FOURCC_ARGS (v4l2src->format.fmt.pix.pixelformat),
-        v4l2src->format.fmt.pix.sizeimage / 1024);
-
-    /* Map the buffers */
-    GST_LOG_OBJECT (v4l2src, "initiating buffer pool");
-
-    v4l2src->pool = g_new (GstV4l2BufferPool, 1);
-    gst_atomic_int_set (&v4l2src->pool->refcount, 1);
-    v4l2src->pool->video_fd = v4l2src->v4l2object->video_fd;
-    v4l2src->pool->buffer_count = v4l2src->breq.count;
-    v4l2src->pool->buffers = g_new0 (GstV4l2Buffer, v4l2src->breq.count);
-
-    for (n = 0; n < v4l2src->breq.count; n++) {
-      buffer = &v4l2src->pool->buffers[n];
-
-      gst_atomic_int_set (&buffer->refcount, 1);
-      buffer->pool = v4l2src->pool;
-      memset (&buffer->buffer, 0x00, sizeof (buffer->buffer));
-      buffer->buffer.index = n;
-      buffer->buffer.type = v4l2src->breq.type;
-      buffer->buffer.memory = v4l2src->breq.memory;
-
-      if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QUERYBUF,
-              &buffer->buffer) < 0)
-        goto querybuf_failed;
-
-      buffer->start =
-          mmap (0, buffer->buffer.length, PROT_READ | PROT_WRITE, MAP_SHARED,
-          v4l2src->v4l2object->video_fd, buffer->buffer.m.offset);
-
-      if (buffer->start == MAP_FAILED)
-        goto mmap_failed;
-
-      buffer->length = buffer->buffer.length;
-      if (!gst_v4l2src_queue_frame (v4l2src, n))
-        goto queue_failed;
-    }
-  } else {
-    GST_LOG_OBJECT (v4l2src, "no buffer pool used");
-    v4l2src->pool = NULL;
-  }
-
-  GST_V4L2_SET_ACTIVE (v4l2src->v4l2object);
-
-  return TRUE;
-
-  /* ERRORS */
-reqbufs_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
-        (_("Could not get buffers from device '%s'."),
-            v4l2src->v4l2object->videodev),
-        ("error requesting %d buffers. system error: %s",
-            v4l2src->breq.count, g_strerror (errno)));
-    return FALSE;
-  }
-broken_driver:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
-        (_("The driver of device '%s' is broken."),
-            v4l2src->v4l2object->videodev),
-        ("no supported read capability from %s",
-            v4l2src->v4l2object->videodev));
-    return FALSE;
-  }
-no_buffers:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
-        (_("Could not get enough buffers from device '%s'."),
-            v4l2src->v4l2object->videodev),
-        ("we received %d, we want at least %d",
-            v4l2src->breq.count, GST_V4L2_MIN_BUFFERS));
-    v4l2src->breq.count = buffers;
-    return FALSE;
-  }
-querybuf_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
-        (_("Could not get buffer properties of buffer %d."), n),
-        GST_ERROR_SYSTEM);
-    gst_v4l2src_capture_deinit (v4l2src);
-    return FALSE;
-  }
-mmap_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
-        (_("Could not mmap video buffer %d."), n), GST_ERROR_SYSTEM);
-    gst_v4l2src_capture_deinit (v4l2src);
-    buffer->start = 0;
-    return FALSE;
-  }
-queue_failed:
-  {
-    gst_v4l2src_capture_deinit (v4l2src);
-    return FALSE;
-  }
-}
-
-
-/******************************************************
- * gst_v4l2src_capture_start():
- *   start streaming capture
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_capture_start (GstV4l2Src * v4l2src)
-{
-  gint type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-  GST_DEBUG_OBJECT (v4l2src, "starting the capturing");
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-  GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
-
-  v4l2src->quit = FALSE;
-
-  if (v4l2src->breq.memory != 0) {
-    if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMON, &type) < 0)
-      goto streamon_failed;
-  }
-
-  v4l2src->is_capturing = TRUE;
-
-  return TRUE;
-
-  /* ERRORS */
-streamon_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, OPEN_READ,
-        (_("Error starting streaming capture from device %s."),
-            v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-/******************************************************
- * gst_v4l2src_capture_stop():
- *   stop streaming capture
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_capture_stop (GstV4l2Src * v4l2src)
-{
-  gint type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-  GST_DEBUG_OBJECT (v4l2src, "stopping capturing");
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-  GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
-
-  if (v4l2src->breq.memory != 0) {
-    /* we actually need to sync on all queued buffers but not
-     * on the non-queued ones */
-    if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMOFF, &type) < 0)
-      goto streamoff_failed;
-  }
-
-  /* make an optional pending wait stop */
-  v4l2src->quit = TRUE;
-  v4l2src->is_capturing = FALSE;
-
-  return TRUE;
-
-  /* ERRORS */
-streamoff_failed:
-  {
-    GST_ELEMENT_ERROR (v4l2src, RESOURCE, CLOSE,
-        (_("Error stopping streaming capture from device %s."),
-            v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-}
-
-static void
-gst_v4l2src_buffer_pool_free (GstV4l2BufferPool * pool, gboolean do_close)
-{
-  guint i;
-
-  for (i = 0; i < pool->buffer_count; i++) {
-    gst_atomic_int_set (&pool->buffers[i].refcount, 0);
-    munmap (pool->buffers[i].start, pool->buffers[i].length);
-  }
-  g_free (pool->buffers);
-  gst_atomic_int_set (&pool->refcount, 0);
-  if (do_close)
-    close (pool->video_fd);
-  g_free (pool);
-}
-
-/******************************************************
- * gst_v4l2src_capture_deinit():
- *   deinitialize the capture system
- * return value: TRUE on success, FALSE on error
- ******************************************************/
-gboolean
-gst_v4l2src_capture_deinit (GstV4l2Src * v4l2src)
-{
-  gint i;
-  gboolean try_reinit = FALSE;
-
-  GST_DEBUG_OBJECT (v4l2src, "deinitting capture system");
-
-  GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
-  GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
-
-  if (v4l2src->pool) {
-    /* free the buffers */
-    for (i = 0; i < v4l2src->breq.count; i++) {
-      if (g_atomic_int_dec_and_test (&v4l2src->pool->buffers[i].refcount)) {
-        if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_DQBUF,
-                &v4l2src->pool->buffers[i].buffer) < 0)
-          GST_DEBUG_OBJECT (v4l2src,
-              "Could not dequeue buffer on uninitialization."
-              "system error: %s. Will try reinit instead", g_strerror (errno));
-        try_reinit = TRUE;
-      }
-    }
-    if (g_atomic_int_dec_and_test (&v4l2src->pool->refcount)) {
-      /* we're last thing that used all this */
-      gst_v4l2src_buffer_pool_free (v4l2src->pool, FALSE);
-    }
-    v4l2src->pool = NULL;
-    /* This is our second try to get the buffers dequeued.
-     * Since buffers are normally dequeued automatically when capturing is
-     * stopped, but may be enqueued before capturing has started, you get
-     * a problem when you abort before capturing started but have enqueued
-     * the buffers. We avoid that by starting/stopping capturing once so
-     * they get auto-dequeued.
-     */
-    if (try_reinit) {
-      if (!gst_v4l2src_capture_start (v4l2src) ||
-          !gst_v4l2src_capture_stop (v4l2src)) {
-        GST_DEBUG_OBJECT (v4l2src, "failed reinit device");
-        return FALSE;
-      }
-    }
-  }
-
-  GST_V4L2_SET_INACTIVE (v4l2src->v4l2object);
-
-  return TRUE;
-}
-
-/*
- */
-gboolean
-gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
-    struct v4l2_fmtdesc * format,
-    gint * min_w, gint * max_w, gint * min_h, gint * max_h)
-{
-
-  struct v4l2_format fmt;
-
-  GST_LOG_OBJECT (v4l2src,
-      "getting size limits with format %" GST_FOURCC_FORMAT,
-      GST_FOURCC_ARGS (format->pixelformat));
-
-  /* get size delimiters */
-  memset (&fmt, 0, sizeof (fmt));
-  fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-  fmt.fmt.pix.width = 0;
-  fmt.fmt.pix.height = 0;
-  fmt.fmt.pix.pixelformat = format->pixelformat;
-  fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
-  if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
-    GST_DEBUG_OBJECT (v4l2src, "failed to get min size: %s",
-        g_strerror (errno));
-    return FALSE;
-  }
-
-  if (min_w)
-    *min_w = fmt.fmt.pix.width;
-  if (min_h)
-    *min_h = fmt.fmt.pix.height;
-
-  GST_LOG_OBJECT (v4l2src,
-      "got min size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
-
-  fmt.fmt.pix.width = GST_V4L2_MAX_SIZE;
-  fmt.fmt.pix.height = GST_V4L2_MAX_SIZE;
-  if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
-    GST_DEBUG_OBJECT (v4l2src, "failed to get max size: %s",
-        g_strerror (errno));
-    return FALSE;
-  }
-
-  if (max_w)
-    *max_w = fmt.fmt.pix.width;
-  if (max_h)
-    *max_h = fmt.fmt.pix.height;
-
-  GST_LOG_OBJECT (v4l2src,
-      "got max size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
-
-  return TRUE;
-}
-
-gboolean
-gst_v4l2src_update_fps (GstV4l2Object * v4l2object)
-{
-  GstV4l2Src *v4l2src = GST_V4L2SRC (v4l2object->element);
-
-  return gst_v4l2src_get_fps (v4l2src, &v4l2src->fps_n, &v4l2src->fps_d);
-}
-
-
-gboolean
-gst_v4l2src_set_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
-{
-  GstV4l2Object *v4l2object = v4l2src->v4l2object;
-  struct v4l2_streamparm stream;
-
-  GST_LOG_OBJECT (v4l2src, "setting fps %d, %d", *fps_n, *fps_d);
-
-  memset (&stream, 0x00, sizeof (struct v4l2_streamparm));
-  stream.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_PARM, &stream) < 0)
-    goto gparm_failed;
-
-  if (!(stream.parm.capture.capability & V4L2_CAP_TIMEPERFRAME))
-    goto no_timeperframe;
-
-  stream.parm.capture.timeperframe.denominator = *fps_n;
-  stream.parm.capture.timeperframe.numerator = *fps_d;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_S_PARM, &stream) < 0)
-    goto sparm_failed;
-
-  *fps_n = stream.parm.capture.timeperframe.denominator;
-  *fps_d = stream.parm.capture.timeperframe.numerator;
-
-  GST_LOG_OBJECT (v4l2src, "fps set to %d, %d", *fps_n, *fps_d);
-
-  return TRUE;
-
-  /* ERRORS */
-gparm_failed:
-  {
-    GST_DEBUG_OBJECT (v4l2src, "failed to get PARM: %s", g_strerror (errno));
-    return FALSE;
-  }
-no_timeperframe:
-  {
-    GST_DEBUG_OBJECT (v4l2src, "no V4L2_CAP_TIMEPERFRAME");
-    return FALSE;
-  }
-sparm_failed:
-  {
-    GST_DEBUG_OBJECT (v4l2src, "failed to set PARM: %s", g_strerror (errno));
-    return FALSE;
-  }
-}
-
-gboolean
-gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
-{
-  GstV4l2Object *v4l2object = v4l2src->v4l2object;
-  v4l2_std_id norm;
-  struct v4l2_streamparm stream;
-  const GList *item;
-  gboolean found;
-
-  if (!GST_V4L2_IS_OPEN (v4l2object))
-    return FALSE;
-
-  /* Try to get the frame rate directly from the device using VIDIOC_G_PARM */
-  memset (&stream, 0x00, sizeof (struct v4l2_streamparm));
-  stream.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-  if (ioctl (v4l2object->video_fd, VIDIOC_G_PARM, &stream) < 0) {
-    GST_DEBUG_OBJECT (v4l2src, "failed to get PARM: %s", g_strerror (errno));
-    goto try_stds;
-  }
-
-  if (!(stream.parm.capture.capability & V4L2_CAP_TIMEPERFRAME)) {
-    GST_DEBUG_OBJECT (v4l2src, "no V4L2_CAP_TIMEPERFRAME");
-    goto try_stds;
-  }
-
-  /* Note: V4L2 gives us the frame interval, we need the frame rate */
-  *fps_n = stream.parm.capture.timeperframe.denominator;
-  *fps_d = stream.parm.capture.timeperframe.numerator;
-
-  GST_DEBUG_OBJECT (v4l2src,
-      "frame rate returned by G_PARM: %d/%d fps", *fps_n, *fps_d);
-  /* and we are done now */
-  goto done;
-
-try_stds:
-  /* If G_PARM failed, try to get the same information from the video standard */
-  if (!gst_v4l2_get_norm (v4l2object, &norm))
-    return FALSE;
-
-  found = FALSE;
-  for (item = v4l2object->norms; item != NULL; item = item->next) {
-    GstV4l2TunerNorm *v4l2norm = item->data;
-
-    if (v4l2norm->index == norm) {
-      GValue *framerate = &GST_TUNER_NORM (v4l2norm)->framerate;
-
-      *fps_n = gst_value_get_fraction_numerator (framerate);
-      *fps_d = gst_value_get_fraction_denominator (framerate);
-
-      GST_DEBUG_OBJECT (v4l2src,
-          "frame rate returned by get_norm: %d/%d fps", *fps_n, *fps_d);
-      found = TRUE;
-      break;
-    }
-  }
-  /* nothing found, that's an error */
-  if (!found)
-    goto failed;
-
-done:
-  return TRUE;
-
-  /* ERRORS */
-failed:
-  {
-    GST_DEBUG_OBJECT (v4l2src, "failed to get framerate");
-    return FALSE;
-  }
-}
-
-#define GST_TYPE_V4L2SRC_BUFFER (gst_v4l2src_buffer_get_type())
-#define GST_IS_V4L2SRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2SRC_BUFFER))
-#define GST_V4L2SRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2SRC_BUFFER, GstV4l2SrcBuffer))
-
-typedef struct _GstV4l2SrcBuffer
-{
-  GstBuffer buffer;
-
-  GstV4l2Buffer *buf;
-} GstV4l2SrcBuffer;
-
-static void gst_v4l2src_buffer_class_init (gpointer g_class,
-    gpointer class_data);
-static void gst_v4l2src_buffer_init (GTypeInstance * instance,
-    gpointer g_class);
-static void gst_v4l2src_buffer_finalize (GstV4l2SrcBuffer * v4l2src_buffer);
-
-GType
-gst_v4l2src_buffer_get_type (void)
-{
-  static GType _gst_v4l2src_buffer_type;
-
-  if (G_UNLIKELY (_gst_v4l2src_buffer_type == 0)) {
-    static const GTypeInfo v4l2src_buffer_info = {
-      sizeof (GstBufferClass),
-      NULL,
-      NULL,
-      gst_v4l2src_buffer_class_init,
-      NULL,
-      NULL,
-      sizeof (GstV4l2SrcBuffer),
-      0,
-      gst_v4l2src_buffer_init,
-      NULL
-    };
-    _gst_v4l2src_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
-        "GstV4l2SrcBuffer", &v4l2src_buffer_info, 0);
-  }
-  return _gst_v4l2src_buffer_type;
-}
-
-static void
-gst_v4l2src_buffer_class_init (gpointer g_class, gpointer class_data)
-{
-  GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
-
-  mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
-      gst_v4l2src_buffer_finalize;
-}
-
-static void
-gst_v4l2src_buffer_init (GTypeInstance * instance, gpointer g_class)
-{
-
-}
-
-static void
-gst_v4l2src_buffer_finalize (GstV4l2SrcBuffer * v4l2src_buffer)
-{
-  GstV4l2Buffer *buf = v4l2src_buffer->buf;
-
-  if (buf) {
-    GST_LOG ("freeing buffer %p (nr. %d)", buf, buf->buffer.index);
-
-    if (!g_atomic_int_dec_and_test (&buf->refcount)) {
-      /* we're still in use, add to queue again 
-         note: this might fail because the device is already stopped (race) */
-      if (ioctl (buf->pool->video_fd, VIDIOC_QBUF, &buf->buffer) < 0)
-        GST_INFO ("readding to queue failed, assuming video device is stopped");
-    }
-    if (g_atomic_int_dec_and_test (&buf->pool->refcount)) {
-      /* we're last thing that used all this */
-      gst_v4l2src_buffer_pool_free (buf->pool, TRUE);
-    }
-  }
-}
-
-/* Create a V4l2Src buffer from our mmap'd data area */
-GstBuffer *
-gst_v4l2src_buffer_new (GstV4l2Src * v4l2src, guint size, guint8 * data,
-    GstV4l2Buffer * srcbuf)
-{
-  GstBuffer *buf;
-  GstClockTime timestamp, duration;
-  GstClock *clock;
-
-  if (data == NULL) {
-    buf = gst_buffer_new_and_alloc (size);
-  } else {
-    buf = (GstBuffer *) gst_mini_object_new (GST_TYPE_V4L2SRC_BUFFER);
-    GST_BUFFER_DATA (buf) = data;
-    GST_V4L2SRC_BUFFER (buf)->buf = srcbuf;
-    GST_LOG_OBJECT (v4l2src,
-        "creating buffer  %p (nr. %d)", srcbuf, srcbuf->buffer.index);
-  }
-  GST_BUFFER_SIZE (buf) = size;
-
-  GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);
-
-  /* timestamps, LOCK to get clock and base time. */
-  GST_OBJECT_LOCK (v4l2src);
-  if ((clock = GST_ELEMENT_CLOCK (v4l2src))) {
-    /* we have a clock, get base time and ref clock */
-    timestamp = GST_ELEMENT (v4l2src)->base_time;
-    gst_object_ref (clock);
-  } else {
-    /* no clock, can't set timestamps */
-    timestamp = GST_CLOCK_TIME_NONE;
-  }
-  GST_OBJECT_UNLOCK (v4l2src);
-
-  if (clock) {
-    /* the time now is the time of the clock minus the base time */
-    timestamp = gst_clock_get_time (clock) - timestamp;
-    gst_object_unref (clock);
-  }
-
-  if (v4l2src->fps_n > 0) {
-    duration =
-        gst_util_uint64_scale_int (GST_SECOND, v4l2src->fps_d, v4l2src->fps_n);
-  } else {
-    duration = GST_CLOCK_TIME_NONE;
-  }
-  GST_BUFFER_TIMESTAMP (buf) = timestamp;
-  GST_BUFFER_DURATION (buf) = duration;
-
-  /* offsets */
-  GST_BUFFER_OFFSET (buf) = v4l2src->offset++;
-  GST_BUFFER_OFFSET_END (buf) = v4l2src->offset;
-
-  /* the negotiate() method already set caps on the source pad */
-  gst_buffer_set_caps (buf, GST_PAD_CAPS (GST_BASE_SRC_PAD (v4l2src)));
-
-  return buf;
-}