diff options
Diffstat (limited to 'sys/v4l2/v4l2_calls.h')
| -rw-r--r-- | sys/v4l2/v4l2_calls.h | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/sys/v4l2/v4l2_calls.h b/sys/v4l2/v4l2_calls.h deleted file mode 100644 index 5000cf21..00000000 --- a/sys/v4l2/v4l2_calls.h +++ /dev/null @@ -1,129 +0,0 @@ -/* GStreamer - * - * Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net> - * 2006 Edgard Lima <edgard.lima@indt.org.br> - * - * v4l2_calls.h - 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. - */ - -#ifndef __V4L2_CALLS_H__ -#define __V4L2_CALLS_H__ - -#include "gstv4l2object.h" -#include "gst/gst-i18n-plugin.h" - - -/* simple check whether the device is open */ -#define GST_V4L2_IS_OPEN(v4l2object) \ - (v4l2object->video_fd > 0) - -/* check whether the device is 'active' */ -#define GST_V4L2_IS_ACTIVE(v4l2object) \ - (v4l2object->buffer != NULL) - -#define GST_V4L2_IS_OVERLAY(v4l2object) \ - (v4l2object->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY) - -/* checks whether the current v4lv4l2object has already been open()'ed or not */ -#define GST_V4L2_CHECK_OPEN(v4l2object) \ - if (!GST_V4L2_IS_OPEN(v4l2object)) \ - { \ - GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ - (_("Device is not open.")), (NULL)); \ - return FALSE; \ - } - -/* checks whether the current v4lv4l2object is close()'ed or whether it is still open */ -#define GST_V4L2_CHECK_NOT_OPEN(v4l2object) \ - if (GST_V4L2_IS_OPEN(v4l2object)) \ - { \ - GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ - (_("Device is open.")), (NULL)); \ - return FALSE; \ - } - -/* checks whether the current v4lv4l2object does video overlay */ -#define GST_V4L2_CHECK_OVERLAY(v4l2object) \ - if (!GST_V4L2_IS_OVERLAY(v4l2object)) \ - { \ - GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ - (NULL), ("Device cannot handle overlay")); \ - return FALSE; \ - } - -/* checks whether we're in capture mode or not */ -#define GST_V4L2_CHECK_ACTIVE(v4l2object) \ - if (!GST_V4L2_IS_ACTIVE(v4l2object)) \ - { \ - GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ - (NULL), ("Device is not in streaming mode")); \ - return FALSE; \ - } - -/* checks whether we're out of capture mode or not */ -#define GST_V4L2_CHECK_NOT_ACTIVE(v4l2object) \ - if (GST_V4L2_IS_ACTIVE(v4l2object)) \ - { \ - GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ - (NULL), ("Device is in streaming mode")); \ - return FALSE; \ - } - - -/* open/close the device */ -gboolean gst_v4l2_open (GstV4l2Object *v4l2object); -gboolean gst_v4l2_close (GstV4l2Object *v4l2object); - -/* norm/input/output */ -gboolean gst_v4l2_get_norm (GstV4l2Object *v4l2object, - v4l2_std_id *norm); -gboolean gst_v4l2_set_norm (GstV4l2Object *v4l2object, - v4l2_std_id norm); -gboolean gst_v4l2_get_input (GstV4l2Object * v4l2object, - gint * input); -gboolean gst_v4l2_set_input (GstV4l2Object * v4l2object, - gint input); -#if 0 /* output not handled by now */ -gboolean gst_v4l2_get_output (GstV4l2Object *v4l2object, - gint *output); -gboolean gst_v4l2_set_output (GstV4l2Object *v4l2object, - gint output); -#endif /* #if 0 - output not handled by now */ - -/* frequency control */ -gboolean gst_v4l2_get_frequency (GstV4l2Object *v4l2object, - gint tunernum, - gulong *frequency); -gboolean gst_v4l2_set_frequency (GstV4l2Object *v4l2object, - gint tunernum, - gulong frequency); -gboolean gst_v4l2_signal_strength (GstV4l2Object *v4l2object, - gint tunernum, - gulong *signal); - -/* attribute control */ -gboolean gst_v4l2_get_attribute (GstV4l2Object *v4l2object, - int attribute, - int *value); -gboolean gst_v4l2_set_attribute (GstV4l2Object *v4l2object, - int attribute, - const int value); - -gboolean gst_v4l2_get_capabilities (GstV4l2Object * v4l2object); - -#endif /* __V4L2_CALLS_H__ */ |