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Diffstat (limited to 'sys/v4l/v4l_calls.h')
| -rw-r--r-- | sys/v4l/v4l_calls.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/sys/v4l/v4l_calls.h b/sys/v4l/v4l_calls.h deleted file mode 100644 index 1f1d90a7..00000000 --- a/sys/v4l/v4l_calls.h +++ /dev/null @@ -1,154 +0,0 @@ -/* GStreamer - * - * v4l_calls.h: header for generic V4L calls - * - * 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. - */ - -#ifndef __V4L_CALLS_H__ -#define __V4L_CALLS_H__ - -#include "gstv4lelement.h" -#include "gst/gst-i18n-plugin.h" - - -G_BEGIN_DECLS - - -/* simple check whether the device is open */ -#define GST_V4L_IS_OPEN(element) \ - (GST_V4LELEMENT (element)->video_fd > 0) - -/* check whether the device is 'active' */ -#define GST_V4L_IS_ACTIVE(element) \ - (GST_V4LELEMENT (element)->buffer != NULL) - -#define GST_V4L_IS_OVERLAY(element) \ - (GST_V4LELEMENT (element)->vcap.type & VID_TYPE_OVERLAY) - -/* checks whether the current v4lelement has already been open()'ed or not */ -#define GST_V4L_CHECK_OPEN(element) \ - if (!GST_V4L_IS_OPEN (element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ - (_("Device is not open.")), (NULL)); \ - return FALSE; \ - } - -/* checks whether the current v4lelement is close()'ed or whether it is still open */ -#define GST_V4L_CHECK_NOT_OPEN(element) \ - if (GST_V4L_IS_OPEN (element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ - (_("Device is open.")), (NULL)); \ - return FALSE; \ - } - -/* checks whether the current v4lelement does video overlay */ -#define GST_V4L_CHECK_OVERLAY(element) \ - if (!(element->vcap.type & VID_TYPE_OVERLAY)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ - (NULL), ("Device cannot handle overlay")); \ - return FALSE; \ - } - -/* checks whether we're in capture mode or not */ -#define GST_V4L_CHECK_ACTIVE(element) \ - if (!GST_V4L_IS_ACTIVE (element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ - (NULL), ("Device is not in streaming mode")); \ - return FALSE; \ - } - -/* checks whether we're out of capture mode or not */ -#define GST_V4L_CHECK_NOT_ACTIVE(element) \ - if (GST_V4L_IS_ACTIVE (element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ - (NULL), ("Device is in streaming mode")); \ - return FALSE; \ - } - - -typedef enum { - V4L_PICTURE_HUE = 0, - V4L_PICTURE_BRIGHTNESS, - V4L_PICTURE_CONTRAST, - V4L_PICTURE_SATURATION, -} GstV4lPictureType; - -typedef enum { - V4L_AUDIO_VOLUME = 0, - V4L_AUDIO_MUTE, - V4L_AUDIO_MODE, /* stereo, mono, ... (see videodev.h) */ -} GstV4lAudioType; - - -/* open/close the device */ -gboolean gst_v4l_open (GstV4lElement *v4lelement); -gboolean gst_v4l_close (GstV4lElement *v4lelement); - -/* norm control (norm = VIDEO_MODE_{PAL|NTSC|SECAM|AUTO}) */ -gboolean gst_v4l_get_chan_norm (GstV4lElement *v4lelement, - gint *channel, - gint *norm); -gboolean gst_v4l_set_chan_norm (GstV4lElement *v4lelement, - gint channel, - gint norm); -GList *gst_v4l_get_chan_names (GstV4lElement *v4lelement); - -/* frequency control */ -gboolean gst_v4l_get_signal (GstV4lElement *v4lelement, - gint tunernum, - guint *signal); -gboolean gst_v4l_get_frequency (GstV4lElement *v4lelement, - gint tunernum, - gulong *frequency); -gboolean gst_v4l_set_frequency (GstV4lElement *v4lelement, - gint tunernum, - gulong frequency); - -/* picture control */ -gboolean gst_v4l_get_picture (GstV4lElement *v4lelement, - GstV4lPictureType type, - gint *value); -gboolean gst_v4l_set_picture (GstV4lElement *v4lelement, - GstV4lPictureType type, - gint value); - -/* audio control */ -gboolean gst_v4l_get_audio (GstV4lElement *v4lelement, - gint audionum, - GstV4lAudioType type, - gint *value); -gboolean gst_v4l_set_audio (GstV4lElement *v4lelement, - gint audionum, - GstV4lAudioType type, - gint value); - -/* functions that v4lsrc needs */ -gboolean gst_v4l_set_window_properties (GstV4lElement * v4lelement); -gboolean gst_v4l_get_capabilities (GstV4lElement * v4lelement); - - -G_END_DECLS - - -#endif /* __V4L_CALLS_H__ */ |