mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-10-03 17:22:29 +00:00
Code Issues 1 Projects Releases Wiki Activity

Add Video Orientation interface support to v4l2src.

Browse source 
Original commit message from CVS:
Add Video Orientation interface support to v4l2src.
This commit is contained in:
Edgard Lima 2006-09-19 13:08:35 +00:00
parent cdbd5ca170
commit 7e3c500f05
5 changed files with 330 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
sys/v4l2/Makefile.am
View file

@ -13,6 +13,7 @@ libgstvideo4linux2_la_SOURCES = gstv4l2.c \
gstv4l2object.c \
gstv4l2src.c \
gstv4l2tuner.c \
gstv4l2vidorient.c \
v4l2_calls.c \
v4l2src_calls.c \
$(xv_source)
@ -33,4 +34,4 @@ libgstvideo4linux2_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
noinst_HEADERS = gstv4l2object.h v4l2_calls.h \
gstv4l2src.h v4l2src_calls.h \
gstv4l2tuner.h gstv4l2xoverlay.h \
gstv4l2colorbalance.h
gstv4l2colorbalance.h gstv4l2vidorient.h

16
sys/v4l2/gstv4l2src.c
View file

@ -54,6 +54,7 @@
#include "gstv4l2colorbalance.h"
#include "gstv4l2tuner.h"
#include "gstv4l2xoverlay.h"
#include "gstv4l2vidorient.h"
static const GstElementDetails gst_v4l2src_details =
GST_ELEMENT_DETAILS ("Video (video4linux2/raw) Source",
@ -138,6 +139,7 @@ GST_IMPLEMENT_V4L2_TUNER_METHODS (GstV4l2Src, gst_v4l2src);
#ifdef HAVE_XVIDEO
GST_IMPLEMENT_V4L2_XOVERLAY_METHODS (GstV4l2Src, gst_v4l2src);
#endif
GST_IMPLEMENT_V4L2_VIDORIENT_METHODS (GstV4l2Src, gst_v4l2src);
static gboolean
gst_v4l2src_iface_supported (GstImplementsInterface * iface, GType iface_type)
@ -146,10 +148,13 @@ gst_v4l2src_iface_supported (GstImplementsInterface * iface, GType iface_type)
#ifdef HAVE_XVIDEO
g_assert (iface_type == GST_TYPE_TUNER ||
iface_type == GST_TYPE_X_OVERLAY || iface_type == GST_TYPE_COLOR_BALANCE);
iface_type == GST_TYPE_X_OVERLAY ||
iface_type == GST_TYPE_COLOR_BALANCE ||
iface_type == GST_TYPE_VIDEO_ORIENTATION);
#else
g_assert (iface_type == GST_TYPE_TUNER ||
iface_type == GST_TYPE_COLOR_BALANCE);
iface_type == GST_TYPE_COLOR_BALANCE ||
iface_type == GST_TYPE_VIDEO_ORIENTATION);
#endif
if (v4l2object->video_fd == -1)
@ -197,6 +202,11 @@ gst_v4l2src_init_interfaces (GType type)
NULL,
NULL,
};
static const GInterfaceInfo v4l2_videoorientation_info = {
(GInterfaceInitFunc) gst_v4l2src_video_orientation_interface_init,
NULL,
NULL,
};
static const GInterfaceInfo v4l2_propertyprobe_info = {
(GInterfaceInitFunc) gst_v4l2src_property_probe_interface_init,
NULL,
@ -211,6 +221,8 @@ gst_v4l2src_init_interfaces (GType type)
#endif
g_type_add_interface_static (type,
GST_TYPE_COLOR_BALANCE, &v4l2_colorbalance_info);
g_type_add_interface_static (type,
GST_TYPE_VIDEO_ORIENTATION, &v4l2_videoorientation_info);
g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
&v4l2_propertyprobe_info);
}

96
sys/v4l2/gstv4l2vidorient.c Normal file
View file

@ -0,0 +1,96 @@
/* GStreamer
*
* Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2vidorient.c: video orientation interface implementation for V4L2
*
* 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 <gst/gst.h>
#include "gstv4l2vidorient.h"
#include "gstv4l2object.h"
#include "v4l2_calls.h"
#include "v4l2src_calls.h"
GST_DEBUG_CATEGORY_STATIC (v4l2vo_debug);
#define GST_CAT_DEFAULT v4l2vo_debug
void
gst_v4l2_video_orientation_interface_init (GstVideoOrientationInterface * klass)
{
GST_DEBUG_CATEGORY_INIT (v4l2vo_debug, "v4l2vo", 0,
"V4L2 VideoOrientation interface debugging");
}
gboolean
gst_v4l2_video_orientation_get_hflip (GstV4l2Object * v4l2object,
gboolean * flip)
{
return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HFLIP, flip);
}
extern gboolean
gst_v4l2_video_orientation_get_vflip (GstV4l2Object * v4l2object,
gboolean * flip)
{
return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VFLIP, flip);
}
extern gboolean
gst_v4l2_video_orientation_get_hcenter (GstV4l2Object * v4l2object,
gint * center)
{
return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HCENTER, center);
}
extern gboolean
gst_v4l2_video_orientation_get_vcenter (GstV4l2Object * v4l2object,
gint * center)
{
return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VCENTER, center);
}
extern gboolean
gst_v4l2_video_orientation_set_hflip (GstV4l2Object * v4l2object, gboolean flip)
{
return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HFLIP, flip);
}
extern gboolean
gst_v4l2_video_orientation_set_vflip (GstV4l2Object * v4l2object, gboolean flip)
{
return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VFLIP, flip);
}
extern gboolean
gst_v4l2_video_orientation_set_hcenter (GstV4l2Object * v4l2object, gint center)
{
return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HCENTER, center);
}
extern gboolean
gst_v4l2_video_orientation_set_vcenter (GstV4l2Object * v4l2object, gint center)
{
return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VCENTER, center);
}

127
sys/v4l2/gstv4l2vidorient.h Normal file
View file

@ -0,0 +1,127 @@
/* GStreamer
*
* Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2vidorient.h: video orientation interface implementation for V4L2
*
* 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 __GST_V4L2_VIDORIENT_H__
#define __GST_V4L2_VIDORIENT_H__
#include <gst/gst.h>
#include <gst/interfaces/videoorientation.h>
#include "gstv4l2object.h"
G_BEGIN_DECLS
extern gboolean
gst_v4l2_video_orientation_get_hflip (GstV4l2Object *v4l2object, gboolean *flip);
extern gboolean
gst_v4l2_video_orientation_get_vflip (GstV4l2Object *v4l2object, gboolean *flip);
extern gboolean
gst_v4l2_video_orientation_get_hcenter (GstV4l2Object *v4l2object, gint *center);
extern gboolean
gst_v4l2_video_orientation_get_vcenter (GstV4l2Object *v4l2object, gint *center);
extern gboolean
gst_v4l2_video_orientation_set_hflip (GstV4l2Object *v4l2object, gboolean flip);
extern gboolean
gst_v4l2_video_orientation_set_vflip (GstV4l2Object *v4l2object, gboolean flip);
extern gboolean
gst_v4l2_video_orientation_set_hcenter (GstV4l2Object *v4l2object, gint center);
extern gboolean
gst_v4l2_video_orientation_set_vcenter (GstV4l2Object *v4l2object, gint center);
extern void
gst_v4l2_video_orientation_interface_init (GstVideoOrientationInterface * klass);
#define GST_IMPLEMENT_V4L2_VIDORIENT_METHODS(Type, interface_as_function) \
\
static gboolean \
interface_as_function ## _video_orientation_get_hflip (GstVideoOrientation *vo, gboolean *flip) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_get_hflip (this->v4l2object, flip); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_get_vflip (GstVideoOrientation *vo, gboolean *flip) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_get_vflip (this->v4l2object, flip); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_get_hcenter (GstVideoOrientation *vo, gint *center) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_get_hcenter (this->v4l2object, center); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_get_vcenter (GstVideoOrientation *vo, gint *center) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_get_vcenter (this->v4l2object, center); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_set_hflip (GstVideoOrientation *vo, gboolean flip) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_set_hflip (this->v4l2object, flip); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_set_vflip (GstVideoOrientation *vo, gboolean flip) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_set_vflip (this->v4l2object, flip); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_set_hcenter (GstVideoOrientation *vo, gint center) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_set_hcenter (this->v4l2object, center); \
} \
\
static gboolean \
interface_as_function ## _video_orientation_set_vcenter (GstVideoOrientation *vo, gint center) \
{ \
Type *this = (Type*) vo; \
return gst_v4l2_video_orientation_set_vcenter (this->v4l2object, center); \
} \
\
void \
interface_as_function ## _video_orientation_interface_init (GstVideoOrientationInterface * klass) \
{ \
/* default virtual functions */ \
klass->get_hflip = interface_as_function ## _video_orientation_get_hflip; \
klass->get_vflip = interface_as_function ## _video_orientation_get_vflip; \
klass->get_hcenter = interface_as_function ## _video_orientation_get_hcenter; \
klass->get_vcenter = interface_as_function ## _video_orientation_get_vcenter; \
klass->set_hflip = interface_as_function ## _video_orientation_set_hflip; \
klass->set_vflip = interface_as_function ## _video_orientation_set_vflip; \
klass->set_hcenter = interface_as_function ## _video_orientation_set_hcenter; \
klass->set_vcenter = interface_as_function ## _video_orientation_set_vcenter; \
}
#endif /* __GST_V4L2_VIDORIENT_H__ */

93
tests/icles/v4l2src-test.c
View file

@ -5,6 +5,7 @@
#include <gst/gst.h>
#include <gst/interfaces/tuner.h>
#include <gst/interfaces/colorbalance.h>
#include <gst/interfaces/videoorientation.h>
GstElement *pipeline, *source, *sink;
GMainLoop *loop;
@ -17,6 +18,7 @@ print_options ()
printf ("i - to change the input\n");
printf ("n - to change the norm\n");
printf ("c - list color balance\n");
printf ("v - change video orientarion\n");
printf ("e - to exit\n");
}
@ -34,7 +36,8 @@ run_options (char opt)
freq = gst_tuner_get_frequency (tuner, channel);
printf ("type the new frequency (current = %lu) (-1 to cancel): ", freq);
printf ("\ntype the new frequency (current = %lu) (-1 to cancel): ",
freq);
scanf ("%u", &freq);
if (freq != -1)
gst_tuner_set_frequency (tuner, channel, freq);
@ -134,13 +137,15 @@ run_options (char opt)
controls = gst_color_balance_list_channels (balance);
printf ("\n");
if (controls == NULL) {
printf ("There is no list of colorbalance controls\n");
goto done;
}
if (controls) {
printf ("\nlist of controls:\n");
printf ("list of controls:\n");
for (item = controls, index = 0; item != NULL;
item = item->next, ++index) {
channel = item->data;
@ -165,6 +170,90 @@ run_options (char opt)
gst_color_balance_set_value (balance, channel, new_value);
}
}
case 'v':
{
GstVideoOrientation *vidorient = GST_VIDEO_ORIENTATION (source);
gboolean flip = FALSE;
gint center = 0;
printf ("\n");
if (gst_video_orientation_get_hflip (vidorient, &flip)) {
gint new_value;
printf ("Horizontal flip is %s\n", flip ? "on" : "off");
printf ("\ntype 1 to toggle (-1 to cancel): ");
scanf ("%d", &new_value);
if (new_value == 1) {
flip = !flip;
if (gst_video_orientation_set_hflip (vidorient, flip)) {
gst_video_orientation_get_hflip (vidorient, &flip);
printf ("Now horizontal flip is %s\n", flip ? "on" : "off");
} else {
printf ("Error toggling horizontal flip\n");
}
} else {
}
} else {
printf ("Horizontal flip control not available\n");
}
if (gst_video_orientation_get_vflip (vidorient, &flip)) {
gint new_value;
printf ("\nVertical flip is %s\n", flip ? "on" : "off");
printf ("\ntype 1 to toggle (-1 to cancel): ");
scanf ("%d", &new_value);
if (new_value == 1) {
flip = !flip;
if (gst_video_orientation_set_vflip (vidorient, flip)) {
gst_video_orientation_get_vflip (vidorient, &flip);
printf ("Now vertical flip is %s\n", flip ? "on" : "off");
} else {
printf ("Error toggling vertical flip\n");
}
} else {
}
} else {
printf ("Vertical flip control not available\n");
}
if (gst_video_orientation_get_hcenter (vidorient, &center)) {
printf ("Horizontal center is %d\n", center);
printf ("\ntype the new horizontal center value (-1 to cancel): ");
scanf ("%d", &center);
if (center != -1) {
if (gst_video_orientation_set_hcenter (vidorient, center)) {
gst_video_orientation_get_hcenter (vidorient, &center);
printf ("Now horizontal center is %d\n", center);
} else {
printf ("Error setting horizontal center\n");
}
} else {
}
} else {
printf ("Horizontal center control not available\n");
}
if (gst_video_orientation_get_vcenter (vidorient, &center)) {
printf ("Vertical center is %d\n", center);
printf ("\ntype the new vertical center value (-1 to cancel): ");
scanf ("%d", &center);
if (center != -1) {
if (gst_video_orientation_set_vcenter (vidorient, center)) {
gst_video_orientation_get_vcenter (vidorient, &center);
printf ("Now vertical center is %d\n", center);
} else {
printf ("Error setting vertical center\n");
}
} else {
}
} else {
printf ("Vertical center control not available\n");
}
}
break;
break;
default:
if (opt != 10)