mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
a04e6b0cb2
ahssrc is a new plugin that enables Gstreamer to read from the android.hardware.Sensor Android sensors. These sensors are treated as buffers and can be passed through and manipulated by the pipeline. https://bugzilla.gnome.org/show_bug.cgi?id=768110
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/* GStreamer android.hardware.Sensor Source
|
|
* Copyright (C) 2016 SurroundIO
|
|
* Author: Martin Kelly <martin@surround.io>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef _GST_AHSSRC_H__
|
|
#define _GST_AHSSRC_H__
|
|
|
|
#include <gst/base/gstdataqueue.h>
|
|
#include <gst/base/gstpushsrc.h>
|
|
|
|
#include "gst-android-hardware-sensor.h"
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_AHS_SRC (gst_ahs_src_get_type())
|
|
#define GST_AHS_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AHS_SRC,GstAHSSrc))
|
|
#define GST_AHS_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AHS_SRC,GstAHSSrcClass))
|
|
#define GST_IS_AHS_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AHS_SRC))
|
|
#define GST_IS_AHS_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AHS_SRC))
|
|
typedef struct _GstAHSSrc GstAHSSrc;
|
|
typedef struct _GstAHSSrcClass GstAHSSrcClass;
|
|
|
|
struct _GstAHSSrc
|
|
{
|
|
/* < private > */
|
|
GstPushSrc parent;
|
|
|
|
/* properties */
|
|
gint32 sensor_delay;
|
|
gdouble alpha;
|
|
guint sample_interval;
|
|
|
|
/* sensor type information */
|
|
GEnumClass *sensor_enum_class;
|
|
gint sensor_type;
|
|
const gchar *sensor_type_name;
|
|
|
|
/* JNI wrapper classes */
|
|
GstAHSensorManager *manager;
|
|
GstAHSensor *sensor;
|
|
GstAHSensorEventListener *listener;
|
|
|
|
/* timestamping */
|
|
GstClockTime previous_time;
|
|
gfloat *current_sample;
|
|
|
|
/* buffers */
|
|
gboolean callback_registered;
|
|
gint sample_index;
|
|
gint sample_length;
|
|
gint buffer_size;
|
|
|
|
/* multiprocessing */
|
|
GstDataQueue *queue;
|
|
};
|
|
|
|
struct _GstAHSSrcClass
|
|
{
|
|
GstPushSrcClass parent_class;
|
|
};
|
|
|
|
GType gst_ahs_src_get_type (void);
|
|
|
|
G_END_DECLS
|
|
#endif
|