rpicamsrc: Initial commit

Simple modified gst-template to use BaseCameraSrc
Incorporate Broadcom mmal headers
This commit is contained in:
Jan Schmidt 2013-10-10 23:47:38 +11:00 committed by Tim-Philipp Müller
commit e4f74290df
2 changed files with 310 additions and 0 deletions

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/*
* GStreamer
* Copyright (C) 2013 Jan Schmidt <jan@centricular.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* 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.
*/
/**
* SECTION:element-rpicamsrc
*
* Source element for capturing from the Raspberry Pi camera module
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v -m rpicamsrc ! fakesink
* ]|
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstrpicamsrc.h"
#include "bcm_host.h"
#include "interface/vcos/vcos.h"
#include "interface/mmal/mmal.h"
#include "interface/mmal/mmal_logging.h"
#include "interface/mmal/mmal_buffer.h"
#include "interface/mmal/util/mmal_util.h"
#include "interface/mmal/util/mmal_util_params.h"
#include "interface/mmal/util/mmal_default_components.h"
#include "interface/mmal/util/mmal_connection.h"
GST_DEBUG_CATEGORY_STATIC (gst_rpi_cam_src_debug);
#define GST_CAT_DEFAULT gst_rpi_cam_src_debug
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
};
#define RAW_AND_JPEG_CAPS \
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ";" \
"image/jpeg," \
"width = " GST_VIDEO_SIZE_RANGE "," \
"height = " GST_VIDEO_SIZE_RANGE "," \
"framerate = " GST_VIDEO_FPS_RANGE
#define H264_CAPS \
"video/x-h264, " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
"stream-format = (string) { byte-stream }, " \
"alignment = (string) { au }, " \
"profile = (string) { baseline, main, high }"
static GstStaticPadTemplate video_src_template =
GST_STATIC_PAD_TEMPLATE ("vidsrc",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RAW_AND_JPEG_CAPS "; " H264_CAPS)
);
static GstStaticPadTemplate viewfind_src_template =
GST_STATIC_PAD_TEMPLATE ("vfsrc",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RAW_AND_JPEG_CAPS "; " H264_CAPS)
);
static GstStaticPadTemplate image_src_template =
GST_STATIC_PAD_TEMPLATE ("imgsrc",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RAW_AND_JPEG_CAPS)
);
#define gst_rpi_cam_src_parent_class parent_class
G_DEFINE_TYPE (GstRpiCamSrc, gst_rpi_cam_src, GST_TYPE_BASE_CAMERA_SRC);
static void gst_rpi_cam_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rpi_cam_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean
gst_rpi_cam_src_setup_pipeline (GstBaseCameraSrc *parent)
{
GstRpiCamSrc *self = GST_RPICAMSRC(parent);
g_print ("In setup_pipeline\n");
}
static void
gst_rpi_cam_src_class_init (GstRpiCamSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseCameraSrcClass *basecamsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
basecamsrc_class = (GstBaseCameraSrcClass *) klass;
gobject_class->set_property = gst_rpi_cam_src_set_property;
gobject_class->get_property = gst_rpi_cam_src_get_property;
gst_element_class_set_static_metadata (gstelement_class,
"Raspberry Pi Camera Source",
"Source/Video",
"Raspberry Pi camera module source",
"Jan Schmidt <jan@centricular.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&viewfind_src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&video_src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&image_src_template));
basecamsrc_class->setup_pipeline = gst_rpi_cam_src_setup_pipeline;
}
static void
gst_rpi_cam_src_init (GstRpiCamSrc *src)
{
}
static void
gst_rpi_cam_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRpiCamSrc *src = GST_RPICAMSRC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rpi_cam_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRpiCamSrc *src = GST_RPICAMSRC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
rpicamsrc_init (GstPlugin * rpicamsrc)
{
GST_DEBUG_CATEGORY_INIT (gst_rpi_cam_src_debug, "rpicamsrc",
0, "rpicamsrc debug");
return gst_element_register (rpicamsrc, "rpicamsrc", GST_RANK_NONE,
GST_TYPE_RPICAMSRC);
}
#ifndef PACKAGE
#define PACKAGE "gstrpicamsrc"
#endif
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
rpicamsrc,
"Raspberry Pi Camera Source",
rpicamsrc_init,
VERSION,
"LGPL",
"GStreamer",
"http://gstreamer.net/"
)

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/*
* GStreamer
* Copyright (C) 2013 Jan Schmidt <jan@centricular.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* 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_RPICAMSRC_H__
#define __GST_RPICAMSRC_H__
#include <gst/gst.h>
#include <gst/basecamerabinsrc/gstbasecamerasrc.h>
G_BEGIN_DECLS
#define GST_TYPE_RPICAMSRC (gst_rpi_cam_src_get_type())
#define GST_RPICAMSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RPICAMSRC,GstRpiCamSrc))
#define GST_RPICAMSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RPICAMSRC,GstRpiCamSrcClass))
#define GST_IS_RPICAMSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RPICAMSRC))
#define GST_IS_RPICAMSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RPICAMSRC))
typedef struct _GstRpiCamSrc GstRpiCamSrc;
typedef struct _GstRpiCamSrcClass GstRpiCamSrcClass;
struct _GstRpiCamSrc
{
GstBaseCameraSrc parent;
GstPad *viewfind_srcpad;
GstPad *video_srcpad;
GstPad *image_srcpad;
};
struct _GstRpiCamSrcClass
{
GstBaseCameraSrcClass parent_class;
};
GType gst_rpi_cam_src_get_type (void);
G_END_DECLS
#endif /* __GST_RPICAMSRC_H__ */