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/* GStreamer Raspberry Pi Camera Source Device Provider
* Copyright (C) 2014 Tim-Philipp Müller <tim@centricular.com>
*
* 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 "gstrpicamsrcdeviceprovider.h"
#include <string.h>
#include "RaspiCapture.h"
/* FIXME: translations */
#define _(s) s
static GstRpiCamSrcDevice *gst_rpi_cam_src_device_new (void);
G_DEFINE_TYPE (GstRpiCamSrcDeviceProvider, gst_rpi_cam_src_device_provider,
GST_TYPE_DEVICE_PROVIDER);
static GList *gst_rpi_cam_src_device_provider_probe (GstDeviceProvider *
provider);
static void
gst_rpi_cam_src_device_provider_class_init (GstRpiCamSrcDeviceProviderClass *
klass)
{
GstDeviceProviderClass *dprovider_class = GST_DEVICE_PROVIDER_CLASS (klass);
dprovider_class->probe = gst_rpi_cam_src_device_provider_probe;
gst_device_provider_class_set_static_metadata (dprovider_class,
"Raspberry Pi Camera Source Device Provider", "Source/Video",
"Lists Raspberry Pi camera devices",
"Tim-Philipp Müller <tim@centricular.com>");
}
static void
gst_rpi_cam_src_device_provider_init (GstRpiCamSrcDeviceProvider * provider)
{
raspicapture_init ();
}
static GList *
gst_rpi_cam_src_device_provider_probe (GstDeviceProvider * provider)
{
GstRpiCamSrcDevice *device;
int supported = 0, detected = 0;
raspicamcontrol_get_camera (&supported, &detected);
if (!detected) {
GST_INFO ("No Raspberry Pi camera module detected.");
return NULL;
} else if (!supported) {
GST_WARNING
("Raspberry Pi camera module not supported, make sure to enable it.");
return NULL;
}
GST_INFO ("Raspberry Pi camera module detected and supported.");
device = gst_rpi_cam_src_device_new ();
return g_list_append (NULL, device);
}
G_DEFINE_TYPE (GstRpiCamSrcDevice, gst_rpi_cam_src_device, GST_TYPE_DEVICE);
static GstElement *gst_rpi_cam_src_device_create_element (GstDevice * device,
const gchar * name);
static void
gst_rpi_cam_src_device_class_init (GstRpiCamSrcDeviceClass * klass)
{
GstDeviceClass *device_class = GST_DEVICE_CLASS (klass);
device_class->create_element = gst_rpi_cam_src_device_create_element;
}
static void
gst_rpi_cam_src_device_init (GstRpiCamSrcDevice * device)
{
/* nothing to do here */
}
static GstElement *
gst_rpi_cam_src_device_create_element (GstDevice * device, const gchar * name)
{
return gst_element_factory_make ("rpicamsrc", name);
}
static GstRpiCamSrcDevice *
gst_rpi_cam_src_device_new (void)
{
GstRpiCamSrcDevice *device;
GValue profiles = G_VALUE_INIT;
GValue val = G_VALUE_INIT;
GstStructure *s;
GstCaps *caps;
/* FIXME: retrieve limits from the camera module, max width/height/fps etc. */
s = gst_structure_new ("video/x-h264",
"width", GST_TYPE_INT_RANGE, 1, 1920,
"height", GST_TYPE_INT_RANGE, 1, 1080,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, RPICAMSRC_MAX_FPS, 1,
"stream-format", G_TYPE_STRING, "byte-stream",
"alignment", G_TYPE_STRING, "au", NULL);
g_value_init (&profiles, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_STRING);
g_value_set_static_string (&val, "high");
gst_value_list_append_value (&profiles, &val);
g_value_set_static_string (&val, "main");
gst_value_list_append_value (&profiles, &val);
g_value_set_static_string (&val, "constrained-baseline");
gst_value_list_append_value (&profiles, &val);
g_value_set_static_string (&val, "baseline");
gst_value_list_append_and_take_value (&profiles, &val);
gst_structure_take_value (s, "profiles", &profiles);
caps = gst_caps_new_full (s, NULL);
device = g_object_new (GST_TYPE_RPICAMSRC_DEVICE,
"display-name", _("Raspberry Pi Camera Module"),
"device-class", "Video/Source", "caps", caps, NULL);
gst_caps_unref (caps);
return device;
}
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