add virtual camera

report us being a ptp class camera

libgphoto2_port/vusb/Makefile-files

@@ -10,4 +10,4 @@ vusb_la_CPPFLAGS = \
 vusb_la_DEPENDENCIES = $(iolib_dependencies)
 vusb_la_LIBADD = $(iolib_libadd)
 vusb_la_LIBADD += $(INTLLIBS)
-vusb_la_SOURCES = vusb/vusb.c
+vusb_la_SOURCES = vusb/vusb.c vusb/vcamera.c vusb/vcamera.h

libgphoto2_port/vusb/vcamera.c

@@ -0,0 +1,66 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* camera.c
+ *
+ * Copyright (c) 2015 Marcus Meissner <marcus@jet.franken.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details. 
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+#include <gphoto2/gphoto2-port-library.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/time.h>
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#include <string.h>
+
+#include "vcamera.h"
+
+#include <gphoto2/gphoto2-port.h>
+#include <gphoto2/gphoto2-port-result.h>
+#include <gphoto2/gphoto2-port-log.h>
+
+#ifdef ENABLE_NLS
+#  include <libintl.h>
+#  undef _
+#  define _(String) dgettext (GETTEXT_PACKAGE, String)
+#  ifdef gettext_noop
+#    define N_(String) gettext_noop (String)
+#  else
+#    define N_(String) (String)
+#  endif
+#else
+#  define textdomain(String) (String)
+#  define gettext(String) (String)
+#  define dgettext(Domain,Message) (Message)
+#  define dcgettext(Domain,Message,Type) (Message)
+#  define bindtextdomain(Domain,Directory) (Domain)
+#  define _(String) (String)
+#  define N_(String) (String)
+#endif
+
+#define CHECK(result) {int r=(result); if (r<0) return (r);}
+
+vcamera*
+vcamera_new(void) {
+	return calloc(sizeof(vcamera),1);
+}

libgphoto2_port/vusb/vcamera.h

@@ -0,0 +1,32 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* vcamera.h
+ *
+ * Copyright (c) 2015 Marcus Meissner <marcus@jet.franken.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details. 
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ */
+
+#ifndef __VCAMERA_H__
+#define __VCAMERA_H__
+
+typedef struct vcamera {
+	int (*open)(struct vcamera*);
+	int (*close)(struct vcamera*);
+} vcamera;
+
+vcamera *vcamera_new(void);
+
+#endif

libgphoto2_port/vusb/vusb.c

@@ -259,6 +259,9 @@ static int
 gp_port_vusb_find_device_by_class_lib(GPPort *port, int class, int subclass, int protocol)
 {
 	gp_log(GP_LOG_DEBUG,__FUNCTION__,"(0x%02x,0x%02x,0x%02x)", class, subclass, protocol);
+
+	if ((class == 6) && (subclass == 1) && (protocol == 1))
+		return GP_OK;
         return GP_ERROR_IO_USB_FIND;
 }