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| -rw-r--r-- | include/VBox/vmm/pdmwebcaminfs.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/include/VBox/vmm/pdmwebcaminfs.h b/include/VBox/vmm/pdmwebcaminfs.h new file mode 100644 index 00000000..93e17bcb --- /dev/null +++ b/include/VBox/vmm/pdmwebcaminfs.h @@ -0,0 +1,146 @@ +/* $Id: pdmwebcaminfs.h $ */ +/** @file + * webcaminfs - interfaces between dev and driver. + */ + +/* + * Copyright (C) 2011-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef VBOX_INCLUDED_vmm_pdmwebcaminfs_h +#define VBOX_INCLUDED_vmm_pdmwebcaminfs_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/types.h> + +struct VRDEVIDEOINDEVICEDESC; +struct VRDEVIDEOINPAYLOADHDR; +struct VRDEVIDEOINCTRLHDR; + + +/** @defgroup grp_pdm_ifs_webcam PDM Web Camera Interfaces + * @ingroup grp_pdm_interfaces + * @{ + */ + +/** Pointer to the web camera driver (up) interface. */ +typedef struct PDMIWEBCAMDRV *PPDMIWEBCAMDRV; +/** + * Web camera interface driver provided by the driver to the device, + * i.e. facing upwards. + */ +typedef struct PDMIWEBCAMDRV +{ + /** + * The PDM device is ready to get webcam notifications. + * + * @param pInterface Pointer to the interface. + * @param fReady Whether the device is ready. + */ + DECLR3CALLBACKMEMBER(void, pfnReady,(PPDMIWEBCAMDRV pInterface, bool fReady)); + + /** + * Send a control request to the webcam. + * + * Async response will be returned by pfnWebcamUpControl callback. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface. + * @param pvUser The callers context. + * @param idDevice Unique id for the reported webcam assigned by the driver. + * @param pCtrl The control data. + * @param cbCtrl The size of the control data. + */ + DECLR3CALLBACKMEMBER(int, pfnControl,(PPDMIWEBCAMDRV pInterface, void *pvUser, uint64_t idDevice, + struct VRDEVIDEOINCTRLHDR const *pCtrl, uint32_t cbCtrl)); +} PDMIWEBCAMDRV; +/** Interface ID for PDMIWEBCAMDRV. */ +#define PDMIWEBCAMDRV_IID "0d29b9a1-f4cd-4719-a564-38d5634ba9f8" + + +/** Pointer to the web camera driver/device (down) interface. */ +typedef struct PDMIWEBCAMDEV *PPDMIWEBCAMDEV; +/** + * Web camera interface provided by the device(/driver) interface, + * i.e. facing downwards. + */ +typedef struct PDMIWEBCAMDEV +{ + /** + * A webcam is available. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface. + * @param idDevice Unique id for the reported webcam assigned by the driver. + * @param pDeviceDesc The device description. + * @param cbDeviceDesc The size of the device description. + * @param uVersion The remote video input protocol version. + * @param fCapabilities The remote video input protocol capabilities. + */ + DECLR3CALLBACKMEMBER(int, pfnAttached,(PPDMIWEBCAMDEV pInterface, uint64_t idDevice, + struct VRDEVIDEOINDEVICEDESC const *pDeviceDesc, uint32_t cbDeviceDesc, + uint32_t uVersion, uint32_t fCapabilities)); + + /** + * The webcam is not available anymore. + * + * @param pInterface Pointer to the interface. + * @param idDevice Unique id for the reported webcam assigned by the + * driver. + */ + DECLR3CALLBACKMEMBER(void, pfnDetached,(PPDMIWEBCAMDEV pInterface, uint64_t idDevice)); + + /** + * There is a control response or a control change for the webcam. + * + * @param pInterface Pointer to the interface. + * @param fResponse True if this is a response for a previous pfnWebcamDownControl call. + * @param pvUser The pvUser parameter of the pfnWebcamDownControl call. Undefined if fResponse == false. + * @param idDevice Unique id for the reported webcam assigned by the + * driver. + * @param pCtrl The control data (defined in VRDE). + * @param cbCtrl The size of the control data. + */ + DECLR3CALLBACKMEMBER(void, pfnControl,(PPDMIWEBCAMDEV pInterface, bool fResponse, void *pvUser, + uint64_t idDevice, struct VRDEVIDEOINCTRLHDR const *pCtrl, uint32_t cbCtrl)); + + /** + * A new frame. + * + * @param pInterface Pointer to the interface. + * @param idDevice Unique id for the reported webcam assigned by the driver. + * @param pHeader Payload header (defined in VRDE). + * @param cbHeader Size of the payload header. + * @param pvFrame Frame (image) data. + * @param cbFrame Size of the image data. + */ + DECLR3CALLBACKMEMBER(void, pfnFrame,(PPDMIWEBCAMDEV pInterface, uint64_t idDevice, + struct VRDEVIDEOINPAYLOADHDR const *pHeader, uint32_t cbHeader, + const void *pvFrame, uint32_t cbFrame)); +} PDMIWEBCAMDEV; +/** Interface ID for PDMIWEBCAMDEV. */ +#define PDMIWEBCAMDEV_IID "6ac03e3c-f56c-4a35-80af-c13ce47a9dd7" + +/** @} */ + +#endif /* !VBOX_INCLUDED_vmm_pdmwebcaminfs_h */ + |