121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
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/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJMEDIA_VIDEODEV_VIDEODEV_H__
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#define __PJMEDIA_VIDEODEV_VIDEODEV_H__
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/**
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* @file videodev.h
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* @brief Video device API.
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*/
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#include <pjmedia/videodev.h>
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PJ_BEGIN_DECL
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/**
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* @defgroup video_device_reference Video Subsystem API Reference
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* @ingroup video_subsystem_api
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* @brief API Reference
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* @{
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*/
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/**
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* Initialize the video device subsystem. This will register all supported
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* video device factories to the video device subsystem. This function may be
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* called more than once, but each call to this function must have the
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* corresponding #pjmedia_vid_dev_subsys_shutdown() call.
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*
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* @param pf The pool factory.
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*
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* @return PJ_SUCCESS on successful operation or the appropriate
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* error code.
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*/
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PJ_DECL(pj_status_t) pjmedia_vid_dev_subsys_init(pj_pool_factory *pf);
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/**
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* Get the pool factory registered to the video device subsystem.
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*
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* @return The pool factory.
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*/
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PJ_DECL(pj_pool_factory*) pjmedia_vid_dev_subsys_get_pool_factory(void);
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/**
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* Shutdown the video device subsystem. This will destroy all video device
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* factories registered in the video device subsystem. Note that currently
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* opened video streams may or may not be closed, depending on the
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* implementation of the video device factories.
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*
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* @return PJ_SUCCESS on successful operation or the appropriate
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* error code.
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*/
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PJ_DECL(pj_status_t) pjmedia_vid_dev_subsys_shutdown(void);
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/**
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* Register a supported video device factory to the video device subsystem.
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* Application can either register a function to create the factory, or
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* an instance of an already created factory.
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*
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* This function can only be called after calling
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* #pjmedia_vid_dev_subsys_init().
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*
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* @param vdf The factory creation function. Either vdf or factory
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* argument must be specified.
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* @param factory Factory instance. Either vdf or factory
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* argument must be specified.
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*
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* @return PJ_SUCCESS on successful operation or the appropriate
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* error code.
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*/
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PJ_DECL(pj_status_t)
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pjmedia_vid_register_factory(pjmedia_vid_dev_factory_create_func_ptr vdf,
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pjmedia_vid_dev_factory *factory);
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/**
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* Unregister a video device factory from the video device subsystem. This
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* function can only be called after calling #pjmedia_vid_dev_subsys_init().
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* Devices from this factory will be unlisted. If a device from this factory
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* is currently in use, then the behavior is undefined.
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*
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* @param vdf The video device factory. Either vdf or factory argument
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* must be specified.
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* @param factory The factory instance. Either vdf or factory argument
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* must be specified.
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*
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* @return PJ_SUCCESS on successful operation or the appropriate
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* error code.
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*/
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PJ_DECL(pj_status_t)
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pjmedia_vid_unregister_factory(pjmedia_vid_dev_factory_create_func_ptr vdf,
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pjmedia_vid_dev_factory *factory);
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/**
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* @}
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*/
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PJ_END_DECL
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#endif /* __PJMEDIA_VIDEODEV_VIDEODEV_H__ */
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