140 lines
4.1 KiB
C
140 lines
4.1 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_AVI_DEV_H__
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#define __PJMEDIA_VIDEODEV_AVI_DEV_H__
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/**
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* @file avi_dev.h
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* @brief AVI player virtual device
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*/
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#include <pjmedia-videodev/videodev.h>
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#include <pjmedia/avi_stream.h>
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PJ_BEGIN_DECL
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/**
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* @defgroup avi_dev AVI Player Virtual Device
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* @ingroup video_device_api
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* @brief AVI player virtual device
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* @{
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* This describes a virtual capture device which takes its input from an AVI
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* file.
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*/
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/**
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* Settings for the AVI player virtual device. This param corresponds to
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* PJMEDIA_VID_DEV_CAP_AVI_PLAY capability of the video device/stream.
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*/
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typedef struct pjmedia_avi_dev_param
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{
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/**
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* Specifies the full path of the AVI file to be played.
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*/
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pj_str_t path;
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/**
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* If this setting is specified when setting the device, this specifies
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* the title to be assigned as the device name. If this setting not
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* specified, the filename part of the path will be used.
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*/
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pj_str_t title;
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/**
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* The underlying AVI streams created by the device. If the value is NULL,
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* that means the device has not been configured yet. Application can use
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* this field to retrieve the audio stream of the AVI. This setting is
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* "get"-only and will be ignored in "set capability" operation.
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*/
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pjmedia_avi_streams *avi_streams;
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} pjmedia_avi_dev_param;
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/**
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* Reset pjmedia_avi_dev_param with the default settings. This mostly will
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* reset all values to NULL or zero.
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*
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* @param p The parameter to be initialized.
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*/
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PJ_DECL(void) pjmedia_avi_dev_param_default(pjmedia_avi_dev_param *p);
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/**
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* Create a AVI device factory, and register it to the video device
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* subsystem. At least one factory needs to be created before an AVI
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* device can be allocated and used, and normally only one factory is
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* needed per application.
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*
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* @param pf Pool factory to be used.
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* @param max_dev Number of devices to be reserved.
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* @param p_ret Pointer to return the factory instance, to be
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* used when allocating a virtual device.
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*
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* @return PJ_SUCCESS on success or the appropriate error code.
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*/
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PJ_DECL(pj_status_t) pjmedia_avi_dev_create_factory(
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pj_pool_factory *pf,
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unsigned max_dev,
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pjmedia_vid_dev_factory **p_ret);
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/**
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* Allocate one device ID to be used to play the specified AVI file in
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* the parameter.
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*
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* @param param The parameter, with at least the AVI file path
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* set.
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* @param p_id Optional pointer to receive device ID to play
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* the file.
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*
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* @return PJ_SUCCESS or the appropriate error code.
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*
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*/
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PJ_DECL(pj_status_t) pjmedia_avi_dev_alloc(pjmedia_vid_dev_factory *f,
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pjmedia_avi_dev_param *param,
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pjmedia_vid_dev_index *p_id);
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/**
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* Retrieve the parameters set for the virtual device.
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*
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* @param id Device ID.
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* @param prm Structure to receive the settings.
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*
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* @return PJ_SUCCESS or the appropriate error code.
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*/
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PJ_DECL(pj_status_t) pjmedia_avi_dev_get_param(pjmedia_vid_dev_index id,
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pjmedia_avi_dev_param *param);
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/**
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* Free the resources associated with the virtual device.
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*
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* @param id The device ID.
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*
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* @return PJ_SUCCESS or the appropriate error code.
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*/
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PJ_DECL(pj_status_t) pjmedia_avi_dev_free(pjmedia_vid_dev_index id);
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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_AVI_DEV_H__ */
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