video.h

/*
 * iaxclient: a cross-platform IAX softphone library
 *
 * Copyrights:
 * Copyright (C) 2007, Wimba, Inc.
 *
 * Contributors:
 * Peter Grayson <jpgrayson@gmail.com>
 *
 * This program is free software, distributed under the terms of
 * the GNU Lesser (Library) General Public License.
 */

#ifndef __VIDEO_H__
#define __VIDEO_H__

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

struct iaxc_call;
struct iaxc_video_codec;
struct iaxc_video_stats;

struct iaxc_video_driver {
        /* data */
        char *name;     /* driver name */
        void *priv;     /* pointer to private data */

        /* methods */
        int (*initialize)(struct iaxc_video_driver *d, int w, int h, int framerate);
        int (*destroy)(struct iaxc_video_driver *d);  /* free resources */
        int (*select_device)(struct iaxc_video_driver *d, int input);
        int (*selected_device)(struct iaxc_video_driver *d, int *input);
        int (*start)(struct iaxc_video_driver *d);
        int (*stop)(struct iaxc_video_driver *d);
        int (*input)(struct iaxc_video_driver *d, char **data);
        int (*is_camera_working)(struct iaxc_video_driver *d);

        /* HACK ALERT!!!
         * If the requested size of the video is not 320x240, then we
         * resize the image in software rather than relying on the camera
         * to provide an adequate frame.
         */
        int needs_resize;
        int req_width;
        int req_height;
        int camera_working; /* true if the camera is working */
};

int video_initialize(void);

int video_destroy(void);

int video_send_video(struct iaxc_call *, int);

int video_recv_video(struct iaxc_call * call, int sel_call,
                void * encoded_video, int encoded_video_len,
                unsigned int ts, int format);

int video_send_stats(struct iaxc_call *);

#endif

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