cvd_src/Linux/kernel-video1394.h

/*                       
    This file is part of the CVD Library.

    Copyright (C) 2005 The Authors

    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 2.1 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 CVD_KERNEL_VIDEO1394_H
#define CVD_KERNEL_VIDEO1394_H

//Header file which contains stuff which is 100% compatible with 
//drivers/ieee1394/video1394.h
//without including any GPL code.


#include <sys/ioctl.h>
#include <sys/time.h>

#define SYNC_FRAMES      1

struct cvd_video1394_mmap 
{
    int channel_number;
    unsigned int syncronization_tag;
    unsigned int num_buffers;
    unsigned int buffer_size;
    unsigned int size_of_packet;
    unsigned int frames_per_second;
    unsigned int syt_time_offset;
    unsigned int capture_flags;     
};

struct cvd_video1394_wait 
{
    unsigned int channel_number;
    unsigned int buffer;
    struct timeval time;                //Buffer filled up at this time
};


//Define the ioctls

#if (((CVD_KERNEL_MAJOR==2) && (CVD_KERNEL_MINOR==6)) || (CVD_KERNEL_MAJOR>=3))
    #define LISTEN_CHANNEL          _IOWR('#', 0x10, struct cvd_video1394_mmap)
    #define UNLISTEN_CHANNEL        _IOW ('#', 0x11, int)
    #define LISTEN_QUEUE_BUFFER     _IOW ('#', 0x12, struct cvd_video1394_wait)
    #define LISTEN_WAIT_BUFFER      _IOWR('#', 0x13, struct cvd_video1394_wait)
    #define LISTEN_POLL_BUFFER      _IOWR('#', 0x18, struct cvd_video1394_wait)
#elif ((CVD_KERNEL_MAJOR==2) && (CVD_KERNEL_MINOR==4))
    #define LISTEN_CHANNEL          0
    #define UNLISTEN_CHANNEL        1
    #define LISTEN_QUEUE_BUFFER     2
    #define LISTEN_WAIT_BUFFER      3
    #define LISTEN_POLL_BUFFER      8
#else 
    #define UNKNOWN_KERNEL
#endif

#endif