/* $NetBSD: dtvio_demux.h,v 1.4 2025/11/15 19:12:13 jmcneill Exp $ */

/*-
 * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DEV_DTV_DTVIO_DEMUX_H
#define _DEV_DTV_DTVIO_DEMUX_H

#include <sys/types.h>
#include <sys/ioccom.h>

/*
 * DVB Demux API
 */

typedef enum {
        DMX_OUT_DECODER,
        DMX_OUT_TAP,
        DMX_OUT_TS_TAP,
        DMX_OUT_TSDEMUX_TAP,
} dmx_output_t;

typedef enum {
        DMX_IN_FRONTEND,
        DMX_IN_DVR,
} dmx_input_t;

typedef enum {
        DMX_PES_AUDIO0,
        DMX_PES_VIDEO0,
        DMX_PES_TELETEXT0,
        DMX_PES_SUBTITLE0,
        DMX_PES_PCR0,

        DMX_PES_AUDIO1,
        DMX_PES_VIDEO1,
        DMX_PES_TELETEXT1,
        DMX_PES_SUBTITLE1,
        DMX_PES_PCR1,

        DMX_PES_AUDIO2,
        DMX_PES_VIDEO2,
        DMX_PES_TELETEXT2,
        DMX_PES_SUBTITLE2,
        DMX_PES_PCR2,

        DMX_PES_AUDIO3,
        DMX_PES_VIDEO3,
        DMX_PES_TELETEXT3,
        DMX_PES_SUBTITLE3,
        DMX_PES_PCR3,

        DMX_PES_OTHER,
} dmx_pes_type_t;

#define DMX_PES_AUDIO           DMX_PES_AUDIO0
#define DMX_PES_VIDEO           DMX_PES_VIDEO0
#define DMX_PES_TELETEXT        DMX_PES_TELETEXT0
#define DMX_PES_SUBTITLE        DMX_PES_SUBTITLE0
#define DMX_PES_PCR             DMX_PES_PCR0

#define DMX_FILTER_SIZE 16

typedef struct dmx_filter {
        uint8_t         filter[DMX_FILTER_SIZE];
        uint8_t         mask[DMX_FILTER_SIZE];
        uint8_t         mode[DMX_FILTER_SIZE];
} dmx_filter_t;

struct dmx_sct_filter_params {
        uint16_t        pid;
        dmx_filter_t    filter;
        uint32_t        timeout;
        uint32_t        flags;
#define DMX_CHECK_CRC           0x0001
#define DMX_ONESHOT             0x0002
#define DMX_IMMEDIATE_START     0x0004
#define DMX_KERNEL_CLIENT       0x8000
};

struct dmx_pes_filter_params {
        uint16_t        pid;
        dmx_input_t     input;
        dmx_output_t    output;
        dmx_pes_type_t  pes_type;
        uint32_t        flags;
};

struct dmx_stc {
        unsigned int    num;
        unsigned int    base;
        uint64_t        stc;
};

typedef struct dmx_caps {
        uint32_t        caps;
        int             num_decoders;
} dmx_caps_t;

typedef enum {
        DMX_SOURCE_FRONT0 = 0,
        DMX_SOURCE_FRONT1,
        DMX_SOURCE_FRONT2,
        DMX_SOURCE_FRONT3,
        DMX_SOURCE_DVR0 = 16,
        DMX_SOURCE_DVR1,
        DMX_SOURCE_DVR2,
        DMX_SOURCE_DVR3,
} dmx_source_t;

#define DMX_START                  _IO('D', 100)
#define DMX_STOP                   _IO('D', 101)
#define DMX_SET_FILTER             _IOW('D', 102, struct dmx_sct_filter_params)
#define DMX_SET_PES_FILTER         _IOW('D', 103, struct dmx_pes_filter_params)
#define DMX_SET_BUFFER_SIZE        _IO('D', 104)
#define DMX_GET_STC                _IOWR('D', 105, struct dmx_stc)
#define DMX_ADD_PID                _IOW('D', 106, uint16_t)
#define DMX_REMOVE_PID             _IOW('D', 107, uint16_t)
#define DMX_GET_CAPS               _IOR('D', 108, dmx_caps_t)
#define DMX_SET_SOURCE             _IOW('D', 109, dmx_source_t)

#endif /* !_DEV_DTV_DTVIO_DEMUX_H */