singe/vldp2/vldp/vldp_common.h
2019-11-11 14:53:02 -06:00

77 lines
2.8 KiB
C

/*
* vldp_common.h
*
* Copyright (C) 2001 Matt Ownby
*
* This file is part of VLDP, a virtual laserdisc player.
*
* VLDP is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* VLDP 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// shared by the public and private VLDP threads
// nothing else should include this
#ifndef VLDP_COMMON_H
#define VLDP_COMMON_H
#include <SDL.h>
#include <SDL_thread.h>
#define VLDP_REQ_NONE 0x0
#define VLDP_REQ_OPEN 0x10
#define VLDP_REQ_SEARCH 0x20
#define VLDP_REQ_PLAY 0x30
#define VLDP_REQ_PAUSE 0x40
#define VLDP_REQ_STEP_FORWARD 0x50
#define VLDP_REQ_STOP 0x60
#define VLDP_REQ_STATUS 0x70
#define VLDP_REQ_QUIT 0x80
#define VLDP_REQ_SKIP 0x90
#define VLDP_REQ_LOCK 0xA0
#define VLDP_REQ_UNLOCK 0xB0
#define VLDP_REQ_SPEEDCHANGE 0xC0
#define VLDP_REQ_PRECACHE 0xD0
// these are defined to emphasize the importance of the same value being initialized in more than one place
#define CMDORCOUNT_INITIAL 0
#define ACK_COUNT_INITIAL 0
// how big all our character arrays will be
// (needs to be able to accomodate huge paths)
#define STRSIZE 320
extern Uint32 g_req_frame; // which frame to seek to
extern Uint32 g_req_min_seek_ms; // minimum # of milliseconds that this seek can take
extern Uint32 g_req_timer;
extern unsigned int g_req_idx; // multipurpose index
extern unsigned int g_req_precache;
extern char g_req_file[]; // which file to open
extern Uint8 g_req_cmdORcount; // the current command count OR'd with the current command of parent thread
// made 8-bit to ensure that it's atomic
extern unsigned int g_ack_count; // how many times we've acknowledged a command
extern struct vldp_out_info g_out_info; // contains info that the parent thread should have access to
extern const struct vldp_in_info *g_in_info; // contains info from parent thread that VLDP should have access to
extern unsigned int g_req_skip_per_frame; // how many frames to skip per frame (for playing at 2X for example)
extern unsigned int g_req_stall_per_frame; // how many frames to stall per frame (for playing at 1/2X for example)
int idle_handler(void *);
// how ms to wait for responses from the private thread before we give up and return an error
// NOTE : increased from 5000 now that artificial seek delay functionality is added
#define VLDP_TIMEOUT 7500
#endif