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/*
* subtitle_buffer.h
*
* Copyright (C) Thomas Oestreich - February 2002
*
* This file is part of transcode, a video stream processing tool
*
* transcode 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, or (at your option)
* any later version.
*
* transcode 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "config.h"
#include <pthread.h>
#include "transcode.h"
#include "tc_defaults.h"
#ifndef _SUBTITLE_BUFFER_H
#define _SUBTITLE_BUFFER_H
#define FRAME_NULL -1
#define FRAME_EMPTY 0
#define FRAME_READY 1
#define FRAME_LOCKED 2
#define FRAME_WAIT 3
#define TC_BUFFER_EMPTY 0
#define TC_BUFFER_FULL 1
#define TC_BUFFER_READY 2
#define TC_BUFFER_LOCKED 3
#define SUB_BUFFER_SIZE 2048
typedef struct sframe_list {
int bufid; // buffer id
int tag; // unused
int id; // frame number
int status; // frame status
int attributes;
double pts;
int video_size;
struct sframe_list *next;
struct sframe_list *prev;
#ifdef STATBUFFER
char *video_buf;
#else
char video_buf[SUB_BUFFER_SIZE];
#endif
} sframe_list_t;
sframe_list_t *sframe_register(int id);
void sframe_remove(sframe_list_t *ptr);
sframe_list_t *sframe_retrieve(void);
sframe_list_t *sframe_retrieve_status(int old_status, int new_status);
void sframe_set_status(sframe_list_t *ptr, int status);
int sframe_alloc(int num, FILE *fd);
void sframe_free(void);
void sframe_flush(void);
int sframe_fill_level(int status);
extern pthread_mutex_t sframe_list_lock;
extern pthread_cond_t sframe_list_full_cv;
extern pthread_cond_t sframe_list_empty_cv;
extern sframe_list_t *sframe_list_head;
extern sframe_list_t *sframe_list_tail;
void subtitle_reader(void);
#endif
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