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/*
* Copyright (C) 2000, 2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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
*
* $Id: demux.h,v 1.12 2001/10/25 00:46:58 miguelfreitas Exp $
*/
#ifndef HAVE_DEMUX_H
#define HAVE_DEMUX_H
#ifdef __cplusplus
extern "C" {
#endif
#include "buffer.h"
#include "xine_internal.h"
#if defined(XINE_COMPILE)
#include "input/input_plugin.h"
#else
#include "input_plugin.h"
#endif
#define DEMUXER_PLUGIN_IFACE_VERSION 6
#define DEMUX_OK 0
#define DEMUX_FINISHED 1
#define DEMUX_CANNOT_HANDLE 0
#define DEMUX_CAN_HANDLE 1
#define DEMUX_DEFAULT_STRATEGY 0
#define DEMUX_REVERT_STRATEGY 1
#define DEMUX_CONTENT_STRATEGY 2
#define DEMUX_EXTENSION_STRATEGY 3
#define STAGE_BY_CONTENT 1
#define STAGE_BY_EXTENSION 2
/*
* a demux plugin must implement these functions
*/
typedef struct demux_plugin_s demux_plugin_t;
struct demux_plugin_s
{
/*
* plugin interface version, lower versions _may_ be supported
*/
int interface_version;
/*
* ask demuxer to open the given stream (input-plugin)
* using the content-detection method specified in <stage>
*
* return values:
* DEMUX_CAN_HANDLE on success
* DEMUX_CANNOT_HANDLE on failure
*/
int (*open) (demux_plugin_t *this, input_plugin_t *ip,
int stage);
/*
* start demux thread
*
* for seekable streams, a start position can be specified
*
* start_pos : position in input source
* start_time : position measured in seconds from stream start
*
* if both parameters are !=0 start_pos will be used
* for non-seekable streams both values will be ignored
*/
void (*start) (demux_plugin_t *this, fifo_buffer_t *video_fifo,
fifo_buffer_t *audio_fifo,
off_t start_pos, int start_time);
/*
* stop & kill demux thread, free resources associated with current
* input stream
*/
void (*stop) (demux_plugin_t *this) ;
/*
* close demuxer, free all resources
*/
void (*close) (demux_plugin_t *this) ;
/*
* returns DEMUX_OK or DEMUX_FINISHED
*/
int (*get_status) (demux_plugin_t *this) ;
/*
* return human readable identifier for this plugin
*/
char* (*get_identifier) (void);
/*
* return MIME types supported for this plugin
*/
char* (*get_mimetypes) (void);
/*
* estimate stream length in seconds
* may return 0 for non-seekable streams
*/
int (*get_stream_length) (demux_plugin_t *this);
} ;
/*
* demuxer plugins should provide this (and only this!) function call:
*
* demux_plugin_t *init_demux_plugin (int iface_version, xine_t *xine);
*/
#ifdef __cplusplus
}
#endif
#endif
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