114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
#ifndef INCLUDED_MVELIB_H
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#define INCLUDED_MVELIB_H
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#include <stdio.h>
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#include <stdlib.h>
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#include "libmve.h"
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extern mve_cb_Read mve_read;
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extern mve_cb_Alloc mve_alloc;
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extern mve_cb_Free mve_free;
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extern mve_cb_ShowFrame mve_showframe;
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extern mve_cb_SetPalette mve_setpalette;
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/*
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* structure for maintaining info on a MVEFILE stream
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*/
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typedef struct MVEFILE
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{
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void *stream;
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unsigned char *cur_chunk;
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int buf_size;
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int cur_fill;
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int next_segment;
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} MVEFILE;
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/*
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* open a .MVE file
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*/
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MVEFILE *mvefile_open(void *stream);
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/*
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* close a .MVE file
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*/
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void mvefile_close(MVEFILE *movie);
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/*
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* get size of next segment in chunk (-1 if no more segments in chunk)
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*/
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int mvefile_get_next_segment_size(MVEFILE *movie);
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/*
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* get type of next segment in chunk (0xff if no more segments in chunk)
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*/
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unsigned char mvefile_get_next_segment_major(MVEFILE *movie);
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/*
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* get subtype (version) of next segment in chunk (0xff if no more segments in
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* chunk)
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*/
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unsigned char mvefile_get_next_segment_minor(MVEFILE *movie);
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/*
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* see next segment (return NULL if no next segment)
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*/
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unsigned char *mvefile_get_next_segment(MVEFILE *movie);
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/*
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* advance to next segment
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*/
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void mvefile_advance_segment(MVEFILE *movie);
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/*
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* fetch the next chunk (return 0 if at end of stream)
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*/
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int mvefile_fetch_next_chunk(MVEFILE *movie);
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/*
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* callback for segment type
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*/
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typedef int (*MVESEGMENTHANDLER)(unsigned char major, unsigned char minor, unsigned char *data, int len, void *context);
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/*
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* structure for maintaining an MVE stream
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*/
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typedef struct MVESTREAM
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{
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MVEFILE *movie;
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void *context;
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MVESEGMENTHANDLER handlers[32];
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} MVESTREAM;
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/*
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* open an MVE stream
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*/
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MVESTREAM *mve_open(void *stream);
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/*
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* close an MVE stream
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*/
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void mve_close(MVESTREAM *movie);
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/*
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* reset an MVE stream
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*/
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void mve_reset(MVESTREAM *movie);
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/*
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* set segment type handler
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*/
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void mve_set_handler(MVESTREAM *movie, unsigned char major, MVESEGMENTHANDLER handler);
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/*
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* set segment handler context
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*/
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void mve_set_handler_context(MVESTREAM *movie, void *context);
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/*
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* play next chunk
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*/
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int mve_play_next_chunk(MVESTREAM *movie);
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#endif /* INCLUDED_MVELIB_H */
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