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added console and a few commands

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Ondřej Novák 2025-02-02 21:50:52 +01:00
parent e717badc45
commit 73b949fb2e
28 changed files with 807 additions and 87 deletions
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44
libs/mgifmem.c
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@ -10,8 +10,6 @@
#define LZW_BUFFER 64000
MGIF_PROC show_proc;
static int mgif_frames;
static int cur_frame;
typedef struct double_s
@ -93,21 +91,29 @@ struct mgif_header load_mgif_header(const char **mgif) {
const void *open_mgif(const void *mgif) //vraci ukazatel na prvni frame
{
const char *c = mgif;
struct mgif_header mgh = load_mgif_header(&c);
MGIF_HEADER_T hdr = load_mgif_header(&c);
if (strncmp(mgh.sign,MGIF,4)) return NULL;
mgif_frames=mgh.frames;
cur_frame=0;
if (strncmp(hdr.sign,MGIF,4)) return NULL;
MGIF_HEADER_T *ins = getmem(sizeof(MGIF_HEADER_T));
*ins = hdr;
ins->nx_frame = c;
ins->cur_frame = 0;
ins->sound_write_pos = 0;
ins->accnums[0] = 0;
ins->accnums[1] = 0;
init_lzw_compressor(8);
if (lzw_buffer==NULL) lzw_buffer=getmem(LZW_BUFFER);
return c;
return ins;
}
void close_mgif(void) //dealokuje buffery pro prehravani
void close_mgif(const void *mgif) //dealokuje buffery pro prehravani
{
done_lzw_compressor();
free(lzw_buffer);
lzw_buffer=NULL;
if (mgif) {
done_lzw_compressor();
free(lzw_buffer);
lzw_buffer=NULL;
free((void *)mgif);
}
}
@ -350,8 +356,9 @@ FRAME_HEADER_T read_frame_header(const char **iter) {
return ret;
}
const void *mgif_play(const void *mgif) //dekoduje a zobrazi frame
char mgif_play(const void *mgif) //dekoduje a zobrazi frame
{
MGIF_HEADER_T *hdr = (MGIF_HEADER_T *)mgif;
const char *pf;
const char *pc;
char *ff;
@ -361,7 +368,7 @@ const void *mgif_play(const void *mgif) //dekoduje a zobrazi frame
pf=mgif;
pf=hdr->nx_frame;
FRAME_HEADER_T frame_hdr = read_frame_header(&pf);
pc = pf;
pf += frame_hdr.size;
@ -378,14 +385,15 @@ const void *mgif_play(const void *mgif) //dekoduje a zobrazi frame
scr_sav = pc;
scr_act = chunk_hdr.type;
} else {
show_proc(chunk_hdr.type,pc,chunk_hdr.size);
show_proc(hdr,chunk_hdr.type,pc,chunk_hdr.size);
}
pc+=chunk_hdr.size;
}
if (scr_act!=-1) show_proc(scr_act,scr_sav,0);
cur_frame+=1;
if (cur_frame==mgif_frames) return NULL;
return pf;
if (scr_act!=-1) show_proc(hdr, scr_act,scr_sav,0);
hdr->cur_frame+=1;
if (hdr->cur_frame==hdr->frames) return 0;
hdr->nx_frame = pf;
return 1;
}
/*
acts=*pf++;