5a2aa426 |
1 | #include <stdio.h> |
2 | #include <stdlib.h> |
3 | #include <string.h> |
4 | #include <unistd.h> |
5 | #ifdef WIN32 |
6 | #include <windows.h> |
7 | #endif |
8 | |
9 | #include "types.h" |
10 | #include "endian.h" |
11 | #include "input.h" |
12 | #include "fce.h" |
13 | #include "svga.h" |
14 | //#include "palette.h" |
15 | #include "driver.h" |
16 | #include "state.h" |
17 | #include "general.h" |
18 | #include "video.h" |
19 | #include "file.h" |
20 | #include "movie.h" |
21 | |
22 | #define MOVIE_MAGIC 0x1a4d4346 // FCM\x1a |
23 | #define MOVIE_VERSION 2 // still at 2 since the format itself is still compatible - to detect which version the movie was made with, check the fceu version stored in the movie header (e.g against FCEU_VERSION_NUMERIC) |
24 | |
25 | #define MOVIE_FLAG_NOSYNCHACK (1<<4) // set in newer version, used for old movie compatibility |
26 | |
27 | |
28 | #define read32le read32 |
29 | |
30 | typedef struct |
31 | { |
32 | int movie_version; // version of the movie format in the file |
33 | uint32 num_frames; |
34 | uint32 rerecord_count; |
35 | uint8 flags; |
36 | int read_only; |
37 | uint32 emu_version_used; // 9813 = 0.98.13 |
38 | char* metadata; // caller-supplied buffer to store metadata. can be NULL. |
39 | int metadata_size; // size of the buffer pointed to by metadata |
40 | uint8 md5_of_rom_used[16]; |
41 | int md5_of_rom_used_present; // v1 movies don't have md5 info available |
42 | char* name_of_rom_used; // caller-supplied buffer to store metadata. can be NULL. |
43 | int name_of_rom_used_size; // size of the buffer pointer to by name_of_rom_used |
44 | } MOVIE_INFO; |
45 | |
46 | |
47 | |
48 | // backwards compat |
49 | static void FCEUI_LoadMovie_v1(char *fname, int _read_only); |
50 | static int FCEUI_MovieGetInfo_v1(const char* fname, MOVIE_INFO* info); |
51 | |
52 | extern char FileBase[]; |
53 | |
54 | /* |
55 | struct MovieHeader |
56 | { |
57 | uint32 magic; // +0 |
58 | uint32 version=2; // +4 |
59 | uint8 flags[4]; // +8 |
60 | uint32 length_frames; // +12 |
61 | uint32 rerecord_count; // +16 |
62 | uint32 movie_data_size; // +20 |
63 | uint32 offset_to_savestate; // +24, should be 4-byte-aligned |
64 | uint32 offset_to_movie_data; // +28, should be 4-byte-aligned |
65 | uint8 md5_of_rom_used[16]; // +32 |
66 | uint32 version_of_emu_used // +48 |
67 | char name_of_rom_used[] // +52, utf-8, null-terminated |
68 | char metadata[]; // utf-8, null-terminated |
69 | uint8 padding[]; |
70 | uint8 savestate[]; // always present, even in a "from reset" recording |
71 | uint8 padding[]; // used for byte-alignment |
72 | uint8 movie_data[]; |
73 | } |
74 | */ |
75 | |
76 | //static |
77 | int current = 0; // > 0 for recording, < 0 for playback |
78 | static FILE *slots[10]={0}; |
79 | static uint8 joop[4]; |
80 | static uint32 framets = 0; |
81 | static uint32 frameptr = 0; |
82 | static uint8* moviedata = NULL; |
83 | static uint32 moviedatasize = 0; |
84 | static uint32 firstframeoffset = 0; |
85 | static uint32 savestate_offset = 0; |
86 | static uint32 framecount = 0; |
87 | static uint32 rerecord_count = 0; |
88 | /*static*/ int movie_readonly = 1; |
89 | int frame_display = 0; |
90 | static uint32 last_frame_display = ~0; |
91 | int input_display = 0; |
92 | static uint32 cur_input_display = 0; |
93 | static uint32 last_input_display = ~0; |
94 | |
95 | int resetDMCacc=0; |
96 | |
97 | /* Cache variables used for playback. */ |
98 | static uint32 nextts = 0; |
99 | static int32 nextd = 0; |
100 | |
101 | #define FCEUSTATE_RLSB 0x80000000 |
102 | |
103 | SFORMAT FCEUMOV_STATEINFO[]={ |
104 | { joop, 4,"JOOP"}, |
105 | { &framets, 4|FCEUSTATE_RLSB, "FTS "}, |
106 | { &nextts, 4|FCEUSTATE_RLSB, "NXTS"}, |
107 | { &nextd, 4|FCEUSTATE_RLSB, "NXTD"}, |
108 | { &frameptr, 4|FCEUSTATE_RLSB, "FPTR"}, |
109 | { &framecount, 4|FCEUSTATE_RLSB, "FCNT"}, |
110 | |
111 | { 0 } |
112 | }; |
113 | |
114 | static int CurrentMovie = 1; |
115 | static int MovieShow = 0; |
116 | |
117 | static int MovieStatus[10]; |
118 | |
119 | static void DoEncode(int joy, int button, int); |
120 | |
121 | int FCEUMOV_IsPlaying(void) |
122 | { |
123 | if(current < 0) return(1); |
124 | else return(0); |
125 | } |
126 | |
127 | int FCEUMOV_IsRecording(void) |
128 | { |
129 | if(current > 0) return(1); |
130 | else return(0); |
131 | } |
132 | |
133 | int suppressMovieStop=0; |
134 | int movieConvertOffset1=0, movieConvertOffset2=0,movieConvertOK=0,movieSyncHackOn=0; |
135 | |
136 | static void StopPlayback(void) |
137 | { |
138 | if(suppressMovieStop) |
139 | return; |
140 | resetDMCacc=movieSyncHackOn=0; |
141 | fclose(slots[-1 - current]); |
142 | current=0; |
143 | FCEU_DispMessage("Movie playback stopped."); |
144 | } |
145 | |
146 | #if 0 |
147 | static void FlushHeader(void) |
148 | { |
149 | if(current <= 0) |
150 | return;// only write header data if recording |
151 | |
152 | FILE* fp = slots[current - 1]; |
153 | if(fp == 0) |
154 | return; |
155 | |
156 | unsigned long loc = ftell(fp); |
157 | fseek(fp, 4, SEEK_SET); |
158 | write32le(MOVIE_VERSION, fp); |
159 | fseek(fp, 12, SEEK_SET); |
160 | write32le(framecount, fp); |
161 | write32le(rerecord_count, fp); |
162 | write32le(frameptr, fp); |
163 | fseek(fp, 32, SEEK_SET); |
164 | fwrite(FCEUGameInfo->MD5, 1, 16, fp); // write ROM checksum |
165 | write32le(FCEU_VERSION_NUMERIC, fp); // write emu version used |
166 | |
167 | // write ROM name used |
168 | fseek(fp, 52, SEEK_SET); |
169 | char str[512]; |
170 | fgets(str,512,fp); |
171 | str[511]='\0'; |
172 | int strdiff=strlen(FileBase)-strlen(str); |
173 | if(strdiff) |
174 | { |
175 | // resize the whole damn movie because the ROM name in the header is of variable length |
176 | int off=52; |
177 | fseek(fp, 52, SEEK_SET); |
178 | do { off++; |
179 | } while(fgetc(fp) && !feof(fp) && !ferror(fp)); |
180 | |
181 | if(feof(fp) || ferror(fp)) |
182 | { |
183 | fseek(fp, loc, SEEK_SET); |
184 | return; |
185 | } |
186 | |
187 | fseek(fp, 0, SEEK_END); |
188 | uint32 fsize=ftell(fp)-off; |
189 | char* ctemp=(char*)FCEU_malloc(fsize*sizeof(char)+4); |
190 | if(!ctemp) |
191 | { |
192 | fseek(fp, loc, SEEK_SET); |
193 | return; |
194 | } |
195 | fseek(fp, off, SEEK_SET); |
196 | fread(ctemp, 1,fsize, fp); |
197 | fseek(fp, 52+strlen(FileBase)+1, SEEK_SET); |
198 | int wrote = fwrite(ctemp, fsize,1, fp); |
199 | FCEU_free(ctemp); |
200 | if(!wrote) |
201 | { |
202 | fseek(fp, loc, SEEK_SET); |
203 | return; |
204 | } |
205 | |
206 | if(loc >= firstframeoffset) |
207 | loc += strdiff; |
208 | savestate_offset += strdiff; |
209 | firstframeoffset += strdiff; |
210 | fseek(fp, 24, SEEK_SET); |
211 | write32le(savestate_offset, fp); |
212 | write32le(firstframeoffset, fp); |
213 | } |
214 | fseek(fp, 52, SEEK_SET); |
215 | fputs(FileBase, fp); |
216 | fputc('\0', fp); |
217 | |
218 | fseek(fp, loc, SEEK_SET); |
219 | } |
220 | |
221 | static void StopRecording(void) |
222 | { |
223 | if(suppressMovieStop) |
224 | return; |
225 | resetDMCacc=movieSyncHackOn=0; |
226 | DoEncode(0,0,1); /* Write a dummy timestamp value so that the movie will keep |
227 | "playing" after user input has stopped. */ |
228 | // finish header |
229 | FlushHeader(); |
230 | |
231 | // FIXME: truncate movie to length |
232 | // ftruncate(); |
233 | fclose(slots[current - 1]); |
234 | MovieStatus[current - 1] = 1; |
235 | current=0; |
236 | FCEU_DispMessage("Movie recording stopped."); |
237 | } |
238 | #endif |
239 | |
240 | void FCEUI_StopMovie(void) |
241 | { |
242 | if(current < 0) StopPlayback(); |
243 | #if 0 |
244 | if(current > 0) StopRecording(); |
245 | #endif |
246 | } |
247 | |
248 | #ifdef WIN32 |
249 | #include "process.h" |
250 | void executeCommand(const char* cmd) |
251 | { |
252 | if(!cmd || !*cmd) |
253 | return; |
254 | |
255 | const char *argv[4]; |
256 | argv[0] = getenv("COMSPEC"); |
257 | argv[1] = "/c"; |
258 | argv[2] = cmd; |
259 | argv[3] = NULL; |
260 | if(*argv && *(*argv)) |
261 | _spawnve(_P_WAIT, argv[0], argv, NULL); |
262 | } |
263 | #endif |
264 | |
265 | int justAutoConverted=0; |
266 | static const char* convertToFCM(const char *fname, char *buffer) |
267 | { |
268 | #ifdef WIN32 |
269 | justAutoConverted=0; |
270 | |
271 | // convert to fcm if not already |
272 | const char* dot = strrchr(fname, '.'); |
273 | if(dot) |
274 | { |
275 | int fmv = !stricmp(dot, ".fmv"); |
276 | int nmv = !stricmp(dot, ".nmv"); |
277 | int vmv = !stricmp(dot, ".vmv"); |
278 | if(fmv || nmv || vmv) |
279 | { |
280 | strcpy(buffer, fname); |
281 | buffer[dot-fname]='\0'; |
282 | strcat(buffer,"-autoconverted.fcm"); |
283 | |
284 | int fceuver=0; |
285 | if(fmv) |
286 | fceuver=1; |
287 | else if(nmv) |
288 | fceuver=2; |
289 | else if(vmv) |
290 | fceuver=3; |
291 | |
292 | extern char lastLoadedGameName [2048]; |
293 | char cmd [1024], offset[64], romInfo[1024]; |
294 | if(movieConvertOK) |
295 | sprintf(romInfo, "-smd5=\"%s\" -sromname=\"%s (MAYBE)\" -s", lastLoadedGameName, FileBase); |
296 | else |
297 | sprintf(romInfo, "-sromname=\"(unknown)\" -s"); |
298 | if(movieConvertOffset2) sprintf(offset, "-o %d:%d", movieConvertOffset2,movieConvertOffset1); |
299 | else sprintf(offset, "-o %d", movieConvertOffset1); |
300 | sprintf(cmd, ".\\util\\nesmock\\nesmock.exe %s %s -spal=%c -sfceuver=%d \"%s\" \"%s\" ", offset, romInfo, FCEUI_GetCurrentVidSystem(0,0)?'1':'0', fceuver, fname, buffer); |
301 | // FCEU_PrintError(cmd); |
302 | executeCommand(cmd); |
303 | |
304 | FILE* file = FCEUD_UTF8fopen(buffer,"rb"); |
305 | if(file) |
306 | { |
307 | fseek(file, 12, SEEK_SET); |
308 | int frames=0; |
309 | read32le(&frames, file); |
310 | if(frames) |
311 | { |
312 | fname = buffer; |
313 | justAutoConverted=1; |
314 | } |
315 | else |
316 | { |
317 | static int errAlready=0; |
318 | if(!errAlready) |
319 | { |
320 | errAlready=1; |
321 | FCEU_PrintError("For some reason, nesmock was unable to create a valid FCM from the given file.\nThe command given was:\n%s\nPerhaps the file specified is not a movie file or contains no input data,\nor perhaps it is a movie file of a version unsupported by nesmock.\n\n(This error message will self-destruct until you restart FCEU.)", cmd); |
322 | } |
323 | } |
324 | fclose(file); |
325 | } |
326 | else |
327 | { |
328 | char str [512]; |
329 | str[0] = '\0'; |
330 | GetCurrentDirectory(512,str); |
331 | strcat(str, "\\util\\nesmock\\nesmock.exe"); |
332 | file = FCEUD_UTF8fopen(str, "rb"); |
333 | if(file) |
334 | { |
335 | static int errAlready=0; |
336 | if(!errAlready) |
337 | { |
338 | errAlready=1; |
339 | FCEU_PrintError("For some reason, nesmock was unable to convert the movie to FCM format.\nThe command given was:\n%s\n\n(This error message will self-destruct until you restart FCEU.)", cmd); |
340 | fclose(file); |
341 | } |
342 | } |
343 | else |
344 | { |
345 | static int errAlready=0; |
346 | if(!errAlready) |
347 | { |
348 | errAlready=1; |
349 | FCEU_PrintError("Nesmock not found, so the movie could not be converted to FCM format.\nYou must place nesmock.exe at this location so FCEU can find it:\n%s\n\n(This error message will self-destruct until you restart FCEU.)", str); |
350 | } |
351 | } |
352 | } |
353 | } |
354 | } |
355 | #endif |
356 | return fname; |
357 | } |
358 | |
359 | static void ResetInputTypes() |
360 | { |
361 | #ifdef WIN32 |
362 | extern int UsrInputType[3]; |
363 | UsrInputType[0] = SI_GAMEPAD; |
364 | UsrInputType[1] = SI_GAMEPAD; |
365 | UsrInputType[2] = SIFC_NONE; |
366 | |
367 | ParseGIInput(NULL/*FCEUGameInfo*/); |
368 | extern int cspec, gametype; |
369 | cspec=FCEUGameInfo->cspecial; |
370 | gametype=FCEUGameInfo->type; |
371 | |
372 | InitOtherInput(); |
373 | #endif |
374 | } |
375 | |
376 | char curMovieFilename[512]; |
377 | |
378 | |
379 | // PlayMovie / MoviePlay function |
380 | void FCEUI_LoadMovie(char *fname, int _read_only) |
381 | { |
382 | char buffer [512]; |
383 | fname = (char*)convertToFCM(fname,buffer); |
384 | |
385 | FILE *fp; |
386 | char *fn = NULL; |
387 | |
388 | FCEUI_StopMovie(); |
389 | |
390 | #if 0 |
391 | if(!fname) |
392 | fname = fn = FCEU_MakeFName(FCEUMKF_MOVIE,CurrentMovie,0); |
393 | #endif |
394 | |
395 | #if 0 |
396 | char origname[512]; |
397 | strcpy(origname,fname); |
398 | #endif |
399 | |
400 | // check movie_readonly |
401 | movie_readonly = _read_only; |
402 | if(access(fname, W_OK)) |
403 | movie_readonly = 2; |
404 | |
405 | fp = fopen(fname, (movie_readonly>=2) ? "rb" : "r+b"); |
406 | |
407 | if(fn) |
408 | { |
409 | free(fn); |
410 | fname = NULL; |
411 | } |
412 | |
413 | if(!fp) return; |
414 | |
415 | // read header |
416 | { |
417 | uint32 magic; |
418 | uint32 version; |
419 | uint8 flags[4]; |
420 | |
421 | read32le(&magic, fp); |
422 | if(magic != MOVIE_MAGIC) |
423 | { |
424 | fclose(fp); |
425 | return; |
426 | } |
427 | //DEBUG_COMPARE_RAM(__LINE__); |
428 | |
429 | read32le(&version, fp); |
430 | if(version == 1) |
431 | { |
432 | // attempt to load previous version's format |
433 | fclose(fp); |
434 | printf("trying movie v1\n"); |
435 | FCEUI_LoadMovie_v1(fname, _read_only); |
436 | return; |
437 | } |
438 | else if(version == MOVIE_VERSION) |
439 | {} |
440 | else |
441 | { |
442 | // unsupported version |
443 | fclose(fp); |
444 | return; |
445 | } |
446 | |
447 | fread(flags, 1, 4, fp); |
448 | read32le(&framecount, fp); |
449 | read32le(&rerecord_count, fp); |
450 | read32le(&moviedatasize, fp); |
451 | read32le(&savestate_offset, fp); |
452 | read32le(&firstframeoffset, fp); |
453 | if(fseek(fp, savestate_offset, SEEK_SET)) |
454 | { |
455 | fclose(fp); |
456 | return; |
457 | } |
458 | |
459 | // FCEU_PrintError("flags[0] & MOVIE_FLAG_NOSYNCHACK=%d",flags[0] & MOVIE_FLAG_NOSYNCHACK); |
460 | if(flags[0] & MOVIE_FLAG_NOSYNCHACK) |
461 | movieSyncHackOn=0; |
462 | else |
463 | movieSyncHackOn=1; |
464 | } |
465 | |
466 | // fully reload the game to reinitialize everything before playing any movie |
467 | // to try fixing nondeterministic playback of some games |
468 | #if 0 // do we need this? |
469 | { |
470 | extern char lastLoadedGameName [2048]; |
471 | #if 0 // TODO? |
472 | extern int disableBatteryLoading, suppressAddPowerCommand; |
473 | suppressAddPowerCommand=1; |
474 | suppressMovieStop=1; |
475 | #endif |
476 | { |
477 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
478 | if(!gi) |
479 | PowerNES(); |
480 | } |
481 | #if 0 // TODO? |
482 | suppressMovieStop=0; |
483 | suppressAddPowerCommand=0; |
484 | #endif |
485 | } |
486 | #endif |
487 | |
488 | if(!FCEUSS_LoadFP(fp,1)) return; |
489 | |
490 | ResetInputTypes(); |
491 | |
492 | fseek(fp, firstframeoffset, SEEK_SET); |
493 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
494 | fread(moviedata, 1, moviedatasize, fp); |
495 | |
496 | framecount = 0; // movies start at frame 0! |
497 | frameptr = 0; |
498 | current = CurrentMovie; |
499 | slots[current] = fp; |
500 | |
501 | memset(joop,0,sizeof(joop)); |
502 | current = -1 - current; |
503 | framets=0; |
504 | nextts=0; |
505 | nextd = -1; |
506 | |
507 | MovieStatus[CurrentMovie] = 1; |
508 | #if 0 |
509 | if(!fname) |
510 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
511 | else |
512 | #endif |
513 | FCEU_DispMessage("Movie playback started."); |
514 | |
515 | #if 0 |
516 | strcpy(curMovieFilename, origname); |
517 | #else |
518 | strcpy(curMovieFilename, fname); |
519 | #endif |
520 | } |
521 | |
522 | #if 0 |
523 | void FCEUI_SaveMovie(char *fname, uint8 flags, const char* metadata) |
524 | { |
525 | FILE *fp; |
526 | char *fn; |
527 | int poweron=0; |
528 | uint8 padding[4] = {0,0,0,0}; |
529 | int n_padding; |
530 | |
531 | FCEUI_StopMovie(); |
532 | |
533 | char origname[512]; |
534 | if(fname) |
535 | { |
536 | fp = FCEUD_UTF8fopen(fname, "wb"); |
537 | strcpy(origname,fname); |
538 | } |
539 | else |
540 | { |
541 | fp=FCEUD_UTF8fopen(fn=FCEU_MakeFName(FCEUMKF_MOVIE,CurrentMovie,0),"wb"); |
542 | strcpy(origname,fn); |
543 | free(fn); |
544 | } |
545 | |
546 | if(!fp) return; |
547 | |
548 | // don't need the movieSyncHackOn sync hack for newly recorded movies |
549 | flags |= MOVIE_FLAG_NOSYNCHACK; |
550 | resetDMCacc=movieSyncHackOn=0; |
551 | |
552 | // add PAL flag |
553 | if(FCEUI_GetCurrentVidSystem(0,0)) |
554 | flags |= MOVIE_FLAG_PAL; |
555 | |
556 | if(flags & MOVIE_FLAG_FROM_POWERON) |
557 | { |
558 | poweron=1; |
559 | flags &= ~MOVIE_FLAG_FROM_POWERON; |
560 | flags |= MOVIE_FLAG_FROM_RESET; |
561 | } |
562 | |
563 | // write header |
564 | write32le(MOVIE_MAGIC, fp); |
565 | write32le(MOVIE_VERSION, fp); |
566 | fputc(flags, fp); |
567 | fputc(0, fp); // reserved |
568 | fputc(0, fp); // reserved |
569 | fputc(0, fp); // reserved |
570 | write32le(0, fp); // leave room for length frames |
571 | write32le(0, fp); // leave room for rerecord count |
572 | write32le(0, fp); // leave room for movie data size |
573 | write32le(0, fp); // leave room for savestate_offset |
574 | write32le(0, fp); // leave room for offset_to_controller_data |
575 | fwrite(FCEUGameInfo->MD5, 1, 16, fp); // write ROM checksum |
576 | write32le(FCEU_VERSION_NUMERIC, fp); // write emu version used |
577 | fputs(FileBase, fp); // write ROM name used |
578 | fputc(0, fp); |
579 | if(metadata) |
580 | { |
581 | if(strlen(metadata) < MOVIE_MAX_METADATA) |
582 | fputs(metadata, fp); |
583 | else |
584 | fwrite(metadata, 1, MOVIE_MAX_METADATA-1, fp); |
585 | } |
586 | fputc(0, fp); |
587 | |
588 | // add padding |
589 | n_padding = (4 - (ftell(fp) & 0x3)) & 0x3; |
590 | fwrite(padding, 1, n_padding, fp); |
591 | |
592 | if(flags & MOVIE_FLAG_FROM_RESET) |
593 | { |
594 | if(poweron) |
595 | { |
596 | // make a for-movie-recording power-on clear the game's save data, too |
597 | // (note: FCEU makes a save state immediately after this and that loads that on movie playback) |
598 | extern char lastLoadedGameName [2048]; |
599 | extern int disableBatteryLoading, suppressAddPowerCommand; |
600 | suppressAddPowerCommand=1; |
601 | disableBatteryLoading=1; |
602 | suppressMovieStop=1; |
603 | { |
604 | // NOTE: this will NOT write an FCEUNPCMD_POWER into the movie file |
605 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
606 | if(!gi) |
607 | PowerNES(); // and neither will this, if it can even happen |
608 | } |
609 | suppressMovieStop=0; |
610 | disableBatteryLoading=0; |
611 | suppressAddPowerCommand=0; |
612 | } |
613 | } |
614 | |
615 | savestate_offset = ftell(fp); |
616 | FCEUSS_SaveFP(fp); |
617 | fseek(fp, 0, SEEK_END); |
618 | |
619 | ResetInputTypes(); |
620 | |
621 | // add padding |
622 | n_padding = (4 - (ftell(fp) & 0x3)) & 0x3; |
623 | fwrite(padding, 1, n_padding, fp); |
624 | |
625 | firstframeoffset = ftell(fp); |
626 | |
627 | // finish header |
628 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
629 | write32le(savestate_offset, fp); |
630 | write32le(firstframeoffset, fp); |
631 | |
632 | fseek(fp, firstframeoffset, SEEK_SET); |
633 | |
634 | // set recording flag |
635 | current=CurrentMovie; |
636 | |
637 | movie_readonly = 0; |
638 | frameptr = 0; |
639 | framecount = 0; |
640 | rerecord_count = 0; |
641 | slots[current] = fp; |
642 | memset(joop,0,sizeof(joop)); |
643 | current++; |
644 | framets=0; |
645 | nextd = -1; |
646 | |
647 | // trigger a reset |
648 | if(flags & MOVIE_FLAG_FROM_RESET) |
649 | { |
650 | if(poweron) |
651 | { |
652 | PowerNES(); // NOTE: this will write an FCEUNPCMD_POWER into the movie file |
653 | } |
654 | else |
655 | ResetNES(); // NOTE: this will write an FCEUNPCMD_RESET into the movie file |
656 | } |
657 | if(!fname) |
658 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
659 | else |
660 | FCEU_DispMessage("Movie recording started."); |
661 | |
662 | strcpy(curMovieFilename, origname); |
663 | } |
664 | |
665 | static void movie_writechar(int c) |
666 | { |
667 | if(frameptr == moviedatasize) |
668 | { |
669 | moviedatasize += 4096; |
670 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
671 | } |
672 | moviedata[frameptr++] = (uint8)(c & 0xff); |
673 | fputc(c, slots[current - 1]); |
674 | } |
675 | #endif |
676 | |
677 | static int movie_readchar() |
678 | { |
679 | if(frameptr >= moviedatasize) |
680 | { |
681 | return -1; |
682 | } |
683 | return (int)(moviedata[frameptr++]); |
684 | } |
685 | |
686 | #if 0 |
687 | static void DoEncode(int joy, int button, int dummy) |
688 | { |
689 | uint8 d; |
690 | |
691 | d = 0; |
692 | |
693 | if(framets >= 65536) |
694 | d = 3 << 5; |
695 | else if(framets >= 256) |
696 | d = 2 << 5; |
697 | else if(framets > 0) |
698 | d = 1 << 5; |
699 | |
700 | if(dummy) d|=0x80; |
701 | |
702 | d |= joy << 3; |
703 | d |= button; |
704 | |
705 | movie_writechar(d); |
706 | //printf("Wr: %02x, %d\n",d,slots[current-1]); |
707 | while(framets) |
708 | { |
709 | movie_writechar(framets & 0xff); |
710 | //printf("Wrts: %02x\n",framets & 0xff); |
711 | framets >>= 8; |
712 | } |
713 | } |
714 | #endif |
715 | |
716 | // TODO: make this function legible! (what are all these magic numbers and weirdly named variables and crazy unexplained loops?) |
717 | void FCEUMOV_AddJoy(uint8 *js) |
718 | { |
719 | int x,y; |
720 | |
721 | // if(!current) return; // Not playback nor recording. |
722 | |
723 | if(current < 0) // Playback |
724 | { |
725 | while(nextts == framets || nextd == -1) |
726 | { |
727 | int tmp,ti; |
728 | uint8 d; |
729 | |
730 | if(nextd != -1) |
731 | { |
732 | if(nextd&0x80) |
733 | { |
734 | //puts("Egads"); |
735 | // TODO? |
736 | #if 0 |
737 | FCEU_DoSimpleCommand(nextd&0x1F); |
738 | #endif |
739 | } |
740 | else |
741 | joop[(nextd >> 3)&0x3] ^= 1 << (nextd&0x7); |
742 | } |
743 | |
744 | |
745 | tmp = movie_readchar(); |
746 | d = tmp; |
747 | |
748 | if(tmp < 0) |
749 | { |
750 | StopPlayback(); |
751 | memcpy(&cur_input_display,js,4); |
752 | return; |
753 | } |
754 | |
755 | nextts = 0; |
756 | tmp >>= 5; |
757 | tmp &= 0x3; |
758 | ti=0; |
759 | |
760 | int tmpfix = tmp; |
761 | while(tmp--) { nextts |= movie_readchar() << (ti * 8); ti++; } |
762 | |
763 | // This fixes a bug in movies recorded before version 0.98.11 |
764 | // It's probably not necessary, but it may keep away CRAZY PEOPLE who recorded |
765 | // movies on <= 0.98.10 and don't work on playback. |
766 | if(tmpfix == 1 && !nextts) |
767 | {nextts |= movie_readchar()<<8; } |
768 | else if(tmpfix == 2 && !nextts) {nextts |= movie_readchar()<<16; } |
769 | |
770 | if(nextd != -1) |
771 | framets = 0; |
772 | nextd = d; |
773 | } |
774 | |
775 | memcpy(js,joop,4); |
776 | } |
777 | #if 0 |
778 | else if(current > 0) // Recording |
779 | { |
780 | // flush header info every 300 frames in case of crash |
781 | { |
782 | static int fcounter=0; |
783 | fcounter++; |
784 | if(!(fcounter%300)) |
785 | FlushHeader(); |
786 | } |
787 | |
788 | for(x=0;x<4;x++) |
789 | { |
790 | if(js[x] != joop[x]) |
791 | { |
792 | for(y=0;y<8;y++) |
793 | if((js[x] ^ joop[x]) & (1 << y)) |
794 | DoEncode(x, y, 0); |
795 | joop[x] = js[x]; |
796 | } |
797 | else if(framets == ((1<<24)-1)) DoEncode(0,0,1); // Overflow will happen, so do dummy update. |
798 | } |
799 | } |
800 | #endif |
801 | |
802 | if(current) |
803 | { |
804 | framets++; |
805 | framecount++; |
806 | } |
807 | |
808 | memcpy(&cur_input_display,js,4); |
809 | } |
810 | |
811 | #if 0 |
812 | void FCEUMOV_AddCommand(int cmd) |
813 | { |
814 | if(current <= 0) return; // Return if not recording a movie |
815 | //printf("%d\n",cmd); |
816 | DoEncode((cmd>>3)&0x3,cmd&0x7,1); |
817 | } |
818 | #endif |
819 | |
820 | #if 0 |
821 | void FCEUMOV_CheckMovies(void) |
822 | { |
823 | FILE *st=NULL; |
824 | char *fn; |
825 | int ssel; |
826 | |
827 | for(ssel=0;ssel<10;ssel++) |
828 | { |
829 | st=FCEUD_UTF8fopen(fn=FCEU_MakeFName(FCEUMKF_MOVIE,ssel,0),"rb"); |
830 | free(fn); |
831 | if(st) |
832 | { |
833 | MovieStatus[ssel]=1; |
834 | fclose(st); |
835 | } |
836 | else |
837 | MovieStatus[ssel]=0; |
838 | } |
839 | |
840 | } |
841 | |
842 | void FCEUI_SelectMovieNext(int n) |
843 | { |
844 | if(n>0) |
845 | CurrentMovie=(CurrentMovie+1)%10; |
846 | else |
847 | CurrentMovie=(CurrentMovie+9)%10; |
848 | FCEUI_SelectMovie(CurrentMovie, 1); |
849 | } |
850 | |
851 | |
852 | int FCEUI_SelectMovie(int w, int show) |
853 | { |
854 | int oldslot=CurrentMovie; |
855 | if(w == -1) { MovieShow = 0; return; } |
856 | FCEUI_SelectState(-1,0); |
857 | |
858 | CurrentMovie=w; |
859 | MovieShow=180; |
860 | |
861 | if(show) |
862 | { |
863 | MovieShow=180; |
864 | if(current > 0) |
865 | FCEU_DispMessage("-recording movie %d-",current-1); |
866 | else if (current < 0) |
867 | FCEU_DispMessage("-playing movie %d-",-1 - current); |
868 | else |
869 | FCEU_DispMessage("-select movie-"); |
870 | } |
871 | } |
872 | |
873 | int movcounter=0; |
874 | |
875 | void FCEU_DrawMovies(uint8 *XBuf) |
876 | { |
877 | int frameDisplayOn = current != 0 && frame_display; |
878 | extern int howlong; |
879 | #if WIN32 |
880 | extern int32 fps_scale; |
881 | #else |
882 | int32 fps_scale=256; |
883 | #endif |
884 | int howl=(180-(FCEUI_EmulationPaused()?(60):(20*fps_scale/256))); |
885 | if(howl>176) howl=180; |
886 | if(howl<1) howl=1; |
887 | if((howlong<howl || movcounter) |
888 | && (frameDisplayOn && (!movcounter || last_frame_display!=framecount) || input_display && (!movcounter || last_input_display!=cur_input_display))) |
889 | { |
890 | char inputstr [32]; |
891 | if(input_display) |
892 | { |
893 | uint32 c = cur_input_display; |
894 | sprintf(inputstr, "%c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c", |
895 | (c&0x40)?'<':' ', (c&0x10)?'^':' ', (c&0x80)?'>':' ', (c&0x20)?'v':' ', |
896 | (c&0x01)?'A':' ', (c&0x02)?'B':' ', (c&0x08)?'S':' ', (c&0x04)?'s':' ', |
897 | (c&0x4000)?'<':' ', (c&0x1000)?'^':' ', (c&0x8000)?'>':' ', (c&0x2000)?'v':' ', |
898 | (c&0x0100)?'A':' ', (c&0x0200)?'B':' ', (c&0x0800)?'S':' ', (c&0x0400)?'s':' '); |
899 | if(!(c&0xff00)) |
900 | inputstr[8] = '\0'; |
901 | } |
902 | if(frameDisplayOn && !input_display) |
903 | FCEU_DispMessage("%s frame %u",current >= 0?"Recording":"Playing",framecount); |
904 | else if(input_display && !frameDisplayOn) |
905 | FCEU_DispMessage("Input: %s",inputstr); |
906 | else //if(input_display && frame_display) |
907 | FCEU_DispMessage("%s %u %s",current >= 0?"Recording":"Playing",framecount,inputstr); |
908 | |
909 | last_frame_display = framecount; |
910 | last_input_display = cur_input_display; |
911 | movcounter=180-1; |
912 | return; |
913 | } |
914 | |
915 | if(movcounter) movcounter--; |
916 | |
917 | if(!MovieShow) return; |
918 | |
919 | FCEU_DrawNumberRow(XBuf,MovieStatus, CurrentMovie); |
920 | MovieShow--; |
921 | } |
922 | |
923 | int FCEUMOV_WriteState(FILE* st) |
924 | { |
925 | uint32 to_write = 0; |
926 | if(current < 0) |
927 | to_write = moviedatasize; |
928 | else if(current > 0) |
929 | to_write = frameptr; |
930 | |
931 | if(!st) |
932 | return to_write; |
933 | |
934 | if(to_write) |
935 | fwrite(moviedata, 1, to_write, st); |
936 | return to_write; |
937 | } |
938 | |
939 | static int load_successful; |
940 | |
941 | int FCEUMOV_ReadState(FILE* st, uint32 size) |
942 | { |
943 | // if this savestate was made while replaying, |
944 | // we need to "undo" nextd and nextts |
945 | if(nextd != -1) |
946 | { |
947 | int d = 1; |
948 | if(nextts > 65536) |
949 | d = 4; |
950 | else if(nextts > 256) |
951 | d = 3; |
952 | else if(nextts > 0) |
953 | d = 2; |
954 | frameptr -= d; |
955 | nextd = -1; |
956 | } |
957 | |
958 | // if(current > 0 || (!movie_readonly && current < 0)) /* Recording or Playback (!read-only) */ |
959 | if(current!=0 && !movie_readonly) |
960 | { |
961 | // copy movie data from savestate |
962 | moviedata = (uint8*)realloc(moviedata, size); |
963 | moviedatasize = size; |
964 | if(size && fread(moviedata, 1, size, st)<size) |
965 | return 0; |
966 | if(current < 0) // switch to recording |
967 | current = -current; |
968 | fseek(slots[current - 1], firstframeoffset, SEEK_SET); |
969 | fwrite(moviedata, 1, frameptr, slots[current - 1]); |
970 | rerecord_count++; |
971 | } |
972 | // else if(current < 0) /* Playback (read-only) */ |
973 | else if(current!=0 && movie_readonly) |
974 | { |
975 | if(current > 0) // switch to playback |
976 | current = -current; |
977 | // allow frameptr to be updated but keep movie data |
978 | fseek(st, size, SEEK_CUR); |
979 | // prevent seeking beyond the end of the movie |
980 | if(frameptr > moviedatasize) |
981 | frameptr = moviedatasize; |
982 | } |
983 | else /* Neither recording or replaying */ |
984 | { |
985 | // skip movie data |
986 | fseek(st, size, SEEK_CUR); |
987 | } |
988 | |
989 | load_successful=1; |
990 | return 1; |
991 | } |
992 | |
993 | void FCEUMOV_PreLoad(void) |
994 | { |
995 | load_successful=0; |
996 | } |
997 | |
998 | int FCEUMOV_PostLoad(void) |
999 | { |
1000 | if(!FCEUI_IsMovieActive()) |
1001 | return 1; |
1002 | else |
1003 | return load_successful; |
1004 | } |
1005 | |
1006 | char* FCEUI_MovieGetCurrentName(int addSlotNumber) |
1007 | { |
1008 | return FCEU_MakeFName(FCEUMKF_MOVIE,(addSlotNumber ? CurrentMovie : -1),0); |
1009 | } |
1010 | #endif |
1011 | |
1012 | int FCEUI_IsMovieActive(void) |
1013 | { |
1014 | return current; |
1015 | } |
1016 | |
1017 | #if 0 |
1018 | void FCEUI_MovieToggleFrameDisplay(void) |
1019 | { |
1020 | frame_display=!frame_display; |
1021 | if(!(current != 0 && frame_display) && !input_display) |
1022 | FCEU_ResetMessages(); |
1023 | else |
1024 | { |
1025 | last_frame_display = ~framecount; |
1026 | last_input_display = ~cur_input_display; |
1027 | } |
1028 | } |
1029 | |
1030 | void FCEUI_ToggleInputDisplay(void) |
1031 | { |
1032 | input_display=!input_display; |
1033 | if(!input_display && !(current != 0 && frame_display)) |
1034 | FCEU_ResetMessages(); |
1035 | else |
1036 | { |
1037 | last_frame_display = ~framecount; |
1038 | last_input_display = ~cur_input_display; |
1039 | } |
1040 | } |
1041 | |
1042 | void FCEUI_MovieToggleReadOnly(void) |
1043 | { |
1044 | if(movie_readonly < 2) |
1045 | { |
1046 | movie_readonly = !movie_readonly; |
1047 | if(movie_readonly) |
1048 | FCEU_DispMessage("Movie is now Read-Only."); |
1049 | else |
1050 | FCEU_DispMessage("Movie is now Read+Write."); |
1051 | } |
1052 | else |
1053 | { |
1054 | FCEU_DispMessage("Movie file is Read-Only."); |
1055 | } |
1056 | } |
1057 | |
1058 | char lastMovieInfoFilename [512] = {'\0',}; |
1059 | |
1060 | int FCEUI_MovieGetInfo(const char* fname, MOVIE_INFO* info) |
1061 | { |
1062 | FlushHeader(); |
1063 | |
1064 | char buffer [512]; |
1065 | fname = (const char*)convertToFCM(fname,buffer); |
1066 | strncpy(lastMovieInfoFilename, fname, 512); |
1067 | |
1068 | // main get info part of function |
1069 | { |
1070 | uint32 magic; |
1071 | uint32 version; |
1072 | uint8 _flags[4]; |
1073 | |
1074 | FILE* fp = FCEUD_UTF8fopen(fname, "rb"); |
1075 | if(!fp) |
1076 | return 0; |
1077 | |
1078 | read32le(&magic, fp); |
1079 | if(magic != MOVIE_MAGIC) |
1080 | { |
1081 | fclose(fp); |
1082 | return 0; |
1083 | } |
1084 | |
1085 | read32le(&version, fp); |
1086 | if(version != MOVIE_VERSION) |
1087 | { |
1088 | fclose(fp); |
1089 | if(version == 1) |
1090 | return FCEUI_MovieGetInfo_v1(fname, info); |
1091 | else |
1092 | return 0; |
1093 | } |
1094 | |
1095 | info->movie_version = MOVIE_VERSION; |
1096 | |
1097 | fread(_flags, 1, 4, fp); |
1098 | |
1099 | info->flags = _flags[0]; |
1100 | read32le(&info->num_frames, fp); |
1101 | read32le(&info->rerecord_count, fp); |
1102 | |
1103 | if(access(fname, W_OK)) |
1104 | info->read_only = 1; |
1105 | else |
1106 | info->read_only = 0; |
1107 | |
1108 | fseek(fp, 12, SEEK_CUR); // skip movie_data_size, offset_to_savestate, and offset_to_movie_data |
1109 | |
1110 | fread(info->md5_of_rom_used, 1, 16, fp); |
1111 | info->md5_of_rom_used_present = 1; |
1112 | |
1113 | read32le(&info->emu_version_used, fp); |
1114 | |
1115 | // I probably could have planned this better... |
1116 | { |
1117 | char str[256]; |
1118 | size_t r; |
1119 | int p; |
1120 | int p2=0; |
1121 | char last_c=32; |
1122 | |
1123 | if(info->name_of_rom_used && info->name_of_rom_used_size) |
1124 | info->name_of_rom_used[0]='\0'; |
1125 | |
1126 | r=fread(str, 1, 256, fp); |
1127 | while(r > 0) |
1128 | { |
1129 | for(p=0; p<r && last_c != '\0'; ++p) |
1130 | { |
1131 | if(info->name_of_rom_used && info->name_of_rom_used_size && (p2 < info->name_of_rom_used_size-1)) |
1132 | { |
1133 | info->name_of_rom_used[p2]=str[p]; |
1134 | p2++; |
1135 | last_c=str[p]; |
1136 | } |
1137 | } |
1138 | if(p<r) |
1139 | { |
1140 | memmove(str, str+p, r-p); |
1141 | r -= p; |
1142 | break; |
1143 | } |
1144 | r=fread(str, 1, 256, fp); |
1145 | } |
1146 | |
1147 | p2=0; |
1148 | last_c=32; |
1149 | |
1150 | if(info->metadata && info->metadata_size) |
1151 | info->metadata[0]='\0'; |
1152 | |
1153 | while(r > 0) |
1154 | { |
1155 | for(p=0; p<r && last_c != '\0'; ++p) |
1156 | { |
1157 | if(info->metadata && info->metadata_size && (p2 < info->metadata_size-1)) |
1158 | { |
1159 | info->metadata[p2]=str[p]; |
1160 | p2++; |
1161 | last_c=str[p]; |
1162 | } |
1163 | } |
1164 | if(p != r) |
1165 | break; |
1166 | r=fread(str, 1, 256, fp); |
1167 | } |
1168 | |
1169 | if(r<=0) |
1170 | { |
1171 | // somehow failed to read romname and metadata |
1172 | fclose(fp); |
1173 | return 0; |
1174 | } |
1175 | } |
1176 | |
1177 | // check what hacks are necessary |
1178 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
1179 | uint32 temp_savestate_offset; |
1180 | read32le(&temp_savestate_offset, fp); |
1181 | if(fseek(fp, temp_savestate_offset, SEEK_SET)) |
1182 | { |
1183 | fclose(fp); |
1184 | return 0; |
1185 | } |
1186 | if(!FCEUSS_LoadFP(fp,2)) return 0; // 2 -> don't really load, just load to find what's there then load backup |
1187 | |
1188 | fclose(fp); |
1189 | return 1; |
1190 | } |
1191 | } |
1192 | #endif |
1193 | /* |
1194 | Backwards compat |
1195 | */ |
1196 | |
1197 | |
1198 | /* |
1199 | struct MovieHeader_v1 |
1200 | { |
1201 | uint32 magic; |
1202 | uint32 version=1; |
1203 | uint8 flags[4]; |
1204 | uint32 length_frames; |
1205 | uint32 rerecord_count; |
1206 | uint32 movie_data_size; |
1207 | uint32 offset_to_savestate; |
1208 | uint32 offset_to_movie_data; |
1209 | uint16 metadata_ucs2[]; // ucs-2, ick! sizeof(metadata) = offset_to_savestate - MOVIE_HEADER_SIZE |
1210 | } |
1211 | */ |
1212 | |
1213 | #define MOVIE_V1_HEADER_SIZE 32 |
1214 | |
1215 | static void FCEUI_LoadMovie_v1(char *fname, int _read_only) |
1216 | { |
1217 | FILE *fp; |
1218 | char *fn = NULL; |
1219 | |
1220 | FCEUI_StopMovie(); |
1221 | |
1222 | #if 0 |
1223 | if(!fname) |
1224 | fname = fn = FCEU_MakeFName(FCEUMKF_MOVIE,CurrentMovie,0); |
1225 | #endif |
1226 | |
1227 | // check movie_readonly |
1228 | movie_readonly = _read_only; |
1229 | if(access(fname, W_OK)) |
1230 | movie_readonly = 2; |
1231 | |
1232 | #if 0 |
1233 | fp = FCEUD_UTF8fopen(fname, (movie_readonly>=2) ? "rb" : "r+b"); |
1234 | #else |
1235 | fp = fopen(fname, (movie_readonly>=2) ? "rb" : "r+b"); |
1236 | #endif |
1237 | |
1238 | if(fn) |
1239 | { |
1240 | free(fn); |
1241 | fname = NULL; |
1242 | } |
1243 | |
1244 | if(!fp) return; |
1245 | |
1246 | // read header |
1247 | { |
1248 | uint32 magic; |
1249 | uint32 version; |
1250 | uint8 flags[4]; |
1251 | uint32 fc; |
1252 | |
1253 | read32le(&magic, fp); |
1254 | if(magic != MOVIE_MAGIC) |
1255 | { |
1256 | fclose(fp); |
1257 | return; |
1258 | } |
1259 | |
1260 | read32le(&version, fp); |
1261 | if(version != 1) |
1262 | { |
1263 | fclose(fp); |
1264 | return; |
1265 | } |
1266 | |
1267 | fread(flags, 1, 4, fp); |
1268 | read32le(&fc, fp); |
1269 | read32le(&rerecord_count, fp); |
1270 | read32le(&moviedatasize, fp); |
1271 | read32le(&savestate_offset, fp); |
1272 | read32le(&firstframeoffset, fp); |
1273 | if(fseek(fp, savestate_offset, SEEK_SET)) |
1274 | { |
1275 | fclose(fp); |
1276 | return; |
1277 | } |
1278 | |
1279 | if(flags[0] & MOVIE_FLAG_NOSYNCHACK) |
1280 | movieSyncHackOn=0; |
1281 | else |
1282 | movieSyncHackOn=1; |
1283 | } |
1284 | |
1285 | // fully reload the game to reinitialize everything before playing any movie |
1286 | // to try fixing nondeterministic playback of some games |
1287 | { |
1288 | extern char lastLoadedGameName [2048]; |
1289 | #if 0 // TODO? |
1290 | extern int disableBatteryLoading, suppressAddPowerCommand; |
1291 | suppressAddPowerCommand=1; |
1292 | suppressMovieStop=1; |
1293 | #endif |
1294 | { |
1295 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
1296 | if(!gi) |
1297 | PowerNES(); |
1298 | } |
1299 | #if 0 // TODO? |
1300 | suppressMovieStop=0; |
1301 | suppressAddPowerCommand=0; |
1302 | #endif |
1303 | } |
1304 | |
1305 | if(!FCEUSS_LoadFP(fp,1)) return; |
1306 | |
1307 | ResetInputTypes(); |
1308 | |
1309 | fseek(fp, firstframeoffset, SEEK_SET); |
1310 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
1311 | fread(moviedata, 1, moviedatasize, fp); |
1312 | |
1313 | framecount = 0; // movies start at frame 0! |
1314 | frameptr = 0; |
1315 | current = CurrentMovie; |
1316 | slots[current] = fp; |
1317 | |
1318 | memset(joop,0,sizeof(joop)); |
1319 | current = -1 - current; |
1320 | framets=0; |
1321 | nextts=0; |
1322 | nextd = -1; |
1323 | MovieStatus[CurrentMovie] = 1; |
1324 | #if 0 |
1325 | if(!fname) |
1326 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
1327 | else |
1328 | #endif |
1329 | FCEU_DispMessage("Movie playback started."); |
1330 | } |
1331 | |
1332 | #if 0 |
1333 | static int FCEUI_MovieGetInfo_v1(const char* fname, MOVIE_INFO* info) |
1334 | { |
1335 | uint32 magic; |
1336 | uint32 version; |
1337 | uint8 _flags[4]; |
1338 | uint32 savestateoffset; |
1339 | uint8 tmp[MOVIE_MAX_METADATA<<1]; |
1340 | int metadata_length; |
1341 | |
1342 | FILE* fp = FCEUD_UTF8fopen(fname, "rb"); |
1343 | if(!fp) |
1344 | return 0; |
1345 | |
1346 | read32le(&magic, fp); |
1347 | if(magic != MOVIE_MAGIC) |
1348 | { |
1349 | fclose(fp); |
1350 | return 0; |
1351 | } |
1352 | |
1353 | read32le(&version, fp); |
1354 | if(version != 1) |
1355 | { |
1356 | fclose(fp); |
1357 | return 0; |
1358 | } |
1359 | |
1360 | info->movie_version = 1; |
1361 | info->emu_version_used = 0; // unknown |
1362 | |
1363 | fread(_flags, 1, 4, fp); |
1364 | |
1365 | info->flags = _flags[0]; |
1366 | read32le(&info->num_frames, fp); |
1367 | read32le(&info->rerecord_count, fp); |
1368 | |
1369 | if(access(fname, W_OK)) |
1370 | info->read_only = 1; |
1371 | else |
1372 | info->read_only = 0; |
1373 | |
1374 | fseek(fp, 4, SEEK_CUR); |
1375 | read32le(&savestateoffset, fp); |
1376 | |
1377 | metadata_length = (int)savestateoffset - MOVIE_V1_HEADER_SIZE; |
1378 | if(metadata_length > 0) |
1379 | { |
1380 | int i; |
1381 | |
1382 | metadata_length >>= 1; |
1383 | if(metadata_length >= MOVIE_MAX_METADATA) |
1384 | metadata_length = MOVIE_MAX_METADATA-1; |
1385 | |
1386 | fseek(fp, MOVIE_V1_HEADER_SIZE, SEEK_SET); |
1387 | fread(tmp, 1, metadata_length<<1, fp); |
1388 | } |
1389 | |
1390 | // turn old ucs2 metadata into utf8 |
1391 | if(info->metadata && info->metadata_size) |
1392 | { |
1393 | char* ptr=info->metadata; |
1394 | char* ptr_end=info->metadata+info->metadata_size-1; |
1395 | int c_ptr=0; |
1396 | while(ptr<ptr_end && c_ptr<metadata_length) |
1397 | { |
1398 | uint16 c=(tmp[c_ptr<<1] | (tmp[(c_ptr<<1)+1] << 8)); |
1399 | switch(c) |
1400 | { |
1401 | case 0 ... 0x7f: |
1402 | *ptr++ = (char)(c&0x7f); |
1403 | break; |
1404 | case 0x80 ... 0x7ff: |
1405 | if(ptr+1>=ptr_end) |
1406 | ptr_end=ptr; |
1407 | else |
1408 | { |
1409 | *ptr++=(0xc0 | (c>>6)); |
1410 | *ptr++=(0x80 | (c & 0x3f)); |
1411 | } |
1412 | break; |
1413 | case 0x800 ... 0xffff: |
1414 | if(ptr+2>=ptr_end) |
1415 | ptr_end=ptr; |
1416 | else |
1417 | { |
1418 | *ptr++=(0xe0 | (c>>12)); |
1419 | *ptr++=(0x80 | ((c>>6) & 0x3f)); |
1420 | *ptr++=(0x80 | (c & 0x3f)); |
1421 | } |
1422 | break; |
1423 | } |
1424 | c_ptr++; |
1425 | } |
1426 | *ptr='\0'; |
1427 | } |
1428 | |
1429 | // md5 info not available from v1 |
1430 | info->md5_of_rom_used_present = 0; |
1431 | // rom name used for the movie not available from v1 |
1432 | if(info->name_of_rom_used && info->name_of_rom_used_size) |
1433 | info->name_of_rom_used[0] = '\0'; |
1434 | |
1435 | // check what hacks are necessary |
1436 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
1437 | uint32 temp_savestate_offset; |
1438 | read32le(&temp_savestate_offset, fp); |
1439 | if(fseek(fp, temp_savestate_offset, SEEK_SET)) |
1440 | { |
1441 | fclose(fp); |
1442 | return 0; |
1443 | } |
1444 | if(!FCEUSS_LoadFP(fp,2)) return 0; // 2 -> don't really load, just load to find what's there then load backup |
1445 | |
1446 | |
1447 | fclose(fp); |
1448 | return 1; |
1449 | } |
1450 | #endif |
1451 | |