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); |
890e37ba |
50 | //static int FCEUI_MovieGetInfo_v1(const char* fname, MOVIE_INFO* info); |
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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; |
4fdfab07 |
86 | /*static*/ uint32 framecount = 0; |
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87 | static uint32 rerecord_count = 0; |
88 | /*static*/ int movie_readonly = 1; |
89 | int frame_display = 0; |
890e37ba |
90 | //static uint32 last_frame_display = ~0; |
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91 | int input_display = 0; |
92 | static uint32 cur_input_display = 0; |
890e37ba |
93 | //static uint32 last_input_display = ~0; |
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94 | |
95 | int resetDMCacc=0; |
96 | |
97 | /* Cache variables used for playback. */ |
98 | static uint32 nextts = 0; |
99 | static int32 nextd = 0; |
100 | |
92764e62 |
101 | //#define FCEUSTATE_RLSB 0x80000000 |
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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; |
890e37ba |
115 | //static int MovieShow = 0; |
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116 | |
117 | static int MovieStatus[10]; |
118 | |
890e37ba |
119 | //static void DoEncode(int joy, int button, int); |
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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); |
989672f4 |
434 | printf("movie: trying movie v1\n"); |
5a2aa426 |
435 | FCEUI_LoadMovie_v1(fname, _read_only); |
436 | return; |
437 | } |
438 | else if(version == MOVIE_VERSION) |
439 | {} |
440 | else |
441 | { |
442 | // unsupported version |
c4980f9e |
443 | printf("movie: unsupported version\n"); |
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444 | fclose(fp); |
445 | return; |
446 | } |
447 | |
448 | fread(flags, 1, 4, fp); |
449 | read32le(&framecount, fp); |
450 | read32le(&rerecord_count, fp); |
451 | read32le(&moviedatasize, fp); |
452 | read32le(&savestate_offset, fp); |
453 | read32le(&firstframeoffset, fp); |
454 | if(fseek(fp, savestate_offset, SEEK_SET)) |
455 | { |
456 | fclose(fp); |
457 | return; |
458 | } |
459 | |
460 | // FCEU_PrintError("flags[0] & MOVIE_FLAG_NOSYNCHACK=%d",flags[0] & MOVIE_FLAG_NOSYNCHACK); |
461 | if(flags[0] & MOVIE_FLAG_NOSYNCHACK) |
462 | movieSyncHackOn=0; |
463 | else |
464 | movieSyncHackOn=1; |
465 | } |
466 | |
467 | // fully reload the game to reinitialize everything before playing any movie |
468 | // to try fixing nondeterministic playback of some games |
469 | #if 0 // do we need this? |
470 | { |
471 | extern char lastLoadedGameName [2048]; |
472 | #if 0 // TODO? |
473 | extern int disableBatteryLoading, suppressAddPowerCommand; |
474 | suppressAddPowerCommand=1; |
475 | suppressMovieStop=1; |
476 | #endif |
477 | { |
478 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
479 | if(!gi) |
480 | PowerNES(); |
481 | } |
482 | #if 0 // TODO? |
483 | suppressMovieStop=0; |
484 | suppressAddPowerCommand=0; |
485 | #endif |
486 | } |
487 | #endif |
488 | |
c4980f9e |
489 | // Loading new savestates doesn't work and even breaks FDS |
490 | //if(!FCEUSS_LoadFP(fp,1)) return; |
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491 | |
492 | ResetInputTypes(); |
493 | |
494 | fseek(fp, firstframeoffset, SEEK_SET); |
495 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
496 | fread(moviedata, 1, moviedatasize, fp); |
497 | |
498 | framecount = 0; // movies start at frame 0! |
499 | frameptr = 0; |
500 | current = CurrentMovie; |
501 | slots[current] = fp; |
502 | |
503 | memset(joop,0,sizeof(joop)); |
504 | current = -1 - current; |
505 | framets=0; |
506 | nextts=0; |
507 | nextd = -1; |
508 | |
509 | MovieStatus[CurrentMovie] = 1; |
510 | #if 0 |
511 | if(!fname) |
512 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
513 | else |
514 | #endif |
515 | FCEU_DispMessage("Movie playback started."); |
516 | |
517 | #if 0 |
518 | strcpy(curMovieFilename, origname); |
519 | #else |
520 | strcpy(curMovieFilename, fname); |
521 | #endif |
522 | } |
523 | |
524 | #if 0 |
525 | void FCEUI_SaveMovie(char *fname, uint8 flags, const char* metadata) |
526 | { |
527 | FILE *fp; |
528 | char *fn; |
529 | int poweron=0; |
530 | uint8 padding[4] = {0,0,0,0}; |
531 | int n_padding; |
532 | |
533 | FCEUI_StopMovie(); |
534 | |
535 | char origname[512]; |
536 | if(fname) |
537 | { |
538 | fp = FCEUD_UTF8fopen(fname, "wb"); |
539 | strcpy(origname,fname); |
540 | } |
541 | else |
542 | { |
543 | fp=FCEUD_UTF8fopen(fn=FCEU_MakeFName(FCEUMKF_MOVIE,CurrentMovie,0),"wb"); |
544 | strcpy(origname,fn); |
545 | free(fn); |
546 | } |
547 | |
548 | if(!fp) return; |
549 | |
550 | // don't need the movieSyncHackOn sync hack for newly recorded movies |
551 | flags |= MOVIE_FLAG_NOSYNCHACK; |
552 | resetDMCacc=movieSyncHackOn=0; |
553 | |
554 | // add PAL flag |
555 | if(FCEUI_GetCurrentVidSystem(0,0)) |
556 | flags |= MOVIE_FLAG_PAL; |
557 | |
558 | if(flags & MOVIE_FLAG_FROM_POWERON) |
559 | { |
560 | poweron=1; |
561 | flags &= ~MOVIE_FLAG_FROM_POWERON; |
562 | flags |= MOVIE_FLAG_FROM_RESET; |
563 | } |
564 | |
565 | // write header |
566 | write32le(MOVIE_MAGIC, fp); |
567 | write32le(MOVIE_VERSION, fp); |
568 | fputc(flags, fp); |
569 | fputc(0, fp); // reserved |
570 | fputc(0, fp); // reserved |
571 | fputc(0, fp); // reserved |
572 | write32le(0, fp); // leave room for length frames |
573 | write32le(0, fp); // leave room for rerecord count |
574 | write32le(0, fp); // leave room for movie data size |
575 | write32le(0, fp); // leave room for savestate_offset |
576 | write32le(0, fp); // leave room for offset_to_controller_data |
577 | fwrite(FCEUGameInfo->MD5, 1, 16, fp); // write ROM checksum |
578 | write32le(FCEU_VERSION_NUMERIC, fp); // write emu version used |
579 | fputs(FileBase, fp); // write ROM name used |
580 | fputc(0, fp); |
581 | if(metadata) |
582 | { |
583 | if(strlen(metadata) < MOVIE_MAX_METADATA) |
584 | fputs(metadata, fp); |
585 | else |
586 | fwrite(metadata, 1, MOVIE_MAX_METADATA-1, fp); |
587 | } |
588 | fputc(0, fp); |
589 | |
590 | // add padding |
591 | n_padding = (4 - (ftell(fp) & 0x3)) & 0x3; |
592 | fwrite(padding, 1, n_padding, fp); |
593 | |
594 | if(flags & MOVIE_FLAG_FROM_RESET) |
595 | { |
596 | if(poweron) |
597 | { |
598 | // make a for-movie-recording power-on clear the game's save data, too |
599 | // (note: FCEU makes a save state immediately after this and that loads that on movie playback) |
600 | extern char lastLoadedGameName [2048]; |
601 | extern int disableBatteryLoading, suppressAddPowerCommand; |
602 | suppressAddPowerCommand=1; |
603 | disableBatteryLoading=1; |
604 | suppressMovieStop=1; |
605 | { |
606 | // NOTE: this will NOT write an FCEUNPCMD_POWER into the movie file |
607 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
608 | if(!gi) |
609 | PowerNES(); // and neither will this, if it can even happen |
610 | } |
611 | suppressMovieStop=0; |
612 | disableBatteryLoading=0; |
613 | suppressAddPowerCommand=0; |
614 | } |
615 | } |
616 | |
617 | savestate_offset = ftell(fp); |
618 | FCEUSS_SaveFP(fp); |
619 | fseek(fp, 0, SEEK_END); |
620 | |
621 | ResetInputTypes(); |
622 | |
623 | // add padding |
624 | n_padding = (4 - (ftell(fp) & 0x3)) & 0x3; |
625 | fwrite(padding, 1, n_padding, fp); |
626 | |
627 | firstframeoffset = ftell(fp); |
628 | |
629 | // finish header |
630 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
631 | write32le(savestate_offset, fp); |
632 | write32le(firstframeoffset, fp); |
633 | |
634 | fseek(fp, firstframeoffset, SEEK_SET); |
635 | |
636 | // set recording flag |
637 | current=CurrentMovie; |
638 | |
639 | movie_readonly = 0; |
640 | frameptr = 0; |
641 | framecount = 0; |
642 | rerecord_count = 0; |
643 | slots[current] = fp; |
644 | memset(joop,0,sizeof(joop)); |
645 | current++; |
646 | framets=0; |
647 | nextd = -1; |
648 | |
649 | // trigger a reset |
650 | if(flags & MOVIE_FLAG_FROM_RESET) |
651 | { |
652 | if(poweron) |
653 | { |
654 | PowerNES(); // NOTE: this will write an FCEUNPCMD_POWER into the movie file |
655 | } |
656 | else |
657 | ResetNES(); // NOTE: this will write an FCEUNPCMD_RESET into the movie file |
658 | } |
659 | if(!fname) |
660 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
661 | else |
662 | FCEU_DispMessage("Movie recording started."); |
663 | |
664 | strcpy(curMovieFilename, origname); |
665 | } |
666 | |
667 | static void movie_writechar(int c) |
668 | { |
669 | if(frameptr == moviedatasize) |
670 | { |
671 | moviedatasize += 4096; |
672 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
673 | } |
674 | moviedata[frameptr++] = (uint8)(c & 0xff); |
675 | fputc(c, slots[current - 1]); |
676 | } |
677 | #endif |
678 | |
679 | static int movie_readchar() |
680 | { |
681 | if(frameptr >= moviedatasize) |
682 | { |
683 | return -1; |
684 | } |
685 | return (int)(moviedata[frameptr++]); |
686 | } |
687 | |
688 | #if 0 |
689 | static void DoEncode(int joy, int button, int dummy) |
690 | { |
691 | uint8 d; |
692 | |
693 | d = 0; |
694 | |
695 | if(framets >= 65536) |
696 | d = 3 << 5; |
697 | else if(framets >= 256) |
698 | d = 2 << 5; |
699 | else if(framets > 0) |
700 | d = 1 << 5; |
701 | |
702 | if(dummy) d|=0x80; |
703 | |
704 | d |= joy << 3; |
705 | d |= button; |
706 | |
707 | movie_writechar(d); |
708 | //printf("Wr: %02x, %d\n",d,slots[current-1]); |
709 | while(framets) |
710 | { |
711 | movie_writechar(framets & 0xff); |
712 | //printf("Wrts: %02x\n",framets & 0xff); |
713 | framets >>= 8; |
714 | } |
715 | } |
716 | #endif |
717 | |
718 | // TODO: make this function legible! (what are all these magic numbers and weirdly named variables and crazy unexplained loops?) |
719 | void FCEUMOV_AddJoy(uint8 *js) |
720 | { |
890e37ba |
721 | // int x,y; |
5a2aa426 |
722 | |
890e37ba |
723 | if(!current) return; // Not playback nor recording. |
5a2aa426 |
724 | |
725 | if(current < 0) // Playback |
726 | { |
727 | while(nextts == framets || nextd == -1) |
728 | { |
729 | int tmp,ti; |
730 | uint8 d; |
731 | |
732 | if(nextd != -1) |
733 | { |
734 | if(nextd&0x80) |
735 | { |
736 | //puts("Egads"); |
5a2aa426 |
737 | FCEU_DoSimpleCommand(nextd&0x1F); |
5a2aa426 |
738 | } |
739 | else |
740 | joop[(nextd >> 3)&0x3] ^= 1 << (nextd&0x7); |
741 | } |
742 | |
743 | |
744 | tmp = movie_readchar(); |
745 | d = tmp; |
746 | |
747 | if(tmp < 0) |
748 | { |
749 | StopPlayback(); |
750 | memcpy(&cur_input_display,js,4); |
751 | return; |
752 | } |
753 | |
754 | nextts = 0; |
755 | tmp >>= 5; |
756 | tmp &= 0x3; |
757 | ti=0; |
758 | |
759 | int tmpfix = tmp; |
760 | while(tmp--) { nextts |= movie_readchar() << (ti * 8); ti++; } |
761 | |
762 | // This fixes a bug in movies recorded before version 0.98.11 |
763 | // It's probably not necessary, but it may keep away CRAZY PEOPLE who recorded |
764 | // movies on <= 0.98.10 and don't work on playback. |
765 | if(tmpfix == 1 && !nextts) |
766 | {nextts |= movie_readchar()<<8; } |
767 | else if(tmpfix == 2 && !nextts) {nextts |= movie_readchar()<<16; } |
768 | |
769 | if(nextd != -1) |
770 | framets = 0; |
771 | nextd = d; |
772 | } |
773 | |
774 | memcpy(js,joop,4); |
775 | } |
776 | #if 0 |
777 | else if(current > 0) // Recording |
778 | { |
779 | // flush header info every 300 frames in case of crash |
780 | { |
781 | static int fcounter=0; |
782 | fcounter++; |
783 | if(!(fcounter%300)) |
784 | FlushHeader(); |
785 | } |
786 | |
787 | for(x=0;x<4;x++) |
788 | { |
789 | if(js[x] != joop[x]) |
790 | { |
791 | for(y=0;y<8;y++) |
792 | if((js[x] ^ joop[x]) & (1 << y)) |
793 | DoEncode(x, y, 0); |
794 | joop[x] = js[x]; |
795 | } |
796 | else if(framets == ((1<<24)-1)) DoEncode(0,0,1); // Overflow will happen, so do dummy update. |
797 | } |
798 | } |
799 | #endif |
800 | |
801 | if(current) |
802 | { |
803 | framets++; |
804 | framecount++; |
805 | } |
806 | |
807 | memcpy(&cur_input_display,js,4); |
808 | } |
809 | |
810 | #if 0 |
811 | void FCEUMOV_AddCommand(int cmd) |
812 | { |
813 | if(current <= 0) return; // Return if not recording a movie |
814 | //printf("%d\n",cmd); |
815 | DoEncode((cmd>>3)&0x3,cmd&0x7,1); |
816 | } |
817 | #endif |
818 | |
819 | #if 0 |
820 | void FCEUMOV_CheckMovies(void) |
821 | { |
822 | FILE *st=NULL; |
823 | char *fn; |
824 | int ssel; |
825 | |
826 | for(ssel=0;ssel<10;ssel++) |
827 | { |
828 | st=FCEUD_UTF8fopen(fn=FCEU_MakeFName(FCEUMKF_MOVIE,ssel,0),"rb"); |
829 | free(fn); |
830 | if(st) |
831 | { |
832 | MovieStatus[ssel]=1; |
833 | fclose(st); |
834 | } |
835 | else |
836 | MovieStatus[ssel]=0; |
837 | } |
838 | |
839 | } |
840 | |
841 | void FCEUI_SelectMovieNext(int n) |
842 | { |
843 | if(n>0) |
844 | CurrentMovie=(CurrentMovie+1)%10; |
845 | else |
846 | CurrentMovie=(CurrentMovie+9)%10; |
847 | FCEUI_SelectMovie(CurrentMovie, 1); |
848 | } |
849 | |
850 | |
851 | int FCEUI_SelectMovie(int w, int show) |
852 | { |
853 | int oldslot=CurrentMovie; |
854 | if(w == -1) { MovieShow = 0; return; } |
855 | FCEUI_SelectState(-1,0); |
856 | |
857 | CurrentMovie=w; |
858 | MovieShow=180; |
859 | |
860 | if(show) |
861 | { |
862 | MovieShow=180; |
863 | if(current > 0) |
864 | FCEU_DispMessage("-recording movie %d-",current-1); |
865 | else if (current < 0) |
866 | FCEU_DispMessage("-playing movie %d-",-1 - current); |
867 | else |
868 | FCEU_DispMessage("-select movie-"); |
869 | } |
870 | } |
871 | |
872 | int movcounter=0; |
873 | |
874 | void FCEU_DrawMovies(uint8 *XBuf) |
875 | { |
876 | int frameDisplayOn = current != 0 && frame_display; |
877 | extern int howlong; |
878 | #if WIN32 |
879 | extern int32 fps_scale; |
880 | #else |
881 | int32 fps_scale=256; |
882 | #endif |
883 | int howl=(180-(FCEUI_EmulationPaused()?(60):(20*fps_scale/256))); |
884 | if(howl>176) howl=180; |
885 | if(howl<1) howl=1; |
886 | if((howlong<howl || movcounter) |
887 | && (frameDisplayOn && (!movcounter || last_frame_display!=framecount) || input_display && (!movcounter || last_input_display!=cur_input_display))) |
888 | { |
889 | char inputstr [32]; |
890 | if(input_display) |
891 | { |
892 | uint32 c = cur_input_display; |
893 | sprintf(inputstr, "%c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c", |
894 | (c&0x40)?'<':' ', (c&0x10)?'^':' ', (c&0x80)?'>':' ', (c&0x20)?'v':' ', |
895 | (c&0x01)?'A':' ', (c&0x02)?'B':' ', (c&0x08)?'S':' ', (c&0x04)?'s':' ', |
896 | (c&0x4000)?'<':' ', (c&0x1000)?'^':' ', (c&0x8000)?'>':' ', (c&0x2000)?'v':' ', |
897 | (c&0x0100)?'A':' ', (c&0x0200)?'B':' ', (c&0x0800)?'S':' ', (c&0x0400)?'s':' '); |
898 | if(!(c&0xff00)) |
899 | inputstr[8] = '\0'; |
900 | } |
901 | if(frameDisplayOn && !input_display) |
902 | FCEU_DispMessage("%s frame %u",current >= 0?"Recording":"Playing",framecount); |
903 | else if(input_display && !frameDisplayOn) |
904 | FCEU_DispMessage("Input: %s",inputstr); |
905 | else //if(input_display && frame_display) |
906 | FCEU_DispMessage("%s %u %s",current >= 0?"Recording":"Playing",framecount,inputstr); |
907 | |
908 | last_frame_display = framecount; |
909 | last_input_display = cur_input_display; |
910 | movcounter=180-1; |
911 | return; |
912 | } |
913 | |
914 | if(movcounter) movcounter--; |
915 | |
916 | if(!MovieShow) return; |
917 | |
918 | FCEU_DrawNumberRow(XBuf,MovieStatus, CurrentMovie); |
919 | MovieShow--; |
920 | } |
921 | |
922 | int FCEUMOV_WriteState(FILE* st) |
923 | { |
924 | uint32 to_write = 0; |
925 | if(current < 0) |
926 | to_write = moviedatasize; |
927 | else if(current > 0) |
928 | to_write = frameptr; |
929 | |
930 | if(!st) |
931 | return to_write; |
932 | |
933 | if(to_write) |
934 | fwrite(moviedata, 1, to_write, st); |
935 | return to_write; |
936 | } |
937 | |
938 | static int load_successful; |
939 | |
940 | int FCEUMOV_ReadState(FILE* st, uint32 size) |
941 | { |
942 | // if this savestate was made while replaying, |
943 | // we need to "undo" nextd and nextts |
944 | if(nextd != -1) |
945 | { |
946 | int d = 1; |
947 | if(nextts > 65536) |
948 | d = 4; |
949 | else if(nextts > 256) |
950 | d = 3; |
951 | else if(nextts > 0) |
952 | d = 2; |
953 | frameptr -= d; |
954 | nextd = -1; |
955 | } |
956 | |
957 | // if(current > 0 || (!movie_readonly && current < 0)) /* Recording or Playback (!read-only) */ |
958 | if(current!=0 && !movie_readonly) |
959 | { |
960 | // copy movie data from savestate |
961 | moviedata = (uint8*)realloc(moviedata, size); |
962 | moviedatasize = size; |
963 | if(size && fread(moviedata, 1, size, st)<size) |
964 | return 0; |
965 | if(current < 0) // switch to recording |
966 | current = -current; |
967 | fseek(slots[current - 1], firstframeoffset, SEEK_SET); |
968 | fwrite(moviedata, 1, frameptr, slots[current - 1]); |
969 | rerecord_count++; |
970 | } |
971 | // else if(current < 0) /* Playback (read-only) */ |
972 | else if(current!=0 && movie_readonly) |
973 | { |
974 | if(current > 0) // switch to playback |
975 | current = -current; |
976 | // allow frameptr to be updated but keep movie data |
977 | fseek(st, size, SEEK_CUR); |
978 | // prevent seeking beyond the end of the movie |
979 | if(frameptr > moviedatasize) |
980 | frameptr = moviedatasize; |
981 | } |
982 | else /* Neither recording or replaying */ |
983 | { |
984 | // skip movie data |
985 | fseek(st, size, SEEK_CUR); |
986 | } |
987 | |
988 | load_successful=1; |
989 | return 1; |
990 | } |
991 | |
992 | void FCEUMOV_PreLoad(void) |
993 | { |
994 | load_successful=0; |
995 | } |
996 | |
997 | int FCEUMOV_PostLoad(void) |
998 | { |
999 | if(!FCEUI_IsMovieActive()) |
1000 | return 1; |
1001 | else |
1002 | return load_successful; |
1003 | } |
1004 | |
1005 | char* FCEUI_MovieGetCurrentName(int addSlotNumber) |
1006 | { |
1007 | return FCEU_MakeFName(FCEUMKF_MOVIE,(addSlotNumber ? CurrentMovie : -1),0); |
1008 | } |
1009 | #endif |
1010 | |
1011 | int FCEUI_IsMovieActive(void) |
1012 | { |
1013 | return current; |
1014 | } |
1015 | |
1016 | #if 0 |
1017 | void FCEUI_MovieToggleFrameDisplay(void) |
1018 | { |
1019 | frame_display=!frame_display; |
1020 | if(!(current != 0 && frame_display) && !input_display) |
1021 | FCEU_ResetMessages(); |
1022 | else |
1023 | { |
1024 | last_frame_display = ~framecount; |
1025 | last_input_display = ~cur_input_display; |
1026 | } |
1027 | } |
1028 | |
1029 | void FCEUI_ToggleInputDisplay(void) |
1030 | { |
1031 | input_display=!input_display; |
1032 | if(!input_display && !(current != 0 && frame_display)) |
1033 | FCEU_ResetMessages(); |
1034 | else |
1035 | { |
1036 | last_frame_display = ~framecount; |
1037 | last_input_display = ~cur_input_display; |
1038 | } |
1039 | } |
1040 | |
1041 | void FCEUI_MovieToggleReadOnly(void) |
1042 | { |
1043 | if(movie_readonly < 2) |
1044 | { |
1045 | movie_readonly = !movie_readonly; |
1046 | if(movie_readonly) |
1047 | FCEU_DispMessage("Movie is now Read-Only."); |
1048 | else |
1049 | FCEU_DispMessage("Movie is now Read+Write."); |
1050 | } |
1051 | else |
1052 | { |
1053 | FCEU_DispMessage("Movie file is Read-Only."); |
1054 | } |
1055 | } |
1056 | |
1057 | char lastMovieInfoFilename [512] = {'\0',}; |
1058 | |
1059 | int FCEUI_MovieGetInfo(const char* fname, MOVIE_INFO* info) |
1060 | { |
1061 | FlushHeader(); |
1062 | |
1063 | char buffer [512]; |
1064 | fname = (const char*)convertToFCM(fname,buffer); |
1065 | strncpy(lastMovieInfoFilename, fname, 512); |
1066 | |
1067 | // main get info part of function |
1068 | { |
1069 | uint32 magic; |
1070 | uint32 version; |
1071 | uint8 _flags[4]; |
1072 | |
1073 | FILE* fp = FCEUD_UTF8fopen(fname, "rb"); |
1074 | if(!fp) |
1075 | return 0; |
1076 | |
1077 | read32le(&magic, fp); |
1078 | if(magic != MOVIE_MAGIC) |
1079 | { |
1080 | fclose(fp); |
1081 | return 0; |
1082 | } |
1083 | |
1084 | read32le(&version, fp); |
1085 | if(version != MOVIE_VERSION) |
1086 | { |
1087 | fclose(fp); |
1088 | if(version == 1) |
1089 | return FCEUI_MovieGetInfo_v1(fname, info); |
1090 | else |
1091 | return 0; |
1092 | } |
1093 | |
1094 | info->movie_version = MOVIE_VERSION; |
1095 | |
1096 | fread(_flags, 1, 4, fp); |
1097 | |
1098 | info->flags = _flags[0]; |
1099 | read32le(&info->num_frames, fp); |
1100 | read32le(&info->rerecord_count, fp); |
1101 | |
1102 | if(access(fname, W_OK)) |
1103 | info->read_only = 1; |
1104 | else |
1105 | info->read_only = 0; |
1106 | |
1107 | fseek(fp, 12, SEEK_CUR); // skip movie_data_size, offset_to_savestate, and offset_to_movie_data |
1108 | |
1109 | fread(info->md5_of_rom_used, 1, 16, fp); |
1110 | info->md5_of_rom_used_present = 1; |
1111 | |
1112 | read32le(&info->emu_version_used, fp); |
1113 | |
1114 | // I probably could have planned this better... |
1115 | { |
1116 | char str[256]; |
1117 | size_t r; |
1118 | int p; |
1119 | int p2=0; |
1120 | char last_c=32; |
1121 | |
1122 | if(info->name_of_rom_used && info->name_of_rom_used_size) |
1123 | info->name_of_rom_used[0]='\0'; |
1124 | |
1125 | r=fread(str, 1, 256, fp); |
1126 | while(r > 0) |
1127 | { |
1128 | for(p=0; p<r && last_c != '\0'; ++p) |
1129 | { |
1130 | if(info->name_of_rom_used && info->name_of_rom_used_size && (p2 < info->name_of_rom_used_size-1)) |
1131 | { |
1132 | info->name_of_rom_used[p2]=str[p]; |
1133 | p2++; |
1134 | last_c=str[p]; |
1135 | } |
1136 | } |
1137 | if(p<r) |
1138 | { |
1139 | memmove(str, str+p, r-p); |
1140 | r -= p; |
1141 | break; |
1142 | } |
1143 | r=fread(str, 1, 256, fp); |
1144 | } |
1145 | |
1146 | p2=0; |
1147 | last_c=32; |
1148 | |
1149 | if(info->metadata && info->metadata_size) |
1150 | info->metadata[0]='\0'; |
1151 | |
1152 | while(r > 0) |
1153 | { |
1154 | for(p=0; p<r && last_c != '\0'; ++p) |
1155 | { |
1156 | if(info->metadata && info->metadata_size && (p2 < info->metadata_size-1)) |
1157 | { |
1158 | info->metadata[p2]=str[p]; |
1159 | p2++; |
1160 | last_c=str[p]; |
1161 | } |
1162 | } |
1163 | if(p != r) |
1164 | break; |
1165 | r=fread(str, 1, 256, fp); |
1166 | } |
1167 | |
1168 | if(r<=0) |
1169 | { |
1170 | // somehow failed to read romname and metadata |
1171 | fclose(fp); |
1172 | return 0; |
1173 | } |
1174 | } |
1175 | |
1176 | // check what hacks are necessary |
1177 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
1178 | uint32 temp_savestate_offset; |
1179 | read32le(&temp_savestate_offset, fp); |
1180 | if(fseek(fp, temp_savestate_offset, SEEK_SET)) |
1181 | { |
1182 | fclose(fp); |
1183 | return 0; |
1184 | } |
1185 | if(!FCEUSS_LoadFP(fp,2)) return 0; // 2 -> don't really load, just load to find what's there then load backup |
1186 | |
1187 | fclose(fp); |
1188 | return 1; |
1189 | } |
1190 | } |
1191 | #endif |
1192 | /* |
1193 | Backwards compat |
1194 | */ |
1195 | |
1196 | |
1197 | /* |
1198 | struct MovieHeader_v1 |
1199 | { |
1200 | uint32 magic; |
1201 | uint32 version=1; |
1202 | uint8 flags[4]; |
1203 | uint32 length_frames; |
1204 | uint32 rerecord_count; |
1205 | uint32 movie_data_size; |
1206 | uint32 offset_to_savestate; |
1207 | uint32 offset_to_movie_data; |
1208 | uint16 metadata_ucs2[]; // ucs-2, ick! sizeof(metadata) = offset_to_savestate - MOVIE_HEADER_SIZE |
1209 | } |
1210 | */ |
1211 | |
1212 | #define MOVIE_V1_HEADER_SIZE 32 |
1213 | |
1214 | static void FCEUI_LoadMovie_v1(char *fname, int _read_only) |
1215 | { |
1216 | FILE *fp; |
1217 | char *fn = NULL; |
1218 | |
1219 | FCEUI_StopMovie(); |
1220 | |
1221 | #if 0 |
1222 | if(!fname) |
1223 | fname = fn = FCEU_MakeFName(FCEUMKF_MOVIE,CurrentMovie,0); |
1224 | #endif |
1225 | |
1226 | // check movie_readonly |
1227 | movie_readonly = _read_only; |
1228 | if(access(fname, W_OK)) |
1229 | movie_readonly = 2; |
1230 | |
1231 | #if 0 |
1232 | fp = FCEUD_UTF8fopen(fname, (movie_readonly>=2) ? "rb" : "r+b"); |
1233 | #else |
1234 | fp = fopen(fname, (movie_readonly>=2) ? "rb" : "r+b"); |
1235 | #endif |
1236 | |
1237 | if(fn) |
1238 | { |
1239 | free(fn); |
1240 | fname = NULL; |
1241 | } |
1242 | |
1243 | if(!fp) return; |
1244 | |
1245 | // read header |
1246 | { |
1247 | uint32 magic; |
1248 | uint32 version; |
1249 | uint8 flags[4]; |
1250 | uint32 fc; |
1251 | |
1252 | read32le(&magic, fp); |
1253 | if(magic != MOVIE_MAGIC) |
1254 | { |
1255 | fclose(fp); |
1256 | return; |
1257 | } |
1258 | |
1259 | read32le(&version, fp); |
1260 | if(version != 1) |
1261 | { |
1262 | fclose(fp); |
1263 | return; |
1264 | } |
1265 | |
1266 | fread(flags, 1, 4, fp); |
1267 | read32le(&fc, fp); |
1268 | read32le(&rerecord_count, fp); |
1269 | read32le(&moviedatasize, fp); |
1270 | read32le(&savestate_offset, fp); |
1271 | read32le(&firstframeoffset, fp); |
1272 | if(fseek(fp, savestate_offset, SEEK_SET)) |
1273 | { |
1274 | fclose(fp); |
1275 | return; |
1276 | } |
1277 | |
1278 | if(flags[0] & MOVIE_FLAG_NOSYNCHACK) |
1279 | movieSyncHackOn=0; |
1280 | else |
1281 | movieSyncHackOn=1; |
1282 | } |
1283 | |
1284 | // fully reload the game to reinitialize everything before playing any movie |
1285 | // to try fixing nondeterministic playback of some games |
1286 | { |
1287 | extern char lastLoadedGameName [2048]; |
1288 | #if 0 // TODO? |
1289 | extern int disableBatteryLoading, suppressAddPowerCommand; |
1290 | suppressAddPowerCommand=1; |
1291 | suppressMovieStop=1; |
1292 | #endif |
1293 | { |
1294 | FCEUGI * gi = FCEUI_LoadGame(lastLoadedGameName); |
1295 | if(!gi) |
1296 | PowerNES(); |
1297 | } |
1298 | #if 0 // TODO? |
1299 | suppressMovieStop=0; |
1300 | suppressAddPowerCommand=0; |
1301 | #endif |
1302 | } |
1303 | |
1304 | if(!FCEUSS_LoadFP(fp,1)) return; |
1305 | |
1306 | ResetInputTypes(); |
1307 | |
1308 | fseek(fp, firstframeoffset, SEEK_SET); |
1309 | moviedata = (uint8*)realloc(moviedata, moviedatasize); |
1310 | fread(moviedata, 1, moviedatasize, fp); |
1311 | |
1312 | framecount = 0; // movies start at frame 0! |
1313 | frameptr = 0; |
1314 | current = CurrentMovie; |
1315 | slots[current] = fp; |
1316 | |
1317 | memset(joop,0,sizeof(joop)); |
1318 | current = -1 - current; |
1319 | framets=0; |
1320 | nextts=0; |
1321 | nextd = -1; |
1322 | MovieStatus[CurrentMovie] = 1; |
1323 | #if 0 |
1324 | if(!fname) |
1325 | FCEUI_SelectMovie(CurrentMovie,1); /* Quick hack to display status. */ |
1326 | else |
1327 | #endif |
1328 | FCEU_DispMessage("Movie playback started."); |
1329 | } |
1330 | |
1331 | #if 0 |
1332 | static int FCEUI_MovieGetInfo_v1(const char* fname, MOVIE_INFO* info) |
1333 | { |
1334 | uint32 magic; |
1335 | uint32 version; |
1336 | uint8 _flags[4]; |
1337 | uint32 savestateoffset; |
1338 | uint8 tmp[MOVIE_MAX_METADATA<<1]; |
1339 | int metadata_length; |
1340 | |
1341 | FILE* fp = FCEUD_UTF8fopen(fname, "rb"); |
1342 | if(!fp) |
1343 | return 0; |
1344 | |
1345 | read32le(&magic, fp); |
1346 | if(magic != MOVIE_MAGIC) |
1347 | { |
1348 | fclose(fp); |
1349 | return 0; |
1350 | } |
1351 | |
1352 | read32le(&version, fp); |
1353 | if(version != 1) |
1354 | { |
1355 | fclose(fp); |
1356 | return 0; |
1357 | } |
1358 | |
1359 | info->movie_version = 1; |
1360 | info->emu_version_used = 0; // unknown |
1361 | |
1362 | fread(_flags, 1, 4, fp); |
1363 | |
1364 | info->flags = _flags[0]; |
1365 | read32le(&info->num_frames, fp); |
1366 | read32le(&info->rerecord_count, fp); |
1367 | |
1368 | if(access(fname, W_OK)) |
1369 | info->read_only = 1; |
1370 | else |
1371 | info->read_only = 0; |
1372 | |
1373 | fseek(fp, 4, SEEK_CUR); |
1374 | read32le(&savestateoffset, fp); |
1375 | |
1376 | metadata_length = (int)savestateoffset - MOVIE_V1_HEADER_SIZE; |
1377 | if(metadata_length > 0) |
1378 | { |
1379 | int i; |
1380 | |
1381 | metadata_length >>= 1; |
1382 | if(metadata_length >= MOVIE_MAX_METADATA) |
1383 | metadata_length = MOVIE_MAX_METADATA-1; |
1384 | |
1385 | fseek(fp, MOVIE_V1_HEADER_SIZE, SEEK_SET); |
1386 | fread(tmp, 1, metadata_length<<1, fp); |
1387 | } |
1388 | |
1389 | // turn old ucs2 metadata into utf8 |
1390 | if(info->metadata && info->metadata_size) |
1391 | { |
1392 | char* ptr=info->metadata; |
1393 | char* ptr_end=info->metadata+info->metadata_size-1; |
1394 | int c_ptr=0; |
1395 | while(ptr<ptr_end && c_ptr<metadata_length) |
1396 | { |
1397 | uint16 c=(tmp[c_ptr<<1] | (tmp[(c_ptr<<1)+1] << 8)); |
1398 | switch(c) |
1399 | { |
1400 | case 0 ... 0x7f: |
1401 | *ptr++ = (char)(c&0x7f); |
1402 | break; |
1403 | case 0x80 ... 0x7ff: |
1404 | if(ptr+1>=ptr_end) |
1405 | ptr_end=ptr; |
1406 | else |
1407 | { |
1408 | *ptr++=(0xc0 | (c>>6)); |
1409 | *ptr++=(0x80 | (c & 0x3f)); |
1410 | } |
1411 | break; |
1412 | case 0x800 ... 0xffff: |
1413 | if(ptr+2>=ptr_end) |
1414 | ptr_end=ptr; |
1415 | else |
1416 | { |
1417 | *ptr++=(0xe0 | (c>>12)); |
1418 | *ptr++=(0x80 | ((c>>6) & 0x3f)); |
1419 | *ptr++=(0x80 | (c & 0x3f)); |
1420 | } |
1421 | break; |
1422 | } |
1423 | c_ptr++; |
1424 | } |
1425 | *ptr='\0'; |
1426 | } |
1427 | |
1428 | // md5 info not available from v1 |
1429 | info->md5_of_rom_used_present = 0; |
1430 | // rom name used for the movie not available from v1 |
1431 | if(info->name_of_rom_used && info->name_of_rom_used_size) |
1432 | info->name_of_rom_used[0] = '\0'; |
1433 | |
1434 | // check what hacks are necessary |
1435 | fseek(fp, 24, SEEK_SET); // offset_to_savestate offset |
1436 | uint32 temp_savestate_offset; |
1437 | read32le(&temp_savestate_offset, fp); |
1438 | if(fseek(fp, temp_savestate_offset, SEEK_SET)) |
1439 | { |
1440 | fclose(fp); |
1441 | return 0; |
1442 | } |
1443 | if(!FCEUSS_LoadFP(fp,2)) return 0; // 2 -> don't really load, just load to find what's there then load backup |
1444 | |
1445 | |
1446 | fclose(fp); |
1447 | return 1; |
1448 | } |
1449 | #endif |
1450 | |