… | |
… | |
24 | #if WEBP |
24 | #if WEBP |
25 | #include <webp/demux.h> |
25 | #include <webp/demux.h> |
26 | #include <webp/decode.h> |
26 | #include <webp/decode.h> |
27 | #endif |
27 | #endif |
28 | |
28 | |
|
|
29 | #if JXL |
|
|
30 | #include <jxl/decode.h> |
|
|
31 | #include "jxl/thread_parallel_runner.h" |
|
|
32 | #endif |
|
|
33 | |
29 | #include "perlmulticore.h" |
34 | #include "perlmulticore.h" |
30 | |
35 | |
31 | #define IW 80 /* MUST match Schnauzer.pm! */ |
36 | #define IW 80 /* MUST match Schnauzer.pm! */ |
32 | #define IH 60 /* MUST match Schnauzer.pm! */ |
37 | #define IH 60 /* MUST match Schnauzer.pm! */ |
33 | |
|
|
34 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
|
|
35 | |
38 | |
36 | #define LINELENGTH 240 |
39 | #define LINELENGTH 240 |
37 | |
40 | |
38 | #define ELLIPSIS "\xe2\x80\xa6" |
41 | #define ELLIPSIS "\xe2\x80\xa6" |
39 | |
42 | |
… | |
… | |
213 | { |
216 | { |
214 | } |
217 | } |
215 | |
218 | |
216 | static boolean cv_ms_fill (j_decompress_ptr cinfo) |
219 | static boolean cv_ms_fill (j_decompress_ptr cinfo) |
217 | { |
220 | { |
218 | ERREXIT (cinfo, JERR_INPUT_EMPTY); |
221 | // unexpected EOF, warn and generate fake EOI marker |
|
|
222 | |
|
|
223 | WARNMS (cinfo, JWRN_JPEG_EOF); |
|
|
224 | |
|
|
225 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
|
|
226 | |
|
|
227 | static const JOCTET eoi[] = { 0xFF, JPEG_EOI }; |
|
|
228 | |
|
|
229 | src->next_input_byte = eoi; |
|
|
230 | src->bytes_in_buffer = sizeof (eoi); |
219 | |
231 | |
220 | return TRUE; |
232 | return TRUE; |
221 | } |
233 | } |
222 | |
234 | |
223 | static void cv_ms_skip (j_decompress_ptr cinfo, long num_bytes) |
235 | static void cv_ms_skip (j_decompress_ptr cinfo, long num_bytes) |
224 | { |
236 | { |
225 | if (num_bytes > 0) |
|
|
226 | { |
|
|
227 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
237 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
228 | |
238 | |
229 | src->next_input_byte += num_bytes; |
239 | src->next_input_byte += num_bytes; |
230 | src->bytes_in_buffer -= num_bytes; |
240 | src->bytes_in_buffer -= num_bytes; |
231 | } |
|
|
232 | } |
241 | } |
233 | |
242 | |
234 | static void cv_jpeg_mem_src (j_decompress_ptr cinfo, void *buf, size_t buflen) |
243 | static void cv_jpeg_mem_src (j_decompress_ptr cinfo, void *buf, size_t buflen) |
235 | { |
244 | { |
236 | struct jpeg_source_mgr *src; |
245 | struct jpeg_source_mgr *src; |
… | |
… | |
251 | src->bytes_in_buffer = buflen; |
260 | src->bytes_in_buffer = buflen; |
252 | } |
261 | } |
253 | |
262 | |
254 | ///////////////////////////////////////////////////////////////////////////// |
263 | ///////////////////////////////////////////////////////////////////////////// |
255 | |
264 | |
|
|
265 | /* great, the jpeg-xl reference implementaton requires us to parse bmff files */ |
|
|
266 | |
|
|
267 | struct bmff_box |
|
|
268 | { |
|
|
269 | char type[4]; |
|
|
270 | const uint8_t *ptr; |
|
|
271 | size_t size; |
|
|
272 | }; |
|
|
273 | |
|
|
274 | static int |
|
|
275 | bmff_parse_box (struct bmff_box *box, const uint8_t **next_in, size_t *avail_in) |
|
|
276 | { |
|
|
277 | if (*avail_in < 8) |
|
|
278 | return 0; |
|
|
279 | |
|
|
280 | box->size = ((*next_in)[0] << 24) |
|
|
281 | | ((*next_in)[1] << 16) |
|
|
282 | | ((*next_in)[2] << 8) |
|
|
283 | | ((*next_in)[3] ); |
|
|
284 | |
|
|
285 | if (box->size < 8) |
|
|
286 | return 0; |
|
|
287 | |
|
|
288 | if (*avail_in < box->size) |
|
|
289 | return 0; |
|
|
290 | |
|
|
291 | memcpy (box->type, *next_in + 4, 4); |
|
|
292 | box->ptr = *next_in + 8; |
|
|
293 | |
|
|
294 | *next_in += box->size; |
|
|
295 | *avail_in -= box->size; |
|
|
296 | |
|
|
297 | box->size -= 8; |
|
|
298 | |
|
|
299 | return 1; |
|
|
300 | } |
|
|
301 | |
|
|
302 | ///////////////////////////////////////////////////////////////////////////// |
|
|
303 | |
256 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
257 | |
305 | |
258 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
|
|
307 | |
|
|
308 | void |
|
|
309 | _exit (int code) |
259 | |
310 | |
260 | # calculate the common prefix length of two strings |
311 | # calculate the common prefix length of two strings |
261 | # missing function in perl. really :) |
312 | # missing function in perl. really :) |
262 | int |
313 | int |
263 | common_prefix_length (a, b) |
314 | common_prefix_length (a, b) |
… | |
… | |
369 | filetype (SV *image_data) |
420 | filetype (SV *image_data) |
370 | CODE: |
421 | CODE: |
371 | { |
422 | { |
372 | STRLEN data_len; |
423 | STRLEN data_len; |
373 | U8 *data = SvPVbyte (image_data, data_len); |
424 | U8 *data = SvPVbyte (image_data, data_len); |
|
|
425 | static const unsigned char jxl_header[] = { |
|
|
426 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, 0x0d, 0xa, 0x87, 0x0a |
|
|
427 | }; |
374 | |
428 | |
375 | if (data_len >= 20 |
429 | if (data_len >= 20 |
376 | && data[0] == 0xff |
430 | && data[0] == 0xff |
377 | && data[1] == 0xd8 |
431 | && data[1] == 0xd8 |
378 | && data[2] == 0xff) |
432 | && data[2] == 0xff) |
379 | RETVAL = "jpg"; |
433 | RETVAL = "image/jpeg"; |
380 | else if (data_len >= 12 |
434 | else if (data_len >= 12 |
381 | && data[ 0] == (U8)'R' |
435 | && data[ 0] == (U8)'R' |
382 | && data[ 1] == (U8)'I' |
436 | && data[ 1] == (U8)'I' |
383 | && data[ 2] == (U8)'F' |
437 | && data[ 2] == (U8)'F' |
384 | && data[ 3] == (U8)'F' |
438 | && data[ 3] == (U8)'F' |
385 | && data[ 8] == (U8)'W' |
439 | && data[ 8] == (U8)'W' |
386 | && data[ 9] == (U8)'E' |
440 | && data[ 9] == (U8)'E' |
387 | && data[10] == (U8)'B' |
441 | && data[10] == (U8)'B' |
388 | && data[11] == (U8)'P') |
442 | && data[11] == (U8)'P') |
389 | RETVAL = "webp"; |
443 | RETVAL = "image/webp"; |
390 | else if (data_len >= 16 |
444 | else if (data_len >= 16 |
391 | && data[ 0] == 0x89 |
445 | && data[ 0] == 0x89 |
392 | && data[ 1] == (U8)'P' |
446 | && data[ 1] == (U8)'P' |
393 | && data[ 2] == (U8)'N' |
447 | && data[ 2] == (U8)'N' |
394 | && data[ 3] == (U8)'G' |
448 | && data[ 3] == (U8)'G' |
395 | && data[ 4] == 0x0d |
449 | && data[ 4] == 0x0d |
396 | && data[ 5] == 0x0a |
450 | && data[ 5] == 0x0a |
397 | && data[ 6] == 0x1a |
451 | && data[ 6] == 0x1a |
398 | && data[ 7] == 0x0a) |
452 | && data[ 7] == 0x0a) |
399 | RETVAL = "png"; |
453 | RETVAL = "image/png"; |
|
|
454 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
|
|
455 | RETVAL = "image/jxl"; // todo: might want to use JxlSignatureCheck |
|
|
456 | else if (data_len >= 2 |
|
|
457 | && data[0] == 0xff |
|
|
458 | && data[1] == 0x0a) |
|
|
459 | RETVAL = "image/jxl"; |
|
|
460 | else if (data_len >= 13 |
|
|
461 | && data[0] == 'G' |
|
|
462 | && data[1] == 'I' |
|
|
463 | && data[2] == 'F' |
|
|
464 | && data[3] == '8' |
|
|
465 | //&& (data[4] == '7' || data[4] == '9') |
|
|
466 | && data[5] == 'a') |
|
|
467 | { |
|
|
468 | RETVAL = "image/gif"; |
|
|
469 | |
|
|
470 | // now see if its animated - we require the netscape application header for this |
|
|
471 | int ofs = 13; |
|
|
472 | |
|
|
473 | if (data[10] & 0x80) |
|
|
474 | ofs += (1 << ((data[10] & 7) + 1)) * 3; |
|
|
475 | |
|
|
476 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
477 | { |
|
|
478 | |
|
|
479 | // skip a graphic control extension block. we assume |
|
|
480 | // there is at most one such block - while the NAB |
|
|
481 | // has to come firstz, some files do not obey this |
|
|
482 | if (data[ofs] == 0x21 && data[ofs + 1] == 0xf9) |
|
|
483 | ofs += 3 + data[ofs + 2] + 1; |
|
|
484 | |
|
|
485 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
486 | if (!memcmp (data + ofs, "\x21\xff\x0bNETSCAPE2.0", sizeof ("\x21\xff\x0bNETSCAPE2.0") - 1)) |
|
|
487 | RETVAL = "video/gif"; |
|
|
488 | } |
|
|
489 | } |
|
|
490 | else if (data_len >= 0x8000 + 6 |
|
|
491 | && data[0x8000+0] == 0 |
|
|
492 | && data[0x8000+1] == (U8)'B' |
|
|
493 | && data[0x8000+2] == (U8)'E' |
|
|
494 | && data[0x8000+3] == (U8)'A' |
|
|
495 | && data[0x8000+4] == (U8)'0' |
|
|
496 | && data[0x8000+5] == (U8)'1') |
|
|
497 | RETVAL = "video/iso-bluray"; |
|
|
498 | |
400 | else |
499 | else |
401 | RETVAL = "other"; |
500 | XSRETURN_UNDEF; |
402 | } |
501 | } |
403 | OUTPUT: |
502 | OUTPUT: |
404 | RETVAL |
503 | RETVAL |
405 | |
504 | |
406 | GdkPixbuf_noinc * |
505 | GdkPixbuf_noinc * |
… | |
… | |
491 | } |
590 | } |
492 | OUTPUT: |
591 | OUTPUT: |
493 | RETVAL |
592 | RETVAL |
494 | |
593 | |
495 | GdkPixbuf_noinc * |
594 | GdkPixbuf_noinc * |
|
|
595 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
596 | CODE: |
|
|
597 | { |
|
|
598 | #if JXL |
|
|
599 | JxlDecoder *dec; |
|
|
600 | JxlBasicInfo info; |
|
|
601 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
|
|
602 | size_t avail_in = SvCUR (image_data); |
|
|
603 | const char *error = 0; |
|
|
604 | JxlDecoderStatus status; |
|
|
605 | static void *runner_cache; |
|
|
606 | void *runner = 0; |
|
|
607 | |
|
|
608 | RETVAL = 0; |
|
|
609 | |
|
|
610 | if (runner_cache) |
|
|
611 | runner = runner_cache; |
|
|
612 | else |
|
|
613 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
|
|
614 | |
|
|
615 | runner_cache = 0; |
|
|
616 | |
|
|
617 | perlinterp_release (); |
|
|
618 | |
|
|
619 | dec = JxlDecoderCreate (0); |
|
|
620 | |
|
|
621 | error = "JxlDecoderCreate failed"; |
|
|
622 | if (!dec) |
|
|
623 | goto done; |
|
|
624 | |
|
|
625 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
|
|
626 | error = "JxlDecoderSetParallelRunner failed"; |
|
|
627 | if (status != JXL_DEC_SUCCESS) |
|
|
628 | goto done; |
|
|
629 | |
|
|
630 | error = "JxlDecoderSubscribeEvents failed"; |
|
|
631 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
|
|
632 | if (status != JXL_DEC_SUCCESS) |
|
|
633 | goto done; |
|
|
634 | |
|
|
635 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
|
|
636 | error = "JxlDecoderSetInput failed"; |
|
|
637 | if (status != JXL_DEC_SUCCESS) |
|
|
638 | goto done; |
|
|
639 | |
|
|
640 | for (;;) |
|
|
641 | { |
|
|
642 | status = JxlDecoderProcessInput (dec); |
|
|
643 | |
|
|
644 | switch (status) |
|
|
645 | { |
|
|
646 | case JXL_DEC_FULL_IMAGE: |
|
|
647 | error = 0; |
|
|
648 | goto done; |
|
|
649 | |
|
|
650 | case JXL_DEC_ERROR: |
|
|
651 | error = "JxlDecoderProcessInput failed"; |
|
|
652 | goto done; |
|
|
653 | |
|
|
654 | case JXL_DEC_NEED_MORE_INPUT: |
|
|
655 | error = "incomplete file"; |
|
|
656 | goto done; |
|
|
657 | |
|
|
658 | case JXL_DEC_SUCCESS: |
|
|
659 | error = "incomplete decode"; |
|
|
660 | goto done; |
|
|
661 | |
|
|
662 | case JXL_DEC_BASIC_INFO: |
|
|
663 | { |
|
|
664 | status = JxlDecoderGetBasicInfo (dec, &info); |
|
|
665 | error = "JxlDecoderGetBasicInfo failed"; |
|
|
666 | if (status != JXL_DEC_SUCCESS) |
|
|
667 | goto done; |
|
|
668 | |
|
|
669 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
|
|
670 | error = "unable to allocate pixbuf"; |
|
|
671 | if (!RETVAL) |
|
|
672 | goto done; |
|
|
673 | |
|
|
674 | JxlPixelFormat format = { |
|
|
675 | info.alpha_bits ? 4 : 3, |
|
|
676 | JXL_TYPE_UINT8, |
|
|
677 | JXL_NATIVE_ENDIAN, |
|
|
678 | gdk_pixbuf_get_rowstride (RETVAL) |
|
|
679 | }; |
|
|
680 | |
|
|
681 | // cannot use gdk_pixbuf_get_byte_length because that does |
|
|
682 | // not return the size of the buffer, but the size of the buffer without |
|
|
683 | // the last padding bytes. the internal buffer is rowstride * ysize, |
|
|
684 | // and this is what the jxl decoder needs. none of this is documented |
|
|
685 | // in either library, of course. |
|
|
686 | |
|
|
687 | status = JxlDecoderSetImageOutBuffer ( |
|
|
688 | dec, |
|
|
689 | &format, |
|
|
690 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
691 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
|
|
692 | ); |
|
|
693 | error = "JxlDecoderSetImageOutBuffer failed"; |
|
|
694 | if (status != JXL_DEC_SUCCESS) |
|
|
695 | goto done; |
|
|
696 | } |
|
|
697 | break; |
|
|
698 | |
|
|
699 | default: |
|
|
700 | error = "unexpected event"; |
|
|
701 | goto done; |
|
|
702 | } |
|
|
703 | } |
|
|
704 | |
|
|
705 | done: |
|
|
706 | if (dec) |
|
|
707 | JxlDecoderDestroy (dec); |
|
|
708 | |
|
|
709 | perlinterp_acquire (); |
|
|
710 | |
|
|
711 | if (runner_cache) |
|
|
712 | JxlThreadParallelRunnerDestroy (runner); |
|
|
713 | |
|
|
714 | runner_cache = runner; |
|
|
715 | |
|
|
716 | if (error) |
|
|
717 | { |
|
|
718 | if (RETVAL) |
|
|
719 | g_object_unref (RETVAL); |
|
|
720 | |
|
|
721 | croak ("load_jxl: %s (status %d)", error, status); |
|
|
722 | } |
|
|
723 | #else |
|
|
724 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
|
|
725 | #endif |
|
|
726 | } |
|
|
727 | OUTPUT: |
|
|
728 | RETVAL |
|
|
729 | |
|
|
730 | GdkPixbuf_noinc * |
496 | decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
731 | decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
497 | CODE: |
732 | CODE: |
498 | { |
733 | { |
499 | struct jpeg_decompress_struct cinfo; |
734 | struct jpeg_decompress_struct cinfo; |
500 | struct jpg_err_mgr jerr; |
735 | struct jpg_err_mgr jerr; |
… | |
… | |
520 | g_object_unref ((gpointer)pb); |
755 | g_object_unref ((gpointer)pb); |
521 | |
756 | |
522 | perlinterp_acquire (); |
757 | perlinterp_acquire (); |
523 | XSRETURN_UNDEF; |
758 | XSRETURN_UNDEF; |
524 | } |
759 | } |
|
|
760 | |
|
|
761 | if (!data_len) |
|
|
762 | longjmp (jerr.setjmp_buffer, 4); |
525 | |
763 | |
526 | jpeg_create_decompress (&cinfo); |
764 | jpeg_create_decompress (&cinfo); |
527 | cv_jpeg_mem_src (&cinfo, data, data_len); |
765 | cv_jpeg_mem_src (&cinfo, data, data_len); |
528 | |
766 | |
529 | jpeg_read_header (&cinfo, TRUE); |
767 | jpeg_read_header (&cinfo, TRUE); |
… | |
… | |
680 | CODE: |
918 | CODE: |
681 | { |
919 | { |
682 | STRLEN plen; |
920 | STRLEN plen; |
683 | U8 *path = (U8 *)SvPV (pathsv, plen); |
921 | U8 *path = (U8 *)SvPV (pathsv, plen); |
684 | U8 *pend = path + plen; |
922 | U8 *pend = path + plen; |
685 | U8 dst [plen * 6 * 3], *dstp = dst; |
923 | U8 dst [plen * 8 * 3], *dstp = dst; |
686 | |
924 | |
687 | while (path < pend) |
925 | while (path < pend) |
688 | { |
926 | { |
689 | U8 ch = *path; |
927 | U8 ch = *path; |
690 | |
928 | |
… | |
… | |
692 | *dstp++ = *path++; |
930 | *dstp++ = *path++; |
693 | else if (ch >= 'A' && ch <= 'Z') |
931 | else if (ch >= 'A' && ch <= 'Z') |
694 | *dstp++ = *path++ + ('a' - 'A'); |
932 | *dstp++ = *path++ + ('a' - 'A'); |
695 | else if (ch >= '0' && ch <= '9') |
933 | else if (ch >= '0' && ch <= '9') |
696 | { |
934 | { |
|
|
935 | /* version sort, up to 8 digits */ |
697 | STRLEN el, nl = 0; |
936 | STRLEN el, nl = 0; |
698 | while (*path >= '0' && *path <= '9' && path < pend) |
937 | while (*path >= '0' && *path <= '9' && path < pend) |
699 | path++, nl++; |
938 | path++, nl++; |
700 | |
939 | |
701 | for (el = nl; el < 6; el++) |
940 | for (el = nl; el < 8; el++) |
702 | *dstp++ = '0'; |
941 | *dstp++ = '0'; |
703 | |
942 | |
704 | memcpy (dstp, path - nl, nl); |
943 | memcpy (dstp, path - nl, nl); |
705 | dstp += nl; |
944 | dstp += nl; |
706 | } |
945 | } |