… | |
… | |
418 | CODE: |
418 | CODE: |
419 | { |
419 | { |
420 | STRLEN data_len; |
420 | STRLEN data_len; |
421 | U8 *data = SvPVbyte (image_data, data_len); |
421 | U8 *data = SvPVbyte (image_data, data_len); |
422 | static const unsigned char jxl_header[] = { |
422 | static const unsigned char jxl_header[] = { |
423 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, |
423 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, 0x0d, 0xa, 0x87, 0x0a |
424 | 0x0d, 0xa, 0x87, 0x0a, 0, 0, 0, 0x14, |
|
|
425 | 0x66, 0x74, 0x79, 0x70, 0x6a, 0x78, 0x6c, 0x20, |
|
|
426 | 0, 0, 0, 0, 0x6a, 0x78, 0x6c, 0x20, |
|
|
427 | }; |
424 | }; |
428 | |
425 | |
429 | if (data_len >= 20 |
426 | if (data_len >= 20 |
430 | && data[0] == 0xff |
427 | && data[0] == 0xff |
431 | && data[1] == 0xd8 |
428 | && data[1] == 0xd8 |
… | |
… | |
450 | && data[ 5] == 0x0a |
447 | && data[ 5] == 0x0a |
451 | && data[ 6] == 0x1a |
448 | && data[ 6] == 0x1a |
452 | && data[ 7] == 0x0a) |
449 | && data[ 7] == 0x0a) |
453 | RETVAL = "image/png"; |
450 | RETVAL = "image/png"; |
454 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
451 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
|
|
452 | RETVAL = "image/jxl"; // todo: might want to use JxlSignatureCheck |
|
|
453 | else if (data_len >= 2 |
|
|
454 | && data[0] == 0xff |
|
|
455 | && data[1] == 0x0a) |
455 | RETVAL = "image/jxl"; |
456 | RETVAL = "image/jxl"; |
|
|
457 | else if (data_len >= 13 |
|
|
458 | && data[0] == 'G' |
|
|
459 | && data[1] == 'I' |
|
|
460 | && data[2] == 'F' |
|
|
461 | && data[3] == '8' |
|
|
462 | //&& (data[4] == '7' || data[4] == '9') |
|
|
463 | && data[5] == 'a') |
|
|
464 | { |
|
|
465 | RETVAL = "image/gif"; |
|
|
466 | |
|
|
467 | // now see if its animated - we require the netscape application header for this |
|
|
468 | int ofs = 13; |
|
|
469 | |
|
|
470 | if (data[10] & 0x80) |
|
|
471 | ofs += (1 << ((data[10] & 7) + 1)) * 3; |
|
|
472 | |
|
|
473 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
474 | { |
|
|
475 | |
|
|
476 | // skip a graphic control extension block. we assume |
|
|
477 | // there is at most one such block - while the NAB |
|
|
478 | // has to come firstz, some files do not obey this |
|
|
479 | if (data[ofs] == 0x21 && data[ofs + 1] == 0xf9) |
|
|
480 | ofs += 3 + data[ofs + 2] + 1; |
|
|
481 | |
|
|
482 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
483 | if (!memcmp (data + ofs, "\x21\xff\x0bNETSCAPE2.0", sizeof ("\x21\xff\x0bNETSCAPE2.0") - 1)) |
|
|
484 | RETVAL = "video/gif"; |
|
|
485 | } |
|
|
486 | } |
|
|
487 | |
456 | else |
488 | else |
457 | XSRETURN_UNDEF; |
489 | XSRETURN_UNDEF; |
458 | } |
490 | } |
459 | OUTPUT: |
491 | OUTPUT: |
460 | RETVAL |
492 | RETVAL |
… | |
… | |
551 | GdkPixbuf_noinc * |
583 | GdkPixbuf_noinc * |
552 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
584 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
553 | CODE: |
585 | CODE: |
554 | { |
586 | { |
555 | #if JXL |
587 | #if JXL |
556 | JxlDecoder *dec = JxlDecoderCreate (0); |
588 | JxlDecoder *dec; |
557 | JxlBasicInfo info; |
589 | JxlBasicInfo info; |
558 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
590 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
559 | size_t avail_in = SvCUR (image_data); |
591 | size_t avail_in = SvCUR (image_data); |
560 | const char *error = 0; |
592 | const char *error = 0; |
|
|
593 | JxlDecoderStatus status; |
561 | void *runner = 0; |
594 | void *runner = 0; |
562 | struct bmff_box box; |
595 | struct bmff_box box; |
563 | |
596 | |
|
|
597 | RETVAL = 0; |
|
|
598 | |
564 | perlinterp_release (); |
599 | perlinterp_release (); |
565 | |
600 | |
566 | RETVAL = 0; |
601 | dec = JxlDecoderCreate (0); |
567 | |
602 | |
568 | error = "JxlDecoderCreate failed"; |
603 | error = "JxlDecoderCreate failed"; |
569 | if (!dec) |
604 | if (!dec) |
570 | goto done; |
605 | goto done; |
571 | |
606 | |
572 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
607 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
573 | |
608 | |
|
|
609 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
574 | error = "JxlDecoderSetParallelRunner failed"; |
610 | error = "JxlDecoderSetParallelRunner failed"; |
575 | if (JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner) != JXL_DEC_SUCCESS) |
611 | if (status != JXL_DEC_SUCCESS) |
576 | goto done; |
612 | goto done; |
577 | |
613 | |
578 | error = "JxlDecoderSubscribeEvents failed"; |
614 | error = "JxlDecoderSubscribeEvents failed"; |
579 | if (JxlDecoderSubscribeEvents (dec, JXL_DEC_FULL_IMAGE | JXL_DEC_BASIC_INFO) != JXL_DEC_SUCCESS) |
615 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
|
|
616 | if (status != JXL_DEC_SUCCESS) |
580 | goto done; |
617 | goto done; |
581 | |
618 | |
|
|
619 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
582 | error = "JxlDecoderSetInput failed"; |
620 | error = "JxlDecoderSetInput failed"; |
583 | if (JxlDecoderSetInput (dec, next_in, avail_in) != JXL_DEC_SUCCESS) |
621 | if (status != JXL_DEC_SUCCESS) |
584 | goto done; |
622 | goto done; |
585 | |
623 | |
586 | for (;;) |
624 | for (;;) |
587 | { |
625 | { |
588 | JxlDecoderStatus status = JxlDecoderProcessInput (dec); |
626 | status = JxlDecoderProcessInput (dec); |
589 | |
627 | |
590 | printf ("status %d\n",status); |
|
|
591 | |
|
|
592 | switch (status) |
628 | switch (status) |
593 | { |
629 | { |
|
|
630 | case JXL_DEC_FULL_IMAGE: |
|
|
631 | error = 0; |
|
|
632 | goto done; |
|
|
633 | |
594 | case JXL_DEC_ERROR: |
634 | case JXL_DEC_ERROR: |
595 | error = "JxlDecoderProcessInput failed"; |
635 | error = "JxlDecoderProcessInput failed"; |
596 | goto done; |
636 | goto done; |
597 | |
637 | |
598 | case JXL_DEC_NEED_MORE_INPUT: |
638 | case JXL_DEC_NEED_MORE_INPUT: |
599 | error = "incomplete file"; |
639 | error = "incomplete file"; |
600 | goto done; |
640 | goto done; |
601 | |
641 | |
602 | case JXL_DEC_SUCCESS: |
642 | case JXL_DEC_SUCCESS: |
|
|
643 | error = "incomplete decode"; |
603 | goto done; |
644 | goto done; |
604 | |
645 | |
605 | case JXL_DEC_NEED_IMAGE_OUT_BUFFER: |
646 | case JXL_DEC_BASIC_INFO: |
606 | { |
647 | { |
|
|
648 | status = JxlDecoderGetBasicInfo (dec, &info); |
607 | error = "JxlDecoderGetBasicInfo failed"; |
649 | error = "JxlDecoderGetBasicInfo failed"; |
608 | if (JxlDecoderGetBasicInfo (dec, &info) != JXL_DEC_SUCCESS) |
650 | if (status != JXL_DEC_SUCCESS) |
609 | goto done; |
651 | goto done; |
610 | |
652 | |
611 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
653 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
612 | error = "unable to allocate pixbuf"; |
654 | error = "unable to allocate pixbuf"; |
613 | if (!RETVAL) |
655 | if (!RETVAL) |
… | |
… | |
618 | JXL_TYPE_UINT8, |
660 | JXL_TYPE_UINT8, |
619 | JXL_NATIVE_ENDIAN, |
661 | JXL_NATIVE_ENDIAN, |
620 | gdk_pixbuf_get_rowstride (RETVAL) |
662 | gdk_pixbuf_get_rowstride (RETVAL) |
621 | }; |
663 | }; |
622 | |
664 | |
|
|
665 | // cannot use gdk_pixbuf_get_byte_length because that does |
|
|
666 | // not return the size of the buffer, but the size of the buffer without |
|
|
667 | // the last padding bytes. the internal buffer is rowstride * ysize, |
|
|
668 | // and this is what the jxl decoder needs. none of this is documented |
|
|
669 | // in either library, of course. |
|
|
670 | |
|
|
671 | status = JxlDecoderSetImageOutBuffer ( |
|
|
672 | dec, |
|
|
673 | &format, |
|
|
674 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
675 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
|
|
676 | ); |
623 | error = "JxlDecoderSetImageOutBuffer failed"; |
677 | error = "JxlDecoderSetImageOutBuffer failed"; |
624 | if (JxlDecoderSetImageOutBuffer ( |
|
|
625 | dec, |
|
|
626 | &format, |
|
|
627 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
628 | gdk_pixbuf_get_byte_length (RETVAL) |
|
|
629 | ) != JXL_DEC_SUCCESS) |
678 | if (status != JXL_DEC_SUCCESS) |
630 | goto done; |
679 | goto done; |
631 | } |
680 | } |
632 | break; |
681 | break; |
633 | |
682 | |
634 | default: |
683 | default: |
… | |
… | |
649 | if (error) |
698 | if (error) |
650 | { |
699 | { |
651 | if (RETVAL) |
700 | if (RETVAL) |
652 | g_object_unref (RETVAL); |
701 | g_object_unref (RETVAL); |
653 | |
702 | |
654 | croak ("load_jxl: %s", error); |
703 | croak ("load_jxl: %s (status %d)", error, status); |
655 | } |
704 | } |
656 | #else |
705 | #else |
657 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
706 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
658 | #endif |
707 | #endif |
659 | } |
708 | } |
… | |
… | |
851 | CODE: |
900 | CODE: |
852 | { |
901 | { |
853 | STRLEN plen; |
902 | STRLEN plen; |
854 | U8 *path = (U8 *)SvPV (pathsv, plen); |
903 | U8 *path = (U8 *)SvPV (pathsv, plen); |
855 | U8 *pend = path + plen; |
904 | U8 *pend = path + plen; |
856 | U8 dst [plen * 6 * 3], *dstp = dst; |
905 | U8 dst [plen * 8 * 3], *dstp = dst; |
857 | |
906 | |
858 | while (path < pend) |
907 | while (path < pend) |
859 | { |
908 | { |
860 | U8 ch = *path; |
909 | U8 ch = *path; |
861 | |
910 | |
… | |
… | |
863 | *dstp++ = *path++; |
912 | *dstp++ = *path++; |
864 | else if (ch >= 'A' && ch <= 'Z') |
913 | else if (ch >= 'A' && ch <= 'Z') |
865 | *dstp++ = *path++ + ('a' - 'A'); |
914 | *dstp++ = *path++ + ('a' - 'A'); |
866 | else if (ch >= '0' && ch <= '9') |
915 | else if (ch >= '0' && ch <= '9') |
867 | { |
916 | { |
|
|
917 | /* version sort, up to 8 digits */ |
868 | STRLEN el, nl = 0; |
918 | STRLEN el, nl = 0; |
869 | while (*path >= '0' && *path <= '9' && path < pend) |
919 | while (*path >= '0' && *path <= '9' && path < pend) |
870 | path++, nl++; |
920 | path++, nl++; |
871 | |
921 | |
872 | for (el = nl; el < 6; el++) |
922 | for (el = nl; el < 8; el++) |
873 | *dstp++ = '0'; |
923 | *dstp++ = '0'; |
874 | |
924 | |
875 | memcpy (dstp, path - nl, nl); |
925 | memcpy (dstp, path - nl, nl); |
876 | dstp += nl; |
926 | dstp += nl; |
877 | } |
927 | } |