… | |
… | |
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 | |
… | |
… | |
201 | |
204 | |
202 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
205 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
203 | } |
206 | } |
204 | |
207 | |
205 | ///////////////////////////////////////////////////////////////////////////// |
208 | ///////////////////////////////////////////////////////////////////////////// |
|
|
209 | // memory source for libjpeg |
206 | |
210 | |
207 | static void cv_ms_init (j_decompress_ptr cinfo) |
211 | static void cv_ms_init (j_decompress_ptr cinfo) |
208 | { |
212 | { |
209 | } |
213 | } |
210 | |
214 | |
… | |
… | |
212 | { |
216 | { |
213 | } |
217 | } |
214 | |
218 | |
215 | static boolean cv_ms_fill (j_decompress_ptr cinfo) |
219 | static boolean cv_ms_fill (j_decompress_ptr cinfo) |
216 | { |
220 | { |
217 | 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); |
218 | |
231 | |
219 | return TRUE; |
232 | return TRUE; |
220 | } |
233 | } |
221 | |
234 | |
222 | 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) |
223 | { |
236 | { |
224 | if (num_bytes > 0) |
|
|
225 | { |
|
|
226 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
237 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
227 | |
238 | |
228 | src->next_input_byte += num_bytes; |
239 | src->next_input_byte += num_bytes; |
229 | src->bytes_in_buffer -= num_bytes; |
240 | src->bytes_in_buffer -= num_bytes; |
230 | } |
|
|
231 | } |
241 | } |
232 | |
242 | |
233 | 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) |
234 | { |
244 | { |
235 | struct jpeg_source_mgr *src; |
245 | struct jpeg_source_mgr *src; |
… | |
… | |
250 | src->bytes_in_buffer = buflen; |
260 | src->bytes_in_buffer = buflen; |
251 | } |
261 | } |
252 | |
262 | |
253 | ///////////////////////////////////////////////////////////////////////////// |
263 | ///////////////////////////////////////////////////////////////////////////// |
254 | |
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 | }; |
|
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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; |
|
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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; |
|
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298 | |
|
|
299 | return 1; |
|
|
300 | } |
|
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301 | |
|
|
302 | ///////////////////////////////////////////////////////////////////////////// |
|
|
303 | |
255 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
256 | |
305 | |
257 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
258 | |
307 | |
|
|
308 | # calculate the common prefix length of two strings |
259 | # missing function in perl. really :) |
309 | # missing function in perl. really :) |
260 | int |
310 | int |
261 | common_prefix_length (a, b) |
311 | common_prefix_length (a, b) |
262 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
312 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
263 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
313 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
… | |
… | |
367 | filetype (SV *image_data) |
417 | filetype (SV *image_data) |
368 | CODE: |
418 | CODE: |
369 | { |
419 | { |
370 | STRLEN data_len; |
420 | STRLEN data_len; |
371 | U8 *data = SvPVbyte (image_data, data_len); |
421 | U8 *data = SvPVbyte (image_data, data_len); |
|
|
422 | static const unsigned char jxl_header[] = { |
|
|
423 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, |
|
|
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 | }; |
372 | |
428 | |
373 | if (data_len >= 20 |
429 | if (data_len >= 20 |
374 | && data[0] == 0xff |
430 | && data[0] == 0xff |
375 | && data[1] == 0xd8 |
431 | && data[1] == 0xd8 |
376 | && data[2] == 0xff) |
432 | && data[2] == 0xff) |
377 | RETVAL = "jpg"; |
433 | RETVAL = "image/jpeg"; |
378 | else if (data_len >= 12 |
434 | else if (data_len >= 12 |
379 | && data[ 0] == (U8)'R' |
435 | && data[ 0] == (U8)'R' |
380 | && data[ 1] == (U8)'I' |
436 | && data[ 1] == (U8)'I' |
381 | && data[ 2] == (U8)'F' |
437 | && data[ 2] == (U8)'F' |
382 | && data[ 3] == (U8)'F' |
438 | && data[ 3] == (U8)'F' |
383 | && data[ 8] == (U8)'W' |
439 | && data[ 8] == (U8)'W' |
384 | && data[ 9] == (U8)'E' |
440 | && data[ 9] == (U8)'E' |
385 | && data[10] == (U8)'B' |
441 | && data[10] == (U8)'B' |
386 | && data[11] == (U8)'P') |
442 | && data[11] == (U8)'P') |
387 | RETVAL = "webp"; |
443 | RETVAL = "image/webp"; |
388 | else if (data_len >= 16 |
444 | else if (data_len >= 16 |
389 | && data[ 0] == 0x89 |
445 | && data[ 0] == 0x89 |
390 | && data[ 1] == (U8)'P' |
446 | && data[ 1] == (U8)'P' |
391 | && data[ 2] == (U8)'N' |
447 | && data[ 2] == (U8)'N' |
392 | && data[ 3] == (U8)'G' |
448 | && data[ 3] == (U8)'G' |
393 | && data[ 4] == 0x0d |
449 | && data[ 4] == 0x0d |
394 | && data[ 5] == 0x0a |
450 | && data[ 5] == 0x0a |
395 | && data[ 6] == 0x1a |
451 | && data[ 6] == 0x1a |
396 | && data[ 7] == 0x0a) |
452 | && data[ 7] == 0x0a) |
397 | 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"; |
398 | else |
456 | else |
399 | RETVAL = "other"; |
457 | XSRETURN_UNDEF; |
400 | } |
458 | } |
401 | OUTPUT: |
459 | OUTPUT: |
402 | RETVAL |
460 | RETVAL |
403 | |
461 | |
404 | GdkPixbuf_noinc * |
462 | GdkPixbuf_noinc * |
… | |
… | |
478 | } |
536 | } |
479 | |
537 | |
480 | err_iter: |
538 | err_iter: |
481 | WebPDemuxReleaseIterator (&iter); |
539 | WebPDemuxReleaseIterator (&iter); |
482 | err_demux: |
540 | err_demux: |
|
|
541 | WebPDemuxDelete (demux); |
483 | |
542 | |
484 | perlinterp_acquire (); |
543 | perlinterp_acquire (); |
485 | #else |
544 | #else |
486 | croak ("load_webp: webp not enabled at compile time"); |
545 | croak ("load_webp: webp not enabled at compile time"); |
|
|
546 | #endif |
|
|
547 | } |
|
|
548 | OUTPUT: |
|
|
549 | RETVAL |
|
|
550 | |
|
|
551 | GdkPixbuf_noinc * |
|
|
552 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
553 | CODE: |
|
|
554 | { |
|
|
555 | #if JXL |
|
|
556 | JxlDecoder *dec = JxlDecoderCreate (0); |
|
|
557 | JxlBasicInfo info; |
|
|
558 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
|
|
559 | size_t avail_in = SvCUR (image_data); |
|
|
560 | const char *error = 0; |
|
|
561 | void *runner = 0; |
|
|
562 | struct bmff_box box; |
|
|
563 | |
|
|
564 | perlinterp_release (); |
|
|
565 | |
|
|
566 | RETVAL = 0; |
|
|
567 | |
|
|
568 | error = "JxlDecoderCreate failed"; |
|
|
569 | if (!dec) |
|
|
570 | goto done; |
|
|
571 | |
|
|
572 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
|
|
573 | |
|
|
574 | error = "JxlDecoderSetParallelRunner failed"; |
|
|
575 | if (JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner) != JXL_DEC_SUCCESS) |
|
|
576 | goto done; |
|
|
577 | |
|
|
578 | error = "JxlDecoderSubscribeEvents failed"; |
|
|
579 | if (JxlDecoderSubscribeEvents (dec, JXL_DEC_FULL_IMAGE | 0xffc0) != JXL_DEC_SUCCESS) |
|
|
580 | goto done; |
|
|
581 | |
|
|
582 | for (;;) |
|
|
583 | { |
|
|
584 | JxlDecoderStatus status = JxlDecoderProcessInput (dec, &next_in, &avail_in); |
|
|
585 | |
|
|
586 | printf ("status %d\n",status); |
|
|
587 | |
|
|
588 | switch (status) |
|
|
589 | { |
|
|
590 | case JXL_DEC_ERROR: |
|
|
591 | error = "JxlDecoderProcessInput failed"; |
|
|
592 | goto done; |
|
|
593 | |
|
|
594 | case JXL_DEC_NEED_MORE_INPUT: |
|
|
595 | error = "incomplete file"; |
|
|
596 | goto done; |
|
|
597 | |
|
|
598 | case JXL_DEC_SUCCESS: |
|
|
599 | goto done; |
|
|
600 | |
|
|
601 | case JXL_DEC_NEED_IMAGE_OUT_BUFFER: |
|
|
602 | { |
|
|
603 | error = "JxlDecoderGetBasicInfo failed"; |
|
|
604 | if (JxlDecoderGetBasicInfo (dec, &info) != JXL_DEC_SUCCESS) |
|
|
605 | goto done; |
|
|
606 | |
|
|
607 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
|
|
608 | error = "unable to allocate pixbuf"; |
|
|
609 | if (!RETVAL) |
|
|
610 | goto done; |
|
|
611 | |
|
|
612 | JxlPixelFormat format = { |
|
|
613 | info.alpha_bits ? 4 : 3, |
|
|
614 | JXL_TYPE_UINT8, |
|
|
615 | JXL_NATIVE_ENDIAN, |
|
|
616 | gdk_pixbuf_get_rowstride (RETVAL) |
|
|
617 | }; |
|
|
618 | |
|
|
619 | error = "JxlDecoderSetImageOutBuffer failed"; |
|
|
620 | if (JxlDecoderSetImageOutBuffer ( |
|
|
621 | dec, |
|
|
622 | &format, |
|
|
623 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
624 | gdk_pixbuf_get_byte_length (RETVAL) |
|
|
625 | ) != JXL_DEC_SUCCESS) |
|
|
626 | goto done; |
|
|
627 | } |
|
|
628 | break; |
|
|
629 | |
|
|
630 | default: |
|
|
631 | error = "unexpected event"; |
|
|
632 | goto done; |
|
|
633 | } |
|
|
634 | } |
|
|
635 | |
|
|
636 | done: |
|
|
637 | if (dec) |
|
|
638 | JxlDecoderDestroy (dec); |
|
|
639 | |
|
|
640 | if (runner) |
|
|
641 | JxlThreadParallelRunnerDestroy (runner); |
|
|
642 | |
|
|
643 | perlinterp_acquire (); |
|
|
644 | |
|
|
645 | if (error) |
|
|
646 | { |
|
|
647 | if (RETVAL) |
|
|
648 | g_object_unref (RETVAL); |
|
|
649 | |
|
|
650 | croak ("load_jxl: %s", error); |
|
|
651 | } |
|
|
652 | #else |
|
|
653 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
487 | #endif |
654 | #endif |
488 | } |
655 | } |
489 | OUTPUT: |
656 | OUTPUT: |
490 | RETVAL |
657 | RETVAL |
491 | |
658 | |
… | |
… | |
517 | g_object_unref ((gpointer)pb); |
684 | g_object_unref ((gpointer)pb); |
518 | |
685 | |
519 | perlinterp_acquire (); |
686 | perlinterp_acquire (); |
520 | XSRETURN_UNDEF; |
687 | XSRETURN_UNDEF; |
521 | } |
688 | } |
|
|
689 | |
|
|
690 | if (!data_len) |
|
|
691 | longjmp (jerr.setjmp_buffer, 4); |
522 | |
692 | |
523 | jpeg_create_decompress (&cinfo); |
693 | jpeg_create_decompress (&cinfo); |
524 | cv_jpeg_mem_src (&cinfo, data, data_len); |
694 | cv_jpeg_mem_src (&cinfo, data, data_len); |
525 | |
695 | |
526 | jpeg_read_header (&cinfo, TRUE); |
696 | jpeg_read_header (&cinfo, TRUE); |