2 * Copyright (c) 2006 Konstantin Shishkov
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * @author Konstantin Shishkov
32 #define LZMA_API_STATIC
36 #include "libavutil/attributes.h"
37 #include "libavutil/avstring.h"
38 #include "libavutil/intreadwrite.h"
39 #include "libavutil/imgutils.h"
40 #include "libavutil/opt.h"
42 #include "bytestream.h"
48 #include "tiff_data.h"
52 typedef struct TiffContext {
54 AVCodecContext *avctx;
62 unsigned int bpp, bppcount;
63 uint32_t palette[256];
67 enum TiffPhotometric photometric;
83 int strips, rps, sstype;
85 int stripsizesoff, stripsize, stripoff, strippos;
88 uint8_t *deinvert_buf;
89 int deinvert_buf_size;
91 unsigned int yuv_line_size;
93 unsigned int fax_buffer_size;
99 static void free_geotags(TiffContext *const s)
102 for (i = 0; i < s->geotag_count; i++) {
103 if (s->geotags[i].val)
104 av_freep(&s->geotags[i].val);
106 av_freep(&s->geotags);
110 #define RET_GEOKEY(TYPE, array, element)\
111 if (key >= TIFF_##TYPE##_KEY_ID_OFFSET &&\
112 key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_name_type_map))\
113 return ff_tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element;
115 static const char *get_geokey_name(int key)
117 RET_GEOKEY(VERT, vert, name);
118 RET_GEOKEY(PROJ, proj, name);
119 RET_GEOKEY(GEOG, geog, name);
120 RET_GEOKEY(CONF, conf, name);
125 static int get_geokey_type(int key)
127 RET_GEOKEY(VERT, vert, type);
128 RET_GEOKEY(PROJ, proj, type);
129 RET_GEOKEY(GEOG, geog, type);
130 RET_GEOKEY(CONF, conf, type);
132 return AVERROR_INVALIDDATA;
135 static int cmp_id_key(const void *id, const void *k)
137 return *(const int*)id - ((const TiffGeoTagKeyName*)k)->key;
140 static const char *search_keyval(const TiffGeoTagKeyName *keys, int n, int id)
142 TiffGeoTagKeyName *r = bsearch(&id, keys, n, sizeof(keys[0]), cmp_id_key);
149 static char *get_geokey_val(int key, int val)
153 if (val == TIFF_GEO_KEY_UNDEFINED)
154 return av_strdup("undefined");
155 if (val == TIFF_GEO_KEY_USER_DEFINED)
156 return av_strdup("User-Defined");
158 #define RET_GEOKEY_VAL(TYPE, array)\
159 if (val >= TIFF_##TYPE##_OFFSET &&\
160 val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_codes))\
161 return av_strdup(ff_tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]);
164 case TIFF_GT_MODEL_TYPE_GEOKEY:
165 RET_GEOKEY_VAL(GT_MODEL_TYPE, gt_model_type);
167 case TIFF_GT_RASTER_TYPE_GEOKEY:
168 RET_GEOKEY_VAL(GT_RASTER_TYPE, gt_raster_type);
170 case TIFF_GEOG_LINEAR_UNITS_GEOKEY:
171 case TIFF_PROJ_LINEAR_UNITS_GEOKEY:
172 case TIFF_VERTICAL_UNITS_GEOKEY:
173 RET_GEOKEY_VAL(LINEAR_UNIT, linear_unit);
175 case TIFF_GEOG_ANGULAR_UNITS_GEOKEY:
176 case TIFF_GEOG_AZIMUTH_UNITS_GEOKEY:
177 RET_GEOKEY_VAL(ANGULAR_UNIT, angular_unit);
179 case TIFF_GEOGRAPHIC_TYPE_GEOKEY:
180 RET_GEOKEY_VAL(GCS_TYPE, gcs_type);
181 RET_GEOKEY_VAL(GCSE_TYPE, gcse_type);
183 case TIFF_GEOG_GEODETIC_DATUM_GEOKEY:
184 RET_GEOKEY_VAL(GEODETIC_DATUM, geodetic_datum);
185 RET_GEOKEY_VAL(GEODETIC_DATUM_E, geodetic_datum_e);
187 case TIFF_GEOG_ELLIPSOID_GEOKEY:
188 RET_GEOKEY_VAL(ELLIPSOID, ellipsoid);
190 case TIFF_GEOG_PRIME_MERIDIAN_GEOKEY:
191 RET_GEOKEY_VAL(PRIME_MERIDIAN, prime_meridian);
193 case TIFF_PROJECTED_CS_TYPE_GEOKEY:
194 ap = av_strdup(search_keyval(ff_tiff_proj_cs_type_codes, FF_ARRAY_ELEMS(ff_tiff_proj_cs_type_codes), val));
197 case TIFF_PROJECTION_GEOKEY:
198 ap = av_strdup(search_keyval(ff_tiff_projection_codes, FF_ARRAY_ELEMS(ff_tiff_projection_codes), val));
201 case TIFF_PROJ_COORD_TRANS_GEOKEY:
202 RET_GEOKEY_VAL(COORD_TRANS, coord_trans);
204 case TIFF_VERTICAL_CS_TYPE_GEOKEY:
205 RET_GEOKEY_VAL(VERT_CS, vert_cs);
206 RET_GEOKEY_VAL(ORTHO_VERT_CS, ortho_vert_cs);
213 snprintf(ap, 14, "Unknown-%d", val);
217 static char *doubles2str(double *dp, int count, const char *sep)
221 uint64_t component_len;
222 if (!sep) sep = ", ";
223 component_len = 24LL + strlen(sep);
224 if (count >= (INT_MAX - 1)/component_len)
226 ap = av_malloc(component_len * count + 1);
231 for (i = 0; i < count; i++) {
232 unsigned l = snprintf(ap, component_len, "%.15g%s", dp[i], sep);
233 if(l >= component_len) {
239 ap0[strlen(ap0) - strlen(sep)] = '\0';
243 static int add_metadata(int count, int type,
244 const char *name, const char *sep, TiffContext *s, AVFrame *frame)
247 case TIFF_DOUBLE: return ff_tadd_doubles_metadata(count, name, sep, &s->gb, s->le, &frame->metadata);
248 case TIFF_SHORT : return ff_tadd_shorts_metadata(count, name, sep, &s->gb, s->le, 0, &frame->metadata);
249 case TIFF_STRING: return ff_tadd_string_metadata(count, name, &s->gb, s->le, &frame->metadata);
250 default : return AVERROR_INVALIDDATA;
254 static void av_always_inline horizontal_fill(TiffContext *s,
255 unsigned int bpp, uint8_t* dst,
256 int usePtr, const uint8_t *src,
257 uint8_t c, int width, int offset)
261 while (--width >= 0) {
262 dst[(width+offset)*8+7] = (usePtr ? src[width] : c) & 0x1;
263 dst[(width+offset)*8+6] = (usePtr ? src[width] : c) >> 1 & 0x1;
264 dst[(width+offset)*8+5] = (usePtr ? src[width] : c) >> 2 & 0x1;
265 dst[(width+offset)*8+4] = (usePtr ? src[width] : c) >> 3 & 0x1;
266 dst[(width+offset)*8+3] = (usePtr ? src[width] : c) >> 4 & 0x1;
267 dst[(width+offset)*8+2] = (usePtr ? src[width] : c) >> 5 & 0x1;
268 dst[(width+offset)*8+1] = (usePtr ? src[width] : c) >> 6 & 0x1;
269 dst[(width+offset)*8+0] = (usePtr ? src[width] : c) >> 7;
273 while (--width >= 0) {
274 dst[(width+offset)*4+3] = (usePtr ? src[width] : c) & 0x3;
275 dst[(width+offset)*4+2] = (usePtr ? src[width] : c) >> 2 & 0x3;
276 dst[(width+offset)*4+1] = (usePtr ? src[width] : c) >> 4 & 0x3;
277 dst[(width+offset)*4+0] = (usePtr ? src[width] : c) >> 6;
281 while (--width >= 0) {
282 dst[(width+offset)*2+1] = (usePtr ? src[width] : c) & 0xF;
283 dst[(width+offset)*2+0] = (usePtr ? src[width] : c) >> 4;
287 uint16_t *dst16 = (uint16_t *)dst;
289 init_get_bits8(&gb, src, width);
290 for (int i = 0; i < s->width; i++) {
291 dst16[i] = get_bits(&gb, 12) << 4;
297 memcpy(dst + offset, src, width);
299 memset(dst + offset, c, width);
304 static int deinvert_buffer(TiffContext *s, const uint8_t *src, int size)
308 av_fast_padded_malloc(&s->deinvert_buf, &s->deinvert_buf_size, size);
309 if (!s->deinvert_buf)
310 return AVERROR(ENOMEM);
311 for (i = 0; i < size; i++)
312 s->deinvert_buf[i] = ff_reverse[src[i]];
317 static void unpack_gray(TiffContext *s, AVFrame *p,
318 const uint8_t *src, int lnum, int width, int bpp)
321 uint16_t *dst = (uint16_t *)(p->data[0] + lnum * p->linesize[0]);
323 init_get_bits8(&gb, src, width);
325 for (int i = 0; i < s->width; i++) {
326 dst[i] = get_bits(&gb, bpp);
330 static void unpack_yuv(TiffContext *s, AVFrame *p,
331 const uint8_t *src, int lnum)
334 int w = (s->width - 1) / s->subsampling[0] + 1;
335 uint8_t *pu = &p->data[1][lnum / s->subsampling[1] * p->linesize[1]];
336 uint8_t *pv = &p->data[2][lnum / s->subsampling[1] * p->linesize[2]];
337 if (s->width % s->subsampling[0] || s->height % s->subsampling[1]) {
338 for (i = 0; i < w; i++) {
339 for (j = 0; j < s->subsampling[1]; j++)
340 for (k = 0; k < s->subsampling[0]; k++)
341 p->data[0][FFMIN(lnum + j, s->height-1) * p->linesize[0] +
342 FFMIN(i * s->subsampling[0] + k, s->width-1)] = *src++;
347 for (i = 0; i < w; i++) {
348 for (j = 0; j < s->subsampling[1]; j++)
349 for (k = 0; k < s->subsampling[0]; k++)
350 p->data[0][(lnum + j) * p->linesize[0] +
351 i * s->subsampling[0] + k] = *src++;
359 static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src,
362 z_stream zstream = { 0 };
365 zstream.next_in = (uint8_t *)src;
366 zstream.avail_in = size;
367 zstream.next_out = dst;
368 zstream.avail_out = *len;
369 zret = inflateInit(&zstream);
371 av_log(NULL, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
374 zret = inflate(&zstream, Z_SYNC_FLUSH);
375 inflateEnd(&zstream);
376 *len = zstream.total_out;
377 return zret == Z_STREAM_END ? Z_OK : zret;
380 static int tiff_unpack_zlib(TiffContext *s, AVFrame *p, uint8_t *dst, int stride,
381 const uint8_t *src, int size, int width, int lines,
382 int strip_start, int is_yuv)
385 unsigned long outlen;
387 outlen = width * lines;
388 zbuf = av_malloc(outlen);
390 return AVERROR(ENOMEM);
392 if ((ret = deinvert_buffer(s, src, size)) < 0) {
396 src = s->deinvert_buf;
398 ret = tiff_uncompress(zbuf, &outlen, src, size);
400 av_log(s->avctx, AV_LOG_ERROR,
401 "Uncompressing failed (%lu of %lu) with error %d\n", outlen,
402 (unsigned long)width * lines, ret);
404 return AVERROR_UNKNOWN;
407 for (line = 0; line < lines; line++) {
408 if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
409 horizontal_fill(s, s->bpp, dst, 1, src, 0, width, 0);
411 memcpy(dst, src, width);
414 unpack_yuv(s, p, dst, strip_start + line);
415 line += s->subsampling[1] - 1;
426 static int tiff_uncompress_lzma(uint8_t *dst, uint64_t *len, const uint8_t *src,
429 lzma_stream stream = LZMA_STREAM_INIT;
432 stream.next_in = (uint8_t *)src;
433 stream.avail_in = size;
434 stream.next_out = dst;
435 stream.avail_out = *len;
436 ret = lzma_stream_decoder(&stream, UINT64_MAX, 0);
437 if (ret != LZMA_OK) {
438 av_log(NULL, AV_LOG_ERROR, "LZMA init error: %d\n", ret);
441 ret = lzma_code(&stream, LZMA_RUN);
443 *len = stream.total_out;
444 return ret == LZMA_STREAM_END ? LZMA_OK : ret;
447 static int tiff_unpack_lzma(TiffContext *s, AVFrame *p, uint8_t *dst, int stride,
448 const uint8_t *src, int size, int width, int lines,
449 int strip_start, int is_yuv)
451 uint64_t outlen = width * (uint64_t)lines;
453 uint8_t *buf = av_malloc(outlen);
455 return AVERROR(ENOMEM);
457 if ((ret = deinvert_buffer(s, src, size)) < 0) {
461 src = s->deinvert_buf;
463 ret = tiff_uncompress_lzma(buf, &outlen, src, size);
464 if (ret != LZMA_OK) {
465 av_log(s->avctx, AV_LOG_ERROR,
466 "Uncompressing failed (%"PRIu64" of %"PRIu64") with error %d\n", outlen,
467 (uint64_t)width * lines, ret);
469 return AVERROR_UNKNOWN;
472 for (line = 0; line < lines; line++) {
473 if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
474 horizontal_fill(s, s->bpp, dst, 1, src, 0, width, 0);
476 memcpy(dst, src, width);
479 unpack_yuv(s, p, dst, strip_start + line);
480 line += s->subsampling[1] - 1;
490 static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
491 const uint8_t *src, int size, int width, int lines)
497 av_fast_padded_malloc(&s->fax_buffer, &s->fax_buffer_size, size);
498 src2 = s->fax_buffer;
501 av_log(s->avctx, AV_LOG_ERROR,
502 "Error allocating temporary buffer\n");
503 return AVERROR(ENOMEM);
506 if (!s->fill_order) {
507 memcpy(src2, src, size);
509 for (i = 0; i < size; i++)
510 src2[i] = ff_reverse[src[i]];
512 memset(src2 + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
513 ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
514 s->compr, s->fax_opts);
515 if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8)
516 for (line = 0; line < lines; line++) {
517 horizontal_fill(s, s->bpp, dst, 1, dst, 0, width, 0);
523 static int tiff_unpack_strip(TiffContext *s, AVFrame *p, uint8_t *dst, int stride,
524 const uint8_t *src, int size, int strip_start, int lines)
527 int c, line, pixels, code, ret;
528 const uint8_t *ssrc = src;
529 int width = ((s->width * s->bpp) + 7) >> 3;
530 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(p->format);
531 int is_yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) &&
532 (desc->flags & AV_PIX_FMT_FLAG_PLANAR) &&
533 desc->nb_components >= 3;
536 width /= s->bppcount;
539 return AVERROR_INVALIDDATA;
542 int bytes_per_row = (((s->width - 1) / s->subsampling[0] + 1) * s->bpp *
543 s->subsampling[0] * s->subsampling[1] + 7) >> 3;
544 av_fast_padded_malloc(&s->yuv_line, &s->yuv_line_size, bytes_per_row);
545 if (s->yuv_line == NULL) {
546 av_log(s->avctx, AV_LOG_ERROR, "Not enough memory\n");
547 return AVERROR(ENOMEM);
552 width = (s->width - 1) / s->subsampling[0] + 1;
553 width = width * s->subsampling[0] * s->subsampling[1] + 2*width;
554 av_assert0(width <= bytes_per_row);
555 av_assert0(s->bpp == 24);
558 width = (s->bpp * s->width + 7) >> 3;
560 if (p->format == AV_PIX_FMT_GRAY12) {
561 av_fast_padded_malloc(&s->yuv_line, &s->yuv_line_size, width);
562 if (s->yuv_line == NULL) {
563 av_log(s->avctx, AV_LOG_ERROR, "Not enough memory\n");
564 return AVERROR(ENOMEM);
570 if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) {
572 return tiff_unpack_zlib(s, p, dst, stride, src, size, width, lines,
573 strip_start, is_yuv);
575 av_log(s->avctx, AV_LOG_ERROR,
576 "zlib support not enabled, "
577 "deflate compression not supported\n");
578 return AVERROR(ENOSYS);
581 if (s->compr == TIFF_LZMA) {
583 return tiff_unpack_lzma(s, p, dst, stride, src, size, width, lines,
584 strip_start, is_yuv);
586 av_log(s->avctx, AV_LOG_ERROR,
587 "LZMA support not enabled\n");
588 return AVERROR(ENOSYS);
591 if (s->compr == TIFF_LZW) {
593 if ((ret = deinvert_buffer(s, src, size)) < 0)
595 ssrc = src = s->deinvert_buf;
597 if (size > 1 && !src[0] && (src[1]&1)) {
598 av_log(s->avctx, AV_LOG_ERROR, "Old style LZW is unsupported\n");
600 if ((ret = ff_lzw_decode_init(s->lzw, 8, src, size, FF_LZW_TIFF)) < 0) {
601 av_log(s->avctx, AV_LOG_ERROR, "Error initializing LZW decoder\n");
604 for (line = 0; line < lines; line++) {
605 pixels = ff_lzw_decode(s->lzw, dst, width);
606 if (pixels < width) {
607 av_log(s->avctx, AV_LOG_ERROR, "Decoded only %i bytes of %i\n",
609 return AVERROR_INVALIDDATA;
611 if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8)
612 horizontal_fill(s, s->bpp, dst, 1, dst, 0, width, 0);
614 unpack_yuv(s, p, dst, strip_start + line);
615 line += s->subsampling[1] - 1;
616 } else if (p->format == AV_PIX_FMT_GRAY12) {
617 unpack_gray(s, p, dst, strip_start + line, width, s->bpp);
623 if (s->compr == TIFF_CCITT_RLE ||
624 s->compr == TIFF_G3 ||
625 s->compr == TIFF_G4) {
626 if (is_yuv || p->format == AV_PIX_FMT_GRAY12)
627 return AVERROR_INVALIDDATA;
629 return tiff_unpack_fax(s, dst, stride, src, size, width, lines);
632 bytestream2_init(&s->gb, src, size);
633 bytestream2_init_writer(&pb, dst, is_yuv ? s->yuv_line_size : (stride * lines));
635 for (line = 0; line < lines; line++) {
636 if (src - ssrc > size) {
637 av_log(s->avctx, AV_LOG_ERROR, "Source data overread\n");
638 return AVERROR_INVALIDDATA;
641 if (bytestream2_get_bytes_left(&s->gb) == 0 || bytestream2_get_eof(&pb))
643 bytestream2_seek_p(&pb, stride * line, SEEK_SET);
646 if (ssrc + size - src < width)
647 return AVERROR_INVALIDDATA;
649 if (!s->fill_order) {
650 horizontal_fill(s, s->bpp * (s->avctx->pix_fmt == AV_PIX_FMT_PAL8 || s->is_bayer),
651 dst, 1, src, 0, width, 0);
654 for (i = 0; i < width; i++)
655 dst[i] = ff_reverse[src[i]];
660 for (pixels = 0; pixels < width;) {
661 if (ssrc + size - src < 2) {
662 av_log(s->avctx, AV_LOG_ERROR, "Read went out of bounds\n");
663 return AVERROR_INVALIDDATA;
665 code = s->fill_order ? (int8_t) ff_reverse[*src++]: (int8_t) *src++;
668 if (pixels + code > width ||
669 ssrc + size - src < code) {
670 av_log(s->avctx, AV_LOG_ERROR,
671 "Copy went out of bounds\n");
672 return AVERROR_INVALIDDATA;
674 horizontal_fill(s, s->bpp * (s->avctx->pix_fmt == AV_PIX_FMT_PAL8),
675 dst, 1, src, 0, code, pixels);
678 } else if (code != -128) { // -127..-1
680 if (pixels + code > width) {
681 av_log(s->avctx, AV_LOG_ERROR,
682 "Run went out of bounds\n");
683 return AVERROR_INVALIDDATA;
686 horizontal_fill(s, s->bpp * (s->avctx->pix_fmt == AV_PIX_FMT_PAL8),
687 dst, 0, NULL, c, code, pixels);
693 for (i = 0; i < width; i++)
694 dst[i] = ff_reverse[dst[i]];
699 unpack_yuv(s, p, dst, strip_start + line);
700 line += s->subsampling[1] - 1;
701 } else if (p->format == AV_PIX_FMT_GRAY12) {
702 unpack_gray(s, p, dst, strip_start + line, width, s->bpp);
709 static int init_image(TiffContext *s, ThreadFrame *frame)
712 int create_gray_palette = 0;
714 // make sure there is no aliasing in the following switch
715 if (s->bpp >= 100 || s->bppcount >= 10) {
716 av_log(s->avctx, AV_LOG_ERROR,
717 "Unsupported image parameters: bpp=%d, bppcount=%d\n",
718 s->bpp, s->bppcount);
719 return AVERROR_INVALIDDATA;
722 switch (s->planar * 1000 + s->bpp * 10 + s->bppcount + s->is_bayer * 10000) {
724 if (!s->palette_is_set) {
725 s->avctx->pix_fmt = AV_PIX_FMT_MONOBLACK;
730 s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
731 if (!s->palette_is_set) {
732 create_gray_palette = 1;
736 s->avctx->pix_fmt = s->palette_is_set ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_GRAY8;
739 s->avctx->pix_fmt = AV_PIX_FMT_GRAY12;
742 switch (AV_RL32(s->pattern)) {
744 s->avctx->pix_fmt = AV_PIX_FMT_BAYER_RGGB8;
747 s->avctx->pix_fmt = AV_PIX_FMT_BAYER_BGGR8;
750 s->avctx->pix_fmt = AV_PIX_FMT_BAYER_GBRG8;
753 s->avctx->pix_fmt = AV_PIX_FMT_BAYER_GRBG8;
756 av_log(s->avctx, AV_LOG_ERROR, "Unsupported Bayer pattern: 0x%X\n",
757 AV_RL32(s->pattern));
758 return AVERROR_PATCHWELCOME;
762 switch (AV_RL32(s->pattern)) {
764 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_RGGB16LE : AV_PIX_FMT_BAYER_RGGB16BE;
767 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_BGGR16LE : AV_PIX_FMT_BAYER_BGGR16BE;
770 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GBRG16LE : AV_PIX_FMT_BAYER_GBRG16BE;
773 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GRBG16LE : AV_PIX_FMT_BAYER_GRBG16BE;
776 av_log(s->avctx, AV_LOG_ERROR, "Unsupported Bayer pattern: 0x%X\n",
777 AV_RL32(s->pattern));
778 return AVERROR_PATCHWELCOME;
782 switch (AV_RL32(s->pattern)) {
784 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_RGGB16LE : AV_PIX_FMT_BAYER_RGGB16BE;
787 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_BGGR16LE : AV_PIX_FMT_BAYER_BGGR16BE;
790 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GBRG16LE : AV_PIX_FMT_BAYER_GBRG16BE;
793 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GRBG16LE : AV_PIX_FMT_BAYER_GRBG16BE;
796 av_log(s->avctx, AV_LOG_ERROR, "Unsupported Bayer pattern: 0x%X\n",
797 AV_RL32(s->pattern));
798 return AVERROR_PATCHWELCOME;
802 if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
803 if (s->subsampling[0] == 1 && s->subsampling[1] == 1) {
804 s->avctx->pix_fmt = AV_PIX_FMT_YUV444P;
805 } else if (s->subsampling[0] == 2 && s->subsampling[1] == 1) {
806 s->avctx->pix_fmt = AV_PIX_FMT_YUV422P;
807 } else if (s->subsampling[0] == 4 && s->subsampling[1] == 1) {
808 s->avctx->pix_fmt = AV_PIX_FMT_YUV411P;
809 } else if (s->subsampling[0] == 1 && s->subsampling[1] == 2) {
810 s->avctx->pix_fmt = AV_PIX_FMT_YUV440P;
811 } else if (s->subsampling[0] == 2 && s->subsampling[1] == 2) {
812 s->avctx->pix_fmt = AV_PIX_FMT_YUV420P;
813 } else if (s->subsampling[0] == 4 && s->subsampling[1] == 4) {
814 s->avctx->pix_fmt = AV_PIX_FMT_YUV410P;
816 av_log(s->avctx, AV_LOG_ERROR, "Unsupported YCbCr subsampling\n");
817 return AVERROR_PATCHWELCOME;
820 s->avctx->pix_fmt = AV_PIX_FMT_RGB24;
823 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GRAY16LE : AV_PIX_FMT_GRAY16BE;
826 s->avctx->pix_fmt = AV_PIX_FMT_YA8;
829 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_YA16LE : AV_PIX_FMT_YA16BE;
832 s->avctx->pix_fmt = s->photometric == TIFF_PHOTOMETRIC_SEPARATED ? AV_PIX_FMT_RGB0 : AV_PIX_FMT_RGBA;
835 if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED)
836 s->avctx->pix_fmt = AV_PIX_FMT_RGBA;
838 av_log(s->avctx, AV_LOG_ERROR,
839 "bpp=40 without PHOTOMETRIC_SEPARATED is unsupported\n");
840 return AVERROR_PATCHWELCOME;
844 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB48BE;
847 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_RGBA64LE : AV_PIX_FMT_RGBA64BE;
850 s->avctx->pix_fmt = AV_PIX_FMT_GBRP;
853 s->avctx->pix_fmt = AV_PIX_FMT_GBRAP;
856 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GBRP16LE : AV_PIX_FMT_GBRP16BE;
859 s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GBRAP16LE : AV_PIX_FMT_GBRAP16BE;
862 av_log(s->avctx, AV_LOG_ERROR,
863 "This format is not supported (bpp=%d, bppcount=%d)\n",
864 s->bpp, s->bppcount);
865 return AVERROR_INVALIDDATA;
868 if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
869 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
870 if((desc->flags & AV_PIX_FMT_FLAG_RGB) ||
871 !(desc->flags & AV_PIX_FMT_FLAG_PLANAR) ||
872 desc->nb_components < 3) {
873 av_log(s->avctx, AV_LOG_ERROR, "Unsupported YCbCr variant\n");
874 return AVERROR_INVALIDDATA;
878 if (s->width != s->avctx->width || s->height != s->avctx->height) {
879 ret = ff_set_dimensions(s->avctx, s->width, s->height);
883 if ((ret = ff_thread_get_buffer(s->avctx, frame, 0)) < 0)
885 if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
886 if (!create_gray_palette)
887 memcpy(frame->f->data[1], s->palette, sizeof(s->palette));
889 /* make default grayscale pal */
891 uint32_t *pal = (uint32_t *)frame->f->data[1];
892 for (i = 0; i < 1<<s->bpp; i++)
893 pal[i] = 0xFFU << 24 | i * 255 / ((1<<s->bpp) - 1) * 0x010101;
899 static void set_sar(TiffContext *s, unsigned tag, unsigned num, unsigned den)
901 int offset = tag == TIFF_YRES ? 2 : 0;
902 s->res[offset++] = num;
903 s->res[offset] = den;
904 if (s->res[0] && s->res[1] && s->res[2] && s->res[3]) {
905 uint64_t num = s->res[2] * (uint64_t)s->res[1];
906 uint64_t den = s->res[0] * (uint64_t)s->res[3];
907 if (num > INT64_MAX || den > INT64_MAX) {
911 av_reduce(&s->avctx->sample_aspect_ratio.num, &s->avctx->sample_aspect_ratio.den,
912 num, den, INT32_MAX);
913 if (!s->avctx->sample_aspect_ratio.den)
914 s->avctx->sample_aspect_ratio = (AVRational) {0, 1};
918 static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
920 unsigned tag, type, count, off, value = 0, value2 = 0;
926 ret = ff_tread_tag(&s->gb, s->le, &tag, &type, &count, &start);
931 off = bytestream2_tell(&s->gb);
937 value = ff_tget(&s->gb, type, s->le);
940 value = ff_tget(&s->gb, TIFF_LONG, s->le);
941 value2 = ff_tget(&s->gb, TIFF_LONG, s->le);
954 s->is_thumbnail = (value != 0);
963 av_log(s->avctx, AV_LOG_ERROR,
964 "This format is not supported (bpp=%d, %d components)\n",
966 return AVERROR_INVALIDDATA;
977 if (bytestream2_get_bytes_left(&s->gb) < type_sizes[type] * count)
978 return AVERROR_INVALIDDATA;
979 for (i = 0; i < count; i++)
980 s->bpp += ff_tget(&s->gb, type, s->le);
987 case TIFF_SAMPLES_PER_PIXEL:
989 av_log(s->avctx, AV_LOG_ERROR,
990 "Samples per pixel requires a single value, many provided\n");
991 return AVERROR_INVALIDDATA;
994 av_log(s->avctx, AV_LOG_ERROR,
995 "Samples per pixel %d is too large\n", value);
996 return AVERROR_INVALIDDATA;
998 if (s->bppcount == 1)
1000 s->bppcount = value;
1004 av_log(s->avctx, AV_LOG_DEBUG, "compression: %d\n", s->compr);
1010 case TIFF_CCITT_RLE:
1017 case TIFF_ADOBE_DEFLATE:
1021 av_log(s->avctx, AV_LOG_ERROR, "Deflate: ZLib not compiled in\n");
1022 return AVERROR(ENOSYS);
1026 avpriv_report_missing_feature(s->avctx, "JPEG compression");
1027 return AVERROR_PATCHWELCOME;
1032 av_log(s->avctx, AV_LOG_ERROR, "LZMA not compiled in\n");
1033 return AVERROR(ENOSYS);
1036 av_log(s->avctx, AV_LOG_ERROR, "Unknown compression method %i\n",
1038 return AVERROR_INVALIDDATA;
1041 case TIFF_ROWSPERSTRIP:
1042 if (!value || (type == TIFF_LONG && value == UINT_MAX))
1044 s->rps = FFMIN(value, s->height);
1046 case TIFF_STRIP_OFFS:
1048 if (value > INT_MAX) {
1049 av_log(s->avctx, AV_LOG_ERROR,
1050 "strippos %u too large\n", value);
1051 return AVERROR_INVALIDDATA;
1054 s->stripoff = value;
1062 case TIFF_STRIP_SIZE:
1064 if (value > INT_MAX) {
1065 av_log(s->avctx, AV_LOG_ERROR,
1066 "stripsize %u too large\n", value);
1067 return AVERROR_INVALIDDATA;
1069 s->stripsizesoff = 0;
1070 s->stripsize = value;
1073 s->stripsizesoff = off;
1080 set_sar(s, tag, value, value2);
1082 case TIFF_TILE_BYTE_COUNTS:
1083 case TIFF_TILE_LENGTH:
1084 case TIFF_TILE_OFFSETS:
1085 case TIFF_TILE_WIDTH:
1086 av_log(s->avctx, AV_LOG_ERROR, "Tiled images are not supported\n");
1087 return AVERROR_PATCHWELCOME;
1089 case TIFF_PREDICTOR:
1090 s->predictor = value;
1095 case TIFF_WHITE_LEVEL:
1096 s->white_level = value;
1098 case TIFF_CFA_PATTERN_DIM:
1099 if (count != 2 || (ff_tget(&s->gb, type, s->le) != 2 &&
1100 ff_tget(&s->gb, type, s->le) != 2)) {
1101 av_log(s->avctx, AV_LOG_ERROR, "CFA Pattern dimensions are not 2x2\n");
1102 return AVERROR_INVALIDDATA;
1105 case TIFF_CFA_PATTERN:
1107 s->pattern[0] = ff_tget(&s->gb, type, s->le);
1108 s->pattern[1] = ff_tget(&s->gb, type, s->le);
1109 s->pattern[2] = ff_tget(&s->gb, type, s->le);
1110 s->pattern[3] = ff_tget(&s->gb, type, s->le);
1112 case TIFF_PHOTOMETRIC:
1114 case TIFF_PHOTOMETRIC_WHITE_IS_ZERO:
1115 case TIFF_PHOTOMETRIC_BLACK_IS_ZERO:
1116 case TIFF_PHOTOMETRIC_RGB:
1117 case TIFF_PHOTOMETRIC_PALETTE:
1118 case TIFF_PHOTOMETRIC_SEPARATED:
1119 case TIFF_PHOTOMETRIC_YCBCR:
1120 case TIFF_PHOTOMETRIC_CFA:
1121 s->photometric = value;
1123 case TIFF_PHOTOMETRIC_ALPHA_MASK:
1124 case TIFF_PHOTOMETRIC_CIE_LAB:
1125 case TIFF_PHOTOMETRIC_ICC_LAB:
1126 case TIFF_PHOTOMETRIC_ITU_LAB:
1127 case TIFF_PHOTOMETRIC_LOG_L:
1128 case TIFF_PHOTOMETRIC_LOG_LUV:
1129 case TIFF_PHOTOMETRIC_LINEAR_RAW:
1130 avpriv_report_missing_feature(s->avctx,
1131 "PhotometricInterpretation 0x%04X",
1133 return AVERROR_PATCHWELCOME;
1135 av_log(s->avctx, AV_LOG_ERROR, "PhotometricInterpretation %u is "
1136 "unknown\n", value);
1137 return AVERROR_INVALIDDATA;
1140 case TIFF_FILL_ORDER:
1141 if (value < 1 || value > 2) {
1142 av_log(s->avctx, AV_LOG_ERROR,
1143 "Unknown FillOrder value %d, trying default one\n", value);
1146 s->fill_order = value - 1;
1149 GetByteContext pal_gb[3];
1150 off = type_sizes[type];
1151 if (count / 3 > 256 ||
1152 bytestream2_get_bytes_left(&s->gb) < count / 3 * off * 3)
1153 return AVERROR_INVALIDDATA;
1155 pal_gb[0] = pal_gb[1] = pal_gb[2] = s->gb;
1156 bytestream2_skip(&pal_gb[1], count / 3 * off);
1157 bytestream2_skip(&pal_gb[2], count / 3 * off * 2);
1159 off = (type_sizes[type] - 1) << 3;
1161 av_log(s->avctx, AV_LOG_ERROR, "palette shift %d is out of range\n", off);
1162 return AVERROR_INVALIDDATA;
1165 for (i = 0; i < count / 3; i++) {
1166 uint32_t p = 0xFF000000;
1167 p |= (ff_tget(&pal_gb[0], type, s->le) >> off) << 16;
1168 p |= (ff_tget(&pal_gb[1], type, s->le) >> off) << 8;
1169 p |= ff_tget(&pal_gb[2], type, s->le) >> off;
1172 s->palette_is_set = 1;
1176 s->planar = value == 2;
1178 case TIFF_YCBCR_SUBSAMPLING:
1180 av_log(s->avctx, AV_LOG_ERROR, "subsample count invalid\n");
1181 return AVERROR_INVALIDDATA;
1183 for (i = 0; i < count; i++) {
1184 s->subsampling[i] = ff_tget(&s->gb, type, s->le);
1185 if (s->subsampling[i] <= 0) {
1186 av_log(s->avctx, AV_LOG_ERROR, "subsampling %d is invalid\n", s->subsampling[i]);
1187 s->subsampling[i] = 1;
1188 return AVERROR_INVALIDDATA;
1192 case TIFF_T4OPTIONS:
1193 if (s->compr == TIFF_G3)
1194 s->fax_opts = value;
1196 case TIFF_T6OPTIONS:
1197 if (s->compr == TIFF_G4)
1198 s->fax_opts = value;
1200 #define ADD_METADATA(count, name, sep)\
1201 if ((ret = add_metadata(count, type, name, sep, s, frame)) < 0) {\
1202 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");\
1205 case TIFF_MODEL_PIXEL_SCALE:
1206 ADD_METADATA(count, "ModelPixelScaleTag", NULL);
1208 case TIFF_MODEL_TRANSFORMATION:
1209 ADD_METADATA(count, "ModelTransformationTag", NULL);
1211 case TIFF_MODEL_TIEPOINT:
1212 ADD_METADATA(count, "ModelTiepointTag", NULL);
1214 case TIFF_GEO_KEY_DIRECTORY:
1215 if (s->geotag_count) {
1216 avpriv_request_sample(s->avctx, "Multiple geo key directories\n");
1217 return AVERROR_INVALIDDATA;
1219 ADD_METADATA(1, "GeoTIFF_Version", NULL);
1220 ADD_METADATA(2, "GeoTIFF_Key_Revision", ".");
1221 s->geotag_count = ff_tget_short(&s->gb, s->le);
1222 if (s->geotag_count > count / 4 - 1) {
1223 s->geotag_count = count / 4 - 1;
1224 av_log(s->avctx, AV_LOG_WARNING, "GeoTIFF key directory buffer shorter than specified\n");
1226 if ( bytestream2_get_bytes_left(&s->gb) < s->geotag_count * sizeof(int16_t) * 4
1227 || s->geotag_count == 0) {
1228 s->geotag_count = 0;
1231 s->geotags = av_mallocz_array(s->geotag_count, sizeof(TiffGeoTag));
1233 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
1234 s->geotag_count = 0;
1237 for (i = 0; i < s->geotag_count; i++) {
1238 s->geotags[i].key = ff_tget_short(&s->gb, s->le);
1239 s->geotags[i].type = ff_tget_short(&s->gb, s->le);
1240 s->geotags[i].count = ff_tget_short(&s->gb, s->le);
1242 if (!s->geotags[i].type)
1243 s->geotags[i].val = get_geokey_val(s->geotags[i].key, ff_tget_short(&s->gb, s->le));
1245 s->geotags[i].offset = ff_tget_short(&s->gb, s->le);
1248 case TIFF_GEO_DOUBLE_PARAMS:
1249 if (count >= INT_MAX / sizeof(int64_t))
1250 return AVERROR_INVALIDDATA;
1251 if (bytestream2_get_bytes_left(&s->gb) < count * sizeof(int64_t))
1252 return AVERROR_INVALIDDATA;
1253 dp = av_malloc_array(count, sizeof(double));
1255 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
1258 for (i = 0; i < count; i++)
1259 dp[i] = ff_tget_double(&s->gb, s->le);
1260 for (i = 0; i < s->geotag_count; i++) {
1261 if (s->geotags[i].type == TIFF_GEO_DOUBLE_PARAMS) {
1262 if (s->geotags[i].count == 0
1263 || s->geotags[i].offset + s->geotags[i].count > count) {
1264 av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
1265 } else if (s->geotags[i].val) {
1266 av_log(s->avctx, AV_LOG_WARNING, "Duplicate GeoTIFF key %d\n", s->geotags[i].key);
1268 char *ap = doubles2str(&dp[s->geotags[i].offset], s->geotags[i].count, ", ");
1270 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
1272 return AVERROR(ENOMEM);
1274 s->geotags[i].val = ap;
1280 case TIFF_GEO_ASCII_PARAMS:
1281 pos = bytestream2_tell(&s->gb);
1282 for (i = 0; i < s->geotag_count; i++) {
1283 if (s->geotags[i].type == TIFF_GEO_ASCII_PARAMS) {
1284 if (s->geotags[i].count == 0
1285 || s->geotags[i].offset + s->geotags[i].count > count) {
1286 av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
1290 bytestream2_seek(&s->gb, pos + s->geotags[i].offset, SEEK_SET);
1291 if (bytestream2_get_bytes_left(&s->gb) < s->geotags[i].count)
1292 return AVERROR_INVALIDDATA;
1293 if (s->geotags[i].val)
1294 return AVERROR_INVALIDDATA;
1295 ap = av_malloc(s->geotags[i].count);
1297 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
1298 return AVERROR(ENOMEM);
1300 bytestream2_get_bufferu(&s->gb, ap, s->geotags[i].count);
1301 ap[s->geotags[i].count - 1] = '\0'; //replace the "|" delimiter with a 0 byte
1302 s->geotags[i].val = ap;
1308 ADD_METADATA(count, "artist", NULL);
1310 case TIFF_COPYRIGHT:
1311 ADD_METADATA(count, "copyright", NULL);
1314 ADD_METADATA(count, "date", NULL);
1316 case TIFF_DOCUMENT_NAME:
1317 ADD_METADATA(count, "document_name", NULL);
1319 case TIFF_HOST_COMPUTER:
1320 ADD_METADATA(count, "computer", NULL);
1322 case TIFF_IMAGE_DESCRIPTION:
1323 ADD_METADATA(count, "description", NULL);
1326 ADD_METADATA(count, "make", NULL);
1329 ADD_METADATA(count, "model", NULL);
1331 case TIFF_PAGE_NAME:
1332 ADD_METADATA(count, "page_name", NULL);
1334 case TIFF_PAGE_NUMBER:
1335 ADD_METADATA(count, "page_number", " / ");
1336 // need to seek back to re-read the page number
1337 bytestream2_seek(&s->gb, -count * sizeof(uint16_t), SEEK_CUR);
1338 // read the page number
1339 s->cur_page = ff_tget(&s->gb, TIFF_SHORT, s->le);
1340 // get back to where we were before the previous seek
1341 bytestream2_seek(&s->gb, count * sizeof(uint16_t) - sizeof(uint16_t), SEEK_CUR);
1343 case TIFF_SOFTWARE_NAME:
1344 ADD_METADATA(count, "software", NULL);
1347 if (s->avctx->err_recognition & AV_EF_EXPLODE) {
1348 av_log(s->avctx, AV_LOG_ERROR,
1349 "Unknown or unsupported tag %d/0x%0X\n",
1351 return AVERROR_INVALIDDATA;
1356 av_log(s->avctx, AV_LOG_ERROR,
1357 "This format is not supported (bpp=%d, %d components)\n",
1360 return AVERROR_INVALIDDATA;
1362 bytestream2_seek(&s->gb, start, SEEK_SET);
1366 static int decode_frame(AVCodecContext *avctx,
1367 void *data, int *got_frame, AVPacket *avpkt)
1369 TiffContext *const s = avctx->priv_data;
1370 AVFrame *const p = data;
1371 ThreadFrame frame = { .f = data };
1373 int le, ret, plane, planes;
1374 int i, j, entries, stride;
1375 unsigned soff, ssize;
1377 GetByteContext stripsizes;
1378 GetByteContext stripdata;
1379 int retry_for_subifd, retry_for_page;
1381 bytestream2_init(&s->gb, avpkt->data, avpkt->size);
1383 // parse image header
1384 if ((ret = ff_tdecode_header(&s->gb, &le, &off))) {
1385 av_log(avctx, AV_LOG_ERROR, "Invalid TIFF header\n");
1387 } else if (off >= UINT_MAX - 14 || avpkt->size < off + 14) {
1388 av_log(avctx, AV_LOG_ERROR, "IFD offset is greater than image size\n");
1389 return AVERROR_INVALIDDATA;
1392 // TIFF_BPP is not a required tag and defaults to 1
1394 s->is_thumbnail = 0;
1395 s->bppcount = s->bpp = 1;
1396 s->photometric = TIFF_PHOTOMETRIC_NONE;
1397 s->compr = TIFF_RAW;
1404 // Reset these offsets so we can tell if they were set this frame
1405 s->stripsizesoff = s->strippos = 0;
1406 /* parse image file directory */
1407 bytestream2_seek(&s->gb, off, SEEK_SET);
1408 entries = ff_tget_short(&s->gb, le);
1409 if (bytestream2_get_bytes_left(&s->gb) < entries * 12)
1410 return AVERROR_INVALIDDATA;
1411 for (i = 0; i < entries; i++) {
1412 if ((ret = tiff_decode_tag(s, p)) < 0)
1416 if (s->get_thumbnail && !s->is_thumbnail) {
1417 av_log(avctx, AV_LOG_INFO, "No embedded thumbnail present\n");
1421 /** whether we should process this IFD's SubIFD */
1422 retry_for_subifd = s->sub_ifd && (s->get_subimage || (!s->get_thumbnail && s->is_thumbnail));
1423 /** whether we should process this multi-page IFD's next page */
1424 retry_for_page = s->get_page && s->cur_page + 1 < s->get_page; // get_page is 1-indexed
1426 if (retry_for_page) {
1427 // set offset to the next IFD
1428 off = ff_tget_long(&s->gb, le);
1429 } else if (retry_for_subifd) {
1430 // set offset to the SubIFD
1434 if (retry_for_subifd || retry_for_page) {
1435 if (off >= UINT_MAX - 14 || avpkt->size < off + 14) {
1436 av_log(avctx, AV_LOG_ERROR, "IFD offset is greater than image size\n");
1437 return AVERROR_INVALIDDATA;
1443 for (i = 0; i<s->geotag_count; i++) {
1444 const char *keyname = get_geokey_name(s->geotags[i].key);
1446 av_log(avctx, AV_LOG_WARNING, "Unknown or unsupported GeoTIFF key %d\n", s->geotags[i].key);
1449 if (get_geokey_type(s->geotags[i].key) != s->geotags[i].type) {
1450 av_log(avctx, AV_LOG_WARNING, "Type of GeoTIFF key %d is wrong\n", s->geotags[i].key);
1453 ret = av_dict_set(&p->metadata, keyname, s->geotags[i].val, 0);
1455 av_log(avctx, AV_LOG_ERROR, "Writing metadata with key '%s' failed\n", keyname);
1460 if (!s->strippos && !s->stripoff) {
1461 av_log(avctx, AV_LOG_ERROR, "Image data is missing\n");
1462 return AVERROR_INVALIDDATA;
1464 /* now we have the data and may start decoding */
1465 if ((ret = init_image(s, &frame)) < 0)
1468 if (s->strips == 1 && !s->stripsize) {
1469 av_log(avctx, AV_LOG_WARNING, "Image data size missing\n");
1470 s->stripsize = avpkt->size - s->stripoff;
1473 if (s->stripsizesoff) {
1474 if (s->stripsizesoff >= (unsigned)avpkt->size)
1475 return AVERROR_INVALIDDATA;
1476 bytestream2_init(&stripsizes, avpkt->data + s->stripsizesoff,
1477 avpkt->size - s->stripsizesoff);
1480 if (s->strippos >= (unsigned)avpkt->size)
1481 return AVERROR_INVALIDDATA;
1482 bytestream2_init(&stripdata, avpkt->data + s->strippos,
1483 avpkt->size - s->strippos);
1486 if (s->rps <= 0 || s->rps % s->subsampling[1]) {
1487 av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps);
1488 return AVERROR_INVALIDDATA;
1491 planes = s->planar ? s->bppcount : 1;
1492 for (plane = 0; plane < planes; plane++) {
1493 uint8_t *five_planes = NULL;
1494 int remaining = avpkt->size;
1496 stride = p->linesize[plane];
1497 dst = p->data[plane];
1498 if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
1499 s->avctx->pix_fmt == AV_PIX_FMT_RGBA) {
1500 stride = stride * 5 / 4;
1502 dst = av_malloc(stride * s->height);
1504 return AVERROR(ENOMEM);
1506 for (i = 0; i < s->height; i += s->rps) {
1508 dst += s->rps * stride;
1509 if (s->stripsizesoff)
1510 ssize = ff_tget(&stripsizes, s->sstype, le);
1512 ssize = s->stripsize;
1515 soff = ff_tget(&stripdata, s->sot, le);
1519 if (soff > avpkt->size || ssize > avpkt->size - soff || ssize > remaining) {
1520 av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n");
1521 av_freep(&five_planes);
1522 return AVERROR_INVALIDDATA;
1525 if ((ret = tiff_unpack_strip(s, p, dst, stride, avpkt->data + soff, ssize, i,
1526 FFMIN(s->rps, s->height - i))) < 0) {
1527 if (avctx->err_recognition & AV_EF_EXPLODE) {
1528 av_freep(&five_planes);
1534 decoded_height = FFMIN(i, s->height);
1536 if (s->predictor == 2) {
1537 if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
1538 av_log(s->avctx, AV_LOG_ERROR, "predictor == 2 with YUV is unsupported");
1539 return AVERROR_PATCHWELCOME;
1541 dst = five_planes ? five_planes : p->data[plane];
1544 soff = FFMAX(soff / s->bppcount, 1);
1545 ssize = s->width * soff;
1546 if (s->avctx->pix_fmt == AV_PIX_FMT_RGB48LE ||
1547 s->avctx->pix_fmt == AV_PIX_FMT_RGBA64LE ||
1548 s->avctx->pix_fmt == AV_PIX_FMT_GRAY16LE ||
1549 s->avctx->pix_fmt == AV_PIX_FMT_YA16LE ||
1550 s->avctx->pix_fmt == AV_PIX_FMT_GBRP16LE ||
1551 s->avctx->pix_fmt == AV_PIX_FMT_GBRAP16LE) {
1552 for (i = 0; i < decoded_height; i++) {
1553 for (j = soff; j < ssize; j += 2)
1554 AV_WL16(dst + j, AV_RL16(dst + j) + AV_RL16(dst + j - soff));
1557 } else if (s->avctx->pix_fmt == AV_PIX_FMT_RGB48BE ||
1558 s->avctx->pix_fmt == AV_PIX_FMT_RGBA64BE ||
1559 s->avctx->pix_fmt == AV_PIX_FMT_GRAY16BE ||
1560 s->avctx->pix_fmt == AV_PIX_FMT_YA16BE ||
1561 s->avctx->pix_fmt == AV_PIX_FMT_GBRP16BE ||
1562 s->avctx->pix_fmt == AV_PIX_FMT_GBRAP16BE) {
1563 for (i = 0; i < decoded_height; i++) {
1564 for (j = soff; j < ssize; j += 2)
1565 AV_WB16(dst + j, AV_RB16(dst + j) + AV_RB16(dst + j - soff));
1569 for (i = 0; i < decoded_height; i++) {
1570 for (j = soff; j < ssize; j++)
1571 dst[j] += dst[j - soff];
1577 if (s->photometric == TIFF_PHOTOMETRIC_WHITE_IS_ZERO) {
1578 int c = (s->avctx->pix_fmt == AV_PIX_FMT_PAL8 ? (1<<s->bpp) - 1 : 255);
1579 dst = p->data[plane];
1580 for (i = 0; i < s->height; i++) {
1581 for (j = 0; j < stride; j++)
1582 dst[j] = c - dst[j];
1587 if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
1588 (s->avctx->pix_fmt == AV_PIX_FMT_RGB0 || s->avctx->pix_fmt == AV_PIX_FMT_RGBA)) {
1589 int x = s->avctx->pix_fmt == AV_PIX_FMT_RGB0 ? 4 : 5;
1590 uint8_t *src = five_planes ? five_planes : p->data[plane];
1591 dst = p->data[plane];
1592 for (i = 0; i < s->height; i++) {
1593 for (j = 0; j < s->width; j++) {
1594 int k = 255 - src[x * j + 3];
1595 int r = (255 - src[x * j ]) * k;
1596 int g = (255 - src[x * j + 1]) * k;
1597 int b = (255 - src[x * j + 2]) * k;
1598 dst[4 * j ] = r * 257 >> 16;
1599 dst[4 * j + 1] = g * 257 >> 16;
1600 dst[4 * j + 2] = b * 257 >> 16;
1601 dst[4 * j + 3] = s->avctx->pix_fmt == AV_PIX_FMT_RGBA ? src[x * j + 4] : 255;
1604 dst += p->linesize[plane];
1606 av_freep(&five_planes);
1607 } else if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
1608 s->avctx->pix_fmt == AV_PIX_FMT_RGBA64BE) {
1609 dst = p->data[plane];
1610 for (i = 0; i < s->height; i++) {
1611 for (j = 0; j < s->width; j++) {
1612 uint64_t k = 65535 - AV_RB16(dst + 8 * j + 6);
1613 uint64_t r = (65535 - AV_RB16(dst + 8 * j )) * k;
1614 uint64_t g = (65535 - AV_RB16(dst + 8 * j + 2)) * k;
1615 uint64_t b = (65535 - AV_RB16(dst + 8 * j + 4)) * k;
1616 AV_WB16(dst + 8 * j , r * 65537 >> 32);
1617 AV_WB16(dst + 8 * j + 2, g * 65537 >> 32);
1618 AV_WB16(dst + 8 * j + 4, b * 65537 >> 32);
1619 AV_WB16(dst + 8 * j + 6, 65535);
1621 dst += p->linesize[plane];
1626 if (s->planar && s->bppcount > 2) {
1627 FFSWAP(uint8_t*, p->data[0], p->data[2]);
1628 FFSWAP(int, p->linesize[0], p->linesize[2]);
1629 FFSWAP(uint8_t*, p->data[0], p->data[1]);
1630 FFSWAP(int, p->linesize[0], p->linesize[1]);
1633 if (s->is_bayer && s->white_level && s->bpp == 16) {
1634 uint16_t *dst = (uint16_t *)p->data[0];
1635 for (i = 0; i < s->height; i++) {
1636 for (j = 0; j < s->width; j++)
1637 dst[j] = FFMIN((dst[j] / (float)s->white_level) * 65535, 65535);
1647 static av_cold int tiff_init(AVCodecContext *avctx)
1649 TiffContext *s = avctx->priv_data;
1654 s->subsampling[1] = 1;
1656 ff_lzw_decode_open(&s->lzw);
1658 return AVERROR(ENOMEM);
1659 ff_ccitt_unpack_init();
1664 static av_cold int tiff_end(AVCodecContext *avctx)
1666 TiffContext *const s = avctx->priv_data;
1670 ff_lzw_decode_close(&s->lzw);
1671 av_freep(&s->deinvert_buf);
1672 s->deinvert_buf_size = 0;
1673 av_freep(&s->yuv_line);
1674 s->yuv_line_size = 0;
1675 av_freep(&s->fax_buffer);
1676 s->fax_buffer_size = 0;
1680 #define OFFSET(x) offsetof(TiffContext, x)
1681 static const AVOption tiff_options[] = {
1682 { "subimage", "decode subimage instead if available", OFFSET(get_subimage), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM },
1683 { "thumbnail", "decode embedded thumbnail subimage instead if available", OFFSET(get_thumbnail), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM },
1684 { "page", "page number of multi-page image to decode (starting from 1)", OFFSET(get_page), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM },
1688 static const AVClass tiff_decoder_class = {
1689 .class_name = "TIFF decoder",
1690 .item_name = av_default_item_name,
1691 .option = tiff_options,
1692 .version = LIBAVUTIL_VERSION_INT,
1695 AVCodec ff_tiff_decoder = {
1697 .long_name = NULL_IF_CONFIG_SMALL("TIFF image"),
1698 .type = AVMEDIA_TYPE_VIDEO,
1699 .id = AV_CODEC_ID_TIFF,
1700 .priv_data_size = sizeof(TiffContext),
1703 .decode = decode_frame,
1704 .init_thread_copy = ONLY_IF_THREADS_ENABLED(tiff_init),
1705 .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
1706 .priv_class = &tiff_decoder_class,