32 #define LZMA_API_STATIC 116 #define RET_GEOKEY(TYPE, array, element)\ 117 if (key >= TIFF_##TYPE##_KEY_ID_OFFSET &&\ 118 key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_name_type_map))\ 119 return ff_tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element; 164 #define RET_GEOKEY_VAL(TYPE, array)\ 165 if (val >= TIFF_##TYPE##_OFFSET &&\ 166 val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_codes))\ 167 return av_strdup(ff_tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]); 219 snprintf(ap, 14,
"Unknown-%d", val);
227 uint64_t component_len;
228 if (!sep) sep =
", ";
229 component_len = 24LL + strlen(sep);
230 if (count >= (INT_MAX - 1)/component_len)
232 ap =
av_malloc(component_len * count + 1);
237 for (i = 0; i <
count; i++) {
238 unsigned l =
snprintf(ap, component_len,
"%.15g%s", dp[i], sep);
239 if(l >= component_len) {
245 ap0[strlen(ap0) - strlen(sep)] =
'\0';
267 while (--width >= 0) {
268 dst[(width+
offset)*8+7] = (usePtr ? src[width] : c) & 0x1;
269 dst[(width+
offset)*8+6] = (usePtr ? src[width] : c) >> 1 & 0x1;
270 dst[(width+
offset)*8+5] = (usePtr ? src[width] : c) >> 2 & 0x1;
271 dst[(width+
offset)*8+4] = (usePtr ? src[width] : c) >> 3 & 0x1;
272 dst[(width+
offset)*8+3] = (usePtr ? src[width] : c) >> 4 & 0x1;
273 dst[(width+
offset)*8+2] = (usePtr ? src[width] : c) >> 5 & 0x1;
274 dst[(width+
offset)*8+1] = (usePtr ? src[width] : c) >> 6 & 0x1;
275 dst[(width+
offset)*8+0] = (usePtr ? src[width] : c) >> 7;
279 while (--width >= 0) {
280 dst[(width+
offset)*4+3] = (usePtr ? src[width] : c) & 0x3;
281 dst[(width+
offset)*4+2] = (usePtr ? src[width] : c) >> 2 & 0x3;
282 dst[(width+
offset)*4+1] = (usePtr ? src[width] : c) >> 4 & 0x3;
283 dst[(width+
offset)*4+0] = (usePtr ? src[width] : c) >> 6;
287 while (--width >= 0) {
288 dst[(width+
offset)*2+1] = (usePtr ? src[width] : c) & 0xF;
289 dst[(width+
offset)*2+0] = (usePtr ? src[width] : c) >> 4;
293 uint16_t *dst16 = (uint16_t *)dst;
296 for (
int i = 0;
i < s->
width;
i++) {
303 memcpy(dst + offset, src, width);
305 memset(dst + offset, c, width);
317 for (i = 0; i <
size; i++)
327 uint16_t *dst = (uint16_t *)(p->
data[0] + lnum * p->
linesize[0]);
331 for (
int i = 0;
i < s->
width;
i++) {
344 for (i = 0; i <
w; i++) {
353 for (i = 0; i <
w; i++) {
368 z_stream zstream = { 0 };
372 zstream.avail_in =
size;
373 zstream.next_out = dst;
374 zstream.avail_out = *
len;
375 zret = inflateInit(&zstream);
380 zret =
inflate(&zstream, Z_SYNC_FLUSH);
381 inflateEnd(&zstream);
382 *
len = zstream.total_out;
383 return zret == Z_STREAM_END ? Z_OK : zret;
388 int strip_start,
int is_yuv)
391 unsigned long outlen;
393 outlen =
width * lines;
404 ret = tiff_uncompress(zbuf, &outlen,
src,
size);
407 "Uncompressing failed (%lu of %lu) with error %d\n", outlen,
408 (
unsigned long)
width * lines, ret);
413 for (line = 0; line < lines; line++) {
435 lzma_stream stream = LZMA_STREAM_INIT;
439 stream.avail_in =
size;
440 stream.next_out = dst;
441 stream.avail_out = *
len;
442 ret = lzma_stream_decoder(&stream, UINT64_MAX, 0);
443 if (ret != LZMA_OK) {
447 ret = lzma_code(&stream, LZMA_RUN);
449 *
len = stream.total_out;
450 return ret == LZMA_STREAM_END ? LZMA_OK : ret;
455 int strip_start,
int is_yuv)
457 uint64_t outlen =
width * (uint64_t)lines;
469 ret = tiff_uncompress_lzma(buf, &outlen,
src,
size);
470 if (ret != LZMA_OK) {
472 "Uncompressing failed (%"PRIu64
" of %"PRIu64
") with error %d\n", outlen,
473 (uint64_t)
width * lines, ret);
478 for (line = 0; line < lines; line++) {
508 "Error allocating temporary buffer\n");
513 memcpy(src2, src, size);
515 for (i = 0; i <
size; i++)
522 for (line = 0; line < lines; line++) {
564 width = (s->
bpp * s->
width + 7) >> 3;
578 return tiff_unpack_zlib(s, p, dst, stride, src, size, width, lines,
579 strip_start, is_yuv);
582 "zlib support not enabled, " 583 "deflate compression not supported\n");
589 return tiff_unpack_lzma(s, p, dst, stride, src, size, width, lines,
590 strip_start, is_yuv);
593 "LZMA support not enabled\n");
603 if (size > 1 && !src[0] && (src[1]&1)) {
610 for (line = 0; line < lines; line++) {
612 if (pixels < width) {
641 for (line = 0; line < lines; line++) {
642 if (src - ssrc > size) {
652 if (ssrc + size - src < width)
657 dst, 1, src, 0, width, 0);
660 for (i = 0; i <
width; i++)
666 for (pixels = 0; pixels <
width;) {
667 if (ssrc + size - src < 2) {
674 if (pixels + code > width ||
675 ssrc + size - src < code) {
677 "Copy went out of bounds\n");
681 dst, 1, src, 0, code, pixels);
684 }
else if (code != -128) {
686 if (pixels + code > width) {
688 "Run went out of bounds\n");
693 dst, 0,
NULL, c, code, pixels);
699 for (i = 0; i <
width; i++)
718 int create_gray_palette = 0;
723 "Unsupported image parameters: bpp=%d, bppcount=%d\n",
738 create_gray_palette = 1;
845 "bpp=40 without PHOTOMETRIC_SEPARATED is unsupported\n");
869 "This format is not supported (bpp=%d, bppcount=%d)\n",
892 if (!create_gray_palette)
897 uint32_t *pal = (uint32_t *)frame->
f->
data[1];
898 for (i = 0; i < 1<<s->
bpp; i++)
899 pal[i] = 0xFFU << 24 | i * 255 / ((1<<s->
bpp) - 1) * 0x010101;
908 s->
res[offset++] = num;
911 uint64_t num = s->
res[2] * (uint64_t)s->
res[1];
912 uint64_t den = s->
res[0] * (uint64_t)s->
res[3];
913 if (num > INT64_MAX || den > INT64_MAX) {
918 num, den, INT32_MAX);
970 "This format is not supported (bpp=%d, %d components)\n",
985 for (i = 0; i <
count; i++)
996 "Samples per pixel requires a single value, many provided\n");
1001 "Samples per pixel %d is too large\n", value);
1048 if (!value || (type ==
TIFF_LONG && value == UINT_MAX))
1054 if (value > INT_MAX) {
1056 "strippos %u too large\n", value);
1070 if (value > INT_MAX) {
1072 "stripsize %u too large\n", value);
1086 set_sar(s, tag, value, value2);
1108 if (count != 2 || (
ff_tget(&s->
gb, type, s->
le) != 2 &&
1140 "PhotometricInterpretation 0x%04X",
1145 "unknown\n", value);
1150 if (value < 1 || value > 2) {
1152 "Unknown FillOrder value %d, trying default one\n", value);
1160 if (count / 3 > 256 ||
1164 pal_gb[0] = pal_gb[1] = pal_gb[2] = s->
gb;
1174 for (i = 0; i < count / 3; i++) {
1175 uint32_t p = 0xFF000000;
1176 p |= (
ff_tget(&pal_gb[0], type, s->
le) >> off) << 16;
1177 p |= (
ff_tget(&pal_gb[1], type, s->
le) >> off) << 8;
1178 p |=
ff_tget(&pal_gb[2], type, s->
le) >> off;
1192 for (i = 0; i <
count; i++) {
1209 #define ADD_METADATA(count, name, sep)\ 1210 if ((ret = add_metadata(count, type, name, sep, s, frame)) < 0) {\ 1211 av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");\ 1258 if (count >= INT_MAX /
sizeof(int64_t))
1267 for (i = 0; i <
count; i++)
1357 unsigned int ver[4];
1364 ver[0], ver[1], ver[2], ver[3]);
1379 "Unknown or unsupported tag %d/0x%0X\n",
1387 "This format is not supported (bpp=%d, %d components)\n",
1402 unsigned off, last_off;
1405 unsigned soff, ssize;
1409 int retry_for_subifd, retry_for_page;
1417 }
else if (off >= UINT_MAX - 14 || avpkt->
size < off + 14) {
1442 for (i = 0; i < entries; i++) {
1458 if (retry_for_page) {
1461 }
else if (retry_for_subifd) {
1466 if (retry_for_subifd || retry_for_page) {
1471 if (off <= last_off) {
1475 if (off >= UINT_MAX - 14 || avpkt->
size < off + 14) {
1532 for (plane = 0; plane <
planes; plane++) {
1534 int remaining = avpkt->
size;
1540 stride = stride * 5 / 4;
1546 for (i = 0; i < s->
height; i += s->
rps) {
1559 if (soff > avpkt->
size || ssize > avpkt->
size - soff || ssize > remaining) {
1581 dst = five_planes ? five_planes : p->
data[
plane];
1585 ssize = s->
width * soff;
1592 for (i = 0; i < decoded_height; i++) {
1593 for (j = soff; j < ssize; j += 2)
1603 for (i = 0; i < decoded_height; i++) {
1604 for (j = soff; j < ssize; j += 2)
1609 for (i = 0; i < decoded_height; i++) {
1610 for (j = soff; j < ssize; j++)
1611 dst[j] += dst[j - soff];
1620 for (i = 0; i < s->
height; i++) {
1621 for (j = 0; j <
stride; j++)
1622 dst[j] = c - dst[j];
1632 for (i = 0; i < s->
height; i++) {
1633 for (j = 0; j < s->
width; j++) {
1634 int k = 255 - src[x * j + 3];
1635 int r = (255 - src[x * j ]) * k;
1636 int g = (255 - src[x * j + 1]) * k;
1637 int b = (255 - src[x * j + 2]) * k;
1638 dst[4 * j ] = r * 257 >> 16;
1639 dst[4 * j + 1] = g * 257 >> 16;
1640 dst[4 * j + 2] = b * 257 >> 16;
1650 for (i = 0; i < s->
height; i++) {
1651 for (j = 0; j < s->
width; j++) {
1652 uint64_t k = 65535 -
AV_RB16(dst + 8 * j + 6);
1653 uint64_t
r = (65535 -
AV_RB16(dst + 8 * j )) * k;
1654 uint64_t
g = (65535 -
AV_RB16(dst + 8 * j + 2)) * k;
1655 uint64_t
b = (65535 -
AV_RB16(dst + 8 * j + 4)) * k;
1656 AV_WB16(dst + 8 * j , r * 65537 >> 32);
1657 AV_WB16(dst + 8 * j + 2, g * 65537 >> 32);
1658 AV_WB16(dst + 8 * j + 4, b * 65537 >> 32);
1659 AV_WB16(dst + 8 * j + 6, 65535);
1674 uint16_t *dst = (uint16_t *)p->
data[0];
1676 for (j = 0; j < s->
width; j++)
1720 #define OFFSET(x) offsetof(TiffContext, x)
int ff_lzw_decode(LZWState *p, uint8_t *buf, int len)
Decode given number of bytes NOTE: the algorithm here is inspired from the LZW GIF decoder written by...
const char const char void * val
static const struct @314 planes[]
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
const TiffGeoTagKeyName ff_tiff_projection_codes[]
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
TiffPhotometric
list of TIFF, TIFF/AP and DNG PhotometricInterpretation (TIFF_PHOTOMETRIC) values ...
8 bits gray, 8 bits alpha
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
static int init_thread_copy(AVCodecContext *avctx)
#define LIBAVUTIL_VERSION_INT
packed RGB 8:8:8, 24bpp, RGBRGB...
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
int ff_tadd_doubles_metadata(int count, const char *name, const char *sep, GetByteContext *gb, int le, AVDictionary **metadata)
Adds count doubles converted to a string into the metadata dictionary.
static av_cold int init(AVCodecContext *avctx)
const uint8_t ff_reverse[256]
#define avpriv_request_sample(...)
bayer, GBGB..(odd line), RGRG..(even line), 8-bit samples */
bayer, GRGR..(odd line), BGBG..(even line), 8-bit samples */
TIFF constants & data structures.
static av_always_inline void bytestream2_init_writer(PutByteContext *p, uint8_t *buf, int buf_size)
const char * av_default_item_name(void *ptr)
Return the context name.
bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, little-endian */
av_cold void ff_lzw_decode_close(LZWState **p)
static const char * search_keyval(const TiffGeoTagKeyName *keys, int n, int id)
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
av_cold void ff_lzw_decode_open(LZWState **p)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
static void free_geotags(TiffContext *const s)
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_malloc but the buffer has additional AV_INPUT_BUFFER_PADDING_SIZE at the end w...
bayer, BGBG..(odd line), GRGR..(even line), 8-bit samples */
unsigned int yuv_line_size
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
static av_always_inline unsigned int bytestream2_get_bufferu(GetByteContext *g, uint8_t *dst, unsigned int size)
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Macro definitions for various function/variable attributes.
static int tiff_unpack_strip(TiffContext *s, AVFrame *p, uint8_t *dst, int stride, const uint8_t *src, int size, int strip_start, int lines)
static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
static const uint8_t type_sizes[14]
sizes of various TIFF field types (string size = 100)
#define AV_PIX_FMT_GRAY12
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
av_cold void ff_ccitt_unpack_init(void)
initialize unpacker code
planar GBRA 4:4:4:4 64bpp, big-endian
#define av_assert0(cond)
assert() equivalent, that is always enabled.
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
8 bits with AV_PIX_FMT_RGB32 palette
#define TIFF_GEO_KEY_USER_DEFINED
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, little-endian */
static av_cold int end(AVCodecContext *avctx)
bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, big-endian */
Multithreading support functions.
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
static av_cold int tiff_init(AVCodecContext *avctx)
planar GBR 4:4:4 48bpp, big-endian
static int add_metadata(int count, int type, const char *name, const char *sep, TiffContext *s, AVFrame *frame)
#define AVERROR_EOF
End of file.
bitstream reader API header.
AVDictionary * metadata
metadata.
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, little-endian */
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
16 bits gray, 16 bits alpha (big-endian)
unsigned int fax_buffer_size
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_cold int tiff_end(AVCodecContext *avctx)
unsigned ff_tget_short(GetByteContext *gb, int le)
Reads a short from the bytestream using given endianness.
static int deinvert_buffer(TiffContext *s, const uint8_t *src, int size)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
unsigned ff_tget(GetByteContext *gb, int type, int le)
Reads a byte from the bytestream using given endianness.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
const char * name
Name of the codec implementation.
static void set_sar(TiffContext *s, unsigned tag, unsigned num, unsigned den)
static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride, const uint8_t *src, int size, int width, int lines)
int ff_ccitt_unpack(AVCodecContext *avctx, const uint8_t *src, int srcsize, uint8_t *dst, int height, int stride, enum TiffCompr compr, int opts)
unpack data compressed with CCITT Group 3 1/2-D or Group 4 method
static const uint8_t offset[127][2]
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
TIFF image based on the TIFF 6.0 or TIFF/EP (ISO 12234-2) specifications.
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
enum TiffPhotometric photometric
const TiffGeoTagKeyName ff_tiff_proj_cs_type_codes[]
uint8_t nb_components
The number of components each pixel has, (1-4)
static const AVOption tiff_options[]
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
int width
picture width / height.
unsigned ff_tget_long(GetByteContext *gb, int le)
Reads a long from the bytestream using given endianness.
static void unpack_yuv(TiffContext *s, AVFrame *p, const uint8_t *src, int lnum)
static void tiff_set_type(TiffContext *s, enum TiffType tiff_type)
#define AV_EF_EXPLODE
abort decoding on minor error detection
static void av_always_inline horizontal_fill(TiffContext *s, unsigned int bpp, uint8_t *dst, int usePtr, const uint8_t *src, uint8_t c, int width, int offset)
#define FF_ARRAY_ELEMS(a)
#define TIFF_GEO_KEY_UNDEFINED
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static av_always_inline int bytestream2_seek_p(PutByteContext *p, int offset, int whence)
static av_always_inline int bytestream2_tell(GetByteContext *g)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
TiffType
TIFF types in ascenting priority (last in the list is highest)
#define AV_LOG_INFO
Standard information.
static const char * get_geokey_name(int key)
TiffCompr
list of TIFF, TIFF/EP and DNG compression types
char * av_strdup(const char *s)
Duplicate a string.
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
Wrapper around get_buffer() for frame-multithreaded codecs.
#define AV_OPT_FLAG_VIDEO_PARAM
bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, big-endian */
main external API structure.
bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, big-endian */
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Describe the class of an AVClass context structure.
static void inflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Rational number (pair of numerator and denominator).
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Digital Negative (DNG) image part of an CinemaDNG image sequence.
bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, big-endian */
static int get_geokey_type(int key)
int ff_tadd_shorts_metadata(int count, const char *name, const char *sep, GetByteContext *gb, int le, int is_signed, AVDictionary **metadata)
Adds count shorts converted to a string into the metadata dictionary.
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, little-endian */
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal api header.
static char * get_geokey_val(int key, int val)
static av_always_inline unsigned int bytestream2_get_eof(PutByteContext *p)
planar GBRA 4:4:4:4 32bpp
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
static char * doubles2str(double *dp, int count, const char *sep)
bayer, RGRG..(odd line), GBGB..(even line), 8-bit samples */
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
int ff_lzw_decode_init(LZWState *p, int csize, const uint8_t *buf, int buf_size, int mode)
Initialize LZW decoder.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
#define RET_GEOKEY_VAL(TYPE, array)
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
int ff_tadd_string_metadata(int count, const char *name, GetByteContext *gb, int le, AVDictionary **metadata)
Adds a string of count characters into the metadata dictionary.
Digital Negative (DNG) image.
Y , 16bpp, little-endian.
static av_always_inline int bytestream2_seek(GetByteContext *g, int offset, int whence)
16 bits gray, 16 bits alpha (little-endian)
static const AVClass tiff_decoder_class
int ff_tread_tag(GetByteContext *gb, int le, unsigned *tag, unsigned *type, unsigned *count, int *next)
Reads the first 3 fields of a TIFF tag, which are the tag id, the tag type and the count of values fo...
#define RET_GEOKEY(TYPE, array, element)
int ff_tdecode_header(GetByteContext *gb, int *le, int *ifd_offset)
Decodes a TIFF header from the input bytestream and sets the endianness in *le and the offset to the ...
static int init_image(TiffContext *s, ThreadFrame *frame)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
planar GBR 4:4:4 48bpp, little-endian
#define av_malloc_array(a, b)
#define FFSWAP(type, a, b)
static int cmp_id_key(const void *id, const void *k)
double ff_tget_double(GetByteContext *gb, int le)
Reads a double from the bytestream using given endianness.
planar GBRA 4:4:4:4 64bpp, little-endian
#define ADD_METADATA(count, name, sep)
This structure stores compressed data.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
CCITT Fax Group 3 and 4 decompression.
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
static void unpack_gray(TiffContext *s, AVFrame *p, const uint8_t *src, int lnum, int width, int bpp)
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().