#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
+#include "libavutil/error.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "mathops.h"
#include "tiff.h"
#include "tiff_data.h"
+#include "mjpegdec.h"
#include "thread.h"
#include "get_bits.h"
AVCodecContext *avctx;
GetByteContext gb;
+ /* JPEG decoding for DNG */
+ AVCodecContext *avctx_mjpeg; // wrapper context for MJPEG
+ AVPacket *jpkt; // encoded JPEG tile
+ AVFrame *jpgframe; // decoded JPEG tile
+
int get_subimage;
+ uint16_t get_page;
+ int get_thumbnail;
+ enum TiffType tiff_type;
int width, height;
unsigned int bpp, bppcount;
uint32_t palette[256];
int predictor;
int fill_order;
uint32_t res[4];
+ int is_thumbnail;
+ unsigned last_tag;
int is_bayer;
uint8_t pattern[4];
+ unsigned black_level;
unsigned white_level;
+ uint16_t dng_lut[65536];
uint32_t sub_ifd;
+ uint16_t cur_page;
int strips, rps, sstype;
int sot;
int stripsizesoff, stripsize, stripoff, strippos;
LZWState *lzw;
+ /* Tile support */
+ int is_tiled;
+ int tile_byte_counts_offset, tile_offsets_offset;
+ int tile_width, tile_length;
+ int tile_count;
+
+ int is_jpeg;
+
uint8_t *deinvert_buf;
int deinvert_buf_size;
uint8_t *yuv_line;
unsigned int yuv_line_size;
- uint8_t *fax_buffer;
- unsigned int fax_buffer_size;
int geotag_count;
TiffGeoTag *geotags;
} TiffContext;
+static void tiff_set_type(TiffContext *s, enum TiffType tiff_type) {
+ if (s->tiff_type < tiff_type) // Prioritize higher-valued entries
+ s->tiff_type = tiff_type;
+}
+
static void free_geotags(TiffContext *const s)
{
int i;
#define RET_GEOKEY(TYPE, array, element)\
if (key >= TIFF_##TYPE##_KEY_ID_OFFSET &&\
- key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_name_type_map))\
- return ff_tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element;
+ key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(tiff_##array##_name_type_map))\
+ return tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element;
static const char *get_geokey_name(int key)
{
#define RET_GEOKEY_VAL(TYPE, array)\
if (val >= TIFF_##TYPE##_OFFSET &&\
- val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_codes))\
- return av_strdup(ff_tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]);
+ val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(tiff_##array##_codes))\
+ return av_strdup(tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]);
switch (key) {
case TIFF_GT_MODEL_TYPE_GEOKEY:
RET_GEOKEY_VAL(PRIME_MERIDIAN, prime_meridian);
break;
case TIFF_PROJECTED_CS_TYPE_GEOKEY:
- ap = av_strdup(search_keyval(ff_tiff_proj_cs_type_codes, FF_ARRAY_ELEMS(ff_tiff_proj_cs_type_codes), val));
+ ap = av_strdup(search_keyval(tiff_proj_cs_type_codes, FF_ARRAY_ELEMS(tiff_proj_cs_type_codes), val));
if(ap) return ap;
break;
case TIFF_PROJECTION_GEOKEY:
- ap = av_strdup(search_keyval(ff_tiff_projection_codes, FF_ARRAY_ELEMS(ff_tiff_projection_codes), val));
+ ap = av_strdup(search_keyval(tiff_projection_codes, FF_ARRAY_ELEMS(tiff_projection_codes), val));
if(ap) return ap;
break;
case TIFF_PROJ_COORD_TRANS_GEOKEY:
};
}
+/**
+ * Map stored raw sensor values into linear reference values (see: DNG Specification - Chapter 5)
+ */
+static uint16_t av_always_inline dng_process_color16(uint16_t value,
+ const uint16_t *lut,
+ uint16_t black_level,
+ float scale_factor)
+{
+ float value_norm;
+
+ // Lookup table lookup
+ if (lut)
+ value = lut[value];
+
+ // Black level subtraction
+ value = av_clip_uint16_c((unsigned)value - black_level);
+
+ // Color scaling
+ value_norm = (float)value * scale_factor;
+
+ value = av_clip_uint16_c(value_norm * 65535);
+
+ return value;
+}
+
+static uint16_t av_always_inline dng_process_color8(uint16_t value,
+ const uint16_t *lut,
+ uint16_t black_level,
+ float scale_factor)
+{
+ return dng_process_color16(value, lut, black_level, scale_factor) >> 8;
+}
+
+static void av_always_inline dng_blit(TiffContext *s, uint8_t *dst, int dst_stride,
+ const uint8_t *src, int src_stride, int width, int height,
+ int is_single_comp, int is_u16)
+{
+ int line, col;
+ float scale_factor;
+
+ scale_factor = 1.0f / (s->white_level - s->black_level);
+
+ if (is_single_comp) {
+ if (!is_u16)
+ return; /* <= 8bpp unsupported */
+
+ /* Image is double the width and half the height we need, each row comprises 2 rows of the output
+ (split vertically in the middle). */
+ for (line = 0; line < height / 2; line++) {
+ uint16_t *dst_u16 = (uint16_t *)dst;
+ uint16_t *src_u16 = (uint16_t *)src;
+
+ /* Blit first half of input row row to initial row of output */
+ for (col = 0; col < width; col++)
+ *dst_u16++ = dng_process_color16(*src_u16++, s->dng_lut, s->black_level, scale_factor);
+
+ /* Advance the destination pointer by a row (source pointer remains in the same place) */
+ dst += dst_stride * sizeof(uint16_t);
+ dst_u16 = (uint16_t *)dst;
+
+ /* Blit second half of input row row to next row of output */
+ for (col = 0; col < width; col++)
+ *dst_u16++ = dng_process_color16(*src_u16++, s->dng_lut, s->black_level, scale_factor);
+
+ dst += dst_stride * sizeof(uint16_t);
+ src += src_stride * sizeof(uint16_t);
+ }
+ } else {
+ /* Input and output image are the same size and the MJpeg decoder has done per-component
+ deinterleaving, so blitting here is straightforward. */
+ if (is_u16) {
+ for (line = 0; line < height; line++) {
+ uint16_t *dst_u16 = (uint16_t *)dst;
+ uint16_t *src_u16 = (uint16_t *)src;
+
+ for (col = 0; col < width; col++)
+ *dst_u16++ = dng_process_color16(*src_u16++, s->dng_lut, s->black_level, scale_factor);
+
+ dst += dst_stride * sizeof(uint16_t);
+ src += src_stride * sizeof(uint16_t);
+ }
+ } else {
+ for (line = 0; line < height; line++) {
+ uint8_t *dst_u8 = dst;
+ const uint8_t *src_u8 = src;
+
+ for (col = 0; col < width; col++)
+ *dst_u8++ = dng_process_color8(*src_u8++, s->dng_lut, s->black_level, scale_factor);
+
+ dst += dst_stride;
+ src += src_stride;
+ }
+ }
+ }
+}
+
static void av_always_inline horizontal_fill(TiffContext *s,
unsigned int bpp, uint8_t* dst,
int usePtr, const uint8_t *src,
dst[(width+offset)*2+0] = (usePtr ? src[width] : c) >> 4;
}
break;
- case 12: {
- uint16_t *dst16 = (uint16_t *)dst;
- GetBitContext gb;
- init_get_bits8(&gb, src, width);
- for (int i = 0; i < s->width; i++) {
- dst16[i] = get_bits(&gb, 12) << 4;
- }
- }
+ case 10:
+ case 12:
+ case 14: {
+ uint16_t *dst16 = (uint16_t *)dst;
+ int is_dng = (s->tiff_type == TIFF_TYPE_DNG || s->tiff_type == TIFF_TYPE_CINEMADNG);
+ uint8_t shift = is_dng ? 0 : 16 - bpp;
+ GetBitContext gb;
+
+ init_get_bits8(&gb, src, width);
+ for (int i = 0; i < s->width; i++) {
+ dst16[i] = get_bits(&gb, bpp) << shift;
+ }
+ }
break;
default:
if (usePtr) {
z_stream zstream = { 0 };
int zret;
- zstream.next_in = (uint8_t *)src;
+ zstream.next_in = src;
zstream.avail_in = size;
zstream.next_out = dst;
zstream.avail_out = *len;
static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
const uint8_t *src, int size, int width, int lines)
{
- int i, ret = 0;
int line;
- uint8_t *src2;
-
- av_fast_padded_malloc(&s->fax_buffer, &s->fax_buffer_size, size);
- src2 = s->fax_buffer;
-
- if (!src2) {
- av_log(s->avctx, AV_LOG_ERROR,
- "Error allocating temporary buffer\n");
- return AVERROR(ENOMEM);
- }
+ int ret;
- if (!s->fill_order) {
- memcpy(src2, src, size);
- } else {
- for (i = 0; i < size; i++)
- src2[i] = ff_reverse[src[i]];
+ if (s->fill_order) {
+ if ((ret = deinvert_buffer(s, src, size)) < 0)
+ return ret;
+ src = s->deinvert_buf;
}
- memset(src2 + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
- ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
+ ret = ff_ccitt_unpack(s->avctx, src, size, dst, lines, stride,
s->compr, s->fax_opts);
if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8)
for (line = 0; line < lines; line++) {
return ret;
}
+static int dng_decode_jpeg(AVCodecContext *avctx, AVFrame *frame,
+ int tile_byte_count, int dst_x, int dst_y, int w, int h)
+{
+ TiffContext *s = avctx->priv_data;
+ uint8_t *dst_data, *src_data;
+ uint32_t dst_offset; /* offset from dst buffer in pixels */
+ int is_single_comp, is_u16, pixel_size;
+ int ret;
+
+ if (tile_byte_count < 0 || tile_byte_count > bytestream2_get_bytes_left(&s->gb))
+ return AVERROR_INVALIDDATA;
+
+ /* Prepare a packet and send to the MJPEG decoder */
+ av_packet_unref(s->jpkt);
+ s->jpkt->data = (uint8_t*)s->gb.buffer;
+ s->jpkt->size = tile_byte_count;
+
+ if (s->is_bayer) {
+ MJpegDecodeContext *mjpegdecctx = s->avctx_mjpeg->priv_data;
+ /* We have to set this information here, there is no way to know if a given JPEG is a DNG-embedded
+ image or not from its own data (and we need that information when decoding it). */
+ mjpegdecctx->bayer = 1;
+ }
+
+ ret = avcodec_send_packet(s->avctx_mjpeg, s->jpkt);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error submitting a packet for decoding\n");
+ return ret;
+ }
+
+ ret = avcodec_receive_frame(s->avctx_mjpeg, s->jpgframe);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "JPEG decoding error: %s.\n", av_err2str(ret));
+
+ /* Normally skip, error if explode */
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ else
+ return 0;
+ }
+
+ is_u16 = (s->bpp > 8);
+
+ /* Copy the outputted tile's pixels from 'jpgframe' to 'frame' (final buffer) */
+
+ if (s->jpgframe->width != s->avctx_mjpeg->width ||
+ s->jpgframe->height != s->avctx_mjpeg->height ||
+ s->jpgframe->format != s->avctx_mjpeg->pix_fmt)
+ return AVERROR_INVALIDDATA;
+
+ /* See dng_blit for explanation */
+ if (s->avctx_mjpeg->width == w * 2 &&
+ s->avctx_mjpeg->height == h / 2 &&
+ s->avctx_mjpeg->pix_fmt == AV_PIX_FMT_GRAY16LE) {
+ is_single_comp = 1;
+ } else if (s->avctx_mjpeg->width >= w &&
+ s->avctx_mjpeg->height >= h &&
+ s->avctx_mjpeg->pix_fmt == (is_u16 ? AV_PIX_FMT_GRAY16 : AV_PIX_FMT_GRAY8)
+ ) {
+ is_single_comp = 0;
+ } else
+ return AVERROR_INVALIDDATA;
+
+ pixel_size = (is_u16 ? sizeof(uint16_t) : sizeof(uint8_t));
+
+ if (is_single_comp && !is_u16) {
+ av_log(s->avctx, AV_LOG_ERROR, "DNGs with bpp <= 8 and 1 component are unsupported\n");
+ av_frame_unref(s->jpgframe);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ dst_offset = dst_x + frame->linesize[0] * dst_y / pixel_size;
+ dst_data = frame->data[0] + dst_offset * pixel_size;
+ src_data = s->jpgframe->data[0];
+
+ dng_blit(s,
+ dst_data,
+ frame->linesize[0] / pixel_size,
+ src_data,
+ s->jpgframe->linesize[0] / pixel_size,
+ w,
+ h,
+ is_single_comp,
+ is_u16);
+
+ av_frame_unref(s->jpgframe);
+
+ return 0;
+}
+
+static int dng_decode_strip(AVCodecContext *avctx, AVFrame *frame)
+{
+ TiffContext *s = avctx->priv_data;
+
+ s->jpgframe->width = s->width;
+ s->jpgframe->height = s->height;
+
+ s->avctx_mjpeg->width = s->width;
+ s->avctx_mjpeg->height = s->height;
+
+ return dng_decode_jpeg(avctx, frame, s->stripsize, 0, 0, s->width, s->height);
+}
+
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)
{
int is_yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) &&
(desc->flags & AV_PIX_FMT_FLAG_PLANAR) &&
desc->nb_components >= 3;
+ int is_dng;
if (s->planar)
width /= s->bppcount;
av_assert0(s->bpp == 24);
}
if (s->is_bayer) {
- width = (s->bpp * s->width + 7) >> 3;
+ av_assert0(width == (s->bpp * s->width + 7) >> 3);
}
if (p->format == AV_PIX_FMT_GRAY12) {
av_fast_padded_malloc(&s->yuv_line, &s->yuv_line_size, width);
bytestream2_init(&s->gb, src, size);
bytestream2_init_writer(&pb, dst, is_yuv ? s->yuv_line_size : (stride * lines));
+ is_dng = (s->tiff_type == TIFF_TYPE_DNG || s->tiff_type == TIFF_TYPE_CINEMADNG);
+
+ /* Decode JPEG-encoded DNGs with strips */
+ if (s->compr == TIFF_NEWJPEG && is_dng) {
+ if (s->strips > 1) {
+ av_log(s->avctx, AV_LOG_ERROR, "More than one DNG JPEG strips unsupported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ if ((ret = dng_decode_strip(s->avctx, p)) < 0)
+ return ret;
+ return 0;
+ }
+
+ if (is_dng && stride == 0)
+ return AVERROR_INVALIDDATA;
+
for (line = 0; line < lines; line++) {
if (src - ssrc > size) {
av_log(s->avctx, AV_LOG_ERROR, "Source data overread\n");
for (i = 0; i < width; i++)
dst[i] = ff_reverse[src[i]];
}
+
+ /* Color processing for DNG images with uncompressed strips (non-tiled) */
+ if (is_dng) {
+ int is_u16, pixel_size_bytes, pixel_size_bits, elements;
+
+ is_u16 = (s->bpp / s->bppcount > 8);
+ pixel_size_bits = (is_u16 ? 16 : 8);
+ pixel_size_bytes = (is_u16 ? sizeof(uint16_t) : sizeof(uint8_t));
+
+ elements = width / pixel_size_bytes * pixel_size_bits / s->bpp * s->bppcount; // need to account for [1, 16] bpp
+ av_assert0 (elements * pixel_size_bytes <= FFABS(stride));
+ dng_blit(s,
+ dst,
+ 0, // no stride, only 1 line
+ dst,
+ 0, // no stride, only 1 line
+ elements,
+ 1,
+ 0, // single-component variation is only preset in JPEG-encoded DNGs
+ is_u16);
+ }
+
src += width;
break;
case TIFF_PACKBITS:
return 0;
}
+static int dng_decode_tiles(AVCodecContext *avctx, AVFrame *frame,
+ const AVPacket *avpkt)
+{
+ TiffContext *s = avctx->priv_data;
+ int tile_idx;
+ int tile_offset_offset, tile_offset;
+ int tile_byte_count_offset, tile_byte_count;
+ int tile_count_x, tile_count_y;
+ int tile_width, tile_length;
+ int has_width_leftover, has_height_leftover;
+ int tile_x = 0, tile_y = 0;
+ int pos_x = 0, pos_y = 0;
+ int ret;
+
+ s->jpgframe->width = s->tile_width;
+ s->jpgframe->height = s->tile_length;
+
+ s->avctx_mjpeg->width = s->tile_width;
+ s->avctx_mjpeg->height = s->tile_length;
+
+ has_width_leftover = (s->width % s->tile_width != 0);
+ has_height_leftover = (s->height % s->tile_length != 0);
+
+ /* Calculate tile counts (round up) */
+ tile_count_x = (s->width + s->tile_width - 1) / s->tile_width;
+ tile_count_y = (s->height + s->tile_length - 1) / s->tile_length;
+
+ /* Iterate over the number of tiles */
+ for (tile_idx = 0; tile_idx < s->tile_count; tile_idx++) {
+ tile_x = tile_idx % tile_count_x;
+ tile_y = tile_idx / tile_count_x;
+
+ if (has_width_leftover && tile_x == tile_count_x - 1) // If on the right-most tile
+ tile_width = s->width % s->tile_width;
+ else
+ tile_width = s->tile_width;
+
+ if (has_height_leftover && tile_y == tile_count_y - 1) // If on the bottom-most tile
+ tile_length = s->height % s->tile_length;
+ else
+ tile_length = s->tile_length;
+
+ /* Read tile offset */
+ tile_offset_offset = s->tile_offsets_offset + tile_idx * sizeof(int);
+ bytestream2_seek(&s->gb, tile_offset_offset, SEEK_SET);
+ tile_offset = ff_tget_long(&s->gb, s->le);
+
+ /* Read tile byte size */
+ tile_byte_count_offset = s->tile_byte_counts_offset + tile_idx * sizeof(int);
+ bytestream2_seek(&s->gb, tile_byte_count_offset, SEEK_SET);
+ tile_byte_count = ff_tget_long(&s->gb, s->le);
+
+ /* Seek to tile data */
+ bytestream2_seek(&s->gb, tile_offset, SEEK_SET);
+
+ /* Decode JPEG tile and copy it in the reference frame */
+ ret = dng_decode_jpeg(avctx, frame, tile_byte_count, pos_x, pos_y, tile_width, tile_length);
+
+ if (ret < 0)
+ return ret;
+
+ /* Advance current positions */
+ pos_x += tile_width;
+ if (tile_x == tile_count_x - 1) { // If on the right edge
+ pos_x = 0;
+ pos_y += tile_length;
+ }
+ }
+
+ /* Frame is ready to be output */
+ frame->pict_type = AV_PICTURE_TYPE_I;
+ frame->key_frame = 1;
+
+ return avpkt->size;
+}
+
static int init_image(TiffContext *s, ThreadFrame *frame)
{
int ret;
return AVERROR_PATCHWELCOME;
}
break;
+ case 10101:
case 10121:
- switch (AV_RL32(s->pattern)) {
- case 0x02010100:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_RGGB16LE : AV_PIX_FMT_BAYER_RGGB16BE;
- break;
- case 0x00010102:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_BGGR16LE : AV_PIX_FMT_BAYER_BGGR16BE;
- break;
- case 0x01000201:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GBRG16LE : AV_PIX_FMT_BAYER_GBRG16BE;
- break;
- case 0x01020001:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GRBG16LE : AV_PIX_FMT_BAYER_GRBG16BE;
- break;
- default:
- av_log(s->avctx, AV_LOG_ERROR, "Unsupported Bayer pattern: 0x%X\n",
- AV_RL32(s->pattern));
- return AVERROR_PATCHWELCOME;
- }
- break;
+ case 10141:
case 10161:
switch (AV_RL32(s->pattern)) {
case 0x02010100:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_RGGB16LE : AV_PIX_FMT_BAYER_RGGB16BE;
+ s->avctx->pix_fmt = AV_PIX_FMT_BAYER_RGGB16;
break;
case 0x00010102:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_BGGR16LE : AV_PIX_FMT_BAYER_BGGR16BE;
+ s->avctx->pix_fmt = AV_PIX_FMT_BAYER_BGGR16;
break;
case 0x01000201:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GBRG16LE : AV_PIX_FMT_BAYER_GBRG16BE;
+ s->avctx->pix_fmt = AV_PIX_FMT_BAYER_GBRG16;
break;
case 0x01020001:
- s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_GRBG16LE : AV_PIX_FMT_BAYER_GRBG16BE;
+ s->avctx->pix_fmt = AV_PIX_FMT_BAYER_GRBG16;
break;
default:
av_log(s->avctx, AV_LOG_ERROR, "Unsupported Bayer pattern: 0x%X\n",
case 324:
s->avctx->pix_fmt = s->photometric == TIFF_PHOTOMETRIC_SEPARATED ? AV_PIX_FMT_RGB0 : AV_PIX_FMT_RGBA;
break;
+ case 405:
+ if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED)
+ s->avctx->pix_fmt = AV_PIX_FMT_RGBA;
+ else {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "bpp=40 without PHOTOMETRIC_SEPARATED is unsupported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ break;
case 483:
s->avctx->pix_fmt = s->le ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB48BE;
break;
static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
{
- unsigned tag, type, count, off, value = 0, value2 = 0;
+ AVFrameSideData *sd;
+ GetByteContext gb_temp;
+ unsigned tag, type, count, off, value = 0, value2 = 1; // value2 is a denominator so init. to 1
int i, start;
int pos;
int ret;
if (ret < 0) {
goto end;
}
+ if (tag <= s->last_tag)
+ return AVERROR_INVALIDDATA;
+
+ // We ignore TIFF_STRIP_SIZE as it is sometimes in the logic but wrong order around TIFF_STRIP_OFFS
+ if (tag != TIFF_STRIP_SIZE)
+ s->last_tag = tag;
off = bytestream2_tell(&s->gb);
if (count == 1) {
case TIFF_RATIONAL:
value = ff_tget(&s->gb, TIFF_LONG, s->le);
value2 = ff_tget(&s->gb, TIFF_LONG, s->le);
+ if (!value2) {
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid denominator in rational\n");
+ return AVERROR_INVALIDDATA;
+ }
+
break;
case TIFF_STRING:
if (count <= 4) {
}
switch (tag) {
+ case TIFF_SUBFILE:
+ s->is_thumbnail = (value != 0);
+ break;
case TIFF_WIDTH:
s->width = value;
break;
s->height = value;
break;
case TIFF_BPP:
- if (count > 4U) {
+ if (count > 5 || count <= 0) {
av_log(s->avctx, AV_LOG_ERROR,
"This format is not supported (bpp=%d, %d components)\n",
value, count);
"Samples per pixel requires a single value, many provided\n");
return AVERROR_INVALIDDATA;
}
- if (value > 4U) {
+ if (value > 5 || value <= 0) {
av_log(s->avctx, AV_LOG_ERROR,
- "Samples per pixel %d is too large\n", value);
+ "Invalid samples per pixel %d\n", value);
return AVERROR_INVALIDDATA;
}
if (s->bppcount == 1)
#endif
case TIFF_JPEG:
case TIFF_NEWJPEG:
- avpriv_report_missing_feature(s->avctx, "JPEG compression");
- return AVERROR_PATCHWELCOME;
+ s->is_jpeg = 1;
+ break;
case TIFF_LZMA:
#if CONFIG_LZMA
break;
case TIFF_YRES:
set_sar(s, tag, value, value2);
break;
+ case TIFF_TILE_OFFSETS:
+ s->tile_offsets_offset = off;
+ s->tile_count = count;
+ s->is_tiled = 1;
+ break;
case TIFF_TILE_BYTE_COUNTS:
+ s->tile_byte_counts_offset = off;
+ break;
case TIFF_TILE_LENGTH:
- case TIFF_TILE_OFFSETS:
+ s->tile_length = value;
+ break;
case TIFF_TILE_WIDTH:
- av_log(s->avctx, AV_LOG_ERROR, "Tiled images are not supported\n");
- return AVERROR_PATCHWELCOME;
+ s->tile_width = value;
break;
case TIFF_PREDICTOR:
s->predictor = value;
break;
case TIFF_SUB_IFDS:
- s->sub_ifd = value;
+ if (count == 1)
+ s->sub_ifd = value;
+ else if (count > 1)
+ s->sub_ifd = ff_tget(&s->gb, TIFF_LONG, s->le); /** Only get the first SubIFD */
+ break;
+ case DNG_LINEARIZATION_TABLE:
+ if (count > FF_ARRAY_ELEMS(s->dng_lut))
+ return AVERROR_INVALIDDATA;
+ for (int i = 0; i < count; i++)
+ s->dng_lut[i] = ff_tget(&s->gb, type, s->le);
+ break;
+ case DNG_BLACK_LEVEL:
+ if (count > 1) { /* Use the first value in the pattern (assume they're all the same) */
+ if (type == TIFF_RATIONAL) {
+ value = ff_tget(&s->gb, TIFF_LONG, s->le);
+ value2 = ff_tget(&s->gb, TIFF_LONG, s->le);
+ if (!value2) {
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid black level denominator\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ s->black_level = value / value2;
+ } else
+ s->black_level = ff_tget(&s->gb, type, s->le);
+ av_log(s->avctx, AV_LOG_WARNING, "Assuming black level pattern values are identical\n");
+ } else {
+ s->black_level = value / value2;
+ }
break;
- case TIFF_WHITE_LEVEL:
+ case DNG_WHITE_LEVEL:
s->white_level = value;
break;
case TIFF_CFA_PATTERN_DIM:
case TIFF_PHOTOMETRIC_SEPARATED:
case TIFF_PHOTOMETRIC_YCBCR:
case TIFF_PHOTOMETRIC_CFA:
+ case TIFF_PHOTOMETRIC_LINEAR_RAW: // Used by DNG images
s->photometric = value;
break;
case TIFF_PHOTOMETRIC_ALPHA_MASK:
case TIFF_PHOTOMETRIC_ITU_LAB:
case TIFF_PHOTOMETRIC_LOG_L:
case TIFF_PHOTOMETRIC_LOG_LUV:
- case TIFF_PHOTOMETRIC_LINEAR_RAW:
avpriv_report_missing_feature(s->avctx,
"PhotometricInterpretation 0x%04X",
value);
break;
case TIFF_GEO_KEY_DIRECTORY:
if (s->geotag_count) {
- avpriv_request_sample(s->avctx, "Multiple geo key directories\n");
+ avpriv_request_sample(s->avctx, "Multiple geo key directories");
return AVERROR_INVALIDDATA;
}
ADD_METADATA(1, "GeoTIFF_Version", NULL);
}
}
break;
+ case TIFF_ICC_PROFILE:
+ gb_temp = s->gb;
+ bytestream2_seek(&gb_temp, SEEK_SET, off);
+
+ if (bytestream2_get_bytes_left(&gb_temp) < count)
+ return AVERROR_INVALIDDATA;
+
+ sd = av_frame_new_side_data(frame, AV_FRAME_DATA_ICC_PROFILE, count);
+ if (!sd)
+ return AVERROR(ENOMEM);
+
+ bytestream2_get_bufferu(&gb_temp, sd->data, count);
+ break;
case TIFF_ARTIST:
ADD_METADATA(count, "artist", NULL);
break;
break;
case TIFF_PAGE_NUMBER:
ADD_METADATA(count, "page_number", " / ");
+ // need to seek back to re-read the page number
+ bytestream2_seek(&s->gb, -count * sizeof(uint16_t), SEEK_CUR);
+ // read the page number
+ s->cur_page = ff_tget(&s->gb, TIFF_SHORT, s->le);
+ // get back to where we were before the previous seek
+ bytestream2_seek(&s->gb, count * sizeof(uint16_t) - sizeof(uint16_t), SEEK_CUR);
break;
case TIFF_SOFTWARE_NAME:
ADD_METADATA(count, "software", NULL);
break;
+ case DNG_VERSION:
+ if (count == 4) {
+ unsigned int ver[4];
+ ver[0] = ff_tget(&s->gb, type, s->le);
+ ver[1] = ff_tget(&s->gb, type, s->le);
+ ver[2] = ff_tget(&s->gb, type, s->le);
+ ver[3] = ff_tget(&s->gb, type, s->le);
+
+ av_log(s->avctx, AV_LOG_DEBUG, "DNG file, version %u.%u.%u.%u\n",
+ ver[0], ver[1], ver[2], ver[3]);
+
+ tiff_set_type(s, TIFF_TYPE_DNG);
+ }
+ break;
+ case CINEMADNG_TIME_CODES:
+ case CINEMADNG_FRAME_RATE:
+ case CINEMADNG_T_STOP:
+ case CINEMADNG_REEL_NAME:
+ case CINEMADNG_CAMERA_LABEL:
+ tiff_set_type(s, TIFF_TYPE_CINEMADNG);
+ break;
default:
if (s->avctx->err_recognition & AV_EF_EXPLODE) {
av_log(s->avctx, AV_LOG_ERROR,
TiffContext *const s = avctx->priv_data;
AVFrame *const p = data;
ThreadFrame frame = { .f = data };
- unsigned off;
+ unsigned off, last_off;
int le, ret, plane, planes;
int i, j, entries, stride;
unsigned soff, ssize;
uint8_t *dst;
GetByteContext stripsizes;
GetByteContext stripdata;
+ int retry_for_subifd, retry_for_page;
+ int is_dng;
+ int has_tile_bits, has_strip_bits;
bytestream2_init(&s->gb, avpkt->data, avpkt->size);
}
s->le = le;
// TIFF_BPP is not a required tag and defaults to 1
+
+ s->tiff_type = TIFF_TYPE_TIFF;
again:
+ s->is_thumbnail = 0;
s->bppcount = s->bpp = 1;
s->photometric = TIFF_PHOTOMETRIC_NONE;
s->compr = TIFF_RAW;
s->fill_order = 0;
s->white_level = 0;
s->is_bayer = 0;
+ s->is_tiled = 0;
+ s->is_jpeg = 0;
+ s->cur_page = 0;
+ s->last_tag = 0;
+
+ for (i = 0; i < 65536; i++)
+ s->dng_lut[i] = i;
+
free_geotags(s);
// Reset these offsets so we can tell if they were set this frame
return ret;
}
- if (s->sub_ifd && s->get_subimage) {
+ if (s->get_thumbnail && !s->is_thumbnail) {
+ av_log(avctx, AV_LOG_INFO, "No embedded thumbnail present\n");
+ return AVERROR_EOF;
+ }
+
+ /** whether we should process this IFD's SubIFD */
+ retry_for_subifd = s->sub_ifd && (s->get_subimage || (!s->get_thumbnail && s->is_thumbnail));
+ /** whether we should process this multi-page IFD's next page */
+ retry_for_page = s->get_page && s->cur_page + 1 < s->get_page; // get_page is 1-indexed
+
+ last_off = off;
+ if (retry_for_page) {
+ // set offset to the next IFD
+ off = ff_tget_long(&s->gb, le);
+ } else if (retry_for_subifd) {
+ // set offset to the SubIFD
off = s->sub_ifd;
+ }
+
+ if (retry_for_subifd || retry_for_page) {
+ if (!off) {
+ av_log(avctx, AV_LOG_ERROR, "Requested entry not found\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (off <= last_off) {
+ avpriv_request_sample(s->avctx, "non increasing IFD offset");
+ return AVERROR_INVALIDDATA;
+ }
if (off >= UINT_MAX - 14 || avpkt->size < off + 14) {
av_log(avctx, AV_LOG_ERROR, "IFD offset is greater than image size\n");
return AVERROR_INVALIDDATA;
goto again;
}
+ /* At this point we've decided on which (Sub)IFD to process */
+
+ is_dng = (s->tiff_type == TIFF_TYPE_DNG || s->tiff_type == TIFF_TYPE_CINEMADNG);
+
for (i = 0; i<s->geotag_count; i++) {
const char *keyname = get_geokey_name(s->geotags[i].key);
if (!keyname) {
}
}
- if (!s->strippos && !s->stripoff) {
+ if (is_dng) {
+ int bps;
+
+ if (s->bpp % s->bppcount)
+ return AVERROR_INVALIDDATA;
+ bps = s->bpp / s->bppcount;
+ if (bps < 8 || bps > 32)
+ return AVERROR_INVALIDDATA;
+
+ if (s->white_level == 0)
+ s->white_level = (1LL << bps) - 1; /* Default value as per the spec */
+
+ if (s->white_level <= s->black_level) {
+ av_log(avctx, AV_LOG_ERROR, "BlackLevel (%"PRId32") must be less than WhiteLevel (%"PRId32")\n",
+ s->black_level, s->white_level);
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (s->planar)
+ return AVERROR_PATCHWELCOME;
+ }
+
+ if (!s->is_tiled && !s->strippos && !s->stripoff) {
av_log(avctx, AV_LOG_ERROR, "Image data is missing\n");
return AVERROR_INVALIDDATA;
}
+
+ has_tile_bits = s->is_tiled || s->tile_byte_counts_offset || s->tile_offsets_offset || s->tile_width || s->tile_length || s->tile_count;
+ has_strip_bits = s->strippos || s->strips || s->stripoff || s->rps || s->sot || s->sstype || s->stripsize || s->stripsizesoff;
+
+ if (has_tile_bits && has_strip_bits) {
+ int tiled_dng = s->is_tiled && is_dng;
+ av_log(avctx, tiled_dng ? AV_LOG_WARNING : AV_LOG_ERROR, "Tiled TIFF is not allowed to strip\n");
+ if (!tiled_dng)
+ return AVERROR_INVALIDDATA;
+ }
+
/* now we have the data and may start decoding */
if ((ret = init_image(s, &frame)) < 0)
return ret;
- if (s->strips == 1 && !s->stripsize) {
- av_log(avctx, AV_LOG_WARNING, "Image data size missing\n");
- s->stripsize = avpkt->size - s->stripoff;
- }
+ if (!s->is_tiled || has_strip_bits) {
+ if (s->strips == 1 && !s->stripsize) {
+ av_log(avctx, AV_LOG_WARNING, "Image data size missing\n");
+ s->stripsize = avpkt->size - s->stripoff;
+ }
- if (s->stripsizesoff) {
- if (s->stripsizesoff >= (unsigned)avpkt->size)
+ if (s->stripsizesoff) {
+ if (s->stripsizesoff >= (unsigned)avpkt->size)
+ return AVERROR_INVALIDDATA;
+ bytestream2_init(&stripsizes, avpkt->data + s->stripsizesoff,
+ avpkt->size - s->stripsizesoff);
+ }
+ if (s->strippos) {
+ if (s->strippos >= (unsigned)avpkt->size)
+ return AVERROR_INVALIDDATA;
+ bytestream2_init(&stripdata, avpkt->data + s->strippos,
+ avpkt->size - s->strippos);
+ }
+
+ if (s->rps <= 0 || s->rps % s->subsampling[1]) {
+ av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps);
return AVERROR_INVALIDDATA;
- bytestream2_init(&stripsizes, avpkt->data + s->stripsizesoff,
- avpkt->size - s->stripsizesoff);
+ }
}
- if (s->strippos) {
- if (s->strippos >= (unsigned)avpkt->size)
- return AVERROR_INVALIDDATA;
- bytestream2_init(&stripdata, avpkt->data + s->strippos,
- avpkt->size - s->strippos);
+
+ if (s->photometric == TIFF_PHOTOMETRIC_LINEAR_RAW ||
+ s->photometric == TIFF_PHOTOMETRIC_CFA) {
+ p->color_trc = AVCOL_TRC_LINEAR;
+ } else if (s->photometric == TIFF_PHOTOMETRIC_BLACK_IS_ZERO) {
+ p->color_trc = AVCOL_TRC_GAMMA22;
}
- if (s->rps <= 0 || s->rps % s->subsampling[1]) {
- av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps);
- return AVERROR_INVALIDDATA;
+ /* Handle DNG images with JPEG-compressed tiles */
+
+ if (is_dng && s->is_tiled) {
+ if (!s->is_jpeg) {
+ avpriv_report_missing_feature(avctx, "DNG uncompressed tiled images");
+ return AVERROR_PATCHWELCOME;
+ } else if (!s->is_bayer) {
+ avpriv_report_missing_feature(avctx, "DNG JPG-compressed tiled non-bayer-encoded images");
+ return AVERROR_PATCHWELCOME;
+ } else {
+ if ((ret = dng_decode_tiles(avctx, (AVFrame*)data, avpkt)) > 0)
+ *got_frame = 1;
+ return ret;
+ }
}
+ /* Handle TIFF images and DNG images with uncompressed strips (non-tiled) */
+
planes = s->planar ? s->bppcount : 1;
for (plane = 0; plane < planes; plane++) {
+ uint8_t *five_planes = NULL;
int remaining = avpkt->size;
int decoded_height;
stride = p->linesize[plane];
dst = p->data[plane];
+ if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
+ s->avctx->pix_fmt == AV_PIX_FMT_RGBA) {
+ stride = stride * 5 / 4;
+ five_planes =
+ dst = av_malloc(stride * s->height);
+ if (!dst)
+ return AVERROR(ENOMEM);
+ }
for (i = 0; i < s->height; i += s->rps) {
if (i)
dst += s->rps * stride;
if (soff > avpkt->size || ssize > avpkt->size - soff || ssize > remaining) {
av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n");
+ av_freep(&five_planes);
return AVERROR_INVALIDDATA;
}
remaining -= ssize;
if ((ret = tiff_unpack_strip(s, p, dst, stride, avpkt->data + soff, ssize, i,
FFMIN(s->rps, s->height - i))) < 0) {
- if (avctx->err_recognition & AV_EF_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE) {
+ av_freep(&five_planes);
return ret;
+ }
break;
}
}
av_log(s->avctx, AV_LOG_ERROR, "predictor == 2 with YUV is unsupported");
return AVERROR_PATCHWELCOME;
}
- dst = p->data[plane];
+ dst = five_planes ? five_planes : p->data[plane];
soff = s->bpp >> 3;
if (s->planar)
soff = FFMAX(soff / s->bppcount, 1);
}
if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
- s->avctx->pix_fmt == AV_PIX_FMT_RGB0) {
+ (s->avctx->pix_fmt == AV_PIX_FMT_RGB0 || s->avctx->pix_fmt == AV_PIX_FMT_RGBA)) {
+ int x = s->avctx->pix_fmt == AV_PIX_FMT_RGB0 ? 4 : 5;
+ uint8_t *src = five_planes ? five_planes : p->data[plane];
dst = p->data[plane];
for (i = 0; i < s->height; i++) {
for (j = 0; j < s->width; j++) {
- int k = 255 - dst[4 * j + 3];
- int r = (255 - dst[4 * j ]) * k;
- int g = (255 - dst[4 * j + 1]) * k;
- int b = (255 - dst[4 * j + 2]) * k;
+ int k = 255 - src[x * j + 3];
+ int r = (255 - src[x * j ]) * k;
+ int g = (255 - src[x * j + 1]) * k;
+ int b = (255 - src[x * j + 2]) * k;
dst[4 * j ] = r * 257 >> 16;
dst[4 * j + 1] = g * 257 >> 16;
dst[4 * j + 2] = b * 257 >> 16;
- dst[4 * j + 3] = 255;
+ dst[4 * j + 3] = s->avctx->pix_fmt == AV_PIX_FMT_RGBA ? src[x * j + 4] : 255;
+ }
+ src += stride;
+ dst += p->linesize[plane];
+ }
+ av_freep(&five_planes);
+ } else if (s->photometric == TIFF_PHOTOMETRIC_SEPARATED &&
+ s->avctx->pix_fmt == AV_PIX_FMT_RGBA64BE) {
+ dst = p->data[plane];
+ for (i = 0; i < s->height; i++) {
+ for (j = 0; j < s->width; j++) {
+ uint64_t k = 65535 - AV_RB16(dst + 8 * j + 6);
+ uint64_t r = (65535 - AV_RB16(dst + 8 * j )) * k;
+ uint64_t g = (65535 - AV_RB16(dst + 8 * j + 2)) * k;
+ uint64_t b = (65535 - AV_RB16(dst + 8 * j + 4)) * k;
+ AV_WB16(dst + 8 * j , r * 65537 >> 32);
+ AV_WB16(dst + 8 * j + 2, g * 65537 >> 32);
+ AV_WB16(dst + 8 * j + 4, b * 65537 >> 32);
+ AV_WB16(dst + 8 * j + 6, 65535);
}
dst += p->linesize[plane];
}
FFSWAP(int, p->linesize[0], p->linesize[1]);
}
- if (s->is_bayer && s->white_level && s->bpp == 16) {
+ if (s->is_bayer && s->white_level && s->bpp == 16 && !is_dng) {
uint16_t *dst = (uint16_t *)p->data[0];
for (i = 0; i < s->height; i++) {
for (j = 0; j < s->width; j++)
static av_cold int tiff_init(AVCodecContext *avctx)
{
TiffContext *s = avctx->priv_data;
+ const AVCodec *codec;
+ int ret;
s->width = 0;
s->height = 0;
return AVERROR(ENOMEM);
ff_ccitt_unpack_init();
+ /* Allocate JPEG frame */
+ s->jpgframe = av_frame_alloc();
+ s->jpkt = av_packet_alloc();
+ if (!s->jpgframe || !s->jpkt)
+ return AVERROR(ENOMEM);
+
+ /* Prepare everything needed for JPEG decoding */
+ codec = avcodec_find_decoder(AV_CODEC_ID_MJPEG);
+ if (!codec)
+ return AVERROR_BUG;
+ s->avctx_mjpeg = avcodec_alloc_context3(codec);
+ if (!s->avctx_mjpeg)
+ return AVERROR(ENOMEM);
+ s->avctx_mjpeg->flags = avctx->flags;
+ s->avctx_mjpeg->flags2 = avctx->flags2;
+ s->avctx_mjpeg->dct_algo = avctx->dct_algo;
+ s->avctx_mjpeg->idct_algo = avctx->idct_algo;
+ ret = avcodec_open2(s->avctx_mjpeg, codec, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
return 0;
}
s->deinvert_buf_size = 0;
av_freep(&s->yuv_line);
s->yuv_line_size = 0;
- av_freep(&s->fax_buffer);
- s->fax_buffer_size = 0;
+ av_frame_free(&s->jpgframe);
+ av_packet_free(&s->jpkt);
+ avcodec_free_context(&s->avctx_mjpeg);
return 0;
}
#define OFFSET(x) offsetof(TiffContext, x)
static const AVOption tiff_options[] = {
{ "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 },
+ { "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 },
+ { "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 },
{ NULL },
};
.version = LIBAVUTIL_VERSION_INT,
};
-AVCodec ff_tiff_decoder = {
+const AVCodec ff_tiff_decoder = {
.name = "tiff",
.long_name = NULL_IF_CONFIG_SMALL("TIFF image"),
.type = AVMEDIA_TYPE_VIDEO,
.init = tiff_init,
.close = tiff_end,
.decode = decode_frame,
- .init_thread_copy = ONLY_IF_THREADS_ENABLED(tiff_init),
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.priv_class = &tiff_decoder_class,
};
projects / ffmpeg / blobdiff