/*
- * GQView
- * (C) 2005 John Ellis
+ * Copyright (C) 2006 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
- * Authors:
- * Original version 2005 Lars Ellenberg, base on dcraw by David coffin.
+ * Author: Lars Ellenberg
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#ifndef HAVE_EXIV2
#include <stdio.h>
#include <string.h>
#include "intl.h"
+#include "main.h"
#include "format_raw.h"
#include "format_canon.h"
#include "format_olympus.h"
-/* so that debugging is honored */
-extern gint debug;
-
-
typedef struct _FormatRawEntry FormatRawEntry;
struct _FormatRawEntry {
const gchar *extension;
FormatRawMatchType magic_type;
const guint magic_offset;
- const void *magic_pattern;
+ gconstpointer magic_pattern;
const guint magic_length;
+ const FormatRawExifType exif_type;
+ FormatRawExifParseFunc exif_func;
const gchar *description;
FormatRawParseFunc func_parse;
};
static FormatRawEntry format_raw_list[] = {
+#if DEBUG_RAW_TIFF
+ FORMAT_RAW_DEBUG_TIFF,
+#endif
FORMAT_RAW_CANON,
FORMAT_RAW_FUJI,
FORMAT_RAW_NIKON,
- { NULL, 0, 0, NULL, 0, NULL, NULL }
+ FORMAT_RAW_OLYMPUS,
+ FORMAT_RAW_PENTAX,
+ FORMAT_RAW_SAMSUNG,
+ { NULL, 0, 0, NULL, 0, 0, NULL, NULL, NULL }
};
typedef struct _FormatExifEntry FormatExifEntry;
struct _FormatExifEntry {
FormatExifMatchType header_type;
- const void *header_pattern;
+ gconstpointer header_pattern;
const guint header_length;
const gchar *description;
FormatExifParseFunc func_parse;
FORMAT_EXIF_FUJI,
FORMAT_EXIF_NIKON,
FORMAT_EXIF_OLYMPUS,
- { 0, NULL, 0, NULL }
+ { 0, NULL, 0, NULL, NULL }
};
-static guint tiff_table(unsigned char *data, const guint len, guint offset, ExifByteOrder bo,
+static guint tiff_table(guchar *data, const guint len, guint offset, ExifByteOrder bo,
guint tag, ExifFormatType type,
guint *result_offset, guint *result_count)
{
guint i;
if (len < offset + 2) return 0;
- if (type < 0 || type > EXIF_FORMAT_COUNT) return 0;
+ if (type > EXIF_FORMAT_COUNT) return 0;
count = exif_byte_get_int16(data + offset, bo);
offset += 2;
return exif_byte_get_int32(data + offset + count * 12, bo);
}
-static gint format_tiff_find_tag_data(unsigned char *data, const guint len,
- guint tag, ExifFormatType type,
- guint *result_offset, guint *result_count)
+static gboolean format_tiff_find_tag_data(guchar *data, const guint len,
+ guint tag, ExifFormatType type,
+ guint *result_offset, guint *result_count)
{
ExifByteOrder bo;
guint offset;
return FALSE;
}
-static FormatRawEntry *format_raw_find(unsigned char *data, const guint len)
+static FormatRawEntry *format_raw_find(guchar *data, const guint len)
{
gint n;
- gint tiff;
+ gboolean tiff;
guint make_count = 0;
guint make_offset = 0;
return NULL;
}
-static gint format_raw_parse(FormatRawEntry *entry,
- unsigned char *data, const guint len,
- guint *image_offset, guint *exif_offset)
+static gboolean format_raw_parse(FormatRawEntry *entry,
+ guchar *data, const guint len,
+ guint *image_offset, guint *exif_offset)
{
guint io = 0;
guint eo = 0;
- gint found;
+ gboolean found;
if (!entry || !entry->func_parse) return FALSE;
- if (debug) printf("RAW using file parser for %s\n", entry->description);
+ DEBUG_1("RAW using file parser for %s", entry->description);
found = entry->func_parse(data, len, &io, &eo);
return TRUE;
}
-gint format_raw_img_exif_offsets(unsigned char *data, const guint len,
- guint *image_offset, guint *exif_offset)
+gboolean format_raw_img_exif_offsets(guchar *data, const guint len,
+ guint *image_offset, guint *exif_offset)
{
FormatRawEntry *entry;
}
-gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
- unsigned char *header_data, const guint header_len,
- guint *image_offset, guint *exif_offset)
+FormatRawExifType format_raw_exif_offset(guchar *data, const guint len, guint *exif_offset,
+ FormatRawExifParseFunc *exif_parse_func)
{
FormatRawEntry *entry;
- void *map_data = NULL;
+
+ if (!data || len < 1) return FALSE;
+
+ entry = format_raw_find(data, len);
+
+ if (!entry || !entry->func_parse) return FALSE;
+
+ if (!format_raw_parse(entry, data, len, NULL, exif_offset)) return FORMAT_RAW_EXIF_NONE;
+
+ if (entry->exif_type == FORMAT_RAW_EXIF_PROPRIETARY && exif_parse_func)
+ {
+ *exif_parse_func = entry->exif_func;
+ }
+
+ return entry->exif_type;
+}
+
+
+gboolean format_raw_img_exif_offsets_fd(gint fd, const gchar *path,
+ guchar *header_data, const guint header_len,
+ guint *image_offset, guint *exif_offset)
+{
+ FormatRawEntry *entry;
+ gpointer map_data = NULL;
size_t map_len = 0;
struct stat st;
- gint success;
+ gboolean success;
if (!header_data || fd < 0) return FALSE;
if (path)
{
const gchar *ext;
- gint match = FALSE;
+ gboolean match = FALSE;
gint i;
ext = strrchr(path, '.');
while (!match && format_raw_list[i].magic_pattern)
{
if (format_raw_list[i].extension &&
- strcasecmp(format_raw_list[i].extension, ext) == 0)
+ g_ascii_strcasecmp(format_raw_list[i].extension, ext) == 0)
{
match = TRUE;
}
if (!match) return FALSE;
- if (debug) printf("RAW file parser extension match\n");
+ DEBUG_1("RAW file parser extension match");
}
- /* FIXME:
- * when the target is a tiff file it should be mmaped prior to format_raw_find as
+ /**
+ * @FIXME when the target is a tiff file it should be mmaped prior to format_raw_find as
* the make field data may not always be within header_data + header_len
- */
+ */
entry = format_raw_find(header_data, header_len);
if (!entry || !entry->func_parse) return FALSE;
if (fstat(fd, &st) == -1)
{
- printf("Failed to stat file %d\n", fd);
+ log_printf("Failed to stat file %d\n", fd);
return FALSE;
}
map_len = st.st_size;
map_data = mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
if (map_data == MAP_FAILED)
{
- printf("Failed to mmap file %d\n", fd);
+ log_printf("Failed to mmap file %d\n", fd);
return FALSE;
}
if (munmap(map_data, map_len) == -1)
{
- printf("Failed to unmap file %d\n", fd);
+ log_printf("Failed to unmap file %d\n", fd);
}
if (success && image_offset)
{
- if (lseek(fd, *image_offset, SEEK_SET) != *image_offset)
+ if (lseek(fd, *image_offset, SEEK_SET) != (off_t) *image_offset)
{
- printf("Failed to seek to embedded image\n");
+ log_printf("Failed to seek to embedded image\n");
*image_offset = 0;
if (*exif_offset) *exif_offset = 0;
}
-static FormatExifEntry *format_exif_makernote_find(ExifData *exif, unsigned char *tiff,
+static FormatExifEntry *format_exif_makernote_find(ExifData *exif, guchar *tiff,
guint offset, guint size)
{
ExifItem *make;
gint n;
- make = exif_get_item(exif, "Make");
+ make = exif_get_item(exif, "Exif.Image.Make");
n = 0;
while (format_exif_list[n].header_pattern)
return FALSE;
}
-gint format_exif_makernote_parse(ExifData *exif, unsigned char *tiff, guint offset,
- guint size, ExifByteOrder bo)
+gboolean format_exif_makernote_parse(ExifData *exif, guchar *tiff, guint offset,
+ guint size, ExifByteOrder bo)
{
FormatExifEntry *entry;
if (!entry || !entry->func_parse) return FALSE;
- if (debug) printf("EXIF using makernote parser for %s\n", entry->description);
+ DEBUG_1("EXIF using makernote parser for %s", entry->description);
return entry->func_parse(exif, tiff, offset, size, bo);
}
+/*
+ *-----------------------------------------------------------------------------
+ * Basic TIFF debugger, prints all IFD entries within tiff file
+ *-----------------------------------------------------------------------------
+ */
+#if DEBUG_RAW_TIFF
+
+static guint format_debug_tiff_table(guchar *data, const guint len, guint offset,
+ ExifByteOrder bo, gint level);
+
+static void format_debug_tiff_entry(guchar *data, const guint len, guint offset,
+ ExifByteOrder bo, gint level)
+{
+ guint tag;
+ guint type;
+ guint count;
+ guint segment;
+ guint seg_len;
+
+ tag = exif_byte_get_int16(data + offset + EXIF_TIFD_OFFSET_TAG, bo);
+ type = exif_byte_get_int16(data + offset + EXIF_TIFD_OFFSET_FORMAT, bo);
+ count = exif_byte_get_int32(data + offset + EXIF_TIFD_OFFSET_COUNT, bo);
+
+ seg_len = ExifFormatList[type].size * count;
+ if (seg_len > 4)
+ {
+ segment = exif_byte_get_int32(data + offset + EXIF_TIFD_OFFSET_DATA, bo);
+ if (segment + seg_len > len) return;
+ }
+ else
+ {
+ segment = offset + EXIF_TIFD_OFFSET_DATA;
+ }
+
+ log_printf("%*stag:0x%04X (%05d), type:%2d %9s, len:%6d [%02X %02X %02X %02X] @ offset:%d\n",
+ level, "", tag, tag, type,
+ (type < EXIF_FORMAT_COUNT) ? ExifFormatList[type].short_name : "???", count,
+ data[segment], data[segment + 1], data[segment + 2], data[segment + 3], segment);
+
+ if (tag == 0x8769 || tag == 0x14a)
+ {
+ gint i;
+
+ log_printf("%*s~~~ found %s table\n", level, "", (tag == 0x14a) ? "subIFD" : "EXIF" );
+
+ for (i = 0; i < count; i++)
+ {
+ guint subset;
+
+ subset = exif_byte_get_int32(data + segment + i * 4, bo);
+ format_debug_tiff_table(data, len, subset, bo, level + 1);
+ }
+ }
+ else if (tag == 0x8773 && type == EXIF_FORMAT_UNDEFINED)
+ {
+ log_printf("%*s~~~ found ICC color profile at offset %d, length %d\n", level, "", segment, seg_len);
+ }
+ else if (tag == 0x201 && (type == EXIF_FORMAT_LONG_UNSIGNED || type == EXIF_FORMAT_LONG))
+ {
+ guint subset = exif_byte_get_int32(data + segment, bo);
+ log_printf("%*s~~~ found jpeg data at offset %d\n", level, "", subset);
+ }
+ else if (tag == 0x202 && (type == EXIF_FORMAT_LONG_UNSIGNED || type == EXIF_FORMAT_LONG))
+ {
+ guint subset = exif_byte_get_int32(data + segment, bo);
+ log_printf("%*s~~~ found jpeg data length of %d\n", level, "", subset);
+ }
+}
+
+static guint format_debug_tiff_table(guchar *data, const guint len, guint offset,
+ ExifByteOrder bo, gint level)
+{
+ guint count;
+ guint i;
+
+ if (level > EXIF_TIFF_MAX_LEVELS) return 0;
+
+ if (len < offset + 2) return FALSE;
+
+ count = exif_byte_get_int16(data + offset, bo);
+ offset += 2;
+ if (len < offset + count * EXIF_TIFD_SIZE + 4) return 0;
+
+ log_printf("%*s== tiff table #%d has %d entries ==\n", level, "", level, count);
+
+ for (i = 0; i < count; i++)
+ {
+ format_debug_tiff_entry(data, len, offset + i * EXIF_TIFD_SIZE, bo, level);
+ }
+
+ log_printf("%*s----------- end of #%d ------------\n", level, "", level);
+
+ return exif_byte_get_int32(data + offset + count * EXIF_TIFD_SIZE, bo);
+}
+
+gboolean format_debug_tiff_raw(guchar *data, const guint len,
+ guint *image_offset, guint *exif_offset)
+{
+ ExifByteOrder bo;
+ gint level;
+ guint offset;
+
+ if (len < 8) return FALSE;
+ /* for debugging, we are more relaxed as to magic header */
+ if (memcmp(data, "II", 2) == 0)
+ {
+ bo = EXIF_BYTE_ORDER_INTEL;
+ }
+ else if (memcmp(data, "MM", 2) == 0)
+ {
+ bo = EXIF_BYTE_ORDER_MOTOROLA;
+ }
+ else
+ {
+ return FALSE;
+ }
+
+ log_printf("*** debug parsing tiff\n");
+
+ offset = exif_byte_get_int32(data + 4, bo);
+ level = 0;
+ while (offset && level < EXIF_TIFF_MAX_LEVELS)
+ {
+ offset = format_debug_tiff_table(data, len, offset, bo, 0);
+ level++;
+ }
+
+ log_printf("*** end\n");
+
+ /* we are debugging, not trying to return any data */
+ return FALSE;
+}
+#endif
+
+#endif
+/* not HAVE_EXIV2 */
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff