diff options
author | Daniel Friesel <derf@finalrewind.org> | 2012-02-26 21:15:52 +0100 |
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committer | Daniel Friesel <derf@finalrewind.org> | 2012-02-26 21:15:52 +0100 |
commit | 7e0e15e1f801f9a25b96435b7e0ab2dffc1bc149 (patch) | |
tree | 6829909e29696b2cadb335e7dea601440bb32dff /src | |
parent | ca05961c959b30506f56405fb1dbbcbe500e2f72 (diff) | |
parent | fc651e5eb5a7cce4f2df97eb8aee3d9ad34f9717 (diff) |
Merge github.com:reald/feh
Diffstat (limited to 'src')
-rw-r--r-- | src/exif.c | 52 | ||||
-rw-r--r-- | src/exif_nikon.h | 41 |
2 files changed, 88 insertions, 5 deletions
@@ -33,7 +33,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "options.h" #include "debug.h" #include "exif.h" - +#include "exif_nikon.h" /* remove all spaces on the right end of a string */ @@ -140,7 +140,10 @@ ExifData * exif_get_data(char *path) void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) { ExifEntry *entry = NULL; - char buf[64]; + char buf[128]; + unsigned int exn_fcm = (EXN_FLASH_CONTROL_MODES_MAX-1); /* default to N/A */ + unsigned int version = 0; + unsigned int length = 0; if ( (buffer == NULL) || (maxsize == 0) ) { @@ -151,7 +154,7 @@ void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) snprintf(buffer, (size_t)maxsize, "%s\n", "No Exif data in file."); return; } - else if ( ed != NULL ) + else { /* normal exif tags */ exif_get_tag(ed, EXIF_IFD_0, EXIF_TAG_MAKE, buffer, maxsize); @@ -185,10 +188,49 @@ void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) /* Nikon */ if ( strcmp(buf, "Nikon") != 0 ) { - /* Digital Vari-Program */ - exif_get_mnote_tag(ed, 171, buffer + strlen(buffer), maxsize - strlen(buffer)); + /* this is a nikon camera */ + + buf[0] = '\0'; + exif_get_tag(ed, EXIF_IFD_EXIF, EXIF_TAG_FLASH, buf, sizeof(buf)); + exif_trim_spaces(buf); + + if ( !(strcmp("Flash: Flash did not fire\n", buf) == 0) ) + { + /* extended flash info if it was fired */ + + /* Flash Setting */ + exif_get_mnote_tag(ed, 8, buffer + strlen(buffer), maxsize - strlen(buffer)); + /* Flash Mode */ + exif_get_mnote_tag(ed, 9, buffer + strlen(buffer), maxsize - strlen(buffer)); + /* flash exposure bracket value */ + exif_get_mnote_tag(ed, 24, buffer + strlen(buffer), maxsize - strlen(buffer)); + /* Flash used */ + exif_get_mnote_tag(ed, 135, buffer + strlen(buffer), maxsize - strlen(buffer)); + + /* Flash info: control mode. */ + /* libexif does not support flash info 168 yet. so we have to parse the debug data :-( */ + buf[0] = '\0'; + exif_get_mnote_tag(ed, 168, buf, sizeof(buf)); + sscanf(buf, "(null): %u bytes unknown data: 303130%02X%*10s%02X", &length, &version, &exn_fcm); + exn_fcm = exn_fcm & EXN_FLASH_CONTROL_MODE_MASK; + + if ( (exn_fcm < EXN_FLASH_CONTROL_MODES_MAX) + && ( ((length == 22) && (version == '3')) /* Nikon FlashInfo0103 */ + || ((length == 22) && (version == '4')) /* Nikon FlashInfo0104 */ + || ((length == 21) && (version == '2')) /* Nikon FlashInfo0102 */ + || ((length == 19) && (version == '0')) /* Nikon FlashInfo0100 */ + ) + ) + { + snprintf(buffer + strlen(buffer), maxsize - strlen(buffer), "NikonFlashControlMode: %s\n", + EXN_NikonFlashControlModeValues[exn_fcm]); + } + } /* Lens */ exif_get_mnote_tag(ed, 132, buffer + strlen(buffer), maxsize - strlen(buffer)); + /* Digital Vari-Program */ + exif_get_mnote_tag(ed, 171, buffer + strlen(buffer), maxsize - strlen(buffer)); + } } diff --git a/src/exif_nikon.h b/src/exif_nikon.h new file mode 100644 index 0000000..e2baf0d --- /dev/null +++ b/src/exif_nikon.h @@ -0,0 +1,41 @@ +/* exif_nikon.h + +Copyright (C) 2012 Dennis Real. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies of the Software and its documentation and acknowledgment shall be +given in the documentation and software packages that this Software was +used. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#ifndef EXIF_NIKON_H +#define EXIF_NIKON_H + +/* Flash control mode */ +/* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#FlashControlMode */ +#define EXN_FLASH_CONTROL_MODES_MAX 9 +char *EXN_NikonFlashControlModeValues[EXN_FLASH_CONTROL_MODES_MAX] = {"Off", + "iTTL-BL", "iTTL", "Auto Aperture", + "Automatic", "GN (distance priority)", + "Manual", "Repeating Flash", + "N/A" /* "N/A" is not a nikon setting */ + }; + +#define EXN_FLASH_CONTROL_MODE_MASK 0x7F + +#endif |