diff options
| -rw-r--r-- | src/exif.c | 99 | ||||
| -rw-r--r-- | src/exif.h | 5 | ||||
| -rw-r--r-- | src/exif_nikon.c | 265 | ||||
| -rw-r--r-- | src/exif_nikon.h | 14 |
4 files changed, 296 insertions, 87 deletions
@@ -28,6 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include <stdio.h> #include <string.h> #include <libexif/exif-data.h> +#include <limits.h> #include "feh.h" #include "options.h" @@ -36,15 +37,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "exif_nikon.h" #include "exif_cfg.h" -static void exif_trim_spaces(char *str); -static void exif_get_tag(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize); -static void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize); -static void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsigned int maxsize); -static void exif_get_mnote_nikon_tags(ExifData *ed, char * buffer, unsigned int maxsize); -static void exif_get_gps_coords(ExifData * ed, char *buffer, unsigned int maxsize); /* remove all spaces on the right end of a string */ -static void exif_trim_spaces(char *str) +void exif_trim_spaces(char *str) { char *end; @@ -52,20 +47,21 @@ static void exif_trim_spaces(char *str) { if (*str != ' ') { - end = str+1; + end = str + 1; } } *end = '\0'; } + /* show given exif tag content with tag name */ -static void exif_get_tag(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize) +void exif_get_tag(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize) { char s[EXIF_MAX_DATA]; ExifEntry *entry = NULL; - if ( (d != NULL) && (buffer != NULL) && (maxsize>0) ) + if ( (d != NULL) && (buffer != NULL) && (maxsize > 0) ) { entry = exif_content_get_entry(d->ifd[ifd], tag); if (entry != NULL) @@ -87,12 +83,12 @@ static void exif_get_tag(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, un /* show given exif tag content without tag name */ -static void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize) +void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize) { char s[EXIF_MAX_DATA]; ExifEntry *entry = NULL; - if ( (d != NULL) && (buffer != NULL) && (maxsize>0) ) + if ( (d != NULL) && (buffer != NULL) && (maxsize > 0) ) { entry = exif_content_get_entry(d->ifd[ifd], tag); if (entry != NULL) @@ -104,7 +100,7 @@ static void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* bu exif_trim_spaces(s); if (*s != '\0') { - D(("%s", exif_tag_get_name_in_ifd(tag,ifd), s)); + D(("%s - %s\n", exif_tag_get_name_in_ifd(tag,ifd), s)); snprintf(buffer, (size_t)maxsize, "%s", s); } } @@ -115,7 +111,7 @@ static void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* bu /* Show the given MakerNote tag if it exists */ -static void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsigned int maxsize) +void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsigned int maxsize) { ExifMnoteData *mn = NULL; int i, num; @@ -137,6 +133,11 @@ static void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsi /* Loop through all MakerNote tags, searching for the desired one */ for (i=0; i < num; ++i) { + D(("%d/%d %d 0x%2x %s; %s\n", i, num, exif_mnote_data_get_id(mn, i), + exif_mnote_data_get_id(mn, i), + exif_mnote_data_get_name(mn,i), + exif_mnote_data_get_title(mn, i) )); + if (exif_mnote_data_get_id(mn, i) == tag) { if (exif_mnote_data_get_value(mn, i, buf, sizeof(buf))) @@ -145,6 +146,7 @@ static void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsi exif_trim_spaces(buf); if (*buf != '\0') { + D(("%s\n", buf)); snprintf(buffer, (size_t)maxsize, "%s: %s\n", exif_mnote_data_get_title(mn, i), buf); } } @@ -155,63 +157,8 @@ static void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsi -/* get interesting nikon maker note tags in readable form */ -static void exif_get_mnote_nikon_tags(ExifData *ed, char * buffer, unsigned int maxsize) -{ - char buf[EXIF_STD_BUF_LEN]; - unsigned int exn_fcm = (EXN_FLASH_CONTROL_MODES_MAX-1); /* default to N/A */ - unsigned int version = 0; - unsigned int length = 0; - - 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) ) - { - /* show extended flash info if flash 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)); - - return; -} - - - /* get gps coordinates if available */ -static void exif_get_gps_coords(ExifData * ed, char *buffer, unsigned int maxsize) +void exif_get_gps_coords(ExifData * ed, char *buffer, unsigned int maxsize) { char buf[EXIF_STD_BUF_LEN]; @@ -297,7 +244,7 @@ void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) { ExifEntry *entry = NULL; char buf[EXIF_STD_BUF_LEN]; - int i = 0; + unsigned short int i = 0; if ( (buffer == NULL) || (maxsize == 0) ) { @@ -310,14 +257,14 @@ void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) } else { - /* normal exif tags */ - while ( Exif_tag_list[i].ifd != EXIF_IFD_COUNT ) + /* show normal exif tags. list must be defined in exif_cfg.h */ + while ( (Exif_tag_list[i].ifd != EXIF_IFD_COUNT) && (i < USHRT_MAX) ) { exif_get_tag(ed, Exif_tag_list[i].ifd, Exif_tag_list[i].tag, buffer + strlen(buffer), maxsize - strlen(buffer)); i++; } - /* vendor specific makernote tags */ + /* show vendor specific makernote tags */ entry = exif_content_get_entry(ed->ifd[EXIF_IFD_0], EXIF_TAG_MAKE); if (entry != NULL) { @@ -332,14 +279,14 @@ void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize) ) { /* this is a nikon camera */ - exif_get_mnote_nikon_tags(ed, buffer + strlen(buffer), maxsize - strlen(buffer)); + exn_get_mnote_nikon_tags(ed, buffer + strlen(buffer), maxsize - strlen(buffer)); } } } - /* gps info */ + /* show gps coordinates */ exif_get_gps_coords(ed, buffer + strlen(buffer), maxsize - strlen(buffer)); } @@ -31,6 +31,11 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #define EXIF_MAX_DATA 1024 #define EXIF_STD_BUF_LEN 128 +extern void exif_trim_spaces(char *str); +extern void exif_get_tag(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize); +extern void exif_get_tag_content(ExifData *d, ExifIfd ifd, ExifTag tag, char* buffer, unsigned int maxsize); +extern void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsigned int maxsize); +extern void exif_get_gps_coords(ExifData * ed, char *buffer, unsigned int maxsize); extern ExifData * exif_get_data(char *path); extern void exif_get_info(ExifData * ed, char *buffer, unsigned int maxsize); diff --git a/src/exif_nikon.c b/src/exif_nikon.c new file mode 100644 index 0000000..d9e83a1 --- /dev/null +++ b/src/exif_nikon.c @@ -0,0 +1,265 @@ +/* exif_nikon.c + +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. + +*/ + +#ifdef HAVE_LIBEXIF + +#include <stdio.h> +#include <string.h> +#include <libexif/exif-data.h> + +#include "feh.h" +#include "debug.h" +#include "exif.h" +#include "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 + + +/* AFInfo2 */ +/* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#AFInfo2 */ +#define EXN_CONTRAST_DETECT_AF_MAX 2 +char *EXN_NikonContrastDetectAF[EXN_CONTRAST_DETECT_AF_MAX] = {"Off", "On"}; + +/* AFArea Mode for ContrastDetectAF Off */ +#define EXN_AF_AREA_MODE_P_MAX 13 +char *EXN_NikonAFAreaModePhase[EXN_AF_AREA_MODE_P_MAX] = { + "Single Area", "Dynamic Area", "Dynamic Area (closest subject)", + "Group Dynamic ", "Dynamic Area (9 points) ", "Dynamic Area (21 points)", + "Dynamic Area (51 points) ", "Dynamic Area (51 points, 3D-tracking)", + "Auto-area", "Dynamic Area (3D-tracking)", "Single Area (wide)", + "Dynamic Area (wide)", "Dynamic Area (wide, 3D-tracking)"}; + +/* AFArea Mode for ContrastDetectAF On */ +#define EXN_AF_AREA_MODE_C_MAX 5 +char *EXN_NikonAFAreaModeContr[EXN_AF_AREA_MODE_C_MAX] = { + "Contrast-detect", + "Contrast-detect (normal area)", + "Contrast-detect (wide area)", + "Contrast-detect (face priority)", + "Contrast-detect (subject tracking)"}; + +#define EXN_PHASE_DETECT_AF_MAX 4 +char *EXN_NikonPhaseDetectAF[EXN_PHASE_DETECT_AF_MAX] = {"Off", "On (51-point)", + "On (11-point)", "On (39-point)"}; + +/* PrimaryAFPoint and AFPointsUsed only valid with PhaseDetectAF == On */ + +#define EXN_PRIM_AF_PT_51_MAX 52 +char * EXN_Prim_AF_Pt_51[EXN_PRIM_AF_PT_51_MAX] = {"(none)", "C6 (Center)", "B6", "A5", + "D6", "E5", "C7", "B7", "A6", "D7", "E6", "C5", "B5", "A4", "D5", "E4", "C8", "B8", + "A7", "D8", "E7", "C9", "B9", "A8", "D9", "E8", "C10", "B10", "A9", "D10", "E9", + "C11", "B11", "D11", "C4", "B4", "A3", "D4", "E3", "C3", "B3", "A2", "D3", "E2", + "C2", "B2", "A1", "D2", "E1", "C1", "B1", "D1"}; + +#define EXN_PRIM_AF_PT_11_MAX 12 +char * EXN_Prim_AF_Pt_11[EXN_PRIM_AF_PT_11_MAX] = {"(none)", "Center", "Top", "Bottom", + "Mid-left", "Upper-left", "Lower-left", "Far Left", "Mid-right", "Upper-right", + "Lower-right", "Far Right"}; + +#define EXN_PRIM_AF_PT_39_MAX 40 +char * EXN_Prim_AF_Pt_39[EXN_PRIM_AF_PT_39_MAX] = {"(none)", "C6 (Center)", "B6", "A2", + "D6", "E2", "C7", "B7", "A3", "D7", "E3", "C5", "B5", "A1", "D5", "E1", "C8", "B8", + "D8", "C9", "B9", "D9", "C10", "B10", "D10", "C11", "B11", "D11", "C4", "B4", "D4", + "C3", "B3", "D3", "C2", "B2", "D2", "C1", "B1", "D1"}; + + +static void exn_get_prim_af_pt(unsigned int phasedetectaf, + unsigned int primafpt, + char * buffer, + unsigned int maxsize); + + + + +static void exn_get_prim_af_pt(unsigned int phasedetectaf, + unsigned int primafpt, + char * buffer, + unsigned int maxsize) +{ + + switch(phasedetectaf) + { + case 0: + { + /* phasedetect not used. should not happen */ + snprintf(buffer, maxsize, "FAIL"); + return; + } + break; + case 1: + { + /* 51 pt */ + if ( primafpt < EXN_PRIM_AF_PT_51_MAX ) + { + snprintf(buffer, maxsize, "%s", EXN_Prim_AF_Pt_51[primafpt]); + } + return; + } + break; + case 2: + { + /* 11 pt */ + if ( primafpt < EXN_PRIM_AF_PT_11_MAX ) + { + snprintf(buffer, maxsize, "%s", EXN_Prim_AF_Pt_11[primafpt]); + } + return; + } + break; + case 3: + { + /* 39 pt */ + if ( primafpt < EXN_PRIM_AF_PT_39_MAX ) + { + snprintf(buffer, maxsize, "%s", EXN_Prim_AF_Pt_39[primafpt]); + } + return; + } + break; + default: + { + snprintf(buffer, maxsize, "?"); + return; + } + break; + + } + +} + + + +/* get interesting nikon maker note tags in readable form */ +void exn_get_mnote_nikon_tags(ExifData *ed, char * buffer, unsigned int maxsize) +{ + char buf[EXIF_STD_BUF_LEN]; + unsigned int exn_fcm = (EXN_FLASH_CONTROL_MODES_MAX-1); /* default to N/A */ + unsigned int version = 0; + unsigned int length = 0; + unsigned int contrastdetectaf = 0; + unsigned int afareamode = 0; + unsigned int phasedetectaf = 0; + unsigned int primaryafpoint = 0; + + 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) ) + { + /* show extended flash info if flash 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)); + + /* AFInfo2 */ + /* libexif does not support AFInfo2 183 yet. so we have to parse the debug data :-( */ + buf[0] = '\0'; + exif_get_mnote_tag(ed, 183, buf, sizeof(buf)); + sscanf(buf, "(null): %u bytes unknown data: 303130%02X%02X%02X%02X%02X", &length, &version, + &contrastdetectaf, + &afareamode, + &phasedetectaf, + &primaryafpoint + ); + + + if ( ((length == 30) && (version == '0')) + && (contrastdetectaf < EXN_CONTRAST_DETECT_AF_MAX) + && (phasedetectaf < EXN_PHASE_DETECT_AF_MAX) + + ) + { + if ( (contrastdetectaf != 0) && (afareamode < EXN_AF_AREA_MODE_C_MAX) ) + { + /* Contrast AF (live view) */ + snprintf(buffer + strlen(buffer), maxsize - strlen(buffer), + "ContrastDetectAF: %s; AFAreaMode: %s\n", + EXN_NikonContrastDetectAF[contrastdetectaf], + EXN_NikonAFAreaModeContr[afareamode]); + + } + else if ( (phasedetectaf != 0) && (afareamode < EXN_AF_AREA_MODE_P_MAX) ) + { + /* Phase AF */ + buf[0] = '\0'; + exn_get_prim_af_pt(phasedetectaf, primaryafpoint, buf, EXIF_STD_BUF_LEN); + + snprintf(buffer + strlen(buffer), maxsize - strlen(buffer), + "PhaseDetectAF: %s; AreaMode: %s; PrimaryAFPoint: %s\n", + EXN_NikonPhaseDetectAF[phasedetectaf], + EXN_NikonAFAreaModePhase[afareamode], + buf + ); + } + + } + + return; +} + +#endif diff --git a/src/exif_nikon.h b/src/exif_nikon.h index e2baf0d..f12b5ce 100644 --- a/src/exif_nikon.h +++ b/src/exif_nikon.h @@ -26,16 +26,8 @@ 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 +#include <libexif/exif-data.h> + +extern void exn_get_mnote_nikon_tags(ExifData *ed, char * buffer, unsigned int maxsize); #endif |