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1. Own module for nikon maker notes

2. Support for AFInfo2
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1 parent 39cbd1e commit e401bd9c78a82b8290ec524e56b7c832631725e6 @reald committed Mar 21, 2012
Showing with 296 additions and 87 deletions.
  1. +23 −76 src/exif.c
  2. +5 −0 src/exif.h
  3. +265 −0 src/exif_nikon.c
  4. +3 −11 src/exif_nikon.h
View
99 src/exif.c
@@ -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"
@@ -36,36 +37,31 @@ 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;
for (end = str; *str!='\0'; 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));
}
View
5 src/exif.h
@@ -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);
View
265 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
View
14 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

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