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-rw-r--r--src/exif_nikon.c146
1 files changed, 143 insertions, 3 deletions
diff --git a/src/exif_nikon.c b/src/exif_nikon.c
index f4a8eea..c058d8c 100644
--- a/src/exif_nikon.c
+++ b/src/exif_nikon.c
@@ -95,11 +95,21 @@ char * EXN_Prim_AF_Pt_39[EXN_PRIM_AF_PT_39_MAX] = {"(none)", "C6 (Center)", "B6"
"C3", "B3", "D3", "C2", "B2", "D2", "C1", "B1", "D1"};
+#define EXN_PIC_CTRL_ADJ_MAX 3
+char * EXN_Pic_Ctrl_Adj[EXN_PIC_CTRL_ADJ_MAX] = {"Default Settings",
+ "Quick Adjust",
+ "Full Control"};
+
+
+
static void exn_get_prim_af_pt(unsigned int phasedetectaf,
unsigned int primafpt,
char * buffer,
unsigned int maxsize);
+static void exn_get_flash_output(unsigned int flashoutput, char * buffer, unsigned int maxsize);
+static void exn_get_mnote_nikon_18(ExifData *ed, char * buffer, unsigned int maxsize);
static void exn_get_mnote_nikon_34(ExifData *ed, char * buffer, unsigned int maxsize);
+static void exn_get_mnote_nikon_35(ExifData *ed, char * buffer, unsigned int maxsize);
static void exn_get_mnote_nikon_168(ExifData *ed, char * buffer, unsigned int maxsize);
static void exn_get_mnote_nikon_183(ExifData *ed, char * buffer, unsigned int maxsize);
@@ -164,6 +174,49 @@ static void exn_get_prim_af_pt(unsigned int phasedetectaf,
+/* get flash output power (for FlashInfo010x) */
+static void exn_get_flash_output(unsigned int flashoutput, char * buffer, unsigned int maxsize)
+{
+
+ if ( flashoutput == 0 )
+ {
+ /* full power */
+ snprintf(buffer, maxsize, "Full");
+ }
+ else
+ {
+ if ( (flashoutput % 6) == 0 )
+ {
+ /* value is a power of 2 */
+ snprintf(buffer, maxsize, "1/%d", 1<<(flashoutput/6));
+ }
+ else
+ {
+ /* something uneven...ugly. maybe introduce pow() function from libm later */
+ snprintf(buffer, maxsize, "1/2^(%f)", ((float)flashoutput)/6.0);
+ }
+ }
+}
+
+
+
+/* get ActiveD-Lighting (18) info */
+static void exn_get_mnote_nikon_18(ExifData *ed, char * buffer, unsigned int maxsize)
+{
+
+ char buf[EXIF_STD_BUF_LEN];
+ float data = 0;
+
+ buf[0] = '\0';
+ exif_get_mnote_tag(ed, 18, buf, sizeof(buf));
+
+ sscanf(buf, "Flash Exposure Compensation: %f", &data); /* libexif buggy here. fix conversion */
+
+ snprintf(buffer, maxsize, "FlashExposureCompensation: %+.1f EV\n", ((float)((signed char)round(data*6.0))) / 6.0 );
+}
+
+
+
/* get ActiveD-Lighting (34) info */
static void exn_get_mnote_nikon_34(ExifData *ed, char * buffer, unsigned int maxsize)
{
@@ -220,6 +273,63 @@ static void exn_get_mnote_nikon_34(ExifData *ed, char * buffer, unsigned int max
+/* get nikon PictureControlData (35) info */
+static void exn_get_mnote_nikon_35(ExifData *ed, char * buffer, unsigned int maxsize)
+{
+ char buf[EXIF_STD_BUF_LEN];
+ char picturecontrolname[EXIF_STD_BUF_LEN];
+ char picturecontrolbase[EXIF_STD_BUF_LEN];
+ unsigned int version = 0;
+ unsigned int length = 0;
+ unsigned int piccontroladj = 0;
+ unsigned int piccontrolquickadj = 0;
+ unsigned int sharpness = 0;
+ unsigned int contrast = 0;
+ unsigned int brightness = 0;
+ unsigned int saturation = 0;
+ unsigned int hueadjustment = 0;
+ unsigned int i, j;
+
+ /* libexif does not support PictureControlData 35 yet. so we have to parse the debug data :-( */
+ buf[0] = '\0';
+ exif_get_mnote_tag(ed, 35, buf, sizeof(buf));
+
+ sscanf(buf, "(null): %u bytes unknown data: 303130%02X%40s%40s%*8s%02X%02X%02X%02X%02X%02X%02X",
+ &length, &version, &picturecontrolname[0], &picturecontrolbase[0],
+ &piccontroladj, &piccontrolquickadj,
+ &sharpness, &contrast, &brightness, &saturation, &hueadjustment
+ );
+
+ /* printf("--%s %d-%d-\n", buf, version, piccontroladj); */
+
+ for ( i=0; i<40; i++ )
+ {
+ sscanf(&picturecontrolname[2*i], "%2X", &j);
+ picturecontrolname[i] = j;
+ sscanf(&picturecontrolbase[2*i], "%2X", &j);
+ picturecontrolbase[i] = j;
+
+ }
+ exif_trim_spaces(picturecontrolname);
+ exif_trim_spaces(picturecontrolbase);
+
+ if ( ((length == 58) && (version == '0'))
+ && (piccontroladj < EXN_PIC_CTRL_ADJ_MAX)
+
+ )
+ {
+ snprintf(buffer, maxsize,
+ "PictCtrlData: Name: %s; Base: %s; CtrlAdj: %s; Quick: %d; Shrp: %d; Contr: %d; Brght: %d; Sat: %d; Hue: %d\n",
+ picturecontrolname, picturecontrolbase,
+ EXN_Pic_Ctrl_Adj[piccontroladj], piccontrolquickadj,
+ sharpness, contrast, brightness, saturation, hueadjustment);
+ }
+
+}
+
+
+
+
/* get nikon Flash info: control mode (168) info */
static void exn_get_mnote_nikon_168(ExifData *ed, char * buffer, unsigned int maxsize)
{
@@ -227,13 +337,18 @@ static void exn_get_mnote_nikon_168(ExifData *ed, char * buffer, unsigned int ma
unsigned int version = 0;
unsigned int length = 0;
unsigned int exn_fcm = (EXN_FLASH_CONTROL_MODES_MAX-1); /* default to N/A */
+ unsigned int flashoutput = 0;
+ unsigned int externalflashflags = 0;
+ unsigned int flashcompensation = 0;
/* 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);
+ sscanf(buf, "(null): %u bytes unknown data: 303130%02X%*8s%02X%02X%02X%02X", &length, &version, &externalflashflags, &exn_fcm, &flashoutput, &flashcompensation);
exn_fcm = exn_fcm & EXN_FLASH_CONTROL_MODE_MASK;
+ /* printf("%s - %d %d %d %d\n", buf, externalflashflags, exn_fcm, flashoutput, (signed char)flashcompensation); */
+
if ( (exn_fcm < EXN_FLASH_CONTROL_MODES_MAX)
&& ( ((length == 22) && (version == '3')) /* Nikon FlashInfo0103 */
|| ((length == 22) && (version == '4')) /* Nikon FlashInfo0104 */
@@ -242,7 +357,16 @@ static void exn_get_mnote_nikon_168(ExifData *ed, char * buffer, unsigned int ma
)
)
{
- snprintf(buffer, maxsize, "NikonFlashControlMode: %s\n", EXN_NikonFlashControlModeValues[exn_fcm]);
+
+ buf[0] = '\0';
+ exn_get_flash_output(flashoutput, buf, EXIF_STD_BUF_LEN);
+ snprintf(buffer, maxsize, "NikonFlashControlMode: %s (Power: %s)\n", EXN_NikonFlashControlModeValues[exn_fcm], buf);
+
+ /* External Flash Flags. Not as useful as expected. Not used (yet). */
+ /* if ( (externalflashflags & (1<<2)) ) -> Bounce Flash */
+ /* if ( (externalflashflags & (1<<4)) ) -> Wide Flash Adapter */
+ /* if ( (externalflashflags & (1<<5)) ) -> Dome Diffusor */
+
}
}
@@ -319,7 +443,6 @@ void exn_get_mnote_nikon_tags(ExifData *ed, unsigned int tag, char * buffer, uns
/* show only if flash was used */
case 8: /* Flash Setting */
case 9: /* Flash Mode */
- case 24: /* Flash exposure bracket value */
case 135: /* Flash used */
{
if ( !(strcmp("Flash: Flash did not fire\n", buf) == 0) )
@@ -330,12 +453,29 @@ void exn_get_mnote_nikon_tags(ExifData *ed, unsigned int tag, char * buffer, uns
}
break;
+ case 18: /* FlashExposureComp */
+ {
+ if ( !(strcmp("Flash: Flash did not fire\n", buf) == 0) )
+ {
+ /* show only if flash was fired */
+ exn_get_mnote_nikon_18(ed, buffer, maxsize);
+ }
+ }
+ break;
+
case 34:
{
/* ActiveD-Lighting */
exn_get_mnote_nikon_34(ed, buffer, maxsize);
}
break;
+
+ case 35:
+ {
+ /* PictureControlData */
+ exn_get_mnote_nikon_35(ed, buffer, maxsize);
+ }
+ break;
case 168:
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 18:02:40 +0000