Merge github.com:reald/feh (7e0e15e1) · Commits · derf / feh

src/exif.c

+47 −5

Original line number	Diff line number	Diff line
		@@ -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));

		}

		}

src/exif_nikon.h

0 → 100644

+41 −0

Original line number	Diff line number	Diff line
		/* 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

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