add exif dateTime, allow some special characters in text meta

src/io/serialize.c

@@ -134,6 +134,8 @@ char *get_meta_key_text(enum metakey meta_key) {
             return "exif_iso_speed_ratings";
         case MetaExifModel:
             return "exif_model";
+        case MetaExifDateTime:
+            return "exif_datetime";
         default:
             return NULL;
     }
@@ -278,6 +280,7 @@ void read_index_bin(const char *path, const char *index_id, index_func func) {
                 case MetaExifFocalLength:
                 case MetaExifUserComment:
                 case MetaExifIsoSpeedRatings:
+                case MetaExifDateTime:
                 case MetaExifModel:
                 case MetaTitle: {
                     buf.cur = 0;

src/main.c

@@ -6,7 +6,7 @@
 #define EPILOG "Made by simon987 <me@simon987.net>. Released under GPL-3.0"
 
 
-static const char *const Version = "1.2.8";
+static const char *const Version = "1.2.9";
 static const char *const usage[] = {
         "sist2 scan [OPTION]... PATH",
         "sist2 index [OPTION]... INDEX",

src/parsing/media.c

@@ -209,6 +209,8 @@ append_video_meta(AVFormatContext *pFormatCtx, AVFrame *frame, document_t *doc,
                 APPEND_TAG_META(doc, tag, MetaExifIsoSpeedRatings)
             } else if (strcmp(tag->key, "ExposureTime") == 0) {
                 APPEND_TAG_META(doc, tag, MetaExifExposureTime)
+            } else if (strcmp(tag->key, "DateTime") == 0) {
+                APPEND_TAG_META(doc, tag, MetaExifDateTime)
             }
         }
     }

src/types.h

@@ -39,6 +39,7 @@ enum metakey {
     MetaExifUserComment = 20 | META_STR_MASK,
     MetaExifModel = 21 | META_STR_MASK,
     MetaExifIsoSpeedRatings = 22 | META_STR_MASK,
+    MetaExifDateTime = 23 | META_STR_MASK,
     //Note to self: this will break after 31 entries
 };
 

src/util.h

@@ -7,7 +7,7 @@
 #define INITIAL_BUF_SIZE 1024 * 16
 
 #define SHOULD_IGNORE_CHAR(c) !(SHOULD_KEEP_CHAR(c))
-#define SHOULD_KEEP_CHAR(c) ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'z') || (c > 127))
+#define SHOULD_KEEP_CHAR(c) ((c >= '\'' && c <= ';') || (c >= 'A' && c <= 'z') || (c > 127))
 
 
 typedef struct dyn_buffer {