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EomExifDetails: Take Exif IFD into account when creating hash keys
This should solve conflicts with Exif values that have the same number
but are stored in different IFD blocks (e.g GPS and Interoperability).

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fxri authored and raveit65 committed Jul 15, 2018
1 parent 0c6a01d commit 667f5b20b5552eb045baefa4d79b1a0d99d24331
Showing with 12 additions and 3 deletions.
  1. +12 −3 src/eom-exif-details.c
@@ -451,13 +451,22 @@ exif_entry_cb (ExifEntry *entry, gpointer data)
ExifIfd ifd = exif_entry_get_ifd (entry);
char *path;
char b[1024];
const gint key = ifd << 16 | entry->tag;

/* This should optimize away if comparision is correct */
g_warn_if_fail (EXIF_IFD_COUNT <= G_MAXUINT16);

view = EOM_EXIF_DETAILS (data);
priv = view->priv;

store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));

path = g_hash_table_lookup (priv->id_path_hash, GINT_TO_POINTER (entry->tag));
/* Take the tag's IFD into account when caching their GtkTreePaths.
* That should fix key collisions for tags that have the same number
* but are stored in different IFDs. Exif tag numbers are 16-bit
* values so we should be able to set the high word to the IFD number.
path = g_hash_table_lookup (priv->id_path_hash, GINT_TO_POINTER (key));

if (path != NULL) {
set_row_data (store,
@@ -500,8 +509,8 @@ exif_entry_cb (ExifEntry *entry, gpointer data)

g_hash_table_insert (priv->id_path_hash,
GINT_TO_POINTER (entry->tag),

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