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-rw-r--r--src/decoder/_flac_common.c75
1 files changed, 38 insertions, 37 deletions
diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c
index c702f6715..5a16e7748 100644
--- a/src/decoder/_flac_common.c
+++ b/src/decoder/_flac_common.c
@@ -26,6 +26,8 @@
#include <FLAC/format.h>
#include <FLAC/metadata.h>
+#include <assert.h>
+
void
flac_data_init(struct flac_data *data, struct decoder * decoder,
struct input_stream *input_stream)
@@ -114,60 +116,59 @@ flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
return NULL;
}
-/* tracknumber is used in VCs, MPD uses "track" ..., all the other
- * tag names match */
-static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
-static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
-
+/**
+ * Check if the comment's name equals the passed name, and if so, copy
+ * the comment value into the tag.
+ */
static bool
-flac_copy_vorbis_comment(struct tag *tag,
- const FLAC__StreamMetadata_VorbisComment_Entry *entry,
- enum tag_type type)
+flac_copy_comment(struct tag *tag,
+ const FLAC__StreamMetadata_VorbisComment_Entry *entry,
+ const char *name, enum tag_type tag_type)
{
- const char *str;
- size_t slen;
- int vlen;
const char *value;
size_t value_length;
- switch (type) {
- case TAG_ITEM_TRACK:
- str = VORBIS_COMMENT_TRACK_KEY;
- break;
- case TAG_ITEM_DISC:
- str = VORBIS_COMMENT_DISC_KEY;
- break;
- default:
- str = mpdTagItemKeys[type];
- }
- slen = strlen(str);
- vlen = entry->length - slen - 1;
-
- value = flac_comment_value(entry, str, &value_length);
+ value = flac_comment_value(entry, name, &value_length);
if (value != NULL) {
- tag_add_item_n(tag, type, value, value_length);
+ tag_add_item_n(tag, tag_type, value, value_length);
return true;
}
return false;
}
+/* tracknumber is used in VCs, MPD uses "track" ..., all the other
+ * tag names match */
+static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
+static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
+
+static void
+flac_parse_comment(struct tag *tag,
+ const FLAC__StreamMetadata_VorbisComment_Entry *entry)
+{
+ assert(tag != NULL);
+
+ if (flac_copy_comment(tag, entry, VORBIS_COMMENT_TRACK_KEY,
+ TAG_ITEM_TRACK) ||
+ flac_copy_comment(tag, entry, VORBIS_COMMENT_DISC_KEY,
+ TAG_ITEM_DISC))
+ return;
+
+ for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
+ if (flac_copy_comment(tag, entry,
+ mpdTagItemKeys[i], i))
+ return;
+}
+
void
flac_vorbis_comments_to_tag(struct tag *tag,
const FLAC__StreamMetadata *block)
{
- unsigned int i, j;
- FLAC__StreamMetadata_VorbisComment_Entry *comments;
+ FLAC__StreamMetadata_VorbisComment_Entry *comments =
+ block->data.vorbis_comment.comments;
- comments = block->data.vorbis_comment.comments;
-
- for (i = block->data.vorbis_comment.num_comments; i != 0; --i) {
- for (j = TAG_NUM_OF_ITEM_TYPES; j--;) {
- if (flac_copy_vorbis_comment(tag, comments, j))
- break;
- }
- comments++;
- }
+ for (unsigned i = block->data.vorbis_comment.num_comments; i > 0; --i)
+ flac_parse_comment(tag, comments++);
}
void flac_metadata_common_cb(const FLAC__StreamMetadata * block,