bring in what was FLAC__seek_table_is_valid()
diff --git a/src/libFLAC/metadata_object.c b/src/libFLAC/metadata_object.c
index 50410fd..aa379fa 100644
--- a/src/libFLAC/metadata_object.c
+++ b/src/libFLAC/metadata_object.c
@@ -456,6 +456,33 @@
return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points-1);
}
+FLAC__bool FLAC__metadata_object_seektable_is_legal(const FLAC__StreamMetaData *object)
+{
+ unsigned i;
+ FLAC__uint64 last_sample_number = 0;
+ FLAC__bool got_last = false;
+
+ FLAC__ASSERT(0 != object);
+ FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
+
+ {
+ const FLAC__StreamMetaData_SeekTable *seek_table = &object->data.seek_table;
+
+ for(i = 0; i < seek_table->num_points; i++) {
+ if(seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
+ if(got_last) {
+ if(seek_table->points[i].sample_number <= last_sample_number)
+ return false;
+ }
+ last_sample_number = seek_table->points[i].sample_number;
+ got_last = true;
+ }
+ }
+ }
+
+ return true;
+}
+
FLAC__bool FLAC__metadata_object_vorbiscomment_set_vendor_string(FLAC__StreamMetaData *object, FLAC__StreamMetaData_VorbisComment_Entry entry, FLAC__bool copy)
{
return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.vendor_string, &entry, copy);