add lookup feature IOlookup-reader

1 files changed, 18 insertions, 1 deletions

diff --git a/kaldi_io/init.lua b/kaldi_io/init.lua
index 9fdb080..b66625e 100644
--- a/kaldi_io/init.lua
+++ b/kaldi_io/init.lua
@@ -15,9 +15,20 @@ function KaldiReader:__init(global_conf, reader_conf)
 
     self.lab_repo = {}
     for id, mlf_spec in pairs(reader_conf.mlfs) do
+        if mlf_spec.format == nil then
+            nerv.error("format spec is expected for label %s", id)
+        end
         self.lab_repo[id] = nerv.KaldiLabelRepo(mlf_spec.targets_rspecifier,
                                             mlf_spec.format)
     end
+    self.lookup_repo = {}
+    for id, lookup_spec in pairs(reader_conf.lookup) do
+        if lookup_spec.map_rspecifier == nil then
+            nerv.error("map spec is expected for lookup %s", id)
+        end
+        self.lookup_repo[id] = nerv.KaldiLookupFeatureRepo(lookup_spec.targets_rspecifier,
+                                                           lookup_spec.map_rspecifier)
+    end
 end
 
 function KaldiReader:get_data()
@@ -34,11 +45,17 @@ function KaldiReader:get_data()
     -- add corresponding labels
     for id, repo in pairs(self.lab_repo) do
         local lab_utter = repo:get_utter(self.feat_repo,
-                                        self.frm_ext,
                                         transformed:nrow(),
                                         self.debug)
         res[id] = lab_utter
     end
+    -- add corresponding lookup features
+    for id, repo in pairs(self.lookup_repo) do
+        local lookup_utter = repo:get_utter(self.feat_repo,
+                                        transformed:nrow(),
+                                        self.debug)
+        res[id] = lookup_utter
+    end
     -- move the pointer to next
     self.feat_repo:next()
     collectgarbage("collect")