From be0e51156e1af9d619160bba1aa7c2eb2df30731 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 5 Jun 2015 10:58:38 +0800
Subject: add debug flag

---
 init.lua | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'init.lua')

diff --git a/init.lua b/init.lua
index 39a1e9e..fec7209 100644
--- a/init.lua
+++ b/init.lua
@@ -6,6 +6,10 @@ function TNetReader:__init(global_conf, reader_conf)
     self.frm_ext = reader_conf.frm_ext
     self.gconf = global_conf
     self.global_transf = reader_conf.global_transf
+    self.debug = global_conf.debug
+    if self.debug == nil then
+        self.debug = false
+    end
     self.feat_repo = nerv.TNetFeatureRepo(reader_conf.scp_file,
                                           reader_conf.conf_file,
                                           reader_conf.frm_ext)
@@ -26,22 +30,33 @@ function TNetReader:get_data()
     local res = {}
     local frm_ext = self.frm_ext
     local step = frm_ext * 2 + 1
-    local feat_utter = self.feat_repo:cur_utter()
+    -- read HTK feature
+    local feat_utter = self.feat_repo:cur_utter(self.debug)
+    -- expand the feature
     local expanded = self.gconf.cumat_type(feat_utter:nrow(), feat_utter:ncol() * step)
     expanded:expand_frm(self.gconf.cumat_type.new_from_host(feat_utter), frm_ext)
+    -- rearrange the feature (``transpose'' operation in TNet)
     local rearranged = expanded:create()
     rearranged:rearrange_frm(expanded, step)
+    -- prepare for transf
     local input = {rearranged}
     local output = {rearranged:create()}
+    -- do transf
     self.global_transf:init(input[1]:nrow())
     self.global_transf:propagate(input, output)
+    -- trim frames
     expanded = self.gconf.mmat_type(output[1]:nrow() - frm_ext * 2, output[1]:ncol())
     output[1]:copy_toh(expanded, frm_ext, feat_utter:nrow() - frm_ext)
     res[self.feat_id] = expanded
+    -- add corresponding labels
     for id, repo in pairs(self.lab_repo) do
-        local lab_utter = repo:get_utter(self.feat_repo, expanded:nrow())
+        local lab_utter = repo:get_utter(self.feat_repo,
+                                        expanded:nrow(),
+                                        self.debug)
         res[id] = lab_utter
     end
+    -- move the pointer to next
     self.feat_repo:next()
+    collectgarbage("collect")
     return res
 end
-- 
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