From a74183ddb4ab8383bfe214b3745eb8a0a99ee47a Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Thu, 25 Jun 2015 12:56:45 +0800
Subject: let HTK I/O implementation be a single package

---
 init.lua | 62 --------------------------------------------------------------
 1 file changed, 62 deletions(-)
 delete mode 100644 init.lua

(limited to 'init.lua')

diff --git a/init.lua b/init.lua
deleted file mode 100644
index fec7209..0000000
--- a/init.lua
+++ /dev/null
@@ -1,62 +0,0 @@
-require 'libspeech'
-local TNetReader = nerv.class("nerv.TNetReader", "nerv.DataReader")
-
-function TNetReader:__init(global_conf, reader_conf)
-    self.feat_id = reader_conf.id
-    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)
-    self.lab_repo = {}
-    for id, mlf_spec in pairs(reader_conf.mlfs) do
-        self.lab_repo[id] = nerv.TNetLabelRepo(mlf_spec.file,
-                                            mlf_spec.format,
-                                            mlf_spec.format_arg,
-                                            mlf_spec.dir,
-                                            mlf_spec.ext)
-    end
-end
-
-function TNetReader:get_data()
-    if self.feat_repo:is_end() then
-        return nil
-    end
-    local res = {}
-    local frm_ext = self.frm_ext
-    local step = frm_ext * 2 + 1
-    -- 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(),
-                                        self.debug)
-        res[id] = lab_utter
-    end
-    -- move the pointer to next
-    self.feat_repo:next()
-    collectgarbage("collect")
-    return res
-end
-- 
cgit v1.2.3