diff options
Diffstat (limited to 'init.lua')
| -rw-r--r-- | init.lua | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/init.lua b/init.lua new file mode 100644 index 0000000..1f20096 --- /dev/null +++ b/init.lua @@ -0,0 +1,43 @@ +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.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 + self.global_transf = reader_conf.global_transf +end + +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() + local expanded = nerv.CuMatrixFloat(feat_utter:nrow(), feat_utter:ncol() * step) + expanded:expand_frm(nerv.CuMatrixFloat.new_from_host(feat_utter), frm_ext) + local rearranged = expanded:create() + rearranged:rearrange_frm(expanded, step) + local input = {rearranged} + local output = {rearranged:create()} + self.global_transf:init() + self.global_transf:propagate(input, output) + expanded = nerv.CuMatrixFloat(output[1]:nrow() - frm_ext * 2, output[1]:ncol()) + expanded:copy_fromd(output[1], frm_ext, feat_utter:nrow() - frm_ext) + res[self.feat_id] = expanded + for id, repo in pairs(self.lab_repo) do + local lab_utter = repo:get_utter(self.feat_repo, expanded:nrow()) + res[id] = lab_utter + end + self.feat_repo:next() + return res +end |