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authorDeterminant <[email protected]>2015-08-24 15:49:02 +0800
committerDeterminant <[email protected]>2015-08-24 15:49:02 +0800
commit97425eb035b7e52918946f3799047fe48120d132 (patch)
tree7637e6411fdac936cf529f6f2aaf0fabc55c79c9 /kaldi_io/src/init.c
parentc3cffb58b9921d78753336421b52b9ffdaa5515c (diff)
add lookup feature IOlookup-reader
Diffstat (limited to 'kaldi_io/src/init.c')
-rw-r--r--kaldi_io/src/init.c63
1 files changed, 55 insertions, 8 deletions
diff --git a/kaldi_io/src/init.c b/kaldi_io/src/init.c
index 413452c..529895b 100644
--- a/kaldi_io/src/init.c
+++ b/kaldi_io/src/init.c
@@ -3,6 +3,7 @@
#include <stdio.h>
const char *nerv_kaldi_feat_repo_tname = "nerv.KaldiFeatureRepo";
+const char *nerv_kaldi_lookup_feat_repo_tname = "nerv.KaldiLookupFeatureRepo";
const char *nerv_kaldi_label_repo_tname = "nerv.KaldiLabelRepo";
const char *nerv_matrix_host_float_tname = "nerv.MMatrixFloat";
@@ -42,10 +43,51 @@ static int feat_repo_is_end(lua_State *L) {
return 1;
}
+static int feat_repo_key(lua_State *L) {
+ KaldiFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_feat_repo_tname);
+ lua_pushstring(L, kaldi_feature_repo_key(repo));
+ return 1;
+}
+
static const luaL_Reg feat_repo_methods[] = {
{"cur_utter", feat_repo_current_utterance},
{"next", feat_repo_next},
{"is_end", feat_repo_is_end},
+ {"key", feat_repo_key},
+ {NULL, NULL}
+};
+
+static int lookup_feat_repo_new(lua_State *L) {
+ const char *feature_rsepcifier = luaL_checkstring(L, 1);
+ const char *map_rspecifier = luaL_checkstring(L, 2);
+ KaldiLookupFeatureRepo *repo = kaldi_lookup_feature_repo_new(feature_rsepcifier, map_rspecifier);
+ luaT_pushudata(L, repo, nerv_kaldi_lookup_feat_repo_tname);
+ return 1;
+}
+
+static int lookup_feat_repo_destroy(lua_State *L) {
+ KaldiLookupFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_lookup_feat_repo_tname);
+ kaldi_lookup_feature_repo_destroy(repo);
+ return 0;
+}
+
+static int lookup_feat_repo_read_utterance(lua_State *L) {
+ KaldiLookupFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_lookup_feat_repo_tname);
+ KaldiFeatureRepo *feat_repo = luaT_checkudata(L, 2, nerv_kaldi_feat_repo_tname);
+ int nframes, debug;
+ if (!lua_isnumber(L, 3))
+ nerv_error(L, "nframes should be a number");
+ nframes = lua_tonumber(L, 3);
+ if (!lua_isboolean(L, 4))
+ nerv_error(L, "debug flag should be a boolean");
+ debug = lua_toboolean(L, 4);
+ Matrix *utter = kaldi_lookup_feature_repo_read_utterance(repo, feat_repo, nframes, L, debug);
+ luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
+ return 1;
+}
+
+static const luaL_Reg lookup_feat_repo_methods[] = {
+ {"get_utter", lookup_feat_repo_read_utterance},
{NULL, NULL}
};
@@ -60,17 +102,14 @@ static int label_repo_new(lua_State *L) {
static int label_repo_read_utterance(lua_State *L) {
KaldiLabelRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_label_repo_tname);
KaldiFeatureRepo *feat_repo = luaT_checkudata(L, 2, nerv_kaldi_feat_repo_tname);
- int frm_ext, nframes, debug;
+ int nframes, debug;
if (!lua_isnumber(L, 3))
- nerv_error(L, "frm_ext should be a number");
- frm_ext = lua_tonumber(L, 3);
- if (!lua_isnumber(L, 4))
nerv_error(L, "nframes should be a number");
- nframes = lua_tonumber(L, 4);
- if (!lua_isboolean(L, 5))
+ nframes = lua_tonumber(L, 3);
+ if (!lua_isboolean(L, 4))
nerv_error(L, "debug flag should be a boolean");
- debug = lua_toboolean(L, 5);
- Matrix *utter = kaldi_label_repo_read_utterance(repo, feat_repo, frm_ext, nframes, L, debug);
+ debug = lua_toboolean(L, 4);
+ Matrix *utter = kaldi_label_repo_read_utterance(repo, feat_repo, nframes, L, debug);
luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
return 1;
}
@@ -93,6 +132,13 @@ static void feat_repo_init(lua_State *L) {
lua_pop(L, 1);
}
+static void lookup_feat_repo_init(lua_State *L) {
+ luaT_newmetatable(L, nerv_kaldi_lookup_feat_repo_tname, NULL,
+ lookup_feat_repo_new, lookup_feat_repo_destroy, NULL);
+ luaL_register(L, NULL, lookup_feat_repo_methods);
+ lua_pop(L, 1);
+}
+
static void label_repo_init(lua_State *L) {
luaT_newmetatable(L, nerv_kaldi_label_repo_tname, NULL,
label_repo_new, label_repo_destroy, NULL);
@@ -102,5 +148,6 @@ static void label_repo_init(lua_State *L) {
void kaldi_io_init(lua_State *L) {
feat_repo_init(L);
+ lookup_feat_repo_init(L);
label_repo_init(L);
}