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authorDeterminant <[email protected]>2015-08-14 11:51:42 +0800
committerDeterminant <[email protected]>2015-08-14 11:51:42 +0800
commit96a32415ab43377cf1575bd3f4f2980f58028209 (patch)
tree30a2d92d73e8f40ac87b79f6f56e227bfc4eea6e /kaldi_io/src/init.c
parentc177a7549bd90670af4b29fa813ddea32cfe0f78 (diff)
add implementation for kaldi io (by ymz)
Diffstat (limited to 'kaldi_io/src/init.c')
-rw-r--r--kaldi_io/src/init.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/kaldi_io/src/init.c b/kaldi_io/src/init.c
new file mode 100644
index 0000000..413452c
--- /dev/null
+++ b/kaldi_io/src/init.c
@@ -0,0 +1,106 @@
+#include "nerv/common.h"
+#include "cwrapper_kaldi.h"
+#include <stdio.h>
+
+const char *nerv_kaldi_feat_repo_tname = "nerv.KaldiFeatureRepo";
+const char *nerv_kaldi_label_repo_tname = "nerv.KaldiLabelRepo";
+const char *nerv_matrix_host_float_tname = "nerv.MMatrixFloat";
+
+static int feat_repo_new(lua_State *L) {
+ const char *feature_rsepcifier = luaL_checkstring(L, 1);
+ KaldiFeatureRepo *repo = kaldi_feature_repo_new(feature_rsepcifier);
+ luaT_pushudata(L, repo, nerv_kaldi_feat_repo_tname);
+ return 1;
+}
+
+static int feat_repo_destroy(lua_State *L) {
+ KaldiFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_feat_repo_tname);
+ kaldi_feature_repo_destroy(repo);
+ return 0;
+}
+
+static int feat_repo_current_utterance(lua_State *L) {
+ KaldiFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_feat_repo_tname);
+ int debug;
+ if (!lua_isboolean(L, 2))
+ nerv_error(L, "debug flag should be a boolean");
+ debug = lua_toboolean(L, 2);
+ Matrix *utter = kaldi_feature_repo_read_utterance(repo, L, debug);
+ luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
+ return 1;
+}
+
+static int feat_repo_next(lua_State *L) {
+ KaldiFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_feat_repo_tname);
+ kaldi_feature_repo_next(repo);
+ return 0;
+}
+
+static int feat_repo_is_end(lua_State *L) {
+ KaldiFeatureRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_feat_repo_tname);
+ lua_pushboolean(L, kaldi_feature_repo_is_end(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},
+ {NULL, NULL}
+};
+
+static int label_repo_new(lua_State *L) {
+ const char *targets_rspecifier = luaL_checkstring(L, 1);
+ const char *fmt = luaL_checkstring(L, 2);
+ KaldiLabelRepo *repo = kaldi_label_repo_new(targets_rspecifier, fmt);
+ luaT_pushudata(L, repo, nerv_kaldi_label_repo_tname);
+ return 1;
+}
+
+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;
+ 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))
+ 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);
+ luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
+ return 1;
+}
+
+static int label_repo_destroy(lua_State *L) {
+ KaldiLabelRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_label_repo_tname);
+ kaldi_label_repo_destroy(repo);
+ return 0;
+}
+
+static const luaL_Reg label_repo_methods[] = {
+ {"get_utter", label_repo_read_utterance},
+ {NULL, NULL}
+};
+
+static void feat_repo_init(lua_State *L) {
+ luaT_newmetatable(L, nerv_kaldi_feat_repo_tname, NULL,
+ feat_repo_new, feat_repo_destroy, NULL);
+ luaL_register(L, NULL, 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);
+ luaL_register(L, NULL, label_repo_methods);
+ lua_pop(L, 1);
+}
+
+void kaldi_io_init(lua_State *L) {
+ feat_repo_init(L);
+ label_repo_init(L);
+}