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authorYimmon Zhuang <[email protected]>2015-10-08 22:29:10 +0800
committerYimmon Zhuang <[email protected]>2015-10-08 22:29:10 +0800
commitccbafeb6f44cee8f23eb440a670ce16fdda58682 (patch)
tree5b46e3f3c6d9461ed718f9c226f61a4f3749f522 /kaldi_seq/src/init.c
parent3d85aeadc910c6f7fe067061a960e30aed5f7135 (diff)
MMI support
Diffstat (limited to 'kaldi_seq/src/init.c')
-rw-r--r--kaldi_seq/src/init.c60
1 files changed, 59 insertions, 1 deletions
diff --git a/kaldi_seq/src/init.c b/kaldi_seq/src/init.c
index 88d0a80..9b38056 100644
--- a/kaldi_seq/src/init.c
+++ b/kaldi_seq/src/init.c
@@ -1,8 +1,10 @@
#include "nerv/common.h"
#include "kaldi_mpe.h"
+#include "kaldi_mmi.h"
#include <stdio.h>
const char *nerv_kaldi_mpe_tname = "nerv.KaldiMPE";
+const char *nerv_kaldi_mmi_tname = "nerv.KaldiMMI";
const char *nerv_matrix_cuda_float_tname = "nerv.CuMatrixFloat";
const char *nerv_matrix_host_float_tname = "nerv.MMatrixFloat";
@@ -63,11 +65,67 @@ static const luaL_Reg mpe_methods[] = {
static void mpe_init(lua_State *L) {
luaT_newmetatable(L, nerv_kaldi_mpe_tname, NULL,
- mpe_new, mpe_destroy, NULL);
+ mpe_new, mpe_destroy, NULL);
luaL_register(L, NULL, mpe_methods);
lua_pop(L, 1);
}
+static int mmi_new(lua_State *L) {
+ const char *arg = luaL_checkstring(L, 1);
+ const char *mdl = luaL_checkstring(L, 2);
+ const char *lat = luaL_checkstring(L, 3);
+ const char *ali = luaL_checkstring(L, 4);
+ KaldiMMI *mmi = new_KaldiMMI(arg, mdl, lat, ali);
+ luaT_pushudata(L, mmi, nerv_kaldi_mmi_tname);
+ return 1;
+}
+
+static int mmi_destroy(lua_State *L) {
+ KaldiMMI *mmi = luaT_checkudata(L, 1, nerv_kaldi_mmi_tname);
+ destroy_KaldiMMI(mmi);
+ return 0;
+}
+
+static int mmi_check(lua_State *L) {
+ KaldiMMI *mmi = luaT_checkudata(L, 1, nerv_kaldi_mmi_tname);
+ const Matrix *cumat = luaT_checkudata(L, 2, nerv_matrix_cuda_float_tname);
+ const char *utt = luaL_checkstring(L, 3);
+
+ lua_pushboolean(L, check_mmi(mmi, cumat, utt));
+ return 1;
+}
+
+static int mmi_calc_diff(lua_State *L) {
+ KaldiMMI *mmi = luaT_checkudata(L, 1, nerv_kaldi_mmi_tname);
+ Matrix *mat = luaT_checkudata(L, 2, nerv_matrix_host_float_tname);
+ const char *utt = luaL_checkstring(L, 3);
+
+ Matrix *diff = calc_diff_mmi(mmi, mat, utt);
+ luaT_pushudata(L, diff, nerv_matrix_host_float_tname);
+ return 1;
+}
+
+static int mmi_get_num_frames(lua_State *L) {
+ KaldiMMI *mmi = luaT_checkudata(L, 1, nerv_kaldi_mmi_tname);
+ lua_pushnumber(L, get_num_frames_mmi(mmi));
+ return 1;
+}
+
+static const luaL_Reg mmi_methods[] = {
+ {"check", mmi_check},
+ {"calc_diff", mmi_calc_diff},
+ {"get_num_frames", mmi_get_num_frames},
+ {NULL, NULL}
+};
+
+static void mmi_init(lua_State *L) {
+ luaT_newmetatable(L, nerv_kaldi_mmi_tname, NULL,
+ mmi_new, mmi_destroy, NULL);
+ luaL_register(L, NULL, mmi_methods);
+ lua_pop(L, 1);
+}
+
void kaldi_seq_init(lua_State *L) {
mpe_init(L);
+ mmi_init(L);
}