Merge pull request #6 from yimmon/master

add kaldi_seq

1 files changed, 131 insertions, 0 deletions

diff --git a/kaldi_seq/src/init.c b/kaldi_seq/src/init.c
new file mode 100644
index 0000000..9b38056
--- /dev/null
+++ b/kaldi_seq/src/init.c
@@ -0,0 +1,131 @@
+#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";
+
+static int mpe_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);
+    KaldiMPE *mpe = new_KaldiMPE(arg, mdl, lat, ali);
+    luaT_pushudata(L, mpe, nerv_kaldi_mpe_tname);
+    return 1;
+}
+
+static int mpe_destroy(lua_State *L) {
+    KaldiMPE *mpe = luaT_checkudata(L, 1, nerv_kaldi_mpe_tname);
+    destroy_KaldiMPE(mpe);
+    return 0;
+}
+
+static int mpe_check(lua_State *L) {
+    KaldiMPE *mpe = luaT_checkudata(L, 1, nerv_kaldi_mpe_tname);
+    const Matrix *cumat = luaT_checkudata(L, 2, nerv_matrix_cuda_float_tname);
+    const char *utt = luaL_checkstring(L, 3);
+
+    lua_pushboolean(L, check_mpe(mpe, cumat, utt));
+    return 1;
+}
+
+static int mpe_calc_diff(lua_State *L) {
+    KaldiMPE *mpe = luaT_checkudata(L, 1, nerv_kaldi_mpe_tname);
+    Matrix *mat = luaT_checkudata(L, 2, nerv_matrix_host_float_tname);
+    const char *utt = luaL_checkstring(L, 3);
+
+    Matrix *diff = calc_diff_mpe(mpe, mat, utt);
+    luaT_pushudata(L, diff, nerv_matrix_host_float_tname);
+    return 1;
+}
+
+static int mpe_get_num_frames(lua_State *L) {
+    KaldiMPE *mpe = luaT_checkudata(L, 1, nerv_kaldi_mpe_tname);
+    lua_pushnumber(L, get_num_frames_mpe(mpe));
+    return 1;
+}
+
+static int mpe_get_utt_frame_acc(lua_State *L) {
+    KaldiMPE *mpe = luaT_checkudata(L, 1, nerv_kaldi_mpe_tname);
+    lua_pushnumber(L, get_utt_frame_acc_mpe(mpe));
+    return 1;
+}
+
+static const luaL_Reg mpe_methods[] = {
+    {"check", mpe_check},
+    {"calc_diff", mpe_calc_diff},
+    {"get_num_frames", mpe_get_num_frames},
+    {"get_utt_frame_acc", mpe_get_utt_frame_acc},
+    {NULL, NULL}
+};
+
+static void mpe_init(lua_State *L) {
+    luaT_newmetatable(L, nerv_kaldi_mpe_tname, 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);
+}