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#include "nerv/lib/common.h"
#include "nerv/matrix/matrix.h"
#include "cwrapper_kaldi.h"
#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";
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) {
MContext *context;
MMATRIX_GET_CONTEXT(L, 3);
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, context);
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 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) {
MContext *context;
MMATRIX_GET_CONTEXT(L, 5);
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, context);
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}
};
static int label_repo_new(lua_State *L) {
const char *targets_rspecifier = luaL_checkstring(L, 1);
KaldiLabelRepo *repo = kaldi_label_repo_new(targets_rspecifier);
luaT_pushudata(L, repo, nerv_kaldi_label_repo_tname);
return 1;
}
static int label_repo_read_utterance(lua_State *L) {
MContext *context;
MMATRIX_GET_CONTEXT(L, 5);
KaldiLabelRepo *repo = luaT_checkudata(L, 1, nerv_kaldi_label_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_label_repo_read_utterance(repo, feat_repo, nframes,
L, debug, context);
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 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);
luaL_register(L, NULL, label_repo_methods);
lua_pop(L, 1);
}
void kaldi_io_init(lua_State *L) {
feat_repo_init(L);
lookup_feat_repo_init(L);
label_repo_init(L);
}
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