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src/gst-plugin/gst-online-gmm-decode-faster.h
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// gst-plugin/gst-online-gmm-decode-faster.h
// Copyright 2013 Tanel Alumae, Tallinn University of Technology
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#ifndef KALDI_GST_PLUGIN_GST_ONLINE_GMM_DECODE_FASTER_H_
#define KALDI_GST_PLUGIN_GST_ONLINE_GMM_DECODE_FASTER_H_
#include <vector>
#include <gst/gst.h>
#include "feat/feature-mfcc.h"
#include "online/online-audio-source.h"
#include "online/online-feat-input.h"
#include "online/online-decodable.h"
#include "online/online-faster-decoder.h"
#include "online/onlinebin-util.h"
#include "util/simple-options.h"
#include "gst-plugin/gst-audio-source.h"
namespace kaldi {
typedef OnlineFeInput<Mfcc> FeInput;
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_ONLINEGMMDECODEFASTER \
(gst_online_gmm_decode_faster_get_type())
#define GST_ONLINEGMMDECODEFASTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ONLINEGMMDECODEFASTER,GstOnlineGmmDecodeFaster))
#define GST_ONLINEGMMDECODEFASTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ONLINEGMMDECODEFASTER,GstOnlineGmmDecodeFasterClass))
#define GST_IS_ONLINEGMMDECODEFASTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ONLINEGMMDECODEFASTER))
#define GST_IS_ONLINEGMMDECODEFASTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ONLINEGMMDECODEFASTER))
typedef struct _GstOnlineGmmDecodeFaster GstOnlineGmmDecodeFaster;
typedef struct _GstOnlineGmmDecodeFasterClass GstOnlineGmmDecodeFasterClass;
uint32 kSampleFreq = 16000;
struct _GstOnlineGmmDecodeFaster {
GstElement element;
GstPad *sinkpad_, *srcpad_;
bool silent_;
OnlineFasterDecoder *decoder_;
Matrix<BaseFloat> *lda_transform_;
TransitionModel *trans_model_;
AmDiagGmm *am_gmm_;
fst::Fst<fst::StdArc> *decode_fst_;
fst::SymbolTable *word_syms_;
fst::VectorFst<LatticeArc> *out_fst_;
GstBufferSource *au_src_;
gchar* model_rspecifier_;
gchar* fst_rspecifier_;
gchar* word_syms_filename_;
gchar* lda_mat_rspecifier_;
std::vector<int32> *silence_phones_;
BaseFloat acoustic_scale_;
int32 cmn_window_;
int32 min_cmn_window_;
int32 right_context_, left_context_;
OnlineFasterDecoderOpts *decoder_opts_;
OnlineFeatureMatrixOptions *feature_reading_opts_;
SimpleOptions *simple_options_;
};
struct _GstOnlineGmmDecodeFasterClass {
GstElementClass parent_class;
void (*hyp_word)(GstElement *element, const gchar *hyp_str);
};
GType gst_online_gmm_decode_faster_get_type(void);
G_END_DECLS
}
#endif // KALDI_GST_PLUGIN_GST_ONLINE_GMM_DECODE_FASTER_H_
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