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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 2007 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
* Author: David Huggins-Daines <dhuggins@cs.cmu.edu>
*/
#ifndef __GST_POCKETSPHINX_H__
#define __GST_POCKETSPHINX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <pocketsphinx.h>
G_BEGIN_DECLS
#define GST_TYPE_POCKETSPHINX \
(gst_pocketsphinx_get_type())
#define GST_POCKETSPHINX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_POCKETSPHINX,GstPocketSphinx))
#define GST_POCKETSPHINX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_POCKETSPHINX,GstPocketSphinxClass))
#define GST_IS_POCKETSPHINX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_POCKETSPHINX))
#define GST_IS_POCKETSPHINX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_POCKETSPHINX))
typedef struct _GstPocketSphinx GstPocketSphinx;
typedef struct _GstPocketSphinxClass GstPocketSphinxClass;
struct _GstPocketSphinx
{
GstElement element;
GstAdapter *adapter;
GstPad *sinkpad, *srcpad;
ps_decoder_t *ps;
ps_endpointer_t *ep;
ps_config_t *config;
size_t frame_size;
gchar *latdir; /**< Output directory for word lattices. */
gint uttno;
GstClockTime last_result_time; /**< Timestamp of last partial result. */
char *last_result; /**< String of last partial result. */
};
struct _GstPocketSphinxClass
{
GstElementClass parent_class;
void (*partial_result) (GstElement *element, const gchar *hyp_str);
void (*result) (GstElement *element, const gchar *hyp_str);
};
GType gst_pocketsphinx_get_type(void);
/*
* Boxing of decoder.
*/
#define PS_DECODER_TYPE (ps_decoder_get_type())
GType ps_decoder_get_type(void);
G_END_DECLS
#endif /* __GST_POCKETSPHINX_H__ */
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