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https://gitlab.linphone.org/BC/public/linphone-iphone.git
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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MSLPC10ENCODER_H
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#define MSLPC10ENCODER_H
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#include "mscodec.h"
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int
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read_16bit_samples(gint16 int16samples[], float speech[], int n);
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int
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write_16bit_samples(gint16 int16samples[], float speech[], int n);
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void
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write_bits(unsigned char *data, gint32 *bits, int len);
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int
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read_bits(unsigned char *data, gint32 *bits, int len);
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/*this is the class that implements a LPC10encoder filter*/
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#define MSLPC10ENCODER_MAX_INPUTS 1 /* max output per filter*/
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typedef struct _MSLPC10Encoder
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{
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/* the MSLPC10Encoder derivates from MSFilter, so the MSFilter object MUST be the first of the MSLPC10Encoder object
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in order to the object mechanism to work*/
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MSFilter filter;
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MSFifo *f_inputs[MSLPC10ENCODER_MAX_INPUTS];
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MSFifo *f_outputs[MSLPC10ENCODER_MAX_INPUTS];
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struct lpc10_encoder_state *lpc10_enc;
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} MSLPC10Encoder;
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typedef struct _MSLPC10EncoderClass
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{
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/* the MSLPC10Encoder derivates from MSFilter, so the MSFilter class MUST be the first of the MSLPC10Encoder class
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in order to the class mechanism to work*/
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MSFilterClass parent_class;
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} MSLPC10EncoderClass;
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/* PUBLIC */
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#define MS_LPC10ENCODER(filter) ((MSLPC10Encoder*)(filter))
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#define MS_LPC10ENCODER_CLASS(klass) ((MSLPC10EncoderClass*)(klass))
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MSFilter * ms_LPC10encoder_new(void);
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/* FOR INTERNAL USE*/
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void ms_LPC10encoder_init(MSLPC10Encoder *r);
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void ms_LPC10encoder_class_init(MSLPC10EncoderClass *klass);
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void ms_LPC10encoder_destroy( MSLPC10Encoder *obj);
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void ms_LPC10encoder_process(MSLPC10Encoder *r);
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#endif
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