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73 lines
2.4 KiB
73 lines
2.4 KiB
/*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef MSILBCDECODER_H
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#define MSILBCDECODER_H
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#include <msfilter.h>
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#include <mscodec.h>
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#include <iLBC_decode.h>
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/*this is the class that implements a ILBCdecoder filter*/
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#define MSILBCDECODER_MAX_INPUTS 1 /* max output per filter*/
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typedef struct _MSILBCDecoder
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{
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/* the MSILBCDecoder derivates from MSFilter, so the MSFilter object MUST be the first of the MSILBCDecoder object
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in order to the object mechanism to work*/
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MSFilter filter;
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MSQueue *q_inputs[MSILBCDECODER_MAX_INPUTS];
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MSFifo *f_outputs[MSILBCDECODER_MAX_INPUTS];
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iLBC_Dec_Inst_t ilbc_dec;
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int bitrate;
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int ms_per_frame;
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int samples_per_frame;
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int bytes_per_compressed_frame;
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} MSILBCDecoder;
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typedef struct _MSILBCDecoderClass
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{
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/* the MSILBCDecoder derivates from MSFilter, so the MSFilter class MUST be the first of the MSILBCDecoder class
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in order to the class mechanism to work*/
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MSFilterClass parent_class;
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} MSILBCDecoderClass;
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/* PUBLIC */
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/* call this before if don't load the plugin dynamically */
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void ms_ilbc_codec_init();
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#define MS_ILBCDECODER(filter) ((MSILBCDecoder*)(filter))
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#define MS_ILBCDECODER_CLASS(klass) ((MSILBCDecoderClass*)(klass))
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MSFilter * ms_ilbc_decoder_new(void);
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/* FOR INTERNAL USE*/
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void ms_ilbc_decoder_init(MSILBCDecoder *r);
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void ms_ilbc_decoder_class_init(MSILBCDecoderClass *klass);
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void ms_ilbc_decoder_destroy( MSILBCDecoder *obj);
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void ms_ilbc_decoder_process(MSILBCDecoder *r);
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extern MSCodecInfo ilbc_info;
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#endif
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