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libavcodec
msgsmdec.c
Go to the documentation of this file.
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/*
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* gsm 06.10 decoder, Microsoft variant
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* Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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*
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* FFmpeg 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; 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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#define BITSTREAM_READER_LE
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#include "
avcodec.h
"
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#include "
msgsmdec.h
"
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#include "
gsm.h
"
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#include "
gsmdec_template.c
"
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int
ff_msgsm_decode_block
(
AVCodecContext
*avctx, int16_t *
samples
,
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const
uint8_t
*buf)
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{
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int
res;
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GetBitContext
gb;
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init_get_bits
(&gb, buf,
GSM_MS_BLOCK_SIZE
* 8);
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res =
gsm_decode_block
(avctx, samples, &gb);
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if
(res < 0)
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return
res;
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return
gsm_decode_block
(avctx, samples +
GSM_FRAME_SIZE
, &gb);
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}
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