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53 lines
1.4 KiB
53 lines
1.4 KiB
16 years ago
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/*
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* G.729 decoder
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* Copyright (c) 2008 Vladimir Voroshilov
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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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#include <stdlib.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <assert.h>
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#include "avcodec.h"
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#include "libavutil/avutil.h"
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#include "bitstream.h"
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/**
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* \brief pseudo random number generator
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*/
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static inline uint16_t g729_random(uint16_t value)
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{
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return 31821 * value + 13849;
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}
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AVCodec g729_decoder =
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{
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"g729",
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CODEC_TYPE_AUDIO,
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CODEC_ID_G729,
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sizeof(G729_Context),
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ff_g729_decoder_init,
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NULL,
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NULL,
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ff_g729_decode_frame,
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.long_name = NULL_IF_CONFIG_SMALL("G.729"),
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};
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