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4349 Serge 1
/*
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 * Copyright (c) 2011 Miroslav Slugeň 
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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 "libavutil/attributes.h"
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#include "avformat.h"
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#include "rtpdec_formats.h"
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#define RTP_G726_HANDLER(bitrate) \
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static av_cold int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, \
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                                            PayloadContext *data) \
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{ \
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    AVStream *stream = s->streams[st_index]; \
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    AVCodecContext *codec = stream->codec; \
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\
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    codec->bits_per_coded_sample = bitrate/8; \
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    codec->bit_rate = codec->bits_per_coded_sample * codec->sample_rate; \
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\
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    return 0; \
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} \
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\
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RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \
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    .enc_name   = "G726-" #bitrate, \
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    .codec_type = AVMEDIA_TYPE_AUDIO, \
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    .codec_id   = AV_CODEC_ID_ADPCM_G726, \
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    .init       = g726_ ## bitrate ## _init, \
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}
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RTP_G726_HANDLER(16);
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RTP_G726_HANDLER(24);
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RTP_G726_HANDLER(32);
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RTP_G726_HANDLER(40);