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48 lines
1.6 KiB
48 lines
1.6 KiB
/* |
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* Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz> |
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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);
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