/* * Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz> * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/attributes.h" #include "avformat.h" #include "rtpdec_formats.h" #define RTP_G726_HANDLER(bitrate) \ static av_cold int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, \ PayloadContext *data) \ { \ AVStream *stream = s->streams[st_index]; \ AVCodecParameters *par = stream->codecpar; \ \ par->bits_per_coded_sample = bitrate/8; \ par->bit_rate = par->bits_per_coded_sample * par->sample_rate; \ \ return 0; \ } \ \ RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \ .enc_name = "G726-" #bitrate, \ .codec_type = AVMEDIA_TYPE_AUDIO, \ .codec_id = AV_CODEC_ID_ADPCM_G726, \ .init = g726_ ## bitrate ## _init, \ } RTP_G726_HANDLER(16); RTP_G726_HANDLER(24); RTP_G726_HANDLER(32); RTP_G726_HANDLER(40);