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Diffstat (limited to 'include/asterisk/opus.h')
| -rw-r--r-- | include/asterisk/opus.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asterisk/opus.h b/include/asterisk/opus.h new file mode 100644 index 000000000..0fbcfa10e --- /dev/null +++ b/include/asterisk/opus.h @@ -0,0 +1,41 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2013, Digium, Inc. + * + * Lorenzo Miniero <lorenzo@meetecho.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! + * \file + * \brief Opus Format Attributes (http://tools.ietf.org/html/draft-ietf-payload-rtp-opus) + * + * \author Lorenzo Miniero <lorenzo@meetecho.com> + */ +#ifndef _AST_FORMAT_OPUS_H_ +#define _AST_FORMAT_OPUS_H_ + +/*! Opus format attribute key value pairs, all are accessible through ast_format_get_value()*/ +enum opus_attr_keys { + OPUS_ATTR_KEY_MAX_BITRATE, /*! value is an int (6000-510000 in spec). */ + OPUS_ATTR_KEY_MAX_PLAYRATE, /*! value is an int (8000-48000), maximum output rate the receiver can render. */ + OPUS_ATTR_KEY_MINPTIME, /*! value is an int (3-120 in spec, 10-60 in format.c), decoder's minimum length of time in milliseconds. */ + OPUS_ATTR_KEY_STEREO, /*! value is an int, 1 prefer receiving stereo, 0 prefer mono. */ + OPUS_ATTR_KEY_CBR, /*! value is an int, 1 use constant bitrate, 0 use variable bitrate. */ + OPUS_ATTR_KEY_FEC, /*! value is an int, 1 encode with FEC, 0 do not use FEC. */ + OPUS_ATTR_KEY_DTX, /*! value is an int, 1 dtx is enabled, 0 dtx not enabled. */ + OPUS_ATTR_KEY_SPROP_CAPTURE_RATE, /*! value is an int (8000-48000), likely input rate we're going to produce. */ + OPUS_ATTR_KEY_SPROP_STEREO, /*! value is an int, 1 likely to send stereo, 0 likely to send mono. */ +}; + +#endif /* _AST_FORMAT_OPUS_H */ |