130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2014, Digium, Inc.
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*
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* Joshua Colp <jcolp@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief Media Format Bitfield Compatibility API
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*
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* \author Joshua Colp <jcolp@digium.com>
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*/
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#ifndef _AST_FORMAT_COMPATIBILITY_H_
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#define _AST_FORMAT_COMPATIBILITY_H_
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struct ast_format;
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struct ast_codec;
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/*
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* Legacy bitfields for specific formats
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*/
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/*! G.723.1 compression */
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#define AST_FORMAT_G723 (1ULL << 0)
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/*! GSM compression */
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#define AST_FORMAT_GSM (1ULL << 1)
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/*! Raw mu-law data (G.711) */
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#define AST_FORMAT_ULAW (1ULL << 2)
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/*! Raw A-law data (G.711) */
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#define AST_FORMAT_ALAW (1ULL << 3)
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/*! ADPCM (G.726, 32kbps, AAL2 codeword packing) */
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#define AST_FORMAT_G726_AAL2 (1ULL << 4)
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/*! ADPCM (IMA) */
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#define AST_FORMAT_ADPCM (1ULL << 5)
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/*! Raw 16-bit Signed Linear (8000 Hz) PCM */
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#define AST_FORMAT_SLIN (1ULL << 6)
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/*! LPC10, 180 samples/frame */
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#define AST_FORMAT_LPC10 (1ULL << 7)
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/*! G.729A audio */
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#define AST_FORMAT_G729 (1ULL << 8)
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/*! SpeeX Free Compression */
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#define AST_FORMAT_SPEEX (1ULL << 9)
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/*! iLBC Free Compression */
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#define AST_FORMAT_ILBC (1ULL << 10)
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/*! ADPCM (G.726, 32kbps, RFC3551 codeword packing) */
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#define AST_FORMAT_G726 (1ULL << 11)
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/*! G.722 */
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#define AST_FORMAT_G722 (1ULL << 12)
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/*! G.722.1 (also known as Siren7, 32kbps assumed) */
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#define AST_FORMAT_SIREN7 (1ULL << 13)
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/*! G.722.1 Annex C (also known as Siren14, 48kbps assumed) */
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#define AST_FORMAT_SIREN14 (1ULL << 14)
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/*! Raw 16-bit Signed Linear (16000 Hz) PCM */
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#define AST_FORMAT_SLIN16 (1ULL << 15)
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/*! G.719 (64 kbps assumed) */
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#define AST_FORMAT_G719 (1ULL << 32)
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/*! SpeeX Wideband (16kHz) Free Compression */
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#define AST_FORMAT_SPEEX16 (1ULL << 33)
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/*! Opus audio (8kHz, 16kHz, 24kHz, 48Khz) */
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#define AST_FORMAT_OPUS (1ULL << 34)
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/*! Raw testing-law data (G.711) */
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/* #define AST_FORMAT_TESTLAW (1ULL << 47) */
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/*! H.261 Video */
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#define AST_FORMAT_H261 (1ULL << 18)
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/*! H.263 Video */
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#define AST_FORMAT_H263 (1ULL << 19)
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/*! H.263+ Video */
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#define AST_FORMAT_H263P (1ULL << 20)
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/*! H.264 Video */
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#define AST_FORMAT_H264 (1ULL << 21)
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/*! MPEG4 Video */
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#define AST_FORMAT_MP4 (1ULL << 22)
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/*! VP8 Video */
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#define AST_FORMAT_VP8 (1ULL << 23)
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/*! JPEG Images */
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#define AST_FORMAT_JPEG (1ULL << 16)
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/*! PNG Images */
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#define AST_FORMAT_PNG (1ULL << 17)
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/*! T.140 RED Text format RFC 4103 */
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#define AST_FORMAT_T140_RED (1ULL << 26)
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/*! T.140 Text format - ITU T.140, RFC 4103 */
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#define AST_FORMAT_T140 (1ULL << 27)
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/*!
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* \brief Convert a format structure to its respective bitfield
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*
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* \param format The media format
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*
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* \retval non-zero success
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* \retval zero format not supported
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*/
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uint64_t ast_format_compatibility_format2bitfield(const struct ast_format *format);
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/*!
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* \brief Convert a codec structure to its respective bitfield
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*
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* \param codec The media codec
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*
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* \retval non-zero success
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* \retval zero format not supported
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*/
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uint64_t ast_format_compatibility_codec2bitfield(const struct ast_codec *codec);
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/*!
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* \brief Convert a bitfield to its respective format structure
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*
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* \param bitfield The bitfield for the media format
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*
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* \retval non-NULL success
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* \retval NULL failure (The format bitfield value is not supported)
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*
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* \note The reference count of the returned format is NOT incremented
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*/
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struct ast_format *ast_format_compatibility_bitfield2format(uint64_t bitfield);
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#endif /* _AST_FORMAT_COMPATIBILITY_H */
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