diff options
Diffstat (limited to 'channels/iax2/format_compatibility.c')
-rw-r--r-- | channels/iax2/format_compatibility.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/channels/iax2/format_compatibility.c b/channels/iax2/format_compatibility.c new file mode 100644 index 000000000..8085c2c26 --- /dev/null +++ b/channels/iax2/format_compatibility.c @@ -0,0 +1,73 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2014, Digium, Inc. + * + * Joshua Colp <jcolp@digium.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 Media Format Bitfield Compatibility API + * + * \author Joshua Colp <jcolp@digium.com> + */ + +/*** MODULEINFO + <support_level>core</support_level> + ***/ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/logger.h" +#include "asterisk/astobj2.h" +#include "asterisk/codec.h" +#include "asterisk/format.h" +#include "asterisk/format_compatibility.h" +#include "asterisk/format_cache.h" +#include "asterisk/format_cap.h" + +#include "include/format_compatibility.h" + +uint64_t iax2_format_compatibility_cap2bitfield(const struct ast_format_cap *cap) +{ + uint64_t bitfield = 0; + int x; + + for (x = 0; x < ast_format_cap_count(cap); x++) { + struct ast_format *format = ast_format_cap_get_format(cap, x); + + bitfield |= ast_format_compatibility_format2bitfield(format); + + ao2_ref(format, -1); + } + + return bitfield; +} + +int iax2_format_compatibility_bitfield2cap(uint64_t bitfield, struct ast_format_cap *cap) +{ + int x; + + for (x = 0; x < 64; x++) { + uint64_t tmp = (1ULL << x); + + if ((tmp & bitfield) && ast_format_cap_append(cap, ast_format_compatibility_bitfield2format(tmp), 0)) { + return -1; + } + } + + return 0; +} |