From 6d88c555019f32509f303e23dcfbba824fecd2ee Mon Sep 17 00:00:00 2001 From: Chris Hiszpanski Date: Thu, 18 Apr 2019 00:55:30 -0700 Subject: Initial public commit. mDNS and SDP are functional. Otherwise, library is still very much a work in progress. All tests pass. --- src/g711.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/g711.c (limited to 'src/g711.c') diff --git a/src/g711.c b/src/g711.c new file mode 100644 index 0000000..47114d6 --- /dev/null +++ b/src/g711.c @@ -0,0 +1,40 @@ +/* + * liburtc + * Copyright (C) 2019 Chris Hiszpanski + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +#include "g711.h" + +void g711_encode(uint8_t *dst, const int16_t *src, size_t n) { + int i; + + for (i = 0; i < n; i++) { + dst[i] = pcm2ulaw[0x1FFF & (src[i] >> 3)]; + } +} + +void g711_decode(int16_t *dst, const uint8_t *src, size_t n) { + int i; + + for (i = 0; i < n; i++) { + fprintf(stderr, "i = %i, src[i] = %i\n", i, src[i]); + fprintf(stderr, "ulaw2pcm[i] = %i\n", ulaw2pcm[0]); +// dst[i] = ulaw2pcm[src[i]] << 3; + dst[i] = 0; + } +} -- cgit v1.2.3