summaryrefslogtreecommitdiff
path: root/src/g711.c
diff options
context:
space:
mode:
authorChris Hiszpanski <chris@hiszpanski.name>2019-04-18 00:55:30 -0700
committerChris Hiszpanski <chris@hiszpanski.name>2021-04-04 01:23:16 -0700
commit6d88c555019f32509f303e23dcfbba824fecd2ee (patch)
tree9d976063b4cb63e2e8ad4529c6d597b4470464c7 /src/g711.c
Initial public commit.
mDNS and SDP are functional. Otherwise, library is still very much a work in progress. All tests pass.
Diffstat (limited to 'src/g711.c')
-rw-r--r--src/g711.c40
1 files changed, 40 insertions, 0 deletions
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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+
+#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;
+ }
+}