1 files changed, 14 insertions, 0 deletions

diff --git a/baseline/source/gsm_dec/gsm.h b/baseline/source/gsm_dec/gsm.h
new file mode 100644
index 0000000..1d89577
--- /dev/null
+++ b/baseline/source/gsm_dec/gsm.h
@@ -0,0 +1,14 @@
+#ifndef GSM_DEC_GSM_H
+#define GSM_DEC_GSM_H
+
+/*
+    Interface
+*/
+typedef struct gsm_state *gsm;
+typedef short gsm_signal; /* signed 16 bit */
+typedef unsigned char gsm_byte;
+typedef gsm_byte gsm_frame[33]; /* 33 * 8 bits   */
+
+#define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */
+
+#endif /* GSM_DEC_GSM_H */