ortp_send.c: fix to gcc signedness warnings

diff --git a/ortp_send.c b/ortp_send.c
index b084bb68ac4b89b3a3921c5d002d00444ba14cb3..deb7d94763dfe53b6a58963bd0360175eda171de 100644 (file)
--- a/ortp_send.c
+++ b/ortp_send.c
@@ -78,7 +78,7 @@ static void ortp_send_buf(char *buf, int len, long unsigned chunks_sent)
                        continue;
                WRITE_CHUNK_TS(buf, ot->chunk_ts);
                ts = ot->chunk_ts * chunks_sent;
-               ret = rtp_session_send_with_ts(ot->session, buf, len, ts);
+               ret = rtp_session_send_with_ts(ot->session, (unsigned char *)buf, len, ts);
                ot->last_ts = ts;
                if (ret < 0)
                        ortp_delete_target(ot, "send error");
@@ -130,7 +130,7 @@ static void ortp_init_session(struct ortp_target *ot)
 /* called by afs */
 static void ortp_shutdown_targets(void)
 {
-       char buf[ORTP_AUDIO_HEADER_LEN];
+       unsigned char buf[ORTP_AUDIO_HEADER_LEN];
        struct ortp_target *ot, *tmp;
 
        WRITE_PACKET_TYPE(buf, ORTP_EOF);