fix endianness of OSS/Alsa (bug #3839)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5241 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_alsa.c

@@ -27,6 +27,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <endian.h>
 
 #define ALSA_PCM_NEW_HW_PARAMS_API
 #define ALSA_PCM_NEW_SW_PARAMS_API
@@ -59,7 +60,12 @@
 /* Don't switch between read/write modes faster than every 300 ms */
 #define MIN_SWITCH_TIME 600
 
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 static snd_pcm_format_t format = SND_PCM_FORMAT_S16_LE;
+#else
+static snd_pcm_format_t format = SND_PCM_FORMAT_S16_BE;
+#endif
+
 /* static int block = O_NONBLOCK; */
 static char indevname[50] = ALSA_INDEV;
 static char outdevname[50] = ALSA_OUTDEV;

channels/chan_oss.c

@@ -34,6 +34,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <endian.h>
 #ifdef __linux
 #include <linux/soundcard.h>
 #elif defined(__FreeBSD__)
@@ -350,7 +351,13 @@ static int setformat(void)
 	int fmt, desired, res, fd = sounddev;
 	static int warnedalready = 0;
 	static int warnedalready2 = 0;
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 	fmt = AFMT_S16_LE;
+#else
+	fmt = AFMT_S16_BE;
+#endif
+
 	res = ioctl(fd, SNDCTL_DSP_SETFMT, &fmt);
 	if (res < 0) {
 		ast_log(LOG_WARNING, "Unable to set format to 16-bit signed\n");