Index: libmpcodecs/ad_hwac3.c
===================================================================
--- libmpcodecs/ad_hwac3.c	(revision 24442)
+++ libmpcodecs/ad_hwac3.c	(working copy)
@@ -147,6 +147,7 @@
 static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
 {
   int len = sh_audio->a_in_buffer_len;
+  int i;
   
   if(len <= 0)
     if((len = ac3dts_fillbuff(sh_audio)) <= 0)
@@ -168,7 +169,9 @@
     buf[6] = (len << 3) & 0xFF;
     buf[7] = (len >> 5) & 0xFF;
 #ifdef WORDS_BIGENDIAN
-    memcpy(buf + 8, sh_audio->a_in_buffer, len);  // untested
+    for (i = 0; i < 4; ++i)
+      ((uint16_t *)buf)[i] = bswap_16(((uint16_t *)buf)[i]);
+    memcpy(buf + 8, sh_audio->a_in_buffer, len);
 #else
     swab(sh_audio->a_in_buffer, buf + 8, len);
 #endif
@@ -327,6 +330,7 @@
   int sfreq;
   int burst_len;
   int nr_samples;
+  int i;
 
   fsize = dts_decode_header(indata_ptr, &rate, &nblks, &sfreq);
   if(fsize < 0)
@@ -362,7 +366,9 @@
     mp_msg(MSGT_DECAUDIO, MSGL_ERR, "DTS: more data than fits\n");
   }
 #ifdef WORDS_BIGENDIAN
-  memcpy(&buf[8], indata_ptr, fsize);  // untested
+  for (i = 0; i < 4; ++i)
+    ((uint16_t *)buf)[i] = bswap_16(((uint16_t *)buf)[i]);
+  memcpy(&buf[8], indata_ptr, fsize);
 #else
   //TODO if fzise is odd, swab doesn't copy the last byte
   swab(indata_ptr, &buf[8], fsize);