Index: libmpcodecs/ad_hwac3.c
===================================================================
--- libmpcodecs/ad_hwac3.c	(revision 24428)
+++ libmpcodecs/ad_hwac3.c	(working copy)
@@ -159,6 +159,17 @@
   }
   else if(isdts == 0)
   {
+#ifdef WORDS_BIGENDIAN
+    buf[0] = 0xF8;
+    buf[1] = 0x72;
+    buf[2] = 0x4E;
+    buf[3] = 0x1F;
+    buf[4] = 0x00;
+    buf[5] = 0x01; //(length) ? data_type : 0; /* & 0x1F; */
+    buf[6] = (len >> 5) & 0xFF;
+    buf[7] = (len << 3) & 0xFF;
+    memcpy(buf + 8, sh_audio->a_in_buffer, len);
+#else
     buf[0] = 0x72;
     buf[1] = 0xF8;
     buf[2] = 0x1F;
@@ -167,9 +178,6 @@
     buf[5] = 0x00;
     buf[6] = (len << 3) & 0xFF;
     buf[7] = (len >> 5) & 0xFF;
-#ifdef WORDS_BIGENDIAN
-    memcpy(buf + 8, sh_audio->a_in_buffer, len);  // untested
-#else
     swab(sh_audio->a_in_buffer, buf + 8, len);
 #endif
     memset(buf + 8 + len, 0, 6144 - 8 - len);
@@ -335,8 +343,13 @@
   burst_len = fsize * 8;
   nr_samples = nblks * 32;
 
+#ifdef WORDS_BIGENDIAN
+  buf[0] = 0xf8; buf[1] = 0x72; /* iec 61937     */
+  buf[2] = 0x4e; buf[3] = 0x1f; /*  syncword     */
+#else
   buf[0] = 0x72; buf[1] = 0xf8; /* iec 61937     */
   buf[2] = 0x1f; buf[3] = 0x4e; /*  syncword     */
+#endif
   switch(nr_samples) 
   {
   case 512:
@@ -353,16 +366,24 @@
     buf[4] = 0x00;
     break;
   }
+
+#ifdef WORDS_BIGENDIAN
+  buf[5] = buf[4];
+  buf[4] = 0;
+  buf[6] = (burst_len >> 8) & 0xff;
+  buf[7] = (burst_len) & 0xff;
+#else
   buf[5] = 0;                      /* ?? */    
   buf[6] = (burst_len) & 0xff;   
   buf[7] = (burst_len >> 8) & 0xff;
+#endif
  
   if(fsize + 8 > nr_samples * 2 * 2)
   {
     mp_msg(MSGT_DECAUDIO, MSGL_ERR, "DTS: more data than fits\n");
   }
 #ifdef WORDS_BIGENDIAN
-  memcpy(&buf[8], indata_ptr, fsize);  // untested
+  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);