From: Mark Calderbank <mark@vomp.tv>
Date: Wed, 3 May 2006 21:38:03 +0000 (+0000)
Subject: Remove endian dependency in demuxer
X-Git-Tag: r0-2-2b~21
X-Git-Url: https://git.vomp.tv/gitweb/?a=commitdiff_plain;h=aac2acec23ebb178cfd6ef09fdde7106002d3bc4;p=vompclient.git

Remove endian dependency in demuxer
---

diff --git a/demuxer.cc b/demuxer.cc
index b529e41..a829986 100644
--- a/demuxer.cc
+++ b/demuxer.cc
@@ -19,6 +19,7 @@
 */
 
 #include "demuxer.h"
+#include <endian.h>
 
 const int Demuxer::FrameRates[9] = { 0, 23, 24, 25, 29, 30, 50, 59, 60 };
 
@@ -559,14 +560,18 @@ void Demuxer::parse_video_details(UCHAR* buf, int len)
 
 int Demuxer::findVideoPTS(UCHAR* buf, int len, ULLONG* dest)
 {
-  UINT LoPattern = 0x100 | FRAMETYPE_VID0,
-       HiPattern = 0x100 | FRAMETYPE_VIDMAX;
-
   while (len >= 14)
   {
     UINT pattern = *(UINT*)buf;
     buf++; len--;
-    if (pattern < LoPattern || pattern > HiPattern) continue;
+#if __BYTE_ORDER == __BIG_ENDIAN
+    if (pattern < (0x100 | FRAMETYPE_VID0) ||
+        pattern > (0x100 | FRAMETYPE_VIDMAX)) continue;
+#else
+    if ((pattern & 0xFFFFFF) != 0x010000 ||
+         pattern < ((UINT)FRAMETYPE_VID0 << 24) ||
+         pattern > ((UINT)FRAMETYPE_VIDMAX << 24)) continue;
+#endif
     if ((buf[5] & 0xC0) != 0x80) continue;
 
     UINT framelength = ((UINT)buf[3] << 8) | buf[4];