Move find_guid function and guid_data array to a globally available place.

Fixes compilation with --disable-optimizations --disable-demuxer=w64.

Originally committed as revision 19959 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/wav.c

@@ -198,6 +198,29 @@ static int wav_read_header(AVFormatContext *s,
     return 0;
 }
 
+/** Find chunk with w64 GUID by skipping over other chunks
+ * @return the size of the found chunk
+ */
+static int64_t find_guid(ByteIOContext *pb, const uint8_t guid1[16])
+{
+    uint8_t guid[16];
+    int64_t size;
+
+    while (!url_feof(pb)) {
+        get_buffer(pb, guid, 16);
+        size = get_le64(pb);
+        if (size <= 24)
+            return -1;
+        if (!memcmp(guid, guid1, 16))
+            return size;
+        url_fskip(pb, FFALIGN(size, INT64_C(8)) - 24);
+    }
+    return -1;
+}
+
+static const uint8_t guid_data[16] = { 'd', 'a', 't', 'a',
+    0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
+
 #if CONFIG_W64_DEMUXER
 
 static const uint8_t guid_riff[16] = { 'r', 'i', 'f', 'f',
@@ -209,9 +232,6 @@ static const uint8_t guid_wave[16] = { 'w', 'a', 'v', 'e',
 static const uint8_t guid_fmt [16] = { 'f', 'm', 't', ' ',
     0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
 
-static const uint8_t guid_data[16] = { 'd', 'a', 't', 'a',
-    0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
-
 static int w64_probe(AVProbeData *p)
 {
     if (p->buf_size <= 40)
@@ -223,26 +243,6 @@ static int w64_probe(AVProbeData *p)
         return 0;
 }
 
-/** Find chunk with w64 GUID by skipping over other chunks
- * @return the size of the found chunk
- */
-static int64_t find_guid(ByteIOContext *pb, const uint8_t guid1[16])
-{
-    uint8_t guid[16];
-    int64_t size;
-
-    while (!url_feof(pb)) {
-        get_buffer(pb, guid, 16);
-        size = get_le64(pb);
-        if (size <= 24)
-            return -1;
-        if (!memcmp(guid, guid1, 16))
-            return size;
-        url_fskip(pb, FFALIGN(size, INT64_C(8)) - 24);
-    }
-    return -1;
-}
-
 static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
     int64_t size;