lavf/qtpalette: Fix incorrect palettes

This patch corrects the colors of the 2 and 4 bpp palettes.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/qtpalette.h

@@ -31,29 +31,31 @@ static const uint8_t ff_qt_default_palette_2[2 * 3] = {
   0x00, 0x00, 0x00
 };
 
+/* From a screenshot of the "Monitors & Sound" control panel in Mac OS 7.5.5 */
 static const uint8_t ff_qt_default_palette_4[4 * 3] = {
-  0x93, 0x65, 0x5E,
   0xFF, 0xFF, 0xFF,
-  0xDF, 0xD0, 0xAB,
+  0xAC, 0xAC, 0xAC,
+  0x55, 0x55, 0x55,
   0x00, 0x00, 0x00
 };
 
+/* From a screenshot of the "Monitors & Sound" control panel in Mac OS 7.5.5 */
 static const uint8_t ff_qt_default_palette_16[16 * 3] = {
-  0xFF, 0xFB, 0xFF,
-  0xEF, 0xD9, 0xBB,
-  0xE8, 0xC9, 0xB1,
-  0x93, 0x65, 0x5E,
-  0xFC, 0xDE, 0xE8,
-  0x9D, 0x88, 0x91,
   0xFF, 0xFF, 0xFF,
-  0xFF, 0xFF, 0xFF,
-  0xFF, 0xFF, 0xFF,
-  0x47, 0x48, 0x37,
-  0x7A, 0x5E, 0x55,
-  0xDF, 0xD0, 0xAB,
-  0xFF, 0xFB, 0xF9,
-  0xE8, 0xCA, 0xC5,
-  0x8A, 0x7C, 0x77,
+  0xFC, 0xF3, 0x05,
+  0xFF, 0x64, 0x02,
+  0xDD, 0x08, 0x06,
+  0xF2, 0x08, 0x84,
+  0x46, 0x00, 0xA5,
+  0x00, 0x00, 0xD4,
+  0x02, 0xAB, 0xEA,
+  0x1F, 0xB7, 0x14,
+  0x00, 0x64, 0x11,
+  0x56, 0x2C, 0x05,
+  0x90, 0x71, 0x3A,
+  0xC0, 0xC0, 0xC0,
+  0x80, 0x80, 0x80,
+  0x40, 0x40, 0x40,
   0x00, 0x00, 0x00
 };