Patch to generate the ac3 window, based on code by Justin Ruggles.

Originally committed as revision 5310 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 3 insertions, 38 deletions

diff --git a/libavcodec/ac3tab.h b/libavcodec/ac3tab.h
index d8771fbeee..3621b87a71 100644
--- a/libavcodec/ac3tab.h
+++ b/libavcodec/ac3tab.h
@@ -12,44 +12,6 @@ static const uint16_t ac3_bitratetab[19] = {
     160, 192, 224, 256, 320, 384, 448, 512, 576, 640
 };
 
-/* AC3 MDCT window */
-
-/* MDCT window */
-static const int16_t ac3_window[256] = {
-    4,    7,   12,   16,   21,   28,   34,   42,
-   51,   61,   72,   84,   97,  111,  127,  145,
-  164,  184,  207,  231,  257,  285,  315,  347,
-  382,  419,  458,  500,  544,  591,  641,  694,
-  750,  810,  872,  937, 1007, 1079, 1155, 1235,
- 1318, 1406, 1497, 1593, 1692, 1796, 1903, 2016,
- 2132, 2253, 2379, 2509, 2644, 2783, 2927, 3076,
- 3230, 3389, 3552, 3721, 3894, 4072, 4255, 4444,
- 4637, 4835, 5038, 5246, 5459, 5677, 5899, 6127,
- 6359, 6596, 6837, 7083, 7334, 7589, 7848, 8112,
- 8380, 8652, 8927, 9207, 9491, 9778,10069,10363,
-10660,10960,11264,11570,11879,12190,12504,12820,
-13138,13458,13780,14103,14427,14753,15079,15407,
-15735,16063,16392,16720,17049,17377,17705,18032,
-18358,18683,19007,19330,19651,19970,20287,20602,
-20914,21225,21532,21837,22139,22438,22733,23025,
-23314,23599,23880,24157,24430,24699,24964,25225,
-25481,25732,25979,26221,26459,26691,26919,27142,
-27359,27572,27780,27983,28180,28373,28560,28742,
-28919,29091,29258,29420,29577,29729,29876,30018,
-30155,30288,30415,30538,30657,30771,30880,30985,
-31086,31182,31274,31363,31447,31528,31605,31678,
-31747,31814,31877,31936,31993,32046,32097,32145,
-32190,32232,32272,32310,32345,32378,32409,32438,
-32465,32490,32513,32535,32556,32574,32592,32608,
-32623,32636,32649,32661,32671,32681,32690,32698,
-32705,32712,32718,32724,32729,32733,32737,32741,
-32744,32747,32750,32752,32754,32756,32757,32759,
-32760,32761,32762,32763,32764,32764,32765,32765,
-32766,32766,32766,32766,32767,32767,32767,32767,
-32767,32767,32767,32767,32767,32767,32767,32767,
-32767,32767,32767,32767,32767,32767,32767,32767,
-};
-
 static uint8_t masktab[253];
 
 static const uint8_t latab[260]= {
@@ -176,6 +138,9 @@ static const uint8_t bndsz[50]={
 
 static uint8_t bndtab[51];
 
+/* AC3 MDCT window */
+static int16_t ac3_window[256];
+
 /* fft & mdct sin cos tables */
 static int16_t costab[64];
 static int16_t sintab[64];