From 6eb1427f0fbfe74946a104f067072131c693e570 Mon Sep 17 00:00:00 2001 From: Benjamin Larsson Date: Fri, 28 Apr 2006 14:19:11 +0000 Subject: Revert bad ac3enc commit, the commited code was bigger and slower. Originally committed as revision 5327 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/ac3tab.h | 41 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 3 deletions(-) (limited to 'libavcodec/ac3tab.h') diff --git a/libavcodec/ac3tab.h b/libavcodec/ac3tab.h index 3621b87a71..d8771fbeee 100644 --- a/libavcodec/ac3tab.h +++ b/libavcodec/ac3tab.h @@ -12,6 +12,44 @@ 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]= { @@ -138,9 +176,6 @@ 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]; -- cgit v1.2.3