From 85e9296f415c3349207cb0834ed28e8889d148ef Mon Sep 17 00:00:00 2001 From: Alex Converse Date: Fri, 12 Jun 2009 21:14:45 +0000 Subject: Move TNS and swb_offset tables from aacdectab.h to aactab.c so that they can be shared with the AAC encoder. Originally committed as revision 19174 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/aacdectab.h | 139 ------------------------------------------------- 1 file changed, 139 deletions(-) (limited to 'libavcodec/aacdectab.h') diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h index 34b0abe729..b6d80f20c1 100644 --- a/libavcodec/aacdectab.h +++ b/libavcodec/aacdectab.h @@ -34,145 +34,6 @@ #include -/* @name swb_offsets - * Sample offset into the window indicating the beginning of a scalefactor - * window band - * - * scalefactor window band - term for scalefactor bands within a window, - * given in Table 4.110 to Table 4.128. - * - * scalefactor band - a set of spectral coefficients which are scaled by one - * scalefactor. In case of EIGHT_SHORT_SEQUENCE and grouping a scalefactor band - * may contain several scalefactor window bands of corresponding frequency. For - * all other window_sequences scalefactor bands and scalefactor window bands are - * identical. - * @{ - */ - -static const uint16_t swb_offset_1024_96[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 44, 48, 52, 56, 64, - 72, 80, 88, 96, 108, 120, 132, 144, - 156, 172, 188, 212, 240, 276, 320, 384, - 448, 512, 576, 640, 704, 768, 832, 896, - 960, 1024 -}; - -static const uint16_t swb_offset_128_96[] = { - 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128 -}; - -static const uint16_t swb_offset_1024_64[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 44, 48, 52, 56, 64, - 72, 80, 88, 100, 112, 124, 140, 156, - 172, 192, 216, 240, 268, 304, 344, 384, - 424, 464, 504, 544, 584, 624, 664, 704, - 744, 784, 824, 864, 904, 944, 984, 1024 -}; - -static const uint16_t swb_offset_1024_48[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 48, 56, 64, 72, 80, - 88, 96, 108, 120, 132, 144, 160, 176, - 196, 216, 240, 264, 292, 320, 352, 384, - 416, 448, 480, 512, 544, 576, 608, 640, - 672, 704, 736, 768, 800, 832, 864, 896, - 928, 1024 -}; - -static const uint16_t swb_offset_128_48[] = { - 0, 4, 8, 12, 16, 20, 28, 36, - 44, 56, 68, 80, 96, 112, 128 -}; - -static const uint16_t swb_offset_1024_32[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 48, 56, 64, 72, 80, - 88, 96, 108, 120, 132, 144, 160, 176, - 196, 216, 240, 264, 292, 320, 352, 384, - 416, 448, 480, 512, 544, 576, 608, 640, - 672, 704, 736, 768, 800, 832, 864, 896, - 928, 960, 992, 1024 -}; - -static const uint16_t swb_offset_1024_24[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 44, 52, 60, 68, 76, - 84, 92, 100, 108, 116, 124, 136, 148, - 160, 172, 188, 204, 220, 240, 260, 284, - 308, 336, 364, 396, 432, 468, 508, 552, - 600, 652, 704, 768, 832, 896, 960, 1024 -}; - -static const uint16_t swb_offset_128_24[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 36, 44, 52, 64, 76, 92, 108, 128 -}; - -static const uint16_t swb_offset_1024_16[] = { - 0, 8, 16, 24, 32, 40, 48, 56, - 64, 72, 80, 88, 100, 112, 124, 136, - 148, 160, 172, 184, 196, 212, 228, 244, - 260, 280, 300, 320, 344, 368, 396, 424, - 456, 492, 532, 572, 616, 664, 716, 772, - 832, 896, 960, 1024 -}; - -static const uint16_t swb_offset_128_16[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 40, 48, 60, 72, 88, 108, 128 -}; - -static const uint16_t swb_offset_1024_8[] = { - 0, 12, 24, 36, 48, 60, 72, 84, - 96, 108, 120, 132, 144, 156, 172, 188, - 204, 220, 236, 252, 268, 288, 308, 328, - 348, 372, 396, 420, 448, 476, 508, 544, - 580, 620, 664, 712, 764, 820, 880, 944, - 1024 -}; - -static const uint16_t swb_offset_128_8[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 36, 44, 52, 60, 72, 88, 108, 128 -}; - -static const uint16_t *swb_offset_1024[] = { - swb_offset_1024_96, swb_offset_1024_96, swb_offset_1024_64, - swb_offset_1024_48, swb_offset_1024_48, swb_offset_1024_32, - swb_offset_1024_24, swb_offset_1024_24, swb_offset_1024_16, - swb_offset_1024_16, swb_offset_1024_16, swb_offset_1024_8, - swb_offset_1024_8 -}; - -static const uint16_t *swb_offset_128[] = { - /* The last entry on the following row is swb_offset_128_64 but is a - duplicate of swb_offset_128_96. */ - swb_offset_128_96, swb_offset_128_96, swb_offset_128_96, - swb_offset_128_48, swb_offset_128_48, swb_offset_128_48, - swb_offset_128_24, swb_offset_128_24, swb_offset_128_16, - swb_offset_128_16, swb_offset_128_16, swb_offset_128_8, - swb_offset_128_8 -}; - -// @} - -/* @name tns_max_bands - * The maximum number of scalefactor bands on which TNS can operate for the long - * and short transforms respectively. The index to these tables is related to - * the sample rate of the audio. - * @{ - */ -static const uint8_t tns_max_bands_1024[] = { - 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, 39 -}; - -static const uint8_t tns_max_bands_128[] = { - 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14 -}; -// @} - /* @name tns_tmp2_map * Tables of the tmp2[] arrays of LPC coefficients used for TNS. * The suffix _M_N[] indicate the values of coef_compress and coef_res -- cgit v1.2.3