*/
/**
- * @file aactab.c
+ * @file libavcodec/aactab.c
* AAC data
* @author Oded Shimon ( ods15 ods15 dyndns org )
* @author Maxim Gavrilov ( maxim.gavrilov gmail com )
DECLARE_ALIGNED(16, float, ff_aac_kbd_short_128[128]);
const uint8_t ff_aac_num_swb_1024[] = {
- 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40
+ 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40, 40
};
const uint8_t ff_aac_num_swb_128[] = {
- 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15
+ 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15
};
const uint8_t ff_aac_pred_sfb_max[] = {
- 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34
+ 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34, 34
};
const uint32_t ff_aac_scalefactor_code[121] = {
* 64.0f is a special value indicating the existence of an escape code in the
* bitstream.
*/
-static const float codebook_vector0[324] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector0[324]) = {
-1.0000000, -1.0000000, -1.0000000, -1.0000000,
-1.0000000, -1.0000000, -1.0000000, 0.0000000,
-1.0000000, -1.0000000, -1.0000000, 1.0000000,
1.0000000, 1.0000000, 1.0000000, 1.0000000,
};
-static const float codebook_vector2[324] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector2[324]) = {
0.0000000, 0.0000000, 0.0000000, 0.0000000,
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 0.0000000, 0.0000000, 2.5198421,
2.5198421, 2.5198421, 2.5198421, 2.5198421,
};
-static const float codebook_vector4[162] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector4[162]) = {
-6.3496042, -6.3496042, -6.3496042, -4.3267487,
-6.3496042, -2.5198421, -6.3496042, -1.0000000,
-6.3496042, 0.0000000, -6.3496042, 1.0000000,
6.3496042, 6.3496042,
};
-static const float codebook_vector6[128] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector6[128]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
13.3905183, 10.9027236, 13.3905183, 13.3905183,
};
-static const float codebook_vector8[338] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector8[338]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
27.4731418, 27.4731418,
};
-static const float codebook_vector10[578] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector10[578]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
codebook_vector8, codebook_vector10,
};
+/* @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
+};
+
+const uint16_t * const ff_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
+};
+
+const uint16_t * const ff_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 ff_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.
+ * @{
+ */
+const uint8_t ff_tns_max_bands_1024[] = {
+ 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, 39
+};
+
+const uint8_t ff_tns_max_bands_128[] = {
+ 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14
+};
+// @}
+
+
#if CONFIG_HARDCODED_TABLES
/**
projects / ffmpeg / blobdiff