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Various updates to spandsp tests

Browse Source 
spandsp logging now passes an opaque pointer to the logging routine, to
increase flexibility. Right now the pointer is set to NULL in all calls.
This commit is contained in:
Steve Underwood
2012-03-28 23:36:30 +08:00
parent c1203b5863
commit 7b9e4ff674
49 changed files with 2067 additions and 1437 deletions
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296
libs/spandsp/src/dds_int.c
View File

@@ -42,146 +42,274 @@
#include "spandsp/complex.h"
#include "spandsp/dds.h"
/* In a A-law or u-law channel, a 128 step sine table is adequate to keep the spectral
/* In a A-law or u-law channel, a fairly coarse step sine table is adequate to keep the spectral
mess due to the DDS at a similar level to the spectral mess due to the A-law or u-law
compression. */
#define SLENK 7
#define SLENK 8
#define DDS_STEPS (1 << SLENK)
#define DDS_SHIFT (32 - 2 - SLENK)
/* This is a simple set of direct digital synthesis (DDS) functions to generate sine
waves. This version uses a 128 entry sin/cos table to cover one quadrant. */
waves. This version uses a 256 entry sin/cos table to cover one quadrant. */
static const int16_t sine_table[DDS_STEPS + 1] =
{
0,
201,
402,
603,
804,
1005,
1206,
1407,
1608,
1809,
2009,
2210,
2410,
2611,
2811,
3012,
3212,
3412,
3812,
4211,
3612,
3811,
4011,
4210,
4410,
4609,
4808,
5007,
5205,
5404,
5602,
5800,
5998,
6195,
6393,
6590,
6786,
6983,
7376,
7179,
7375,
7571,
7767,
7962,
8157,
8546,
8351,
8545,
8739,
8933,
9126,
9319,
9512,
9704,
10088,
9896,
10087,
10278,
10469,
10850,
10659,
10849,
11039,
11228,
11417,
11605,
11793,
11980,
12354,
12167,
12353,
12539,
12725,
13095,
13463,
12910,
13094,
13279,
13462,
13645,
13828,
14192,
14010,
14191,
14372,
14553,
14732,
14912,
15090,
15269,
15624,
15446,
15623,
15800,
15976,
16326,
16151,
16325,
16499,
16673,
16846,
17018,
17361,
17189,
17360,
17530,
17700,
17869,
18037,
18372,
18204,
18371,
18537,
18703,
18868,
19032,
19358,
19681,
20001,
20318,
20632,
20943,
21251,
21555,
19195,
19357,
19519,
19680,
19841,
20000,
20159,
20317,
20475,
20631,
20787,
20942,
21096,
21250,
21403,
21554,
21705,
21856,
22005,
22154,
22449,
22740,
23028,
23312,
23593,
22301,
22448,
22594,
22739,
22884,
23027,
23170,
23311,
23452,
23592,
23731,
23870,
24144,
24414,
24007,
24143,
24279,
24413,
24547,
24680,
24943,
25202,
25457,
24811,
24942,
25072,
25201,
25329,
25456,
25582,
25708,
25956,
26199,
26439,
25832,
25955,
26077,
26198,
26319,
26438,
26556,
26674,
26906,
26790,
26905,
27019,
27133,
27357,
27576,
27791,
28002,
28209,
27245,
27356,
27466,
27575,
27683,
27790,
27896,
28001,
28105,
28208,
28310,
28411,
28610,
28510,
28609,
28706,
28803,
28993,
29178,
29359,
29535,
29707,
29875,
30038,
30196,
30350,
30499,
30644,
30784,
30920,
28898,
28992,
29085,
29177,
29268,
29358,
29447,
29534,
29621,
29706,
29791,
29874,
29956,
30037,
30117,
30195,
30273,
30349,
30424,
30498,
30571,
30643,
30714,
30783,
30852,
30919,
30985,
31050,
31177,
31298,
31415,
31527,
31634,
31737,
31834,
31927,
32015,
32099,
32177,
32251,
32319,
32383,
32442,
32496,
32546,
32590,
32629,
32664,
32693,
32718,
32738,
32753,
32762,
32767,
31113,
31176,
31237,
31297,
31356,
31414,
31470,
31526,
31580,
31633,
31685,
31736,
31785,
31833,
31880,
31926,
31971,
32014,
32057,
32098,
32137,
32176,
32213,
32250,
32285,
32318,
32351,
32382,
32412,
32441,
32469,
32495,
32521,
32545,
32567,
32589,
32609,
32628,
32646,
32663,
32678,
32692,
32705,
32717,
32728,
32737,
32745,
32752,
32757,
32761,
32765,
32766,
32767
};