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revert silence gen code for comparison 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11572 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2009-01-30 23:43:12 +00:00
parent dbd74c0c98
commit 3f66f0a2a8
1 changed files with 26 additions and 0 deletions
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26
src/switch_resample.c
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@ -201,6 +201,7 @@ SWITCH_DECLARE(void) switch_swap_linear(int16_t *buf, int len)
} }
} }
#if SILENCE_METHOD_ONE
SWITCH_DECLARE(void) switch_generate_sln_silence(int16_t *data, uint32_t samples, uint32_t divisor) SWITCH_DECLARE(void) switch_generate_sln_silence(int16_t *data, uint32_t samples, uint32_t divisor)
{ {
int16_t x; int16_t x;
@ -223,6 +224,31 @@ SWITCH_DECLARE(void) switch_generate_sln_silence(int16_t *data, uint32_t samples
data++; data++;
} }
} }
#else
SWITCH_DECLARE(void) switch_generate_sln_silence(int16_t *data, uint32_t samples, uint32_t divisor)
{
int16_t rnd = 0, rnd2, x;
uint32_t i;
int sum_rnd = 0;
assert(divisor);
rnd2 = (int16_t) (intptr_t) &data + switch_epoch_time_now(NULL);
for (i = 0; i < samples; i++, sum_rnd = 0) {
for (x = 0; x < 10; x++) {
rnd += ((x + i) * rnd2);
sum_rnd += rnd;
}
switch_normalize_to_16bit(sum_rnd);
*data = (int16_t) ((int16_t) sum_rnd / (int) divisor);
data++;
}
}
#endif
SWITCH_DECLARE(uint32_t) switch_merge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples) SWITCH_DECLARE(uint32_t) switch_merge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples)
{ {