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agc tweaks

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This commit is contained in:
Anthony Minessale
2011-02-20 14:37:23 -06:00
parent 78472897cd
commit 180e3d4ab1
3 changed files with 104 additions and 26 deletions
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src/include/switch_resample.h
+9
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@@ -39,6 +39,7 @@
*/
#define switch_normalize_volume(x) if (x > 4) x = 4; if (x < -4) x = -4;
#define switch_normalize_volume_granular(x) if (x > 12) x = 12; if (x < -12) x = -12;
#ifndef SWITCH_RESAMPLE_H
#define SWITCH_RESAMPLE_H
@@ -158,6 +159,14 @@ SWITCH_DECLARE(void) switch_generate_sln_silence(int16_t *data, uint32_t samples
\param vol the volume factor -4 -> 4
*/
SWITCH_DECLARE(void) switch_change_sln_volume(int16_t *data, uint32_t samples, int32_t vol);
/*!
\brief Change the volume of a signed linear audio frame with more granularity
\param data the audio data
\param samples the number of 2 byte samples
\param vol the volume factor -12 -> 12
*/
SWITCH_DECLARE(void) switch_change_sln_volume_granular(int16_t *data, uint32_t samples, int32_t vol);
///\}
SWITCH_DECLARE(uint32_t) switch_merge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples);