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ltpf: Move analysis to fixed point

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This commit is contained in:
Antoine SOULIER
2022-05-04 14:45:20 +02:00
parent e0efd79390
commit e471e43aeb
22 changed files with 1902 additions and 345 deletions
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9
src/common.h
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@@ -26,6 +26,7 @@
#include <lc3.h>
#include "fastmath.h"
#include <stdalign.h>
#include <limits.h>
#include <string.h>
@@ -72,7 +73,8 @@
/**
* Return number of samples, delayed samples and
* encoded spectrum coefficients within a frame
* For decoding, keep 18 ms of history, aligned on frames, and a frame
* - For encoding, keep 1.25 ms for temporal window
* - For decoding, keep 18 ms of history, aligned on frames, and a frame
*/
#define LC3_NS(dt, sr) \
@@ -87,7 +89,10 @@
#define LC3_MAX_NE \
LC3_NE(LC3_DT_10M, LC3_SRATE_48K)
#define LC3_NR(dt, sr) \
#define LC3_NT(sr_hz) \
( (5 * LC3_SRATE_KHZ(sr)) / 4 )
#define LC3_NH(dt, sr) \
( ((3 - dt) + 1) * LC3_NS(dt, sr) )