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feature: Add High-Resolution LC3 plus mode

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Duplicate interfaces for HR mode

spec: Remove intermediate quantized table

fix: legacy lc3_frame_bytes() and lc3_resolve_bitrate()

Cosmetic: rename fast_xxx math function to lc3_xxx
This commit is contained in:
Antoine Soulier
2023-12-21 15:42:08 -08:00
parent 149cb6537e
commit daa580235e
46 changed files with 4518 additions and 1149 deletions
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24
test/mdct.py
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@@ -24,10 +24,17 @@ import tables as T, appendix_c as C
class Mdct:
W = [ [ T.W_2M5_8K, T.W_2M5_16K, T.W_2M5_24K, T.W_2M5_32K, T.W_2M5_48K ],
[ T.W_5M_8K , T.W_5M_16K , T.W_5M_24K , T.W_5M_32K , T.W_5M_48K ],
[ T.W_7M5_8K, T.W_7M5_16K, T.W_7M5_24K, T.W_7M5_32K, T.W_7M5_48K ],
[ T.W_10M_8K, T.W_10M_16K, T.W_10M_24K, T.W_10M_32K, T.W_10M_48K ] ]
W = [ [ T.W_2M5_8K , T.W_2M5_16K, T.W_2M5_24K,
T.W_2M5_32K, T.W_2M5_48K, T.W_2M5_48K_HR, T.W_2M5_96K_HR ],
[ T.W_5M_8K , T.W_5M_16K , T.W_5M_24K ,
T.W_5M_32K , T.W_5M_48K , T.W_5M_48K_HR , T.W_5M_96K_HR ],
[ T.W_7M5_8K , T.W_7M5_16K, T.W_7M5_24K,
T.W_7M5_32K, T.W_7M5_48K, None, None ],
[ T.W_10M_8K , T.W_10M_16K, T.W_10M_24K,
T.W_10M_32K, T.W_10M_48K, T.W_10M_48K_HR, T.W_10M_96K_HR ] ]
def __init__(self, dt, sr):
@@ -195,11 +202,16 @@ def check():
ok = True
for dt in range(T.NUM_DT):
for sr in range(T.NUM_SRATE):
for sr in range(T.SRATE_8K, T.SRATE_48K + 1):
ok = ok and check_forward_unit(rng, dt, sr)
ok = ok and check_inverse_unit(rng, dt, sr)
for dt in range(T.DT_7M5, T.NUM_DT):
for dt in ( T.DT_2M5, T.DT_5M, T.DT_10M ):
for sr in ( T.SRATE_48K_HR, T.SRATE_96K_HR ):
ok = ok and check_forward_unit(rng, dt, sr)
ok = ok and check_inverse_unit(rng, dt, sr)
for dt in ( T.DT_7M5, T.DT_10M ):
ok = ok and check_forward_appendix_c(dt)
ok = ok and check_inverse_appendix_c(dt)