code wiki / _hdl_build / nx_audio_codec_pack.nx

nx_audio_codec_pack.nx

buildroot/runtime/_hdl_build/nx_audio_codec_pack.nx

4666 B82 linesdepth 4pulls 4 transitivereach 0 importersview sourcekind tooltopic audio

docs dependencies structs consts functions

about

nx_audio_codec_pack.nx -- prove the WHOLE /listen audio set runs through OUR OWN lossless codec (operator 2026-06-23: "make sure this is all using our own codec"). For each track WAV: deinterleave L/R Int16, nv1l_encode each channel with our NishiLossless LPC codec (nx_nv1_lpc), then nv1l_decode and assert the reconstruction is BIT-EXACT to the original PCM. Reports the compression ratio per track. GREEN only if every channel of every track round-trips bit-for-bit (zero loss) -- that is the "using our own codec" proof. license_tier: ORIGINAL expect_exit: 0

dependencies 2 imports · 0 importers

imports: nx_nv1_lpc.nxnx_syscalls.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

structs

none

consts

9	const K_MAGIC_524288: i64 = 524288

functions

11	func kp(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 } called by 2: pack_file main calls 1: sys_write
12	func kpn(v: i64) -> i64 called by 2: pack_file main calls 2: sys_mmap sys_write
20	func kf_read(path: u8, buf: u8, cap: i64) -> i64 called by 1: pack_file calls 3: sys_openat_rd sys_read sys_close
26	func same(a: u8, b: u8, n: i64) -> i64 { var i: i64=0; while i<n { if a[i]!=b[i] { return 0 } i=i+1 } return 1 } called by 1: pack_ch
29	func pack_ch(pcm: u8, nsamp: i64, enc: u8, dec: *u8, cap: i64) -> i64 called by 1: pack_file calls 3: nv1l_encode nv1l_decode same
39	func pack_file(path: u8, wav: u8, Lb: u8, Rb: u8, enc: u8, dec: u8, cap: i64) -> i64 called by 1: main calls 4: kf_read kp pack_ch kpn
61	func main() -> i64 calls 5: kp sys_mmap pack_file kpn sys_exit