src · zig-mp3 · Tangled

An MPEG audio codec in Zig that decodes Layers I, II and III and encodes Layers II and III.

1 folder · 27 files

jcollie.dev · Fuzz the psychoacoustic model · 1mo ago

Read ID3 metadata

Add the polyphase analysis filterbank

Speed up Layers I and II, and the filterbank they share

Read the spectrum through a register cache

Add the encoder's spectrum and bitstream tools

decode_test.zig

Decode Layer I and Layer II

Decode Layer I and Layer II

Replace the psychoacoustic model with one that measures tonality properly

Replace the psychoacoustic model with one that measures tonality properly

Add the encoder's spectrum and bitstream tools

Fuzz the psychoacoustic model

Fuzz the parts nothing was reaching

huffman_encode.zig

Add the forward MDCT and Huffman coding for Layer III encoding

Read the spectrum through a register cache

Read ID3 metadata

Speed up Layers I and II, and the filterbank they share

Add a Layer II encoder

Speed up Layers I and II, and the filterbank they share

Add a Layer III encoder

Add the forward MDCT and Huffman coding for Layer III encoding

Replace the psychoacoustic model with one that measures tonality properly

Decode Layer I and Layer II

Replace the psychoacoustic model with one that measures tonality properly

Add an MP3 decoder

Speed up Layers I and II, and the filterbank they share

Read ID3 metadata

Add an MP3 decoder

Add a Layer II encoder