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feat: support aiff files #59

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Merged
ViralBShah merged 3 commits into from
Feb 1, 2026
Merged

feat: support aiff files #59

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bf4beff
feat: support aiff files
amemya Nov 25, 2025
531a0d0
feat: add AIFF format tests and some fix
amemya Jan 30, 2026
e2ac53e
build: bump FileIO compat to v1.18
amemya Jan 31, 2026
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2 changes: 1 addition & 1 deletion src/LibSndFile.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ using Printf: @printf
using LinearAlgebra: transpose!
using libsndfile_jll: libsndfile

const supported_formats = (format"WAV", format"FLAC", format"OGG")
const supported_formats = (format"WAV", format"FLAC", format"OGG", format"AIFF")

include("libsndfile_h.jl")
include("lengthIO.jl")
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1 change: 1 addition & 0 deletions src/libsndfile_h.jl
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Expand Up @@ -81,6 +81,7 @@ const SF_SEEK_END = Int32(2)
formatcode(::Type{format"WAV"}) = SF_FORMAT_WAV
formatcode(::Type{format"FLAC"}) = SF_FORMAT_FLAC
formatcode(::Type{format"OGG"}) = SF_FORMAT_OGG
formatcode(::Type{format"AIFF"}) = SF_FORMAT_AIFF

subformatcode(::Type{PCM16Sample}) = SF_FORMAT_PCM_16
subformatcode(::Type{PCM32Sample}) = SF_FORMAT_PCM_32
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Binary file added test/440left_880right_0.5amp.aiff
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27 changes: 25 additions & 2 deletions test/runtests.jl
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Expand Up @@ -24,7 +24,7 @@ include("testhelpers.jl")

for f in (:load, :save, :loadstreaming, :savestreaming)
for io in ((String, File), (IO, Stream))
for fmt in (("_wav", format"WAV"), ("_ogg", format"OGG"), ("_flac", format"FLAC"))
for fmt in (("_wav", format"WAV"), ("_ogg", format"OGG"), ("_flac", format"FLAC"), ("_aiff", format"AIFF"))
@eval $(Symbol(f, fmt[1]))(io::$(io[1]), args...) =
LibSndFile.$f($(io[2]){$(fmt[2])}( io), args...)
if f in (:loadstreaming, :savestreaming)
Expand Down Expand Up @@ -58,6 +58,7 @@ reference_wav_double = joinpath(dirname(@__FILE__), "440left_880right_0.5amp_dou
reference_wav_pcm24 = joinpath(dirname(@__FILE__), "440left_880right_0.5amp_pcm24.wav")
reference_ogg = joinpath(dirname(@__FILE__), "440left_880right_0.5amp.ogg")
reference_flac = joinpath(dirname(@__FILE__), "440left_880right_0.5amp.flac")
reference_aiff = joinpath(dirname(@__FILE__), "440left_880right_0.5amp.aiff")
reference_buf = gen_reference(srate)

# don't indent the individual testsets so we can more easily run them from
Expand Down Expand Up @@ -108,6 +109,15 @@ end
@test mse(buf, reference_buf) < 1e-10
end

@testset "AIFF file reading" begin
buf = load_aiff(reference_aiff)
@test samplerate(buf) == srate
@test nchannels(buf) == 2
@test nframes(buf) == 100
@test isapprox(domain(buf), collect(0:99)/srate)
@test mse(buf, reference_buf) < 1e-10
end

@testset "OGG file reading" begin
buf = load_ogg(reference_ogg)
@test samplerate(buf) == srate
Expand Down Expand Up @@ -244,6 +254,19 @@ end
@test mse(buf, testbuf) < 1e-10
end

@testset "AIFF file writing" begin
fname = string(tempname(), ".aiff")
arr = map(PCM16Sample, rand(100, 2) .- 0.5)
testbuf = SampleBuf(arr, srate)
save_aiff(fname, testbuf)
buf = load_aiff(fname)
@test samplerate(buf) == srate
@test nchannels(buf) == 2
@test nframes(buf) == 100
@test isapprox(domain(buf), collect(0:99)/srate)
@test mse(buf, testbuf) < 1e-10
end

@testset "Writing $T data" for T in [PCM16Sample, PCM32Sample, Float32, Float64]
fname = string(tempname(), ".wav")
arr = map(T, rand(100, 2) .- 0.5)
Expand Down Expand Up @@ -288,7 +311,7 @@ end
@testset "FileIO Integration" begin
arr = map(PCM16Sample, rand(100, 2) .- 0.5)
testbuf = SampleBuf(arr, srate)
for ext in (".wav", ".ogg", ".flac")
for ext in (".wav", ".ogg", ".flac", ".aiff")
fname = string(tempname(), ext)
FileIO.save(fname, testbuf)
buf = FileIO.load(fname)
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