Added support for views of AbstractSampleBuf to be automatically be w…

…rapped in an AbstractSampleBuf

src/SampleBuf.jl

@@ -74,6 +74,9 @@ Base.similar(buf::SampleBuf, ::Type{T}, dims::Dims) where {T} = SampleBuf(Array{
 Base.similar(buf::SpectrumBuf, ::Type{T}, dims::Dims) where {T} = SpectrumBuf(Array{T}(undef, dims), framerate(buf))
 domain(buf::AbstractSampleBuf) = range(0.0, stop=(nframes(buf)-1)/framerate(buf), length=nframes(buf))
 
+# deal with re-wrapping views
+Base.view(buf::AbstractSampleBuf, ind...) = SampleBuf(view(buf.data, ind...), buf.samplerate)
+
 # There's got to be a better way to define these functions, but the dispatch
 # and broadcast behavior for AbstractArrays is complex and has subtle differences
 # between Julia versions, so we basically just override functions here as they

test/SampleBuf.jl

@@ -519,4 +519,13 @@ end
         display(TextDisplay(iobuf), buf)
         @test String(take!(iobuf)) == expected
     end
+
+    @testset "views on SampleBuf work" begin
+        buf = SampleBuf(ones(500), 48000)
+        vbuf = @view buf[100:200]
+        @test vbuf isa SampleBuf
+        vbuf[10] = 2.7
+        @test buf[109] == 2.7
+    end
+
 end