X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/d6a658d27ada22781784b8e5e47947589c052583..d204fe8a60e0556b0294e17c5c6948cb6cee7d91:/interpretor/faustio.ml diff --git a/interpretor/faustio.ml b/interpretor/faustio.ml index 3094ce9..8518b5b 100644 --- a/interpretor/faustio.ml +++ b/interpretor/faustio.ml @@ -24,7 +24,7 @@ class virtual io = _basename <- basename; _dir <- dir method virtual read : string array -> beam - method virtual write : int array -> float array array array -> string array + method virtual write : rate array -> float array array array -> string array method private concat : float array array array -> float array array = fun (origin : float array array array) -> @@ -51,7 +51,12 @@ class waveio : io_type = let files = Array.map Sndfile.openfile paths in let frames = Array.map Int64.to_int (Array.map Sndfile.frames files) in - let rates = Array.map Sndfile.samplerate files in + let make_rate = + fun (denom : int) -> + fun (num : int) -> + new rate num denom in + let nums = Array.map Sndfile.samplerate files in + let rates = Array.map (make_rate 1) nums in let create_container = fun l -> Array.create l 1. in let containers = Array.map create_container frames in let _ = array_map2 Sndfile.read files containers in @@ -61,20 +66,22 @@ class waveio : io_type = array_map2 (new signal) rates (Array.map stream2func containers) in new beam signals - method write : int array -> float array array array -> string array = - fun (rates : int array) -> + method write : rate array -> float array array array -> string array = + fun (rates : rate array) -> fun (output : float array array array) -> let n = Array.length output in let paths = Array.init n (fun i -> _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".wav") in + let get_freq = fun (r : rate) -> r#to_int in + let freqs = Array.map get_freq rates in let files = let channels = self#channels output in let file_format = Sndfile.format Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in - let openwr = fun path -> fun channel -> fun rate -> - Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, rate) path in - array_map3 openwr paths channels rates in + let openwr = fun path -> fun channel -> fun freq -> + Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, freq) path in + array_map3 openwr paths channels freqs in let data = self#concat output in let _ = array_map2 Sndfile.write files data in @@ -106,7 +113,7 @@ class csvio : io_type = let values = let convertor = new value Zero in Array.map (convertor#of_float_array) data in - new signal 0 (Array.get values) + new signal (new rate 0 1) (Array.get values) method read : string array -> beam = fun (paths : string array) -> @@ -114,8 +121,8 @@ class csvio : io_type = let signals = Array.map self#csvread files in new beam signals - method write : int array -> float array array array -> string array = - fun (rates : int array) -> + method write : rate array -> float array array array -> string array = + fun (rates : rate array) -> fun (data : float array array array) -> let paths = let n = Array.length data in @@ -178,8 +185,8 @@ class iomanager = wave#set _dir _basename; csv#set _dir _basename - method write : int array -> float array array array -> string array = - fun (rates : int array) -> + method write : rate array -> float array array array -> string array = + fun (rates : rate array) -> fun (data : float array array array) -> if _format = "" then raise (Invalid_argument "output format unset.")