X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/c0ac16bdf3099698bb61bb8183f047381a6c713e..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/faustio.ml

diff --git a/interpretor/faustio.ml b/interpretor/faustio.ml
deleted file mode 100644
index 3094ce9..0000000
--- a/interpretor/faustio.ml
+++ /dev/null
@@ -1,192 +0,0 @@
-(**
- 	Module: Faustio	
-	Description: audio input/output, csv input/output
-	@author WANG Haisheng	
-	Created: 12/08/2013	Modified: 13/08/2013
-*)
-
-open Types;;
-open Basic;;
-open Value;;
-open Signal;;
-open Beam;;
-open Aux;;
-
-let csv_read_buffer_length = 0xFFFF;;
-
-class virtual io = 
-  object
-    val mutable _basename = ""
-    val mutable _dir = ""
-    method set : string -> string -> unit = 
-      fun (dir : string) ->
-	fun (basename : string) ->
-	  _basename <- basename; _dir <- dir
-
-    method virtual read : string array -> beam
-    method virtual write : int array -> float array array array -> string array
-    
-    method private concat : float array array array -> float array array = 
-      fun (origin : float array array array) ->
-	Array.map Array.concat (Array.map Array.to_list origin)
-
-    method private channels : float array array array -> int array = 
-      fun data ->
-	let get_channel = fun s -> 
-	  let l = Array.length s in
-	  Array.length s.(l - 1) in
-	Array.map get_channel data  
-  end;;
-
-class waveio : io_type = 
-  object (self)
-    inherit io
-    method read : string array -> beam = 
-      fun (paths : string array) ->
-	let n = Array.length paths in
-	if n = 0 then
-	  new beam [||]
-	else 
-	  let signals = 
-	    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 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
-	    let _ = Array.map Sndfile.close files in
-	    let stream2func = 
-	      fun stream -> fun t -> new value (R stream.(t)) in
-	    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) ->
-	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 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 data = self#concat output in
-	    let _ = array_map2 Sndfile.write files data in
-	    let _ = Array.map Sndfile.close files in
-	  paths
-  end;;
-
-
-
-class csvio : io_type = 
-  object (self)
-    inherit io
-    method private csvread : in_channel -> signal = 
-      fun (ic : in_channel) ->
-	let buffer = Buffer.create csv_read_buffer_length in
-	let () = 
-	  try
-	    while true do
-	      Buffer.add_string buffer (input_line ic);
-	      Buffer.add_char buffer '\t';
-	    done; 
-	  with End_of_file -> () in
-	let content = Buffer.contents buffer in
-	let lines = Str.split (Str.regexp "\t") content in
-	let elements = List.map (Str.split (Str.regexp ",")) lines in
-	let data = 
-	  let data_in_list = List.map (List.map float_of_string) elements in
-	  Array.of_list (List.map Array.of_list data_in_list) in      
-	let values = 
-	  let convertor = new value Zero in
-	  Array.map (convertor#of_float_array) data in
-	new signal 0 (Array.get values)
-
-    method read : string array -> beam =
-      fun (paths : string array) ->
-	let files = Array.map open_in paths in
-	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) ->
-	fun (data : float array array array) ->
-	  let paths = 
-	    let n = Array.length data in
-	    let path_pattern = fun i -> 
-	      _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".csv" in
-	    Array.init n path_pattern in	  
-
-	  let files = Array.map open_out paths in
-	  let strings = 
-	    let value2string : float array -> string =
-	      fun (v : float array) ->
-		let strings = Array.map string_of_float v in
-		String.concat "," (Array.to_list strings) in
-	    let signal2string : float array array -> string = 
-	      fun (s : float array array) -> 
-		let lines = Array.map value2string s in
-		String.concat "\n" (Array.to_list lines) in
-	    Array.map signal2string data in
-	  let _ = array_map2 output_string files strings in
-	  let _ = Array.map close_out files in
-	  paths
-  end;;
-
-
-class iomanager = 
-  object (self)
-    val wave = new waveio
-    val csv = new csvio
-    val mutable _dir = ""
-    val mutable _format = ""
-    val mutable _basename = ""
-
-    method private grab_format : string -> string = 
-      fun (path : string) ->
-	let fragments = Str.split (Str.regexp "\.") path in
-	let n = List.length fragments in
-	List.nth fragments (n - 1)	
-
-    method read : string list -> beam_type = 
-      fun (paths : string list) ->
-	let formats = List.map self#grab_format paths in
-	let read_one : string -> string -> beam_type = 
-	  fun (format : string) ->
-	    fun (path : string) ->
-	      if format = "wav" then wave#read [|path|]
-	      else if format = "csv" then csv#read [|path|]
-	      else raise (Invalid_argument "Unknown format.") in
-	let beams = List.map2 read_one formats paths in
-	let concat : beam_type -> beam_type -> beam_type = 
-	  fun b1 -> fun b2 -> b1#append b2 in
-	List.fold_left concat (new beam [||]) beams
-	      
-    method set : string -> string -> string -> unit = 
-      fun (dir : string) ->
-	fun (format : string) ->
-	  fun (basename : string) ->
-	    _dir <- dir; 
-	    _format <- format; 
-	    _basename <- basename;
-	    wave#set _dir _basename;
-	    csv#set _dir _basename
-
-    method write : int array -> float array array array -> string array = 
-      fun (rates : int array) ->
-	fun (data : float array array array) ->
-	  if _format = "" then
-	    raise (Invalid_argument "output format unset.")
-	  else if _format = "wav" then 
-	    wave#write rates data
-	  else if _format = "csv" then
-	    csv#write rates data 
-	  else raise (Invalid_argument "unknown format.")
-	
-  end;;