X-Git-Url: https://scm.cri.mines-paristech.fr/git/Faustine.git/blobdiff_plain/8c48d01c4b78dba6159c13438b06cb7e07a1f338..6150323d86c4feb54bc8e994f7a4e52c3b34c6ec:/interpretor/faustio.ml?ds=inline

diff --git a/interpretor/faustio.ml b/interpretor/faustio.ml
index 3094ce9..7df74a6 100644
--- a/interpretor/faustio.ml
+++ b/interpretor/faustio.ml
@@ -24,13 +24,13 @@ 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 -> data -> string array
     
-    method private concat : float array array array -> float array array = 
-      fun (origin : float array array array) ->
+    method private concat : data -> matrix = 
+      fun (origin : data) ->
 	Array.map Array.concat (Array.map Array.to_list origin)
 
-    method private channels : float array array array -> int array = 
+    method private channels : data -> int array = 
       fun data ->
 	let get_channel = fun s -> 
 	  let l = Array.length s in
@@ -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) ->
-	fun (output : float array array array) ->
+    method write : rate array -> data -> string array = 
+      fun (rates : rate array) ->
+	fun (output : data) ->
 	  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) ->
@@ -114,9 +121,9 @@ 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) ->
-	fun (data : float array array array) ->
+    method write : rate array -> data -> string array = 
+      fun (rates : rate array) ->
+	fun (data : data) ->
 	  let paths = 
 	    let n = Array.length data in
 	    let path_pattern = fun i -> 
@@ -178,9 +185,9 @@ class iomanager =
 	    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) ->
+    method write : rate array -> data -> string array = 
+      fun (rates : rate array) ->
+	fun (data : data) ->
 	  if _format = "" then
 	    raise (Invalid_argument "output format unset.")
 	  else if _format = "wav" then