X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/043c676f59520b93dfacfa0d8d7e1fdd448cd7dc..1878a8448a5a73cbf289306beb5e88ab48561129:/backup/main.ml

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-(**
- 	Module: Interpreter	
-	Description: Input wave -> interpretation -> output wave
-	@author WANG Haisheng	
-	Created: 15/05/2013	Modified: 04/06/2013
-*)
-
-open Faustexp;;
-open Interpreter;;
-
-(* EXCEPTIONS *)
-
-(** Exception raised when no string expression of faust process is typed in console.*)
-exception Missing_Expression;;
-
-
-
-(* MACRO *)
-
-(** Macro constants of input/output route.*)
-type io_macro = 
-  | Input_Route_string
-  | Output_Route_string
-  | Dsp_Route_string;;
-
-(** val io_macro_to_string : io_macro -> string.*)
-let io_macro_to_string m = match m with
-  | Input_Route_string -> "input_sounds/"
-  | Output_Route_string -> "output_sounds/"
-  | Dsp_Route_string -> "dsp_files/";;
-
-
-(** val set_GC : unit -> unit *)
-let set_GC () = 
-	let _ = Gc.set { (Gc.get()) with Gc.minor_heap_size = 0xFFFFFF } in
-	let _ = Gc.set { (Gc.get()) with Gc.major_heap_increment = 0xFFFFFF } in
-	let _ = Gc.set { (Gc.get()) with Gc.space_overhead = 100 } in
-	let _ = Gc.set { (Gc.get()) with Gc.max_overhead = 0xFFFFF } in
-	let _ = Gc.set { (Gc.get()) with Gc.stack_limit = 0xFFFFF } in
-	let _ = Gc.set { (Gc.get()) with Gc.allocation_policy = 0 } in
-	() ;;
-
-(* INPUT && OUTPUT*)
-
-(** val read_input_wave : string array -> int list * float array list
-    [read_input_wave argv] gets information from command line, 
-    returns sample rate list and data (in form of float array) list. 
-*)
-let read_input_wave = fun argv ->
-        let n_input = (Array.length argv) - 3 in
-	if n_input < 0 then 
-	        raise Missing_Expression
-	else if n_input = 0 then 
-	        ([], [])
-	else
-	        (* open wave file *)
-		let file_string_array = Array.sub argv 3 n_input in
-		let make_chemin s = io_macro_to_string Input_Route_string ^ s in
-		let file_chemin_string_array = Array.map make_chemin file_string_array in
-		let file_array = Array.map Sndfile.openfile file_chemin_string_array in
-		let file_list = Array.to_list file_array in
-
-		(* prepare data container *)
-		let frames_array = Array.map Int64.to_int (Array.map Sndfile.frames file_array) in
-		let create_data_array num = Array.create num 1. in
-		let data_float_array_array = Array.map create_data_array frames_array in
-		let data_float_array_list = Array.to_list data_float_array_array in
-		
-		(* read sample rates and data *)
-		let rate_list = List.map Sndfile.samplerate file_list in
-		let _ = List.map2 Sndfile.read file_list data_float_array_list in
-		let _ = List.map Sndfile.close file_list in
-		(rate_list, data_float_array_list);;
-
-
-(** val write_output_wave : int list -> int list -> float_array_list -> unit.
-    [write_output_wave channel_numbers sample_rates data]
-*)
-let write_output_wave = fun channel_int_list -> fun rate_int_list -> fun data_float_array_list ->
-  	let () = print_endline("Making output wave files...") in
-	
-	(* make output wave file names : output0, output1, ... *)
-	let n_output = List.length data_float_array_list in
-	let n_array = Array.init n_output (fun n -> n) in
-	let make_file_name i = "output" ^ (string_of_int i) ^ ".wav" in
-
-	(* make output wave file routes *)
-	let make_chemin s = io_macro_to_string Output_Route_string ^ s in
-	let file_name_string_array = Array.map make_file_name n_array in
-	let file_chemin_string_array = Array.map make_chemin file_name_string_array in
-	let file_chemin_string_list = Array.to_list file_chemin_string_array in
-
-	(* open files for writing with respects to channel numbers and sample rates *)
-	let file_format = Sndfile.format Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in
-	let openwr = fun file_chemin_string -> fun channel -> fun rate -> 
-	  Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, rate) file_chemin_string in
-	let openwr_fun_list = fun fl -> fun cl -> fun rl -> fun i -> 
-	  openwr (List.nth fl i) (List.nth cl i) (List.nth rl i) in
-	let output_file_list = List.map 
-	    (openwr_fun_list file_chemin_string_list channel_int_list rate_int_list) 
-	    (Array.to_list (Array.init n_output (fun n -> n))) in
-
-	(* write data into files *)
-	let _ = List.map2 Sndfile.write output_file_list data_float_array_list in
-	let _ = List.map Sndfile.close output_file_list in
-	print_endline("Success.");;
-
-
-let write_output_txt = fun channel_int_list -> fun data_float_array_list ->
-        let () = print_endline("Making output txt files...") in
-
-	(* make output txt file names : output0, output1, ... *)
-	let n_output = List.length data_float_array_list in
-	let n_array = Array.init n_output (fun n -> n) in
-	let make_file_name i = "output" ^ (string_of_int i) ^ ".csv" in
-
-	(* make output wave file routes *)
-	let make_chemin s = io_macro_to_string Output_Route_string ^ s in
-	let file_name_string_array = Array.map make_file_name n_array in
-	let file_chemin_string_array = Array.map make_chemin file_name_string_array in
-	let file_chemin_string_list = Array.to_list file_chemin_string_array in
-
-	(* open output channels *)
-        let file_list = List.map open_out file_chemin_string_list in
-	let array_to_string = fun data_float_array -> fun channel_int ->
-	  let data_length = Array.length data_float_array in
-	  let rec to_string_rec = 
-	    fun data -> fun channel -> fun n -> fun i -> fun column ->
-	      if i < n then 
-		(
-		let element = string_of_float (data.(i)) in
-		if column < (channel - 1) then 
-		  element ^ "," ^ (to_string_rec data channel n (i + 1) (column + 1))
-		else if column = (channel - 1) then
-		  element ^ "\n" ^ (to_string_rec data channel n (i + 1) 0)
-		else raise (Invalid_argument "write_output_txt.")
-		    )
-	      else "" in
-	  to_string_rec data_float_array channel_int data_length 0 0 in
-
-	let data_string_list = List.map2 array_to_string data_float_array_list channel_int_list in
-	let _ = List.map2 output_string file_list data_string_list in
-	let _ = List.map close_out file_list in
-	print_endline("Success");;
-
-
-(* MAIN *)
-
-(** val main : unit -> unit
-main function reads console input strings (Sys.argv) with
-input: string of faust process, input waves in default directory 'input_sounds/'
-output: output waves in default directory 'output_sounds/'.*)
-
-let main () = 
-
-        (* ignore system alarm clock *)
-        let _ = Sys.signal Sys.sigalrm Sys.Signal_ignore in
-
-	(* set garbage collector *)
-	let _ = set_GC () in
-
-	(* read input wave files *)
-	let (input_rate_list, input_float_array_list) = read_input_wave Sys.argv in
-	
-	(* select output type *)
-	let output_type = Sys.argv.(1) in
-
-	try
-	        (* preprocess *)
-		let dsp_file_route_string = (io_macro_to_string Dsp_Route_string) ^ Sys.argv.(2) in
-		let exp_string = Preprocess.preprocess(dsp_file_route_string) in
-
-		(* parsing *)
-		let exp_faust = exp_of_string exp_string in
-
-		(* interpretation *)
-		let (output_channel_list, output_rate_list, output_float_array_list) = 
-		  interpreter exp_faust (input_rate_list, input_float_array_list) in
-
-	        (* make output wave files *)
-		if output_type = "-wav" then
-		  write_output_wave output_channel_list output_rate_list output_float_array_list
-		else if output_type = "-txt" then
-		  write_output_txt output_channel_list output_float_array_list
-		else raise (Invalid_argument ("Unkown option: " ^ output_type))
-
-	with NotYetDone ->
-		print_endline("Operation not yet programed..");;
-
-main();;
-