open Beam;;
open Aux;;
+exception IO_Error of string;;
+
let csv_read_buffer_length = 0xFFFF;;
class virtual io =
object
+ val mutable _filename = ""
val mutable _basename = ""
val mutable _dir = ""
- method set : string -> string -> unit =
- fun (dir : string) ->
- fun (basename : string) ->
- _basename <- basename; _dir <- dir
+ method set : string -> string -> string -> unit =
+ fun (filename : string) ->
+ fun (dir : string) ->
+ fun (basename : string) ->
+ _filename <- filename; _basename <- basename; _dir <- dir
method virtual read : string array -> beam
- method virtual write : rate array -> data -> string array
+ method virtual write : rate array -> data -> string * string -> string array
method private concat : data -> matrix =
fun (origin : data) ->
array_map2 (new signal) rates (Array.map stream2func containers) in
new beam signals
- method write : rate array -> data -> string array =
+ method write : rate array -> data -> string * string -> 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 freq ->
- Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, freq) path in
- array_map3 openwr paths channels freqs in
-
+ fun (info : string * string) ->
+ let stdoutput = fst info in
+ let basename = snd info in
+ let n = Array.length output in
+ let paths =
+ if n = 1 && stdoutput <> "" && basename = "" then
+ let () = Unix.unlink stdoutput in [|stdoutput|]
+ else if stdoutput = "" && basename <> "" then
+ Array.init n (fun i ->
+ _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".wav")
+ else if stdoutput = "" && basename = "" then
+ raise (IO_Error "Please specify stdout or output basename.")
+ else raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.") 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 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
let _ = Array.map Sndfile.close files in
- paths
+ paths
end;;
let signals = Array.map self#csvread files in
new beam signals
- method write : rate array -> data -> string array =
+ method write : rate array -> data -> string * string -> string array =
fun (rates : rate array) ->
fun (data : data) ->
- let paths =
+ fun (info : string * string) ->
+ let stdoutput = fst info in
+ let basename = snd info in
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
+ 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
+
+ if stdoutput = "" && basename = "" then
+ let _ = Array.map (output_string stdout) strings in
+ [|"Stdout"|]
+ else
+ let paths =
+ if n = 1 && stdoutput <> "" && basename = "" then
+ let () = Unix.unlink stdoutput in [|stdoutput|]
+ else if stdoutput = "" && basename <> "" then
+ Array.init n (fun i ->
+ _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".csv")
+ else raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.") in
+ let files = Array.map open_out paths in
+ let _ = array_map2 output_string files strings in
+ let _ = Array.map close_out files in
+ paths
end;;
object (self)
val wave = new waveio
val csv = new csvio
+ val mutable _filename = ""
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 formats = List.map format_of_file paths in
let read_one : string -> string -> beam_type =
fun (format : string) ->
fun (path : string) ->
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 set : string -> string -> string -> string -> unit =
+ fun (filename : string) ->
+ fun (dir : string) ->
+ fun (format : string) ->
+ fun (basename : string) ->
+ _filename <- filename;
+ _dir <- dir;
+ _format <- format;
+ _basename <- basename;
+ wave#set _filename _dir _basename;
+ csv#set _filename _dir _basename
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
- wave#write rates data
- else if _format = "csv" then
- csv#write rates data
- else raise (Invalid_argument "unknown format.")
-
+ let n = Array.length rates in
+ if n = 1 then (
+ if _filename <> "" then (
+ let fmt = format_of_file _filename in
+ if fmt = "csv" then csv#write rates data (_filename, "")
+ else if fmt = "wav" then wave#write rates data (_filename, "")
+ else raise (IO_Error "Unknown stdout format."))
+ else if _basename <> "" && _format <> "" then (
+ if _format = "csv" then csv#write rates data ("", _basename)
+ else if _format = "wav" then wave#write rates data ("", _basename)
+ else raise (IO_Error "Unknown --oformat."))
+ else if _filename = "" && _basename = "" && _format = "" then
+ csv#write rates data ("", "")
+ else raise (IO_Error "Please specify both --obasename and --oformat."))
+
+ else if n > 1 then (
+ if _filename <> "" then
+ raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.")
+ else if _basename <> "" && _format <> "" then (
+ if _format = "csv" then csv#write rates data ("", _basename)
+ else if _format = "wav" then wave#write rates data ("", _basename)
+ else raise (IO_Error "Unknown --oformat."))
+ else raise (IO_Error "Please specify both --obasename and --oformat."))
+
+ else
+ [|"no output signal."|]
end;;
projects / Faustine.git / blobdiff