Text2waveSpeakGenerator: use a temporary file instead of stdout

stdout wasn't working (data seemed corrupted)
nafg · Oct 17, 2018 · b4c4ed2 · b4c4ed2
1 parent 875d0e9
commit b4c4ed2
Showing 1 changed file with 4 additions and 15 deletions.
diff --git a/core/src/main/scala/simpleivr/Text2waveSpeakGenerator.scala b/core/src/main/scala/simpleivr/Text2waveSpeakGenerator.scala
@@ -1,7 +1,7 @@
 package simpleivr
 
-import java.nio.ByteBuffer
 import java.nio.channels.Channels
+import java.nio.file.Files
 
 import scala.io.Source
 
@@ -17,26 +17,15 @@ object Text2waveSpeakGenerator extends SpeakGenerator {
           .write { writeChan =>
             IO {
               println("Falling back to text2wave because audio file does not exist: " + speak.files.supportedAudioFiles)
-              val text2wave = Runtime.getRuntime.exec("/usr/bin/text2wave -scale 1.5 -F 8000")
+              val tmpFile = Files.createTempFile("chavrusa-text2wave", ".wav")
+              val text2wave = Runtime.getRuntime.exec("/usr/bin/text2wave -scale 1.5 -F 8000 -o " + tmpFile.toString)
               val stdin = text2wave.getOutputStream
               stdin.write(speak.msg.getBytes())
               stdin.flush()
-              val stdout = Channels.newChannel(text2wave.getInputStream)
-              val buf = ByteBuffer.allocate(8192)
-              Iterator.continually {
-                buf.clear()
-                stdout.read(buf)
-              }
-                .takeWhile(_ >= 0)
-                .foreach { _ =>
-                  buf.flip()
-                  writeChan.write(buf)
-                }
-              text2wave.getInputStream
               stdin.close()
-              stdout.close()
               text2wave.waitFor()
               Source.fromInputStream(text2wave.getErrorStream).getLines() foreach println
+              Files.copy(tmpFile, Channels.newOutputStream(writeChan))
             }
           }
           .flatMap { either =>