From ee832bac958585259ac26f59be23b0c7aed26a94 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Fri, 1 Apr 2016 02:45:43 +0200
Subject: implemented audio commands


diff --git a/src/rhctl/audio_switch_command.go b/src/rhctl/audio_switch_command.go
index 2aed51f..df357a6 100644
--- a/src/rhctl/audio_switch_command.go
+++ b/src/rhctl/audio_switch_command.go
@@ -130,8 +130,8 @@ const (
 	SwitchCmdStatusRelay   SwitchCmdString = "*uSR"
 	SwitchCmdStatusSilence SwitchCmdString = "*uSS"
 
-	SwitchCmdAudioSelectInput      SwitchCmdString = "*uiio"
-	SwitchCmdAudioSelectInputAll   SwitchCmdString = "*uiiA"
+	SwitchCmdAudioApplyInput       SwitchCmdString = "*uiio"
+	SwitchCmdAudioApplyInputAll    SwitchCmdString = "*uiiA"
 	SwitchCmdAudioAddInputTo1      SwitchCmdString = "*uii3"
 	SwitchCmdAudioAddInputTo2      SwitchCmdString = "*uii4"
 	SwitchCmdAudioRemoveInputFrom1 SwitchCmdString = "*uii5"
@@ -140,9 +140,8 @@ const (
 	SwitchCmdAudioMuteInputAll     SwitchCmdString = "*uiiMA"
 	SwitchCmdAudioMuteOutput       SwitchCmdString = "*uMo"
 	SwitchCmdAudioMuteOutputAll    SwitchCmdString = "*uMA"
-
-	SwitchCmdAudioFadeUpInput   SwitchCmdString = "*uFUii"
-	SwitchCmdAudioFadeDownInput SwitchCmdString = "*uFDii"
+	SwitchCmdAudioFadeUpInput      SwitchCmdString = "*uFUii"
+	SwitchCmdAudioFadeDownInput    SwitchCmdString = "*uFDii"
 
 	SwitchCmdOCUnlatch SwitchCmdString = "*uOOcF"
 	SwitchCmdOCLatch   SwitchCmdString = "*uOOcL"
@@ -200,9 +199,111 @@ func SwitchCommandParseStatus(args []string) (cmdstr SwitchCmdString, cmdargs []
 	}
 	return
 }
+
+func SwitchCommandParseAudio(args []string) (cmdstr SwitchCmdString, cmdargs []interface{}, err error) {
+	if len(args) < 2 || len(args) > 3 {
+		err = fmt.Errorf("wrong number of arguments")
+		return
+	}
+
+	var onum SwitchOutputNum
+	if args[0] != "all" {
+		if err = onum.FromString(args[0]); err != nil {
+			return
+		}
+		cmdargs = append(cmdargs, onum)
+	}
+	var inum SwitchInputNum
+	if len(args) == 3 {
+		if err = inum.FromString(args[2]); err != nil {
+			return
+		}
+		cmdargs = append(cmdargs, inum)
+	}
+
+	switch args[1] {
+	case "apply":
+		if len(args) != 3 {
+			err = fmt.Errorf("wrong number of arguments")
+			return
+		}
+		if onum == 0 {
+			cmdstr = SwitchCmdAudioApplyInputAll
+		} else {
+			cmdstr = SwitchCmdAudioApplyInput
+		}
+	case "add":
+		if len(args) != 3 {
+			err = fmt.Errorf("wrong number of arguments")
+			return
+		}
+		switch onum {
+		case 1:
+			cmdstr = SwitchCmdAudioAddInputTo1
+		case 2:
+			cmdstr = SwitchCmdAudioAddInputTo2
+		default:
+			err = fmt.Errorf("this operation cannot be applied to all outputs")
+			return
+		}
+	case "remove":
+		if len(args) != 3 {
+			err = fmt.Errorf("wrong number of arguments")
+			return
+		}
+		switch onum {
+		case 1:
+			cmdstr = SwitchCmdAudioRemoveInputFrom1
+		case 2:
+			cmdstr = SwitchCmdAudioRemoveInputFrom2
+		default:
+			err = fmt.Errorf("this operation cannot be applied to all outputs")
+			return
+		}
+	case "up":
+		if len(args) != 3 {
+			err = fmt.Errorf("wrong number of arguments")
+			return
+		}
+		if onum != 1 {
+			err = fmt.Errorf("this operation is only allowed on output 1")
+			return
+		}
+		cmdstr = SwitchCmdAudioFadeUpInput
+	case "down":
+		if len(args) != 3 {
+			err = fmt.Errorf("wrong number of arguments")
+			return
+		}
+		if onum != 1 {
+			err = fmt.Errorf("this operation is only allowed on output 1")
+			return
+		}
+		cmdstr = SwitchCmdAudioFadeDownInput
+	case "mute":
+		if len(args) == 3 {
+			if onum == 0 {
+				cmdstr = SwitchCmdAudioMuteInputAll
+			} else {
+				cmdstr = SwitchCmdAudioMuteInput
+			}
+		} else {
+			if onum == 0 {
+				cmdstr = SwitchCmdAudioMuteOutputAll
+			} else {
+				cmdstr = SwitchCmdAudioMuteOutput
+			}
+		}
+	default:
+		err = fmt.Errorf("unknown operation: '%s', must be one of latch, unlatch, pulse", args[1])
+		return
+	}
+	return
+}
+
 func SwitchCommandParseRelay(args []string) (cmdstr SwitchCmdString, cmdargs []interface{}, err error) {
 	if len(args) != 2 {
-		err = fmt.Errorf("wrong number of arguments, expecting: <oc-num> (latch|unlatch|pulse)")
+		err = fmt.Errorf("wrong number of arguments, expecting: <relay-num> (latch|unlatch|pulse)")
 		return
 	}
 	var num SwitchRelayNum
@@ -253,6 +354,8 @@ func NewSwitchCommandFromStrings(cmd string, args ...string) (c *SwitchCommand,
 	switch cmd {
 	case "status":
 		c.Cmd, c.Args, err = SwitchCommandParseStatus(args)
+	case "out":
+		c.Cmd, c.Args, err = SwitchCommandParseAudio(args)
 	case "relay":
 		c.Cmd, c.Args, err = SwitchCommandParseRelay(args)
 	case "oc":
-- 
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