added mute and unmute commands

Closes: #66

Author: vishen

README.md

@@ -55,6 +55,7 @@ Available Commands:
   help        Help about any command
   load        Load and play media on the chromecast
   ls          List devices
+  mute        Mute the chromecast
   next        Play the next available media
   pause       Pause the currently playing media on the chromecast
   playlist    Load and play media on the chromecast
@@ -67,6 +68,7 @@ Available Commands:
   stop        Stop casting
   tts         text-to-speech
   ui          Run the UI
+  unmute      Unmute the chromecast
   unpause     Unpause the currently playing media on the chromecast
   volume      Get or set volume
   watch       Watch all events sent from a chromecast device
@@ -78,6 +80,7 @@ Flags:
   -n, --device-name string   chromecast device name
       --disable-cache        disable the cache
       --dns-timeout int      Multicast DNS timeout in seconds when searching for chromecast DNS entries (default 3)
+      --first                Use first cast device found
   -h, --help                 help for go-chromecast
   -i, --iface string         Network interface to use when looking for a local address to use for the http server or for use with multicast dns discovery
   -p, --port string          Port of the chromecast device if 'addr' is specified (default "8009")

cmd/mute.go

@@ -0,0 +1,42 @@
+// Copyright © 2020 Jonathan Pentecost <[email protected]>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// muteCmd represents the mute command
+var muteCmd = &cobra.Command{
+	Use:   "mute",
+	Short: "Mute the chromecast",
+	Run: func(cmd *cobra.Command, args []string) {
+		app, err := castApplication(cmd, args)
+		if err != nil {
+			fmt.Printf("unable to get cast application: %v\n", err)
+			return
+		}
+		if err := app.SetMuted(true); err != nil {
+			fmt.Printf("unable to mute cast application: %v\n", err)
+			return
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(muteCmd)
+}

cmd/unmute.go

@@ -0,0 +1,42 @@
+// Copyright © 2020 Jonathan Pentecost <[email protected]>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// unmuteCmd represents the unmute command
+var unmuteCmd = &cobra.Command{
+	Use:   "unmute",
+	Short: "Unmute the chromecast",
+	Run: func(cmd *cobra.Command, args []string) {
+		app, err := castApplication(cmd, args)
+		if err != nil {
+			fmt.Printf("unable to get cast application: %v\n", err)
+			return
+		}
+		if err := app.SetMuted(false); err != nil {
+			fmt.Printf("unable to unmute cast application: %v\n", err)
+			return
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(unmuteCmd)
+}

testdata/helptext.txt

@@ -16,6 +16,7 @@ Available Commands:
   help        Help about any command
   load        Load and play media on the chromecast
   ls          List devices
+  mute        Mute the chromecast
   next        Play the next available media
   pause       Pause the currently playing media on the chromecast
   playlist    Load and play media on the chromecast
@@ -28,6 +29,7 @@ Available Commands:
   stop        Stop casting
   tts         text-to-speech
   ui          Run the UI
+  unmute      Unmute the chromecast
   unpause     Unpause the currently playing media on the chromecast
   volume      Get or set volume
   watch       Watch all events sent from a chromecast device