From bad2ff3c5921a76abd5b1155487a39070cfa9fad Mon Sep 17 00:00:00 2001
From: Haesu Gwon <haesu.gwon@samsung.com>
Date: Fri, 4 Aug 2023 16:53:33 +0900
Subject: [PATCH] [WebRTC] Add Mute API for audio track (#5440)

---
 .../Interop/Interop.WebRTC.cs                      |  6 +++
 .../WebRTC/MediaStreamTrack.cs                     | 45 +++++++++++++++++++---
 2 files changed, 45 insertions(+), 6 deletions(-)

diff --git a/src/Tizen.Multimedia.Remoting/Interop/Interop.WebRTC.cs b/src/Tizen.Multimedia.Remoting/Interop/Interop.WebRTC.cs
index d6301cf..9b6e816 100755
--- a/src/Tizen.Multimedia.Remoting/Interop/Interop.WebRTC.cs
+++ b/src/Tizen.Multimedia.Remoting/Interop/Interop.WebRTC.cs
@@ -199,6 +199,12 @@ internal static partial class Interop
         [DllImport(Libraries.WebRTC, EntryPoint = "webrtc_set_sound_stream_info")]
         internal static extern WebRTCErrorCode SetAudioStreamPolicy(IntPtr handle, uint trackId, AudioStreamPolicyHandle streamInfo);
 
+        [DllImport(Libraries.WebRTC, EntryPoint = "webrtc_set_audio_mute")]
+        internal static extern WebRTCErrorCode SetAudioMute(IntPtr handle, uint trackId, bool mute);
+
+        [DllImport(Libraries.WebRTC, EntryPoint = "webrtc_get_audio_mute")]
+        internal static extern WebRTCErrorCode GetAudioMute(IntPtr handle, uint trackId, out bool isMuted);
+
         [DllImport(Libraries.WebRTC, EntryPoint = "webrtc_set_display")]
         internal static extern WebRTCErrorCode SetDisplay(IntPtr handle, uint trackId, WebRTCDisplayType type, IntPtr display);
 
diff --git a/src/Tizen.Multimedia.Remoting/WebRTC/MediaStreamTrack.cs b/src/Tizen.Multimedia.Remoting/WebRTC/MediaStreamTrack.cs
index af49ca2..3862f67 100755
--- a/src/Tizen.Multimedia.Remoting/WebRTC/MediaStreamTrack.cs
+++ b/src/Tizen.Multimedia.Remoting/WebRTC/MediaStreamTrack.cs
@@ -79,7 +79,7 @@ namespace Tizen.Multimedia.Remoting
             {
                 if (Type != MediaType.Video)
                 {
-                    throw new InvalidOperationException("This property is only for video.");
+                    throw new InvalidOperationException("This property is only for video track.");
                 }
 
                 if (value == null)
@@ -132,7 +132,7 @@ namespace Tizen.Multimedia.Remoting
             {
                 if (Type != MediaType.Video)
                 {
-                    throw new InvalidOperationException("This property is only for video.");
+                    throw new InvalidOperationException("This property is only for video track.");
                 }
 
                 NativeWebRTC.GetDisplayMode(_webRtc.Handle, _trackId, out var val).
@@ -144,7 +144,7 @@ namespace Tizen.Multimedia.Remoting
             {
                 if (Type != MediaType.Video)
                 {
-                    throw new InvalidOperationException("This property is only for video.");
+                    throw new InvalidOperationException("This property is only for video track.");
                 }
 
                 ValidationUtil.ValidateEnum(typeof(WebRTCDisplayMode), value, nameof(value));
@@ -169,7 +169,7 @@ namespace Tizen.Multimedia.Remoting
             {
                 if (Type != MediaType.Video)
                 {
-                    throw new InvalidOperationException("This property is only for video.");
+                    throw new InvalidOperationException("This property is only for video track.");
                 }
 
                 NativeWebRTC.GetDisplayVisible(_webRtc.Handle, _trackId, out bool val).
@@ -181,7 +181,7 @@ namespace Tizen.Multimedia.Remoting
             {
                 if (Type != MediaType.Video)
                 {
-                    throw new InvalidOperationException("This property is only for video.");
+                    throw new InvalidOperationException("This property is only for video track.");
                 }
 
                 NativeWebRTC.SetDisplayVisible(_webRtc.Handle, _trackId, value).
@@ -190,6 +190,39 @@ namespace Tizen.Multimedia.Remoting
         }
 
         /// <summary>
+        /// Gets or sets the mute status of the audio track.
+        /// </summary>
+        /// <value>true if audio is muted, otherwise false. The default value is false.</value>
+        /// <exception cref="ObjectDisposedException">The WebRTC has already been disposed.</exception>
+        /// <exception cref="InvalidOperationException">This MediaStreamTrack is not Audio.</exception>
+        /// <since_tizen> 11 </since_tizen>
+        public bool Mute
+        {
+            get
+            {
+                if (Type != MediaType.Audio)
+                {
+                    throw new InvalidOperationException("This property is only for audio track.");
+                }
+
+                NativeWebRTC.GetAudioMute(_webRtc.Handle, _trackId, out bool val).
+                    ThrowIfFailed("Failed to get audio mute status");
+
+                return val;
+            }
+            set
+            {
+                if (Type != MediaType.Audio)
+                {
+                    throw new InvalidOperationException("This property is only for audio track.");
+                }
+
+                NativeWebRTC.SetAudioMute(_webRtc.Handle, _trackId, value).
+                    ThrowIfFailed("Failed to set audio mute status.");
+            }
+        }
+
+        /// <summary>
         /// Applies the audio stream policy to remote track.
         /// </summary>
         /// <param name="policy">The <see cref="AudioStreamPolicy"/> to apply.</param>
@@ -228,7 +261,7 @@ namespace Tizen.Multimedia.Remoting
 
             if (Type != MediaType.Audio)
             {
-                throw new InvalidOperationException("Should be applied in Audio");
+                throw new InvalidOperationException("This method is only for audio track.");
             }
 
             var ret = NativeWebRTC.SetAudioStreamPolicy(_webRtc.Handle, _trackId, policy.Handle);
-- 
2.7.4