1 files changed, 84 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java b/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
index 9a51e3c4e234..79e84eea85df 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
@@ -211,6 +211,28 @@ public class HdmiCecMessageBuilder {
     }
 
     /**
+     * Build <Initiate Arc>
+     *
+     * @param src source address of command
+     * @param dest destination address of command
+     * @return newly created {@link HdmiCecMessage}
+     */
+    static HdmiCecMessage buildInitiateArc(int src, int dest) {
+        return buildCommand(src, dest, Constants.MESSAGE_INITIATE_ARC);
+    }
+
+    /**
+     * Build <Terminate Arc>
+     *
+     * @param src source address of command
+     * @param dest destination address of command
+     * @return newly created {@link HdmiCecMessage}
+     */
+    static HdmiCecMessage buildTerminateArc(int src, int dest) {
+        return buildCommand(src, dest, Constants.MESSAGE_TERMINATE_ARC);
+    }
+
+    /**
      * Build <Request Arc Termination>
      *
      * @param src source address of command
@@ -372,6 +394,34 @@ public class HdmiCecMessageBuilder {
     }
 
     /**
+     * Build <Set System Audio Mode> command.
+     *
+     * @param src source address of command
+     * @param des destination address of command
+     * @param systemAudioStatus whether to set System Audio Mode on or off
+     * @return newly created {@link HdmiCecMessage}
+     */
+    static HdmiCecMessage buildSetSystemAudioMode(int src, int des, boolean systemAudioStatus) {
+        return buildCommandWithBooleanParam(src, des, Constants.MESSAGE_SET_SYSTEM_AUDIO_MODE,
+            systemAudioStatus
+        );
+    }
+
+    /**
+     * Build <Report System Audio Mode> command.
+     *
+     * @param src source address of command
+     * @param des destination address of command
+     * @param systemAudioStatus whether System Audio Mode is on or off
+     * @return newly created {@link HdmiCecMessage}
+     */
+    static HdmiCecMessage buildReportSystemAudioMode(int src, int des, boolean systemAudioStatus) {
+        return buildCommandWithBooleanParam(src, des, Constants.MESSAGE_SYSTEM_AUDIO_MODE_STATUS,
+            systemAudioStatus
+        );
+    }
+
+    /**
      * Build <Give Audio Status> command.
      *
      * @param src source address of command
@@ -383,6 +433,23 @@ public class HdmiCecMessageBuilder {
     }
 
     /**
+     * Build <Report Audio Status> command.
+     *
+     * @param src source address of command
+     * @param dest destination address of command
+     * @param volume volume level of current device in param
+     * @param mute mute status of current device in param
+     * @return newly created {@link HdmiCecMessage}
+     */
+    static HdmiCecMessage buildReportAudioStatus(int src, int dest, int volume, boolean mute) {
+        byte[] params = new byte[] {
+            mute ? (byte) (1 & 0xFF) : (byte) (0 & 0xFF),
+            (byte) (volume & 0xFF)
+        };
+        return buildCommand(src, dest, Constants.MESSAGE_REPORT_AUDIO_STATUS, params);
+    }
+
+    /**
      * Build <User Control Pressed> command.
      *
      * @param src source address of command
@@ -592,6 +659,23 @@ public class HdmiCecMessageBuilder {
         return new HdmiCecMessage(src, dest, opcode, params);
     }
 
+    /**
+     * Build a {@link HdmiCecMessage} with a boolean param and other given values.
+     *
+     * @param src source address of command
+     * @param des destination address of command
+     * @param opcode opcode for a message
+     * @param param boolean param for building the command
+     * @return newly created {@link HdmiCecMessage}
+     */
+    private static HdmiCecMessage buildCommandWithBooleanParam(int src, int des,
+        int opcode, boolean param) {
+        byte[] params = new byte[]{
+            param ? (byte) 0b1 : 0b0
+        };
+        return buildCommand(src, des, opcode, params);
+    }
+
     private static byte[] physicalAddressToParam(int physicalAddress) {
         return new byte[] {
                 (byte) ((physicalAddress >> 8) & 0xFF),