Adding more cec commands builder methods. (3c161d45) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java

+84 −0

Original line number	Diff line number	Diff line
		@@ -210,6 +210,28 @@ public class HdmiCecMessageBuilder {
		return buildCommand(src, dest, Constants.MESSAGE_REQUEST_ARC_INITIATION);
		}

		/**
		* 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>
		*
		@@ -371,6 +393,34 @@ 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.
		*
		@@ -382,6 +432,23 @@ public class HdmiCecMessageBuilder {
		return buildCommand(src, dest, Constants.MESSAGE_GIVE_AUDIO_STATUS);
		}

		/**
		* 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.
		*
		@@ -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),