work on review comments and code formating. (c73305cf) · Commits · e / os / android_frameworks_base

media/java/android/media/videoeditor/AudioTrack.java

+51 −11

Original line number	Diff line number	Diff line
		@@ -35,6 +35,11 @@ public class AudioTrack {
		private long mEndBoundaryTimeMs;
		private boolean mLoop;

		private final int mAudioChannels;
		private final int mAudioType;
		private final int mAudioBitrate;
		private final int mAudioSamplingFrequency;

		// Ducking variables
		private int mDuckingThreshold;
		private int mDuckingLowVolume;
		@@ -54,7 +59,6 @@ public class AudioTrack {

		/**
		* Constructor
		*
		* @param audioTrackId The AudioTrack id
		* @param filename The absolute file name
		*
		@@ -68,6 +72,13 @@ public class AudioTrack {
		mStartTimeMs = 0;
		// TODO: This value represents to the duration of the audio file
		mDurationMs = 300000;
		// TODO: This value needs to be read from the audio track of the source
		// file
		mAudioChannels = 2;
		mAudioType = MediaProperties.ACODEC_AAC_LC;
		mAudioBitrate = 128000;
		mAudioSamplingFrequency = 44100;

		mTimelineDurationMs = mDurationMs;
		mVolumePercent = 100;

		@@ -103,6 +114,34 @@ public class AudioTrack {
		return mFilename;
		}

		/**
		* @return The number of audio channels in the source of this audio track
		*/
		public int getAudioChannels() {
		return mAudioChannels;
		}

		/**
		* @return The audio codec of the source of this audio track
		*/
		public int getAudioType() {
		return mAudioType;
		}

		/**
		* @return The audio sample frequency of the audio track
		*/
		public int getAudioSamplingFrequency() {
		return mAudioSamplingFrequency;
		}

		/**
		* @return The audio bitrate of the audio track
		*/
		public int getAudioBitrate() {
		return mAudioBitrate;
		}

		/**
		* Set the volume of this audio track as percentage of the volume in the
		* original audio source file.
		@@ -112,8 +151,8 @@ public class AudioTrack {
		* is same as original volume. It it is set to 200, then volume
		* is doubled (provided that volume amplification is supported)
		*
		* @throws UnsupportedOperationException if volume amplification is requested
		* and is not supported.
		* @throws UnsupportedOperationException if volume amplification is
		* requested and is not supported.
		*/
		public void setVolume(int volumePercent) {
		mVolumePercent = volumePercent;
		@@ -209,8 +248,8 @@ public class AudioTrack {

		/**
		* Enable the loop mode for this audio track. Note that only one of the
		* audio tracks in the timeline can have the loop mode enabled. When
		* looping is enabled the samples between mBeginBoundaryTimeMs and
		* audio tracks in the timeline can have the loop mode enabled. When looping
		* is enabled the samples between mBeginBoundaryTimeMs and
		* mEndBoundaryTimeMs are looped.
		*/
		public void enableLoop() {
		@@ -285,7 +324,8 @@ public class AudioTrack {
		*/
		public void extractAudioWaveform(ExtractAudioWaveformProgressListener listener)
		throws IOException {
		// TODO: Set mAudioWaveformFilename at the end once the extract is complete
		// TODO: Set mAudioWaveformFilename at the end once the extract is
		// complete
		}

		/**

media/java/android/media/videoeditor/MediaVideoItem.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -82,7 +82,8 @@ public class MediaVideoItem extends MediaItem {
		private final PlaybackProgressListener mListener;
		private final int mCallbackAfterFrameCount;
		private final long mFromMs, mToMs;
		private boolean mRun, mLoop;
		private boolean mRun;
		private final boolean mLoop;
		private long mPositionMs;

		/**