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-rw-r--r--media/java/android/media/AudioTrack.java48
-rw-r--r--media/java/android/media/MediaScanner.java27
-rw-r--r--media/java/android/mtp/MtpServer.java30
3 files changed, 63 insertions, 42 deletions
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index b97c3c4..b20a6e9 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -32,24 +32,25 @@ import android.util.Log;
* It allows to stream PCM audio buffers to the audio hardware for playback. This is
* achieved by "pushing" the data to the AudioTrack object using one of the
* {@link #write(byte[], int, int)} and {@link #write(short[], int, int)} methods.
- *
+ *
* <p>An AudioTrack instance can operate under two modes: static or streaming.<br>
* In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using
- * one of the write() methods. These are blocking and return when the data has been transferred
- * from the Java layer to the native layer and queued for playback. The streaming mode
- * is most useful when playing blocks of audio data that for instance are:
+ * one of the {@code write()} methods. These are blocking and return when the data has been
+ * transferred from the Java layer to the native layer and queued for playback. The streaming
+ * mode is most useful when playing blocks of audio data that for instance are:
+ *
* <ul>
* <li>too big to fit in memory because of the duration of the sound to play,</li>
* <li>too big to fit in memory because of the characteristics of the audio data
* (high sampling rate, bits per sample ...)</li>
* <li>received or generated while previously queued audio is playing.</li>
* </ul>
+ *
* The static mode is to be chosen when dealing with short sounds that fit in memory and
- * that need to be played with the smallest latency possible. AudioTrack instances in static mode
- * can play the sound without the need to transfer the audio data from Java to native layer
- * each time the sound is to be played. The static mode will therefore be preferred for UI and
- * game sounds that are played often, and with the smallest overhead possible.
- *
+ * that need to be played with the smallest latency possible. The static mode will
+ * therefore be preferred for UI and game sounds that are played often, and with the
+ * smallest overhead possible.
+ *
* <p>Upon creation, an AudioTrack object initializes its associated audio buffer.
* The size of this buffer, specified during the construction, determines how long an AudioTrack
* can play before running out of data.<br>
@@ -816,6 +817,7 @@ public class AudioTrack
//--------------------
/**
* Starts playing an AudioTrack.
+ *
* @throws IllegalStateException
*/
public void play()
@@ -832,6 +834,7 @@ public class AudioTrack
/**
* Stops playing the audio data.
+ *
* @throws IllegalStateException
*/
public void stop()
@@ -848,7 +851,10 @@ public class AudioTrack
}
/**
- * Pauses the playback of the audio data.
+ * Pauses the playback of the audio data. Data that has not been played
+ * back will not be discarded. Subsequent calls to {@link #play} will play
+ * this data back.
+ *
* @throws IllegalStateException
*/
public void pause()
@@ -871,9 +877,9 @@ public class AudioTrack
//--------------------
/**
- * Flushes the audio data currently queued for playback.
+ * Flushes the audio data currently queued for playback. Any data that has
+ * not been played back will be discarded.
*/
-
public void flush() {
if (mState == STATE_INITIALIZED) {
// flush the data in native layer
@@ -883,9 +889,14 @@ public class AudioTrack
}
/**
- * Writes the audio data to the audio hardware for playback.
+ * Writes the audio data to the audio hardware for playback. Will block until
+ * all data has been written to the audio mixer.
+ * Note that the actual playback of this data might occur after this function
+ * returns. This function is thread safe with respect to {@link #stop} calls,
+ * in which case all of the specified data might not be written to the mixer.
+ *
* @param audioData the array that holds the data to play.
- * @param offsetInBytes the offset expressed in bytes in audioData where the data to play
+ * @param offsetInBytes the offset expressed in bytes in audioData where the data to play
* starts.
* @param sizeInBytes the number of bytes to read in audioData after the offset.
* @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION}
@@ -914,7 +925,12 @@ public class AudioTrack
/**
- * Writes the audio data to the audio hardware for playback.
+ * Writes the audio data to the audio hardware for playback. Will block until
+ * all data has been written to the audio mixer.
+ * Note that the actual playback of this data might occur after this function
+ * returns. This function is thread safe with respect to {@link #stop} calls,
+ * in which case all of the specified data might not be written to the mixer.
+ *
* @param audioData the array that holds the data to play.
* @param offsetInShorts the offset expressed in shorts in audioData where the data to play
* starts.
@@ -988,7 +1004,7 @@ public class AudioTrack
/**
* Sets the send level of the audio track to the attached auxiliary effect
- * {@see #attachAuxEffect(int)}. The level value range is 0 to 1.0.
+ * {@link #attachAuxEffect(int)}. The level value range is 0 to 1.0.
* <p>By default the send level is 0, so even if an effect is attached to the player
* this method must be called for the effect to be applied.
* <p>Note that the passed level value is a raw scalar. UI controls should be scaled
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index e8ddd2d..8c8569a 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -707,7 +707,9 @@ public class MediaScanner
map.put(MediaStore.MediaColumns.MIME_TYPE, mMimeType);
map.put(MediaStore.MediaColumns.IS_DRM, mIsDrm);
- if (!mNoMedia) {
+ if (mNoMedia) {
+ map.put(MediaStore.MediaColumns.NO_MEDIA, true);
+ } else {
if (MediaFile.isVideoFileType(mFileType)) {
map.put(Video.Media.ARTIST, (mArtist != null && mArtist.length() > 0
? mArtist : MediaStore.UNKNOWN_STRING));
@@ -835,6 +837,9 @@ public class MediaScanner
}
}
+ // For inserts we always use the file URI so we can insert in bulk.
+ // For updates we compute the URI based on the media type.
+ Uri tableUri = mFilesUri;
Uri result = null;
if (rowId == 0) {
if (mMtpObjectHandle != 0) {
@@ -850,7 +855,7 @@ public class MediaScanner
if (mFileInserter != null) {
result = mFileInserter.insert(values);
} else {
- result = mMediaProvider.insert(mFilesUri, values);
+ result = mMediaProvider.insert(tableUri, values);
}
if (result != null) {
@@ -858,8 +863,18 @@ public class MediaScanner
entry.mRowId = rowId;
}
} else {
+ if (!mNoMedia) {
+ if (MediaFile.isVideoFileType(mFileType)) {
+ tableUri = mVideoUri;
+ } else if (MediaFile.isImageFileType(mFileType)) {
+ tableUri = mImagesUri;
+ } else if (MediaFile.isAudioFileType(mFileType)) {
+ tableUri = mAudioUri;
+ }
+ }
+
// updated file
- result = ContentUris.withAppendedId(mFilesUri, rowId);
+ result = ContentUris.withAppendedId(tableUri, rowId);
// path should never change, and we want to avoid replacing mixed cased paths
// with squashed lower case paths
values.remove(MediaStore.MediaColumns.DATA);
@@ -909,19 +924,19 @@ public class MediaScanner
if (notifications && !mDefaultNotificationSet) {
if (TextUtils.isEmpty(mDefaultNotificationFilename) ||
doesPathHaveFilename(entry.mPath, mDefaultNotificationFilename)) {
- setSettingIfNotSet(Settings.System.NOTIFICATION_SOUND, mFilesUri, rowId);
+ setSettingIfNotSet(Settings.System.NOTIFICATION_SOUND, tableUri, rowId);
mDefaultNotificationSet = true;
}
} else if (ringtones && !mDefaultRingtoneSet) {
if (TextUtils.isEmpty(mDefaultRingtoneFilename) ||
doesPathHaveFilename(entry.mPath, mDefaultRingtoneFilename)) {
- setSettingIfNotSet(Settings.System.RINGTONE, mFilesUri, rowId);
+ setSettingIfNotSet(Settings.System.RINGTONE, tableUri, rowId);
mDefaultRingtoneSet = true;
}
} else if (alarms && !mDefaultAlarmSet) {
if (TextUtils.isEmpty(mDefaultAlarmAlertFilename) ||
doesPathHaveFilename(entry.mPath, mDefaultAlarmAlertFilename)) {
- setSettingIfNotSet(Settings.System.ALARM_ALERT, mFilesUri, rowId);
+ setSettingIfNotSet(Settings.System.ALARM_ALERT, tableUri, rowId);
mDefaultAlarmSet = true;
}
}
diff --git a/media/java/android/mtp/MtpServer.java b/media/java/android/mtp/MtpServer.java
index 0133cf6..f561cc0 100644
--- a/media/java/android/mtp/MtpServer.java
+++ b/media/java/android/mtp/MtpServer.java
@@ -16,18 +16,13 @@
package android.mtp;
-import android.util.Log;
-
/**
* Java wrapper for MTP/PTP support as USB responder.
* {@hide}
*/
-public class MtpServer {
-
- private final Object mLock = new Object();
- private boolean mStarted;
+public class MtpServer implements Runnable {
- private static final String TAG = "MtpServer";
+ private int mNativeContext; // accessed by native methods
static {
System.loadLibrary("media_jni");
@@ -38,19 +33,14 @@ public class MtpServer {
}
public void start() {
- synchronized (mLock) {
- native_start();
- mStarted = true;
- }
+ Thread thread = new Thread(this, "MtpServer");
+ thread.start();
}
- public void stop() {
- synchronized (mLock) {
- if (mStarted) {
- native_stop();
- mStarted = false;
- }
- }
+ @Override
+ public void run() {
+ native_run();
+ native_cleanup();
}
public void sendObjectAdded(int handle) {
@@ -70,8 +60,8 @@ public class MtpServer {
}
private native final void native_setup(MtpDatabase database, boolean usePtp);
- private native final void native_start();
- private native final void native_stop();
+ private native final void native_run();
+ private native final void native_cleanup();
private native final void native_send_object_added(int handle);
private native final void native_send_object_removed(int handle);
private native final void native_add_storage(MtpStorage storage);
generated by cgit v1.1 at 2025-11-30 09:17:09 +0000