Merge "Whitespace"
diff --git a/cmds/stagefright/Android.mk b/cmds/stagefright/Android.mk
index e41b666..30be7fa 100644
--- a/cmds/stagefright/Android.mk
+++ b/cmds/stagefright/Android.mk
@@ -7,7 +7,7 @@
 	SineSource.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libstagefright libmedia libutils libbinder libstagefright_foundation \
+	libstagefright libmedia libmedia_native libutils libbinder libstagefright_foundation \
         libskia libgui
 
 LOCAL_C_INCLUDES:= \
@@ -108,7 +108,7 @@
 
 LOCAL_SHARED_LIBRARIES := \
 	libstagefright liblog libutils libbinder libgui \
-        libstagefright_foundation libmedia
+        libstagefright_foundation libmedia libmedia_native
 
 LOCAL_C_INCLUDES:= \
 	$(JNI_H_INCLUDE) \
@@ -132,7 +132,7 @@
 
 LOCAL_SHARED_LIBRARIES := \
 	libstagefright liblog libutils libbinder libstagefright_foundation \
-        libmedia libgui libcutils libui
+        libmedia libmedia_native libgui libcutils libui
 
 LOCAL_C_INCLUDES:= \
 	$(JNI_H_INCLUDE) \
@@ -157,7 +157,7 @@
 
 LOCAL_SHARED_LIBRARIES := \
 	libstagefright liblog libutils libbinder libstagefright_foundation \
-        libmedia libgui libcutils libui
+        libmedia libmedia_native libgui libcutils libui
 
 LOCAL_C_INCLUDES:= \
 	$(JNI_H_INCLUDE) \
diff --git a/cmds/stagefright/SimplePlayer.cpp b/cmds/stagefright/SimplePlayer.cpp
index fac3a8c..0cfeb3e 100644
--- a/cmds/stagefright/SimplePlayer.cpp
+++ b/cmds/stagefright/SimplePlayer.cpp
@@ -583,8 +583,7 @@
                 AUDIO_STREAM_MUSIC,
                 sampleRate,
                 AUDIO_FORMAT_PCM_16_BIT,
-                (channelCount == 1)
-                    ? AUDIO_CHANNEL_OUT_MONO : AUDIO_CHANNEL_OUT_STEREO,
+                audio_channel_out_mask_from_count(channelCount),
                 0);
 
         state->mNumFramesWritten = 0;
diff --git a/cmds/stagefright/audioloop.cpp b/cmds/stagefright/audioloop.cpp
index a6362a4..ed7d6cb 100644
--- a/cmds/stagefright/audioloop.cpp
+++ b/cmds/stagefright/audioloop.cpp
@@ -32,9 +32,7 @@
     sp<MediaSource> source = new AudioSource(
             AUDIO_SOURCE_DEFAULT,
             kSampleRate,
-            kNumChannels == 1
-                ? AUDIO_CHANNEL_IN_MONO
-                : AUDIO_CHANNEL_IN_STEREO);
+            audio_channel_in_mask_from_count(kNumChannels));
 #endif
 
     sp<MetaData> meta = new MetaData;
diff --git a/include/media/stagefright/MetaData.h b/include/media/stagefright/MetaData.h
index 8b4b8ed..00b8679 100644
--- a/include/media/stagefright/MetaData.h
+++ b/include/media/stagefright/MetaData.h
@@ -70,6 +70,8 @@
     kKeyThumbnailTime     = 'thbT',  // int64_t (usecs)
     kKeyTrackID           = 'trID',
     kKeyIsDRM             = 'idrm',  // int32_t (bool)
+    kKeyEncoderDelay      = 'encd',  // int32_t (frames)
+    kKeyEncoderPadding    = 'encp',  // int32_t (frames)
 
     kKeyAlbum             = 'albu',  // cstring
     kKeyArtist            = 'arti',  // cstring
diff --git a/media/libaah_rtp/Android.mk b/media/libaah_rtp/Android.mk
index 1e87cf0..6c927ba 100644
--- a/media/libaah_rtp/Android.mk
+++ b/media/libaah_rtp/Android.mk
@@ -29,6 +29,7 @@
     libcommon_time_client \
     libbinder \
     libmedia \
+    libmedia_native \
     libstagefright \
     libstagefright_foundation \
     libutils
@@ -37,4 +38,3 @@
     -lpthread
 
 include $(BUILD_SHARED_LIBRARY)
-
diff --git a/media/libaah_rtp/aah_decoder_pump.cpp b/media/libaah_rtp/aah_decoder_pump.cpp
index 28b8c7b..bebba54 100644
--- a/media/libaah_rtp/aah_decoder_pump.cpp
+++ b/media/libaah_rtp/aah_decoder_pump.cpp
@@ -105,9 +105,8 @@
                 AudioTrack::getMinFrameCount(&frameCount,
                         AUDIO_STREAM_DEFAULT,
                         static_cast<int>(format_sample_rate_));
-                int ch_format = (format_channels_ == 1)
-                    ? AUDIO_CHANNEL_OUT_MONO
-                    : AUDIO_CHANNEL_OUT_STEREO;
+                audio_channel_mask_t ch_format =
+                        audio_channel_out_mask_from_count(format_channels_);
 
                 res = renderer_->set(AUDIO_STREAM_DEFAULT,
                         format_sample_rate_,
diff --git a/media/libaah_rtp/aah_decoder_pump.h b/media/libaah_rtp/aah_decoder_pump.h
index f5a6529..4d57e49 100644
--- a/media/libaah_rtp/aah_decoder_pump.h
+++ b/media/libaah_rtp/aah_decoder_pump.h
@@ -75,7 +75,7 @@
     void stopAndCleanupRenderer();
 
     sp<MetaData>        format_;
-    int32_t             format_channels_;
+    int32_t             format_channels_;   // channel count, not channel mask
     int32_t             format_sample_rate_;
 
     sp<MediaSource>     decoder_;
diff --git a/media/libeffects/preprocessing/PreProcessing.cpp b/media/libeffects/preprocessing/PreProcessing.cpp
index dc27d38..1d76f62 100755
--- a/media/libeffects/preprocessing/PreProcessing.cpp
+++ b/media/libeffects/preprocessing/PreProcessing.cpp
@@ -956,10 +956,9 @@
     memset(config, 0, sizeof(effect_config_t));
     config->inputCfg.samplingRate = config->outputCfg.samplingRate = session->samplingRate;
     config->inputCfg.format = config->outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
-    config->inputCfg.channels = session->inChannelCount == 1 ?
-                                    AUDIO_CHANNEL_IN_MONO : AUDIO_CHANNEL_IN_STEREO;
-    config->outputCfg.channels = session->outChannelCount == 1 ?
-                                    AUDIO_CHANNEL_IN_MONO : AUDIO_CHANNEL_IN_STEREO;
+    config->inputCfg.channels = audio_channel_in_mask_from_count(session->inChannelCount);
+    // "out" doesn't mean output device, so this is the correct API to convert channel count to mask
+    config->outputCfg.channels = audio_channel_in_mask_from_count(session->outChannelCount);
     config->inputCfg.mask = config->outputCfg.mask =
             (EFFECT_CONFIG_SMP_RATE | EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT);
 }
@@ -999,7 +998,7 @@
     config->inputCfg.samplingRate = config->outputCfg.samplingRate = session->samplingRate;
     config->inputCfg.format = config->outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
     config->inputCfg.channels = config->outputCfg.channels =
-            session->revChannelCount == 1 ? AUDIO_CHANNEL_IN_MONO : AUDIO_CHANNEL_IN_STEREO;
+            audio_channel_in_mask_from_count(session->revChannelCount);
     config->inputCfg.mask = config->outputCfg.mask =
             (EFFECT_CONFIG_SMP_RATE | EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT);
 }
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index 8b009aa..21e8f29 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -48,7 +48,7 @@
 LOCAL_SHARED_LIBRARIES := \
 	libui libcutils libutils libbinder libsonivox libicuuc libexpat \
         libcamera_client libstagefright_foundation \
-        libgui libdl libaudioutils
+        libgui libdl libaudioutils libmedia_native
 
 LOCAL_WHOLE_STATIC_LIBRARY := libmedia_helper
 
diff --git a/media/libmedia/JetPlayer.cpp b/media/libmedia/JetPlayer.cpp
index 312a493..f1f62f7 100644
--- a/media/libmedia/JetPlayer.cpp
+++ b/media/libmedia/JetPlayer.cpp
@@ -92,7 +92,7 @@
     mAudioTrack->set(AUDIO_STREAM_MUSIC,  //TODO parametrize this
             pLibConfig->sampleRate,
             AUDIO_FORMAT_PCM_16_BIT,
-            (pLibConfig->numChannels == 2) ? AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO,
+            audio_channel_out_mask_from_count(pLibConfig->numChannels),
             mTrackBufferSize,
             AUDIO_POLICY_OUTPUT_FLAG_NONE);
 
diff --git a/media/libmediaplayerservice/Android.mk b/media/libmediaplayerservice/Android.mk
index 41bcab0..ba5c776 100644
--- a/media/libmediaplayerservice/Android.mk
+++ b/media/libmediaplayerservice/Android.mk
@@ -23,6 +23,7 @@
 	libvorbisidec         			\
 	libsonivox            			\
 	libmedia              			\
+	libmedia_native       			\
 	libcamera_client      			\
 	libandroid_runtime    			\
 	libstagefright        			\
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 1cc120c..8f62ee4 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -1514,7 +1514,7 @@
     frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate;
 
     if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
-        channelMask = audio_channel_mask_from_count(channelCount);
+        channelMask = audio_channel_out_mask_from_count(channelCount);
         if (0 == channelMask) {
             ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount);
             return NO_INIT;
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index 047b4cb..77714f3 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -79,6 +79,7 @@
         libicuuc \
         liblog \
         libmedia \
+        libmedia_native \
         libsonivox \
         libssl \
         libstagefright_omx \
diff --git a/media/libstagefright/AudioPlayer.cpp b/media/libstagefright/AudioPlayer.cpp
index 9db3c97..0f816e7 100644
--- a/media/libstagefright/AudioPlayer.cpp
+++ b/media/libstagefright/AudioPlayer.cpp
@@ -144,7 +144,7 @@
     } else {
         // playing to an AudioTrack, set up mask if necessary
         audio_channel_mask_t audioMask = channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER ?
-                audio_channel_mask_from_count(numChannels) : channelMask;
+                audio_channel_out_mask_from_count(numChannels) : channelMask;
         if (0 == audioMask) {
             return BAD_VALUE;
         }
diff --git a/media/libstagefright/AudioSource.cpp b/media/libstagefright/AudioSource.cpp
index cbe709b..0f1d841 100644
--- a/media/libstagefright/AudioSource.cpp
+++ b/media/libstagefright/AudioSource.cpp
@@ -47,22 +47,22 @@
 }
 
 AudioSource::AudioSource(
-        audio_source_t inputSource, uint32_t sampleRate, uint32_t channels)
+        audio_source_t inputSource, uint32_t sampleRate, uint32_t channelCount)
     : mStarted(false),
       mSampleRate(sampleRate),
       mPrevSampleTimeUs(0),
       mNumFramesReceived(0),
       mNumClientOwnedBuffers(0) {
 
-    ALOGV("sampleRate: %d, channels: %d", sampleRate, channels);
-    CHECK(channels == 1 || channels == 2);
+    ALOGV("sampleRate: %d, channelCount: %d", sampleRate, channelCount);
+    CHECK(channelCount == 1 || channelCount == 2);
     AudioRecord::record_flags flags = (AudioRecord::record_flags)
                     (AudioRecord::RECORD_AGC_ENABLE |
                      AudioRecord::RECORD_NS_ENABLE  |
                      AudioRecord::RECORD_IIR_ENABLE);
     mRecord = new AudioRecord(
                 inputSource, sampleRate, AUDIO_FORMAT_PCM_16_BIT,
-                channels > 1? AUDIO_CHANNEL_IN_STEREO: AUDIO_CHANNEL_IN_MONO,
+                audio_channel_in_mask_from_count(channelCount),
                 4 * kMaxBufferSize / sizeof(int16_t), /* Enable ping-pong buffers */
                 flags,
                 AudioRecordCallbackFunction,
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index 0d67800..fd3f892 100755
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -515,9 +515,13 @@
         return err;
     }
 
-    // This CHECK is good, since we just passed the lock/unlock
-    // check earlier by calling mCamera->setParameters().
-    CHECK_EQ((status_t)OK, mCamera->setPreviewDisplay(mSurface));
+    // Set the preview display. Skip this if mSurface is null because
+    // applications may already set a surface to the camera.
+    if (mSurface != NULL) {
+        // This CHECK is good, since we just passed the lock/unlock
+        // check earlier by calling mCamera->setParameters().
+        CHECK_EQ((status_t)OK, mCamera->setPreviewDisplay(mSurface));
+    }
 
     // By default, do not store metadata in video buffers
     mIsMetaDataStoredInVideoBuffers = false;
diff --git a/media/libstagefright/MP3Extractor.cpp b/media/libstagefright/MP3Extractor.cpp
index 69209b5..6abaf23 100644
--- a/media/libstagefright/MP3Extractor.cpp
+++ b/media/libstagefright/MP3Extractor.cpp
@@ -311,10 +311,18 @@
     mMeta->setInt32(kKeyBitRate, bitrate * 1000);
     mMeta->setInt32(kKeyChannelCount, num_channels);
 
-    mSeeker = XINGSeeker::CreateFromSource(mDataSource, mFirstFramePos);
+    sp<XINGSeeker> seeker = XINGSeeker::CreateFromSource(mDataSource, mFirstFramePos);
 
-    if (mSeeker == NULL) {
+    if (seeker == NULL) {
         mSeeker = VBRISeeker::CreateFromSource(mDataSource, post_id3_pos);
+    } else {
+        mSeeker = seeker;
+        int encd = seeker->getEncoderDelay();
+        int encp = seeker->getEncoderPadding();
+        if (encd != 0 || encp != 0) {
+            mMeta->setInt32(kKeyEncoderDelay, encd);
+            mMeta->setInt32(kKeyEncoderPadding, encp);
+        }
     }
 
     if (mSeeker != NULL) {
@@ -340,6 +348,37 @@
     }
 
     mInitCheck = OK;
+
+    // get iTunes-style gapless info if present
+    ID3 id3(mDataSource);
+    if (id3.isValid()) {
+        ID3::Iterator *com = new ID3::Iterator(id3, "COM");
+        if (com->done()) {
+            delete com;
+            com = new ID3::Iterator(id3, "COMM");
+        }
+        while(!com->done()) {
+            String8 commentdesc;
+            String8 commentvalue;
+            com->getString(&commentdesc, &commentvalue);
+            const char * desc = commentdesc.string();
+            const char * value = commentvalue.string();
+
+            // first 3 characters are the language, which we don't care about
+            if(strlen(desc) > 3 && strcmp(desc + 3, "iTunSMPB") == 0) {
+
+                int32_t delay, padding;
+                if (sscanf(value, " %*x %x %x %*x", &delay, &padding) == 2) {
+                    mMeta->setInt32(kKeyEncoderDelay, delay);
+                    mMeta->setInt32(kKeyEncoderPadding, padding);
+                }
+                break;
+            }
+            com->next();
+        }
+        delete com;
+        com = NULL;
+    }
 }
 
 size_t MP3Extractor::countTracks() {
diff --git a/media/libstagefright/XINGSeeker.cpp b/media/libstagefright/XINGSeeker.cpp
index 8c99c76..9c91134 100644
--- a/media/libstagefright/XINGSeeker.cpp
+++ b/media/libstagefright/XINGSeeker.cpp
@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "XINGSEEKER"
+#include <utils/Log.h>
+
 #include "include/XINGSeeker.h"
 #include "include/avc_utils.h"
 
@@ -24,7 +27,9 @@
 
 XINGSeeker::XINGSeeker()
     : mDurationUs(-1),
-      mSizeBytes(0) {
+      mSizeBytes(0),
+      mEncoderDelay(0),
+      mEncoderPadding(0) {
 }
 
 bool XINGSeeker::getDuration(int64_t *durationUs) {
@@ -76,8 +81,6 @@
 
     seeker->mFirstFramePos = first_frame_pos;
 
-    ALOGI("xingseeker first frame pos: %lld", first_frame_pos);
-
     seeker->mSizeBytes = 0;
     seeker->mTOCValid = false;
     seeker->mDurationUs = 0;
@@ -111,6 +114,8 @@
         else offset += 9;
     }
 
+    int xingbase = offset;
+
     if (source->readAt(offset, &buffer, 4) < 4) { // XING header ID
         return NULL;
     }
@@ -161,10 +166,31 @@
         // do something with the quality indicator
         offset += 4;
     }
+
+    if (source->readAt(xingbase + 0xaf - 0x24, &buffer, 1) < 1) { // encoding flags
+        return false;
+    }
+
+    ALOGV("nogap preceding: %s, nogap continued in next: %s",
+              (buffer[0] & 0x80) ? "true" : "false",
+              (buffer[0] & 0x40) ? "true" : "false");
 #endif
 
+    if (source->readAt(xingbase + 0xb1 - 0x24, &buffer, 3) == 3) {
+        seeker->mEncoderDelay = (buffer[0] << 4) + (buffer[1] >> 4);
+        seeker->mEncoderPadding = ((buffer[1] & 0xf) << 8) + buffer[2];
+    }
+
     return seeker;
 }
 
+int32_t XINGSeeker::getEncoderDelay() {
+    return mEncoderDelay;
+}
+
+int32_t XINGSeeker::getEncoderPadding() {
+    return mEncoderPadding;
+}
+
 }  // namespace android
 
diff --git a/media/libstagefright/id3/ID3.cpp b/media/libstagefright/id3/ID3.cpp
index 2e92926..ca14054 100644
--- a/media/libstagefright/id3/ID3.cpp
+++ b/media/libstagefright/id3/ID3.cpp
@@ -463,40 +463,65 @@
     tmp = NULL;
 }
 
-void ID3::Iterator::getString(String8 *id) const {
+// the 2nd argument is used to get the data following the \0 in a comment field
+void ID3::Iterator::getString(String8 *id, String8 *comment) const {
+    getstring(id, false);
+    if (comment != NULL) {
+        getstring(comment, true);
+    }
+}
+
+// comment fields (COM/COMM) contain an initial short descriptor, followed by \0,
+// followed by more data. The data following the \0 can be retrieved by setting
+// "otherdata" to true.
+void ID3::Iterator::getstring(String8 *id, bool otherdata) const {
     id->setTo("");
 
-    if (mFrameData == NULL) {
+    const uint8_t *frameData = mFrameData;
+    if (frameData == NULL) {
         return;
     }
 
+    uint8_t encoding = *frameData;
+
     if (mParent.mVersion == ID3_V1 || mParent.mVersion == ID3_V1_1) {
         if (mOffset == 126 || mOffset == 127) {
             // Special treatment for the track number and genre.
             char tmp[16];
-            sprintf(tmp, "%d", (int)*mFrameData);
+            sprintf(tmp, "%d", (int)*frameData);
 
             id->setTo(tmp);
             return;
         }
 
-        convertISO8859ToString8(mFrameData, mFrameSize, id);
+        convertISO8859ToString8(frameData, mFrameSize, id);
         return;
     }
 
     size_t n = mFrameSize - getHeaderLength() - 1;
+    if (otherdata) {
+        // skip past the encoding, language, and the 0 separator
+        frameData += 4;
+        int32_t i = n - 4;
+        while(--i >= 0 && *++frameData != 0) ;
+        int skipped = (frameData - mFrameData);
+        if (skipped >= n) {
+            return;
+        }
+        n -= skipped;
+    }
 
-    if (*mFrameData == 0x00) {
+    if (encoding == 0x00) {
         // ISO 8859-1
-        convertISO8859ToString8(mFrameData + 1, n, id);
-    } else if (*mFrameData == 0x03) {
+        convertISO8859ToString8(frameData + 1, n, id);
+    } else if (encoding == 0x03) {
         // UTF-8
-        id->setTo((const char *)(mFrameData + 1), n);
-    } else if (*mFrameData == 0x02) {
+        id->setTo((const char *)(frameData + 1), n);
+    } else if (encoding == 0x02) {
         // UTF-16 BE, no byte order mark.
         // API wants number of characters, not number of bytes...
         int len = n / 2;
-        const char16_t *framedata = (const char16_t *) (mFrameData + 1);
+        const char16_t *framedata = (const char16_t *) (frameData + 1);
         char16_t *framedatacopy = NULL;
 #if BYTE_ORDER == LITTLE_ENDIAN
         framedatacopy = new char16_t[len];
@@ -513,7 +538,7 @@
         // UCS-2
         // API wants number of characters, not number of bytes...
         int len = n / 2;
-        const char16_t *framedata = (const char16_t *) (mFrameData + 1);
+        const char16_t *framedata = (const char16_t *) (frameData + 1);
         char16_t *framedatacopy = NULL;
         if (*framedata == 0xfffe) {
             // endianness marker doesn't match host endianness, convert
diff --git a/media/libstagefright/include/ID3.h b/media/libstagefright/include/ID3.h
index 98c82a4..8714008 100644
--- a/media/libstagefright/include/ID3.h
+++ b/media/libstagefright/include/ID3.h
@@ -50,7 +50,7 @@
 
         bool done() const;
         void getID(String8 *id) const;
-        void getString(String8 *s) const;
+        void getString(String8 *s, String8 *ss = NULL) const;
         const uint8_t *getData(size_t *length) const;
         void next();
 
@@ -65,6 +65,7 @@
         void findFrame();
 
         size_t getHeaderLength() const;
+        void getstring(String8 *s, bool secondhalf) const;
 
         Iterator(const Iterator &);
         Iterator &operator=(const Iterator &);
diff --git a/media/libstagefright/include/XINGSeeker.h b/media/libstagefright/include/XINGSeeker.h
index 8510979..c408576 100644
--- a/media/libstagefright/include/XINGSeeker.h
+++ b/media/libstagefright/include/XINGSeeker.h
@@ -31,10 +31,15 @@
     virtual bool getDuration(int64_t *durationUs);
     virtual bool getOffsetForTime(int64_t *timeUs, off64_t *pos);
 
+    virtual int32_t getEncoderDelay();
+    virtual int32_t getEncoderPadding();
+
 private:
     int64_t mFirstFramePos;
     int64_t mDurationUs;
     int32_t mSizeBytes;
+    int32_t mEncoderDelay;
+    int32_t mEncoderPadding;
 
     // TOC entries in XING header. Skip the first one since it's always 0.
     unsigned char mTOC[99];
diff --git a/media/libstagefright/timedtext/TimedText3GPPSource.cpp b/media/libstagefright/timedtext/TimedText3GPPSource.cpp
index c423ef0..4854121 100644
--- a/media/libstagefright/timedtext/TimedText3GPPSource.cpp
+++ b/media/libstagefright/timedtext/TimedText3GPPSource.cpp
@@ -39,19 +39,21 @@
 }
 
 status_t TimedText3GPPSource::read(
-        int64_t *timeUs, Parcel *parcel, const MediaSource::ReadOptions *options) {
+        int64_t *startTimeUs, int64_t *endTimeUs, Parcel *parcel,
+        const MediaSource::ReadOptions *options) {
     MediaBuffer *textBuffer = NULL;
     status_t err = mSource->read(&textBuffer, options);
     if (err != OK) {
         return err;
     }
     CHECK(textBuffer != NULL);
-    textBuffer->meta_data()->findInt64(kKeyTime, timeUs);
-    // TODO: this is legacy code. when 'timeUs' can be <= 0?
-    if (*timeUs > 0) {
-        extractAndAppendLocalDescriptions(*timeUs, textBuffer, parcel);
-    }
+    textBuffer->meta_data()->findInt64(kKeyTime, startTimeUs);
+    CHECK_GE(*startTimeUs, 0);
+    extractAndAppendLocalDescriptions(*startTimeUs, textBuffer, parcel);
     textBuffer->release();
+    // endTimeUs is a dummy parameter for 3gpp timed text format.
+    // Set a negative value to it to mark it is unavailable.
+    *endTimeUs = -1;
     return OK;
 }
 
diff --git a/media/libstagefright/timedtext/TimedText3GPPSource.h b/media/libstagefright/timedtext/TimedText3GPPSource.h
index 4ec3d8a..4170940 100644
--- a/media/libstagefright/timedtext/TimedText3GPPSource.h
+++ b/media/libstagefright/timedtext/TimedText3GPPSource.h
@@ -33,7 +33,8 @@
     virtual status_t start() { return mSource->start(); }
     virtual status_t stop() { return mSource->stop(); }
     virtual status_t read(
-            int64_t *timeUs,
+            int64_t *startTimeUs,
+            int64_t *endTimeUs,
             Parcel *parcel,
             const MediaSource::ReadOptions *options = NULL);
     virtual status_t extractGlobalDescriptions(Parcel *parcel);
diff --git a/media/libstagefright/timedtext/TimedTextPlayer.cpp b/media/libstagefright/timedtext/TimedTextPlayer.cpp
index 8717914..917c62a 100644
--- a/media/libstagefright/timedtext/TimedTextPlayer.cpp
+++ b/media/libstagefright/timedtext/TimedTextPlayer.cpp
@@ -31,6 +31,7 @@
 namespace android {
 
 static const int64_t kAdjustmentProcessingTimeUs = 100000ll;
+static const int64_t kWaitTimeUsToRetryRead = 100000ll;
 
 TimedTextPlayer::TimedTextPlayer(const wp<MediaPlayerBase> &listener)
     : mListener(listener),
@@ -139,13 +140,25 @@
 }
 
 void TimedTextPlayer::doRead(MediaSource::ReadOptions* options) {
-    int64_t timeUs = 0;
+    int64_t startTimeUs = 0;
+    int64_t endTimeUs = 0;
     sp<ParcelEvent> parcelEvent = new ParcelEvent();
-    status_t err = mSource->read(&timeUs, &(parcelEvent->parcel), options);
-    if (err != OK) {
+    status_t err = mSource->read(&startTimeUs, &endTimeUs,
+                                 &(parcelEvent->parcel), options);
+    if (err == WOULD_BLOCK) {
+        postTextEventDelayUs(NULL, kWaitTimeUsToRetryRead);
+        return;
+    } else if (err != OK) {
         notifyError(err);
-    } else {
-        postTextEvent(parcelEvent, timeUs);
+        return;
+    }
+
+    postTextEvent(parcelEvent, startTimeUs);
+    if (endTimeUs > 0) {
+        CHECK_GE(endTimeUs, startTimeUs);
+        // send an empty timed text to clear the subtitle when it reaches to the
+        // end time.
+        postTextEvent(NULL, endTimeUs);
     }
 }
 
@@ -162,6 +175,13 @@
         } else {
             delayUs = timeUs - positionUs - kAdjustmentProcessingTimeUs;
         }
+        postTextEventDelayUs(parcel, delayUs);
+    }
+}
+
+void TimedTextPlayer::postTextEventDelayUs(const sp<ParcelEvent>& parcel, int64_t delayUs) {
+    sp<MediaPlayerBase> listener = mListener.promote();
+    if (listener != NULL) {
         sp<AMessage> msg = new AMessage(kWhatSendSubtitle, id());
         msg->setInt32("generation", mSendSubtitleGeneration);
         if (parcel != NULL) {
diff --git a/media/libstagefright/timedtext/TimedTextPlayer.h b/media/libstagefright/timedtext/TimedTextPlayer.h
index b869f18..47aff03 100644
--- a/media/libstagefright/timedtext/TimedTextPlayer.h
+++ b/media/libstagefright/timedtext/TimedTextPlayer.h
@@ -67,6 +67,7 @@
     void doRead(MediaSource::ReadOptions* options = NULL);
     void onTextEvent();
     void postTextEvent(const sp<ParcelEvent>& parcel = NULL, int64_t timeUs = -1);
+    void postTextEventDelayUs(const sp<ParcelEvent>& parcel = NULL, int64_t delayUs = -1);
     void notifyError(int error = 0);
     void notifyListener(const Parcel *parcel = NULL);
 
diff --git a/media/libstagefright/timedtext/TimedTextSRTSource.cpp b/media/libstagefright/timedtext/TimedTextSRTSource.cpp
index c44a99b..7b1f7f6 100644
--- a/media/libstagefright/timedtext/TimedTextSRTSource.cpp
+++ b/media/libstagefright/timedtext/TimedTextSRTSource.cpp
@@ -19,6 +19,7 @@
 #include <utils/Log.h>
 
 #include <binder/Parcel.h>
+#include <media/stagefright/foundation/ADebug.h>  // for CHECK_xx
 #include <media/stagefright/foundation/AString.h>
 #include <media/stagefright/DataSource.h>
 #include <media/stagefright/MediaDefs.h>  // for MEDIA_MIMETYPE_xxx
@@ -63,19 +64,18 @@
 }
 
 status_t TimedTextSRTSource::read(
-        int64_t *timeUs,
+        int64_t *startTimeUs,
+        int64_t *endTimeUs,
         Parcel *parcel,
         const MediaSource::ReadOptions *options) {
-    int64_t endTimeUs;
     AString text;
-    status_t err = getText(options, &text, timeUs, &endTimeUs);
+    status_t err = getText(options, &text, startTimeUs, endTimeUs);
     if (err != OK) {
         return err;
     }
 
-    if (*timeUs > 0) {
-        extractAndAppendLocalDescriptions(*timeUs, text, parcel);
-    }
+    CHECK_GE(*startTimeUs, 0);
+    extractAndAppendLocalDescriptions(*startTimeUs, text, parcel);
     return OK;
 }
 
diff --git a/media/libstagefright/timedtext/TimedTextSRTSource.h b/media/libstagefright/timedtext/TimedTextSRTSource.h
index 62710a0..e1371b8 100644
--- a/media/libstagefright/timedtext/TimedTextSRTSource.h
+++ b/media/libstagefright/timedtext/TimedTextSRTSource.h
@@ -36,7 +36,8 @@
     virtual status_t start();
     virtual status_t stop();
     virtual status_t read(
-            int64_t *timeUs,
+            int64_t *startTimeUs,
+            int64_t *endTimeUs,
             Parcel *parcel,
             const MediaSource::ReadOptions *options = NULL);
     virtual sp<MetaData> getFormat();
diff --git a/media/libstagefright/timedtext/TimedTextSource.h b/media/libstagefright/timedtext/TimedTextSource.h
index 9349342..756cc31 100644
--- a/media/libstagefright/timedtext/TimedTextSource.h
+++ b/media/libstagefright/timedtext/TimedTextSource.h
@@ -43,7 +43,8 @@
   virtual status_t stop() = 0;
   // Returns subtitle parcel and its start time.
   virtual status_t read(
-          int64_t *timeUs,
+          int64_t *startTimeUs,
+          int64_t *endTimeUs,
           Parcel *parcel,
           const MediaSource::ReadOptions *options = NULL) = 0;
   virtual status_t extractGlobalDescriptions(Parcel *parcel) {
diff --git a/services/audioflinger/Android.mk b/services/audioflinger/Android.mk
index 5164213..257f62c 100644
--- a/services/audioflinger/Android.mk
+++ b/services/audioflinger/Android.mk
@@ -15,6 +15,7 @@
     $(call include-path-for, audio-effects) \
     $(call include-path-for, audio-utils)
 
+# FIXME keep libmedia_native but remove libmedia after split
 LOCAL_SHARED_LIBRARIES := \
     libaudioutils \
     libcommon_time_client \
@@ -22,6 +23,7 @@
     libutils \
     libbinder \
     libmedia \
+    libmedia_native \
     libhardware \
     libhardware_legacy \
     libeffects \
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 86bb7f9..1dd9a38 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -894,7 +894,8 @@
             // indicate output device change to all input threads for pre processing
             AudioParameter param = AudioParameter(keyValuePairs);
             int value;
-            if (param.getInt(String8(AudioParameter::keyRouting), value) == NO_ERROR) {
+            if ((param.getInt(String8(AudioParameter::keyRouting), value) == NO_ERROR) &&
+                    (value != 0)) {
                 for (size_t i = 0; i < mRecordThreads.size(); i++) {
                     mRecordThreads.valueAt(i)->setParameters(keyValuePairs);
                 }
@@ -3793,16 +3794,9 @@
     if (!client->reserveTimedTrack())
         return NULL;
 
-    sp<TimedTrack> track = new TimedTrack(
+    return new TimedTrack(
         thread, client, streamType, sampleRate, format, channelMask, frameCount,
         sharedBuffer, sessionId);
-
-    if (track == NULL) {
-        client->releaseTimedTrack();
-        return NULL;
-    }
-
-    return track;
 }
 
 AudioFlinger::PlaybackThread::TimedTrack::TimedTrack(
diff --git a/services/camera/libcameraservice/Android.mk b/services/camera/libcameraservice/Android.mk
index e35435e..3cae1f5 100644
--- a/services/camera/libcameraservice/Android.mk
+++ b/services/camera/libcameraservice/Android.mk
@@ -15,6 +15,7 @@
     libbinder \
     libcutils \
     libmedia \
+    libmedia_native \
     libcamera_client \
     libgui \
     libhardware