diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index f4d0acd..4f2517c 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -314,11 +314,12 @@
 
     status_t handleSetSurface(const sp<Surface> &surface);
     status_t setupNativeWindowSizeFormatAndUsage(
-            ANativeWindow *nativeWindow /* nonnull */, int *finalUsage /* nonnull */);
+            ANativeWindow *nativeWindow /* nonnull */, int *finalUsage /* nonnull */,
+            bool reconnect);
 
     status_t configureOutputBuffersFromNativeWindow(
             OMX_U32 *nBufferCount, OMX_U32 *nBufferSize,
-            OMX_U32 *nMinUndequeuedBuffers);
+            OMX_U32 *nMinUndequeuedBuffers, bool preregister);
     status_t allocateOutputMetadataBuffers();
     status_t submitOutputMetadataBuffer();
     void signalSubmitOutputMetadataBufferIfEOS_workaround();
diff --git a/include/media/stagefright/SurfaceUtils.h b/include/media/stagefright/SurfaceUtils.h
index c1a9c0a..13d580c 100644
--- a/include/media/stagefright/SurfaceUtils.h
+++ b/include/media/stagefright/SurfaceUtils.h
@@ -24,9 +24,14 @@
 
 namespace android {
 
+/**
+ * Configures |nativeWindow| for given |width|x|height|, pixel |format|, |rotation| and |usage|.
+ * If |reconnect| is true, reconnects to the native window before hand.
+ * @return first error encountered, or NO_ERROR on success.
+ */
 status_t setNativeWindowSizeFormatAndUsage(
         ANativeWindow *nativeWindow /* nonnull */,
-        int width, int height, int format, int rotation, int usage);
+        int width, int height, int format, int rotation, int usage, bool reconnect);
 status_t pushBlankBuffersToNativeWindow(ANativeWindow *nativeWindow /* nonnull */);
 
 } // namespace android
diff --git a/media/libmedia/ToneGenerator.cpp b/media/libmedia/ToneGenerator.cpp
index 411519d..34445e0 100644
--- a/media/libmedia/ToneGenerator.cpp
+++ b/media/libmedia/ToneGenerator.cpp
@@ -831,14 +831,15 @@
     mProcessSize = (mSamplingRate * 20) / 1000;
 
     char value[PROPERTY_VALUE_MAX];
-    property_get("gsm.operator.iso-country", value, "");
-    if (strcmp(value,"us") == 0 ||
-        strcmp(value,"ca") == 0) {
+    if (property_get("gsm.operator.iso-country", value, "") == 0) {
+        property_get("gsm.sim.operator.iso-country", value, "");
+    }
+    if (strstr(value, "us") != NULL ||
+        strstr(value, "ca") != NULL) {
         mRegion = ANSI;
-    } else if (strcmp(value,"jp") == 0) {
+    } else if (strstr(value, "jp") != NULL) {
         mRegion = JAPAN;
-    } else if (strcmp(value,"uk") == 0 ||
-               strcmp(value,"uk,uk") == 0) {
+    } else if (strstr(value, "uk") != NULL) {
         mRegion = UK;
     } else {
         mRegion = CEPT;
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 97ba76b..32c4b8a 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -820,6 +820,9 @@
             break;
     }
 
+    ALOGV("Recording frameRate: %d captureFps: %f",
+            mFrameRate, mCaptureFps);
+
     return status;
 }
 
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index cbc28e3..d97d5b1 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -674,7 +674,10 @@
     }
 
     int usageBits = 0;
-    status_t err = setupNativeWindowSizeFormatAndUsage(nativeWindow, &usageBits);
+    // no need to reconnect as we will not dequeue all buffers
+    status_t err = setupNativeWindowSizeFormatAndUsage(
+            nativeWindow, &usageBits,
+            !storingMetadataInDecodedBuffers() || mLegacyAdaptiveExperiment /* reconnect */);
     if (err != OK) {
         return err;
     }
@@ -948,7 +951,8 @@
 }
 
 status_t ACodec::setupNativeWindowSizeFormatAndUsage(
-        ANativeWindow *nativeWindow /* nonnull */, int *finalUsage /* nonnull */) {
+        ANativeWindow *nativeWindow /* nonnull */, int *finalUsage /* nonnull */,
+        bool reconnect) {
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
     def.nPortIndex = kPortIndexOutput;
@@ -986,12 +990,14 @@
             def.format.video.nFrameHeight,
             def.format.video.eColorFormat,
             mRotationDegrees,
-            usage);
+            usage,
+            reconnect);
 }
 
 status_t ACodec::configureOutputBuffersFromNativeWindow(
         OMX_U32 *bufferCount, OMX_U32 *bufferSize,
-        OMX_U32 *minUndequeuedBuffers) {
+        OMX_U32 *minUndequeuedBuffers, bool preregister) {
+
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
     def.nPortIndex = kPortIndexOutput;
@@ -1000,7 +1006,8 @@
             mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
 
     if (err == OK) {
-        err = setupNativeWindowSizeFormatAndUsage(mNativeWindow.get(), &mNativeWindowUsageBits);
+        err = setupNativeWindowSizeFormatAndUsage(
+                mNativeWindow.get(), &mNativeWindowUsageBits, preregister /* reconnect */);
     }
     if (err != OK) {
         mNativeWindowUsageBits = 0;
@@ -1082,7 +1089,7 @@
 status_t ACodec::allocateOutputBuffersFromNativeWindow() {
     OMX_U32 bufferCount, bufferSize, minUndequeuedBuffers;
     status_t err = configureOutputBuffersFromNativeWindow(
-            &bufferCount, &bufferSize, &minUndequeuedBuffers);
+            &bufferCount, &bufferSize, &minUndequeuedBuffers, true /* preregister */);
     if (err != 0)
         return err;
     mNumUndequeuedBuffers = minUndequeuedBuffers;
@@ -1168,7 +1175,8 @@
 status_t ACodec::allocateOutputMetadataBuffers() {
     OMX_U32 bufferCount, bufferSize, minUndequeuedBuffers;
     status_t err = configureOutputBuffersFromNativeWindow(
-            &bufferCount, &bufferSize, &minUndequeuedBuffers);
+            &bufferCount, &bufferSize, &minUndequeuedBuffers,
+            mLegacyAdaptiveExperiment /* preregister */);
     if (err != 0)
         return err;
     mNumUndequeuedBuffers = minUndequeuedBuffers;
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index e8cd58a..ff5c4d4 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -1791,9 +1791,8 @@
                         err = BAD_VALUE;
                     } else {
                         err = connectToSurface(surface);
-                        if (err == BAD_VALUE) {
-                            // assuming reconnecting to same surface
-                            // TODO: check if it is the same surface
+                        if (err == ALREADY_EXISTS) {
+                            // reconnecting to same surface
                             err = OK;
                         } else {
                             if (err == OK) {
@@ -2683,11 +2682,17 @@
 status_t MediaCodec::connectToSurface(const sp<Surface> &surface) {
     status_t err = OK;
     if (surface != NULL) {
+        uint64_t oldId, newId;
+        if (mSurface != NULL
+                && surface->getUniqueId(&newId) == NO_ERROR
+                && mSurface->getUniqueId(&oldId) == NO_ERROR
+                && newId == oldId) {
+            ALOGI("[%s] connecting to the same surface. Nothing to do.", mComponentName.c_str());
+            return ALREADY_EXISTS;
+        }
+
         err = native_window_api_connect(surface.get(), NATIVE_WINDOW_API_MEDIA);
-        if (err == BAD_VALUE) {
-            ALOGI("native window already connected. Assuming no change of surface");
-            return err;
-        } else if (err == OK) {
+        if (err == OK) {
             // Require a fresh set of buffers after each connect by using a unique generation
             // number. Rely on the fact that max supported process id by Linux is 2^22.
             // PID is never 0 so we don't have to worry that we use the default generation of 0.
@@ -2709,7 +2714,8 @@
             ALOGE("native_window_api_connect returned an error: %s (%d)", strerror(-err), err);
         }
     }
-    return err;
+    // do not return ALREADY_EXISTS unless surfaces are the same
+    return err == ALREADY_EXISTS ? BAD_VALUE : err;
 }
 
 status_t MediaCodec::disconnectFromSurface() {
diff --git a/media/libstagefright/StagefrightMediaScanner.cpp b/media/libstagefright/StagefrightMediaScanner.cpp
index db33e83..8935f6a 100644
--- a/media/libstagefright/StagefrightMediaScanner.cpp
+++ b/media/libstagefright/StagefrightMediaScanner.cpp
@@ -122,6 +122,7 @@
         { "writer", METADATA_KEY_WRITER },
         { "compilation", METADATA_KEY_COMPILATION },
         { "isdrm", METADATA_KEY_IS_DRM },
+        { "date", METADATA_KEY_DATE },
         { "width", METADATA_KEY_VIDEO_WIDTH },
         { "height", METADATA_KEY_VIDEO_HEIGHT },
     };
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index a62e1a2..377f5fd 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -22,6 +22,7 @@
 #include <utils/Log.h>
 #include <gui/Surface.h>
 
+#include "include/avc_utils.h"
 #include "include/StagefrightMetadataRetriever.h"
 
 #include <media/ICrypto.h>
@@ -237,6 +238,15 @@
     int64_t timeUs;
     size_t retriesLeft = kRetryCount;
     bool done = false;
+    const char *mime;
+    bool success = format->findCString(kKeyMIMEType, &mime);
+    if (!success) {
+        ALOGE("Could not find mime type");
+        return NULL;
+    }
+
+    bool isAvcOrHevc = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)
+            || !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC);
 
     do {
         size_t inputIndex = -1;
@@ -276,6 +286,11 @@
                 memcpy(codecBuffer->data(),
                         (const uint8_t*)mediaBuffer->data() + mediaBuffer->range_offset(),
                         mediaBuffer->range_length());
+                if (isAvcOrHevc && IsIDR(codecBuffer)) {
+                    // Only need to decode one IDR frame.
+                    haveMoreInputs = false;
+                    flags |= MediaCodec::BUFFER_FLAG_EOS;
+                }
             }
 
             mediaBuffer->release();
diff --git a/media/libstagefright/SurfaceUtils.cpp b/media/libstagefright/SurfaceUtils.cpp
index 9940822..568837a 100644
--- a/media/libstagefright/SurfaceUtils.cpp
+++ b/media/libstagefright/SurfaceUtils.cpp
@@ -26,8 +26,25 @@
 
 status_t setNativeWindowSizeFormatAndUsage(
         ANativeWindow *nativeWindow /* nonnull */,
-        int width, int height, int format, int rotation, int usage) {
-    status_t err = native_window_set_buffers_dimensions(nativeWindow, width, height);
+        int width, int height, int format, int rotation, int usage, bool reconnect) {
+    status_t err = NO_ERROR;
+
+    // In some cases we need to reconnect so that we can dequeue all buffers
+    if (reconnect) {
+        err = native_window_api_disconnect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
+        if (err != NO_ERROR) {
+            ALOGE("native_window_api_disconnect failed: %s (%d)", strerror(-err), -err);
+            return err;
+        }
+
+        err = native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_MEDIA);
+        if (err != NO_ERROR) {
+            ALOGE("native_window_api_connect failed: %s (%d)", strerror(-err), -err);
+            return err;
+        }
+    }
+
+    err = native_window_set_buffers_dimensions(nativeWindow, width, height);
     if (err != NO_ERROR) {
         ALOGE("native_window_set_buffers_dimensions failed: %s (%d)", strerror(-err), -err);
         return err;
@@ -124,7 +141,8 @@
     }
 
     err = setNativeWindowSizeFormatAndUsage(
-            nativeWindow, 1, 1, HAL_PIXEL_FORMAT_RGBX_8888, 0, GRALLOC_USAGE_SW_WRITE_OFTEN);
+            nativeWindow, 1, 1, HAL_PIXEL_FORMAT_RGBX_8888, 0, GRALLOC_USAGE_SW_WRITE_OFTEN,
+            false /* reconnect */);
     if (err != NO_ERROR) {
         goto error;
     }
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 995e50e..0c8fd67 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -775,7 +775,9 @@
 int64_t GraphicBufferSource::getTimestamp(const BufferItem &item) {
     int64_t timeUs = item.mTimestamp / 1000;
 
-    if (mTimePerCaptureUs > 0ll) {
+    if (mTimePerCaptureUs > 0ll
+            && (mTimePerCaptureUs > 2 * mTimePerFrameUs
+            || mTimePerFrameUs > 2 * mTimePerCaptureUs)) {
         // Time lapse or slow motion mode
         if (mPrevCaptureUs < 0ll) {
             // first capture
@@ -801,6 +803,8 @@
 
         return mPrevFrameUs;
     } else if (mMaxTimestampGapUs > 0ll) {
+        //TODO: Fix the case when mMaxTimestampGapUs and mTimePerCaptureUs are both set.
+
         /* Cap timestamp gap between adjacent frames to specified max
          *
          * In the scenario of cast mirroring, encoding could be suspended for
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index dfa3cdd..6f827d9 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -1903,14 +1903,14 @@
             // a fast mixer are necessarily hardware
             sp<EffectChain> chain = getEffectChain_l(AUDIO_SESSION_OUTPUT_STAGE);
             if (chain != 0) {
-                ALOGV_IF((flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
+                ALOGV_IF((*flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
                         "AUDIO_OUTPUT_FLAG_RAW denied: post processing effect present");
                 *flags = (audio_output_flags_t)(*flags & ~AUDIO_OUTPUT_FLAG_RAW);
             }
             // Do not accept FAST flag if software global effects are present
             chain = getEffectChain_l(AUDIO_SESSION_OUTPUT_MIX);
             if (chain != 0) {
-                ALOGV_IF((flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
+                ALOGV_IF((*flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
                         "AUDIO_OUTPUT_FLAG_RAW denied: global effect present");
                 *flags = (audio_output_flags_t)(*flags & ~AUDIO_OUTPUT_FLAG_RAW);
                 if (chain->hasSoftwareEffect()) {
@@ -1921,7 +1921,7 @@
             // Do not accept FAST flag if the session has software effects
             chain = getEffectChain_l(sessionId);
             if (chain != 0) {
-                ALOGV_IF((flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
+                ALOGV_IF((*flags & AUDIO_OUTPUT_FLAG_RAW) != 0,
                         "AUDIO_OUTPUT_FLAG_RAW denied: effect present on session");
                 *flags = (audio_output_flags_t)(*flags & ~AUDIO_OUTPUT_FLAG_RAW);
                 if (chain->hasSoftwareEffect()) {
@@ -1930,7 +1930,7 @@
                 }
             }
         }
-        ALOGV_IF((flags & AUDIO_OUTPUT_FLAG_FAST) != 0,
+        ALOGV_IF((*flags & AUDIO_OUTPUT_FLAG_FAST) != 0,
                  "AUDIO_OUTPUT_FLAG_FAST accepted: frameCount=%zu mFrameCount=%zu",
                  frameCount, mFrameCount);
       } else {
@@ -3043,7 +3043,7 @@
                 if (timestamp.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL] >= 0) {
                     kernelLocationUpdate = true;
                 } else {
-                    ALOGV("getTimestamp error - no valid kernel position");
+                    ALOGVV("getTimestamp error - no valid kernel position");
                 }
 
                 // copy over kernel info
@@ -6471,7 +6471,7 @@
           // Do not accept FAST flag if the session has software effects
           sp<EffectChain> chain = getEffectChain_l(sessionId);
           if (chain != 0) {
-              ALOGV_IF((flags & AUDIO_INPUT_FLAG_RAW) != 0,
+              ALOGV_IF((*flags & AUDIO_INPUT_FLAG_RAW) != 0,
                       "AUDIO_INPUT_FLAG_RAW denied: effect present on session");
               *flags = (audio_input_flags_t)(*flags & ~AUDIO_INPUT_FLAG_RAW);
               if (chain->hasSoftwareEffect()) {
@@ -6479,7 +6479,7 @@
                   *flags = (audio_input_flags_t)(*flags & ~AUDIO_INPUT_FLAG_FAST);
               }
           }
-          ALOGV_IF((flags & AUDIO_INPUT_FLAG_FAST) != 0,
+          ALOGV_IF((*flags & AUDIO_INPUT_FLAG_FAST) != 0,
                    "AUDIO_INPUT_FLAG_FAST accepted: frameCount=%zu mFrameCount=%zu",
                    frameCount, mFrameCount);
       } else {
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index c8e64fe..005dd69 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -322,6 +322,9 @@
             p.fastInfo.bestStillCaptureFpsRange[0],
             p.fastInfo.bestStillCaptureFpsRange[1]);
 
+    result.appendFormat("    Use zero shutter lag: %s\n",
+            p.useZeroShutterLag() ? "yes" : "no");
+
     result.append("  Current streams:\n");
     result.appendFormat("    Preview stream ID: %d\n",
             getPreviewStreamId());
@@ -813,7 +816,7 @@
         }
     }
 
-    if (params.zslMode && !params.recordingHint &&
+    if (params.useZeroShutterLag() &&
             getRecordingStreamId() == NO_STREAM) {
         res = updateProcessorStream(mZslProcessor, params);
         if (res != OK) {
@@ -1362,7 +1365,7 @@
 
             return OK;
         }
-        if (l.mParameters.zslMode) {
+        if (l.mParameters.allowZslMode) {
             mZslProcessor->clearZslQueue();
         }
     }
@@ -1460,7 +1463,7 @@
 
         // Clear ZSL buffer queue when Jpeg size is changed.
         bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId;
-        if (l.mParameters.zslMode && jpegStreamChanged) {
+        if (l.mParameters.allowZslMode && jpegStreamChanged) {
             ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed",
                     __FUNCTION__, mCameraId);
             mZslProcessor->clearZslQueue();
@@ -1495,7 +1498,7 @@
     if (res != OK) return res;
     Parameters::focusMode_t focusModeAfter = l.mParameters.focusMode;
 
-    if (l.mParameters.zslMode && focusModeAfter != focusModeBefore) {
+    if (l.mParameters.allowZslMode && focusModeAfter != focusModeBefore) {
         mZslProcessor->clearZslQueue();
     }
 
diff --git a/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp b/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
index e3d6906..05adb29 100644
--- a/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
+++ b/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
@@ -338,7 +338,7 @@
         return DONE;
     }
 
-    else if (l.mParameters.zslMode &&
+    else if (l.mParameters.useZeroShutterLag() &&
             l.mParameters.state == Parameters::STILL_CAPTURE &&
             l.mParameters.flashMode != Parameters::FLASH_MODE_ON) {
         nextState = ZSL_START;
diff --git a/services/camera/libcameraservice/api1/client2/Parameters.cpp b/services/camera/libcameraservice/api1/client2/Parameters.cpp
index 5779176..9d5f33c 100644
--- a/services/camera/libcameraservice/api1/client2/Parameters.cpp
+++ b/services/camera/libcameraservice/api1/client2/Parameters.cpp
@@ -908,12 +908,12 @@
     property_get("camera.disable_zsl_mode", value, "0");
     if (!strcmp(value,"1") || slowJpegMode) {
         ALOGI("Camera %d: Disabling ZSL mode", cameraId);
-        zslMode = false;
+        allowZslMode = false;
     } else {
-        zslMode = true;
+        allowZslMode = true;
     }
 
-    ALOGI("%s: zslMode: %d slowJpegMode %d", __FUNCTION__, zslMode, slowJpegMode);
+    ALOGI("%s: allowZslMode: %d slowJpegMode %d", __FUNCTION__, allowZslMode, slowJpegMode);
 
     state = STOPPED;
 
@@ -1127,6 +1127,8 @@
     ALOGV("Camera %d: Flexible YUV %s supported",
             cameraId, fastInfo.useFlexibleYuv ? "is" : "is not");
 
+    fastInfo.maxJpegSize = getMaxSize(getAvailableJpegSizes());
+
     return OK;
 }
 
@@ -2231,6 +2233,25 @@
     return pictureSizeOverriden;
 }
 
+bool Parameters::useZeroShutterLag() const {
+    // If ZSL mode is disabled, don't use it
+    if (!allowZslMode) return false;
+    // If recording hint is enabled, don't do ZSL
+    if (recordingHint) return false;
+    // If still capture size is no bigger than preview or video size,
+    // don't do ZSL
+    if (pictureWidth <= previewWidth || pictureHeight <= previewHeight ||
+            pictureWidth <= videoWidth || pictureHeight <= videoHeight) {
+        return false;
+    }
+    // If still capture size is less than quarter of max, don't do ZSL
+    if ((pictureWidth * pictureHeight) <
+            (fastInfo.maxJpegSize.width * fastInfo.maxJpegSize.height / 4) ) {
+        return false;
+    }
+    return true;
+}
+
 const char* Parameters::getStateName(State state) {
 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break;
     switch(state) {
diff --git a/services/camera/libcameraservice/api1/client2/Parameters.h b/services/camera/libcameraservice/api1/client2/Parameters.h
index c437722..f4bb34c 100644
--- a/services/camera/libcameraservice/api1/client2/Parameters.h
+++ b/services/camera/libcameraservice/api1/client2/Parameters.h
@@ -161,9 +161,9 @@
     bool previewCallbackOneShot;
     bool previewCallbackSurface;
 
-    bool zslMode;
+    bool allowZslMode;
     // Whether the jpeg stream is slower than 30FPS and can slow down preview.
-    // When slowJpegMode is true, zslMode must be false to avoid slowing down preview.
+    // When slowJpegMode is true, allowZslMode must be false to avoid slowing down preview.
     bool slowJpegMode;
 
     // Overall camera state
@@ -219,6 +219,7 @@
         DefaultKeyedVector<uint8_t, OverrideModes> sceneModeOverrides;
         float minFocalLength;
         bool useFlexibleYuv;
+        Size maxJpegSize;
     } fastInfo;
 
     // Quirks information; these are short-lived flags to enable workarounds for
@@ -271,6 +272,8 @@
     status_t recoverOverriddenJpegSize();
     // if video snapshot size is currently overridden
     bool isJpegSizeOverridden();
+    // whether zero shutter lag should be used for non-recording operation
+    bool useZeroShutterLag() const;
 
     // Calculate the crop region rectangle, either tightly about the preview
     // resolution, or a region just based on the active array; both take
diff --git a/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
index a2c9712..de42fb2 100644
--- a/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
+++ b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
@@ -115,7 +115,7 @@
 
         // Use CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG for ZSL streaming case.
         if (client->getCameraDeviceVersion() >= CAMERA_DEVICE_API_VERSION_3_0) {
-            if (params.zslMode && !params.recordingHint) {
+            if (params.useZeroShutterLag() && !params.recordingHint) {
                 res = device->createDefaultRequest(CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG,
                         &mPreviewRequest);
             } else {
diff --git a/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp b/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
index 4824974..cb39244 100644
--- a/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
+++ b/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
@@ -124,6 +124,7 @@
     switch (mState) {
         case STATE_IN_RECONFIG:
         case STATE_CONFIGURED:
+        case STATE_ABANDONED:
             // OK
             break;
         default:
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
index 3aff684..299435a 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
@@ -653,9 +653,9 @@
         *buffer = 0;
         ALOGW("%s: the released buffer has already been freed by the buffer queue!", __FUNCTION__);
     } else if (res != OK) {
-        // Other errors are fatal.
+        // Treat other errors as abandonment
         ALOGE("%s: detach next buffer failed: %s (%d).", __FUNCTION__, strerror(-res), res);
-        mState = STATE_ERROR;
+        mState = STATE_ABANDONED;
         return res;
     }