Camera2: Adds support for longshot/burst mode

- The longshot/burst pipeline mode uses an
  optimized path for triggering 'takePicture()'
  on each shutter callback. This should improve
  the shot-2-shot time. In addition to this
  there is also support for jpeg callbacks
  that only contain a jpeg file path. The
  callback in this case will only move the
  file stored by the lower layers in the
  correct directory.
- The longshot burst pipeline can be enabled
  via this property:
  "persist.camera.longshot.enable"<-"0/1"
- This change will allow longshot mode to
  be triggered in non-zsl mode as well.
(Cherry picked from: I693366a7d06d3b386a8d96f86ee9a0574749c50b)
(Cherry picked from: Id630b2033f18d1c04a636597e910e695a8692ac8)

Change-Id: Idda8d58fc6d889128c1812c9c5ddadca3993c246

1 files changed, 8 insertions, 2 deletions

diff --git a/src/com/android/camera/Storage.java b/src/com/android/camera/Storage.java
index 00bd8d1c4..49435e4c0 100644
--- a/src/com/android/camera/Storage.java
+++ b/src/com/android/camera/Storage.java
@@ -82,6 +82,12 @@ public class Storage {
     public static Uri addImage(ContentResolver resolver, String title,
             long date, Location location, int orientation, ExifInterface exif,
             byte[] jpeg, int width, int height, String pictureFormat) {
+        int jpegLength = 0;
+
+        if (jpeg != null) {
+            jpegLength = jpeg.length;
+        }
+
         // Save the image.
         String path = generateFilepath(title, pictureFormat);
         if (exif != null && (pictureFormat == null ||
@@ -91,7 +97,7 @@ public class Storage {
             } catch (Exception e) {
                 Log.e(TAG, "Failed to write data", e);
             }
-        } else {
+        } else if (jpeg != null) {
             if (!(pictureFormat.equalsIgnoreCase("jpeg") || pictureFormat == null)) {
                  File dir = new File(RAW_DIRECTORY);
                  dir.mkdirs();
@@ -99,7 +105,7 @@ public class Storage {
             writeFile(path, jpeg);
         }
         return addImage(resolver, title, date, location, orientation,
-                jpeg.length, path, width, height, pictureFormat);
+                jpegLength, path, width, height, pictureFormat);
     }
 
     // Add the image to media store.