1 files changed, 16 insertions, 1 deletions
diff --git a/camera2/extensions/stub/src/main/java/androidx/camera/extensions/impl/ProcessResultImpl.java b/camera2/extensions/stub/src/main/java/androidx/camera/extensions/impl/ProcessResultImpl.java
index d0e3605d..0e154450 100644
--- a/camera2/extensions/stub/src/main/java/androidx/camera/extensions/impl/ProcessResultImpl.java
+++ b/camera2/extensions/stub/src/main/java/androidx/camera/extensions/impl/ProcessResultImpl.java
@@ -25,7 +25,6 @@ import java.util.List;
 /**
  * Allows clients to receive information about the capture result values of processed frames.
  *
- * @since 1.3
  */
 @SuppressLint("UnknownNullness")
 public interface ProcessResultImpl {
@@ -40,6 +39,22 @@ public interface ProcessResultImpl {
      *                             must also be passed as part of this callback. Both Camera2 and
      *                             CameraX guarantee that those two settings and results are always
      *                             supported and applied by the corresponding framework.
+     * @since 1.3
      */
     void onCaptureCompleted(long shutterTimestamp, List<Pair<CaptureResult.Key, Object>> result);
+
+    /**
+     * Capture progress callback that needs to be called when the process capture is
+     * ongoing and includes the estimated progress of the processing.
+     *
+     * <p>Extensions must ensure that they always call this callback with monotonically increasing
+     * values.</p>
+     *
+     * <p>Extensions are allowed to trigger this callback multiple times but at the minimum the
+     * callback is expected to be called once when processing is done with value 100.</p>
+     *
+     * @param progress             Value between 0 and 100.
+     * @since 1.4
+     */
+    void onCaptureProcessProgressed(int progress);
 }