From 40cdc56efa47580d89a93750cefecb8ccbaf9a72 Mon Sep 17 00:00:00 2001 From: Wu-cheng Li Date: Tue, 2 Aug 2011 13:20:36 +0800 Subject: [PATCH] Add camera recording hint parameter. The API is still hidden. bug:4266229 Change-Id: I5e4c24e9e2808582aecb55ac4f1d5be3ed7e36a2 --- camera/CameraParameters.cpp | 1 + include/camera/CameraParameters.h | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp index d8fef09f04..251615d5f0 100644 --- a/camera/CameraParameters.cpp +++ b/camera/CameraParameters.cpp @@ -86,6 +86,7 @@ const char CameraParameters::KEY_SUPPORTED_VIDEO_SIZES[] = "video-size-values"; const char CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[] = "preferred-preview-size-for-video"; const char CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW[] = "max-num-detected-faces-hw"; const char CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW[] = "max-num-detected-faces-sw"; +const char CameraParameters::KEY_RECORDING_HINT[] = "recording-hint"; const char CameraParameters::TRUE[] = "true"; const char CameraParameters::FALSE[] = "false"; diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h index d2f398add5..48483fda54 100644 --- a/include/camera/CameraParameters.h +++ b/include/camera/CameraParameters.h @@ -484,6 +484,17 @@ public: // Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read only. static const char KEY_VIDEO_FRAME_FORMAT[]; + // Sets the hint of the recording mode. If this is true, MediaRecorder.start + // may be faster or has less glitches. This should be called before starting + // the preview for the best result. But it is allowed to change the hint + // while the preview is active. The default value is false. + // + // The apps can still call Camera.takePicture when the hint is true. The + // apps can call MediaRecorder.start when the hint is false. But the + // performance may be worse. + // Example value: "true" or "false". Read/write. + static const char KEY_RECORDING_HINT[]; + // Value for KEY_ZOOM_SUPPORTED or KEY_SMOOTH_ZOOM_SUPPORTED. static const char TRUE[]; static const char FALSE[]; -- 2.11.0