Accept parameter "jpeg-thumbnail-quality" to specify thumbnail quality.

libcamera2/QualcommCameraHardware.cpp

@@ -87,6 +87,7 @@ bool  (*LINK_jpeg_encoder_encode)(const cam_ctrl_dimension_t *dimen,
                                   const uint8_t *snapshotbuf, int snapshotfd);
 int  (*LINK_camframe_terminate)(void);
 int8_t (*LINK_jpeg_encoder_setMainImageQuality)(uint32_t quality);
+int8_t (*LINK_jpeg_encoder_setThumbnailQuality)(uint32_t quality);
 // callbacks
 void  (**LINK_mmcamera_camframe_callback)(struct msm_frame *frame);
 void  (**LINK_mmcamera_jpegfragment_callback)(uint8_t *buff_ptr,
@@ -100,6 +101,7 @@ void  (**LINK_mmcamera_jpeg_callback)(jpeg_event_t status);
 #define LINK_jpeg_encoder_encode jpeg_encoder_encode
 #define LINK_camframe_terminate camframe_terminate
 #define LINK_jpeg_encoder_setMainImageQuality jpeg_encoder_setMainImageQuality
+#define LINK_jpeg_encoder_setThumbnailQuality jpeg_encoder_setThumbnailQuality
 extern void (*mmcamera_camframe_callback)(struct msm_frame *frame);
 extern void (*mmcamera_jpegfragment_callback)(uint8_t *buff_ptr,
                                       uint32_t buff_size);
@@ -340,7 +342,7 @@ void QualcommCameraHardware::initDefaultParameters()
 
     p.set("jpeg-thumbnail-width", THUMBNAIL_WIDTH_STR); // informative
     p.set("jpeg-thumbnail-height", THUMBNAIL_HEIGHT_STR); // informative
-  //p.set("jpeg-thumbnail-quality", "90"); // FIXME: hook up through mm-camera
+    p.set("jpeg-thumbnail-quality", "90");
     p.setPictureSize(mDimension.picture_width, mDimension.picture_height);
 
 #if 0
@@ -416,6 +418,9 @@ void QualcommCameraHardware::startCamera()
     *(void**)&LINK_jpeg_encoder_setMainImageQuality =
         ::dlsym(libmmcamera, "jpeg_encoder_setMainImageQuality");
 
+    *(void**)&LINK_jpeg_encoder_setThumbnailQuality =
+        ::dlsym(libmmcamera, "jpeg_encoder_setThumbnailQuality");
+
     *(void **)&LINK_cam_conf =
         ::dlsym(libmmcamera, "cam_conf");
 #else
@@ -773,6 +778,16 @@ bool QualcommCameraHardware::native_jpeg_encode (
         }
     }
 
+    int thumbnail_quality = mParameters.getInt("jpeg-thumbnail-quality");
+    if (thumbnail_quality >= 0) {
+        LOGV("native_jpeg_encode, current jpeg thumbnail quality =%d",
+             thumbnail_quality);
+        if(!LINK_jpeg_encoder_setThumbnailQuality(thumbnail_quality)) {
+            LOGE("native_jpeg_encode set failed");
+            return false;
+        }
+    }
+
     if (!LINK_jpeg_encoder_encode(&mDimension,
                                   thumbnail_buf, thumb_fd,
                                   main_img_buf, snap_fd)) {