S5PC11X: OVERLAY: Add H-FLIP and V-FLIP options

bug:3059865
pid:3374

Change-Id: I3a73d814a16ac2afa00ba56d6361a813042643be
Signed-off-by: hoony.yu <hoony.yu@samsung.com>

3 files changed, 73 insertions, 1 deletions

diff --git a/liboverlay/overlay.cpp b/liboverlay/overlay.cpp
index 033b1d4..2a3e8db 100644
--- a/liboverlay/overlay.cpp
+++ b/liboverlay/overlay.cpp
@@ -67,6 +67,7 @@ typedef struct
     uint32_t posW;
     uint32_t posH;
     uint32_t rotation;
+    uint32_t flip;
 
     uint32_t posX_org;
     uint32_t posY_org;
@@ -587,6 +588,11 @@ static overlay_t* overlay_createOverlay(struct overlay_control_device_t *dev,
         goto error1;
     }
 
+    if (v4l2_overlay_set_flip(fd, 0)) {
+        LOGE("Failed defaulting flip\n");
+        goto error1;
+    }
+
     if (v4l2_overlay_set_rotation(fd, 0, 0)) {
         LOGE("Failed defaulting rotation\n");
         goto error1;
@@ -774,16 +780,37 @@ static int overlay_setParameter(struct overlay_control_device_t *dev,
         {
         case 0:
             stage->rotation = 0;
+            stage->flip = 0;
             break;
         case OVERLAY_TRANSFORM_ROT_90:
             stage->rotation = 90;
+            stage->flip = 0;
             break;
         case OVERLAY_TRANSFORM_ROT_180:
             stage->rotation = 180;
+            stage->flip = 0;
             break;
         case OVERLAY_TRANSFORM_ROT_270:
             stage->rotation = 270;
+            stage->flip = 0;
+            break;
+        case OVERLAY_TRANSFORM_FLIP_H:
+            stage->rotation = 0;
+            stage->flip = V4L2_CID_HFLIP;
+            break;
+        case OVERLAY_TRANSFORM_FLIP_V:
+            stage->rotation = 0;
+            stage->flip = V4L2_CID_VFLIP;
+            break;
+        case OVERLAY_TRANSFORM_ROT_90+OVERLAY_TRANSFORM_FLIP_H:
+            stage->rotation = 90;
+            stage->flip = V4L2_CID_HFLIP;
             break;
+        case OVERLAY_TRANSFORM_ROT_90+OVERLAY_TRANSFORM_FLIP_V:
+            stage->rotation = 90;
+            stage->flip = V4L2_CID_VFLIP;
+            break;
+
         default:
             rc = -EINVAL;
             break;
@@ -847,7 +874,8 @@ static int overlay_commit(struct overlay_control_device_t *dev,
 
     if (data->posX == stage->posX && data->posY == stage->posY &&
             data->posW == stage->posW && data->posH == stage->posH &&
-            data->rotation == stage->rotation) {
+            data->rotation == stage->rotation &&
+            data->flip == stage->flip) {
         LOGI("Nothing to do!\n");
         goto end;
     }
@@ -861,6 +889,14 @@ static int overlay_commit(struct overlay_control_device_t *dev,
     if ((ret = disable_streaming_locked(shared, fd)))
         goto end;
 
+    if (stage->flip != data->flip) {
+        ret = v4l2_overlay_set_flip(fd, stage->flip);
+        if (ret) {
+            LOGE("Set Flip Failed!/%d\n", ret);
+            goto end;
+        }
+    }
+
     if (stage->rotation != data->rotation) {
         ret = v4l2_overlay_set_rotation(fd, stage->rotation, 0);
         if (ret) {
@@ -882,6 +918,7 @@ static int overlay_commit(struct overlay_control_device_t *dev,
     data->posW = stage->posW;
     data->posH = stage->posH;
     data->rotation = stage->rotation;
+    data->flip = stage->flip;
 
     ret = enable_streaming_locked(shared, fd);
 
diff --git a/liboverlay/v4l2_utils.c b/liboverlay/v4l2_utils.c
index a300742..5c4457b 100644
--- a/liboverlay/v4l2_utils.c
+++ b/liboverlay/v4l2_utils.c
@@ -455,6 +455,40 @@ int v4l2_overlay_get_crop(int fd, uint32_t *x, uint32_t *y, uint32_t *w,
     return ret;
 }
 
+int v4l2_overlay_set_flip(int fd, int flip)
+{
+    LOG_FUNCTION_NAME
+
+    int ret;
+    struct v4l2_control ctrl_v;
+    struct v4l2_control ctrl_h;
+
+    switch (flip) {
+    case 0:
+        ctrl_v.value = 0;
+        ctrl_h.value = 0;
+        break;
+    case V4L2_CID_HFLIP:
+        ctrl_v.value = 0;
+        ctrl_h.value = 1;
+        break;
+    case V4L2_CID_VFLIP:
+        ctrl_v.value = 1;
+        ctrl_h.value = 0;
+        break;
+    default:
+        return -1;
+    }
+
+    ctrl_v.id = V4L2_CID_VFLIP;
+    ret = v4l2_overlay_ioctl(fd, VIDIOC_S_CTRL, &ctrl_v, "set vflip");
+    if (ret) return ret;
+
+    ctrl_h.id = V4L2_CID_HFLIP;
+    ret = v4l2_overlay_ioctl(fd, VIDIOC_S_CTRL, &ctrl_h, "set hflip");
+    return ret;
+}
+
 int v4l2_overlay_set_rotation(int fd, int degree, int step)
 {
     LOG_FUNCTION_NAME
diff --git a/liboverlay/v4l2_utils.h b/liboverlay/v4l2_utils.h
index b582a8b..42bb211 100644
--- a/liboverlay/v4l2_utils.h
+++ b/liboverlay/v4l2_utils.h
@@ -31,6 +31,7 @@ int v4l2_overlay_set_crop(int fd, uint32_t x, uint32_t y, uint32_t w,
         uint32_t h);
 int v4l2_overlay_get_crop(int fd, uint32_t *x, uint32_t *y, uint32_t *w,
         uint32_t *h);
+int v4l2_overlay_set_flip(int fd, int degree);
 int v4l2_overlay_set_rotation(int fd, int degree, int step);
 int v4l2_overlay_set_colorkey(int fd, int enable, int colorkey);
 int v4l2_overlay_set_global_alpha(int fd, int enable, int alpha);