1 files changed, 72 insertions, 0 deletions
diff --git a/liboverlay/v4l2_utils.h b/liboverlay/v4l2_utils.h
new file mode 100644
index 0000000..e85b65a
--- /dev/null
+++ b/liboverlay/v4l2_utils.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2009 Google Inc. All Rights Reserved.
+ * Author: rschultz@google.com (Rebecca Schultz Zavin)
+ */
+
+#ifndef ANDROID_ZOOM_REPO_HARDWARE_SEC_LIBOVERLAY_V4L2_UTILS_H_
+#define ANDROID_ZOOM_REPO_HARDWARE_SEC_LIBOVERLAY_V4L2_UTILS_H_
+
+#include "s5p_fimc.h"
+
+int v4l2_overlay_open(int id);
+int v4l2_overlay_get_caps(int fd, struct v4l2_capability *caps);
+int v4l2_overlay_req_buf(int fd, uint32_t *num_bufs, int cacheable_buffers);
+int v4l2_overlay_query_buffer(int fd, int index, struct v4l2_buffer *buf);
+int v4l2_overlay_map_buf(int fd, int index, void **start, size_t *len);
+int v4l2_overlay_unmap_buf(void *start, size_t len);
+int v4l2_overlay_stream_on(int fd);
+int v4l2_overlay_stream_off(int fd);
+int v4l2_overlay_q_buf(int fd, int index, int zerocopy);
+int v4l2_overlay_dq_buf(int fd, int *index, int zerocopy);
+int v4l2_overlay_init(int fd, uint32_t w, uint32_t h, uint32_t fmt,
+                      uint32_t addr);
+int v4l2_overlay_get_input_size(int fd, uint32_t *w, uint32_t *h,
+                                uint32_t *fmt);
+int v4l2_overlay_set_position(int fd, int32_t x, int32_t y, int32_t w,
+        int32_t h, int rotation);
+int v4l2_overlay_get_position(int fd, int32_t *x, int32_t *y, int32_t *w,
+        int32_t *h);
+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_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);
+int v4l2_overlay_set_local_alpha(int fd, int enable);
+int v4l2_overlay_init_fimc(int fd, s5p_fimc_t *s5p_fimc);
+int v4l2_overlay_s_fbuf(int fd, int rotation);
+
+enum {
+    V4L2_OVERLAY_PLANE_GRAPHICS,
+    V4L2_OVERLAY_PLANE_VIDEO1,
+    V4L2_OVERLAY_PLANE_VIDEO2,
+};
+
+
+enum {
+    OVERLAY_FORMAT_YCbCr_420_SP = 0x21,
+};
+
+enum {
+    /* support customed format for zero copy */
+    HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x21,
+    HAL_PIXEL_FORMAT_YCbCr_420_P = 0x13,
+
+    HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP = 0x100,
+    HAL_PIXEL_FORMAT_CUSTOM_YCbCr_422_I = 0x101,
+    HAL_PIXEL_FORMAT_CUSTOM_CbYCrY_422_I = 0x102,
+    HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP = 0x103,
+
+};
+
+struct mapping_data {
+    int fd;
+    size_t length;
+    uint32_t offset;
+    void *ptr;
+};
+
+#define ALL_BUFFERS_FLUSHED -66
+
+#endif  /* ANDROID_ZOOM_REPO_HARDWARE_SEC_LIBOVERLAY_V4L2_UTILS_H_*/