1 files changed, 70 insertions, 0 deletions
diff --git a/vpx_scale/yv12config.h b/vpx_scale/yv12config.h
new file mode 100644
index 000000000..a8d0ce45b
--- /dev/null
+++ b/vpx_scale/yv12config.h
@@ -0,0 +1,70 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+#ifndef YV12_CONFIG_H
+#define YV12_CONFIG_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define VP7BORDERINPIXELS       48
+#define VP8BORDERINPIXELS       32
+
+    /*************************************
+     For INT_YUV:
+
+     Y = (R+G*2+B)/4;
+     U = (R-B)/2;
+     V =  (G*2 - R - B)/4;
+    And
+     R = Y+U-V;
+     G = Y+V;
+     B = Y-U-V;
+    ************************************/
+    typedef enum
+    {
+        REG_YUV = 0,    // Regular yuv
+        INT_YUV = 1     // The type of yuv that can be tranfer to and from RGB through integer transform
+              }
+              YUV_TYPE;
+
+    typedef struct
+    {
+        int   y_width;
+        int   y_height;
+        int   y_stride;
+//    int   yinternal_width;
+
+        int   uv_width;
+        int   uv_height;
+        int   uv_stride;
+//    int   uvinternal_width;
+
+        unsigned char *y_buffer;
+        unsigned char *u_buffer;
+        unsigned char *v_buffer;
+
+        unsigned char *buffer_alloc;
+        int border;
+        int frame_size;
+        YUV_TYPE clrtype;
+    } YV12_BUFFER_CONFIG;
+
+    int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border);
+    int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+    int vp8_yv12_black_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif //YV12_CONFIG_H