1 /*
2  * Copyright (C) Texas Instruments - http://www.ti.com/
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef NV12_RESIZE_H_
18 #define NV12_RESIZE_H_
19 
20 #include "Common.h"
21 
22 typedef unsigned char  mmBool;
23 typedef unsigned char  mmUchar;
24 typedef unsigned char  mmUint8;
25 typedef unsigned char  mmByte;
26 typedef unsigned short mmUint16;
27 typedef unsigned int   mmUint32;
28 typedef unsigned long  mmUint64;
29 typedef signed char    mmInt8;
30 typedef char           mmChar;
31 typedef signed short   mmInt16;
32 typedef signed int     mmInt32;
33 typedef signed long    mmLong;
34 typedef signed int     mmHandle;
35 typedef float          mmFloat;
36 typedef double         mmDouble;
37 typedef int            HObj;
38 typedef HObj           HFile;
39 typedef int            HDir;
40 typedef void*          mmMutexHandle;
41 typedef struct _fstat {
42     mmInt32 fileSize;
43 } VE_FileAttribute;
44 
45 typedef struct {
46     mmInt32 second;
47     mmInt32 millisecond;
48 } tsVE_Time;
49 
50 typedef struct {
51     mmInt32 year;
52     mmInt32 month;
53     mmInt32 day;
54     mmInt32 hour;
55     mmInt32 minute;
56     mmInt32 second;
57 } TmDateTime;
58 
59 const mmUint8 bWeights[8][8][4] = {
60   {{64, 0, 0, 0}, {56, 0, 0, 8}, {48, 0, 0,16}, {40, 0, 0,24},
61    {32, 0, 0,32}, {24, 0, 0,40}, {16, 0, 0,48}, { 8, 0, 0,56}},
62 
63   {{56, 8, 0, 0}, {49, 7, 1, 7}, {42, 6, 2,14}, {35, 5, 3,21},
64    {28, 4, 4,28}, {21, 3, 5,35}, {14, 2, 6,42}, { 7, 1, 7,49}},
65 
66   {{48,16, 0, 0}, {42,14, 2, 6}, {36,12,4 ,12}, {30,10,6 ,18},
67    {24, 8, 8,24}, {18, 6,10,30}, {12,4 ,12,36}, { 6, 2,14,42}},
68 
69   {{40,24,0 ,0 }, {35,21, 3, 5}, {30,18, 6,10}, {25,15, 9,15},
70    {20,12,12,20}, {15, 9,15,25}, {10, 6,18,30}, { 5, 3,21,35}},
71 
72   {{32,32, 0,0 }, {28,28, 4, 4}, {24,24, 8, 8}, {20,20,12,12},
73    {16,16,16,16}, {12,12,20,20}, { 8, 8,24,24}, { 4, 4,28,28}},
74 
75   {{24,40,0 ,0 }, {21,35, 5, 3}, {18,30,10, 6}, {15,25,15, 9},
76    {12,20,20,12}, { 9,15,25,15}, { 6,10,30,18}, { 3, 5,35,21}},
77 
78   {{16,48, 0,0 }, {14,42, 6, 2}, {12,36,12, 4}, {10,30,18, 6},
79    {8 ,24,24,8 }, { 6,18,30,10}, { 4,12,36,12}, { 2, 6,42,14}},
80 
81   {{ 8,56, 0,0 }, { 7,49, 7, 1}, { 6,42,14, 2}, { 5,35,21, 3},
82    { 4,28,28,4 }, { 3,21,35, 5}, { 2,14,42, 6}, { 1,7 ,49, 7}}
83 };
84 
85 typedef enum {
86     IC_FORMAT_NONE,
87     IC_FORMAT_RGB565,
88     IC_FORMAT_RGB888,
89     IC_FORMAT_YCbCr420_lp,
90     IC_FORMAT_YCbCr,
91     IC_FORMAT_YCbCr420_FRAME_PK,
92     IC_FORMAT_MAX
93 } enumImageFormat;
94 
95 /* This structure defines the format of an image */
96 typedef struct {
97     mmInt32                       uWidth;
98     mmInt32                       uHeight;
99     mmInt32                       uStride;
100     enumImageFormat               eFormat;
101     mmByte                        *imgPtr;
102     mmByte                        *clrPtr;
103     mmInt32                       uOffset;
104 } structConvImage;
105 
106 typedef struct IC_crop_struct {
107     mmUint32 x;             /* x pos of rectangle                              */
108     mmUint32 y;             /* y pos of rectangle                              */
109     mmUint32 uWidth;        /* dx of rectangle                                 */
110     mmUint32 uHeight;       /* dy of rectangle                                 */
111 } IC_rect_type;
112 
113 /*==========================================================================
114 * Function Name  : VT_resizeFrame_Video_opt2_lp
115 *
116 * Description    : Resize a yuv frame.
117 *
118 * Input(s)       : input_img_ptr        -> Input Image Structure
119 *                : output_img_ptr       -> Output Image Structure
120 *                : cropout             -> crop structure
121 *
122 * Value Returned : mmBool               -> FALSE on error TRUE on success
123 * NOTE:
124 *            Not tested for crop funtionallity.
125 *            faster version.
126 ============================================================================*/
127 mmBool
128 VT_resizeFrame_Video_opt2_lp(
129         structConvImage* i_img_ptr,        /* Points to the input image           */
130         structConvImage* o_img_ptr,        /* Points to the output image          */
131         IC_rect_type*  cropout,          /* how much to resize to in final image */
132         mmUint16 dummy                         /* Transparent pixel value              */
133         );
134 
135 #endif //#define NV12_RESIZE_H_
136