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00020 #ifndef __MXCPC_NAMESPACE_H__
00021 #define __MXCPC_NAMESPACE_H__
00022
00023
00024
00025 class mxcpcStatusMessageHandler;
00026
00027
00028
00029
00030
00031
00032
00033
00034 namespace mxcpc {
00035
00036 typedef unsigned char u8;
00037 typedef short s16;
00038 typedef unsigned int u32;
00039
00040 extern mxcpcStatusMessageHandler *StatusMessageHandler;
00041
00042
00043 extern const char *Base64EncodeTable;
00044
00045
00046 extern int FrameRatePresetNum;
00047 extern char *FrameRatePresetNames[];
00048 extern float FrameRatePresets[];
00049
00050
00051 const char *getVersionString(void);
00052
00053
00054 inline void clamp_s16(s16 *numba, s16 min, s16 max) {
00055 if(*numba < min) *numba = min;
00056 if(*numba > max) *numba = max;
00057 }
00058
00059 inline void clamp_int(int *numba, int min, int max) {
00060 if(*numba < min) *numba = min;
00061 if(*numba > max) *numba = max;
00062 }
00063
00064
00065 inline void convert_endian_u32(mxcpc::u32 *numba_ptr) {
00066 mxcpc::u32 source_val;
00067 mxcpc::u8 *source_byte_ptr,
00068 *target_byte_ptr;
00069
00070 source_val = *numba_ptr;
00071 source_byte_ptr = (mxcpc::u8 *)&source_val;
00072 target_byte_ptr = (mxcpc::u8 *)numba_ptr;
00073
00074 target_byte_ptr[0] = source_byte_ptr[3];
00075 target_byte_ptr[1] = source_byte_ptr[2];
00076 target_byte_ptr[2] = source_byte_ptr[1];
00077 target_byte_ptr[3] = source_byte_ptr[0];
00078 }
00079
00080
00081 inline void convert_RGB_to_YUV(mxcpc::u8 r, mxcpc::u8 g, mxcpc::u8 b,
00082 mxcpc::u8 *y, mxcpc::u8 *u, mxcpc::u8 *v) {
00083
00084 int int_r, int_g, int_b;
00085 int int_y, int_u, int_v;
00086
00087 int_r = (int)r;
00088 int_g = (int)g;
00089 int_b = (int)b;
00090
00091
00092 int_y = (( 263*int_r + 516*int_g + 100*int_b) >> 10) + 16;
00093 int_u = ((-152*int_r - 298*int_g + 450*int_b) >> 10) + 128;
00094 int_v = (( 450*int_r - 377*int_g - 73*int_b) >> 10) + 128;
00095
00096 mxcpc::clamp_int(&int_y, 0, 255);
00097 mxcpc::clamp_int(&int_u, 0, 255);
00098 mxcpc::clamp_int(&int_v, 0, 255);
00099
00100 *y = (mxcpc::u8)int_y;
00101 *u = (mxcpc::u8)int_u;
00102 *v = (mxcpc::u8)int_v;
00103 }
00104
00105
00106 inline void convert_RGB_to_YCbCr(mxcpc::u8 r, mxcpc::u8 g, mxcpc::u8 b,
00107 mxcpc::u8 *y, mxcpc::u8 *Cb, mxcpc::u8 *Cr) {
00108
00109 int int_r, int_g, int_b;
00110 int int_y, int_Cb, int_Cr;
00111
00112 int_r = (int)r;
00113 int_g = (int)g;
00114 int_b = (int)b;
00115
00116
00117 int_y = (( 306*int_r + 601*int_g + 117*int_b) >> 10);
00118 int_Cb = ((-173*int_r - 339*int_g + 512*int_b) >> 10) + 128;
00119 int_Cr = (( 512*int_r - 429*int_g - 83*int_b) >> 10) + 128;
00120
00121 mxcpc::clamp_int(&int_y, 0, 255);
00122 mxcpc::clamp_int(&int_Cb, 0, 255);
00123 mxcpc::clamp_int(&int_Cr, 0, 255);
00124
00125 *y = (mxcpc::u8)int_y;
00126 *Cb = (mxcpc::u8)int_Cb;
00127 *Cr = (mxcpc::u8)int_Cr;
00128 }
00129
00130
00131 void encode_base64_block(unsigned char in[3],
00132 unsigned char out[4],
00133 int len);
00134
00135
00136 void encode_base64(unsigned char *data, int byte_num,
00137 unsigned char *target_buffer);
00138
00139
00140
00141
00142
00143
00144 void sendStatusMsg(const char *txt, void *class_ptr = 0);
00145
00146
00147
00148
00149
00150
00151
00152
00153
00154
00155
00156
00157
00158
00159
00160
00161
00162
00163 void setStatusMessageHandler(mxcpcStatusMessageHandler *handler);
00164 };
00165
00166
00167
00168 #endif // __MXCPC_NAMESPACE_H__
00169