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#define MODE_INTER4V 2 |
#define MODE_INTER4V 2 |
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#define MODE_INTRA 3 |
#define MODE_INTRA 3 |
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#define MODE_INTRA_Q 4 |
#define MODE_INTRA_Q 4 |
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#define MODE_STUFFING 7 |
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#define MODE_NOT_CODED 16 |
#define MODE_NOT_CODED 16 |
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/* --- bframe specific --- */ |
/* --- bframe specific --- */ |
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#define MODE_BACKWARD 2 |
#define MODE_BACKWARD 2 |
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#define MODE_FORWARD 3 |
#define MODE_FORWARD 3 |
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#define MODE_DIRECT_NONE_MV 4 |
#define MODE_DIRECT_NONE_MV 4 |
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#define MODE_DIRECT_NO4V 5 |
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26 |
typedef struct |
typedef struct |
43 |
{ |
{ |
44 |
// decoder/encoder |
// decoder/encoder |
45 |
VECTOR mvs[4]; |
VECTOR mvs[4]; |
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uint32_t sad8[4]; // SAD values for inter4v-VECTORs |
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uint32_t sad16; // SAD value for inter-VECTOR |
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short int pred_values[6][MBPRED_SIZE]; |
short int pred_values[6][MBPRED_SIZE]; |
48 |
int acpred_directions[6]; |
int acpred_directions[6]; |
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58 |
// encoder specific |
// encoder specific |
59 |
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60 |
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VECTOR mv16; |
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VECTOR pmvs[4]; |
VECTOR pmvs[4]; |
62 |
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VECTOR qmvs[4]; // mvs in quarter pixel resolution |
63 |
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64 |
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int32_t sad8[4]; // SAD values for inter4v-VECTORs |
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int32_t sad16; // SAD value for inter-VECTOR |
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int dquant; |
int dquant; |
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int cbp; |
int cbp; |
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// bframe stuff |
// bframe stuff |
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VECTOR b_mvs[4]; |
VECTOR b_mvs[4]; |
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VECTOR b_pmvs[4]; |
VECTOR b_qmvs[4]; |
74 |
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// VECTOR b_pmvs[1]; |
75 |
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76 |
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// bframe direct mode |
77 |
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78 |
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// VECTOR directmv[4]; |
79 |
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// VECTOR deltamv; |
80 |
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81 |
int mb_type; |
int mb_type; |
82 |
int dbquant; |
int dbquant; |
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} MACROBLOCK; |
// stuff for block based ME (needed for Qpel ME) |
85 |
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// backup of last integer ME vectors/sad |
86 |
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87 |
static __inline int8_t get_dc_scaler(int32_t quant, uint32_t lum) |
// VECTOR i_mv16; |
88 |
{ |
VECTOR i_mvs[4]; |
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int8_t dc_scaler; |
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89 |
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90 |
if(quant > 0 && quant < 5) { |
int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
91 |
dc_scaler = 8; |
// int32_t i_sad16; // SAD value for inter-VECTOR |
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return dc_scaler; |
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} |
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92 |
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if(quant < 25 && !lum) { |
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dc_scaler = (quant + 13) >> 1; |
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return dc_scaler; |
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} |
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93 |
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if(quant < 9) { |
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dc_scaler = quant << 1; |
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return dc_scaler; |
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94 |
} |
} |
95 |
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MACROBLOCK; |
96 |
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97 |
if(quant < 25) { |
static __inline int8_t |
98 |
dc_scaler = quant + 8; |
get_dc_scaler(uint32_t quant, |
99 |
return dc_scaler; |
uint32_t lum) |
100 |
} |
{ |
101 |
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if (quant < 5) |
102 |
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return 8; |
103 |
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104 |
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if (quant < 25 && !lum) |
105 |
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return (quant + 13) / 2; |
106 |
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107 |
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if (quant < 9) |
108 |
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return 2 * quant; |
109 |
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110 |
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if (quant < 25) |
111 |
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return quant + 8; |
112 |
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113 |
if(lum) |
if(lum) |
114 |
dc_scaler = (quant << 1) - 16; |
return 2 * quant - 16; |
115 |
else |
else |
116 |
dc_scaler = quant - 6; |
return quant - 6; |
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return dc_scaler; |
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117 |
} |
} |
118 |
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119 |
// useful macros |
// useful macros |
120 |
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121 |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |