21 |
#define MODE_BACKWARD 2 |
#define MODE_BACKWARD 2 |
22 |
#define MODE_FORWARD 3 |
#define MODE_FORWARD 3 |
23 |
#define MODE_DIRECT_NONE_MV 4 |
#define MODE_DIRECT_NONE_MV 4 |
24 |
|
#define MODE_DIRECT_NO4V 5 |
25 |
|
|
26 |
|
|
27 |
typedef struct |
typedef struct |
44 |
{ |
{ |
45 |
// decoder/encoder |
// decoder/encoder |
46 |
VECTOR mvs[4]; |
VECTOR mvs[4]; |
|
uint32_t sad8[4]; // SAD values for inter4v-VECTORs |
|
|
uint32_t sad16; // SAD value for inter-VECTOR |
|
47 |
|
|
48 |
short int pred_values[6][MBPRED_SIZE]; |
short int pred_values[6][MBPRED_SIZE]; |
49 |
int acpred_directions[6]; |
int acpred_directions[6]; |
58 |
|
|
59 |
// encoder specific |
// encoder specific |
60 |
|
|
61 |
|
VECTOR mv16; |
62 |
VECTOR pmvs[4]; |
VECTOR pmvs[4]; |
63 |
|
VECTOR qmvs[4]; // mvs in quarter pixel resolution |
64 |
|
|
65 |
|
int32_t sad8[4]; // SAD values for inter4v-VECTORs |
66 |
|
int32_t sad16; // SAD value for inter-VECTOR |
67 |
|
|
68 |
int dquant; |
int dquant; |
69 |
int cbp; |
int cbp; |
70 |
|
|
71 |
// bframe stuff |
// bframe stuff |
72 |
|
|
73 |
VECTOR b_mvs[4]; |
VECTOR b_mvs[4]; |
74 |
VECTOR b_pmvs[4]; |
VECTOR b_qmvs[4]; |
75 |
|
// VECTOR b_pmvs[1]; |
76 |
|
|
77 |
|
// bframe direct mode |
78 |
|
|
79 |
|
// VECTOR directmv[4]; |
80 |
|
// VECTOR deltamv; |
81 |
|
|
82 |
int mb_type; |
int mb_type; |
83 |
int dbquant; |
int dbquant; |
84 |
|
|
85 |
} MACROBLOCK; |
// stuff for block based ME (needed for Qpel ME) |
86 |
|
// backup of last integer ME vectors/sad |
87 |
|
|
88 |
static __inline int8_t get_dc_scaler(int32_t quant, uint32_t lum) |
// VECTOR i_mv16; |
89 |
{ |
VECTOR i_mvs[4]; |
|
int8_t dc_scaler; |
|
90 |
|
|
91 |
if(quant > 0 && quant < 5) { |
int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
92 |
dc_scaler = 8; |
// int32_t i_sad16; // SAD value for inter-VECTOR |
|
return dc_scaler; |
|
|
} |
|
93 |
|
|
|
if(quant < 25 && !lum) { |
|
|
dc_scaler = (quant + 13) >> 1; |
|
|
return dc_scaler; |
|
|
} |
|
94 |
|
|
|
if(quant < 9) { |
|
|
dc_scaler = quant << 1; |
|
|
return dc_scaler; |
|
95 |
} |
} |
96 |
|
MACROBLOCK; |
97 |
|
|
98 |
if(quant < 25) { |
static __inline int8_t |
99 |
dc_scaler = quant + 8; |
get_dc_scaler(uint32_t quant, |
100 |
return dc_scaler; |
uint32_t lum) |
101 |
} |
{ |
102 |
|
if (quant < 5) |
103 |
|
return 8; |
104 |
|
|
105 |
|
if (quant < 25 && !lum) |
106 |
|
return (quant + 13) / 2; |
107 |
|
|
108 |
|
if (quant < 9) |
109 |
|
return 2 * quant; |
110 |
|
|
111 |
|
if (quant < 25) |
112 |
|
return quant + 8; |
113 |
|
|
114 |
if(lum) |
if(lum) |
115 |
dc_scaler = (quant << 1) - 16; |
return 2 * quant - 16; |
116 |
else |
else |
117 |
dc_scaler = quant - 6; |
return quant - 6; |
|
|
|
|
return dc_scaler; |
|
118 |
} |
} |
119 |
|
|
|
|
|
120 |
// useful macros |
// useful macros |
121 |
|
|
122 |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |