42 |
* * |
* * |
43 |
* Revision history: * |
* Revision history: * |
44 |
* * |
* * |
45 |
* 22.12.2001 get_dc_scaler() moved to common.h |
* 29.03.2002 interlacing speedup - used transfer strides instead of * |
46 |
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* manual field-to-frame conversion * |
47 |
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* 26.03.2002 interlacing support - moved transfers outside loops * |
48 |
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* 22.12.2001 get_dc_scaler() moved to common.h * |
49 |
* 19.11.2001 introduced coefficient thresholding (Isibaar) * |
* 19.11.2001 introduced coefficient thresholding (Isibaar) * |
50 |
* 17.11.2001 initial version * |
* 17.11.2001 initial version * |
51 |
* * |
* * |
52 |
******************************************************************************/ |
******************************************************************************/ |
53 |
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54 |
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#include <string.h> |
55 |
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|
56 |
#include "../portab.h" |
#include "../portab.h" |
57 |
#include "mbfunctions.h" |
#include "mbfunctions.h" |
58 |
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|
65 |
#include "../quant/quant_h263.h" |
#include "../quant/quant_h263.h" |
66 |
#include "../encoder.h" |
#include "../encoder.h" |
67 |
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|
68 |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#include "../image/reduced.h" |
69 |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
|
70 |
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MBFIELDTEST_PTR MBFieldTest; |
71 |
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72 |
#define TOOSMALL_LIMIT 1 /* skip blocks having a coefficient sum below this value */ |
#define TOOSMALL_LIMIT 1 /* skip blocks having a coefficient sum below this value */ |
73 |
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74 |
/* this isnt pretty, but its better than 20 ifdefs */ |
static __inline void |
75 |
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MBfDCT(int16_t data[6 * 64]) |
76 |
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{ |
77 |
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start_timer(); |
78 |
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fdct(&data[0 * 64]); |
79 |
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fdct(&data[1 * 64]); |
80 |
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fdct(&data[2 * 64]); |
81 |
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fdct(&data[3 * 64]); |
82 |
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fdct(&data[4 * 64]); |
83 |
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fdct(&data[5 * 64]); |
84 |
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stop_dct_timer(); |
85 |
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} |
86 |
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void MBTransQuantIntra(const MBParam *pParam, |
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const uint32_t x_pos, |
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const uint32_t y_pos, |
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int16_t data[][64], |
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int16_t qcoeff[][64], |
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IMAGE * const pCurrent) |
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87 |
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88 |
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static __inline uint32_t |
89 |
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QuantizeInterBlock( int16_t qcoeff[64], |
90 |
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const int16_t data[64], |
91 |
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const uint32_t iQuant, |
92 |
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const uint32_t quant_type) |
93 |
{ |
{ |
94 |
const uint32_t stride = pParam->edged_width; |
uint32_t sum; |
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uint32_t i; |
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uint32_t iQuant = pParam->quant; |
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uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
|
95 |
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|
96 |
pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); |
start_timer(); |
97 |
pU_Cur = pCurrent->u + (y_pos << 3) * (stride >> 1) + (x_pos << 3); |
if (quant_type == H263_QUANT) |
98 |
pV_Cur = pCurrent->v + (y_pos << 3) * (stride >> 1) + (x_pos << 3); |
sum = quant_inter(qcoeff, data, iQuant); |
99 |
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else |
100 |
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sum = quant4_inter(qcoeff, data, iQuant); |
101 |
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|
102 |
for(i = 0; i < 6; i++) { |
stop_quant_timer(); |
103 |
uint32_t iDcScaler = get_dc_scaler(iQuant, i < 4); |
return sum; |
104 |
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} |
105 |
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106 |
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void |
107 |
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MBTransQuantIntra(const MBParam * const pParam, |
108 |
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FRAMEINFO * const frame, |
109 |
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MACROBLOCK * const pMB, |
110 |
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const uint32_t x_pos, |
111 |
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const uint32_t y_pos, |
112 |
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int16_t data[6 * 64], |
113 |
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int16_t qcoeff[6 * 64]) |
114 |
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{ |
115 |
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116 |
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uint32_t stride = pParam->edged_width; |
117 |
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const uint32_t stride2 = stride / 2; |
118 |
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uint32_t next_block = stride * ((frame->global_flags & XVID_REDUCED)?16:8); |
119 |
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int i; |
120 |
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const uint32_t iQuant = pMB->quant; |
121 |
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uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
122 |
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const IMAGE * const pCurrent = &frame->image; |
123 |
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|
124 |
start_timer(); |
start_timer(); |
125 |
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if ((frame->global_flags & XVID_REDUCED)) |
126 |
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{ |
127 |
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pY_Cur = pCurrent->y + (y_pos << 5) * stride + (x_pos << 5); |
128 |
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pU_Cur = pCurrent->u + (y_pos << 4) * stride2 + (x_pos << 4); |
129 |
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pV_Cur = pCurrent->v + (y_pos << 4) * stride2 + (x_pos << 4); |
130 |
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131 |
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filter_18x18_to_8x8(&data[0 * 64], pY_Cur, stride); |
132 |
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filter_18x18_to_8x8(&data[1 * 64], pY_Cur + 16, stride); |
133 |
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filter_18x18_to_8x8(&data[2 * 64], pY_Cur + next_block, stride); |
134 |
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filter_18x18_to_8x8(&data[3 * 64], pY_Cur + next_block + 16, stride); |
135 |
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filter_18x18_to_8x8(&data[4 * 64], pU_Cur, stride2); |
136 |
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filter_18x18_to_8x8(&data[5 * 64], pV_Cur, stride2); |
137 |
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} else { |
138 |
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pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); |
139 |
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pU_Cur = pCurrent->u + (y_pos << 3) * stride2 + (x_pos << 3); |
140 |
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pV_Cur = pCurrent->v + (y_pos << 3) * stride2 + (x_pos << 3); |
141 |
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142 |
switch(i) { |
transfer_8to16copy(&data[0 * 64], pY_Cur, stride); |
143 |
case 0 : |
transfer_8to16copy(&data[1 * 64], pY_Cur + 8, stride); |
144 |
transfer_8to16copy(data[0], pY_Cur, stride); |
transfer_8to16copy(&data[2 * 64], pY_Cur + next_block, stride); |
145 |
break; |
transfer_8to16copy(&data[3 * 64], pY_Cur + next_block + 8, stride); |
146 |
case 1 : |
transfer_8to16copy(&data[4 * 64], pU_Cur, stride2); |
147 |
transfer_8to16copy(data[1], pY_Cur + 8, stride); |
transfer_8to16copy(&data[5 * 64], pV_Cur, stride2); |
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break; |
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case 2 : |
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transfer_8to16copy(data[2], pY_Cur + 8 * stride, stride); |
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break; |
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case 3 : |
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transfer_8to16copy(data[3], pY_Cur + 8 * stride + 8, stride); |
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break; |
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case 4 : |
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transfer_8to16copy(data[4], pU_Cur, stride / 2); |
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break; |
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case 5 : |
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transfer_8to16copy(data[5], pV_Cur, stride / 2); |
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break; |
|
148 |
} |
} |
149 |
stop_transfer_timer(); |
stop_transfer_timer(); |
150 |
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|
151 |
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/* XXX: rrv+interlacing is buggy */ |
152 |
start_timer(); |
start_timer(); |
153 |
fdct(data[i]); |
pMB->field_dct = 0; |
154 |
stop_dct_timer(); |
if ((frame->global_flags & XVID_INTERLACING) && |
155 |
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(x_pos>0) && (x_pos<pParam->mb_width-1) && |
156 |
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(y_pos>0) && (y_pos<pParam->mb_height-1)) { |
157 |
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pMB->field_dct = MBDecideFieldDCT(data); |
158 |
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} |
159 |
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stop_interlacing_timer(); |
160 |
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|
161 |
if (pParam->quant_type == H263_QUANT) |
MBfDCT(data); |
162 |
{ |
|
163 |
start_timer(); |
for (i = 0; i < 6; i++) { |
164 |
quant_intra(qcoeff[i], data[i], iQuant, iDcScaler); |
const uint32_t iDcScaler = get_dc_scaler(iQuant, i < 4); |
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stop_quant_timer(); |
|
165 |
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|
166 |
start_timer(); |
start_timer(); |
167 |
dequant_intra(data[i], qcoeff[i], iQuant, iDcScaler); |
if (pParam->m_quant_type == H263_QUANT) |
168 |
stop_iquant_timer(); |
quant_intra(&qcoeff[i * 64], &data[i * 64], iQuant, iDcScaler); |
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} |
|
169 |
else |
else |
170 |
{ |
quant4_intra(&qcoeff[i * 64], &data[i * 64], iQuant, iDcScaler); |
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start_timer(); |
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quant4_intra(qcoeff[i], data[i], iQuant, iDcScaler); |
|
171 |
stop_quant_timer(); |
stop_quant_timer(); |
172 |
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173 |
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/* speedup: dont decode when encoding only ivops */ |
174 |
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if (pParam->iMaxKeyInterval != 1 || pParam->max_bframes > 0) |
175 |
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{ |
176 |
start_timer(); |
start_timer(); |
177 |
dequant4_intra(data[i], qcoeff[i], iQuant, iDcScaler); |
if (pParam->m_quant_type == H263_QUANT) |
178 |
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dequant_intra(&data[i * 64], &qcoeff[i * 64], iQuant, iDcScaler); |
179 |
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else |
180 |
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dequant4_intra(&data[i * 64], &qcoeff[i * 64], iQuant, iDcScaler); |
181 |
stop_iquant_timer(); |
stop_iquant_timer(); |
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} |
|
182 |
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183 |
start_timer(); |
start_timer(); |
184 |
idct(data[i]); |
idct(&data[i * 64]); |
185 |
stop_idct_timer(); |
stop_idct_timer(); |
186 |
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} |
187 |
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} |
188 |
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189 |
start_timer(); |
/* speedup: dont decode when encoding only ivops */ |
190 |
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if (pParam->iMaxKeyInterval != 1 || pParam->max_bframes > 0) |
191 |
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{ |
192 |
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193 |
switch(i) { |
if (pMB->field_dct) { |
194 |
case 0: |
next_block = stride; |
195 |
transfer_16to8copy(pY_Cur, data[0], stride); |
stride *= 2; |
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break; |
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case 1: |
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transfer_16to8copy(pY_Cur + 8, data[1], stride); |
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break; |
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case 2: |
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transfer_16to8copy(pY_Cur + 8 * stride, data[2], stride); |
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break; |
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case 3: |
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transfer_16to8copy(pY_Cur + 8 + 8 * stride, data[3], stride); |
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break; |
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case 4: |
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transfer_16to8copy(pU_Cur, data[4], stride / 2); |
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break; |
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case 5: |
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transfer_16to8copy(pV_Cur, data[5], stride / 2); |
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break; |
|
196 |
} |
} |
197 |
stop_transfer_timer(); |
|
198 |
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start_timer(); |
199 |
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if ((frame->global_flags & XVID_REDUCED)) { |
200 |
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copy_upsampled_8x8_16to8(pY_Cur, &data[0 * 64], stride); |
201 |
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copy_upsampled_8x8_16to8(pY_Cur + 16, &data[1 * 64], stride); |
202 |
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copy_upsampled_8x8_16to8(pY_Cur + next_block, &data[2 * 64], stride); |
203 |
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copy_upsampled_8x8_16to8(pY_Cur + next_block + 16, &data[3 * 64], stride); |
204 |
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copy_upsampled_8x8_16to8(pU_Cur, &data[4 * 64], stride2); |
205 |
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copy_upsampled_8x8_16to8(pV_Cur, &data[5 * 64], stride2); |
206 |
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} else { |
207 |
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transfer_16to8copy(pY_Cur, &data[0 * 64], stride); |
208 |
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transfer_16to8copy(pY_Cur + 8, &data[1 * 64], stride); |
209 |
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transfer_16to8copy(pY_Cur + next_block, &data[2 * 64], stride); |
210 |
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transfer_16to8copy(pY_Cur + next_block + 8, &data[3 * 64], stride); |
211 |
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transfer_16to8copy(pU_Cur, &data[4 * 64], stride2); |
212 |
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transfer_16to8copy(pV_Cur, &data[5 * 64], stride2); |
213 |
} |
} |
214 |
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stop_transfer_timer(); |
215 |
} |
} |
216 |
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|
217 |
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} |
218 |
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|
219 |
uint8_t MBTransQuantInter(const MBParam *pParam, |
uint8_t |
220 |
const uint32_t x_pos, const uint32_t y_pos, |
MBTransQuantInter(const MBParam * const pParam, |
221 |
int16_t data[][64], |
FRAMEINFO * const frame, |
222 |
int16_t qcoeff[][64], |
MACROBLOCK * const pMB, |
223 |
IMAGE * const pCurrent) |
const uint32_t x_pos, |
224 |
|
const uint32_t y_pos, |
225 |
|
int16_t data[6 * 64], |
226 |
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int16_t qcoeff[6 * 64]) |
227 |
{ |
{ |
228 |
const uint32_t stride = pParam->edged_width; |
uint32_t stride = pParam->edged_width; |
229 |
uint8_t i; |
const uint32_t stride2 = stride / 2; |
230 |
uint8_t iQuant = pParam->quant; |
uint32_t next_block = stride * ((frame->global_flags & XVID_REDUCED)?16:8); |
231 |
|
int i; |
232 |
|
const uint32_t iQuant = pMB->quant; |
233 |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
234 |
uint8_t cbp = 0; |
int cbp = 0; |
235 |
uint32_t sum; |
uint32_t sum; |
236 |
|
const IMAGE * const pCurrent = &frame->image; |
237 |
|
|
238 |
|
if ((frame->global_flags & XVID_REDUCED)) { |
239 |
|
pY_Cur = pCurrent->y + (y_pos << 5) * stride + (x_pos << 5); |
240 |
|
pU_Cur = pCurrent->u + (y_pos << 4) * stride2 + (x_pos << 4); |
241 |
|
pV_Cur = pCurrent->v + (y_pos << 4) * stride2 + (x_pos << 4); |
242 |
|
} else { |
243 |
pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); |
pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); |
244 |
pU_Cur = pCurrent->u + (y_pos << 3) * (stride >> 1) + (x_pos << 3); |
pU_Cur = pCurrent->u + (y_pos << 3) * stride2 + (x_pos << 3); |
245 |
pV_Cur = pCurrent->v + (y_pos << 3) * (stride >> 1) + (x_pos << 3); |
pV_Cur = pCurrent->v + (y_pos << 3) * stride2 + (x_pos << 3); |
246 |
|
} |
247 |
|
|
248 |
|
start_timer(); |
249 |
|
pMB->field_dct = 0; |
250 |
|
if ((frame->global_flags & XVID_INTERLACING) && |
251 |
|
(x_pos>0) && (x_pos<pParam->mb_width-1) && |
252 |
|
(y_pos>0) && (y_pos<pParam->mb_height-1)) { |
253 |
|
pMB->field_dct = MBDecideFieldDCT(data); |
254 |
|
} |
255 |
|
stop_interlacing_timer(); |
256 |
|
|
257 |
|
MBfDCT(data); |
258 |
|
|
259 |
for(i = 0; i < 6; i++) { |
for(i = 0; i < 6; i++) { |
260 |
|
const uint32_t limit = TOOSMALL_LIMIT + ((iQuant == 1) ? 1 : 0); |
261 |
/* |
/* |
262 |
no need to transfer 8->16-bit |
* no need to transfer 8->16-bit |
263 |
(this is performed already in motion compensation) |
* (this is performed already in motion compensation) |
264 |
*/ |
*/ |
|
start_timer(); |
|
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fdct(data[i]); |
|
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stop_dct_timer(); |
|
265 |
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|
266 |
if (pParam->quant_type == 0) |
sum = QuantizeInterBlock(&qcoeff[i * 64], &data[i * 64], iQuant, pParam->m_quant_type); |
267 |
{ |
|
268 |
|
if (sum >= limit) { |
269 |
|
|
270 |
start_timer(); |
start_timer(); |
271 |
sum = quant_inter(qcoeff[i], data[i], iQuant); |
if (pParam->m_quant_type == H263_QUANT) |
272 |
stop_quant_timer(); |
dequant_inter(&data[i * 64], &qcoeff[i * 64], iQuant); |
|
} |
|
273 |
else |
else |
274 |
{ |
dequant4_inter(&data[i * 64], &qcoeff[i * 64], iQuant); |
275 |
|
stop_iquant_timer(); |
276 |
|
|
277 |
|
cbp |= 1 << (5 - i); |
278 |
|
|
279 |
start_timer(); |
start_timer(); |
280 |
sum = quant4_inter(qcoeff[i], data[i], iQuant); |
idct(&data[i * 64]); |
281 |
stop_quant_timer(); |
stop_idct_timer(); |
282 |
|
} |
283 |
} |
} |
284 |
|
|
285 |
if(sum >= TOOSMALL_LIMIT) { // skip block ? |
if (pMB->field_dct) { |
286 |
|
next_block = stride; |
287 |
|
stride *= 2; |
288 |
|
} |
289 |
|
|
|
if (pParam->quant_type == H263_QUANT) |
|
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{ |
|
290 |
start_timer(); |
start_timer(); |
291 |
dequant_inter(data[i], qcoeff[i], iQuant); |
if ((frame->global_flags & XVID_REDUCED)) { |
292 |
stop_iquant_timer(); |
if (cbp & 32) |
293 |
|
add_upsampled_8x8_16to8(pY_Cur, &data[0 * 64], stride); |
294 |
|
if (cbp & 16) |
295 |
|
add_upsampled_8x8_16to8(pY_Cur + 16, &data[1 * 64], stride); |
296 |
|
if (cbp & 8) |
297 |
|
add_upsampled_8x8_16to8(pY_Cur + next_block, &data[2 * 64], stride); |
298 |
|
if (cbp & 4) |
299 |
|
add_upsampled_8x8_16to8(pY_Cur + 16 + next_block, &data[3 * 64], stride); |
300 |
|
if (cbp & 2) |
301 |
|
add_upsampled_8x8_16to8(pU_Cur, &data[4 * 64], stride2); |
302 |
|
if (cbp & 1) |
303 |
|
add_upsampled_8x8_16to8(pV_Cur, &data[5 * 64], stride2); |
304 |
|
} else { |
305 |
|
if (cbp & 32) |
306 |
|
transfer_16to8add(pY_Cur, &data[0 * 64], stride); |
307 |
|
if (cbp & 16) |
308 |
|
transfer_16to8add(pY_Cur + 8, &data[1 * 64], stride); |
309 |
|
if (cbp & 8) |
310 |
|
transfer_16to8add(pY_Cur + next_block, &data[2 * 64], stride); |
311 |
|
if (cbp & 4) |
312 |
|
transfer_16to8add(pY_Cur + next_block + 8, &data[3 * 64], stride); |
313 |
|
if (cbp & 2) |
314 |
|
transfer_16to8add(pU_Cur, &data[4 * 64], stride2); |
315 |
|
if (cbp & 1) |
316 |
|
transfer_16to8add(pV_Cur, &data[5 * 64], stride2); |
317 |
} |
} |
318 |
else |
stop_transfer_timer(); |
319 |
|
|
320 |
|
return (uint8_t) cbp; |
321 |
|
} |
322 |
|
|
323 |
|
uint8_t |
324 |
|
MBTransQuantInterBVOP(const MBParam * pParam, |
325 |
|
FRAMEINFO * frame, |
326 |
|
MACROBLOCK * pMB, |
327 |
|
int16_t data[6 * 64], |
328 |
|
int16_t qcoeff[6 * 64]) |
329 |
{ |
{ |
330 |
|
int cbp = 0; |
331 |
|
int i; |
332 |
|
|
333 |
|
/* there is no MBTrans for Inter block, that's done in motion compensation already */ |
334 |
|
|
335 |
start_timer(); |
start_timer(); |
336 |
dequant4_inter(data[i], qcoeff[i], iQuant); |
pMB->field_dct = 0; |
337 |
stop_iquant_timer(); |
if ((frame->global_flags & XVID_INTERLACING)) { |
338 |
|
pMB->field_dct = MBDecideFieldDCT(data); |
339 |
} |
} |
340 |
|
stop_interlacing_timer(); |
341 |
|
|
342 |
cbp |= 1 << (5 - i); |
MBfDCT(data); |
343 |
|
|
344 |
start_timer(); |
for (i = 0; i < 6; i++) { |
345 |
idct(data[i]); |
int codedecision = 0; |
|
stop_idct_timer(); |
|
346 |
|
|
347 |
start_timer(); |
int sum = QuantizeInterBlock(&qcoeff[i * 64], &data[i * 64], pMB->quant, pParam->m_quant_type); |
348 |
|
|
349 |
switch(i) { |
if ((sum > 2) || (qcoeff[i*64+1] != 0) || (qcoeff[i*64+8] != 0) ) codedecision = 1; |
350 |
case 0: |
else { |
351 |
transfer_16to8add(pY_Cur, data[0], stride); |
if (pMB->mode == MODE_DIRECT || pMB->mode == MODE_DIRECT_NO4V) { |
352 |
break; |
// dark blocks prevention for direct mode |
353 |
case 1: |
if ( (qcoeff[i*64] < -1) || (qcoeff[i*64] > 0) ) codedecision = 1; |
354 |
transfer_16to8add(pY_Cur + 8, data[1], stride); |
} else |
355 |
break; |
if (qcoeff[i*64] != 0) codedecision = 1; // not direct mode |
|
case 2: |
|
|
transfer_16to8add(pY_Cur + 8 * stride, data[2], stride); |
|
|
break; |
|
|
case 3: |
|
|
transfer_16to8add(pY_Cur + 8 + 8 * stride, data[3], stride); |
|
|
break; |
|
|
case 4: |
|
|
transfer_16to8add(pU_Cur, data[4], stride / 2); |
|
|
break; |
|
|
case 5: |
|
|
transfer_16to8add(pV_Cur, data[5], stride / 2); |
|
|
break; |
|
356 |
} |
} |
357 |
stop_transfer_timer(); |
|
358 |
|
if (codedecision) cbp |= 1 << (5 - i); |
359 |
} |
} |
360 |
|
|
361 |
|
/* we don't have to DeQuant, iDCT and Transfer back data for B-frames if we don't reconstruct this frame */ |
362 |
|
/* warning: reconstruction not supported yet */ |
363 |
|
return (uint8_t) cbp; |
364 |
} |
} |
365 |
return cbp; |
|
366 |
|
/* permute block and return field dct choice */ |
367 |
|
|
368 |
|
static uint32_t |
369 |
|
MBDecideFieldDCT(int16_t data[6 * 64]) |
370 |
|
{ |
371 |
|
const uint32_t field = MBFieldTest(data); |
372 |
|
if (field) MBFrameToField(data); |
373 |
|
|
374 |
|
return field; |
375 |
|
} |
376 |
|
|
377 |
|
/* if sum(diff between field lines) < sum(diff between frame lines), use field dct */ |
378 |
|
|
379 |
|
uint32_t |
380 |
|
MBFieldTest_c(int16_t data[6 * 64]) |
381 |
|
{ |
382 |
|
const uint8_t blocks[] = |
383 |
|
{ 0 * 64, 0 * 64, 0 * 64, 0 * 64, 2 * 64, 2 * 64, 2 * 64, 2 * 64 }; |
384 |
|
const uint8_t lines[] = { 0, 16, 32, 48, 0, 16, 32, 48 }; |
385 |
|
|
386 |
|
int frame = 0, field = 0; |
387 |
|
int i, j; |
388 |
|
|
389 |
|
for (i = 0; i < 7; ++i) { |
390 |
|
for (j = 0; j < 8; ++j) { |
391 |
|
frame += |
392 |
|
ABS(data[0 * 64 + (i + 1) * 8 + j] - data[0 * 64 + i * 8 + j]); |
393 |
|
frame += |
394 |
|
ABS(data[1 * 64 + (i + 1) * 8 + j] - data[1 * 64 + i * 8 + j]); |
395 |
|
frame += |
396 |
|
ABS(data[2 * 64 + (i + 1) * 8 + j] - data[2 * 64 + i * 8 + j]); |
397 |
|
frame += |
398 |
|
ABS(data[3 * 64 + (i + 1) * 8 + j] - data[3 * 64 + i * 8 + j]); |
399 |
|
|
400 |
|
field += |
401 |
|
ABS(data[blocks[i + 1] + lines[i + 1] + j] - |
402 |
|
data[blocks[i] + lines[i] + j]); |
403 |
|
field += |
404 |
|
ABS(data[blocks[i + 1] + lines[i + 1] + 8 + j] - |
405 |
|
data[blocks[i] + lines[i] + 8 + j]); |
406 |
|
field += |
407 |
|
ABS(data[blocks[i + 1] + 64 + lines[i + 1] + j] - |
408 |
|
data[blocks[i] + 64 + lines[i] + j]); |
409 |
|
field += |
410 |
|
ABS(data[blocks[i + 1] + 64 + lines[i + 1] + 8 + j] - |
411 |
|
data[blocks[i] + 64 + lines[i] + 8 + j]); |
412 |
|
} |
413 |
|
} |
414 |
|
|
415 |
|
return (frame >= (field + 350)); |
416 |
|
} |
417 |
|
|
418 |
|
|
419 |
|
/* deinterlace Y blocks vertically */ |
420 |
|
|
421 |
|
#define MOVLINE(X,Y) memcpy(X, Y, sizeof(tmp)) |
422 |
|
#define LINE(X,Y) &data[X*64 + Y*8] |
423 |
|
|
424 |
|
void |
425 |
|
MBFrameToField(int16_t data[6 * 64]) |
426 |
|
{ |
427 |
|
int16_t tmp[8]; |
428 |
|
|
429 |
|
/* left blocks */ |
430 |
|
|
431 |
|
// 1=2, 2=4, 4=8, 8=1 |
432 |
|
MOVLINE(tmp, LINE(0, 1)); |
433 |
|
MOVLINE(LINE(0, 1), LINE(0, 2)); |
434 |
|
MOVLINE(LINE(0, 2), LINE(0, 4)); |
435 |
|
MOVLINE(LINE(0, 4), LINE(2, 0)); |
436 |
|
MOVLINE(LINE(2, 0), tmp); |
437 |
|
|
438 |
|
// 3=6, 6=12, 12=9, 9=3 |
439 |
|
MOVLINE(tmp, LINE(0, 3)); |
440 |
|
MOVLINE(LINE(0, 3), LINE(0, 6)); |
441 |
|
MOVLINE(LINE(0, 6), LINE(2, 4)); |
442 |
|
MOVLINE(LINE(2, 4), LINE(2, 1)); |
443 |
|
MOVLINE(LINE(2, 1), tmp); |
444 |
|
|
445 |
|
// 5=10, 10=5 |
446 |
|
MOVLINE(tmp, LINE(0, 5)); |
447 |
|
MOVLINE(LINE(0, 5), LINE(2, 2)); |
448 |
|
MOVLINE(LINE(2, 2), tmp); |
449 |
|
|
450 |
|
// 7=14, 14=13, 13=11, 11=7 |
451 |
|
MOVLINE(tmp, LINE(0, 7)); |
452 |
|
MOVLINE(LINE(0, 7), LINE(2, 6)); |
453 |
|
MOVLINE(LINE(2, 6), LINE(2, 5)); |
454 |
|
MOVLINE(LINE(2, 5), LINE(2, 3)); |
455 |
|
MOVLINE(LINE(2, 3), tmp); |
456 |
|
|
457 |
|
/* right blocks */ |
458 |
|
|
459 |
|
// 1=2, 2=4, 4=8, 8=1 |
460 |
|
MOVLINE(tmp, LINE(1, 1)); |
461 |
|
MOVLINE(LINE(1, 1), LINE(1, 2)); |
462 |
|
MOVLINE(LINE(1, 2), LINE(1, 4)); |
463 |
|
MOVLINE(LINE(1, 4), LINE(3, 0)); |
464 |
|
MOVLINE(LINE(3, 0), tmp); |
465 |
|
|
466 |
|
// 3=6, 6=12, 12=9, 9=3 |
467 |
|
MOVLINE(tmp, LINE(1, 3)); |
468 |
|
MOVLINE(LINE(1, 3), LINE(1, 6)); |
469 |
|
MOVLINE(LINE(1, 6), LINE(3, 4)); |
470 |
|
MOVLINE(LINE(3, 4), LINE(3, 1)); |
471 |
|
MOVLINE(LINE(3, 1), tmp); |
472 |
|
|
473 |
|
// 5=10, 10=5 |
474 |
|
MOVLINE(tmp, LINE(1, 5)); |
475 |
|
MOVLINE(LINE(1, 5), LINE(3, 2)); |
476 |
|
MOVLINE(LINE(3, 2), tmp); |
477 |
|
|
478 |
|
// 7=14, 14=13, 13=11, 11=7 |
479 |
|
MOVLINE(tmp, LINE(1, 7)); |
480 |
|
MOVLINE(LINE(1, 7), LINE(3, 6)); |
481 |
|
MOVLINE(LINE(3, 6), LINE(3, 5)); |
482 |
|
MOVLINE(LINE(3, 5), LINE(3, 3)); |
483 |
|
MOVLINE(LINE(3, 3), tmp); |
484 |
} |
} |