42 |
* * |
* * |
43 |
* Revision history: * |
* Revision history: * |
44 |
* * |
* * |
45 |
* 29.03.2002 interlacing speedup - used transfer strides instead of |
* 29.03.2002 interlacing speedup - used transfer strides instead of * |
46 |
* manual field-to-frame conversion |
* manual field-to-frame conversion * |
47 |
* 26.03.2002 interlacing support - moved transfers outside loops |
* 26.03.2002 interlacing support - moved transfers outside loops * |
48 |
* 22.12.2001 get_dc_scaler() moved to common.h |
* 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 |
* * |
* * |
68 |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
69 |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
70 |
|
|
71 |
#define TOOSMALL_LIMIT 1 /* skip blocks having a coefficient sum below this value */ |
#define TOOSMALL_LIMIT 3 /* skip blocks having a coefficient sum below this value */ |
72 |
|
|
73 |
/* this isnt pretty, but its better than 20 ifdefs */ |
/* this isnt pretty, but its better than 20 ifdefs */ |
74 |
|
|
105 |
|
|
106 |
start_timer(); |
start_timer(); |
107 |
pMB->field_dct = 0; |
pMB->field_dct = 0; |
108 |
if ((frame->global_flags & XVID_INTERLACING)) { |
if ((frame->global_flags & XVID_INTERLACING) && |
109 |
|
(x_pos>0) && (x_pos<pParam->mb_width-1) && |
110 |
|
(y_pos>0) && (y_pos<pParam->mb_height-1)) { |
111 |
pMB->field_dct = MBDecideFieldDCT(data); |
pMB->field_dct = MBDecideFieldDCT(data); |
112 |
} |
} |
113 |
stop_interlacing_timer(); |
stop_interlacing_timer(); |
185 |
|
|
186 |
start_timer(); |
start_timer(); |
187 |
pMB->field_dct = 0; |
pMB->field_dct = 0; |
188 |
if ((frame->global_flags & XVID_INTERLACING)) { |
if ((frame->global_flags & XVID_INTERLACING) && |
189 |
|
(x_pos>0) && (x_pos<pParam->mb_width-1) && |
190 |
|
(y_pos>0) && (y_pos<pParam->mb_height-1)) { |
191 |
pMB->field_dct = MBDecideFieldDCT(data); |
pMB->field_dct = MBDecideFieldDCT(data); |
192 |
} |
} |
193 |
stop_interlacing_timer(); |
stop_interlacing_timer(); |
211 |
stop_quant_timer(); |
stop_quant_timer(); |
212 |
} |
} |
213 |
|
|
214 |
if (sum >= TOOSMALL_LIMIT) { // skip block ? |
if ((sum >= TOOSMALL_LIMIT) || (qcoeff[i*64] != 0) || |
215 |
|
(qcoeff[i*64+1] != 0) || (qcoeff[i*64+8] != 0)) { |
216 |
|
|
217 |
if (pParam->m_quant_type == H263_QUANT) { |
if (pParam->m_quant_type == H263_QUANT) { |
218 |
start_timer(); |
start_timer(); |
300 |
MBTransQuantInterBVOP(const MBParam * pParam, |
MBTransQuantInterBVOP(const MBParam * pParam, |
301 |
FRAMEINFO * frame, |
FRAMEINFO * frame, |
302 |
MACROBLOCK * pMB, |
MACROBLOCK * pMB, |
|
const uint32_t x_pos, |
|
|
const uint32_t y_pos, |
|
303 |
int16_t data[6 * 64], |
int16_t data[6 * 64], |
304 |
int16_t qcoeff[6 * 64]) |
int16_t qcoeff[6 * 64]) |
305 |
{ |
{ |