393 |
const int reduced_resolution, |
const int reduced_resolution, |
394 |
const MACROBLOCK * pMB) |
const MACROBLOCK * pMB) |
395 |
{ |
{ |
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DECLARE_ALIGNED_MATRIX(block, 1, 64, int16_t, CACHE_LINE); |
|
396 |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
397 |
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|
398 |
int stride = dec->edged_width; |
int stride = dec->edged_width; |
401 |
int i; |
int i; |
402 |
const uint32_t iQuant = pMB->quant; |
const uint32_t iQuant = pMB->quant; |
403 |
const int direction = dec->alternate_vertical_scan ? 2 : 0; |
const int direction = dec->alternate_vertical_scan ? 2 : 0; |
404 |
const quant_interFuncPtr dequant = dec->quant_type == 0 ? dequant_h263_inter : dequant_mpeg_inter; |
typedef void (*get_inter_block_function_t)( |
405 |
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Bitstream * bs, |
406 |
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int16_t * block, |
407 |
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int direction, |
408 |
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const int quant, |
409 |
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const uint16_t *matrix); |
410 |
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411 |
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const get_inter_block_function_t get_inter_block = (dec->quant_type == 0) |
412 |
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? get_inter_block_h263 |
413 |
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: get_inter_block_mpeg; |
414 |
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415 |
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memset(&data[0], 0, 6*64*sizeof(int16_t)); /* clear */ |
416 |
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417 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
418 |
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|
419 |
if (cbp & (1 << (5 - i))) { /* coded */ |
if (cbp & (1 << (5 - i))) { /* coded */ |
420 |
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memset(block, 0, 64 * sizeof(int16_t)); /* clear */ |
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421 |
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422 |
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/* Decode coeffs and dequantize on the fly */ |
423 |
start_timer(); |
start_timer(); |
424 |
get_inter_block(bs, block, direction); |
get_inter_block(bs, &data[i*64], direction, iQuant, get_inter_matrix(dec->mpeg_quant_matrices)); |
425 |
stop_coding_timer(); |
stop_coding_timer(); |
426 |
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|
427 |
start_timer(); |
start_timer(); |
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dequant(&data[i * 64], block, iQuant, dec->mpeg_quant_matrices); |
|
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stop_iquant_timer(); |
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|
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start_timer(); |
|
428 |
idct(&data[i * 64]); |
idct(&data[i * 64]); |
429 |
stop_idct_timer(); |
stop_idct_timer(); |
430 |
} |
} |