diff options
Diffstat (limited to 'vp8/decoder/dequantize.c')
| -rw-r--r-- | vp8/decoder/dequantize.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/vp8/decoder/dequantize.c b/vp8/decoder/dequantize.c index dd0c13b7d..956acba8f 100644 --- a/vp8/decoder/dequantize.c +++ b/vp8/decoder/dequantize.c @@ -13,13 +13,22 @@ #include "dequantize.h" #include "vp8/common/idct.h" #include "vpx_mem/vpx_mem.h" +#include "onyxd_int.h" extern void vp8_short_idct4x4llm_c(short *input, short *output, int pitch) ; extern void vp8_short_idct4x4llm_1_c(short *input, short *output, int pitch); +#if CONFIG_T8X8 +extern void vp8_short_idct8x8_c(short *input, short *output, int pitch); +extern void vp8_short_idct8x8_1_c(short *input, short *output, int pitch); +#endif +#ifdef DEC_DEBUG +extern int dec_debug; +#endif void vp8_dequantize_b_c(BLOCKD *d) { + int i; short *DQ = d->dqcoeff; short *Q = d->qcoeff; @@ -111,3 +120,211 @@ void vp8_dequant_dc_idct_add_c(short *input, short *dq, unsigned char *pred, pred += pitch; } } + +#if CONFIG_T8X8 +void vp8_dequantize_b_8x8_c(BLOCKD *d)//just for 2x2 haar transform +{ + int i; + short *DQ = d->dqcoeff; + short *Q = d->qcoeff; + short *DQC = d->dequant; + + for (i = 0; i < 16; i++) + { + DQ[i] = (short)(Q[i] * DQC[i]); + } +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Dequantize 2x2\n"); + for (j=0;j<16;j++) printf("%d ", Q[j]); printf("\n"); + for (j=0;j<16;j++) printf("%d ", DQ[j]); printf("\n"); + } +#endif +} + +void vp8_dequant_idct_add_8x8_c(short *input, short *dq, unsigned char *pred, + unsigned char *dest, int pitch, int stride)//, MACROBLOCKD *xd, short blk_idx +{ + short output[64]; + short *diff_ptr = output; + int r, c, b; + int i; + unsigned char *origdest = dest; + unsigned char *origpred = pred; + +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Input 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", input[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + // recover quantizer for 4 4x4 blocks + for (i = 0; i < 64; i++) + { + input[i]=input[i] * dq[i!=0]; + } +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Input DQ 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", input[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + + // the idct halves ( >> 1) the pitch + vp8_short_idct8x8_c(input, output, 16); +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Output 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", output[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + + vpx_memset(input, 0, 128);// test what should i put here + + for (b = 0; b < 4; b++) + { + for (r = 0; r < 4; r++) + { + for (c = 0; c < 4; c++) + { + int a = diff_ptr[c] + pred[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dest[c] = (unsigned char) a; + } + + dest += stride; + diff_ptr += 8; + pred += pitch; + } + diff_ptr = output + (b+1) / 2 * 4 * 8 + (b+1) % 2 * 4; + dest = origdest + (b+1) / 2 * 4 * stride + (b+1) % 2 * 4; + pred = origpred + (b+1) / 2 * 4 * pitch + (b+1) % 2 * 4; + } +#ifdef DEC_DEBUG + if (dec_debug) { + int k,j; + printf("Final 8x8\n"); + for (j=0;j<8;j++) { + for (k=0;k<8;k++) { + printf("%d ", origdest[k]); + } + printf("\n"); + origdest+=stride; + } + } +#endif +} + +void vp8_dequant_dc_idct_add_8x8_c(short *input, short *dq, unsigned char *pred, + unsigned char *dest, int pitch, int stride, + int Dc)// Dc for 1st order T in some rear case +{ + short output[64]; + short *diff_ptr = output; + int r, c, b; + int i; + unsigned char *origdest = dest; + unsigned char *origpred = pred; + + input[0] = (short)Dc;//Dc is the reconstructed value, do not need dequantization + //dc value is recovered after dequantization, since dc need not quantization +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Input 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", input[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + for (i = 1; i < 64; i++) + { + input[i] = input[i] * dq[i!=0]; + } + +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Input DQ 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", input[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + + // the idct halves ( >> 1) the pitch + vp8_short_idct8x8_c(input, output,16); +#ifdef DEC_DEBUG + if (dec_debug) { + int j; + printf("Output 8x8\n"); + for (j=0;j<64;j++) { + printf("%d ", output[j]); + if (j%8 == 7) printf("\n"); + } + } +#endif + vpx_memset(input, 0, 128); + + for (b = 0; b < 4; b++) + { + for (r = 0; r < 4; r++) + { + for (c = 0; c < 4; c++) + { + int a = diff_ptr[c] + pred[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dest[c] = (unsigned char) a; + } + + dest += stride; + diff_ptr += 8; + pred += pitch; + } + diff_ptr = output + (b+1) / 2 * 4 * 8 + (b+1) % 2 * 4; + dest = origdest + (b+1) / 2 * 4 * stride + (b+1) % 2 * 4; + pred = origpred + (b+1) / 2 * 4 * pitch + (b+1) % 2 * 4; + } +#ifdef DEC_DEBUG + if (dec_debug) { + int k,j; + printf("Final 8x8\n"); + for (j=0;j<8;j++) { + for (k=0;k<8;k++) { + printf("%d ", origdest[k]); + } + printf("\n"); + origdest+=stride; + } + } +#endif +} + +#endif |