| 1 | #include "../dsputil.h"
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| 2 | #include "../mpegvideo.h"
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| 3 | #include "../avcodec.h"
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| 4 |
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| 5 | static void dct_unquantize_h263_intra_iwmmxt(MpegEncContext *s,
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| 6 | DCTELEM *block, int n, int qscale)
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| 7 | {
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| 8 | int level, qmul, qadd;
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| 9 | int nCoeffs;
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| 10 | DCTELEM *block_orig = block;
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| 11 |
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| 12 | assert(s->block_last_index[n]>=0);
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| 13 |
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| 14 | qmul = qscale << 1;
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| 15 |
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| 16 | if (!s->h263_aic) {
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| 17 | if (n < 4)
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| 18 | level = block[0] * s->y_dc_scale;
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| 19 | else
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| 20 | level = block[0] * s->c_dc_scale;
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| 21 | qadd = (qscale - 1) | 1;
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| 22 | }else{
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| 23 | qadd = 0;
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| 24 | level = block[0];
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| 25 | }
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| 26 | if(s->ac_pred)
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| 27 | nCoeffs=63;
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| 28 | else
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| 29 | nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
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| 30 |
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| 31 | __asm__ __volatile__ (
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| 32 | /* "movd %1, %%mm6 \n\t" //qmul */
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| 33 | /* "packssdw %%mm6, %%mm6 \n\t" */
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| 34 | /* "packssdw %%mm6, %%mm6 \n\t" */
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| 35 | "tbcsth wr6, %[qmul] \n\t"
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| 36 | /* "movd %2, %%mm5 \n\t" //qadd */
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| 37 | /* "packssdw %%mm5, %%mm5 \n\t" */
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| 38 | /* "packssdw %%mm5, %%mm5 \n\t" */
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| 39 | "tbcsth wr5, %[qadd] \n\t"
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| 40 | "wzero wr7 \n\t" /* "pxor %%mm7, %%mm7 \n\t" */
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| 41 | "wzero wr4 \n\t" /* "pxor %%mm4, %%mm4 \n\t" */
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| 42 | "wsubh wr7, wr5, wr7 \n\t" /* "psubw %%mm5, %%mm7 \n\t" */
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| 43 | "1: \n\t"
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| 44 | "wldrd wr2, [%[block]] \n\t" /* "movq (%0, %3), %%mm0 \n\t" */
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| 45 | "wldrd wr3, [%[block], #8] \n\t" /* "movq 8(%0, %3), %%mm1 \n\t" */
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| 46 | "wmulsl wr0, wr6, wr2 \n\t" /* "pmullw %%mm6, %%mm0 \n\t" */
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| 47 | "wmulsl wr1, wr6, wr3 \n\t" /* "pmullw %%mm6, %%mm1 \n\t" */
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| 48 | /* "movq (%0, %3), %%mm2 \n\t" */
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| 49 | /* "movq 8(%0, %3), %%mm3 \n\t" */
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| 50 | "wcmpgtsh wr2, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 */
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| 51 | "wcmpgtsh wr3, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 */
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| 52 | "wxor wr0, wr2, wr0 \n\t" /* "pxor %%mm2, %%mm0 \n\t" */
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| 53 | "wxor wr1, wr3, wr1 \n\t" /* "pxor %%mm3, %%mm1 \n\t" */
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| 54 | "waddh wr0, wr7, wr0 \n\t" /* "paddw %%mm7, %%mm0 \n\t" */
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| 55 | "waddh wr1, wr7, wr1 \n\t" /* "paddw %%mm7, %%mm1 \n\t" */
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| 56 | "wxor wr2, wr0, wr2 \n\t" /* "pxor %%mm0, %%mm2 \n\t" */
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| 57 | "wxor wr3, wr1, wr3 \n\t" /* "pxor %%mm1, %%mm3 \n\t" */
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| 58 | "wcmpeqh wr0, wr7, wr0 \n\t" /* "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 */
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| 59 | "wcmpeqh wr1, wr7, wr1 \n\t" /* "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 */
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| 60 | "wandn wr0, wr2, wr0 \n\t" /* "pandn %%mm2, %%mm0 \n\t" */
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| 61 | "wandn wr1, wr3, wr1 \n\t" /* "pandn %%mm3, %%mm1 \n\t" */
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| 62 | "wstrd wr0, [%[block]] \n\t" /* "movq %%mm0, (%0, %3) \n\t" */
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| 63 | "wstrd wr1, [%[block], #8] \n\t" /* "movq %%mm1, 8(%0, %3) \n\t" */
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| 64 | "add %[block], %[block], #16 \n\t" /* "addl $16, %3 \n\t" */
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| 65 | "subs %[i], %[i], #1 \n\t"
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| 66 | "bne 1b \n\t" /* "jng 1b \n\t" */
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| 67 | :[block]"+r"(block)
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| 68 | :[i]"r"((nCoeffs + 8) / 8), [qmul]"r"(qmul), [qadd]"r"(qadd)
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| 69 | :"memory");
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| 70 |
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| 71 | block_orig[0] = level;
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| 72 | }
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| 73 |
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| 74 | #if 0
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| 75 | static void dct_unquantize_h263_inter_iwmmxt(MpegEncContext *s,
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| 76 | DCTELEM *block, int n, int qscale)
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| 77 | {
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| 78 | int nCoeffs;
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| 79 |
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| 80 | assert(s->block_last_index[n]>=0);
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| 81 |
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| 82 | if(s->ac_pred)
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| 83 | nCoeffs=63;
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| 84 | else
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| 85 | nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
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| 86 |
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| 87 | ippiQuantInvInter_Compact_H263_16s_I(block, nCoeffs+1, qscale);
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| 88 | }
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| 89 | #endif
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| 90 |
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| 91 | void MPV_common_init_iwmmxt(MpegEncContext *s)
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| 92 | {
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| 93 | if (!(mm_flags & MM_IWMMXT)) return;
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| 94 |
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| 95 | s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_iwmmxt;
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| 96 | #if 0
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| 97 | s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_iwmmxt;
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| 98 | #endif
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| 99 | }
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