From a2fc0f6a6ddf884ace3c96a0d4f09f0932e6db32 Mon Sep 17 00:00:00 2001 From: Måns Rullgård Date: Wed, 17 Dec 2008 00:54:54 +0000 Subject: ARM: replace "armv4l" with "arm" Originally committed as revision 16179 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/arm/mpegvideo_iwmmxt.c | 119 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 libavcodec/arm/mpegvideo_iwmmxt.c (limited to 'libavcodec/arm/mpegvideo_iwmmxt.c') diff --git a/libavcodec/arm/mpegvideo_iwmmxt.c b/libavcodec/arm/mpegvideo_iwmmxt.c new file mode 100644 index 0000000000..e816ac67c5 --- /dev/null +++ b/libavcodec/arm/mpegvideo_iwmmxt.c @@ -0,0 +1,119 @@ +/* + * copyright (c) 2004 AGAWA Koji + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavcodec/avcodec.h" +#include "libavcodec/dsputil.h" +#include "libavcodec/mpegvideo.h" + +static void dct_unquantize_h263_intra_iwmmxt(MpegEncContext *s, + DCTELEM *block, int n, int qscale) +{ + int level, qmul, qadd; + int nCoeffs; + DCTELEM *block_orig = block; + + assert(s->block_last_index[n]>=0); + + qmul = qscale << 1; + + if (!s->h263_aic) { + if (n < 4) + level = block[0] * s->y_dc_scale; + else + level = block[0] * s->c_dc_scale; + qadd = (qscale - 1) | 1; + }else{ + qadd = 0; + level = block[0]; + } + if(s->ac_pred) + nCoeffs=63; + else + nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; + + __asm__ volatile ( +/* "movd %1, %%mm6 \n\t" //qmul */ +/* "packssdw %%mm6, %%mm6 \n\t" */ +/* "packssdw %%mm6, %%mm6 \n\t" */ + "tbcsth wr6, %[qmul] \n\t" +/* "movd %2, %%mm5 \n\t" //qadd */ +/* "packssdw %%mm5, %%mm5 \n\t" */ +/* "packssdw %%mm5, %%mm5 \n\t" */ + "tbcsth wr5, %[qadd] \n\t" + "wzero wr7 \n\t" /* "pxor %%mm7, %%mm7 \n\t" */ + "wzero wr4 \n\t" /* "pxor %%mm4, %%mm4 \n\t" */ + "wsubh wr7, wr5, wr7 \n\t" /* "psubw %%mm5, %%mm7 \n\t" */ + "1: \n\t" + "wldrd wr2, [%[block]] \n\t" /* "movq (%0, %3), %%mm0 \n\t" */ + "wldrd wr3, [%[block], #8] \n\t" /* "movq 8(%0, %3), %%mm1 \n\t" */ + "wmulsl wr0, wr6, wr2 \n\t" /* "pmullw %%mm6, %%mm0 \n\t" */ + "wmulsl wr1, wr6, wr3 \n\t" /* "pmullw %%mm6, %%mm1 \n\t" */ +/* "movq (%0, %3), %%mm2 \n\t" */ +/* "movq 8(%0, %3), %%mm3 \n\t" */ + "wcmpgtsh wr2, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 */ + "wcmpgtsh wr3, wr4, wr2 \n\t" /* "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 */ + "wxor wr0, wr2, wr0 \n\t" /* "pxor %%mm2, %%mm0 \n\t" */ + "wxor wr1, wr3, wr1 \n\t" /* "pxor %%mm3, %%mm1 \n\t" */ + "waddh wr0, wr7, wr0 \n\t" /* "paddw %%mm7, %%mm0 \n\t" */ + "waddh wr1, wr7, wr1 \n\t" /* "paddw %%mm7, %%mm1 \n\t" */ + "wxor wr2, wr0, wr2 \n\t" /* "pxor %%mm0, %%mm2 \n\t" */ + "wxor wr3, wr1, wr3 \n\t" /* "pxor %%mm1, %%mm3 \n\t" */ + "wcmpeqh wr0, wr7, wr0 \n\t" /* "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 */ + "wcmpeqh wr1, wr7, wr1 \n\t" /* "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 */ + "wandn wr0, wr2, wr0 \n\t" /* "pandn %%mm2, %%mm0 \n\t" */ + "wandn wr1, wr3, wr1 \n\t" /* "pandn %%mm3, %%mm1 \n\t" */ + "wstrd wr0, [%[block]] \n\t" /* "movq %%mm0, (%0, %3) \n\t" */ + "wstrd wr1, [%[block], #8] \n\t" /* "movq %%mm1, 8(%0, %3) \n\t" */ + "add %[block], %[block], #16 \n\t" /* "addl $16, %3 \n\t" */ + "subs %[i], %[i], #1 \n\t" + "bne 1b \n\t" /* "jng 1b \n\t" */ + :[block]"+r"(block) + :[i]"r"((nCoeffs + 8) / 8), [qmul]"r"(qmul), [qadd]"r"(qadd) + :"memory"); + + block_orig[0] = level; +} + +#if 0 +static void dct_unquantize_h263_inter_iwmmxt(MpegEncContext *s, + DCTELEM *block, int n, int qscale) +{ + int nCoeffs; + + assert(s->block_last_index[n]>=0); + + if(s->ac_pred) + nCoeffs=63; + else + nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; + + ippiQuantInvInter_Compact_H263_16s_I(block, nCoeffs+1, qscale); +} +#endif + +void MPV_common_init_iwmmxt(MpegEncContext *s) +{ + if (!(mm_flags & FF_MM_IWMMXT)) return; + + s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_iwmmxt; +#if 0 + s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_iwmmxt; +#endif +} -- cgit v1.2.3