mirror of
https://github.com/mpv-player/mpv
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420 lines
15 KiB
C
420 lines
15 KiB
C
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/*
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* yuv2rgb_mmx.c, Software YUV to RGB coverter with Intel MMX "technology"
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*
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* Copyright (C) 2000, Silicon Integrated System Corp.
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* All Rights Reserved.
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*
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* Author: Olie Lho <ollie@sis.com.tw>
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*
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* This file is part of mpeg2dec, a free MPEG-2 video decoder
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*
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* mpeg2dec is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* mpeg2dec is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "mmx.h"
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//#include "libmpeg2/mpeg2.h"
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//#include "libmpeg2/mpeg2_internal.h"
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#include <inttypes.h>
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#include "yuv2rgb.h"
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/* hope these constant values are cache line aligned */
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uint64_t mmx_80w = 0x0080008000800080;
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uint64_t mmx_10w = 0x1010101010101010;
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uint64_t mmx_00ffw = 0x00ff00ff00ff00ff;
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uint64_t mmx_Y_coeff = 0x253f253f253f253f;
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/* hope these constant values are cache line aligned */
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uint64_t mmx_U_green = 0xf37df37df37df37d;
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uint64_t mmx_U_blue = 0x4093409340934093;
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uint64_t mmx_V_red = 0x3312331233123312;
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uint64_t mmx_V_green = 0xe5fce5fce5fce5fc;
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/* hope these constant values are cache line aligned */
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uint64_t mmx_redmask = 0xf8f8f8f8f8f8f8f8;
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uint64_t mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
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uint64_t mmx_grnshift = 0x03;
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uint64_t mmx_blueshift = 0x03;
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#if defined (HAVE_SSE) || defined (HAVE_3DNOW)
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#define movntq "movntq" // use this for processors that have SSE or 3Dnow
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#else
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#define movntq "movq" // for MMX-only processors
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#endif
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static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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{
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int even = 1;
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int x = 0, y = 0;
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/* load data for first scan line */
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__asm__ (
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"movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0\n\t"
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"movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0\n\t"
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"pxor %%mm4, %%mm4 # zero mm4\n\t"
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"movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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//"movl $0, (%3) # cache preload for image\n\t"
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: : "r" (py), "r" (pu), "r" (pv), "r" (image));
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do {
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do {
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/* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
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pixels in each iteration */
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__asm__ (".align 8 \n\t"
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/* Do the multiply part of the conversion for even and odd pixels,
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register usage:
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mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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mm6 -> Y even, mm7 -> Y odd */
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/* convert the chroma part */
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"punpcklbw %%mm4, %%mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0\n\t"
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"punpcklbw %%mm4, %%mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0\n\t"
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"psubsw mmx_80w, %%mm0 # Cb -= 128\n\t"
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"psubsw mmx_80w, %%mm1 # Cr -= 128\n\t"
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"psllw $3, %%mm0 # Promote precision\n\t"
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"psllw $3, %%mm1 # Promote precision\n\t"
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"movq %%mm0, %%mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0\n\t"
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"movq %%mm1, %%mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0\n\t"
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"pmulhw mmx_U_green, %%mm2# Mul Cb with green coeff -> Cb green\n\t"
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"pmulhw mmx_V_green, %%mm3# Mul Cr with green coeff -> Cr green\n\t"
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"pmulhw mmx_U_blue, %%mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0\n\t"
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"pmulhw mmx_V_red, %%mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0\n\t"
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"paddsw %%mm3, %%mm2 # Cb green + Cr green -> Cgreen\n\t"
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/* convert the luma part */
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"psubusb mmx_10w, %%mm6 # Y -= 16\n\t"
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"movq %%mm6, %%mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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"pand mmx_00ffw, %%mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0\n\t"
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"psrlw $8, %%mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1\n\t"
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"psllw $3, %%mm6 # Promote precision\n\t"
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"psllw $3, %%mm7 # Promote precision\n\t"
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"pmulhw mmx_Y_coeff, %%mm6# Mul 4 Y even 00 y6 00 y4 00 y2 00 y0\n\t"
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"pmulhw mmx_Y_coeff, %%mm7# Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1\n\t"
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/* Do the addition part of the conversion for even and odd pixels,
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register usage:
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mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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mm6 -> Y even, mm7 -> Y odd */
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"movq %%mm0, %%mm3 # Copy Cblue\n\t"
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"movq %%mm1, %%mm4 # Copy Cred\n\t"
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"movq %%mm2, %%mm5 # Copy Cgreen\n\t"
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"paddsw %%mm6, %%mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0\n\t"
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"paddsw %%mm7, %%mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1\n\t"
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"paddsw %%mm6, %%mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0\n\t"
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"paddsw %%mm7, %%mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1\n\t"
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"paddsw %%mm6, %%mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0\n\t"
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"paddsw %%mm7, %%mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1\n\t"
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/* Limit RGB even to 0..255 */
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"packuswb %%mm0, %%mm0 # B6 B4 B2 B0 | B6 B4 B2 B0\n\t"
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"packuswb %%mm1, %%mm1 # R6 R4 R2 R0 | R6 R4 R2 R0\n\t"
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"packuswb %%mm2, %%mm2 # G6 G4 G2 G0 | G6 G4 G2 G0\n\t"
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/* Limit RGB odd to 0..255 */
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"packuswb %%mm3, %%mm3 # B7 B5 B3 B1 | B7 B5 B3 B1\n\t"
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"packuswb %%mm4, %%mm4 # R7 R5 R3 R1 | R7 R5 R3 R1\n\t"
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"packuswb %%mm5, %%mm5 # G7 G5 G3 G1 | G7 G5 G3 G1\n\t"
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/* Interleave RGB even and odd */
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"punpcklbw %%mm3, %%mm0 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
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"punpcklbw %%mm4, %%mm1 # R7 R6 R5 R4 R3 R2 R1 R0\n\t"
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"punpcklbw %%mm5, %%mm2 # G7 G6 G5 G4 G3 G2 G1 G0\n\t"
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/* mask unneeded bits off */
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"pand mmx_redmask, %%mm0# b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0\n\t"
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"pand mmx_grnmask, %%mm2# g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0\n\t"
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"pand mmx_redmask, %%mm1# r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0\n\t"
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"psrlw mmx_blueshift,%%mm0#0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3\n\t"
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"pxor %%mm4, %%mm4 # zero mm4\n\t"
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"movq %%mm0, %%mm5 # Copy B7-B0\n\t"
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"movq %%mm2, %%mm7 # Copy G7-G0\n\t"
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/* convert rgb24 plane to rgb16 pack for pixel 0-3 */
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"punpcklbw %%mm4, %%mm2 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0\n\t"
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"punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3\n\t"
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"psllw mmx_blueshift,%%mm2# 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0\n\t"
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"por %%mm2, %%mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3\n\t"
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"movq 8 (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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movntq " %%mm0, (%3) # store pixel 0-3\n\t"
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/* convert rgb24 plane to rgb16 pack for pixel 0-3 */
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"punpckhbw %%mm4, %%mm7 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0\n\t"
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"punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3\n\t"
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"psllw mmx_blueshift,%%mm7# 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0\n\t"
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"movd 4 (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0\n\t"
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"por %%mm7, %%mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3\n\t"
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"movd 4 (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0\n\t"
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movntq " %%mm5, 8 (%3) # store pixel 4-7\n\t"
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: : "r" (py), "r" (pu), "r" (pv), "r" (image));
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py += 8;
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pu += 4;
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pv += 4;
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image += 16;
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x += 8;
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} while (x < h_size);
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if (even) {
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pu -= h_size/2;
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pv -= h_size/2;
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} else {
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pu += (uv_stride - h_size/2);
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pv += (uv_stride - h_size/2);
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}
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py += (y_stride - h_size);
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image += (rgb_stride - 2*h_size);
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/* load data for start of next scan line */
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__asm__ (
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"movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 00 u3 u2 u1 u0\n\t"
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"movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 00 v2 v1 v0\n\t"
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//"movl $0, (%3) # cache preload for image\n\t"
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"movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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: : "r" (py), "r" (pu), "r" (pv), "r" (image));
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x = 0;
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y += 1;
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even = (!even);
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} while (y < v_size) ;
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__asm__ ("emms\n\t");
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}
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static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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{
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int even = 1;
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int x = 0, y = 0;
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__asm__ (
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".align 8 \n\t"
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"movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0\n\t"
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//"movl $0, (%3) # cache preload for image\n\t"
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"movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0\n\t"
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"pxor %%mm4, %%mm4 # zero mm4\n\t"
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"movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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: : "r" (py), "r" (pu), "r" (pv), "r" (image));
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do {
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do {
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/* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
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pixels in each iteration */
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__asm__ (
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".align 8 \n\t"
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/* Do the multiply part of the conversion for even and odd pixels,
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register usage:
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mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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mm6 -> Y even, mm7 -> Y odd */
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/* convert the chroma part */
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"punpcklbw %%mm4, %%mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0\n\t"
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"punpcklbw %%mm4, %%mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0\n\t"
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"psubsw mmx_80w, %%mm0 # Cb -= 128\n\t"
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"psubsw mmx_80w, %%mm1 # Cr -= 128\n\t"
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"psllw $3, %%mm0 # Promote precision\n\t"
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"psllw $3, %%mm1 # Promote precision\n\t"
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"movq %%mm0, %%mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0\n\t"
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"movq %%mm1, %%mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0\n\t"
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"pmulhw mmx_U_green, %%mm2# Mul Cb with green coeff -> Cb green\n\t"
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"pmulhw mmx_V_green, %%mm3# Mul Cr with green coeff -> Cr green\n\t"
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"pmulhw mmx_U_blue, %%mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0\n\t"
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"pmulhw mmx_V_red, %%mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0\n\t"
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"paddsw %%mm3, %%mm2 # Cb green + Cr green -> Cgreen\n\t"
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/* convert the luma part */
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"psubusb mmx_10w, %%mm6 # Y -= 16\n\t"
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"movq %%mm6, %%mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
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"pand mmx_00ffw, %%mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0\n\t"
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"psrlw $8, %%mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1\n\t"
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"psllw $3, %%mm6 # Promote precision\n\t"
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"psllw $3, %%mm7 # Promote precision\n\t"
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"pmulhw mmx_Y_coeff, %%mm6# Mul 4 Y even 00 y6 00 y4 00 y2 00 y0\n\t"
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"pmulhw mmx_Y_coeff, %%mm7# Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1\n\t"
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/* Do the addition part of the conversion for even and odd pixels,
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register usage:
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mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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mm6 -> Y even, mm7 -> Y odd */
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"movq %%mm0, %%mm3 # Copy Cblue\n\t"
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"movq %%mm1, %%mm4 # Copy Cred\n\t"
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"movq %%mm2, %%mm5 # Copy Cgreen\n\t"
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"paddsw %%mm6, %%mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0\n\t"
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"paddsw %%mm7, %%mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1\n\t"
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"paddsw %%mm6, %%mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0\n\t"
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"paddsw %%mm7, %%mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1\n\t"
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"paddsw %%mm6, %%mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0\n\t"
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"paddsw %%mm7, %%mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1\n\t"
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/* Limit RGB even to 0..255 */
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"packuswb %%mm0, %%mm0 # B6 B4 B2 B0 B6 B4 B2 B0\n\t"
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"packuswb %%mm1, %%mm1 # R6 R4 R2 R0 R6 R4 R2 R0\n\t"
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"packuswb %%mm2, %%mm2 # G6 G4 G2 G0 G6 G4 G2 G0\n\t"
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/* Limit RGB odd to 0..255 */
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"packuswb %%mm3, %%mm3 # B7 B5 B3 B1 B7 B5 B3 B1\n\t"
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"packuswb %%mm4, %%mm4 # R7 R5 R3 R1 R7 R5 R3 R1\n\t"
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"packuswb %%mm5, %%mm5 # G7 G5 G3 G1 G7 G5 G3 G1\n\t"
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/* Interleave RGB even and odd */
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"punpcklbw %%mm3, %%mm0 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
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"punpcklbw %%mm4, %%mm1 # R7 R6 R5 R4 R3 R2 R1 R0\n\t"
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"punpcklbw %%mm5, %%mm2 # G7 G6 G5 G4 G3 G2 G1 G0\n\t"
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/* convert RGB plane to RGB packed format,
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mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0,
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mm4 -> GB, mm5 -> AR pixel 4-7,
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mm6 -> GB, mm7 -> AR pixel 0-3 */
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"pxor %%mm3, %%mm3 # zero mm3\n\t"
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"movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
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"movq %%mm1, %%mm7 # R7 R6 R5 R4 R3 R2 R1 R0\n\t"
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"movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
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"movq %%mm1, %%mm5 # R7 R6 R5 R4 R3 R2 R1 R0\n\t"
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"punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0\n\t"
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"punpcklbw %%mm3, %%mm7 # 00 R3 00 R2 00 R1 00 R0\n\t"
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"punpcklwd %%mm7, %%mm6 # 00 R1 B1 G1 00 R0 B0 G0\n\t"
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movntq " %%mm6, (%3) # Store ARGB1 ARGB0\n\t"
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"movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
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"punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0\n\t"
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"punpckhwd %%mm7, %%mm6 # 00 R3 G3 B3 00 R2 B3 G2\n\t"
|
|
movntq " %%mm6, 8 (%3) # Store ARGB3 ARGB2\n\t"
|
|
|
|
"punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4\n\t"
|
|
"punpckhbw %%mm3, %%mm5 # 00 R7 00 R6 00 R5 00 R4\n\t"
|
|
|
|
"punpcklwd %%mm5, %%mm4 # 00 R5 B5 G5 00 R4 B4 G4\n\t"
|
|
movntq " %%mm4, 16 (%3) # Store ARGB5 ARGB4\n\t"
|
|
|
|
"movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0\n\t"
|
|
"punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4\n\t"
|
|
|
|
"punpckhwd %%mm5, %%mm4 # 00 R7 G7 B7 00 R6 B6 G6\n\t"
|
|
movntq " %%mm4, 24 (%3) # Store ARGB7 ARGB6\n\t"
|
|
|
|
"movd 4 (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0\n\t"
|
|
"movd 4 (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0\n\t"
|
|
|
|
"pxor %%mm4, %%mm4 # zero mm4\n\t"
|
|
"movq 8 (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
|
|
|
|
: : "r" (py), "r" (pu), "r" (pv), "r" (image));
|
|
|
|
py += 8;
|
|
pu += 4;
|
|
pv += 4;
|
|
image += 32;
|
|
x += 8;
|
|
} while (x < h_size);
|
|
|
|
if (even) {
|
|
pu -= h_size/2;
|
|
pv -= h_size/2;
|
|
} else {
|
|
pu += (uv_stride - h_size/2);
|
|
pv += (uv_stride - h_size/2);
|
|
}
|
|
|
|
py += (y_stride - h_size);
|
|
image += (rgb_stride - 4*h_size);
|
|
|
|
/* load data for start of next scan line */
|
|
__asm__
|
|
(
|
|
".align 8 \n\t"
|
|
"movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0\n\t"
|
|
"movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0\n\t"
|
|
|
|
//"movl $0, (%3) # cache preload for image\n\t"
|
|
"movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0\n\t"
|
|
: : "r" (py), "r" (pu), "r" (pv), "r" (image)
|
|
);
|
|
|
|
|
|
x = 0;
|
|
y += 1;
|
|
even = (!even);
|
|
} while ( y < v_size) ;
|
|
|
|
__asm__ ("emms\n\t");
|
|
}
|
|
|
|
yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode)
|
|
{
|
|
// if (bpp == 15 || bpp == 16) {
|
|
if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
|
|
if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx;
|
|
return NULL; // Fallback to C.
|
|
}
|
|
|