From b7a18f2d1b7afe26d1816621178a52c527d773f4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Diego=20=27Flameeyes=27=20Petten=C3=B2?= Date: Sat, 22 Dec 2007 23:24:00 +0100 Subject: Move libmpeg2 inside video_dec/libmpeg2. --HG-- rename : src/libmpeg2/Makefile.am => src/video_dec/libmpeg2/Makefile.am rename : src/libmpeg2/cpu_state.c => src/video_dec/libmpeg2/cpu_state.c rename : src/libmpeg2/decode.c => src/video_dec/libmpeg2/decode.c rename : src/libmpeg2/header.c => src/video_dec/libmpeg2/header.c rename : src/libmpeg2/idct.c => src/video_dec/libmpeg2/idct.c rename : src/libmpeg2/idct_altivec.c => src/video_dec/libmpeg2/idct_altivec.c rename : src/libmpeg2/idct_mlib.c => src/video_dec/libmpeg2/idct_mlib.c rename : src/libmpeg2/idct_mlib.h => src/video_dec/libmpeg2/idct_mlib.h rename : src/libmpeg2/idct_mmx.c => src/video_dec/libmpeg2/idct_mmx.c rename : src/libmpeg2/libmpeg2_accel.c => src/video_dec/libmpeg2/libmpeg2_accel.c rename : src/libmpeg2/libmpeg2_accel.h => src/video_dec/libmpeg2/libmpeg2_accel.h rename : src/libmpeg2/motion_comp.c => src/video_dec/libmpeg2/motion_comp.c rename : src/libmpeg2/motion_comp_altivec.c => src/video_dec/libmpeg2/motion_comp_altivec.c rename : src/libmpeg2/motion_comp_mlib.c => src/video_dec/libmpeg2/motion_comp_mlib.c rename : src/libmpeg2/motion_comp_mmx.c => src/video_dec/libmpeg2/motion_comp_mmx.c rename : src/libmpeg2/motion_comp_vis.c => src/video_dec/libmpeg2/motion_comp_vis.c rename : src/libmpeg2/mpeg2.h => src/video_dec/libmpeg2/mpeg2.h rename : src/libmpeg2/mpeg2_internal.h => src/video_dec/libmpeg2/mpeg2_internal.h rename : src/libmpeg2/slice.c => src/video_dec/libmpeg2/slice.c rename : src/libmpeg2/slice_xvmc.c => src/video_dec/libmpeg2/slice_xvmc.c rename : src/libmpeg2/slice_xvmc_vld.c => src/video_dec/libmpeg2/slice_xvmc_vld.c rename : src/libmpeg2/stats.c => src/video_dec/libmpeg2/stats.c rename : src/libmpeg2/vis.h => src/video_dec/libmpeg2/vis.h rename : src/libmpeg2/vlc.h => src/video_dec/libmpeg2/vlc.h rename : src/libmpeg2/xine_mpeg2_decoder.c => src/video_dec/libmpeg2/xine_mpeg2_decoder.c rename : src/libmpeg2/xvmc.h => src/video_dec/libmpeg2/xvmc.h rename : src/libmpeg2/xvmc_vld.h => src/video_dec/libmpeg2/xvmc_vld.h --- src/video_dec/libmpeg2/cpu_state.c | 183 +++++++++++++++++++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 src/video_dec/libmpeg2/cpu_state.c (limited to 'src/video_dec/libmpeg2/cpu_state.c') diff --git a/src/video_dec/libmpeg2/cpu_state.c b/src/video_dec/libmpeg2/cpu_state.c new file mode 100644 index 000000000..12963644c --- /dev/null +++ b/src/video_dec/libmpeg2/cpu_state.c @@ -0,0 +1,183 @@ +/* + * cpu_state.c + * Copyright (C) 2000-2003 Michel Lespinasse + * Copyright (C) 1999-2000 Aaron Holtzman + * + * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. + * See http://libmpeg2.sourceforge.net/ for updates. + * + * mpeg2dec is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * mpeg2dec 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "config.h" + +#include +#include + +#include "mpeg2_internal.h" +#include + +void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL; +void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL; + +#if defined(ARCH_X86) || defined(ARCH_X86_64) +static void state_restore_mmx (cpu_state_t * state) +{ + emms (); +} +#endif + +#if defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) + +#ifndef HOST_OS_DARWIN + +static void state_save_altivec (cpu_state_t * state) +{ + asm (" \n" + " li %r9, 16 \n" + " stvx %v20, 0, %r3 \n" + " li %r11, 32 \n" + " stvx %v21, %r9, %r3 \n" + " li %r9, 48 \n" + " stvx %v22, %r11, %r3 \n" + " li %r11, 64 \n" + " stvx %v23, %r9, %r3 \n" + " li %r9, 80 \n" + " stvx %v24, %r11, %r3 \n" + " li %r11, 96 \n" + " stvx %v25, %r9, %r3 \n" + " li %r9, 112 \n" + " stvx %v26, %r11, %r3 \n" + " li %r11, 128 \n" + " stvx %v27, %r9, %r3 \n" + " li %r9, 144 \n" + " stvx %v28, %r11, %r3 \n" + " li %r11, 160 \n" + " stvx %v29, %r9, %r3 \n" + " li %r9, 176 \n" + " stvx %v30, %r11, %r3 \n" + " stvx %v31, %r9, %r3 \n" + ); +} + +static void state_restore_altivec (cpu_state_t * state) +{ + asm (" \n" + " li %r9, 16 \n" + " lvx %v20, 0, %r3 \n" + " li %r11, 32 \n" + " lvx %v21, %r9, %r3 \n" + " li %r9, 48 \n" + " lvx %v22, %r11, %r3 \n" + " li %r11, 64 \n" + " lvx %v23, %r9, %r3 \n" + " li %r9, 80 \n" + " lvx %v24, %r11, %r3 \n" + " li %r11, 96 \n" + " lvx %v25, %r9, %r3 \n" + " li %r9, 112 \n" + " lvx %v26, %r11, %r3 \n" + " li %r11, 128 \n" + " lvx %v27, %r9, %r3 \n" + " li %r9, 144 \n" + " lvx %v28, %r11, %r3 \n" + " li %r11, 160 \n" + " lvx %v29, %r9, %r3 \n" + " li %r9, 176 \n" + " lvx %v30, %r11, %r3 \n" + " lvx %v31, %r9, %r3 \n" + ); +} + +#else /* HOST_OS_DARWIN */ + +#define LI(a,b) "li r" #a "," #b "\n\t" +#define STVX0(a,b,c) "stvx v" #a ",0,r" #c "\n\t" +#define STVX(a,b,c) "stvx v" #a ",r" #b ",r" #c "\n\t" +#define LVX0(a,b,c) "lvx v" #a ",0,r" #c "\n\t" +#define LVX(a,b,c) "lvx v" #a ",r" #b ",r" #c "\n\t" + +static void state_save_altivec (cpu_state_t * state) +{ + asm (LI (9, 16) + STVX0 (20, 0, 3) + LI (11, 32) + STVX (21, 9, 3) + LI (9, 48) + STVX (22, 11, 3) + LI (11, 64) + STVX (23, 9, 3) + LI (9, 80) + STVX (24, 11, 3) + LI (11, 96) + STVX (25, 9, 3) + LI (9, 112) + STVX (26, 11, 3) + LI (11, 128) + STVX (27, 9, 3) + LI (9, 144) + STVX (28, 11, 3) + LI (11, 160) + STVX (29, 9, 3) + LI (9, 176) + STVX (30, 11, 3) + STVX (31, 9, 3)); +} + +static void state_restore_altivec (cpu_state_t * state) +{ + asm (LI (9, 16) + LVX0 (20, 0, 3) + LI (11, 32) + LVX (21, 9, 3) + LI (9, 48) + LVX (22, 11, 3) + LI (11, 64) + LVX (23, 9, 3) + LI (9, 80) + LVX (24, 11, 3) + LI (11, 96) + LVX (25, 9, 3) + LI (9, 112) + LVX (26, 11, 3) + LI (11, 128) + LVX (27, 9, 3) + LI (9, 144) + LVX (28, 11, 3) + LI (11, 160) + LVX (29, 9, 3) + LI (9, 176) + LVX (30, 11, 3) + LVX (31, 9, 3)); +} +#endif /* HOST_OS_DARWIN */ + +#endif /* defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) */ + +void mpeg2_cpu_state_init (uint32_t mm_accel) +{ +#if defined(ARCH_X86) || defined(ARCH_X86_64) + if (mm_accel & MM_ACCEL_X86_MMX) { + mpeg2_cpu_state_restore = state_restore_mmx; + } +#endif +#if defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) + if (mm_accel & MM_ACCEL_PPC_ALTIVEC) { + mpeg2_cpu_state_save = state_save_altivec; + mpeg2_cpu_state_restore = state_restore_altivec; + } +#endif +} + -- cgit v1.2.3