mirror of https://github.com/FFmpeg/FFmpeg.git
Diego Biurrun
11 years ago
parent
0569a7e0bd
commit
f46bb608d9
26 changed files with 621 additions and 386 deletions
@ -0,0 +1,76 @@ |
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/* |
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* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/arm/asm.S" |
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function ff_get_pixels_armv6, export=1 |
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pld [r1, r2] |
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push {r4-r8, lr} |
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mov lr, #8 |
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1: |
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ldrd_post r4, r5, r1, r2 |
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subs lr, lr, #1 |
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uxtb16 r6, r4 |
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uxtb16 r4, r4, ror #8 |
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uxtb16 r12, r5 |
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uxtb16 r8, r5, ror #8 |
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pld [r1, r2] |
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pkhbt r5, r6, r4, lsl #16 |
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pkhtb r6, r4, r6, asr #16 |
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pkhbt r7, r12, r8, lsl #16 |
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pkhtb r12, r8, r12, asr #16 |
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stm r0!, {r5,r6,r7,r12} |
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bgt 1b |
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pop {r4-r8, pc} |
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endfunc |
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function ff_diff_pixels_armv6, export=1 |
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pld [r1, r3] |
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pld [r2, r3] |
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push {r4-r9, lr} |
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mov lr, #8 |
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1: |
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ldrd_post r4, r5, r1, r3 |
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ldrd_post r6, r7, r2, r3 |
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uxtb16 r8, r4 |
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uxtb16 r4, r4, ror #8 |
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uxtb16 r9, r6 |
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uxtb16 r6, r6, ror #8 |
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pld [r1, r3] |
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ssub16 r9, r8, r9 |
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ssub16 r6, r4, r6 |
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uxtb16 r8, r5 |
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uxtb16 r5, r5, ror #8 |
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pld [r2, r3] |
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pkhbt r4, r9, r6, lsl #16 |
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pkhtb r6, r6, r9, asr #16 |
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uxtb16 r9, r7 |
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uxtb16 r7, r7, ror #8 |
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ssub16 r9, r8, r9 |
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ssub16 r5, r5, r7 |
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subs lr, lr, #1 |
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pkhbt r8, r9, r5, lsl #16 |
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pkhtb r9, r5, r9, asr #16 |
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stm r0!, {r4,r6,r8,r9} |
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bgt 1b |
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pop {r4-r9, pc} |
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endfunc |
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@ -0,0 +1,42 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/pixblockdsp.h" |
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void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, int stride); |
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void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1, |
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const uint8_t *s2, int stride); |
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av_cold void ff_pixblockdsp_init_arm(PixblockDSPContext *c, |
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AVCodecContext *avctx, |
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unsigned high_bit_depth) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_armv6(cpu_flags)) { |
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if (!high_bit_depth) |
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c->get_pixels = ff_get_pixels_armv6; |
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c->diff_pixels = ff_diff_pixels_armv6; |
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} |
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} |
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@ -0,0 +1,76 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "config.h" |
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#include "libavutil/attributes.h" |
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#include "avcodec.h" |
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#include "pixblockdsp.h" |
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#define BIT_DEPTH 16 |
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#include "pixblockdsp_template.c" |
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#undef BIT_DEPTH |
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#define BIT_DEPTH 8 |
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#include "pixblockdsp_template.c" |
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static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1, |
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const uint8_t *s2, int stride) |
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{ |
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int i; |
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/* read the pixels */ |
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for (i = 0; i < 8; i++) { |
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block[0] = s1[0] - s2[0]; |
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block[1] = s1[1] - s2[1]; |
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block[2] = s1[2] - s2[2]; |
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block[3] = s1[3] - s2[3]; |
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block[4] = s1[4] - s2[4]; |
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block[5] = s1[5] - s2[5]; |
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block[6] = s1[6] - s2[6]; |
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block[7] = s1[7] - s2[7]; |
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s1 += stride; |
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s2 += stride; |
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block += 8; |
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} |
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} |
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av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx) |
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{ |
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const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; |
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c->diff_pixels = diff_pixels_c; |
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switch (avctx->bits_per_raw_sample) { |
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case 9: |
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case 10: |
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c->get_pixels = get_pixels_16_c; |
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break; |
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default: |
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c->get_pixels = get_pixels_8_c; |
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break; |
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} |
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if (ARCH_ARM) |
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ff_pixblockdsp_init_arm(c, avctx, high_bit_depth); |
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if (ARCH_PPC) |
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ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth); |
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if (ARCH_X86) |
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ff_pixblockdsp_init_x86(c, avctx, high_bit_depth); |
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} |
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@ -0,0 +1,44 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_PIXBLOCKDSP_H |
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#define AVCODEC_PIXBLOCKDSP_H |
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#include <stdint.h> |
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#include "avcodec.h" |
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typedef struct PixblockDSPContext { |
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void (*get_pixels)(int16_t *block /* align 16 */, |
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const uint8_t *pixels /* align 8 */, |
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int line_size); |
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void (*diff_pixels)(int16_t *block /* align 16 */, |
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const uint8_t *s1 /* align 8 */, |
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const uint8_t *s2 /* align 8 */, |
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int stride); |
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} PixblockDSPContext; |
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void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx); |
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void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth); |
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void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth); |
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void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth); |
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#endif /* AVCODEC_PIXBLOCKDSP_H */ |
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@ -0,0 +1,153 @@ |
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/*
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* Copyright (c) 2002 Brian Foley |
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* Copyright (c) 2002 Dieter Shirley |
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* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#if HAVE_ALTIVEC_H |
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#include <altivec.h> |
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#endif |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/ppc/cpu.h" |
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#include "libavutil/ppc/types_altivec.h" |
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#include "libavutil/ppc/util_altivec.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/pixblockdsp.h" |
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#if HAVE_ALTIVEC |
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static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels, |
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int line_size) |
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{ |
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int i; |
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vector unsigned char perm = vec_lvsl(0, pixels); |
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const vector unsigned char zero = |
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(const vector unsigned char) vec_splat_u8(0); |
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for (i = 0; i < 8; i++) { |
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/* Read potentially unaligned pixels.
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* We're reading 16 pixels, and actually only want 8, |
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* but we simply ignore the extras. */ |
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vector unsigned char pixl = vec_ld(0, pixels); |
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vector unsigned char pixr = vec_ld(7, pixels); |
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vector unsigned char bytes = vec_perm(pixl, pixr, perm); |
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// Convert the bytes into shorts.
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vector signed short shorts = (vector signed short) vec_mergeh(zero, |
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bytes); |
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// Save the data to the block, we assume the block is 16-byte aligned.
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vec_st(shorts, i * 16, (vector signed short *) block); |
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pixels += line_size; |
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} |
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} |
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static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1, |
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const uint8_t *s2, int stride) |
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{ |
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int i; |
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vector unsigned char perm1 = vec_lvsl(0, s1); |
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vector unsigned char perm2 = vec_lvsl(0, s2); |
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const vector unsigned char zero = |
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(const vector unsigned char) vec_splat_u8(0); |
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vector signed short shorts1, shorts2; |
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for (i = 0; i < 4; i++) { |
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/* Read potentially unaligned pixels.
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* We're reading 16 pixels, and actually only want 8, |
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* but we simply ignore the extras. */ |
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vector unsigned char pixl = vec_ld(0, s1); |
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vector unsigned char pixr = vec_ld(15, s1); |
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vector unsigned char bytes = vec_perm(pixl, pixr, perm1); |
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// Convert the bytes into shorts.
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shorts1 = (vector signed short) vec_mergeh(zero, bytes); |
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// Do the same for the second block of pixels.
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pixl = vec_ld(0, s2); |
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pixr = vec_ld(15, s2); |
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bytes = vec_perm(pixl, pixr, perm2); |
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// Convert the bytes into shorts.
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shorts2 = (vector signed short) vec_mergeh(zero, bytes); |
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// Do the subtraction.
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shorts1 = vec_sub(shorts1, shorts2); |
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// Save the data to the block, we assume the block is 16-byte aligned.
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vec_st(shorts1, 0, (vector signed short *) block); |
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s1 += stride; |
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s2 += stride; |
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block += 8; |
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/* The code below is a copy of the code above...
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* This is a manual unroll. */ |
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/* Read potentially unaligned pixels.
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* We're reading 16 pixels, and actually only want 8, |
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* but we simply ignore the extras. */ |
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pixl = vec_ld(0, s1); |
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pixr = vec_ld(15, s1); |
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bytes = vec_perm(pixl, pixr, perm1); |
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// Convert the bytes into shorts.
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shorts1 = (vector signed short) vec_mergeh(zero, bytes); |
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// Do the same for the second block of pixels.
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pixl = vec_ld(0, s2); |
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pixr = vec_ld(15, s2); |
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bytes = vec_perm(pixl, pixr, perm2); |
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// Convert the bytes into shorts.
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shorts2 = (vector signed short) vec_mergeh(zero, bytes); |
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// Do the subtraction.
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shorts1 = vec_sub(shorts1, shorts2); |
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// Save the data to the block, we assume the block is 16-byte aligned.
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vec_st(shorts1, 0, (vector signed short *) block); |
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s1 += stride; |
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s2 += stride; |
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block += 8; |
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} |
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} |
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#endif /* HAVE_ALTIVEC */ |
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av_cold void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, |
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AVCodecContext *avctx, |
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unsigned high_bit_depth) |
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{ |
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#if HAVE_ALTIVEC |
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if (!PPC_ALTIVEC(av_get_cpu_flags())) |
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return; |
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c->diff_pixels = diff_pixels_altivec; |
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if (!high_bit_depth) { |
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c->get_pixels = get_pixels_altivec; |
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} |
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#endif /* HAVE_ALTIVEC */ |
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} |
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@ -0,0 +1,110 @@ |
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;***************************************************************************** |
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;* SIMD-optimized pixel operations |
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|
;***************************************************************************** |
||||||
|
;* Copyright (c) 2000, 2001 Fabrice Bellard |
||||||
|
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
||||||
|
;* |
||||||
|
;* This file is part of Libav. |
||||||
|
;* |
||||||
|
;* Libav 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. |
||||||
|
;* |
||||||
|
;* Libav 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 Libav; if not, write to the Free Software |
||||||
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||||
|
;***************************************************************************** |
||||||
|
|
||||||
|
%include "libavutil/x86/x86util.asm" |
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|
|
||||||
|
SECTION .text |
||||||
|
|
||||||
|
INIT_MMX mmx |
||||||
|
; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size) |
||||||
|
cglobal get_pixels, 3,4 |
||||||
|
movsxdifnidn r2, r2d |
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|
add r0, 128 |
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|
mov r3, -128 |
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|
pxor m7, m7 |
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|
.loop: |
||||||
|
mova m0, [r1] |
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|
mova m2, [r1+r2] |
||||||
|
mova m1, m0 |
||||||
|
mova m3, m2 |
||||||
|
punpcklbw m0, m7 |
||||||
|
punpckhbw m1, m7 |
||||||
|
punpcklbw m2, m7 |
||||||
|
punpckhbw m3, m7 |
||||||
|
mova [r0+r3+ 0], m0 |
||||||
|
mova [r0+r3+ 8], m1 |
||||||
|
mova [r0+r3+16], m2 |
||||||
|
mova [r0+r3+24], m3 |
||||||
|
lea r1, [r1+r2*2] |
||||||
|
add r3, 32 |
||||||
|
js .loop |
||||||
|
REP_RET |
||||||
|
|
||||||
|
INIT_XMM sse2 |
||||||
|
cglobal get_pixels, 3, 4 |
||||||
|
movsxdifnidn r2, r2d |
||||||
|
lea r3, [r2*3] |
||||||
|
pxor m4, m4 |
||||||
|
movh m0, [r1] |
||||||
|
movh m1, [r1+r2] |
||||||
|
movh m2, [r1+r2*2] |
||||||
|
movh m3, [r1+r3] |
||||||
|
lea r1, [r1+r2*4] |
||||||
|
punpcklbw m0, m4 |
||||||
|
punpcklbw m1, m4 |
||||||
|
punpcklbw m2, m4 |
||||||
|
punpcklbw m3, m4 |
||||||
|
mova [r0], m0 |
||||||
|
mova [r0+0x10], m1 |
||||||
|
mova [r0+0x20], m2 |
||||||
|
mova [r0+0x30], m3 |
||||||
|
movh m0, [r1] |
||||||
|
movh m1, [r1+r2*1] |
||||||
|
movh m2, [r1+r2*2] |
||||||
|
movh m3, [r1+r3] |
||||||
|
punpcklbw m0, m4 |
||||||
|
punpcklbw m1, m4 |
||||||
|
punpcklbw m2, m4 |
||||||
|
punpcklbw m3, m4 |
||||||
|
mova [r0+0x40], m0 |
||||||
|
mova [r0+0x50], m1 |
||||||
|
mova [r0+0x60], m2 |
||||||
|
mova [r0+0x70], m3 |
||||||
|
RET |
||||||
|
|
||||||
|
INIT_MMX mmx |
||||||
|
; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
||||||
|
; int stride); |
||||||
|
cglobal diff_pixels, 4,5 |
||||||
|
movsxdifnidn r3, r3d |
||||||
|
pxor m7, m7 |
||||||
|
add r0, 128 |
||||||
|
mov r4, -128 |
||||||
|
.loop: |
||||||
|
mova m0, [r1] |
||||||
|
mova m2, [r2] |
||||||
|
mova m1, m0 |
||||||
|
mova m3, m2 |
||||||
|
punpcklbw m0, m7 |
||||||
|
punpckhbw m1, m7 |
||||||
|
punpcklbw m2, m7 |
||||||
|
punpckhbw m3, m7 |
||||||
|
psubw m0, m2 |
||||||
|
psubw m1, m3 |
||||||
|
mova [r0+r4+0], m0 |
||||||
|
mova [r0+r4+8], m1 |
||||||
|
add r1, r3 |
||||||
|
add r2, r3 |
||||||
|
add r4, 16 |
||||||
|
jne .loop |
||||||
|
REP_RET |
||||||
@ -0,0 +1,47 @@ |
|||||||
|
/*
|
||||||
|
* SIMD-optimized pixel operations |
||||||
|
* |
||||||
|
* This file is part of Libav. |
||||||
|
* |
||||||
|
* Libav 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. |
||||||
|
* |
||||||
|
* Libav 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 Libav; if not, write to the Free Software |
||||||
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||||
|
*/ |
||||||
|
|
||||||
|
#include "libavutil/attributes.h" |
||||||
|
#include "libavutil/cpu.h" |
||||||
|
#include "libavutil/x86/cpu.h" |
||||||
|
#include "libavcodec/pixblockdsp.h" |
||||||
|
|
||||||
|
void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size); |
||||||
|
void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size); |
||||||
|
void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
||||||
|
int stride); |
||||||
|
|
||||||
|
av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, |
||||||
|
AVCodecContext *avctx, |
||||||
|
unsigned high_bit_depth) |
||||||
|
{ |
||||||
|
int cpu_flags = av_get_cpu_flags(); |
||||||
|
|
||||||
|
if (EXTERNAL_MMX(cpu_flags)) { |
||||||
|
if (!high_bit_depth) |
||||||
|
c->get_pixels = ff_get_pixels_mmx; |
||||||
|
c->diff_pixels = ff_diff_pixels_mmx; |
||||||
|
} |
||||||
|
|
||||||
|
if (EXTERNAL_SSE2(cpu_flags)) { |
||||||
|
if (!high_bit_depth) |
||||||
|
c->get_pixels = ff_get_pixels_sse2; |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue