diff options
Diffstat (limited to 'ffmpeg1/libavcodec/x86/videodsp_init.c')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/videodsp_init.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/ffmpeg1/libavcodec/x86/videodsp_init.c b/ffmpeg1/libavcodec/x86/videodsp_init.c deleted file mode 100644 index 902450e..0000000 --- a/ffmpeg1/libavcodec/x86/videodsp_init.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 2002-2012 Michael Niedermayer - * Copyright (C) 2012 Ronald S. Bultje - * - * 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 "config.h" -#include "libavutil/attributes.h" -#include "libavutil/avassert.h" -#include "libavutil/common.h" -#include "libavutil/cpu.h" -#include "libavutil/mem.h" -#include "libavutil/x86/asm.h" -#include "libavcodec/videodsp.h" - -#if HAVE_YASM -typedef void emu_edge_core_func(uint8_t *buf, const uint8_t *src, - x86_reg linesize, x86_reg start_y, - x86_reg end_y, x86_reg block_h, - x86_reg start_x, x86_reg end_x, - x86_reg block_w); -extern emu_edge_core_func ff_emu_edge_core_mmx; -extern emu_edge_core_func ff_emu_edge_core_sse; - -static av_always_inline void emulated_edge_mc(uint8_t *buf, const uint8_t *src, - ptrdiff_t linesize_arg, - int block_w, int block_h, - int src_x, int src_y, - int w, int h, - emu_edge_core_func *core_fn) -{ - int start_y, start_x, end_y, end_x, src_y_add = 0; - int linesize = linesize_arg; - - if(!w || !h) - return; - - if (src_y >= h) { - src -= src_y*linesize; - src_y_add = h - 1; - src_y = h - 1; - } else if (src_y <= -block_h) { - src -= src_y*linesize; - src_y_add = 1 - block_h; - src_y = 1 - block_h; - } - if (src_x >= w) { - src += w - 1 - src_x; - src_x = w - 1; - } else if (src_x <= -block_w) { - src += 1 - block_w - src_x; - src_x = 1 - block_w; - } - - start_y = FFMAX(0, -src_y); - start_x = FFMAX(0, -src_x); - end_y = FFMIN(block_h, h-src_y); - end_x = FFMIN(block_w, w-src_x); - av_assert2(start_x < end_x && block_w > 0); - av_assert2(start_y < end_y && block_h > 0); - - // fill in the to-be-copied part plus all above/below - src += (src_y_add + start_y) * linesize + start_x; - buf += start_x; - core_fn(buf, src, linesize, start_y, end_y, - block_h, start_x, end_x, block_w); -} - -#if ARCH_X86_32 -static av_noinline void emulated_edge_mc_mmx(uint8_t *buf, const uint8_t *src, - ptrdiff_t linesize, - int block_w, int block_h, - int src_x, int src_y, int w, int h) -{ - emulated_edge_mc(buf, src, linesize, block_w, block_h, src_x, src_y, - w, h, &ff_emu_edge_core_mmx); -} -#endif - -static av_noinline void emulated_edge_mc_sse(uint8_t *buf, const uint8_t *src, - ptrdiff_t linesize, - int block_w, int block_h, - int src_x, int src_y, int w, int h) -{ - emulated_edge_mc(buf, src, linesize, block_w, block_h, src_x, src_y, - w, h, &ff_emu_edge_core_sse); -} -#endif /* HAVE_YASM */ - -void ff_prefetch_mmxext(uint8_t *buf, ptrdiff_t stride, int h); -void ff_prefetch_3dnow(uint8_t *buf, ptrdiff_t stride, int h); - -av_cold void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc) -{ -#if HAVE_YASM - int mm_flags = av_get_cpu_flags(); - -#if ARCH_X86_32 - if (bpc <= 8 && mm_flags & AV_CPU_FLAG_MMX) { - ctx->emulated_edge_mc = emulated_edge_mc_mmx; - } - if (mm_flags & AV_CPU_FLAG_3DNOW) { - ctx->prefetch = ff_prefetch_3dnow; - } -#endif /* ARCH_X86_32 */ - if (mm_flags & AV_CPU_FLAG_MMXEXT) { - ctx->prefetch = ff_prefetch_mmxext; - } - if (bpc <= 8 && mm_flags & AV_CPU_FLAG_SSE) { - ctx->emulated_edge_mc = emulated_edge_mc_sse; - } -#endif /* HAVE_YASM */ -} |