diff options
Diffstat (limited to 'libavcodec/x86/videodsp_init.c')
| -rw-r--r-- | libavcodec/x86/videodsp_init.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/libavcodec/x86/videodsp_init.c b/libavcodec/x86/videodsp_init.c index 8ee8370..3218abd 100644 --- a/libavcodec/x86/videodsp_init.c +++ b/libavcodec/x86/videodsp_init.c @@ -1,25 +1,27 @@ /* + * Copyright (C) 2002-2012 Michael Niedermayer * Copyright (C) 2012 Ronald S. Bultje * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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" @@ -28,11 +30,11 @@ #include "libavcodec/videodsp.h" #if HAVE_YASM -typedef void emu_edge_vfix_func(uint8_t *dst, const uint8_t *src, - x86_reg dst_stride, x86_reg src_stride, +typedef void emu_edge_vfix_func(uint8_t *dst, x86_reg dst_stride, + const uint8_t *src, x86_reg src_stride, x86_reg start_y, x86_reg end_y, x86_reg bh); -typedef void emu_edge_vvar_func(uint8_t *dst, const uint8_t *src, - x86_reg dst_stride, x86_reg src_stride, +typedef void emu_edge_vvar_func(uint8_t *dst, x86_reg dst_stride, + const uint8_t *src, x86_reg src_stride, x86_reg start_y, x86_reg end_y, x86_reg bh, x86_reg w); @@ -141,14 +143,16 @@ static av_always_inline void emulated_edge_mc(uint8_t *dst, const uint8_t *src, x86_reg start_y, start_x, end_y, end_x, src_y_add = 0, p; if (!w || !h) - return; + return; if (src_y >= h) { - src -= src_y * src_stride; - src_y = src_y_add = h - 1; + src -= src_y*src_stride; + src_y_add = h - 1; + src_y = h - 1; } else if (src_y <= -block_h) { - src -= src_y*src_stride; - src_y = src_y_add = 1 - block_h; + src -= src_y*src_stride; + src_y_add = 1 - block_h; + src_y = 1 - block_h; } if (src_x >= w) { src += w - 1 - src_x; @@ -162,18 +166,17 @@ static av_always_inline void emulated_edge_mc(uint8_t *dst, const uint8_t *src, start_x = FFMAX(0, -src_x); end_y = FFMIN(block_h, h-src_y); end_x = FFMIN(block_w, w-src_x); - assert(start_x < end_x && block_w > 0); - assert(start_y < end_y && block_h > 0); + 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) * src_stride + start_x; w = end_x - start_x; if (w <= 22) { - vfix_tbl[w - 1](dst + start_x, src, - dst_stride, src_stride, + vfix_tbl[w - 1](dst + start_x, dst_stride, src, src_stride, start_y, end_y, block_h); } else { - v_extend_var(dst + start_x, src, dst_stride, src_stride, + v_extend_var(dst + start_x, dst_stride, src, src_stride, start_y, end_y, block_h, w); } @@ -212,7 +215,7 @@ static av_noinline void emulated_edge_mc_mmx(uint8_t *buf, const uint8_t *src, hfixtbl_mmx, &ff_emu_edge_hvar_mmx); } -static av_noinline void emulated_edge_mc_sse(uint8_t * buf,const uint8_t *src, +static av_noinline void emulated_edge_mc_sse(uint8_t *buf, const uint8_t *src, ptrdiff_t buf_stride, ptrdiff_t src_stride, int block_w, int block_h, @@ -231,8 +234,8 @@ static av_noinline void emulated_edge_mc_sse2(uint8_t *buf, const uint8_t *src, int src_x, int src_y, int w, int h) { - emulated_edge_mc(buf, src, buf_stride, src_stride, block_w, block_h, src_x, - src_y, w, h, vfixtbl_sse, &ff_emu_edge_vvar_sse, + emulated_edge_mc(buf, src, buf_stride, src_stride, block_w, block_h, + src_x, src_y, w, h, vfixtbl_sse, &ff_emu_edge_vvar_sse, hfixtbl_sse2, &ff_emu_edge_hvar_sse2); } #endif /* HAVE_YASM */ |
