diff options
Diffstat (limited to 'media/ffvpx/libavcodec/x86/videodsp_init.c')
| -rw-r--r-- | media/ffvpx/libavcodec/x86/videodsp_init.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/x86/videodsp_init.c b/media/ffvpx/libavcodec/x86/videodsp_init.c new file mode 100644 index 0000000000..ae9db95624 --- /dev/null +++ b/media/ffvpx/libavcodec/x86/videodsp_init.c @@ -0,0 +1,237 @@ +/* + * 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/x86/asm.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/videodsp.h" + +#if HAVE_X86ASM +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, 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); + +extern emu_edge_vfix_func ff_emu_edge_vfix1_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix2_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix3_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix4_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix5_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix6_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix7_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix8_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix9_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix10_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix11_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix12_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix13_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix14_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix15_mmx; +extern emu_edge_vfix_func ff_emu_edge_vfix16_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix17_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix18_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix19_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix20_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix21_sse; +extern emu_edge_vfix_func ff_emu_edge_vfix22_sse; +static emu_edge_vfix_func * const vfixtbl_sse[22] = { + ff_emu_edge_vfix1_mmx, ff_emu_edge_vfix2_mmx, ff_emu_edge_vfix3_mmx, + ff_emu_edge_vfix4_mmx, ff_emu_edge_vfix5_mmx, ff_emu_edge_vfix6_mmx, + ff_emu_edge_vfix7_mmx, ff_emu_edge_vfix8_mmx, ff_emu_edge_vfix9_mmx, + ff_emu_edge_vfix10_mmx, ff_emu_edge_vfix11_mmx, ff_emu_edge_vfix12_mmx, + ff_emu_edge_vfix13_mmx, ff_emu_edge_vfix14_mmx, ff_emu_edge_vfix15_mmx, + ff_emu_edge_vfix16_sse, ff_emu_edge_vfix17_sse, ff_emu_edge_vfix18_sse, + ff_emu_edge_vfix19_sse, ff_emu_edge_vfix20_sse, ff_emu_edge_vfix21_sse, + ff_emu_edge_vfix22_sse +}; +extern emu_edge_vvar_func ff_emu_edge_vvar_sse; + +typedef void emu_edge_hfix_func(uint8_t *dst, x86_reg dst_stride, + x86_reg start_x, x86_reg bh); +typedef void emu_edge_hvar_func(uint8_t *dst, x86_reg dst_stride, + x86_reg start_x, x86_reg n_words, x86_reg bh); + +extern emu_edge_hfix_func ff_emu_edge_hfix2_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix4_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix6_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix8_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix10_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix12_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix14_mmx; +extern emu_edge_hfix_func ff_emu_edge_hfix16_sse2; +extern emu_edge_hfix_func ff_emu_edge_hfix18_sse2; +extern emu_edge_hfix_func ff_emu_edge_hfix20_sse2; +extern emu_edge_hfix_func ff_emu_edge_hfix22_sse2; +static emu_edge_hfix_func * const hfixtbl_sse2[11] = { + ff_emu_edge_hfix2_mmx, ff_emu_edge_hfix4_mmx, ff_emu_edge_hfix6_mmx, + ff_emu_edge_hfix8_mmx, ff_emu_edge_hfix10_mmx, ff_emu_edge_hfix12_mmx, + ff_emu_edge_hfix14_mmx, ff_emu_edge_hfix16_sse2, ff_emu_edge_hfix18_sse2, + ff_emu_edge_hfix20_sse2, ff_emu_edge_hfix22_sse2 +}; +extern emu_edge_hvar_func ff_emu_edge_hvar_sse2; +#if HAVE_AVX2_EXTERNAL +extern emu_edge_hfix_func ff_emu_edge_hfix8_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix10_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix12_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix14_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix16_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix18_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix20_avx2; +extern emu_edge_hfix_func ff_emu_edge_hfix22_avx2; +static emu_edge_hfix_func * const hfixtbl_avx2[11] = { + ff_emu_edge_hfix2_mmx, ff_emu_edge_hfix4_mmx, ff_emu_edge_hfix6_mmx, + ff_emu_edge_hfix8_avx2, ff_emu_edge_hfix10_avx2, ff_emu_edge_hfix12_avx2, + ff_emu_edge_hfix14_avx2, ff_emu_edge_hfix16_avx2, ff_emu_edge_hfix18_avx2, + ff_emu_edge_hfix20_avx2, ff_emu_edge_hfix22_avx2 +}; +extern emu_edge_hvar_func ff_emu_edge_hvar_avx2; +#endif + +static av_always_inline void emulated_edge_mc(uint8_t *dst, const uint8_t *src, + ptrdiff_t dst_stride, + ptrdiff_t src_stride, + x86_reg block_w, x86_reg block_h, + x86_reg src_x, x86_reg src_y, + x86_reg w, x86_reg h, + emu_edge_vfix_func * const *vfix_tbl, + emu_edge_vvar_func *v_extend_var, + emu_edge_hfix_func * const *hfix_tbl, + emu_edge_hvar_func *h_extend_var) +{ + x86_reg start_y, start_x, end_y, end_x, src_y_add = 0, p; + + if (!w || !h) + return; + + av_assert2(block_w <= FFABS(dst_stride)); + + if (src_y >= h) { + 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_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) * src_stride + start_x; + w = end_x - start_x; + if (w <= 22) { + 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, dst_stride, src, src_stride, + start_y, end_y, block_h, w); + } + + // fill left + if (start_x) { + if (start_x <= 22) { + hfix_tbl[(start_x - 1) >> 1](dst, dst_stride, start_x, block_h); + } else { + h_extend_var(dst, dst_stride, + start_x, (start_x + 1) >> 1, block_h); + } + } + + // fill right + p = block_w - end_x; + if (p) { + if (p <= 22) { + hfix_tbl[(p - 1) >> 1](dst + end_x - (p & 1), dst_stride, + -!(p & 1), block_h); + } else { + h_extend_var(dst + end_x - (p & 1), dst_stride, + -!(p & 1), (p + 1) >> 1, block_h); + } + } +} + +static av_noinline void emulated_edge_mc_sse2(uint8_t *buf, const uint8_t *src, + ptrdiff_t buf_stride, + ptrdiff_t src_stride, + int block_w, int block_h, + 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, + hfixtbl_sse2, &ff_emu_edge_hvar_sse2); +} + +#if HAVE_AVX2_EXTERNAL +static av_noinline void emulated_edge_mc_avx2(uint8_t *buf, const uint8_t *src, + ptrdiff_t buf_stride, + ptrdiff_t src_stride, + int block_w, int block_h, + 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, + hfixtbl_avx2, &ff_emu_edge_hvar_avx2); +} +#endif /* HAVE_AVX2_EXTERNAL */ +#endif /* HAVE_X86ASM */ + +void ff_prefetch_mmxext(const uint8_t *buf, ptrdiff_t stride, int h); + +av_cold void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc) +{ +#if HAVE_X86ASM + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_MMXEXT(cpu_flags)) { + ctx->prefetch = ff_prefetch_mmxext; + } + if (EXTERNAL_SSE2(cpu_flags) && bpc <= 8) { + ctx->emulated_edge_mc = emulated_edge_mc_sse2; + } +#if HAVE_AVX2_EXTERNAL + if (EXTERNAL_AVX2(cpu_flags) && bpc <= 8) { + ctx->emulated_edge_mc = emulated_edge_mc_avx2; + } +#endif +#endif /* HAVE_X86ASM */ +} |