/* * MMX optimized DSP utils * Copyright (c) 2007 Aurelien Jacobs * * 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 */ #ifndef AVCODEC_X86_DSPUTIL_MMX_H #define AVCODEC_X86_DSPUTIL_MMX_H #include #include #include "libavcodec/dsputil.h" #include "libavutil/x86/asm.h" #include "constants.h" #define MOVQ_WONE(regd) \ __asm__ volatile ( \ "pcmpeqd %%" #regd ", %%" #regd " \n\t" \ "psrlw $15, %%" #regd ::) #define JUMPALIGN() __asm__ volatile (".p2align 3"::) #define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::) #define MOVQ_BFE(regd) \ __asm__ volatile ( \ "pcmpeqd %%"#regd", %%"#regd" \n\t" \ "paddb %%"#regd", %%"#regd" \n\t" ::) #ifndef PIC #define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo)) #else // for shared library it's better to use this way for accessing constants // pcmpeqd -> -1 #define MOVQ_WTWO(regd) \ __asm__ volatile ( \ "pcmpeqd %%"#regd", %%"#regd" \n\t" \ "psrlw $15, %%"#regd" \n\t" \ "psllw $1, %%"#regd" \n\t"::) #endif // using regr as temporary and for the output result // first argument is unmodifed and second is trashed // regfe is supposed to contain 0xfefefefefefefefe #define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \ "movq "#rega", "#regr" \n\t" \ "pand "#regb", "#regr" \n\t" \ "pxor "#rega", "#regb" \n\t" \ "pand "#regfe", "#regb" \n\t" \ "psrlq $1, "#regb" \n\t" \ "paddb "#regb", "#regr" \n\t" #define PAVGB_MMX(rega, regb, regr, regfe) \ "movq "#rega", "#regr" \n\t" \ "por "#regb", "#regr" \n\t" \ "pxor "#rega", "#regb" \n\t" \ "pand "#regfe", "#regb" \n\t" \ "psrlq $1, "#regb" \n\t" \ "psubb "#regb", "#regr" \n\t" // mm6 is supposed to contain 0xfefefefefefefefe #define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ "movq "#rega", "#regr" \n\t" \ "movq "#regc", "#regp" \n\t" \ "pand "#regb", "#regr" \n\t" \ "pand "#regd", "#regp" \n\t" \ "pxor "#rega", "#regb" \n\t" \ "pxor "#regc", "#regd" \n\t" \ "pand %%mm6, "#regb" \n\t" \ "pand %%mm6, "#regd" \n\t" \ "psrlq $1, "#regb" \n\t" \ "psrlq $1, "#regd" \n\t" \ "paddb "#regb", "#regr" \n\t" \ "paddb "#regd", "#regp" \n\t" #define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \ "movq "#rega", "#regr" \n\t" \ "movq "#regc", "#regp" \n\t" \ "por "#regb", "#regr" \n\t" \ "por "#regd", "#regp" \n\t" \ "pxor "#rega", "#regb" \n\t" \ "pxor "#regc", "#regd" \n\t" \ "pand %%mm6, "#regb" \n\t" \ "pand %%mm6, "#regd" \n\t" \ "psrlq $1, "#regd" \n\t" \ "psrlq $1, "#regb" \n\t" \ "psubb "#regb", "#regr" \n\t" \ "psubb "#regd", "#regp" \n\t" void ff_dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx); void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx); void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size); void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size); void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size); void ff_avg_pixels8_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels16_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels8_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels16_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels8_mmxext(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels8_mmxext(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_avg_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_put_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h); void ff_mmx_idct(int16_t *block); void ff_mmxext_idct(int16_t *block); void ff_deinterlace_line_mmx(uint8_t *dst, const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size); void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size); #endif /* AVCODEC_X86_DSPUTIL_MMX_H */