vf_yadif_init.c

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/*
 * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
 *
 * 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 "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/yadif.h"

void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
                                 void *next, int w, int prefs,
                                 int mrefs, int parity, int mode);
void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
                               void *next, int w, int prefs,
                               int mrefs, int parity, int mode);
void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
                                void *next, int w, int prefs,
                                int mrefs, int parity, int mode);

void ff_yadif_filter_line_16bit_mmxext(void *dst, void *prev, void *cur,
                                       void *next, int w, int prefs,
                                       int mrefs, int parity, int mode);
void ff_yadif_filter_line_16bit_sse2(void *dst, void *prev, void *cur,
                                     void *next, int w, int prefs,
                                     int mrefs, int parity, int mode);
void ff_yadif_filter_line_16bit_ssse3(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
void ff_yadif_filter_line_16bit_sse4(void *dst, void *prev, void *cur,
                                     void *next, int w, int prefs,
                                     int mrefs, int parity, int mode);

void ff_yadif_filter_line_10bit_mmxext(void *dst, void *prev, void *cur,
                                       void *next, int w, int prefs,
                                       int mrefs, int parity, int mode);
void ff_yadif_filter_line_10bit_sse2(void *dst, void *prev, void *cur,
                                     void *next, int w, int prefs,
                                     int mrefs, int parity, int mode);
void ff_yadif_filter_line_10bit_ssse3(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);

av_cold void ff_yadif_init_x86(YADIFContext *yadif)
{
    int cpu_flags = av_get_cpu_flags();
    int bit_depth = (!yadif->csp) ? 8
                                  : yadif->csp->comp[0].depth_minus1 + 1;

    if (bit_depth >= 15) {
#if ARCH_X86_32
        if (EXTERNAL_MMXEXT(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_16bit_mmxext;
#endif /* ARCH_X86_32 */
        if (EXTERNAL_SSE2(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_16bit_sse2;
        if (EXTERNAL_SSSE3(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_16bit_ssse3;
        if (EXTERNAL_SSE4(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_16bit_sse4;
    } else if ( bit_depth >= 9 && bit_depth <= 14) {
#if ARCH_X86_32
        if (EXTERNAL_MMXEXT(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_10bit_mmxext;
#endif /* ARCH_X86_32 */
        if (EXTERNAL_SSE2(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_10bit_sse2;
        if (EXTERNAL_SSSE3(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_10bit_ssse3;
    } else {
#if ARCH_X86_32
        if (EXTERNAL_MMXEXT(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_mmxext;
#endif /* ARCH_X86_32 */
        if (EXTERNAL_SSE2(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_sse2;
        if (EXTERNAL_SSSE3(cpu_flags))
            yadif->filter_line = ff_yadif_filter_line_ssse3;
    }
}