h264chroma.c

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/*
 * 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 "h264chroma.h"
 
#define BIT_DEPTH 8
#include "h264chroma_template.c"
#undef BIT_DEPTH
 
#define BIT_DEPTH 16
#include "h264chroma_template.c"
#undef BIT_DEPTH
 
#define SET_CHROMA(depth)                                                   \
    c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_ ## depth ## _c; \
    c->put_h264_chroma_pixels_tab[1] = put_h264_chroma_mc4_ ## depth ## _c; \
    c->put_h264_chroma_pixels_tab[2] = put_h264_chroma_mc2_ ## depth ## _c; \
    c->put_h264_chroma_pixels_tab[3] = put_h264_chroma_mc1_ ## depth ## _c; \
    c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_ ## depth ## _c; \
    c->avg_h264_chroma_pixels_tab[1] = avg_h264_chroma_mc4_ ## depth ## _c; \
    c->avg_h264_chroma_pixels_tab[2] = avg_h264_chroma_mc2_ ## depth ## _c; \
    c->avg_h264_chroma_pixels_tab[3] = avg_h264_chroma_mc1_ ## depth ## _c; \
 
av_cold void ff_h264chroma_init(H264ChromaContext *c, int bit_depth)
{
    if (bit_depth > 8 && bit_depth <= 16) {
        SET_CHROMA(16);
    } else {
        SET_CHROMA(8);
    }
 
    if (ARCH_AARCH64)
        ff_h264chroma_init_aarch64(c, bit_depth);
    if (ARCH_ARM)
        ff_h264chroma_init_arm(c, bit_depth);
    if (ARCH_PPC)
        ff_h264chroma_init_ppc(c, bit_depth);
    if (ARCH_X86)
        ff_h264chroma_init_x86(c, bit_depth);
    if (ARCH_MIPS)
        ff_h264chroma_init_mips(c, bit_depth);
}