FFmpeg/libavcodec/mips/pixblockdsp_init_mips.c

/*
 * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
 *                    Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
 *
 * 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/mips/cpu.h"
#include "pixblockdsp_mips.h"

void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
                              unsigned high_bit_depth)
{
    int cpu_flags = av_get_cpu_flags();

    if (have_mmi(cpu_flags)) {
        c->diff_pixels = ff_diff_pixels_mmi;

        if (!high_bit_depth || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
            c->get_pixels = ff_get_pixels_8_mmi;
        }
    }

    if (have_msa(cpu_flags)) {
        c->diff_pixels = ff_diff_pixels_msa;

        switch (avctx->bits_per_raw_sample) {
        case 9:
        case 10:
        case 12:
        case 14:
            c->get_pixels = ff_get_pixels_16_msa;
            break;
        default:
            if (avctx->bits_per_raw_sample <= 8 || avctx->codec_type !=
                AVMEDIA_TYPE_VIDEO) {
                c->get_pixels = ff_get_pixels_8_msa;
            }
            break;
        }
    }
}