1/* 2 * Copyright (c) 2002 Falk Hueffner <falk@debian.org> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavutil/attributes.h" 22#include "libavcodec/idctdsp.h" 23#include "idctdsp_alpha.h" 24#include "asm.h" 25 26void put_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels, 27 int line_size); 28void add_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels, 29 int line_size); 30 31void (*put_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels, 32 int line_size); 33void (*add_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels, 34 int line_size); 35 36av_cold void ff_idctdsp_init_alpha(IDCTDSPContext *c, AVCodecContext *avctx, 37 unsigned high_bit_depth) 38{ 39 /* amask clears all bits that correspond to present features. */ 40 if (amask(AMASK_MVI) == 0) { 41 c->put_pixels_clamped = put_pixels_clamped_mvi_asm; 42 c->add_pixels_clamped = add_pixels_clamped_mvi_asm; 43 } 44 45 put_pixels_clamped_axp_p = c->put_pixels_clamped; 46 add_pixels_clamped_axp_p = c->add_pixels_clamped; 47 48 if (!high_bit_depth && !avctx->lowres && 49 (avctx->idct_algo == FF_IDCT_AUTO || 50 avctx->idct_algo == FF_IDCT_SIMPLEALPHA)) { 51 c->idct_put = ff_simple_idct_put_axp; 52 c->idct_add = ff_simple_idct_add_axp; 53 c->idct = ff_simple_idct_axp; 54 } 55} 56