mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
|
||
|
|
*
|
||
|
|
* 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 "libavcodec/idctdsp.h"
|
||
|
|
#include "idctdsp_alpha.h"
|
||
|
|
#include "asm.h"
|
||
|
|
|
||
|
|
void put_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels,
|
||
|
|
int line_size);
|
||
|
|
void add_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels,
|
||
|
|
int line_size);
|
||
|
|
|
||
|
|
void (*put_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels,
|
||
|
|
int line_size);
|
||
|
|
void (*add_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels,
|
||
|
|
int line_size);
|
||
|
|
|
||
|
|
av_cold void ff_idctdsp_init_alpha(IDCTDSPContext *c, AVCodecContext *avctx,
|
||
|
|
unsigned high_bit_depth)
|
||
|
|
{
|
||
|
|
/* amask clears all bits that correspond to present features. */
|
||
|
|
if (amask(AMASK_MVI) == 0) {
|
||
|
|
c->put_pixels_clamped = put_pixels_clamped_mvi_asm;
|
||
|
|
c->add_pixels_clamped = add_pixels_clamped_mvi_asm;
|
||
|
|
}
|
||
|
|
|
||
|
|
put_pixels_clamped_axp_p = c->put_pixels_clamped;
|
||
|
|
add_pixels_clamped_axp_p = c->add_pixels_clamped;
|
||
|
|
|
||
|
|
if (!high_bit_depth && !avctx->lowres &&
|
||
|
|
(avctx->idct_algo == FF_IDCT_AUTO ||
|
||
|
|
avctx->idct_algo == FF_IDCT_SIMPLEALPHA)) {
|
||
|
|
c->idct_put = ff_simple_idct_put_axp;
|
||
|
|
c->idct_add = ff_simple_idct_add_axp;
|
||
|
|
c->idct = ff_simple_idct_axp;
|
||
|
|
}
|
||
|
|
}
|