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Code Issues Releases Wiki Activity

Rename ffmpeg-4.2-fit to ffmpeg-4-fit

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This commit is contained in:
winlin 2021-03-02 17:48:40 +08:00
parent b19074721c
commit 27712fdda7
720 changed files with 14 additions and 14 deletions
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78
trunk/3rdparty/ffmpeg-4-fit/libavcodec/blockdsp.c vendored Normal file
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@ -0,0 +1,78 @@
/*
* 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 <stdint.h>
#include <string.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "version.h"
static void clear_block_c(int16_t *block)
{
memset(block, 0, sizeof(int16_t) * 64);
}
static void clear_blocks_c(int16_t *blocks)
{
memset(blocks, 0, sizeof(int16_t) * 6 * 64);
}
static void fill_block16_c(uint8_t *block, uint8_t value, ptrdiff_t line_size,
int h)
{
int i;
for (i = 0; i < h; i++) {
memset(block, value, 16);
block += line_size;
}
}
static void fill_block8_c(uint8_t *block, uint8_t value, ptrdiff_t line_size,
int h)
{
int i;
for (i = 0; i < h; i++) {
memset(block, value, 8);
block += line_size;
}
}
av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
{
c->clear_block = clear_block_c;
c->clear_blocks = clear_blocks_c;
c->fill_block_tab[0] = fill_block16_c;
c->fill_block_tab[1] = fill_block8_c;
if (ARCH_ALPHA)
ff_blockdsp_init_alpha(c);
if (ARCH_ARM)
ff_blockdsp_init_arm(c);
if (ARCH_PPC)
ff_blockdsp_init_ppc(c);
if (ARCH_X86)
ff_blockdsp_init_x86(c, avctx);
if (ARCH_MIPS)
ff_blockdsp_init_mips(c);
}