mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
b51d7d89f8
Since there's separate SSE2 implementations of xvid_idct_put/add, this patch has no practical impact on performance.
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
|
|
* 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 "libavutil/cpu.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/idctdsp.h"
|
|
#include "libavcodec/xvididct.h"
|
|
|
|
#include "idctdsp.h"
|
|
#include "xvididct.h"
|
|
|
|
#if ARCH_X86_32 && HAVE_YASM
|
|
static void xvid_idct_mmx_put(uint8_t *dest, ptrdiff_t line_size, short *block)
|
|
{
|
|
ff_xvid_idct_mmx(block);
|
|
ff_put_pixels_clamped_mmx(block, dest, line_size);
|
|
}
|
|
|
|
static void xvid_idct_mmx_add(uint8_t *dest, ptrdiff_t line_size, short *block)
|
|
{
|
|
ff_xvid_idct_mmx(block);
|
|
ff_add_pixels_clamped_mmx(block, dest, line_size);
|
|
}
|
|
|
|
static void xvid_idct_mmxext_put(uint8_t *dest, ptrdiff_t line_size, short *block)
|
|
{
|
|
ff_xvid_idct_mmxext(block);
|
|
ff_put_pixels_clamped_mmx(block, dest, line_size);
|
|
}
|
|
|
|
static void xvid_idct_mmxext_add(uint8_t *dest, ptrdiff_t line_size, short *block)
|
|
{
|
|
ff_xvid_idct_mmxext(block);
|
|
ff_add_pixels_clamped_mmx(block, dest, line_size);
|
|
}
|
|
#endif
|
|
|
|
av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth)
|
|
{
|
|
#if HAVE_YASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (high_bit_depth ||
|
|
!(avctx->idct_algo == FF_IDCT_AUTO ||
|
|
avctx->idct_algo == FF_IDCT_XVID))
|
|
return;
|
|
|
|
#if ARCH_X86_32
|
|
if (EXTERNAL_MMX(cpu_flags)) {
|
|
c->idct_put = xvid_idct_mmx_put;
|
|
c->idct_add = xvid_idct_mmx_add;
|
|
c->idct = ff_xvid_idct_mmx;
|
|
c->perm_type = FF_IDCT_PERM_NONE;
|
|
}
|
|
|
|
if (EXTERNAL_MMXEXT(cpu_flags)) {
|
|
c->idct_put = xvid_idct_mmxext_put;
|
|
c->idct_add = xvid_idct_mmxext_add;
|
|
c->idct = ff_xvid_idct_mmxext;
|
|
c->perm_type = FF_IDCT_PERM_NONE;
|
|
}
|
|
#endif
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
c->idct_put = ff_xvid_idct_put_sse2;
|
|
c->idct_add = ff_xvid_idct_add_sse2;
|
|
c->idct = ff_xvid_idct_sse2;
|
|
c->perm_type = FF_IDCT_PERM_SSE2;
|
|
}
|
|
#endif /* HAVE_YASM */
|
|
}
|