ffmpeg/libavcodec/x86/vp3dsp_init.c
Michael Niedermayer 204c4e953d Merge remote-tracking branch 'qatar/master'
* qatar/master:
  ppc: fix build with altivec disabled
  vp3: move idct and loop filter pointers to new vp3dsp context
  build: add CONFIG_VP3DSP, reduce repetition in OBJS lists
  tscc2: do not add/subtract 128 bias during DCT
  tscc2: fix typo in DCT
  configure: clarify external library section of help output
  configure: mark libfdk-aac as nonfree
  configure: cosmetics: drop some unnecessary backslashes
  os_support: K&R formatting cosmetics

Conflicts:
	configure
	libavcodec/vp3.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-07-18 22:34:48 +02:00

66 lines
2.2 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 <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/vp3dsp.h"
#include "config.h"
void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_dc_add_mmx2(uint8_t *dest, int line_size,
const DCTELEM *block);
void ff_vp3_v_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values);
void ff_vp3_h_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values);
av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
{
#if HAVE_YASM
int cpuflags = av_get_cpu_flags();
if (HAVE_MMX && cpuflags & AV_CPU_FLAG_MMX) {
c->idct_put = ff_vp3_idct_put_mmx;
c->idct_add = ff_vp3_idct_add_mmx;
c->idct_perm = FF_PARTTRANS_IDCT_PERM;
}
if (HAVE_MMX2 && cpuflags & AV_CPU_FLAG_MMX2) {
c->idct_dc_add = ff_vp3_idct_dc_add_mmx2;
if (!(flags & CODEC_FLAG_BITEXACT)) {
c->v_loop_filter = ff_vp3_v_loop_filter_mmx2;
c->h_loop_filter = ff_vp3_h_loop_filter_mmx2;
}
}
if (cpuflags & AV_CPU_FLAG_SSE2) {
c->idct_put = ff_vp3_idct_put_sse2;
c->idct_add = ff_vp3_idct_add_sse2;
c->idct_perm = FF_TRANSPOSE_IDCT_PERM;
}
#endif
}