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FFmpeg/libavcodec/mips/dsputil_mmi.c
Michael Niedermayer 6cb2085278 Merge remote-tracking branch 'qatar/master'
* qatar/master: (27 commits)
  ppc: Add ff_ prefix to nonstatic symbols
  sh4: Add ff_ prefix to nonstatic symbols
  mpegvideo: Add ff_ prefix to nonstatic functions
  rtjpeg: Add ff_ prefix to nonstatic symbols
  rv: Add ff_ prefix to nonstatic symbols
  vp56: Add ff_ prefix to nonstatic symbols
  vorbis: Add ff_ prefix to nonstatic symbols
  msmpeg4: Add ff_ prefix to nonstatic symbols
  vc1: Add ff_ prefix to nonstatic symbols
  msmpeg4: Add ff_ prefixes to nonstatic symbols
  snow: Add ff_ prefix to nonstatic symbols
  mpeg12: Add ff_ prefix to nonstatic symbols
  mpeg4: Add ff_ prefixes to nonstatic symbols
  lagarith: Add ff_ prefix to lag_rac_init
  libavcodec: Add ff_ prefix to j_rev_dct*
  dsputil: Add ff_ prefix to inv_zigzag_direct16
  libavcodec: Prefix fdct_ifast, fdct_ifast248
  dsputil: Add ff_ prefix to the dsputil*_init* functions
  libavcodec: Add ff_ prefix to some nonstatic symbols
  vlc/rl: Add ff_ prefix to the nonstatic symbols
  ...

Conflicts:
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/dnxhddec.c
	libavcodec/ffv1.c
	libavcodec/h263.h
	libavcodec/h263dec.c
	libavcodec/h264.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo_enc.c
	libavcodec/nuv.c
	libavcodec/ppc/dsputil_ppc.c
	libavcodec/proresdsp.c
	libavcodec/svq3.c
	libavcodec/version.h
	libavformat/dv.h
	libavformat/dvenc.c
	libavformat/matroskadec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-16 01:34:37 +01:00

163 lines
5.4 KiB
C

/*
* MMI optimized DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard
*
* MMI optimization by Leon van Stuivenberg
* clear_blocks_mmi() by BroadQ
*
* 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 "libavcodec/dsputil.h"
#include "mmi.h"
static void clear_blocks_mmi(DCTELEM * blocks)
{
__asm__ volatile(
".set noreorder \n"
"addiu $9, %0, 768 \n"
"nop \n"
"1: \n"
"sq $0, 0(%0) \n"
"move $8, %0 \n"
"addi %0, %0, 64 \n"
"sq $0, 16($8) \n"
"slt $10, %0, $9 \n"
"sq $0, 32($8) \n"
"bnez $10, 1b \n"
"sq $0, 48($8) \n"
".set reorder \n"
: "+r" (blocks) :: "$8", "$9", "memory" );
}
static void get_pixels_mmi(DCTELEM *block, const uint8_t *pixels, int line_size)
{
__asm__ volatile(
".set push \n\t"
".set mips3 \n\t"
"ld $8, 0(%0) \n\t"
"add %0, %0, %2 \n\t"
"ld $9, 0(%0) \n\t"
"add %0, %0, %2 \n\t"
"ld $10, 0(%0) \n\t"
"pextlb $8, $0, $8 \n\t"
"sq $8, 0(%1) \n\t"
"add %0, %0, %2 \n\t"
"ld $8, 0(%0) \n\t"
"pextlb $9, $0, $9 \n\t"
"sq $9, 16(%1) \n\t"
"add %0, %0, %2 \n\t"
"ld $9, 0(%0) \n\t"
"pextlb $10, $0, $10 \n\t"
"sq $10, 32(%1) \n\t"
"add %0, %0, %2 \n\t"
"ld $10, 0(%0) \n\t"
"pextlb $8, $0, $8 \n\t"
"sq $8, 48(%1) \n\t"
"add %0, %0, %2 \n\t"
"ld $8, 0(%0) \n\t"
"pextlb $9, $0, $9 \n\t"
"sq $9, 64(%1) \n\t"
"add %0, %0, %2 \n\t"
"ld $9, 0(%0) \n\t"
"pextlb $10, $0, $10 \n\t"
"sq $10, 80(%1) \n\t"
"pextlb $8, $0, $8 \n\t"
"sq $8, 96(%1) \n\t"
"pextlb $9, $0, $9 \n\t"
"sq $9, 112(%1) \n\t"
".set pop \n\t"
: "+r" (pixels) : "r" (block), "r" (line_size) : "$8", "$9", "$10", "memory" );
}
static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
__asm__ volatile(
".set push \n\t"
".set mips3 \n\t"
"1: \n\t"
"ldr $8, 0(%1) \n\t"
"addiu %2, %2, -1 \n\t"
"ldl $8, 7(%1) \n\t"
"add %1, %1, %3 \n\t"
"sd $8, 0(%0) \n\t"
"add %0, %0, %3 \n\t"
"bgtz %2, 1b \n\t"
".set pop \n\t"
: "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size)
: "$8", "memory" );
}
static void put_pixels16_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
__asm__ volatile (
".set push \n\t"
".set mips3 \n\t"
"1: \n\t"
"ldr $8, 0(%1) \n\t"
"add $11, %1, %3 \n\t"
"ldl $8, 7(%1) \n\t"
"add $10, %0, %3 \n\t"
"ldr $9, 8(%1) \n\t"
"ldl $9, 15(%1) \n\t"
"ldr $12, 0($11) \n\t"
"add %1, $11, %3 \n\t"
"ldl $12, 7($11) \n\t"
"pcpyld $8, $9, $8 \n\t"
"sq $8, 0(%0) \n\t"
"ldr $13, 8($11) \n\t"
"addiu %2, %2, -2 \n\t"
"ldl $13, 15($11) \n\t"
"add %0, $10, %3 \n\t"
"pcpyld $12, $13, $12 \n\t"
"sq $12, 0($10) \n\t"
"bgtz %2, 1b \n\t"
".set pop \n\t"
: "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size)
: "$8", "$9", "$10", "$11", "$12", "$13", "memory" );
}
void ff_dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx)
{
const int idct_algo= avctx->idct_algo;
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
if (!high_bit_depth) {
c->clear_blocks = clear_blocks_mmi;
c->put_pixels_tab[1][0] = put_pixels8_mmi;
c->put_no_rnd_pixels_tab[1][0] = put_pixels8_mmi;
c->put_pixels_tab[0][0] = put_pixels16_mmi;
c->put_no_rnd_pixels_tab[0][0] = put_pixels16_mmi;
c->get_pixels = get_pixels_mmi;
}
if (avctx->bits_per_raw_sample <= 8 &&
(idct_algo == FF_IDCT_AUTO || idct_algo == FF_IDCT_MMI)) {
c->idct_put= ff_mmi_idct_put;
c->idct_add= ff_mmi_idct_add;
c->idct = ff_mmi_idct;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
}
}