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FFmpeg/libavcodec/arm/dsputil_arm.c

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/*
* ARM optimized DSP utils
* Copyright (c) 2001 Lionel Ulmer
*
* 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"
#if HAVE_IPP
#include <ipp.h>
#endif
void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
void ff_float_init_arm_vfp(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx);
void j_rev_dct_ARM(DCTELEM *data);
void simple_idct_ARM(DCTELEM *data);
void simple_idct_armv5te(DCTELEM *data);
void simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
void simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
void ff_simple_idct_armv6(DCTELEM *data);
void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data);
void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data);
void ff_simple_idct_neon(DCTELEM *data);
void ff_simple_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
void ff_simple_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_prefetch_arm(void *mem, int stride, int h);
CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
void ff_add_pixels_clamped_ARM(short *block, unsigned char *dest,
int line_size);
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_add_pixels_clamped(block, dest, line_size);
}
static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
{
simple_idct_ARM (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
{
simple_idct_ARM (block);
ff_add_pixels_clamped(block, dest, line_size);
}
#if HAVE_IPP
static void simple_idct_ipp(DCTELEM *block)
{
ippiDCT8x8Inv_Video_16s_C1I(block);
}
static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)
{
ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);
}
void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);
static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
{
ippiDCT8x8Inv_Video_16s_C1I(block);
#if HAVE_IWMMXT
add_pixels_clamped_iwmmxt(block, dest, line_size);
#else
ff_add_pixels_clamped_ARM(block, dest, line_size);
#endif
}
#endif
int mm_support(void)
{
return HAVE_IWMMXT * FF_MM_IWMMXT;
}
void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
{
int idct_algo= avctx->idct_algo;
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
if (avctx->lowres == 0) {
if(idct_algo == FF_IDCT_AUTO){
#if HAVE_IPP
idct_algo = FF_IDCT_IPP;
#elif HAVE_NEON
idct_algo = FF_IDCT_SIMPLENEON;
#elif HAVE_ARMV6
idct_algo = FF_IDCT_SIMPLEARMV6;
#elif HAVE_ARMV5TE
idct_algo = FF_IDCT_SIMPLEARMV5TE;
#else
idct_algo = FF_IDCT_ARM;
#endif
}
if(idct_algo==FF_IDCT_ARM){
c->idct_put= j_rev_dct_ARM_put;
c->idct_add= j_rev_dct_ARM_add;
c->idct = j_rev_dct_ARM;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
} else if (idct_algo==FF_IDCT_SIMPLEARM){
c->idct_put= simple_idct_ARM_put;
c->idct_add= simple_idct_ARM_add;
c->idct = simple_idct_ARM;
c->idct_permutation_type= FF_NO_IDCT_PERM;
#if HAVE_ARMV6
} else if (idct_algo==FF_IDCT_SIMPLEARMV6){
c->idct_put= ff_simple_idct_put_armv6;
c->idct_add= ff_simple_idct_add_armv6;
c->idct = ff_simple_idct_armv6;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
#endif
#if HAVE_ARMV5TE
} else if (idct_algo==FF_IDCT_SIMPLEARMV5TE){
c->idct_put= simple_idct_put_armv5te;
c->idct_add= simple_idct_add_armv5te;
c->idct = simple_idct_armv5te;
c->idct_permutation_type = FF_NO_IDCT_PERM;
#endif
#if HAVE_IPP
} else if (idct_algo==FF_IDCT_IPP){
c->idct_put= simple_idct_ipp_put;
c->idct_add= simple_idct_ipp_add;
c->idct = simple_idct_ipp;
c->idct_permutation_type= FF_NO_IDCT_PERM;
#endif
#if HAVE_NEON
} else if (idct_algo==FF_IDCT_SIMPLENEON){
c->idct_put= ff_simple_idct_put_neon;
c->idct_add= ff_simple_idct_add_neon;
c->idct = ff_simple_idct_neon;
c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
#endif
}
}
c->put_pixels_tab[0][0] = put_pixels16_arm;
c->put_pixels_tab[0][1] = put_pixels16_x2_arm;
c->put_pixels_tab[0][2] = put_pixels16_y2_arm;
c->put_pixels_tab[0][3] = put_pixels16_xy2_arm;
c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm;
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm;
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm;
c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm;
c->put_pixels_tab[1][0] = put_pixels8_arm;
c->put_pixels_tab[1][1] = put_pixels8_x2_arm;
c->put_pixels_tab[1][2] = put_pixels8_y2_arm;
c->put_pixels_tab[1][3] = put_pixels8_xy2_arm;
c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;
c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm;
c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm;
c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;
#if HAVE_ARMV5TE
c->prefetch = ff_prefetch_arm;
#endif
#if HAVE_IWMMXT
dsputil_init_iwmmxt(c, avctx);
#endif
#if HAVE_ARMVFP
ff_float_init_arm_vfp(c, avctx);
#endif
#if HAVE_NEON
ff_dsputil_init_neon(c, avctx);
#endif
}