PeerStreamer

/*

 * 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"

#include "dsputil_arm.h"

void ff_j_rev_dct_arm(DCTELEM *data);

void ff_simple_idct_arm(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 ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

CALL_2X_PIXELS(ff_put_pixels16_x2_arm,         ff_put_pixels8_x2_arm,        8)

CALL_2X_PIXELS(ff_put_pixels16_y2_arm,         ff_put_pixels8_y2_arm,        8)

CALL_2X_PIXELS(ff_put_pixels16_xy2_arm,        ff_put_pixels8_xy2_arm,       8)

CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm,  ff_put_no_rnd_pixels8_x2_arm, 8)

CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm,  ff_put_no_rnd_pixels8_y2_arm, 8)

CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)

void ff_add_pixels_clamped_arm(const DCTELEM *block, uint8_t *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)

{

    ff_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)

{

    ff_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)

{

    ff_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)

{

    ff_simple_idct_arm (block);

    ff_add_pixels_clamped(block, dest, line_size);

}

void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)

{

    const int h264_high_depth = avctx->codec_id == CODEC_ID_H264 && avctx->bits_per_raw_sample > 8;

    ff_put_pixels_clamped = c->put_pixels_clamped;

    ff_add_pixels_clamped = c->add_pixels_clamped;

    if (!avctx->lowres) {

        if(avctx->idct_algo == FF_IDCT_AUTO ||

           avctx->idct_algo == FF_IDCT_ARM){

            c->idct_put              = j_rev_dct_arm_put;

            c->idct_add              = j_rev_dct_arm_add;

            c->idct                  = ff_j_rev_dct_arm;

            c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;

        } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){

            c->idct_put              = simple_idct_arm_put;

            c->idct_add              = simple_idct_arm_add;

            c->idct                  = ff_simple_idct_arm;

            c->idct_permutation_type = FF_NO_IDCT_PERM;

        }

    }

    c->add_pixels_clamped = ff_add_pixels_clamped_arm;

    if (!h264_high_depth) {

    c->put_pixels_tab[0][0] = ff_put_pixels16_arm;

    c->put_pixels_tab[0][1] = ff_put_pixels16_x2_arm;

    c->put_pixels_tab[0][2] = ff_put_pixels16_y2_arm;

    c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_arm;

    c->put_pixels_tab[1][0] = ff_put_pixels8_arm;

    c->put_pixels_tab[1][1] = ff_put_pixels8_x2_arm;

    c->put_pixels_tab[1][2] = ff_put_pixels8_y2_arm;

    c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_arm;

    c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_arm;

    c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_arm;

    c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_arm;

    c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_arm;

    c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_arm;

    c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_arm;

    c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_arm;

    c->put_no_rnd_pixels_tab[1][3] = ff_put_no_rnd_pixels8_xy2_arm;

    }

    if (HAVE_ARMV5TE) ff_dsputil_init_armv5te(c, avctx);

    if (HAVE_ARMV6)   ff_dsputil_init_armv6(c, avctx);

    if (HAVE_IWMMXT)  ff_dsputil_init_iwmmxt(c, avctx);

    if (HAVE_ARMVFP)  ff_dsputil_init_vfp(c, avctx);

    if (HAVE_NEON)    ff_dsputil_init_neon(c, avctx);

}