/*
 * Sun mediaLib optimized DSP utils
 * Copyright (c) 2001 Fabrice Bellard.
 *
 * This library 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 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include "../dsputil.h"
#include "../mpegvideo.h"

#include <mlib_types.h>
#include <mlib_status.h>
#include <mlib_sys.h>
#include <mlib_algebra.h>
#include <mlib_video.h>

static void get_pixels_mlib(DCTELEM *restrict block, const UINT8 *pixels, int line_size)
{
  int i;

  for (i=0;i<8;i++) {
    mlib_VectorConvert_S16_U8_Mod((mlib_s16 *)block, (mlib_u8 *)pixels, 8);

    pixels += line_size;
    block += 8;
  }
}

static void diff_pixels_mlib(DCTELEM *restrict block, const UINT8 *s1, const UINT8 *s2, int line_size)
{
  int i;

  for (i=0;i<8;i++) {
    mlib_VectorSub_S16_U8_Mod((mlib_s16 *)block, (mlib_u8 *)s1, (mlib_u8 *)s2, 8);

    s1 += line_size;
    s2 += line_size;
    block += 8;
  }
}

static void put_pixels_clamped_mlib(const DCTELEM *block, UINT8 *restrict pixels, int line_size)
{
  int i;

  for(i=0;i<8;i++) {
    mlib_VectorConvert_U8_S16_Sat(pixels, (mlib_s16 *)block, 8);

    pixels += line_size;
    block += 8;
  }
}

static void add_pixels_clamped_mlib(const DCTELEM *block, UINT8 *restrict pixels, int line_size)
{
  mlib_VideoAddBlock_U8_S16(pixels, (mlib_s16 *)block, line_size);
}

static void put_pixels16_mlib (uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoCopyRef_U8_U8_16x16(dest, (uint8_t *)ref, stride);
  }
  else {
    mlib_VideoCopyRef_U8_U8_16x8 (dest, (uint8_t *)ref, stride);
  }
}

static void put_pixels16_x2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpX_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpX_U8_U8_16x8 (dest, (uint8_t *)ref, stride, stride);
  }
}

static void put_pixels16_y2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpY_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpY_U8_U8_16x8 (dest, (uint8_t *)ref, stride, stride);
  }
}

static void put_pixels16_xy2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpXY_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpXY_U8_U8_16x8 (dest, (uint8_t *)ref, stride, stride);
  }
}

static void put_pixels8_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoCopyRef_U8_U8_8x16(dest, (uint8_t *)ref, stride);
  }
  else {
    mlib_VideoCopyRef_U8_U8_8x8 (dest, (uint8_t *)ref, stride);
  }
}

static void put_pixels8_x2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpX_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpX_U8_U8_8x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void put_pixels8_y2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpY_U8_U8_8x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void put_pixels8_xy2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpXY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpXY_U8_U8_8x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels16_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16){
    mlib_VideoCopyRefAve_U8_U8_16x16(dest, (uint8_t *)ref, stride);
  }
  else {
    mlib_VideoCopyRefAve_U8_U8_16x8(dest, (uint8_t *)ref, stride);
  }
}

static void avg_pixels16_x2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveX_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveX_U8_U8_16x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels16_y2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveY_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveY_U8_U8_16x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels16_xy2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveXY_U8_U8_16x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveXY_U8_U8_16x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels8_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoCopyRefAve_U8_U8_8x16(dest, (uint8_t *)ref, stride);
  }
  else {
    mlib_VideoCopyRefAve_U8_U8_8x8(dest, (uint8_t *)ref, stride);
  }
}

static void avg_pixels8_x2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveX_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveX_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels8_y2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveY_U8_U8_8x8(dest, (uint8_t *)ref, stride, stride);
  }
}

static void avg_pixels8_xy2_mlib(uint8_t *dest, const uint8_t *ref, int stride, int height)
{
  assert(height == 16 || height == 8);
  if (height == 16) {
    mlib_VideoInterpAveXY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
  }
  else {
    mlib_VideoInterpAveXY_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
  }
}

void dsputil_init_mlib(DSPContext* c, unsigned mask)
{
  c->get_pixels = get_pixels_mlib;
  c->diff_pixels = diff_pixels_mlib;

  c->put_pixels_clamped = put_pixels_clamped_mlib;
  c->add_pixels_clamped = add_pixels_clamped_mlib;

  c->put_pixels_tab[0][0] = put_pixels16_mlib;
  c->put_pixels_tab[0][1] = put_pixels16_x2_mlib; 
  c->put_pixels_tab[0][2] = put_pixels16_y2_mlib;
  c->put_pixels_tab[0][3] = put_pixels16_xy2_mlib;
  c->put_pixels_tab[1][0] = put_pixels8_mlib;
  c->put_pixels_tab[1][1] = put_pixels8_x2_mlib;
  c->put_pixels_tab[1][2] = put_pixels8_y2_mlib;
  c->put_pixels_tab[1][3] = put_pixels8_xy2_mlib;

  c->avg_pixels_tab[0][0] = avg_pixels16_mlib;
  c->avg_pixels_tab[0][1] = avg_pixels16_x2_mlib;
  c->avg_pixels_tab[0][2] = avg_pixels16_y2_mlib;
  c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mlib; 
  c->avg_pixels_tab[1][0] = avg_pixels8_mlib;
  c->avg_pixels_tab[1][1] = avg_pixels8_x2_mlib;
  c->avg_pixels_tab[1][2] = avg_pixels8_y2_mlib;
  c->avg_pixels_tab[1][3] = avg_pixels8_xy2_mlib;
}

static void ff_fdct_mlib(DCTELEM *data)
{
  mlib_VideoDCT8x8_S16_S16(data, data);
}

static void ff_idct_put_mlib(UINT8 *dest, int line_size, DCTELEM *data)
{
  mlib_VideoIDCT8x8_S16_S16(data, data);
  put_pixels_clamped_mlib(data, dest, line_size);
}

static void ff_idct_add_mlib(UINT8 *dest, int line_size, DCTELEM *data)
{
  mlib_VideoIDCT8x8_S16_S16(data, data);
  add_pixels_clamped_mlib(data, dest, line_size);
}

void MPV_common_init_mlib(MpegEncContext *s)
{
  if(s->avctx->dct_algo==FF_DCT_AUTO || s->avctx->dct_algo==FF_DCT_MLIB) {
    s->fdct = ff_fdct_mlib;
  }

  if (s->avctx->idct_algo==FF_IDCT_AUTO || s->avctx->idct_algo==FF_IDCT_MLIB) {
    s->idct_put = ff_idct_put_mlib;
    s->idct_add = ff_idct_add_mlib; 
    s->idct_permutation_type = FF_NO_IDCT_PERM;
  }
}