shithub: libvpx

ref: f6c5410cd407a0e956edef406826baa3719b8cb2
dir: /vp8/encoder/x86/vp8_enc_stubs_mmx.c/

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/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "vpx_config.h"
#include "vp8_rtcd.h"
#include "vpx_ports/x86.h"
#include "vp8/encoder/block.h"

void vp8_short_fdct4x4_mmx(short *input, short *output, int pitch);
void vp8_short_fdct8x4_mmx(short *input, short *output, int pitch) {
  vp8_short_fdct4x4_mmx(input, output, pitch);
  vp8_short_fdct4x4_mmx(input + 4, output + 16, pitch);
}

int vp8_fast_quantize_b_impl_mmx(short *coeff_ptr, short *zbin_ptr,
                                 short *qcoeff_ptr, short *dequant_ptr,
                                 const short *scan_mask, short *round_ptr,
                                 short *quant_ptr, short *dqcoeff_ptr);
void vp8_fast_quantize_b_mmx(BLOCK *b, BLOCKD *d) {
  const short *scan_mask = vp8_default_zig_zag_mask;
  short *coeff_ptr = b->coeff;
  short *zbin_ptr = b->zbin;
  short *round_ptr = b->round;
  short *quant_ptr = b->quant_fast;
  short *qcoeff_ptr = d->qcoeff;
  short *dqcoeff_ptr = d->dqcoeff;
  short *dequant_ptr = d->dequant;

  *d->eob = (char)vp8_fast_quantize_b_impl_mmx(
      coeff_ptr, zbin_ptr, qcoeff_ptr, dequant_ptr, scan_mask,

      round_ptr, quant_ptr, dqcoeff_ptr);
}

int vp8_mbblock_error_mmx_impl(short *coeff_ptr, short *dcoef_ptr, int dc);
int vp8_mbblock_error_mmx(MACROBLOCK *mb, int dc) {
  short *coeff_ptr = mb->block[0].coeff;
  short *dcoef_ptr = mb->e_mbd.block[0].dqcoeff;
  return vp8_mbblock_error_mmx_impl(coeff_ptr, dcoef_ptr, dc);
}

int vp8_mbuverror_mmx_impl(short *s_ptr, short *d_ptr);
int vp8_mbuverror_mmx(MACROBLOCK *mb) {
  short *s_ptr = &mb->coeff[256];
  short *d_ptr = &mb->e_mbd.dqcoeff[256];
  return vp8_mbuverror_mmx_impl(s_ptr, d_ptr);
}