vp9_encodemb.c

/*
 *  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 "./vp9_rtcd.h"
#include "./vpx_config.h"

#include "vpx_mem/vpx_mem.h"

#include "vp9/common/vp9_idct.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_systemdependent.h"

#include "vp9/encoder/vp9_encodemb.h"
#include "vp9/encoder/vp9_quantize.h"
#include "vp9/encoder/vp9_rdopt.h"
#include "vp9/encoder/vp9_tokenize.h"

struct optimize_ctx {
  ENTROPY_CONTEXT ta[MAX_MB_PLANE][16];
  ENTROPY_CONTEXT tl[MAX_MB_PLANE][16];
};

struct encode_b_args {
  MACROBLOCK *x;
  struct optimize_ctx *ctx;
  unsigned char *skip;
};

void vp9_subtract_block_c(int rows, int cols,
                          int16_t *diff, ptrdiff_t diff_stride,
                          const uint8_t *src, ptrdiff_t src_stride,
                          const uint8_t *pred, ptrdiff_t pred_stride) {
  int r, c;

  for (r = 0; r < rows; r++) {
    for (c = 0; c < cols; c++)
      diff[c] = src[c] - pred[c];

    diff += diff_stride;
    pred += pred_stride;
    src  += src_stride;
  }
}

void vp9_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
  struct macroblock_plane *const p = &x->plane[plane];
  const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane];
  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
  const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
  const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];

  vp9_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
                     pd->dst.buf, pd->dst.stride);
}

#define RDTRUNC(RM, DM, R, D) ((128 + (R) * (RM)) & 0xFF)

typedef struct vp9_token_state {
  int           rate;
  int           error;
  int           next;