| Index: source/libvpx/vp9/decoder/vp9_decodeframe.c
 | 
| ===================================================================
 | 
| --- source/libvpx/vp9/decoder/vp9_decodeframe.c	(revision 263011)
 | 
| +++ source/libvpx/vp9/decoder/vp9_decodeframe.c	(working copy)
 | 
| @@ -33,9 +33,9 @@
 | 
|  #include "vp9/decoder/vp9_decodeframe.h"
 | 
|  #include "vp9/decoder/vp9_detokenize.h"
 | 
|  #include "vp9/decoder/vp9_decodemv.h"
 | 
| +#include "vp9/decoder/vp9_decoder.h"
 | 
|  #include "vp9/decoder/vp9_dsubexp.h"
 | 
|  #include "vp9/decoder/vp9_dthread.h"
 | 
| -#include "vp9/decoder/vp9_onyxd_int.h"
 | 
|  #include "vp9/decoder/vp9_read_bit_buffer.h"
 | 
|  #include "vp9/decoder/vp9_reader.h"
 | 
|  #include "vp9/decoder/vp9_thread.h"
 | 
| @@ -146,7 +146,7 @@
 | 
|  static void update_mv_probs(vp9_prob *p, int n, vp9_reader *r) {
 | 
|    int i;
 | 
|    for (i = 0; i < n; ++i)
 | 
| -    if (vp9_read(r, NMV_UPDATE_PROB))
 | 
| +    if (vp9_read(r, MV_UPDATE_PROB))
 | 
|        p[i] = (vp9_read_literal(r, 7) << 1) | 1;
 | 
|  }
 | 
|  
 | 
| @@ -187,54 +187,13 @@
 | 
|      xd->plane[i].dequant = cm->uv_dequant[q_index];
 | 
|  }
 | 
|  
 | 
| -// Allocate storage for each tile column.
 | 
| -// TODO(jzern): when max_threads <= 1 the same storage could be used for each
 | 
| -// tile.
 | 
| -static void alloc_tile_storage(VP9D_COMP *pbi, int tile_rows, int tile_cols) {
 | 
| -  VP9_COMMON *const cm = &pbi->common;
 | 
| -  const int aligned_mi_cols = mi_cols_aligned_to_sb(cm->mi_cols);
 | 
| -  int i, tile_row, tile_col;
 | 
| -
 | 
| -  CHECK_MEM_ERROR(cm, pbi->mi_streams,
 | 
| -                  vpx_realloc(pbi->mi_streams, tile_rows * tile_cols *
 | 
| -                              sizeof(*pbi->mi_streams)));
 | 
| -  for (tile_row = 0; tile_row < tile_rows; ++tile_row) {
 | 
| -    for (tile_col = 0; tile_col < tile_cols; ++tile_col) {
 | 
| -      TileInfo tile;
 | 
| -      vp9_tile_init(&tile, cm, tile_row, tile_col);
 | 
| -      pbi->mi_streams[tile_row * tile_cols + tile_col] =
 | 
| -          &cm->mi[tile.mi_row_start * cm->mode_info_stride
 | 
| -                  + tile.mi_col_start];
 | 
| -    }
 | 
| -  }
 | 
| -
 | 
| -  // 2 contexts per 'mi unit', so that we have one context per 4x4 txfm
 | 
| -  // block where mi unit size is 8x8.
 | 
| -  CHECK_MEM_ERROR(cm, pbi->above_context[0],
 | 
| -                  vpx_realloc(pbi->above_context[0],
 | 
| -                              sizeof(*pbi->above_context[0]) * MAX_MB_PLANE *
 | 
| -                              2 * aligned_mi_cols));
 | 
| -  for (i = 1; i < MAX_MB_PLANE; ++i) {
 | 
| -    pbi->above_context[i] = pbi->above_context[0] +
 | 
| -                            i * sizeof(*pbi->above_context[0]) *
 | 
| -                            2 * aligned_mi_cols;
 | 
| -  }
 | 
| -
 | 
| -  // This is sized based on the entire frame. Each tile operates within its
 | 
| -  // column bounds.
 | 
| -  CHECK_MEM_ERROR(cm, pbi->above_seg_context,
 | 
| -                  vpx_realloc(pbi->above_seg_context,
 | 
| -                              sizeof(*pbi->above_seg_context) *
 | 
| -                              aligned_mi_cols));
 | 
| -}
 | 
| -
 | 
|  static void inverse_transform_block(MACROBLOCKD* xd, int plane, int block,
 | 
|                                      TX_SIZE tx_size, uint8_t *dst, int stride,
 | 
|                                      int eob) {
 | 
|    struct macroblockd_plane *const pd = &xd->plane[plane];
 | 
|    if (eob > 0) {
 | 
|      TX_TYPE tx_type;
 | 
| -    const int plane_type = pd->plane_type;
 | 
| +    const PLANE_TYPE plane_type = pd->plane_type;
 | 
|      int16_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
 | 
|      switch (tx_size) {
 | 
|        case TX_4X4:
 | 
| @@ -245,11 +204,11 @@
 | 
|            vp9_iht4x4_16_add(dqcoeff, dst, stride, tx_type);
 | 
|          break;
 | 
|        case TX_8X8:
 | 
| -        tx_type = get_tx_type_8x8(plane_type, xd);
 | 
| +        tx_type = get_tx_type(plane_type, xd);
 | 
|          vp9_iht8x8_add(tx_type, dqcoeff, dst, stride, eob);
 | 
|          break;
 | 
|        case TX_16X16:
 | 
| -        tx_type = get_tx_type_16x16(plane_type, xd);
 | 
| +        tx_type = get_tx_type(plane_type, xd);
 | 
|          vp9_iht16x16_add(tx_type, dqcoeff, dst, stride, eob);
 | 
|          break;
 | 
|        case TX_32X32:
 | 
| @@ -282,11 +241,11 @@
 | 
|  static void predict_and_reconstruct_intra_block(int plane, int block,
 | 
|                                                  BLOCK_SIZE plane_bsize,
 | 
|                                                  TX_SIZE tx_size, void *arg) {
 | 
| -  struct intra_args *const args = arg;
 | 
| +  struct intra_args *const args = (struct intra_args *)arg;
 | 
|    VP9_COMMON *const cm = args->cm;
 | 
|    MACROBLOCKD *const xd = args->xd;
 | 
|    struct macroblockd_plane *const pd = &xd->plane[plane];
 | 
| -  MODE_INFO *const mi = xd->mi_8x8[0];
 | 
| +  MODE_INFO *const mi = xd->mi[0];
 | 
|    const MB_PREDICTION_MODE mode = (plane == 0) ? get_y_mode(mi, block)
 | 
|                                                 : mi->mbmi.uv_mode;
 | 
|    int x, y;
 | 
| @@ -318,7 +277,7 @@
 | 
|  static void reconstruct_inter_block(int plane, int block,
 | 
|                                      BLOCK_SIZE plane_bsize,
 | 
|                                      TX_SIZE tx_size, void *arg) {
 | 
| -  struct inter_args *args = arg;
 | 
| +  struct inter_args *args = (struct inter_args *)arg;
 | 
|    VP9_COMMON *const cm = args->cm;
 | 
|    MACROBLOCKD *const xd = args->xd;
 | 
|    struct macroblockd_plane *const pd = &xd->plane[plane];
 | 
| @@ -332,67 +291,57 @@
 | 
|    *args->eobtotal += eob;
 | 
|  }
 | 
|  
 | 
| -static void set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| -                        const TileInfo *const tile,
 | 
| -                        BLOCK_SIZE bsize, int mi_row, int mi_col) {
 | 
| +static MB_MODE_INFO *set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| +                                 const TileInfo *const tile,
 | 
| +                                 BLOCK_SIZE bsize, int mi_row, int mi_col) {
 | 
|    const int bw = num_8x8_blocks_wide_lookup[bsize];
 | 
|    const int bh = num_8x8_blocks_high_lookup[bsize];
 | 
|    const int x_mis = MIN(bw, cm->mi_cols - mi_col);
 | 
|    const int y_mis = MIN(bh, cm->mi_rows - mi_row);
 | 
| -  const int offset = mi_row * cm->mode_info_stride + mi_col;
 | 
| -  const int tile_offset = tile->mi_row_start * cm->mode_info_stride +
 | 
| -                          tile->mi_col_start;
 | 
| +  const int offset = mi_row * cm->mi_stride + mi_col;
 | 
|    int x, y;
 | 
|  
 | 
| -  xd->mi_8x8 = cm->mi_grid_visible + offset;
 | 
| -  xd->prev_mi_8x8 = cm->prev_mi_grid_visible + offset;
 | 
| -
 | 
| -  xd->last_mi = cm->coding_use_prev_mi && cm->prev_mi ?
 | 
| -      xd->prev_mi_8x8[0] : NULL;
 | 
| -
 | 
| -  xd->mi_8x8[0] = xd->mi_stream + offset - tile_offset;
 | 
| -  xd->mi_8x8[0]->mbmi.sb_type = bsize;
 | 
| +  xd->mi = cm->mi_grid_visible + offset;
 | 
| +  xd->mi[0] = &cm->mi[offset];
 | 
| +  xd->mi[0]->mbmi.sb_type = bsize;
 | 
|    for (y = 0; y < y_mis; ++y)
 | 
|      for (x = !y; x < x_mis; ++x)
 | 
| -      xd->mi_8x8[y * cm->mode_info_stride + x] = xd->mi_8x8[0];
 | 
| +      xd->mi[y * cm->mi_stride + x] = xd->mi[0];
 | 
|  
 | 
| -  set_skip_context(xd, xd->above_context, xd->left_context, mi_row, mi_col);
 | 
| +  set_skip_context(xd, mi_row, mi_col);
 | 
|  
 | 
|    // Distance of Mb to the various image edges. These are specified to 8th pel
 | 
|    // as they are always compared to values that are in 1/8th pel units
 | 
|    set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw, cm->mi_rows, cm->mi_cols);
 | 
|  
 | 
| -  setup_dst_planes(xd, get_frame_new_buffer(cm), mi_row, mi_col);
 | 
| +  vp9_setup_dst_planes(xd, get_frame_new_buffer(cm), mi_row, mi_col);
 | 
| +  return &xd->mi[0]->mbmi;
 | 
|  }
 | 
|  
 | 
|  static void set_ref(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
|                      int idx, int mi_row, int mi_col) {
 | 
| -  MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
 | 
| +  MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
 | 
|    RefBuffer *ref_buffer = &cm->frame_refs[mbmi->ref_frame[idx] - LAST_FRAME];
 | 
|    xd->block_refs[idx] = ref_buffer;
 | 
|    if (!vp9_is_valid_scale(&ref_buffer->sf))
 | 
|      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
 | 
|                         "Invalid scale factors");
 | 
| -  setup_pre_planes(xd, idx, ref_buffer->buf, mi_row, mi_col, &ref_buffer->sf);
 | 
| +  vp9_setup_pre_planes(xd, idx, ref_buffer->buf, mi_row, mi_col,
 | 
| +                       &ref_buffer->sf);
 | 
|    xd->corrupted |= ref_buffer->buf->corrupted;
 | 
|  }
 | 
|  
 | 
| -static void decode_modes_b(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| -                           const TileInfo *const tile,
 | 
| -                           int mi_row, int mi_col,
 | 
| -                           vp9_reader *r, BLOCK_SIZE bsize) {
 | 
| +static void decode_block(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| +                         const TileInfo *const tile,
 | 
| +                         int mi_row, int mi_col,
 | 
| +                         vp9_reader *r, BLOCK_SIZE bsize) {
 | 
|    const int less8x8 = bsize < BLOCK_8X8;
 | 
| -  MB_MODE_INFO *mbmi;
 | 
| -
 | 
| -  set_offsets(cm, xd, tile, bsize, mi_row, mi_col);
 | 
| +  MB_MODE_INFO *mbmi = set_offsets(cm, xd, tile, bsize, mi_row, mi_col);
 | 
|    vp9_read_mode_info(cm, xd, tile, mi_row, mi_col, r);
 | 
|  
 | 
|    if (less8x8)
 | 
|      bsize = BLOCK_8X8;
 | 
|  
 | 
| -  // Has to be called after set_offsets
 | 
| -  mbmi = &xd->mi_8x8[0]->mbmi;
 | 
| -
 | 
|    if (mbmi->skip) {
 | 
|      reset_skip_context(xd, bsize);
 | 
|    } else {
 | 
| @@ -411,8 +360,6 @@
 | 
|      if (has_second_ref(mbmi))
 | 
|        set_ref(cm, xd, 1, mi_row, mi_col);
 | 
|  
 | 
| -    xd->interp_kernel = vp9_get_interp_kernel(mbmi->interp_filter);
 | 
| -
 | 
|      // Prediction
 | 
|      vp9_dec_build_inter_predictors_sb(xd, mi_row, mi_col, bsize);
 | 
|  
 | 
| @@ -432,16 +379,14 @@
 | 
|  static PARTITION_TYPE read_partition(VP9_COMMON *cm, MACROBLOCKD *xd, int hbs,
 | 
|                                       int mi_row, int mi_col, BLOCK_SIZE bsize,
 | 
|                                       vp9_reader *r) {
 | 
| -  const int ctx = partition_plane_context(xd->above_seg_context,
 | 
| -                                          xd->left_seg_context,
 | 
| -                                          mi_row, mi_col, bsize);
 | 
| +  const int ctx = partition_plane_context(xd, mi_row, mi_col, bsize);
 | 
|    const vp9_prob *const probs = get_partition_probs(cm, ctx);
 | 
|    const int has_rows = (mi_row + hbs) < cm->mi_rows;
 | 
|    const int has_cols = (mi_col + hbs) < cm->mi_cols;
 | 
|    PARTITION_TYPE p;
 | 
|  
 | 
|    if (has_rows && has_cols)
 | 
| -    p = vp9_read_tree(r, vp9_partition_tree, probs);
 | 
| +    p = (PARTITION_TYPE)vp9_read_tree(r, vp9_partition_tree, probs);
 | 
|    else if (!has_rows && has_cols)
 | 
|      p = vp9_read(r, probs[1]) ? PARTITION_SPLIT : PARTITION_HORZ;
 | 
|    else if (has_rows && !has_cols)
 | 
| @@ -455,10 +400,10 @@
 | 
|    return p;
 | 
|  }
 | 
|  
 | 
| -static void decode_modes_sb(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| -                            const TileInfo *const tile,
 | 
| -                            int mi_row, int mi_col,
 | 
| -                            vp9_reader* r, BLOCK_SIZE bsize) {
 | 
| +static void decode_partition(VP9_COMMON *const cm, MACROBLOCKD *const xd,
 | 
| +                             const TileInfo *const tile,
 | 
| +                             int mi_row, int mi_col,
 | 
| +                             vp9_reader* r, BLOCK_SIZE bsize) {
 | 
|    const int hbs = num_8x8_blocks_wide_lookup[bsize] / 2;
 | 
|    PARTITION_TYPE partition;
 | 
|    BLOCK_SIZE subsize;
 | 
| @@ -469,27 +414,27 @@
 | 
|    partition = read_partition(cm, xd, hbs, mi_row, mi_col, bsize, r);
 | 
|    subsize = get_subsize(bsize, partition);
 | 
|    if (subsize < BLOCK_8X8) {
 | 
| -    decode_modes_b(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
| +    decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
|    } else {
 | 
|      switch (partition) {
 | 
|        case PARTITION_NONE:
 | 
| -        decode_modes_b(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
| +        decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
|          break;
 | 
|        case PARTITION_HORZ:
 | 
| -        decode_modes_b(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
| +        decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
|          if (mi_row + hbs < cm->mi_rows)
 | 
| -          decode_modes_b(cm, xd, tile, mi_row + hbs, mi_col, r, subsize);
 | 
| +          decode_block(cm, xd, tile, mi_row + hbs, mi_col, r, subsize);
 | 
|          break;
 | 
|        case PARTITION_VERT:
 | 
| -        decode_modes_b(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
| +        decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
|          if (mi_col + hbs < cm->mi_cols)
 | 
| -          decode_modes_b(cm, xd, tile, mi_row, mi_col + hbs, r, subsize);
 | 
| +          decode_block(cm, xd, tile, mi_row, mi_col + hbs, r, subsize);
 | 
|          break;
 | 
|        case PARTITION_SPLIT:
 | 
| -        decode_modes_sb(cm, xd, tile, mi_row, mi_col, r, subsize);
 | 
| -        decode_modes_sb(cm, xd, tile, mi_row, mi_col + hbs, r, subsize);
 | 
| -        decode_modes_sb(cm, xd, tile, mi_row + hbs, mi_col, r, subsize);
 | 
| -        decode_modes_sb(cm, xd, tile, mi_row + hbs, mi_col + hbs, r, subsize);
 | 
| +        decode_partition(cm, xd, tile, mi_row,       mi_col,       r, subsize);
 | 
| +        decode_partition(cm, xd, tile, mi_row,       mi_col + hbs, r, subsize);
 | 
| +        decode_partition(cm, xd, tile, mi_row + hbs, mi_col,       r, subsize);
 | 
| +        decode_partition(cm, xd, tile, mi_row + hbs, mi_col + hbs, r, subsize);
 | 
|          break;
 | 
|        default:
 | 
|          assert(0 && "Invalid partition type");
 | 
| @@ -499,8 +444,7 @@
 | 
|    // update partition context
 | 
|    if (bsize >= BLOCK_8X8 &&
 | 
|        (bsize == BLOCK_8X8 || partition != PARTITION_SPLIT))
 | 
| -    update_partition_context(xd->above_seg_context, xd->left_seg_context,
 | 
| -                             mi_row, mi_col, subsize, bsize);
 | 
| +    update_partition_context(xd, mi_row, mi_col, subsize, bsize);
 | 
|  }
 | 
|  
 | 
|  static void setup_token_decoder(const uint8_t *data,
 | 
| @@ -668,9 +612,7 @@
 | 
|      read_frame_size(rb, &cm->display_width, &cm->display_height);
 | 
|  }
 | 
|  
 | 
| -static void apply_frame_size(VP9D_COMP *pbi, int width, int height) {
 | 
| -  VP9_COMMON *cm = &pbi->common;
 | 
| -
 | 
| +static void apply_frame_size(VP9_COMMON *cm, int width, int height) {
 | 
|    if (cm->width != width || cm->height != height) {
 | 
|      // Change in frame size.
 | 
|      // TODO(agrange) Don't test width/height, check overall size.
 | 
| @@ -697,18 +639,15 @@
 | 
|    }
 | 
|  }
 | 
|  
 | 
| -static void setup_frame_size(VP9D_COMP *pbi,
 | 
| -                             struct vp9_read_bit_buffer *rb) {
 | 
| +static void setup_frame_size(VP9_COMMON *cm, struct vp9_read_bit_buffer *rb) {
 | 
|    int width, height;
 | 
|    read_frame_size(rb, &width, &height);
 | 
| -  apply_frame_size(pbi, width, height);
 | 
| -  setup_display_size(&pbi->common, rb);
 | 
| +  apply_frame_size(cm, width, height);
 | 
| +  setup_display_size(cm, rb);
 | 
|  }
 | 
|  
 | 
| -static void setup_frame_size_with_refs(VP9D_COMP *pbi,
 | 
| +static void setup_frame_size_with_refs(VP9_COMMON *cm,
 | 
|                                         struct vp9_read_bit_buffer *rb) {
 | 
| -  VP9_COMMON *const cm = &pbi->common;
 | 
| -
 | 
|    int width, height;
 | 
|    int found = 0, i;
 | 
|    for (i = 0; i < REFS_PER_FRAME; ++i) {
 | 
| @@ -728,24 +667,11 @@
 | 
|      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
 | 
|                         "Referenced frame with invalid size");
 | 
|  
 | 
| -  apply_frame_size(pbi, width, height);
 | 
| +  apply_frame_size(cm, width, height);
 | 
|    setup_display_size(cm, rb);
 | 
|  }
 | 
|  
 | 
| -static void setup_tile_context(VP9D_COMP *const pbi, MACROBLOCKD *const xd,
 | 
| -                               int tile_row, int tile_col) {
 | 
| -  int i;
 | 
| -  const int tile_cols = 1 << pbi->common.log2_tile_cols;
 | 
| -  xd->mi_stream = pbi->mi_streams[tile_row * tile_cols + tile_col];
 | 
| -
 | 
| -  for (i = 0; i < MAX_MB_PLANE; ++i) {
 | 
| -    xd->above_context[i] = pbi->above_context[i];
 | 
| -  }
 | 
| -  // see note in alloc_tile_storage().
 | 
| -  xd->above_seg_context = pbi->above_seg_context;
 | 
| -}
 | 
| -
 | 
| -static void decode_tile(VP9D_COMP *pbi, const TileInfo *const tile,
 | 
| +static void decode_tile(VP9Decoder *pbi, const TileInfo *const tile,
 | 
|                          vp9_reader *r) {
 | 
|    const int num_threads = pbi->oxcf.max_threads;
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
| @@ -769,7 +695,7 @@
 | 
|      vp9_zero(xd->left_seg_context);
 | 
|      for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end;
 | 
|           mi_col += MI_BLOCK_SIZE) {
 | 
| -      decode_modes_sb(cm, xd, tile, mi_row, mi_col, r, BLOCK_64X64);
 | 
| +      decode_partition(cm, xd, tile, mi_row, mi_col, r, BLOCK_64X64);
 | 
|      }
 | 
|  
 | 
|      if (pbi->do_loopfilter_inline) {
 | 
| @@ -850,15 +776,15 @@
 | 
|    int col;  // only used with multi-threaded decoding
 | 
|  } TileBuffer;
 | 
|  
 | 
| -static const uint8_t *decode_tiles(VP9D_COMP *pbi, const uint8_t *data) {
 | 
| +static const uint8_t *decode_tiles(VP9Decoder *pbi,
 | 
| +                                   const uint8_t *data,
 | 
| +                                   const uint8_t *data_end) {
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
| -  MACROBLOCKD *const xd = &pbi->mb;
 | 
|    const int aligned_cols = mi_cols_aligned_to_sb(cm->mi_cols);
 | 
|    const int tile_cols = 1 << cm->log2_tile_cols;
 | 
|    const int tile_rows = 1 << cm->log2_tile_rows;
 | 
|    TileBuffer tile_buffers[4][1 << 6];
 | 
|    int tile_row, tile_col;
 | 
| -  const uint8_t *const data_end = pbi->source + pbi->source_sz;
 | 
|    const uint8_t *end = NULL;
 | 
|    vp9_reader r;
 | 
|  
 | 
| @@ -867,11 +793,11 @@
 | 
|  
 | 
|    // Note: this memset assumes above_context[0], [1] and [2]
 | 
|    // are allocated as part of the same buffer.
 | 
| -  vpx_memset(pbi->above_context[0], 0,
 | 
| -             sizeof(*pbi->above_context[0]) * MAX_MB_PLANE * 2 * aligned_cols);
 | 
| +  vpx_memset(cm->above_context, 0,
 | 
| +             sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_cols);
 | 
|  
 | 
| -  vpx_memset(pbi->above_seg_context, 0,
 | 
| -             sizeof(*pbi->above_seg_context) * aligned_cols);
 | 
| +  vpx_memset(cm->above_seg_context, 0,
 | 
| +             sizeof(*cm->above_seg_context) * aligned_cols);
 | 
|  
 | 
|    // Load tile data into tile_buffers
 | 
|    for (tile_row = 0; tile_row < tile_rows; ++tile_row) {
 | 
| @@ -898,7 +824,6 @@
 | 
|  
 | 
|        vp9_tile_init(&tile, cm, tile_row, col);
 | 
|        setup_token_decoder(buf->data, data_end, buf->size, &cm->error, &r);
 | 
| -      setup_tile_context(pbi, xd, tile_row, col);
 | 
|        decode_tile(pbi, &tile, &r);
 | 
|  
 | 
|        if (last_tile)
 | 
| @@ -909,17 +834,6 @@
 | 
|    return end;
 | 
|  }
 | 
|  
 | 
| -static void setup_tile_macroblockd(TileWorkerData *const tile_data) {
 | 
| -  MACROBLOCKD *xd = &tile_data->xd;
 | 
| -  struct macroblockd_plane *const pd = xd->plane;
 | 
| -  int i;
 | 
| -
 | 
| -  for (i = 0; i < MAX_MB_PLANE; ++i) {
 | 
| -    pd[i].dqcoeff = tile_data->dqcoeff[i];
 | 
| -    vpx_memset(xd->plane[i].dqcoeff, 0, 64 * 64 * sizeof(int16_t));
 | 
| -  }
 | 
| -}
 | 
| -
 | 
|  static int tile_worker_hook(void *arg1, void *arg2) {
 | 
|    TileWorkerData *const tile_data = (TileWorkerData*)arg1;
 | 
|    const TileInfo *const tile = (TileInfo*)arg2;
 | 
| @@ -931,8 +845,8 @@
 | 
|      vp9_zero(tile_data->xd.left_seg_context);
 | 
|      for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end;
 | 
|           mi_col += MI_BLOCK_SIZE) {
 | 
| -      decode_modes_sb(tile_data->cm, &tile_data->xd, tile,
 | 
| -                      mi_row, mi_col, &tile_data->bit_reader, BLOCK_64X64);
 | 
| +      decode_partition(tile_data->cm, &tile_data->xd, tile,
 | 
| +                       mi_row, mi_col, &tile_data->bit_reader, BLOCK_64X64);
 | 
|      }
 | 
|    }
 | 
|    return !tile_data->xd.corrupted;
 | 
| @@ -951,10 +865,11 @@
 | 
|    }
 | 
|  }
 | 
|  
 | 
| -static const uint8_t *decode_tiles_mt(VP9D_COMP *pbi, const uint8_t *data) {
 | 
| +static const uint8_t *decode_tiles_mt(VP9Decoder *pbi,
 | 
| +                                      const uint8_t *data,
 | 
| +                                      const uint8_t *data_end) {
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
|    const uint8_t *bit_reader_end = NULL;
 | 
| -  const uint8_t *const data_end = pbi->source + pbi->source_sz;
 | 
|    const int aligned_mi_cols = mi_cols_aligned_to_sb(cm->mi_cols);
 | 
|    const int tile_cols = 1 << cm->log2_tile_cols;
 | 
|    const int tile_rows = 1 << cm->log2_tile_rows;
 | 
| @@ -967,12 +882,16 @@
 | 
|    assert(tile_rows == 1);
 | 
|    (void)tile_rows;
 | 
|  
 | 
| -  if (num_workers > pbi->num_tile_workers) {
 | 
| +  // TODO(jzern): See if we can remove the restriction of passing in max
 | 
| +  // threads to the decoder.
 | 
| +  if (pbi->num_tile_workers == 0) {
 | 
| +    const int num_threads = pbi->oxcf.max_threads & ~1;
 | 
|      int i;
 | 
| +    // TODO(jzern): Allocate one less worker, as in the current code we only
 | 
| +    // use num_threads - 1 workers.
 | 
|      CHECK_MEM_ERROR(cm, pbi->tile_workers,
 | 
| -                    vpx_realloc(pbi->tile_workers,
 | 
| -                                num_workers * sizeof(*pbi->tile_workers)));
 | 
| -    for (i = pbi->num_tile_workers; i < num_workers; ++i) {
 | 
| +                    vpx_malloc(num_threads * sizeof(*pbi->tile_workers)));
 | 
| +    for (i = 0; i < num_threads; ++i) {
 | 
|        VP9Worker *const worker = &pbi->tile_workers[i];
 | 
|        ++pbi->num_tile_workers;
 | 
|  
 | 
| @@ -980,7 +899,7 @@
 | 
|        CHECK_MEM_ERROR(cm, worker->data1,
 | 
|                        vpx_memalign(32, sizeof(TileWorkerData)));
 | 
|        CHECK_MEM_ERROR(cm, worker->data2, vpx_malloc(sizeof(TileInfo)));
 | 
| -      if (i < num_workers - 1 && !vp9_worker_reset(worker)) {
 | 
| +      if (i < num_threads - 1 && !vp9_worker_reset(worker)) {
 | 
|          vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
 | 
|                             "Tile decoder thread creation failed");
 | 
|        }
 | 
| @@ -988,17 +907,16 @@
 | 
|    }
 | 
|  
 | 
|    // Reset tile decoding hook
 | 
| -  for (n = 0; n < pbi->num_tile_workers; ++n) {
 | 
| +  for (n = 0; n < num_workers; ++n) {
 | 
|      pbi->tile_workers[n].hook = (VP9WorkerHook)tile_worker_hook;
 | 
|    }
 | 
|  
 | 
|    // Note: this memset assumes above_context[0], [1] and [2]
 | 
|    // are allocated as part of the same buffer.
 | 
| -  vpx_memset(pbi->above_context[0], 0,
 | 
| -             sizeof(*pbi->above_context[0]) * MAX_MB_PLANE *
 | 
| -             2 * aligned_mi_cols);
 | 
| -  vpx_memset(pbi->above_seg_context, 0,
 | 
| -             sizeof(*pbi->above_seg_context) * aligned_mi_cols);
 | 
| +  vpx_memset(cm->above_context, 0,
 | 
| +             sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_mi_cols);
 | 
| +  vpx_memset(cm->above_seg_context, 0,
 | 
| +             sizeof(*cm->above_seg_context) * aligned_mi_cols);
 | 
|  
 | 
|    // Load tile data into tile_buffers
 | 
|    for (n = 0; n < tile_cols; ++n) {
 | 
| @@ -1043,11 +961,10 @@
 | 
|        tile_data->xd = pbi->mb;
 | 
|        tile_data->xd.corrupted = 0;
 | 
|        vp9_tile_init(tile, tile_data->cm, 0, buf->col);
 | 
| -
 | 
|        setup_token_decoder(buf->data, data_end, buf->size, &cm->error,
 | 
|                            &tile_data->bit_reader);
 | 
| -      setup_tile_context(pbi, &tile_data->xd, 0, buf->col);
 | 
| -      setup_tile_macroblockd(tile_data);
 | 
| +      init_macroblockd(cm, &tile_data->xd);
 | 
| +      vp9_zero(tile_data->xd.dqcoeff);
 | 
|  
 | 
|        worker->had_error = 0;
 | 
|        if (i == num_workers - 1 || n == tile_cols - 1) {
 | 
| @@ -1092,12 +1009,13 @@
 | 
|    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, "Truncated packet");
 | 
|  }
 | 
|  
 | 
| -#define RESERVED \
 | 
| -  if (vp9_rb_read_bit(rb)) \
 | 
| -      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, \
 | 
| -                         "Reserved bit must be unset")
 | 
| +static BITSTREAM_PROFILE read_profile(struct vp9_read_bit_buffer *rb) {
 | 
| +  int profile = vp9_rb_read_bit(rb);
 | 
| +  profile |= vp9_rb_read_bit(rb) << 1;
 | 
| +  return (BITSTREAM_PROFILE) profile;
 | 
| +}
 | 
|  
 | 
| -static size_t read_uncompressed_header(VP9D_COMP *pbi,
 | 
| +static size_t read_uncompressed_header(VP9Decoder *pbi,
 | 
|                                         struct vp9_read_bit_buffer *rb) {
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
|    size_t sz;
 | 
| @@ -1109,8 +1027,10 @@
 | 
|        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
 | 
|                           "Invalid frame marker");
 | 
|  
 | 
| -  cm->version = vp9_rb_read_bit(rb);
 | 
| -  RESERVED;
 | 
| +  cm->profile = read_profile(rb);
 | 
| +  if (cm->profile >= MAX_PROFILES)
 | 
| +    vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
 | 
| +                       "Unsupported bitstream profile");
 | 
|  
 | 
|    cm->show_existing_frame = vp9_rb_read_bit(rb);
 | 
|    if (cm->show_existing_frame) {
 | 
| @@ -1135,11 +1055,12 @@
 | 
|  
 | 
|    if (cm->frame_type == KEY_FRAME) {
 | 
|      check_sync_code(cm, rb);
 | 
| -
 | 
| -    cm->color_space = vp9_rb_read_literal(rb, 3);  // colorspace
 | 
| +    if (cm->profile > PROFILE_1)
 | 
| +      cm->bit_depth = vp9_rb_read_bit(rb) ? BITS_12 : BITS_10;
 | 
| +    cm->color_space = (COLOR_SPACE)vp9_rb_read_literal(rb, 3);
 | 
|      if (cm->color_space != SRGB) {
 | 
|        vp9_rb_read_bit(rb);  // [16,235] (including xvycc) vs [0,255] range
 | 
| -      if (cm->version == 1) {
 | 
| +      if (cm->profile >= PROFILE_1) {
 | 
|          cm->subsampling_x = vp9_rb_read_bit(rb);
 | 
|          cm->subsampling_y = vp9_rb_read_bit(rb);
 | 
|          vp9_rb_read_bit(rb);  // has extra plane
 | 
| @@ -1147,7 +1068,7 @@
 | 
|          cm->subsampling_y = cm->subsampling_x = 1;
 | 
|        }
 | 
|      } else {
 | 
| -      if (cm->version == 1) {
 | 
| +      if (cm->profile >= PROFILE_1) {
 | 
|          cm->subsampling_y = cm->subsampling_x = 0;
 | 
|          vp9_rb_read_bit(rb);  // has extra plane
 | 
|        } else {
 | 
| @@ -1163,7 +1084,7 @@
 | 
|        cm->frame_refs[i].buf = get_frame_new_buffer(cm);
 | 
|      }
 | 
|  
 | 
| -    setup_frame_size(pbi, rb);
 | 
| +    setup_frame_size(cm, rb);
 | 
|    } else {
 | 
|      cm->intra_only = cm->show_frame ? 0 : vp9_rb_read_bit(rb);
 | 
|  
 | 
| @@ -1174,7 +1095,7 @@
 | 
|        check_sync_code(cm, rb);
 | 
|  
 | 
|        pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
 | 
| -      setup_frame_size(pbi, rb);
 | 
| +      setup_frame_size(cm, rb);
 | 
|      } else {
 | 
|        pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
 | 
|  
 | 
| @@ -1186,7 +1107,7 @@
 | 
|          cm->ref_frame_sign_bias[LAST_FRAME + i] = vp9_rb_read_bit(rb);
 | 
|        }
 | 
|  
 | 
| -      setup_frame_size_with_refs(pbi, rb);
 | 
| +      setup_frame_size_with_refs(cm, rb);
 | 
|  
 | 
|        cm->allow_high_precision_mv = vp9_rb_read_bit(rb);
 | 
|        cm->interp_filter = read_interp_filter(rb);
 | 
| @@ -1234,7 +1155,7 @@
 | 
|    return sz;
 | 
|  }
 | 
|  
 | 
| -static int read_compressed_header(VP9D_COMP *pbi, const uint8_t *data,
 | 
| +static int read_compressed_header(VP9Decoder *pbi, const uint8_t *data,
 | 
|                                    size_t partition_size) {
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
|    MACROBLOCKD *const xd = &pbi->mb;
 | 
| @@ -1334,14 +1255,12 @@
 | 
|  }
 | 
|  #endif  // NDEBUG
 | 
|  
 | 
| -int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
 | 
| -  int i;
 | 
| +int vp9_decode_frame(VP9Decoder *pbi,
 | 
| +                     const uint8_t *data, const uint8_t *data_end,
 | 
| +                     const uint8_t **p_data_end) {
 | 
|    VP9_COMMON *const cm = &pbi->common;
 | 
|    MACROBLOCKD *const xd = &pbi->mb;
 | 
|  
 | 
| -  const uint8_t *data = pbi->source;
 | 
| -  const uint8_t *const data_end = pbi->source + pbi->source_sz;
 | 
| -
 | 
|    struct vp9_read_bit_buffer rb = { data, data_end, 0, cm, error_handler };
 | 
|    const size_t first_partition_size = read_uncompressed_header(pbi, &rb);
 | 
|    const int keyframe = cm->frame_type == KEY_FRAME;
 | 
| @@ -1367,7 +1286,8 @@
 | 
|    pbi->do_loopfilter_inline =
 | 
|        (cm->log2_tile_rows | cm->log2_tile_cols) == 0 && cm->lf.filter_level;
 | 
|    if (pbi->do_loopfilter_inline && pbi->lf_worker.data1 == NULL) {
 | 
| -    CHECK_MEM_ERROR(cm, pbi->lf_worker.data1, vpx_malloc(sizeof(LFWorkerData)));
 | 
| +    CHECK_MEM_ERROR(cm, pbi->lf_worker.data1,
 | 
| +                    vpx_memalign(32, sizeof(LFWorkerData)));
 | 
|      pbi->lf_worker.hook = (VP9WorkerHook)vp9_loop_filter_worker;
 | 
|      if (pbi->oxcf.max_threads > 1 && !vp9_worker_reset(&pbi->lf_worker)) {
 | 
|        vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
 | 
| @@ -1375,9 +1295,8 @@
 | 
|      }
 | 
|    }
 | 
|  
 | 
| -  alloc_tile_storage(pbi, tile_rows, tile_cols);
 | 
| +  init_macroblockd(cm, &pbi->mb);
 | 
|  
 | 
| -  xd->mode_info_stride = cm->mode_info_stride;
 | 
|    if (cm->coding_use_prev_mi)
 | 
|      set_prev_mi(cm);
 | 
|    else
 | 
| @@ -1388,8 +1307,7 @@
 | 
|  
 | 
|    cm->fc = cm->frame_contexts[cm->frame_context_idx];
 | 
|    vp9_zero(cm->counts);
 | 
| -  for (i = 0; i < MAX_MB_PLANE; ++i)
 | 
| -    vpx_memset(xd->plane[i].dqcoeff, 0, 64 * 64 * sizeof(int16_t));
 | 
| +  vp9_zero(xd->dqcoeff);
 | 
|  
 | 
|    xd->corrupted = 0;
 | 
|    new_fb->corrupted = read_compressed_header(pbi, data, first_partition_size);
 | 
| @@ -1398,9 +1316,9 @@
 | 
|    // single-frame tile decoding.
 | 
|    if (pbi->oxcf.max_threads > 1 && tile_rows == 1 && tile_cols > 1 &&
 | 
|        cm->frame_parallel_decoding_mode) {
 | 
| -    *p_data_end = decode_tiles_mt(pbi, data + first_partition_size);
 | 
| +    *p_data_end = decode_tiles_mt(pbi, data + first_partition_size, data_end);
 | 
|    } else {
 | 
| -    *p_data_end = decode_tiles(pbi, data + first_partition_size);
 | 
| +    *p_data_end = decode_tiles(pbi, data + first_partition_size, data_end);
 | 
|    }
 | 
|  
 | 
|    new_fb->corrupted |= xd->corrupted;
 | 
| 
 |