LCOV - code coverage report
Current view: directory - media/libvpx/vp8/common - alloccommon.c (source / functions) Found Hit Coverage
Test: app.info Lines: 113 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       1                 : /*
       2                 :  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
       3                 :  *
       4                 :  *  Use of this source code is governed by a BSD-style license
       5                 :  *  that can be found in the LICENSE file in the root of the source
       6                 :  *  tree. An additional intellectual property rights grant can be found
       7                 :  *  in the file PATENTS.  All contributing project authors may
       8                 :  *  be found in the AUTHORS file in the root of the source tree.
       9                 :  */
      10                 : 
      11                 : 
      12                 : #include "vpx_ports/config.h"
      13                 : #include "blockd.h"
      14                 : #include "vpx_mem/vpx_mem.h"
      15                 : #include "onyxc_int.h"
      16                 : #include "findnearmv.h"
      17                 : #include "entropymode.h"
      18                 : #include "systemdependent.h"
      19                 : 
      20                 : 
      21                 : extern  void vp8_init_scan_order_mask();
      22                 : 
      23               0 : static void update_mode_info_border(MODE_INFO *mi, int rows, int cols)
      24                 : {
      25                 :     int i;
      26               0 :     vpx_memset(mi - cols - 2, 0, sizeof(MODE_INFO) * (cols + 1));
      27                 : 
      28               0 :     for (i = 0; i < rows; i++)
      29                 :     {
      30                 :         /* TODO(holmer): Bug? This updates the last element of each row
      31                 :          * rather than the border element!
      32                 :          */
      33               0 :         vpx_memset(&mi[i*cols-1], 0, sizeof(MODE_INFO));
      34                 :     }
      35               0 : }
      36                 : 
      37               0 : void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
      38                 : {
      39                 :     int i;
      40                 : 
      41               0 :     for (i = 0; i < NUM_YV12_BUFFERS; i++)
      42               0 :         vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
      43                 : 
      44               0 :     vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
      45               0 :     vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
      46                 : 
      47               0 :     vpx_free(oci->above_context);
      48               0 :     vpx_free(oci->mip);
      49               0 :     vpx_free(oci->prev_mip);
      50                 : 
      51               0 :     oci->above_context = 0;
      52               0 :     oci->mip = 0;
      53               0 :     oci->prev_mip = 0;
      54                 : 
      55               0 : }
      56                 : 
      57               0 : int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
      58                 : {
      59                 :     int i;
      60                 : 
      61               0 :     vp8_de_alloc_frame_buffers(oci);
      62                 : 
      63                 :     /* our internal buffers are always multiples of 16 */
      64               0 :     if ((width & 0xf) != 0)
      65               0 :         width += 16 - (width & 0xf);
      66                 : 
      67               0 :     if ((height & 0xf) != 0)
      68               0 :         height += 16 - (height & 0xf);
      69                 : 
      70                 : 
      71               0 :     for (i = 0; i < NUM_YV12_BUFFERS; i++)
      72                 :     {
      73               0 :         oci->fb_idx_ref_cnt[i] = 0;
      74               0 :         oci->yv12_fb[i].flags = 0;
      75               0 :         if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
      76                 :         {
      77               0 :             vp8_de_alloc_frame_buffers(oci);
      78               0 :             return 1;
      79                 :         }
      80                 :     }
      81                 : 
      82               0 :     oci->new_fb_idx = 0;
      83               0 :     oci->lst_fb_idx = 1;
      84               0 :     oci->gld_fb_idx = 2;
      85               0 :     oci->alt_fb_idx = 3;
      86                 : 
      87               0 :     oci->fb_idx_ref_cnt[0] = 1;
      88               0 :     oci->fb_idx_ref_cnt[1] = 1;
      89               0 :     oci->fb_idx_ref_cnt[2] = 1;
      90               0 :     oci->fb_idx_ref_cnt[3] = 1;
      91                 : 
      92               0 :     if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame,   width, 16, VP8BORDERINPIXELS) < 0)
      93                 :     {
      94               0 :         vp8_de_alloc_frame_buffers(oci);
      95               0 :         return 1;
      96                 :     }
      97                 : 
      98               0 :     if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
      99                 :     {
     100               0 :         vp8_de_alloc_frame_buffers(oci);
     101               0 :         return 1;
     102                 :     }
     103                 : 
     104               0 :     oci->mb_rows = height >> 4;
     105               0 :     oci->mb_cols = width >> 4;
     106               0 :     oci->MBs = oci->mb_rows * oci->mb_cols;
     107               0 :     oci->mode_info_stride = oci->mb_cols + 1;
     108               0 :     oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
     109                 : 
     110               0 :     if (!oci->mip)
     111                 :     {
     112               0 :         vp8_de_alloc_frame_buffers(oci);
     113               0 :         return 1;
     114                 :     }
     115                 : 
     116               0 :     oci->mi = oci->mip + oci->mode_info_stride + 1;
     117                 : 
     118                 :     /* allocate memory for last frame MODE_INFO array */
     119                 : #if CONFIG_ERROR_CONCEALMENT
     120                 :     oci->prev_mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
     121                 : 
     122                 :     if (!oci->prev_mip)
     123                 :     {
     124                 :         vp8_de_alloc_frame_buffers(oci);
     125                 :         return 1;
     126                 :     }
     127                 : 
     128                 :     oci->prev_mi = oci->prev_mip + oci->mode_info_stride + 1;
     129                 : #else
     130               0 :     oci->prev_mip = NULL;
     131               0 :     oci->prev_mi = NULL;
     132                 : #endif
     133                 : 
     134               0 :     oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
     135                 : 
     136               0 :     if (!oci->above_context)
     137                 :     {
     138               0 :         vp8_de_alloc_frame_buffers(oci);
     139               0 :         return 1;
     140                 :     }
     141                 : 
     142               0 :     update_mode_info_border(oci->mi, oci->mb_rows, oci->mb_cols);
     143                 : #if CONFIG_ERROR_CONCEALMENT
     144                 :     update_mode_info_border(oci->prev_mi, oci->mb_rows, oci->mb_cols);
     145                 : #endif
     146                 : 
     147               0 :     return 0;
     148                 : }
     149               0 : void vp8_setup_version(VP8_COMMON *cm)
     150                 : {
     151               0 :     switch (cm->version)
     152                 :     {
     153                 :     case 0:
     154               0 :         cm->no_lpf = 0;
     155               0 :         cm->filter_type = NORMAL_LOOPFILTER;
     156               0 :         cm->use_bilinear_mc_filter = 0;
     157               0 :         cm->full_pixel = 0;
     158               0 :         break;
     159                 :     case 1:
     160               0 :         cm->no_lpf = 0;
     161               0 :         cm->filter_type = SIMPLE_LOOPFILTER;
     162               0 :         cm->use_bilinear_mc_filter = 1;
     163               0 :         cm->full_pixel = 0;
     164               0 :         break;
     165                 :     case 2:
     166               0 :         cm->no_lpf = 1;
     167               0 :         cm->filter_type = NORMAL_LOOPFILTER;
     168               0 :         cm->use_bilinear_mc_filter = 1;
     169               0 :         cm->full_pixel = 0;
     170               0 :         break;
     171                 :     case 3:
     172               0 :         cm->no_lpf = 1;
     173               0 :         cm->filter_type = SIMPLE_LOOPFILTER;
     174               0 :         cm->use_bilinear_mc_filter = 1;
     175               0 :         cm->full_pixel = 1;
     176               0 :         break;
     177                 :     default:
     178                 :         /*4,5,6,7 are reserved for future use*/
     179               0 :         cm->no_lpf = 0;
     180               0 :         cm->filter_type = NORMAL_LOOPFILTER;
     181               0 :         cm->use_bilinear_mc_filter = 0;
     182               0 :         cm->full_pixel = 0;
     183               0 :         break;
     184                 :     }
     185               0 : }
     186               0 : void vp8_create_common(VP8_COMMON *oci)
     187                 : {
     188               0 :     vp8_machine_specific_config(oci);
     189               0 :     vp8_default_coef_probs(oci);
     190               0 :     vp8_init_mbmode_probs(oci);
     191               0 :     vp8_default_bmode_probs(oci->fc.bmode_prob);
     192                 : 
     193               0 :     oci->mb_no_coeff_skip = 1;
     194               0 :     oci->no_lpf = 0;
     195               0 :     oci->filter_type = NORMAL_LOOPFILTER;
     196               0 :     oci->use_bilinear_mc_filter = 0;
     197               0 :     oci->full_pixel = 0;
     198               0 :     oci->multi_token_partition = ONE_PARTITION;
     199               0 :     oci->clr_type = REG_YUV;
     200               0 :     oci->clamp_type = RECON_CLAMP_REQUIRED;
     201                 : 
     202                 :     /* Initialise reference frame sign bias structure to defaults */
     203               0 :     vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
     204                 : 
     205                 :     /* Default disable buffer to buffer copying */
     206               0 :     oci->copy_buffer_to_gf = 0;
     207               0 :     oci->copy_buffer_to_arf = 0;
     208               0 : }
     209                 : 
     210               0 : void vp8_remove_common(VP8_COMMON *oci)
     211                 : {
     212               0 :     vp8_de_alloc_frame_buffers(oci);
     213               0 : }
     214                 : 
     215               0 : void vp8_initialize_common()
     216                 : {
     217               0 :     vp8_coef_tree_initialize();
     218                 : 
     219               0 :     vp8_entropy_mode_init();
     220                 : 
     221               0 :     vp8_init_scan_order_mask();
     222                 : 
     223               0 : }

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