/* *  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 "alloccommon.h"#include "blockd.h"#include "vpx_mem/vpx_mem.h"#include "onyxc_int.h"#include "findnearmv.h"#include "entropymode.h"#include "systemdependent.h" void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) {  int i;  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {    vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);  }   vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);#if CONFIG_POSTPROC  vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);  if (oci->post_proc_buffer_int_used) {    vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);  }   vpx_free(oci->pp_limits_buffer);  oci->pp_limits_buffer = NULL;   vpx_free(oci->postproc_state.generated_noise);  oci->postproc_state.generated_noise = NULL;#endif   vpx_free(oci->above_context);  vpx_free(oci->mip);#if CONFIG_ERROR_CONCEALMENT  vpx_free(oci->prev_mip);  oci->prev_mip = NULL;#endif   oci->above_context = NULL;  oci->mip = NULL;} int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) {  int i;   vp8_de_alloc_frame_buffers(oci);   /* our internal buffers are always multiples of 16 */  if ((width & 0xf) != 0) width += 16 - (width & 0xf);   if ((height & 0xf) != 0) height += 16 - (height & 0xf);   for (i = 0; i < NUM_YV12_BUFFERS; ++i) {    oci->fb_idx_ref_cnt[i] = 0;    oci->yv12_fb[i].flags = 0;    if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height,                                    VP8BORDERINPIXELS) < 0) {      goto allocation_fail;    }  }   oci->new_fb_idx = 0;  oci->lst_fb_idx = 1;  oci->gld_fb_idx = 2;  oci->alt_fb_idx = 3;   oci->fb_idx_ref_cnt[0] = 1;  oci->fb_idx_ref_cnt[1] = 1;  oci->fb_idx_ref_cnt[2] = 1;  oci->fb_idx_ref_cnt[3] = 1;   if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16,                                  VP8BORDERINPIXELS) < 0) {    goto allocation_fail;  }   oci->mb_rows = height >> 4;  oci->mb_cols = width >> 4;  oci->MBs = oci->mb_rows * oci->mb_cols;  oci->mode_info_stride = oci->mb_cols + 1;  oci->mip =      vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));   if (!oci->mip) goto allocation_fail;   oci->mi = oci->mip + oci->mode_info_stride + 1;   /* Allocation of previous mode info will be done in vp8_decode_frame()   * as it is a decoder only data */   oci->above_context =      vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);   if (!oci->above_context) goto allocation_fail; #if CONFIG_POSTPROC  if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height,                                  VP8BORDERINPIXELS) < 0) {    goto allocation_fail;  }   oci->post_proc_buffer_int_used = 0;  memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));  memset(oci->post_proc_buffer.buffer_alloc, 128,         oci->post_proc_buffer.frame_size);   /* Allocate buffer to store post-processing filter coefficients.   *   * Note: Round up mb_cols to support SIMD reads   */  oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));  if (!oci->pp_limits_buffer) goto allocation_fail;#endif   return 0; allocation_fail:  vp8_de_alloc_frame_buffers(oci);  return 1;} void vp8_setup_version(VP8_COMMON *cm) {  switch (cm->version) {    case 0:      cm->no_lpf = 0;      cm->filter_type = NORMAL_LOOPFILTER;      cm->use_bilinear_mc_filter = 0;      cm->full_pixel = 0;      break;    case 1:      cm->no_lpf = 0;      cm->filter_type = SIMPLE_LOOPFILTER;      cm->use_bilinear_mc_filter = 1;      cm->full_pixel = 0;      break;    case 2:      cm->no_lpf = 1;      cm->filter_type = NORMAL_LOOPFILTER;      cm->use_bilinear_mc_filter = 1;      cm->full_pixel = 0;      break;    case 3:      cm->no_lpf = 1;      cm->filter_type = SIMPLE_LOOPFILTER;      cm->use_bilinear_mc_filter = 1;      cm->full_pixel = 1;      break;    default:      /*4,5,6,7 are reserved for future use*/      cm->no_lpf = 0;      cm->filter_type = NORMAL_LOOPFILTER;      cm->use_bilinear_mc_filter = 0;      cm->full_pixel = 0;      break;  }}void vp8_create_common(VP8_COMMON *oci) {  vp8_machine_specific_config(oci);   vp8_init_mbmode_probs(oci);  vp8_default_bmode_probs(oci->fc.bmode_prob);   oci->mb_no_coeff_skip = 1;  oci->no_lpf = 0;  oci->filter_type = NORMAL_LOOPFILTER;  oci->use_bilinear_mc_filter = 0;  oci->full_pixel = 0;  oci->multi_token_partition = ONE_PARTITION;  oci->clamp_type = RECON_CLAMP_REQUIRED;   /* Initialize reference frame sign bias structure to defaults */  memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));   /* Default disable buffer to buffer copying */  oci->copy_buffer_to_gf = 0;  oci->copy_buffer_to_arf = 0;} void vp8_remove_common(VP8_COMMON *oci) { vp8_de_alloc_frame_buffers(oci); }