/* *  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 "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;#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;    vpx_memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));    vpx_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 */    vpx_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);}