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/*
* 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 "vpx_mem/vpx_mem.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_findnearmv.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_systemdependent.h"
void vp9_update_mode_info_border(VP9_COMMON *cm, MODE_INFO *mi) {
const int stride = cm->mode_info_stride;
int i;
// Clear down top border row
vpx_memset(mi, 0, sizeof(MODE_INFO) * stride);
// Clear left border column
for (i = 1; i < cm->mi_rows + 1; i++)
vpx_memset(&mi[i * stride], 0, sizeof(MODE_INFO));
}
void vp9_free_frame_buffers(VP9_COMMON *cm) {
int i;
for (i = 0; i < cm->fb_count; i++)
vp9_free_frame_buffer(&cm->yv12_fb[i]);
vp9_free_frame_buffer(&cm->post_proc_buffer);
vpx_free(cm->mip);
vpx_free(cm->prev_mip);
vpx_free(cm->last_frame_seg_map);
vpx_free(cm->mi_grid_base);
vpx_free(cm->prev_mi_grid_base);
cm->mip = NULL;
cm->prev_mip = NULL;
cm->last_frame_seg_map = NULL;
cm->mi_grid_base = NULL;
cm->prev_mi_grid_base = NULL;
}
static void set_mb_mi(VP9_COMMON *cm, int aligned_width, int aligned_height) {
cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
cm->mode_info_stride = cm->mi_cols + MI_BLOCK_SIZE;
cm->mb_cols = (cm->mi_cols + 1) >> 1;
cm->mb_rows = (cm->mi_rows + 1) >> 1;
cm->MBs = cm->mb_rows * cm->mb_cols;
}
static void setup_mi(VP9_COMMON *cm) {
cm->mi = cm->mip + cm->mode_info_stride + 1;
cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1;
cm->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1;
cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mode_info_stride + 1;
vpx_memset(cm->mip, 0,
cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
vpx_memset(cm->mi_grid_base, 0,
cm->mode_info_stride * (cm->mi_rows + 1) *
sizeof(*cm->mi_grid_base));
vp9_update_mode_info_border(cm, cm->prev_mip);
}
int vp9_resize_frame_buffers(VP9_COMMON *cm, int width, int height) {
const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2);
const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2);
const int ss_x = cm->subsampling_x;
const int ss_y = cm->subsampling_y;
int mi_size;
if (vp9_realloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y,
VP9BORDERINPIXELS, NULL, NULL, NULL) < 0)
goto fail;
set_mb_mi(cm, aligned_width, aligned_height);
// Allocation
mi_size = cm->mode_info_stride * (cm->mi_rows + MI_BLOCK_SIZE);
vpx_free(cm->mip);
cm->mip = vpx_calloc(mi_size, sizeof(MODE_INFO));
if (!cm->mip)
goto fail;
vpx_free(cm->prev_mip);
cm->prev_mip = vpx_calloc(mi_size, sizeof(MODE_INFO));
if (!cm->prev_mip)
goto fail;
vpx_free(cm->mi_grid_base);
cm->mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->mi_grid_base));
if (!cm->mi_grid_base)
goto fail;
vpx_free(cm->prev_mi_grid_base);
cm->prev_mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->prev_mi_grid_base));
if (!cm->prev_mi_grid_base)
goto fail;
setup_mi(cm);
// Create the segmentation map structure and set to 0.
vpx_free(cm->last_frame_seg_map);
cm->last_frame_seg_map = vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
if (!cm->last_frame_seg_map)
goto fail;
return 0;
fail:
vp9_free_frame_buffers(cm);
return 1;
}
int vp9_alloc_frame_buffers(VP9_COMMON *cm, int width, int height) {
int i;
const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2);
const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2);
const int ss_x = cm->subsampling_x;
const int ss_y = cm->subsampling_y;
int mi_size;
if (cm->fb_count == 0) {
cm->fb_count = FRAME_BUFFERS;
CHECK_MEM_ERROR(cm, cm->yv12_fb,
vpx_calloc(cm->fb_count, sizeof(*cm->yv12_fb)));
CHECK_MEM_ERROR(cm, cm->fb_idx_ref_cnt,
vpx_calloc(cm->fb_count, sizeof(*cm->fb_idx_ref_cnt)));
}
vp9_free_frame_buffers(cm);
for (i = 0; i < cm->fb_count; i++) {
cm->fb_idx_ref_cnt[i] = 0;
if (vp9_alloc_frame_buffer(&cm->yv12_fb[i], width, height, ss_x, ss_y,
VP9BORDERINPIXELS) < 0)
goto fail;
}
cm->new_fb_idx = cm->fb_count - 1;
cm->fb_idx_ref_cnt[cm->new_fb_idx] = 1;
for (i = 0; i < REFS_PER_FRAME; i++)
cm->active_ref_idx[i] = i;
for (i = 0; i < REF_FRAMES; i++) {
cm->ref_frame_map[i] = i;
cm->fb_idx_ref_cnt[i] = 1;
}
if (vp9_alloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y,
VP9BORDERINPIXELS) < 0)
goto fail;
set_mb_mi(cm, aligned_width, aligned_height);
// Allocation
mi_size = cm->mode_info_stride * (cm->mi_rows + MI_BLOCK_SIZE);
cm->mip = vpx_calloc(mi_size, sizeof(MODE_INFO));
if (!cm->mip)
goto fail;
cm->prev_mip = vpx_calloc(mi_size, sizeof(MODE_INFO));
if (!cm->prev_mip)
goto fail;
cm->mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->mi_grid_base));
if (!cm->mi_grid_base)
goto fail;
cm->prev_mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->prev_mi_grid_base));
if (!cm->prev_mi_grid_base)
goto fail;
setup_mi(cm);
// Create the segmentation map structure and set to 0.
cm->last_frame_seg_map = vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
if (!cm->last_frame_seg_map)
goto fail;
return 0;
fail:
vp9_free_frame_buffers(cm);
return 1;
}
void vp9_create_common(VP9_COMMON *cm) {
vp9_machine_specific_config(cm);
}
void vp9_remove_common(VP9_COMMON *cm) {
vp9_free_frame_buffers(cm);
vpx_free(cm->yv12_fb);
vpx_free(cm->fb_idx_ref_cnt);
cm->yv12_fb = NULL;
cm->fb_idx_ref_cnt = NULL;
}
void vp9_initialize_common() {
vp9_init_neighbors();
}
void vp9_update_frame_size(VP9_COMMON *cm) {
const int aligned_width = ALIGN_POWER_OF_TWO(cm->width, MI_SIZE_LOG2);
const int aligned_height = ALIGN_POWER_OF_TWO(cm->height, MI_SIZE_LOG2);
set_mb_mi(cm, aligned_width, aligned_height);
setup_mi(cm);
// Initialize the previous frame segment map to 0.
if (cm->last_frame_seg_map)
vpx_memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
}
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