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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_onyxc_int.h"
#include "vp9/common/vp9_systemdependent.h"
void vp9_set_mb_mi(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);
cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
cm->mi_stride = calc_mi_size(cm->mi_cols);
cm->mb_cols = (cm->mi_cols + 1) >> 1;
cm->mb_rows = (cm->mi_rows + 1) >> 1;
cm->MBs = cm->mb_rows * cm->mb_cols;
}
void vp9_free_ref_frame_buffers(VP9_COMMON *cm) {
int i;
for (i = 0; i < FRAME_BUFFERS; ++i) {
if (cm->frame_bufs[i].ref_count > 0 &&
cm->frame_bufs[i].raw_frame_buffer.data != NULL) {
cm->release_fb_cb(cm->cb_priv, &cm->frame_bufs[i].raw_frame_buffer);
cm->frame_bufs[i].ref_count = 0;
}
vpx_free(cm->frame_bufs[i].mvs);
cm->frame_bufs[i].mvs = NULL;
vp9_free_frame_buffer(&cm->frame_bufs[i].buf);
}
#if CONFIG_VP9_POSTPROC
vp9_free_frame_buffer(&cm->post_proc_buffer);
vp9_free_frame_buffer(&cm->post_proc_buffer_int);
#endif
}
void vp9_free_context_buffers(VP9_COMMON *cm) {
cm->free_mi(cm);
vpx_free(cm->last_frame_seg_map);
cm->last_frame_seg_map = NULL;
vpx_free(cm->above_context);
cm->above_context = NULL;
vpx_free(cm->above_seg_context);
cm->above_seg_context = NULL;
}
int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
vp9_free_context_buffers(cm);
vp9_set_mb_mi(cm, width, height);
if (cm->alloc_mi(cm, cm->mi_stride * calc_mi_size(cm->mi_rows)))
goto fail;
cm->last_frame_seg_map = (uint8_t *)vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
if (!cm->last_frame_seg_map) goto fail;
cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
sizeof(*cm->above_context));
if (!cm->above_context) goto fail;
cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
if (!cm->above_seg_context) goto fail;
return 0;
fail:
vp9_free_context_buffers(cm);
return 1;
}
static void init_frame_bufs(VP9_COMMON *cm) {
int i;
cm->new_fb_idx = FRAME_BUFFERS - 1;
cm->frame_bufs[cm->new_fb_idx].ref_count = 1;
for (i = 0; i < REF_FRAMES; ++i) {
cm->ref_frame_map[i] = i;
cm->frame_bufs[i].ref_count = 1;
}
}
int vp9_alloc_ref_frame_buffers(VP9_COMMON *cm, int width, int height) {
int i;
const int ss_x = cm->subsampling_x;
const int ss_y = cm->subsampling_y;
vp9_free_ref_frame_buffers(cm);
for (i = 0; i < FRAME_BUFFERS; ++i) {
cm->frame_bufs[i].ref_count = 0;
if (vp9_alloc_frame_buffer(&cm->frame_bufs[i].buf, width, height,
ss_x, ss_y,
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS,
cm->byte_alignment) < 0)
goto fail;
if (cm->frame_bufs[i].mvs == NULL) {
cm->frame_bufs[i].mvs =
(MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols,
sizeof(*cm->frame_bufs[i].mvs));
if (cm->frame_bufs[i].mvs == NULL)
goto fail;
cm->frame_bufs[i].mi_rows = cm->mi_rows;
cm->frame_bufs[i].mi_cols = cm->mi_cols;
}
}
init_frame_bufs(cm);
#if CONFIG_VP9_POSTPROC
if (vp9_alloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y,
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS,
cm->byte_alignment) < 0)
goto fail;
#endif
return 0;
fail:
vp9_free_ref_frame_buffers(cm);
return 1;
}
void vp9_remove_common(VP9_COMMON *cm) {
vp9_free_ref_frame_buffers(cm);
vp9_free_context_buffers(cm);
vp9_free_internal_frame_buffers(&cm->int_frame_buffers);
vpx_free(cm->fc);
cm->fc = NULL;
vpx_free(cm->frame_contexts);
cm->frame_contexts = NULL;
}
void vp9_init_context_buffers(VP9_COMMON *cm) {
cm->setup_mi(cm);
if (cm->last_frame_seg_map)
vpx_memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
}
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