uvg266/src/imagelist.c
2022-04-28 14:18:09 +03:00

224 lines
6.9 KiB
C

/*****************************************************************************
* This file is part of uvg266 VVC encoder.
*
* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
****************************************************************************/
#include "imagelist.h"
#include <stdio.h>
#include <stdlib.h>
#include "image.h"
#include "threads.h"
/**
* \brief Allocate memory for image_list
* \param size initial array size
* \return image_list pointer, NULL on failure
*/
image_list_t * uvg_image_list_alloc(int size)
{
image_list_t *list = (image_list_t *)malloc(sizeof(image_list_t));
list->size = size;
list->images = malloc(sizeof(uvg_picture*) * size);
list->cu_arrays = malloc(sizeof(cu_array_t*) * size);
list->pocs = malloc(sizeof(int32_t) * size);
list->ref_LXs = malloc(sizeof(*list->ref_LXs) * size);
list->used_size = 0;
return list;
}
/**
* \brief Resize image_list array
* \param list image_list pointer
* \param size new array size
* \return 1 on success, 0 on failure
*/
int uvg_image_list_resize(image_list_t *list, unsigned size)
{
list->images = (uvg_picture**)realloc(list->images, sizeof(uvg_picture*) * size);
list->cu_arrays = (cu_array_t**)realloc(list->cu_arrays, sizeof(cu_array_t*) * size);
list->pocs = realloc(list->pocs, sizeof(int32_t) * size);
list->ref_LXs = realloc(list->ref_LXs, sizeof(*list->ref_LXs) * size);
list->size = size;
return size == 0 || (list->images && list->cu_arrays && list->pocs);
}
/**
* \brief Free memory allocated to the picture_list
* \param list image_list pointer
* \return 1 on success, 0 on failure
*/
int uvg_image_list_destroy(image_list_t *list)
{
unsigned int i;
if (list->used_size > 0) {
for (i = 0; i < list->used_size; ++i) {
uvg_image_free(list->images[i]);
list->images[i] = NULL;
uvg_cu_array_free(&list->cu_arrays[i]);
list->cu_arrays[i] = NULL;
list->pocs[i] = 0;
for (int j = 0; j < 16; j++) {
list->ref_LXs[i][0][j] = 0;
list->ref_LXs[i][1][j] = 0;
}
}
}
if (list->size > 0) {
free(list->images);
free(list->cu_arrays);
free(list->pocs);
free(list->ref_LXs);
}
list->images = NULL;
list->cu_arrays = NULL;
list->pocs = NULL;
list->ref_LXs = NULL;
free(list);
return 1;
}
/**
* \brief Add picture to the front of the picturelist
* \param pic picture pointer to add
* \param picture_list list to use
* \return 1 on success
*/
int uvg_image_list_add(image_list_t *list, uvg_picture *im, cu_array_t *cua, int32_t poc, uint8_t ref_LX[2][16])
{
int i = 0;
if (UVG_ATOMIC_INC(&(im->refcount)) == 1) {
fprintf(stderr, "Tried to add an unreferenced picture. This is a bug!\n");
assert(0); //Stop for debugging
return 0;
}
if (UVG_ATOMIC_INC(&(cua->refcount)) == 1) {
fprintf(stderr, "Tried to add an unreferenced cu_array. This is a bug!\n");
assert(0); //Stop for debugging
return 0;
}
if (list->size == list->used_size) {
unsigned new_size = MAX(list->size + 1, list->size * 2);
if (!uvg_image_list_resize(list, new_size)) return 0;
}
for (i = list->used_size; i > 0; i--) {
list->images[i] = list->images[i - 1];
list->cu_arrays[i] = list->cu_arrays[i - 1];
list->pocs[i] = list->pocs[i - 1];
for (int j = 0; j < 16; j++) {
list->ref_LXs[i][0][j] = list->ref_LXs[i - 1][0][j];
list->ref_LXs[i][1][j] = list->ref_LXs[i - 1][1][j];
}
}
list->images[0] = im;
list->cu_arrays[0] = cua;
list->pocs[0] = poc;
for (int j = 0; j < 16; j++) {
list->ref_LXs[0][0][j] = ref_LX[0][j];
list->ref_LXs[0][1][j] = ref_LX[1][j];
}
list->used_size++;
return 1;
}
/**
* \brief Remove picture from picturelist
* \param list list to use
* \param n index to remove
* \return 1 on success
*/
int uvg_image_list_rem(image_list_t * const list, const unsigned n)
{
// Must be within list boundaries
if (n >= list->used_size)
{
return 0;
}
uvg_image_free(list->images[n]);
uvg_cu_array_free(&list->cu_arrays[n]);
// The last item is easy to remove
if (n == list->used_size - 1) {
list->images[n] = NULL;
list->cu_arrays[n] = NULL;
list->pocs[n] = 0;
for (int j = 0; j < 16; j++) {
list->ref_LXs[n][0][j] = 0;
list->ref_LXs[n][1][j] = 0;
}
list->used_size--;
} else {
int i = n;
// Shift all following pics one backward in the list
for (i = n; i < list->used_size - 1; ++i) {
list->images[i] = list->images[i + 1];
list->cu_arrays[i] = list->cu_arrays[i + 1];
list->pocs[i] = list->pocs[i + 1];
for (int j = 0; j < 16; j++) {
list->ref_LXs[i][0][j] = list->ref_LXs[i + 1][0][j];
list->ref_LXs[i][1][j] = list->ref_LXs[i + 1][1][j];
}
}
list->images[list->used_size - 1] = NULL;
list->cu_arrays[list->used_size - 1] = NULL;
list->pocs[list->used_size - 1] = 0;
for (int j = 0; j < 16; j++) {
list->ref_LXs[list->used_size - 1][0][j] = 0;
list->ref_LXs[list->used_size - 1][1][j] = 0;
}
list->used_size--;
}
return 1;
}
int uvg_image_list_copy_contents(image_list_t *target, image_list_t *source) {
int i;
while (target->used_size > 0) {
uvg_image_list_rem(target, 0);
}
for (i = source->used_size - 1; i >= 0; --i) {
uvg_image_list_add(target, source->images[i], source->cu_arrays[i], source->pocs[i], source->ref_LXs[i]);
}
return 1;
}