mirror of
https://github.com/ultravideo/uvg266.git
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610 lines
20 KiB
C
610 lines
20 KiB
C
/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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/*
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* \file
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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kvz_config *kvz_config_alloc(void)
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{
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kvz_config *cfg = (kvz_config *)malloc(sizeof(kvz_config));
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if (!cfg) {
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fprintf(stderr, "Failed to allocate a config object!\n");
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return cfg;
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}
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FILL(*cfg, 0);
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return cfg;
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}
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int kvz_config_init(kvz_config *cfg)
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{
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cfg->width = 0;
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cfg->height = 0;
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cfg->framerate = 25;
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cfg->qp = 32;
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cfg->intra_period = 0;
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cfg->vps_period = 0;
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cfg->deblock_enable = 1;
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cfg->deblock_beta = 0;
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cfg->deblock_tc = 0;
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cfg->sao_enable = 1;
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cfg->rdoq_enable = 1;
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cfg->signhide_enable = true;
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cfg->rdo = 1;
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cfg->full_intra_search = 0;
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cfg->trskip_enable = 1;
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cfg->tr_depth_intra = 0;
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cfg->ime_algorithm = 0; /* hexbs */
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cfg->fme_level = 1;
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cfg->source_scan_type = 0; /* progressive */
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cfg->vui.sar_width = 0;
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cfg->vui.sar_height = 0;
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cfg->vui.overscan = 0; /* undef */
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cfg->vui.videoformat = 5; /* undef */
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cfg->vui.fullrange = 0; /* limited range */
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cfg->vui.colorprim = 2; /* undef */
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cfg->vui.transfer = 2; /* undef */
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cfg->vui.colormatrix = 2; /* undef */
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cfg->vui.chroma_loc = 0; /* left center */
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cfg->aud_enable = 0;
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cfg->cqmfile = NULL;
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cfg->ref_frames = DEFAULT_REF_PIC_COUNT;
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cfg->gop_len = 0;
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cfg->bipred = 0;
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cfg->target_bitrate = 0;
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cfg->tiles_width_count = 0;
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cfg->tiles_height_count = 0;
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cfg->tiles_width_split = NULL;
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cfg->tiles_height_split = NULL;
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cfg->wpp = 0;
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cfg->owf = -1;
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cfg->slice_count = 1;
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cfg->slice_addresses_in_ts = MALLOC(int32_t, 1);
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cfg->slice_addresses_in_ts[0] = 0;
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cfg->threads = 0;
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cfg->cpuid = 1;
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// Defaults for what sizes of PUs are tried.
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cfg->pu_depth_inter.min = 0; // 0-3
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cfg->pu_depth_inter.max = 3; // 0-3
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cfg->pu_depth_intra.min = 1; // 0-4
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cfg->pu_depth_intra.max = 4; // 0-4
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cfg->add_encoder_info = true;
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return 1;
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}
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int kvz_config_destroy(kvz_config *cfg)
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{
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if (cfg) {
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FREE_POINTER(cfg->cqmfile);
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FREE_POINTER(cfg->tiles_width_split);
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FREE_POINTER(cfg->tiles_height_split);
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FREE_POINTER(cfg->slice_addresses_in_ts);
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}
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free(cfg);
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return 1;
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}
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static int atobool(const char *str)
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{
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if (!strcmp(str, "1") ||
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!strcmp(str, "true") ||
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!strcmp(str, "yes"))
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return 1;
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if (!strcmp(str, "0") ||
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!strcmp(str, "false") ||
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!strcmp(str, "no"))
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return 0;
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return 0;
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}
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static int parse_enum(const char *arg, const char * const *names, int8_t *dst)
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{
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int8_t i;
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for (i = 0; names[i]; i++) {
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if (!strcmp(arg, names[i])) {
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*dst = i;
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return 1;
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}
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}
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return 0;
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}
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static int parse_tiles_specification(const char* const arg, int32_t * const ntiles, int32_t** const array) {
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const char* current_arg = NULL;
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int32_t current_value;
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int32_t values[MAX_TILES_PER_DIM];
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int i;
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//Free pointer in any case
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if (*array) {
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FREE_POINTER(*array);
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}
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//If the arg starts with u, we want an uniform split
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if (arg[0]=='u') {
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*ntiles = atoi(arg+1)-1;
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if (MAX_TILES_PER_DIM <= *ntiles || 0 > *ntiles) {
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fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_TILES_PER_DIM)!\n", *ntiles + 1, MAX_TILES_PER_DIM);
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return 0;
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}
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//Done with parsing
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return 1;
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}
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//We have a comma-separated list of int for the split...
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current_arg = arg;
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*ntiles = 0;
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do {
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int ret = sscanf(current_arg, "%d", ¤t_value);
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if (ret != 1) {
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fprintf(stderr, "Could not parse integer \"%s\"!\n", current_arg);
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return 0;
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}
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current_arg = strchr(current_arg, ',');
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//Skip the , if we found one
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if (current_arg) ++current_arg;
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values[*ntiles] = current_value;
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++(*ntiles);
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if (MAX_TILES_PER_DIM <= *ntiles) break;
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} while (current_arg);
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if (MAX_TILES_PER_DIM <= *ntiles || 0 >= *ntiles) {
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fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_TILES_PER_DIM)!\n", *ntiles + 1, MAX_TILES_PER_DIM);
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return 0;
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}
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*array = MALLOC(int32_t, *ntiles);
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if (!*array) {
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fprintf(stderr, "Could not allocate array for tiles\n");
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return 0;
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}
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//TODO: memcpy?
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for (i = 0; i < *ntiles; ++i) {
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(*array)[i] = values[i];
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}
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return 1;
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}
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static int parse_slice_specification(const char* const arg, int32_t * const nslices, int32_t** const array) {
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const char* current_arg = NULL;
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int32_t current_value;
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int32_t values[MAX_SLICES];
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int i;
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//Free pointer in any case
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if (*array) {
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FREE_POINTER(*array);
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}
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//If the arg starts with u, we want an uniform split
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if (arg[0]=='u') {
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*nslices = atoi(arg+1);
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if (MAX_SLICES <= *nslices || 0 >= *nslices) {
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fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_SLICES)!\n", *nslices + 1, MAX_SLICES);
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return 0;
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}
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//Done with parsing
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return 1;
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}
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//We have a comma-separated list of int for the split...
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current_arg = arg;
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//We always have a slice starting at 0
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values[0] = 0;
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*nslices = 1;
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do {
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int ret = sscanf(current_arg, "%d", ¤t_value);
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if (ret != 1) {
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fprintf(stderr, "Could not parse integer \"%s\"!\n", current_arg);
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return 0;
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}
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current_arg = strchr(current_arg, ',');
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//Skip the , if we found one
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if (current_arg) ++current_arg;
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values[*nslices] = current_value;
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++(*nslices);
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if (MAX_SLICES <= *nslices) break;
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} while (current_arg);
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if (MAX_SLICES <= *nslices || 0 >= *nslices) {
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fprintf(stderr, "Invalid number of slices (0 < %d <= %d = MAX_SLICES)!\n", *nslices, MAX_SLICES);
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return 0;
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}
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*array = MALLOC(int32_t, *nslices);
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if (!*array) {
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fprintf(stderr, "Could not allocate array for slices\n");
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return 0;
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}
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//TODO: memcpy?
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for (i = 0; i < *nslices; ++i) {
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(*array)[i] = values[i];
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}
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return 1;
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}
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int kvz_config_parse(kvz_config *cfg, const char *name, const char *value)
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{
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static const char * const me_names[] = { "hexbs", "tz", NULL };
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static const char * const source_scan_type_names[] = { "progressive", "tff", "bff", NULL };
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static const char * const overscan_names[] = { "undef", "show", "crop", NULL };
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static const char * const videoformat_names[] = { "component", "pal", "ntsc", "secam", "mac", "undef", NULL };
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static const char * const range_names[] = { "tv", "pc", NULL };
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static const char * const colorprim_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m",
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"smpte240m", "film", "bt2020", NULL };
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static const char * const transfer_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m",
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"smpte240m", "linear", "log100", "log316", "iec61966-2-4",
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"bt1361e", "iec61966-2-1", "bt2020-10", "bt2020-12", NULL };
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static const char * const colormatrix_names[] = { "GBR", "bt709", "undef", "", "fcc", "bt470bg", "smpte170m",
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"smpte240m", "YCgCo", "bt2020nc", "bt2020c", NULL };
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if (!name)
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return 0;
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if (!value)
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value = "true";
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// Treat "--no-param" as --param 0
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if ((!strncmp(name, "no-", 3))) {
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name += 3;
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value = atobool(value) ? "false" : "true";
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}
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#define OPT(STR) (!strcmp(name, STR))
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if OPT("width")
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cfg->width = atoi(value);
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else if OPT("height")
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cfg->height = atoi(value);
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else if OPT("input-res")
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if (!strcmp(value, "auto")) {
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return 1;
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} else {
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return (sscanf(value, "%dx%d", &cfg->width, &cfg->height) == 2);
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}
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else if OPT("input-fps")
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cfg->framerate = atof(value);
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else if OPT("qp")
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cfg->qp = atoi(value);
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else if OPT("period")
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cfg->intra_period = atoi(value);
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else if OPT("vps-period")
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cfg->vps_period = atoi(value);
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else if OPT("ref")
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cfg->ref_frames = atoi(value);
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else if OPT("deblock") {
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int beta, tc;
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if (2 == sscanf(value, "%d:%d", &beta, &tc)) {
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cfg->deblock_enable = 1;
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cfg->deblock_beta = beta;
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cfg->deblock_tc = tc;
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} else if (sscanf(value, "%d", &beta)) {
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cfg->deblock_enable = 1;
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cfg->deblock_beta = beta;
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cfg->deblock_tc = cfg->deblock_beta;
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} else {
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cfg->deblock_enable = atobool(value);
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}
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}
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else if OPT("sao")
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cfg->sao_enable = atobool(value);
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else if OPT("rdoq")
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cfg->rdoq_enable = atobool(value);
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else if OPT("signhide")
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cfg->signhide_enable = (bool)atobool(value);
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else if OPT("rd")
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cfg->rdo = atoi(value);
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else if OPT("full-intra-search")
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cfg->full_intra_search = atobool(value);
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else if OPT("transform-skip")
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cfg->trskip_enable = atobool(value);
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else if OPT("tr-depth-intra")
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cfg->tr_depth_intra = atoi(value);
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else if OPT("me") {
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int8_t ime_algorithm = 0;
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if (!parse_enum(value, me_names, &ime_algorithm)) return 0;
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cfg->ime_algorithm = ime_algorithm;
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}
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else if OPT("subme")
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cfg->fme_level = atoi(value);
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else if OPT("source-scan-type")
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return parse_enum(value, source_scan_type_names, &cfg->source_scan_type);
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else if OPT("sar")
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return sscanf(value, "%d:%d", &cfg->vui.sar_width, &cfg->vui.sar_height) == 2;
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else if OPT("overscan")
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return parse_enum(value, overscan_names, &cfg->vui.overscan);
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else if OPT("videoformat")
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return parse_enum(value, videoformat_names, &cfg->vui.videoformat);
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else if OPT("range")
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return parse_enum(value, range_names, &cfg->vui.fullrange);
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else if OPT("colorprim")
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return parse_enum(value, colorprim_names, &cfg->vui.colorprim);
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else if OPT("transfer")
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return parse_enum(value, transfer_names, &cfg->vui.transfer);
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else if OPT("colormatrix")
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return parse_enum(value, colormatrix_names, &cfg->vui.colormatrix);
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else if OPT("chromaloc")
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cfg->vui.chroma_loc = atoi(value);
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else if OPT("aud")
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cfg->aud_enable = atobool(value);
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else if OPT("cqmfile")
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cfg->cqmfile = strdup(value);
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else if OPT("tiles-width-split")
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return parse_tiles_specification(value, &cfg->tiles_width_count, &cfg->tiles_width_split);
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else if OPT("tiles-height-split")
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return parse_tiles_specification(value, &cfg->tiles_height_count, &cfg->tiles_height_split);
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else if OPT("wpp")
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cfg->wpp = atobool(value);
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else if OPT("owf") {
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cfg->owf = atoi(value);
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if (cfg->owf == 0 && !strcmp(value, "auto")) {
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// -1 means automatic selection
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cfg->owf = -1;
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}
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}
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else if OPT("slice-addresses")
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return parse_slice_specification(value, &cfg->slice_count, &cfg->slice_addresses_in_ts);
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else if OPT("threads")
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cfg->threads = atoi(value);
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else if OPT("cpuid")
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cfg->cpuid = atoi(value);
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else if OPT("pu-depth-inter")
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return sscanf(value, "%d-%d", &cfg->pu_depth_inter.min, &cfg->pu_depth_inter.max) == 2;
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else if OPT("pu-depth-intra")
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return sscanf(value, "%d-%d", &cfg->pu_depth_intra.min, &cfg->pu_depth_intra.max) == 2;
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else if OPT("info")
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cfg->add_encoder_info = atobool(value);
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else if OPT("gop") {
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// TODO: Defining the whole GOP structure via parameters
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if(atoi(value) == 8) {
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// GOP
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cfg->gop_len = 8;
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cfg->gop[0].poc_offset = 8; cfg->gop[0].qp_offset = 1; cfg->gop[0].layer = 1; cfg->gop[0].qp_factor = 0.442; cfg->gop[0].is_ref = 1;
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cfg->gop[0].ref_pos_count = 0;
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cfg->gop[0].ref_neg_count = 3; cfg->gop[0].ref_neg[0] = 8; cfg->gop[0].ref_neg[1] = 12; cfg->gop[0].ref_neg[2] = 16;
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cfg->gop[1].poc_offset = 4; cfg->gop[1].qp_offset = 2; cfg->gop[1].layer = 2; cfg->gop[1].qp_factor = 0.3536; cfg->gop[1].is_ref = 1;
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cfg->gop[1].ref_neg_count = 2; cfg->gop[1].ref_neg[0] = 4; cfg->gop[1].ref_neg[1] = 8;
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cfg->gop[1].ref_pos_count = 1; cfg->gop[1].ref_pos[0] = 4;
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cfg->gop[2].poc_offset = 2; cfg->gop[2].qp_offset = 3; cfg->gop[2].layer = 3; cfg->gop[2].qp_factor = 0.3536; cfg->gop[2].is_ref = 1;
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cfg->gop[2].ref_neg_count = 2; cfg->gop[2].ref_neg[0] = 2; cfg->gop[2].ref_neg[1] = 6;
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cfg->gop[2].ref_pos_count = 2; cfg->gop[2].ref_pos[0] = 2; cfg->gop[2].ref_pos[1] = 6;
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cfg->gop[3].poc_offset = 1; cfg->gop[3].qp_offset = 4; cfg->gop[3].layer = 4; cfg->gop[3].qp_factor = 0.68; cfg->gop[3].is_ref = 0;
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cfg->gop[3].ref_neg_count = 1; cfg->gop[3].ref_neg[0] = 1;
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cfg->gop[3].ref_pos_count = 3; cfg->gop[3].ref_pos[0] = 1; cfg->gop[3].ref_pos[1] = 3; cfg->gop[3].ref_pos[2] = 7;
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cfg->gop[4].poc_offset = 3; cfg->gop[4].qp_offset = 4; cfg->gop[4].layer = 4; cfg->gop[4].qp_factor = 0.68; cfg->gop[4].is_ref = 0;
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cfg->gop[4].ref_neg_count = 2; cfg->gop[4].ref_neg[0] = 1; cfg->gop[4].ref_neg[1] = 3;
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cfg->gop[4].ref_pos_count = 2; cfg->gop[4].ref_pos[0] = 1; cfg->gop[4].ref_pos[1] = 5;
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cfg->gop[5].poc_offset = 6; cfg->gop[5].qp_offset = 3; cfg->gop[5].layer = 3; cfg->gop[5].qp_factor = 0.3536; cfg->gop[5].is_ref = 1;
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cfg->gop[5].ref_neg_count = 2; cfg->gop[5].ref_neg[0] = 2; cfg->gop[5].ref_neg[1] = 6;
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cfg->gop[5].ref_pos_count = 1; cfg->gop[5].ref_pos[0] = 2;
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cfg->gop[6].poc_offset = 5; cfg->gop[6].qp_offset = 4; cfg->gop[6].layer = 4; cfg->gop[6].qp_factor = 0.68; cfg->gop[6].is_ref = 0;
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cfg->gop[6].ref_neg_count = 2; cfg->gop[6].ref_neg[0] = 1; cfg->gop[6].ref_neg[1] = 5;
|
|
cfg->gop[6].ref_pos_count = 2; cfg->gop[6].ref_pos[0] = 1; cfg->gop[6].ref_pos[1] = 3;
|
|
|
|
cfg->gop[7].poc_offset = 7; cfg->gop[7].qp_offset = 4; cfg->gop[7].layer = 4; cfg->gop[7].qp_factor = 0.68; cfg->gop[7].is_ref = 0;
|
|
cfg->gop[7].ref_neg_count = 3; cfg->gop[7].ref_neg[0] = 1; cfg->gop[7].ref_neg[1] = 3; cfg->gop[7].ref_neg[2] = 7;
|
|
cfg->gop[7].ref_pos_count = 1; cfg->gop[7].ref_pos[0] = 1;
|
|
} else if (atoi(value)) {
|
|
fprintf(stderr, "Input error: unsupported gop length, must be 0 or 8\n");
|
|
return 0;
|
|
}
|
|
}
|
|
else if OPT("bipred")
|
|
cfg->bipred = atobool(value);
|
|
else if OPT("bitrate")
|
|
cfg->target_bitrate = atoi(value);
|
|
else
|
|
return 0;
|
|
#undef OPT
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* \brief Check that configuration is sensible.
|
|
*
|
|
* \param cfg config to check
|
|
* \return 1 if the config is ok, otherwise 1
|
|
*/
|
|
int kvz_config_validate(const kvz_config *const cfg)
|
|
{
|
|
int error = 0;
|
|
|
|
if (cfg->width <= 0) {
|
|
fprintf(stderr, "Input error: width must be positive\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->height <= 0) {
|
|
fprintf(stderr, "Input error: height must be positive\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->width % 2 != 0) {
|
|
fprintf(stderr, "Input error: width must be a multiple of two\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->height % 2 != 0) {
|
|
fprintf(stderr, "Input error: height must be a multiple of two\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->framerate <= 0.0) {
|
|
fprintf(stderr, "Input error: --input-fps must be positive\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->gop_len &&
|
|
cfg->intra_period &&
|
|
cfg->intra_period % cfg->gop_len != 0) {
|
|
fprintf(stderr,
|
|
"Input error: intra period (%d) not a multiple of gop length (%d)\n",
|
|
cfg->intra_period,
|
|
cfg->gop_len);
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->ref_frames < 1 || cfg->ref_frames >= MAX_REF_PIC_COUNT) {
|
|
fprintf(stderr, "Input error: --ref out of range [1..%d]\n", MAX_REF_PIC_COUNT - 1);
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->deblock_beta < -6 || cfg->deblock_beta > 6) {
|
|
fprintf(stderr, "Input error: deblock beta parameter out of range [-6..6]\n");
|
|
error = 1;
|
|
}
|
|
if (cfg->deblock_tc < -6 || cfg->deblock_tc > 6) {
|
|
fprintf(stderr, "Input error: deblock tc parameter out of range [-6..6]\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->rdo < 0 || cfg->rdo > 3) {
|
|
fprintf(stderr, "Input error: --rd parameter out of range [0..3]\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->tr_depth_intra < 0 || cfg->tr_depth_intra > 4) {
|
|
// range is 0 .. CtbLog2SizeY - Log2MinTrafoSize
|
|
fprintf(stderr, "Input error: --tr-depth-intra is out of range [0..4]\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->fme_level != 0 && cfg->fme_level != 1) {
|
|
fprintf(stderr, "Input error: invalid --subme parameter (must be 0 or 1)\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->vui.chroma_loc < 0 || cfg->vui.chroma_loc > 5) {
|
|
fprintf(stderr, "Input error: --chromaloc parameter out of range [0..5]\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->owf < -1) {
|
|
fprintf(stderr, "Input error: --owf must be nonnegative or -1\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (cfg->target_bitrate < 0) {
|
|
fprintf(stderr, "Input error: --bitrate must be nonnegative\n");
|
|
error = 1;
|
|
}
|
|
|
|
if (!WITHIN(cfg->pu_depth_inter.min, PU_DEPTH_INTER_MIN, PU_DEPTH_INTER_MAX) ||
|
|
!WITHIN(cfg->pu_depth_inter.max, PU_DEPTH_INTER_MIN, PU_DEPTH_INTER_MAX))
|
|
{
|
|
fprintf(stderr, "Input error: illegal value for --pu-depth-inter (%d-%d)\n",
|
|
cfg->pu_depth_inter.min, cfg->pu_depth_inter.max);
|
|
error = 1;
|
|
} else if (cfg->pu_depth_inter.min > cfg->pu_depth_inter.max) {
|
|
fprintf(stderr, "Input error: Inter PU depth min (%d) > max (%d)\n",
|
|
cfg->pu_depth_inter.min, cfg->pu_depth_inter.max);
|
|
error = 1;
|
|
}
|
|
|
|
if (!WITHIN(cfg->pu_depth_intra.min, PU_DEPTH_INTRA_MIN, PU_DEPTH_INTRA_MAX) ||
|
|
!WITHIN(cfg->pu_depth_intra.max, PU_DEPTH_INTRA_MIN, PU_DEPTH_INTRA_MAX))
|
|
{
|
|
fprintf(stderr, "Input error: illegal value for --pu-depth-intra (%d-%d)\n",
|
|
cfg->pu_depth_intra.min, cfg->pu_depth_intra.max);
|
|
error = 1;
|
|
} else if (cfg->pu_depth_intra.min > cfg->pu_depth_intra.max) {
|
|
fprintf(stderr, "Input error: Intra PU depth min (%d) > max (%d)\n",
|
|
cfg->pu_depth_intra.min, cfg->pu_depth_intra.max);
|
|
error = 1;
|
|
}
|
|
|
|
// Tile separation should be at round position in terms of LCU, should be monotonic, and should not start by 0
|
|
if (cfg->tiles_width_split) {
|
|
int i;
|
|
int32_t prev_tile_split = 0;
|
|
for (i=0; i < cfg->tiles_width_count; ++i) {
|
|
if (cfg->tiles_width_split[i] <= prev_tile_split) {
|
|
fprintf(stderr, "Input error: tile separations in width should be strictly monotonic (%d <= %d)\n", cfg->tiles_width_split[i], prev_tile_split);
|
|
error = 1;
|
|
break;
|
|
}
|
|
if ((cfg->tiles_width_split[i] % LCU_WIDTH) != 0) {
|
|
fprintf(stderr, "Input error: tile separation in width %d (at %d) is not at a multiple of LCU_WIDTH (%d)\n", i, cfg->tiles_width_split[i], LCU_WIDTH);
|
|
error = 1;
|
|
break;
|
|
}
|
|
prev_tile_split = cfg->tiles_width_split[i];
|
|
}
|
|
if (cfg->tiles_width_split[cfg->tiles_width_count-1] >= cfg->width) {
|
|
fprintf(stderr, "Input error: last x tile separation in width (%d) should smaller than image width (%d)\n", cfg->tiles_width_split[cfg->tiles_width_count-1], cfg->width);
|
|
error = 1;
|
|
}
|
|
}
|
|
|
|
if (cfg->tiles_height_split) {
|
|
int i;
|
|
int32_t prev_tile_split = 0;
|
|
for (i=0; i < cfg->tiles_height_count; ++i) {
|
|
if (cfg->tiles_height_split[i] <= prev_tile_split) {
|
|
fprintf(stderr, "Input error: tile separations in height should be strictly monotonic (%d <= %d)\n", cfg->tiles_height_split[i], prev_tile_split);
|
|
error = 1;
|
|
break;
|
|
}
|
|
if ((cfg->tiles_height_split[i] % LCU_WIDTH) != 0) {
|
|
fprintf(stderr, "Input error: tile separation in height %d (at %d) is not at a multiple of LCU_WIDTH (%d)\n", i, cfg->tiles_height_split[i], LCU_WIDTH);
|
|
error = 1;
|
|
break;
|
|
}
|
|
prev_tile_split = cfg->tiles_height_split[i];
|
|
}
|
|
|
|
if (cfg->tiles_height_split[cfg->tiles_height_count-1] >= cfg->height) {
|
|
fprintf(stderr, "Input error: last tile separation in height (%d) should smaller than image height (%d)\n", cfg->tiles_height_split[cfg->tiles_height_count-1], cfg->height);
|
|
error = 1;
|
|
}
|
|
}
|
|
|
|
return !error;
|
|
}
|