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uvg266/src/cfg.c

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/*****************************************************************************
* This file is part of Kvazaar HEVC encoder.
*
* Copyright (C) 2013-2015 Tampere University of Technology and others (see
* COPYING file).
*
* Kvazaar is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "cfg.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
kvz_config *kvz_config_alloc(void)
{
kvz_config *cfg = (kvz_config *)malloc(sizeof(kvz_config));
if (!cfg) {
fprintf(stderr, "Failed to allocate a config object!\n");
return cfg;
}
FILL(*cfg, 0);
return cfg;
}
int kvz_config_init(kvz_config *cfg)
{
cfg->width = 0;
cfg->height = 0;
cfg->framerate = 25; // deprecated and will be removed.
cfg->framerate_num = 0;
cfg->framerate_denom = 1;
cfg->qp = 32;
cfg->intra_period = 0;
cfg->vps_period = 0;
cfg->deblock_enable = 1;
cfg->deblock_beta = 0;
cfg->deblock_tc = 0;
cfg->sao_enable = 1;
cfg->rdoq_enable = 1;
cfg->signhide_enable = true;
cfg->smp_enable = false;
cfg->amp_enable = false;
cfg->rdo = 1;
cfg->mv_rdo = 0;
cfg->full_intra_search = 0;
cfg->trskip_enable = 1;
cfg->tr_depth_intra = 0;
cfg->ime_algorithm = 0; /* hexbs */
cfg->fme_level = 1;
cfg->source_scan_type = 0; /* progressive */
cfg->vui.sar_width = 0;
cfg->vui.sar_height = 0;
cfg->vui.overscan = 0; /* undef */
cfg->vui.videoformat = 5; /* undef */
cfg->vui.fullrange = 0; /* limited range */
cfg->vui.colorprim = 2; /* undef */
cfg->vui.transfer = 2; /* undef */
cfg->vui.colormatrix = 2; /* undef */
cfg->vui.chroma_loc = 0; /* left center */
cfg->aud_enable = 0;
cfg->cqmfile = NULL;
cfg->ref_frames = DEFAULT_REF_PIC_COUNT;
cfg->gop_len = 0;
cfg->bipred = 0;
cfg->target_bitrate = 0;
cfg->hash = KVZ_HASH_CHECKSUM;
cfg->cu_split_termination = KVZ_CU_SPLIT_TERMINATION_ZERO;
cfg->tiles_width_count = 1;
cfg->tiles_height_count = 1;
cfg->tiles_width_split = NULL;
cfg->tiles_height_split = NULL;
cfg->wpp = 0;
cfg->owf = -1;
cfg->slice_count = 1;
cfg->slice_addresses_in_ts = MALLOC(int32_t, 1);
cfg->slice_addresses_in_ts[0] = 0;
cfg->threads = 0;
cfg->cpuid = 1;
// Defaults for what sizes of PUs are tried.
cfg->pu_depth_inter.min = 0; // 0-3
cfg->pu_depth_inter.max = 3; // 0-3
cfg->pu_depth_intra.min = 1; // 0-4
cfg->pu_depth_intra.max = 4; // 0-4
cfg->add_encoder_info = true;
cfg->calc_psnr = true;
cfg->mv_constraint = KVZ_MV_CONSTRAIN_NONE;
return 1;
}
int kvz_config_destroy(kvz_config *cfg)
{
if (cfg) {
FREE_POINTER(cfg->cqmfile);
FREE_POINTER(cfg->tiles_width_split);
FREE_POINTER(cfg->tiles_height_split);
FREE_POINTER(cfg->slice_addresses_in_ts);
}
free(cfg);
return 1;
}
static int atobool(const char *str)
{
if (!strcmp(str, "1") ||
!strcmp(str, "true") ||
!strcmp(str, "yes"))
return 1;
if (!strcmp(str, "0") ||
!strcmp(str, "false") ||
!strcmp(str, "no"))
return 0;
return 0;
}
static int parse_enum(const char *arg, const char * const *names, int8_t *dst)
{
int8_t i;
for (i = 0; names[i]; i++) {
if (!strcmp(arg, names[i])) {
*dst = i;
return 1;
}
}
return 0;
}
static int parse_tiles_specification(const char* const arg, int32_t * const ntiles, int32_t** const array) {
const char* current_arg = NULL;
int32_t current_value;
int32_t values[MAX_TILES_PER_DIM];
int i;
//Free pointer in any case
if (*array) {
FREE_POINTER(*array);
}
//If the arg starts with u, we want an uniform split
if (arg[0]=='u') {
*ntiles = atoi(arg + 1);
if (MAX_TILES_PER_DIM <= *ntiles || 1 >= *ntiles) {
fprintf(stderr, "Invalid number of tiles (1 <= %d <= %d = MAX_TILES_PER_DIM)!\n", *ntiles, MAX_TILES_PER_DIM);
return 0;
}
//Done with parsing
return 1;
}
//We have a comma-separated list of int for the split...
current_arg = arg;
*ntiles = 1;
do {
int ret = sscanf(current_arg, "%d", &current_value);
if (ret != 1) {
fprintf(stderr, "Could not parse integer \"%s\"!\n", current_arg);
return 0;
}
current_arg = strchr(current_arg, ',');
//Skip the , if we found one
if (current_arg) ++current_arg;
values[*ntiles - 1] = current_value;
++(*ntiles);
if (MAX_TILES_PER_DIM <= *ntiles) break;
} while (current_arg);
if (MAX_TILES_PER_DIM <= *ntiles || 1 >= *ntiles) {
fprintf(stderr, "Invalid number of tiles (1 <= %d <= %d = MAX_TILES_PER_DIM)!\n", *ntiles, MAX_TILES_PER_DIM);
return 0;
}
*array = MALLOC(int32_t, *ntiles - 1);
if (!*array) {
fprintf(stderr, "Could not allocate array for tiles\n");
return 0;
}
//TODO: memcpy?
for (i = 0; i < *ntiles - 1; ++i) {
(*array)[i] = values[i];
}
return 1;
}
static int parse_slice_specification(const char* const arg, int32_t * const nslices, int32_t** const array) {
const char* current_arg = NULL;
int32_t current_value;
int32_t values[MAX_SLICES];
int i;
//Free pointer in any case
if (*array) {
FREE_POINTER(*array);
}
//If the arg starts with u, we want an uniform split
if (arg[0]=='u') {
*nslices = atoi(arg+1);
if (MAX_SLICES <= *nslices || 0 >= *nslices) {
fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_SLICES)!\n", *nslices + 1, MAX_SLICES);
return 0;
}
//Done with parsing
return 1;
}
//We have a comma-separated list of int for the split...
current_arg = arg;
//We always have a slice starting at 0
values[0] = 0;
*nslices = 1;
do {
int ret = sscanf(current_arg, "%d", &current_value);
if (ret != 1) {
fprintf(stderr, "Could not parse integer \"%s\"!\n", current_arg);
return 0;
}
current_arg = strchr(current_arg, ',');
//Skip the , if we found one
if (current_arg) ++current_arg;
values[*nslices] = current_value;
++(*nslices);
if (MAX_SLICES <= *nslices) break;
} while (current_arg);
if (MAX_SLICES <= *nslices || 0 >= *nslices) {
fprintf(stderr, "Invalid number of slices (0 < %d <= %d = MAX_SLICES)!\n", *nslices, MAX_SLICES);
return 0;
}
*array = MALLOC(int32_t, *nslices);
if (!*array) {
fprintf(stderr, "Could not allocate array for slices\n");
return 0;
}
//TODO: memcpy?
for (i = 0; i < *nslices; ++i) {
(*array)[i] = values[i];
}
return 1;
}
int kvz_config_parse(kvz_config *cfg, const char *name, const char *value)
{
static const char * const me_names[] = { "hexbs", "tz", "full", NULL };
static const char * const source_scan_type_names[] = { "progressive", "tff", "bff", NULL };
static const char * const overscan_names[] = { "undef", "show", "crop", NULL };
static const char * const videoformat_names[] = { "component", "pal", "ntsc", "secam", "mac", "undef", NULL };
static const char * const range_names[] = { "tv", "pc", NULL };
static const char * const colorprim_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m",
"smpte240m", "film", "bt2020", NULL };
static const char * const transfer_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m",
"smpte240m", "linear", "log100", "log316", "iec61966-2-4",
"bt1361e", "iec61966-2-1", "bt2020-10", "bt2020-12", NULL };
static const char * const colormatrix_names[] = { "GBR", "bt709", "undef", "", "fcc", "bt470bg", "smpte170m",
"smpte240m", "YCgCo", "bt2020nc", "bt2020c", NULL };
static const char * const mv_constraint_names[] = { "none", "frame", "tile", "frametile", "frametilemargin", NULL };
static const char * const hash_names[] = { "none", "checksum", "md5", NULL };
static const char * const cu_split_termination_names[] = { "zero", "off", NULL };
static const char * const preset_values[11][28] = {
{
"ultrafast",
"pu-depth-intra", "2-3",
"pu-depth-inter", "1-3",
"rd", "0",
"me", "hexbs",
"ref", "1",
"deblock", "0",
"signhide", "0",
"subme", "0",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"superfast",
"pu-depth-intra", "1-3",
"pu-depth-inter", "1-3",
"rd", "1",
"me", "hexbs",
"ref", "1",
"deblock", "0",
"signhide", "0",
"subme", "0",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"veryfast",
"pu-depth-intra", "1-3",
"pu-depth-inter", "0-3",
"rd", "1",
"me", "hexbs",
"ref", "2",
"deblock", "1",
"signhide", "0",
"subme", "0",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"faster",
"pu-depth-intra", "1-3",
"pu-depth-inter", "0-3",
"rd", "1",
"me", "hexbs",
"ref", "2",
"deblock", "1",
"signhide", "1",
"subme", "0",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"fast",
"pu-depth-intra", "1-3",
"pu-depth-inter", "0-3",
"rd", "1",
"me", "hexbs",
"ref", "2",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"medium",
"pu-depth-intra", "1-4",
"pu-depth-inter", "0-3",
"rd", "1",
"me", "hexbs",
"ref", "3",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "0",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"slow",
"pu-depth-intra", "1-4",
"pu-depth-inter", "0-3",
"rd", "2",
"me", "hexbs",
"ref", "3",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "1",
"rdoq", "0",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"slower",
"pu-depth-intra", "1-4",
"pu-depth-inter", "0-3",
"rd", "2",
"me", "tz",
"ref", "4",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "1",
"rdoq", "1",
"transform-skip", "0",
"full-intra-search", "0",
"mv-rdo", "0",
NULL
},
{
"veryslow",
"pu-depth-intra", "1-4",
"pu-depth-inter", "0-3",
"rd", "2",
"me", "tz",
"ref", "4",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "1",
"rdoq", "1",
"transform-skip", "1",
"full-intra-search", "0",
"mv-rdo", "1",
NULL
},
{
"placebo",
"pu-depth-intra", "0-4",
"pu-depth-inter", "0-3",
"rd", "3",
"me", "tz",
"ref", "6",
"deblock", "1",
"signhide", "1",
"subme", "1",
"sao", "1",
"rdoq", "1",
"transform-skip", "1",
"full-intra-search", "1",
"mv-rdo", "1",
NULL
},
{ NULL }
};
if (!name)
return 0;
if (!value)
value = "true";
// Treat "--no-param" as --param 0
if ((!strncmp(name, "no-", 3))) {
name += 3;
value = atobool(value) ? "false" : "true";
}
#define OPT(STR) (!strcmp(name, STR))
if OPT("width")
cfg->width = atoi(value);
else if OPT("height")
cfg->height = atoi(value);
else if OPT("input-res")
if (!strcmp(value, "auto")) {
return 1;
} else {
return (sscanf(value, "%dx%d", &cfg->width, &cfg->height) == 2);
}
else if OPT("input-fps") {
int32_t fps_num, fps_denom;
if (sscanf(value, "%d/%d", &fps_num, &fps_denom) == 2) {
cfg->framerate_num = fps_num;
cfg->framerate_denom = fps_denom;
} else {
// Accept decimal notation, making sure not to round 0 to 1.
cfg->framerate_num = (int)(atof(value) * 1000 + 0.49);
cfg->framerate_denom = 1000;
}
}
else if OPT("qp")
cfg->qp = atoi(value);
else if OPT("period")
cfg->intra_period = atoi(value);
else if OPT("vps-period")
cfg->vps_period = atoi(value);
else if OPT("ref")
cfg->ref_frames = atoi(value);
else if OPT("deblock") {
int beta, tc;
if (2 == sscanf(value, "%d:%d", &beta, &tc)) {
cfg->deblock_enable = 1;
cfg->deblock_beta = beta;
cfg->deblock_tc = tc;
} else {
cfg->deblock_enable = atobool(value);
}
}
else if OPT("sao")
cfg->sao_enable = atobool(value);
else if OPT("rdoq")
cfg->rdoq_enable = atobool(value);
else if OPT("signhide")
cfg->signhide_enable = (bool)atobool(value);
else if OPT("smp")
cfg->smp_enable = (bool)atobool(value);
else if OPT("amp")
cfg->amp_enable = (bool)atobool(value);
else if OPT("rd")
cfg->rdo = atoi(value);
else if OPT("full-intra-search")
cfg->full_intra_search = atobool(value);
else if OPT("transform-skip")
cfg->trskip_enable = atobool(value);
else if OPT("tr-depth-intra")
cfg->tr_depth_intra = atoi(value);
else if OPT("me") {
int8_t ime_algorithm = 0;
if (!parse_enum(value, me_names, &ime_algorithm)) return 0;
cfg->ime_algorithm = ime_algorithm;
}
else if OPT("subme")
cfg->fme_level = atoi(value);
else if OPT("source-scan-type")
return parse_enum(value, source_scan_type_names, &cfg->source_scan_type);
else if OPT("mv-constraint")
{
int8_t constraint = KVZ_MV_CONSTRAIN_NONE;
int result = parse_enum(value, mv_constraint_names, &constraint);
cfg->mv_constraint = constraint;
return result;
}
else if OPT("sar")
return sscanf(value, "%d:%d", &cfg->vui.sar_width, &cfg->vui.sar_height) == 2;
else if OPT("overscan")
return parse_enum(value, overscan_names, &cfg->vui.overscan);
else if OPT("videoformat")
return parse_enum(value, videoformat_names, &cfg->vui.videoformat);
else if OPT("range")
return parse_enum(value, range_names, &cfg->vui.fullrange);
else if OPT("colorprim")
return parse_enum(value, colorprim_names, &cfg->vui.colorprim);
else if OPT("transfer")
return parse_enum(value, transfer_names, &cfg->vui.transfer);
else if OPT("colormatrix")
return parse_enum(value, colormatrix_names, &cfg->vui.colormatrix);
else if OPT("chromaloc")
cfg->vui.chroma_loc = atoi(value);
else if OPT("aud")
cfg->aud_enable = atobool(value);
else if OPT("cqmfile")
cfg->cqmfile = strdup(value);
else if OPT("tiles-width-split")
return parse_tiles_specification(value, &cfg->tiles_width_count, &cfg->tiles_width_split);
else if OPT("tiles-height-split")
return parse_tiles_specification(value, &cfg->tiles_height_count, &cfg->tiles_height_split);
else if OPT("tiles")
{
// A simpler interface for setting tiles, accepting only uniform split.
unsigned width;
unsigned height;
if (2 != sscanf(value, "%ux%u", &width, &height)) {
fprintf(stderr, "Wrong format for tiles. Expected \"%%ux%%u\", but got \"%s\"\n", value);
return 0;
}
if (MAX_TILES_PER_DIM <= width || 1 > width) {
fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_TILES_PER_DIM)!\n", width, MAX_TILES_PER_DIM);
return 0;
}
if (MAX_TILES_PER_DIM <= height || 1 > height) {
fprintf(stderr, "Invalid number of tiles (0 < %d <= %d = MAX_TILES_PER_DIM)!\n", height, MAX_TILES_PER_DIM);
return 0;
}
// Free split arrays incase they have already been set by another parameter.
FREE_POINTER(cfg->tiles_width_split);
FREE_POINTER(cfg->tiles_height_split);
cfg->tiles_width_count = width;
cfg->tiles_height_count = height;
return 1;
}
else if OPT("wpp")
cfg->wpp = atobool(value);
else if OPT("owf") {
cfg->owf = atoi(value);
if (cfg->owf == 0 && !strcmp(value, "auto")) {
// -1 means automatic selection
cfg->owf = -1;
}
}
else if OPT("slice-addresses")
return parse_slice_specification(value, &cfg->slice_count, &cfg->slice_addresses_in_ts);
else if OPT("threads")
cfg->threads = atoi(value);
else if OPT("cpuid")
cfg->cpuid = atoi(value);
else if OPT("pu-depth-inter")
return sscanf(value, "%d-%d", &cfg->pu_depth_inter.min, &cfg->pu_depth_inter.max) == 2;
else if OPT("pu-depth-intra")
return sscanf(value, "%d-%d", &cfg->pu_depth_intra.min, &cfg->pu_depth_intra.max) == 2;
else if OPT("info")
cfg->add_encoder_info = atobool(value);
else if OPT("gop") {
if (!strncmp(value, "lp-", 3)) { // Handle GOPs starting with "lp-".
struct {
unsigned g; // length
unsigned d; // depth
unsigned r; // references
unsigned t; // temporal
} gop = { 0 };
if (sscanf(value, "lp-g%ud%ur%ut%u", &gop.g, &gop.d, &gop.r, &gop.t) != 4) {
fprintf(stderr, "Error in GOP syntax. Example: lp-g8d4r2t2\n");
return 0;
}
if (gop.g < 1 || gop.g > 32) {
fprintf(stderr, "gop.g must be between 1 and 32.\n");
}
if (gop.d < 1 || gop.d > 8) {
fprintf(stderr, "gop.d must be between 1 and 8.\n");
}
if (gop.r < 1 || gop.r > 15) {
fprintf(stderr, "gop.d must be between 1 and 15.\n");
}
if (gop.t < 1 || gop.t > 15) {
fprintf(stderr, "gop.t must be between 1 and 32.\n");
}
// Initialize modulos for testing depth.
// The picture belong to the lowest depth in which (poc % modulo) == 0.
unsigned depth_modulos[8] = { 0 };
for (int d = 0; d < gop.d; ++d) {
depth_modulos[gop.d - 1 - d] = 1 << d;
}
depth_modulos[0] = gop.g;
cfg->gop_lowdelay = 1;
cfg->gop_len = gop.g;
for (int g = 1; g <= gop.g; ++g) {
kvz_gop_config *gop_pic = &cfg->gop[g - 1];
// Find gop depth for picture.
int gop_layer = 0;
while (gop_layer < gop.d && (g % depth_modulos[gop_layer])) {
++gop_layer;
}
gop_pic->poc_offset = g;
gop_pic->layer = gop_layer + 1;
gop_pic->qp_offset = gop_layer + 1;
gop_pic->ref_pos_count = 0;
gop_pic->ref_neg_count = gop.r;
gop_pic->is_ref = 0;
// Set first ref to point to previous frame, and the rest to previous
// key-frames.
// If gop.t > 1, have (poc % gop.t) == 0 point gop.t frames away,
// instead of the previous frame. Set the frames in between to
// point to the nearest frame with a lower gop-depth.
if (gop.t > 1) {
if (gop_pic->poc_offset % gop.t == 0) {
gop_pic->ref_neg[0] = gop.t;
} else {
int r = gop_pic->poc_offset - 1;
while (r > 0) {
if (cfg->gop[r].layer < gop_pic->layer) break;
--r;
}
// Var r is now 0 or index of the pic with layer < depth.
if (cfg->gop[r].layer < gop_pic->layer) {
gop_pic->ref_neg[0] = gop_pic->poc_offset - cfg->gop[r].poc_offset;
cfg->gop[r].is_ref = 1;
} else {
// No ref was found, just refer to the previous key-frame.
gop_pic->ref_neg[0] = gop_pic->poc_offset % gop.g;
}
}
} else {
gop_pic->ref_neg[0] = 1;
if (gop_pic->poc_offset >= 2) {
cfg->gop[gop_pic->poc_offset - 2].is_ref = 1;
}
}
int keyframe = gop_pic->poc_offset;
for (int i = 1; i < gop_pic->ref_neg_count; ++i) {
while (keyframe == gop_pic->ref_neg[i - 1]) {
keyframe += gop.g;
}
gop_pic->ref_neg[i] = keyframe;
}
gop_pic->qp_factor = 0.4624; // from HM
}
for (int g = 0; g < gop.g; ++g) {
kvz_gop_config *gop_pic = &cfg->gop[g];
if (!gop_pic->is_ref) {
gop_pic->qp_factor = 0.68 * 1.31; // derived from HM
}
}
// Key-frame is always a reference.
cfg->gop[gop.g - 1].is_ref = 1;
cfg->gop[gop.g - 1].qp_factor = 0.578; // from HM
} else if (atoi(value) == 8) {
cfg->gop_lowdelay = 0;
// GOP
cfg->gop_len = 8;
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;
cfg->gop[0].ref_pos_count = 0;
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;
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;
cfg->gop[1].ref_neg_count = 2; cfg->gop[1].ref_neg[0] = 4; cfg->gop[1].ref_neg[1] = 8;
cfg->gop[1].ref_pos_count = 1; cfg->gop[1].ref_pos[0] = 4;
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;
cfg->gop[2].ref_neg_count = 2; cfg->gop[2].ref_neg[0] = 2; cfg->gop[2].ref_neg[1] = 6;
cfg->gop[2].ref_pos_count = 2; cfg->gop[2].ref_pos[0] = 2; cfg->gop[2].ref_pos[1] = 6;
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;
cfg->gop[3].ref_neg_count = 1; cfg->gop[3].ref_neg[0] = 1;
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;
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;
cfg->gop[4].ref_neg_count = 2; cfg->gop[4].ref_neg[0] = 1; cfg->gop[4].ref_neg[1] = 3;
cfg->gop[4].ref_pos_count = 2; cfg->gop[4].ref_pos[0] = 1; cfg->gop[4].ref_pos[1] = 5;
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;
cfg->gop[5].ref_neg_count = 2; cfg->gop[5].ref_neg[0] = 2; cfg->gop[5].ref_neg[1] = 6;
cfg->gop[5].ref_pos_count = 1; cfg->gop[5].ref_pos[0] = 2;
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;
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 if OPT("preset") {
int preset_line = 0;
// Accept numbers from 0 to 9.
if ((atoi(value) == 0 && !strcmp(value, "0")) || (atoi(value) >= 1 && atoi(value) <= 9)) {
preset_line = atoi(value);
} else {
// Find the selected preset from the list
while (preset_values[preset_line][0] != NULL) {
if (!strcmp(value, preset_values[preset_line][0])) {
break;
}
preset_line++;
}
}
if (preset_values[preset_line][0] != NULL) {
fprintf(stderr, "Using preset %s: ", value);
// Loop all the name and value pairs and push to the config parser
for (int preset_value = 1; preset_values[preset_line][preset_value] != NULL; preset_value += 2) {
fprintf(stderr, "--%s=%s ", preset_values[preset_line][preset_value], preset_values[preset_line][preset_value + 1]);
kvz_config_parse(cfg, preset_values[preset_line][preset_value], preset_values[preset_line][preset_value + 1]);
}
fprintf(stderr, "\n");
} else {
fprintf(stderr, "Input error: unknown preset \"%s\"\n", value);
return 0;
}
}
else if OPT("mv-rdo")
cfg->mv_rdo = atobool(value);
else if OPT("psnr")
cfg->calc_psnr = (bool)atobool(value);
else if OPT("hash")
{
int8_t hash;
int result;
if ((result = parse_enum(value, hash_names, &hash))) {
cfg->hash = hash;
}
return result;
}
else if OPT("cu-split-termination")
parse_enum(value, cu_split_termination_names, cfg->cu_split_termination);
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->framerate_num < 0) {
fprintf(stderr, "Input error: --input-fps must >=0\n");
error = 1;
}
if (cfg->framerate_denom <= 0) {
fprintf(stderr, "Input error: --input-fps denominator must be >0\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 - 1; ++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 - 2] >= 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 - 2], 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 - 1; ++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 - 2] >= 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 - 2], cfg->height);
error = 1;
}
}
return !error;
}
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