109 строки
3.5 KiB
C
109 строки
3.5 KiB
C
/*
|
|
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
|
|
*
|
|
* This source code is subject to the terms of the BSD 2 Clause License and
|
|
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
|
|
* was not distributed with this source code in the LICENSE file, you can
|
|
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
|
|
* Media Patent License 1.0 was not distributed with this source code in the
|
|
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
|
|
*/
|
|
|
|
#include "./warnings.h"
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "aom/aom_encoder.h"
|
|
|
|
#include "./tools_common.h"
|
|
#include "./aomenc.h"
|
|
|
|
static const char quantizer_warning_string[] =
|
|
"Bad quantizer values. Quantizer values should not be equal, and should "
|
|
"differ by at least 8.";
|
|
static const char lag_in_frames_with_realtime[] =
|
|
"Lag in frames is ignored when deadline is set to realtime.";
|
|
|
|
struct WarningListNode {
|
|
const char *warning_string;
|
|
struct WarningListNode *next_warning;
|
|
};
|
|
|
|
struct WarningList {
|
|
struct WarningListNode *warning_node;
|
|
};
|
|
|
|
static void add_warning(const char *warning_string,
|
|
struct WarningList *warning_list) {
|
|
struct WarningListNode **node = &warning_list->warning_node;
|
|
|
|
struct WarningListNode *new_node = malloc(sizeof(*new_node));
|
|
if (new_node == NULL) {
|
|
fatal("Unable to allocate warning node.");
|
|
}
|
|
|
|
new_node->warning_string = warning_string;
|
|
new_node->next_warning = NULL;
|
|
|
|
while (*node != NULL) node = &(*node)->next_warning;
|
|
|
|
*node = new_node;
|
|
}
|
|
|
|
static void free_warning_list(struct WarningList *warning_list) {
|
|
while (warning_list->warning_node != NULL) {
|
|
struct WarningListNode *const node = warning_list->warning_node;
|
|
warning_list->warning_node = node->next_warning;
|
|
free(node);
|
|
}
|
|
}
|
|
|
|
static int continue_prompt(int num_warnings) {
|
|
int c;
|
|
fprintf(stderr,
|
|
"%d encoder configuration warning(s). Continue? (y to continue) ",
|
|
num_warnings);
|
|
c = getchar();
|
|
return c == 'y';
|
|
}
|
|
|
|
static void check_quantizer(int min_q, int max_q,
|
|
struct WarningList *warning_list) {
|
|
const int lossless = min_q == 0 && max_q == 0;
|
|
if (!lossless && (min_q == max_q || abs(max_q - min_q) < 8))
|
|
add_warning(quantizer_warning_string, warning_list);
|
|
}
|
|
|
|
static void check_lag_in_frames_realtime_deadline(
|
|
int lag_in_frames, int deadline, struct WarningList *warning_list) {
|
|
if (deadline == AOM_DL_REALTIME && lag_in_frames != 0)
|
|
add_warning(lag_in_frames_with_realtime, warning_list);
|
|
}
|
|
|
|
void check_encoder_config(int disable_prompt,
|
|
const struct AvxEncoderConfig *global_config,
|
|
const struct aom_codec_enc_cfg *stream_config) {
|
|
int num_warnings = 0;
|
|
struct WarningListNode *warning = NULL;
|
|
struct WarningList warning_list = { 0 };
|
|
|
|
check_quantizer(stream_config->rc_min_quantizer,
|
|
stream_config->rc_max_quantizer, &warning_list);
|
|
check_lag_in_frames_realtime_deadline(stream_config->g_lag_in_frames,
|
|
global_config->deadline, &warning_list);
|
|
/* Count and print warnings. */
|
|
for (warning = warning_list.warning_node; warning != NULL;
|
|
warning = warning->next_warning, ++num_warnings) {
|
|
warn(warning->warning_string);
|
|
}
|
|
|
|
free_warning_list(&warning_list);
|
|
|
|
if (num_warnings) {
|
|
if (!disable_prompt && !continue_prompt(num_warnings)) exit(EXIT_FAILURE);
|
|
}
|
|
}
|