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authorwolfbeast <mcwerewolf@gmail.com>2018-11-07 12:47:12 +0100
committerwolfbeast <mcwerewolf@gmail.com>2018-11-07 12:47:12 +0100
commit8240fb9c736f91044cabbdde8c537b179fc4921e (patch)
tree49a4cc8dc683cf955d61b6618ad471860554ccb5 /third_party/aom/common/warnings.c
parentf9e04b54c2ccbc1f8e24b511003de09b4565193c (diff)
parent5c83a18cde404b5c0c9fba1d35f003d951ea32e2 (diff)
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Merge branch 'master' into Pale_Moon-release
# Conflicts: # application/palemoon/config/version.txt
Diffstat (limited to 'third_party/aom/common/warnings.c')
-rw-r--r--third_party/aom/common/warnings.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/aom/common/warnings.c b/third_party/aom/common/warnings.c
new file mode 100644
index 000000000..2facee252
--- /dev/null
+++ b/third_party/aom/common/warnings.c
@@ -0,0 +1,97 @@
+/*
+ * 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 "common/warnings.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "aom/aom_encoder.h"
+#include "apps/aomenc.h"
+#include "common/tools_common.h"
+
+static const char quantizer_warning_string[] =
+ "Bad quantizer values. Quantizer values should not be equal, and should "
+ "differ by at least 8.";
+
+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);
+}
+
+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 };
+ (void)global_config;
+ check_quantizer(stream_config->rc_min_quantizer,
+ stream_config->rc_max_quantizer, &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);
+ }
+}