New upstream version 26.0.0+dfsg1

plugins/obs-x264/obs-x264-options.c

@@ -0,0 +1,72 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <util/bmem.h>
+#include <util/dstr.h>
+#include "obs-x264-options.h"
+
+static bool getparam(const char *param, char **name, const char **value)
+{
+	const char *assign;
+
+	if (!param || !*param || (*param == '='))
+		return false;
+
+	assign = strchr(param, '=');
+	if (!assign || !*assign || !*(assign + 1))
+		return false;
+
+	*name = bstrdup_n(param, assign - param);
+	*value = assign + 1;
+	return true;
+}
+
+struct obs_x264_options obs_x264_parse_options(const char *options_string)
+{
+	char **input_words = strlist_split(options_string, ' ', false);
+	if (!input_words) {
+		return (struct obs_x264_options){
+			.count = 0,
+			.options = NULL,
+			.ignored_word_count = 0,
+			.ignored_words = NULL,
+			.input_words = NULL,
+		};
+	}
+	size_t input_option_count = 0;
+	for (char **input_word = input_words; *input_word; ++input_word)
+		input_option_count += 1;
+	char **ignored_words =
+		bmalloc(input_option_count * sizeof(*ignored_words));
+	char **ignored_word = ignored_words;
+	struct obs_x264_option *out_options =
+		bmalloc(input_option_count * sizeof(*out_options));
+	struct obs_x264_option *out_option = out_options;
+	for (char **input_word = input_words; *input_word; ++input_word) {
+		if (getparam(*input_word, &out_option->name,
+			     (const char **)&out_option->value)) {
+			++out_option;
+		} else {
+			*ignored_word = *input_word;
+			++ignored_word;
+		}
+	}
+	return (struct obs_x264_options){
+		.count = out_option - out_options,
+		.options = out_options,
+		.ignored_word_count = ignored_word - ignored_words,
+		.ignored_words = ignored_words,
+		.input_words = input_words,
+	};
+}
+
+void obs_x264_free_options(struct obs_x264_options options)
+{
+	for (size_t i = 0; i < options.count; ++i) {
+		bfree(options.options[i].name);
+	}
+	bfree(options.options);
+	bfree(options.ignored_words);
+	strlist_free(options.input_words);
+}