#include "internal.h"
typedef struct ResampleContext {
+ const AVClass *class;
AVAudioResampleContext *avr;
AVDictionary *options;
int got_output;
} ResampleContext;
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static av_cold int init(AVFilterContext *ctx, AVDictionary **opts)
{
ResampleContext *s = ctx->priv;
+ const AVClass *avr_class = avresample_get_class();
+ AVDictionaryEntry *e = NULL;
- if (args) {
- int ret = av_dict_parse_string(&s->options, args, "=", ":", 0);
- if (ret < 0) {
- av_log(ctx, AV_LOG_ERROR, "error setting option string: %s\n", args);
- return ret;
- }
-
- /* do not allow the user to override basic format options */
- av_dict_set(&s->options, "in_channel_layout", NULL, 0);
- av_dict_set(&s->options, "out_channel_layout", NULL, 0);
- av_dict_set(&s->options, "in_sample_fmt", NULL, 0);
- av_dict_set(&s->options, "out_sample_fmt", NULL, 0);
- av_dict_set(&s->options, "in_sample_rate", NULL, 0);
- av_dict_set(&s->options, "out_sample_rate", NULL, 0);
+ while ((e = av_dict_get(*opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ if (av_opt_find(&avr_class, e->key, NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ | AV_OPT_SEARCH_CHILDREN))
+ av_dict_set(&s->options, e->key, e->value, 0);
}
+ e = NULL;
+ while ((e = av_dict_get(s->options, "", e, AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(opts, e->key, NULL, 0);
+
+ /* do not allow the user to override basic format options */
+ av_dict_set(&s->options, "in_channel_layout", NULL, 0);
+ av_dict_set(&s->options, "out_channel_layout", NULL, 0);
+ av_dict_set(&s->options, "in_sample_fmt", NULL, 0);
+ av_dict_set(&s->options, "out_sample_fmt", NULL, 0);
+ av_dict_set(&s->options, "in_sample_rate", NULL, 0);
+ av_dict_set(&s->options, "out_sample_rate", NULL, 0);
+
return 0;
}
return ret;
}
+static const AVClass *resample_child_class_next(const AVClass *prev)
+{
+ return prev ? NULL : avresample_get_class();
+}
+
+static void *resample_child_next(void *obj, void *prev)
+{
+ ResampleContext *s = obj;
+ return prev ? NULL : s->avr;
+}
+
+static const AVClass resample_class = {
+ .class_name = "resample",
+ .item_name = av_default_item_name,
+ .version = LIBAVUTIL_VERSION_INT,
+ .child_class_next = resample_child_class_next,
+ .child_next = resample_child_next,
+};
+
static const AVFilterPad avfilter_af_resample_inputs[] = {
{
.name = "default",
.name = "resample",
.description = NULL_IF_CONFIG_SMALL("Audio resampling and conversion."),
.priv_size = sizeof(ResampleContext),
+ .priv_class = &resample_class,
- .init = init,
+ .init_dict = init,
.uninit = uninit,
.query_formats = query_formats,