} ACrusherContext;
#define OFFSET(x) offsetof(ACrusherContext, x)
-#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption acrusher_options[] = {
{ "level_in", "set level in", OFFSET(level_in), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.015625, 64, A },
s->lfo.srate = inlink->sample_rate;
s->lfo.amount = .5;
- s->sr = av_calloc(inlink->channels, sizeof(*s->sr));
+ if (!s->sr)
+ s->sr = av_calloc(inlink->channels, sizeof(*s->sr));
if (!s->sr)
return AVERROR(ENOMEM);
return 0;
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ AVFilterLink *inlink = ctx->inputs[0];
+ int ret;
+
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
+
+ return config_input(inlink);
+}
+
static const AVFilterPad avfilter_af_acrusher_inputs[] = {
{
.name = "default",
.query_formats = query_formats,
.inputs = avfilter_af_acrusher_inputs,
.outputs = avfilter_af_acrusher_outputs,
+ .process_command = process_command,
};