ExtraStereoContext *s = ctx->priv;
const float *src = (const float *)in->data[0];
const float mult = s->mult;
- AVFrame *out = NULL;
+ AVFrame *out;
float *dst;
int n;
if (av_frame_is_writable(in)) {
out = in;
} else {
- AVFrame *out = ff_get_audio_buffer(inlink, in->nb_samples);
+ out = ff_get_audio_buffer(inlink, in->nb_samples);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);