avfilter/af_aiir: fix invalid memory access with tf filtering

5 years ago · b559a5882f
parent 5646d02cb3
commit b559a5882f
1 changed files with 2 additions and 2 deletions
--- a/libavfilter/af_aiir.c
+++ b/libavfilter/af_aiir.c
@ -129,8 +129,8 @@ static int iir_ch_## name(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
    ThreadData *td = arg;                                               \
    AVFrame *in = td->in, *out = td->out;                               \
    const type *src = (const type *)in->extended_data[ch];              \
-    double *ic = (double *)s->iir[ch].cache[0];                         \
-    double *oc = (double *)s->iir[ch].cache[1];                         \
+    double *oc = (double *)s->iir[ch].cache[0];                         \
+    double *ic = (double *)s->iir[ch].cache[1];                         \
    const int nb_a = s->iir[ch].nb_ab[0];                               \
    const int nb_b = s->iir[ch].nb_ab[1];                               \
    const double *a = s->iir[ch].ab[0];                                 \