diff options
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_aiir.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/libavfilter/af_aiir.c b/libavfilter/af_aiir.c index 187cbb6fd7..420deb82de 100644 --- a/libavfilter/af_aiir.c +++ b/libavfilter/af_aiir.c @@ -823,7 +823,7 @@ static void draw_response(AVFilterContext *ctx, AVFrame *out, int sample_rate) { AudioIIRContext *s = ctx->priv; double *mag, *phase, *temp, *delay, min = DBL_MAX, max = -DBL_MAX; - double min_delay, max_delay, min_phase, max_phase; + double min_delay = DBL_MAX, max_delay = -DBL_MAX, min_phase, max_phase; int prev_ymag = -1, prev_yphase = -1, prev_ydelay = -1; char text[32]; int ch, i; @@ -869,9 +869,6 @@ static void draw_response(AVFilterContext *ctx, AVFrame *out, int sample_rate) max_phase = fmax(max_phase, phase[i]); } - delay[0] = 0.; - min_delay = 0.; - max_delay = 0.; for (i = 0; i < s->w - 1; i++) { double div = s->w / (double)sample_rate; @@ -879,8 +876,7 @@ static void draw_response(AVFilterContext *ctx, AVFrame *out, int sample_rate) min_delay = fmin(min_delay, delay[i + 1]); max_delay = fmax(max_delay, delay[i + 1]); } - - delay[i] = delay[i - 1]; + delay[0] = delay[1]; for (i = 0; i < s->w; i++) { int ymag = mag[i] / max * (s->h - 1); |