Avoids empty "Channel" or "Overall" header lines added to log output
when measurement is restricted to one scope using
"measure_perchannel=none" or "measure_overall=none".
Signed-off-by: Tobias Rapp <t.r...@noa-archive.com>
---
libavfilter/af_astats.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavfilter/af_astats.c b/libavfilter/af_astats.c
index f50cbe1..c13df62 100644
--- a/libavfilter/af_astats.c
+++ b/libavfilter/af_astats.c
@@ -705,7 +705,8 @@ static void print_stats(AVFilterContext *ctx)
if (fabs(p->sigma_x) > fabs(max_sigma_x))
max_sigma_x = p->sigma_x;
- av_log(ctx, AV_LOG_INFO, "Channel: %d\n", c + 1);
+ if (s->measure_perchannel != MEASURE_NONE)
+ av_log(ctx, AV_LOG_INFO, "Channel: %d\n", c + 1);
if (s->measure_perchannel & MEASURE_DC_OFFSET)
av_log(ctx, AV_LOG_INFO, "DC offset: %f\n", p->sigma_x /
p->nb_samples);
if (s->measure_perchannel & MEASURE_MIN_LEVEL)
@@ -757,7 +758,8 @@ static void print_stats(AVFilterContext *ctx)
av_log(ctx, AV_LOG_INFO, "Number of denormals: %"PRId64"\n",
p->nb_denormals);
}
- av_log(ctx, AV_LOG_INFO, "Overall\n");
+ if (s->measure_overall != MEASURE_NONE)
+ av_log(ctx, AV_LOG_INFO, "Overall\n");
if (s->measure_overall & MEASURE_DC_OFFSET)
av_log(ctx, AV_LOG_INFO, "DC offset: %f\n", max_sigma_x / (nb_samples
/ s->nb_channels));
if (s->measure_overall & MEASURE_MIN_LEVEL)
--
2.7.4
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