Signed-off-by: Marton Balint <[email protected]>
---
libavfilter/af_astats.c | 26 +++++++++++++++++++++-----
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/libavfilter/af_astats.c b/libavfilter/af_astats.c
index 9915a7965e..92368793c2 100644
--- a/libavfilter/af_astats.c
+++ b/libavfilter/af_astats.c
@@ -49,6 +49,8 @@
#define MEASURE_ZERO_CROSSINGS_RATE (1 << 17)
#define MEASURE_NUMBER_OF_SAMPLES (1 << 18)
+#define MEASURE_MINMAXPEAK (MEASURE_MIN_LEVEL | MEASURE_MAX_LEVEL
| MEASURE_PEAK_LEVEL)
+
typedef struct ChannelStats {
double last;
double last_non_zero;
@@ -216,6 +218,14 @@ static void bit_depth(AudioStatsContext *s, uint64_t mask,
uint64_t imask, AVRat
depth->num++;
}
+static inline void update_minmax(AudioStatsContext *s, ChannelStats *p, double
d)
+{
+ if (d < p->min)
+ p->min = d;
+ if (d > p->max)
+ p->max = d;
+}
+
static inline void update_stat(AudioStatsContext *s, ChannelStats *p, double
d, double nd, int64_t i)
{
if (d < p->min) {
@@ -406,26 +416,32 @@ static void set_metadata(AudioStatsContext *s,
AVDictionary **metadata)
set_meta(metadata, 0, "Overall.Number_of_samples", "%f", nb_samples /
s->nb_channels);
}
-#define UPDATE_STATS_P(type, double_sample, normalized_sample, int_sample)
\
+#define UPDATE_STATS_P(type, update_func, channel_func)
\
for (int c = 0; c < channels; c++) {
\
ChannelStats *p = &s->chstats[c];
\
const type *src = (const type *)data[c];
\
const type * const srcend = src + samples;
\
for (; src < srcend; src++)
\
- update_stat(s, p, double_sample, normalized_sample, int_sample);
\
+ update_func;
\
+ channel_func;
\
}
-#define UPDATE_STATS_I(type, double_sample, normalized_sample, int_sample)
\
+#define UPDATE_STATS_I(type, update_func, channel_func)
\
for (int c = 0; c < channels; c++) {
\
ChannelStats *p = &s->chstats[c];
\
const type *src = (const type *)data[0];
\
const type * const srcend = src + samples * channels;
\
for (src += c; src < srcend; src += channels)
\
- update_stat(s, p, double_sample, normalized_sample, int_sample);
\
+ update_func;
\
+ channel_func;
\
}
#define UPDATE_STATS(planar, type, sample, normalizer_suffix, int_sample) \
- UPDATE_STATS_##planar(type, sample, sample normalizer_suffix, int_sample);
+ if ((s->measure_overall | s->measure_perchannel) & ~MEASURE_MINMAXPEAK) {
\
+ UPDATE_STATS_##planar(type, update_stat(s, p, sample, sample
normalizer_suffix, int_sample), ); \
+ } else {
\
+ UPDATE_STATS_##planar(type, update_minmax(s, p, sample), p->nmin =
p->min normalizer_suffix; p->nmax = p->max normalizer_suffix;); \
+ }
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
{
--
2.16.4
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