#include "avfilter.h"
#include "internal.h"
+#define MEASURE_ALL UINT_MAX
+#define MEASURE_NONE 0
+
+#define MEASURE_DC_OFFSET (1 << 0)
+#define MEASURE_MIN_LEVEL (1 << 1)
+#define MEASURE_MAX_LEVEL (1 << 2)
+#define MEASURE_MIN_DIFFERENCE (1 << 3)
+#define MEASURE_MAX_DIFFERENCE (1 << 4)
+#define MEASURE_MEAN_DIFFERENCE (1 << 5)
+#define MEASURE_RMS_DIFFERENCE (1 << 6)
+#define MEASURE_PEAK_LEVEL (1 << 7)
+#define MEASURE_RMS_LEVEL (1 << 8)
+#define MEASURE_RMS_PEAK (1 << 9)
+#define MEASURE_RMS_TROUGH (1 << 10)
+#define MEASURE_CREST_FACTOR (1 << 11)
+#define MEASURE_FLAT_FACTOR (1 << 12)
+#define MEASURE_PEAK_COUNT (1 << 13)
+#define MEASURE_BIT_DEPTH (1 << 14)
+#define MEASURE_DYNAMIC_RANGE (1 << 15)
+#define MEASURE_ZERO_CROSSINGS (1 << 16)
+#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;
double min_non_zero;
double sigma_x, sigma_x2;
double avg_sigma_x2, min_sigma_x2, max_sigma_x2;
double diff1_sum_x2;
uint64_t mask, imask;
uint64_t min_count, max_count;
+ uint64_t zero_runs;
uint64_t nb_samples;
} ChannelStats;
int reset_count;
int nb_frames;
int maxbitdepth;
+ int measure_perchannel;
+ int measure_overall;
} AudioStatsContext;
#define OFFSET(x) offsetof(AudioStatsContext, x)
{ "length", "set the window length", OFFSET(time_constant), AV_OPT_TYPE_DOUBLE, {.dbl=.05}, .01, 10, FLAGS },
{ "metadata", "inject metadata in the filtergraph", OFFSET(metadata), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ "reset", "recalculate stats after this many frames", OFFSET(reset_count), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
+ { "measure_perchannel", "only measure_perchannel these per-channel statistics", OFFSET(measure_perchannel), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" },
+ { "none" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NONE }, 0, 0, FLAGS, "measure" },
+ { "all" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_ALL }, 0, 0, FLAGS, "measure" },
+ { "DC_offset" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_DC_OFFSET }, 0, 0, FLAGS, "measure" },
+ { "Min_level" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_MIN_LEVEL }, 0, 0, FLAGS, "measure" },
+ { "Max_level" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_MAX_LEVEL }, 0, 0, FLAGS, "measure" },
+ { "Min_difference" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_MIN_DIFFERENCE }, 0, 0, FLAGS, "measure" },
+ { "Max_difference" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_MAX_DIFFERENCE }, 0, 0, FLAGS, "measure" },
+ { "Mean_difference" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_MEAN_DIFFERENCE }, 0, 0, FLAGS, "measure" },
+ { "RMS_difference" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_RMS_DIFFERENCE }, 0, 0, FLAGS, "measure" },
+ { "Peak_level" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_PEAK_LEVEL }, 0, 0, FLAGS, "measure" },
+ { "RMS_level" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_RMS_LEVEL }, 0, 0, FLAGS, "measure" },
+ { "RMS_peak" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_RMS_PEAK }, 0, 0, FLAGS, "measure" },
+ { "RMS_trough" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_RMS_TROUGH }, 0, 0, FLAGS, "measure" },
+ { "Crest_factor" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_CREST_FACTOR }, 0, 0, FLAGS, "measure" },
+ { "Flat_factor" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_FLAT_FACTOR }, 0, 0, FLAGS, "measure" },
+ { "Peak_count" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_PEAK_COUNT }, 0, 0, FLAGS, "measure" },
+ { "Bit_depth" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_BIT_DEPTH }, 0, 0, FLAGS, "measure" },
+ { "Dynamic_range" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_DYNAMIC_RANGE }, 0, 0, FLAGS, "measure" },
+ { "Zero_crossings" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_ZERO_CROSSINGS }, 0, 0, FLAGS, "measure" },
+ { "Zero_crossings_rate" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_ZERO_CROSSINGS_RATE }, 0, 0, FLAGS, "measure" },
+ { "Number_of_samples" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NUMBER_OF_SAMPLES }, 0, 0, FLAGS, "measure" },
+ { "measure_overall", "only measure_perchannel these overall statistics", OFFSET(measure_overall), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" },
{ NULL }
};
p->imask = 0xFFFFFFFFFFFFFFFF;
p->min_count = 0;
p->max_count = 0;
+ p->zero_runs = 0;
p->nb_samples = 0;
}
}
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) {
p->max_runs += p->max_run * p->max_run;
}
+ if (d != 0) {
+ p->zero_runs += FFSIGN(d) != FFSIGN(p->last_non_zero);
+ p->last_non_zero = d;
+ }
+
p->sigma_x += nd;
p->sigma_x2 += nd * nd;
p->avg_sigma_x2 = p->avg_sigma_x2 * s->mult + (1.0 - s->mult) * nd * nd;
if (fabs(p->sigma_x) > fabs(max_sigma_x))
max_sigma_x = p->sigma_x;
- set_meta(metadata, c + 1, "DC_offset", "%f", p->sigma_x / p->nb_samples);
- set_meta(metadata, c + 1, "Min_level", "%f", p->min);
- set_meta(metadata, c + 1, "Max_level", "%f", p->max);
- set_meta(metadata, c + 1, "Min_difference", "%f", p->min_diff);
- set_meta(metadata, c + 1, "Max_difference", "%f", p->max_diff);
- set_meta(metadata, c + 1, "Mean_difference", "%f", p->diff1_sum / (p->nb_samples - 1));
- set_meta(metadata, c + 1, "RMS_difference", "%f", sqrt(p->diff1_sum_x2 / (p->nb_samples - 1)));
- set_meta(metadata, c + 1, "Peak_level", "%f", LINEAR_TO_DB(FFMAX(-p->nmin, p->nmax)));
- set_meta(metadata, c + 1, "RMS_level", "%f", LINEAR_TO_DB(sqrt(p->sigma_x2 / p->nb_samples)));
- set_meta(metadata, c + 1, "RMS_peak", "%f", LINEAR_TO_DB(sqrt(p->max_sigma_x2)));
- set_meta(metadata, c + 1, "RMS_trough", "%f", LINEAR_TO_DB(sqrt(p->min_sigma_x2)));
- set_meta(metadata, c + 1, "Crest_factor", "%f", p->sigma_x2 ? FFMAX(-p->min, p->max) / sqrt(p->sigma_x2 / p->nb_samples) : 1);
- set_meta(metadata, c + 1, "Flat_factor", "%f", LINEAR_TO_DB((p->min_runs + p->max_runs) / (p->min_count + p->max_count)));
- set_meta(metadata, c + 1, "Peak_count", "%f", (float)(p->min_count + p->max_count));
- bit_depth(s, p->mask, p->imask, &depth);
- set_meta(metadata, c + 1, "Bit_depth", "%f", depth.num);
- set_meta(metadata, c + 1, "Bit_depth2", "%f", depth.den);
- set_meta(metadata, c + 1, "Dynamic_range", "%f", LINEAR_TO_DB(2 * FFMAX(FFABS(p->min), FFABS(p->max))/ p->min_non_zero));
+ if (s->measure_perchannel & MEASURE_DC_OFFSET)
+ set_meta(metadata, c + 1, "DC_offset", "%f", p->sigma_x / p->nb_samples);
+ if (s->measure_perchannel & MEASURE_MIN_LEVEL)
+ set_meta(metadata, c + 1, "Min_level", "%f", p->min);
+ if (s->measure_perchannel & MEASURE_MAX_LEVEL)
+ set_meta(metadata, c + 1, "Max_level", "%f", p->max);
+ if (s->measure_perchannel & MEASURE_MIN_DIFFERENCE)
+ set_meta(metadata, c + 1, "Min_difference", "%f", p->min_diff);
+ if (s->measure_perchannel & MEASURE_MAX_DIFFERENCE)
+ set_meta(metadata, c + 1, "Max_difference", "%f", p->max_diff);
+ if (s->measure_perchannel & MEASURE_MEAN_DIFFERENCE)
+ set_meta(metadata, c + 1, "Mean_difference", "%f", p->diff1_sum / (p->nb_samples - 1));
+ if (s->measure_perchannel & MEASURE_RMS_DIFFERENCE)
+ set_meta(metadata, c + 1, "RMS_difference", "%f", sqrt(p->diff1_sum_x2 / (p->nb_samples - 1)));
+ if (s->measure_perchannel & MEASURE_PEAK_LEVEL)
+ set_meta(metadata, c + 1, "Peak_level", "%f", LINEAR_TO_DB(FFMAX(-p->nmin, p->nmax)));
+ if (s->measure_perchannel & MEASURE_RMS_LEVEL)
+ set_meta(metadata, c + 1, "RMS_level", "%f", LINEAR_TO_DB(sqrt(p->sigma_x2 / p->nb_samples)));
+ if (s->measure_perchannel & MEASURE_RMS_PEAK)
+ set_meta(metadata, c + 1, "RMS_peak", "%f", LINEAR_TO_DB(sqrt(p->max_sigma_x2)));
+ if (s->measure_perchannel & MEASURE_RMS_TROUGH)
+ set_meta(metadata, c + 1, "RMS_trough", "%f", LINEAR_TO_DB(sqrt(p->min_sigma_x2)));
+ if (s->measure_perchannel & MEASURE_CREST_FACTOR)
+ set_meta(metadata, c + 1, "Crest_factor", "%f", p->sigma_x2 ? FFMAX(-p->min, p->max) / sqrt(p->sigma_x2 / p->nb_samples) : 1);
+ if (s->measure_perchannel & MEASURE_FLAT_FACTOR)
+ set_meta(metadata, c + 1, "Flat_factor", "%f", LINEAR_TO_DB((p->min_runs + p->max_runs) / (p->min_count + p->max_count)));
+ if (s->measure_perchannel & MEASURE_PEAK_COUNT)
+ set_meta(metadata, c + 1, "Peak_count", "%f", (float)(p->min_count + p->max_count));
+ if (s->measure_perchannel & MEASURE_BIT_DEPTH) {
+ bit_depth(s, p->mask, p->imask, &depth);
+ set_meta(metadata, c + 1, "Bit_depth", "%f", depth.num);
+ set_meta(metadata, c + 1, "Bit_depth2", "%f", depth.den);
+ }
+ if (s->measure_perchannel & MEASURE_DYNAMIC_RANGE)
+ set_meta(metadata, c + 1, "Dynamic_range", "%f", LINEAR_TO_DB(2 * FFMAX(FFABS(p->min), FFABS(p->max))/ p->min_non_zero));
+ if (s->measure_perchannel & MEASURE_ZERO_CROSSINGS)
+ set_meta(metadata, c + 1, "Zero_crossings", "%f", p->zero_runs);
+ if (s->measure_perchannel & MEASURE_ZERO_CROSSINGS_RATE)
+ set_meta(metadata, c + 1, "Zero_crossings_rate", "%f", p->zero_runs/(double)p->nb_samples);
}
- set_meta(metadata, 0, "Overall.DC_offset", "%f", max_sigma_x / (nb_samples / s->nb_channels));
- set_meta(metadata, 0, "Overall.Min_level", "%f", min);
- set_meta(metadata, 0, "Overall.Max_level", "%f", max);
- set_meta(metadata, 0, "Overall.Min_difference", "%f", min_diff);
- set_meta(metadata, 0, "Overall.Max_difference", "%f", max_diff);
- set_meta(metadata, 0, "Overall.Mean_difference", "%f", diff1_sum / (nb_samples - s->nb_channels));
- set_meta(metadata, 0, "Overall.RMS_difference", "%f", sqrt(diff1_sum_x2 / (nb_samples - s->nb_channels)));
- set_meta(metadata, 0, "Overall.Peak_level", "%f", LINEAR_TO_DB(FFMAX(-nmin, nmax)));
- set_meta(metadata, 0, "Overall.RMS_level", "%f", LINEAR_TO_DB(sqrt(sigma_x2 / nb_samples)));
- set_meta(metadata, 0, "Overall.RMS_peak", "%f", LINEAR_TO_DB(sqrt(max_sigma_x2)));
- set_meta(metadata, 0, "Overall.RMS_trough", "%f", LINEAR_TO_DB(sqrt(min_sigma_x2)));
- set_meta(metadata, 0, "Overall.Flat_factor", "%f", LINEAR_TO_DB((min_runs + max_runs) / (min_count + max_count)));
- set_meta(metadata, 0, "Overall.Peak_count", "%f", (float)(min_count + max_count) / (double)s->nb_channels);
- bit_depth(s, mask, imask, &depth);
- set_meta(metadata, 0, "Overall.Bit_depth", "%f", depth.num);
- set_meta(metadata, 0, "Overall.Bit_depth2", "%f", depth.den);
- set_meta(metadata, 0, "Overall.Number_of_samples", "%f", nb_samples / s->nb_channels);
+ if (s->measure_overall & MEASURE_DC_OFFSET)
+ set_meta(metadata, 0, "Overall.DC_offset", "%f", max_sigma_x / (nb_samples / s->nb_channels));
+ if (s->measure_overall & MEASURE_MIN_LEVEL)
+ set_meta(metadata, 0, "Overall.Min_level", "%f", min);
+ if (s->measure_overall & MEASURE_MAX_LEVEL)
+ set_meta(metadata, 0, "Overall.Max_level", "%f", max);
+ if (s->measure_overall & MEASURE_MIN_DIFFERENCE)
+ set_meta(metadata, 0, "Overall.Min_difference", "%f", min_diff);
+ if (s->measure_overall & MEASURE_MAX_DIFFERENCE)
+ set_meta(metadata, 0, "Overall.Max_difference", "%f", max_diff);
+ if (s->measure_overall & MEASURE_MEAN_DIFFERENCE)
+ set_meta(metadata, 0, "Overall.Mean_difference", "%f", diff1_sum / (nb_samples - s->nb_channels));
+ if (s->measure_overall & MEASURE_RMS_DIFFERENCE)
+ set_meta(metadata, 0, "Overall.RMS_difference", "%f", sqrt(diff1_sum_x2 / (nb_samples - s->nb_channels)));
+ if (s->measure_overall & MEASURE_PEAK_LEVEL)
+ set_meta(metadata, 0, "Overall.Peak_level", "%f", LINEAR_TO_DB(FFMAX(-nmin, nmax)));
+ if (s->measure_overall & MEASURE_RMS_LEVEL)
+ set_meta(metadata, 0, "Overall.RMS_level", "%f", LINEAR_TO_DB(sqrt(sigma_x2 / nb_samples)));
+ if (s->measure_overall & MEASURE_RMS_PEAK)
+ set_meta(metadata, 0, "Overall.RMS_peak", "%f", LINEAR_TO_DB(sqrt(max_sigma_x2)));
+ if (s->measure_overall & MEASURE_RMS_TROUGH)
+ set_meta(metadata, 0, "Overall.RMS_trough", "%f", LINEAR_TO_DB(sqrt(min_sigma_x2)));
+ if (s->measure_overall & MEASURE_FLAT_FACTOR)
+ set_meta(metadata, 0, "Overall.Flat_factor", "%f", LINEAR_TO_DB((min_runs + max_runs) / (min_count + max_count)));
+ if (s->measure_overall & MEASURE_PEAK_COUNT)
+ set_meta(metadata, 0, "Overall.Peak_count", "%f", (float)(min_count + max_count) / (double)s->nb_channels);
+ if (s->measure_overall & MEASURE_BIT_DEPTH) {
+ bit_depth(s, mask, imask, &depth);
+ set_meta(metadata, 0, "Overall.Bit_depth", "%f", depth.num);
+ set_meta(metadata, 0, "Overall.Bit_depth2", "%f", depth.den);
+ }
+ if (s->measure_overall & MEASURE_NUMBER_OF_SAMPLES)
+ set_meta(metadata, 0, "Overall.Number_of_samples", "%f", nb_samples / s->nb_channels);
}
+#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_func; \
+ channel_func; \
+ }
+
+#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_func; \
+ channel_func; \
+ }
+
+#define UPDATE_STATS(planar, type, 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)
{
AudioStatsContext *s = inlink->dst->priv;
AVDictionary **metadata = &buf->metadata;
const int channels = s->nb_channels;
- int i, c;
+ const int samples = buf->nb_samples;
+ const uint8_t * const * const data = (const uint8_t * const *)buf->extended_data;
if (s->reset_count > 0) {
if (s->nb_frames >= s->reset_count) {
switch (inlink->format) {
case AV_SAMPLE_FMT_DBLP:
- for (c = 0; c < channels; c++) {
- ChannelStats *p = &s->chstats[c];
- const double *src = (const double *)buf->extended_data[c];
-
- for (i = 0; i < buf->nb_samples; i++, src++)
- update_stat(s, p, *src, *src, llrint(*src * (UINT64_C(1) << 63)));
- }
+ UPDATE_STATS(P, double, *src, , llrint(*src * (UINT64_C(1) << 63)));
break;
- case AV_SAMPLE_FMT_DBL: {
- const double *src = (const double *)buf->extended_data[0];
-
- for (i = 0; i < buf->nb_samples; i++) {
- for (c = 0; c < channels; c++, src++)
- update_stat(s, &s->chstats[c], *src, *src, llrint(*src * (UINT64_C(1) << 63)));
- }}
+ case AV_SAMPLE_FMT_DBL:
+ UPDATE_STATS(I, double, *src, , llrint(*src * (UINT64_C(1) << 63)));
break;
case AV_SAMPLE_FMT_FLTP:
- for (c = 0; c < channels; c++) {
- ChannelStats *p = &s->chstats[c];
- const float *src = (const float *)buf->extended_data[c];
-
- for (i = 0; i < buf->nb_samples; i++, src++)
- update_stat(s, p, *src, *src, llrint(*src * (UINT64_C(1) << 31)));
- }
+ UPDATE_STATS(P, float, *src, , llrint(*src * (UINT64_C(1) << 31)));
break;
- case AV_SAMPLE_FMT_FLT: {
- const float *src = (const float *)buf->extended_data[0];
-
- for (i = 0; i < buf->nb_samples; i++) {
- for (c = 0; c < channels; c++, src++)
- update_stat(s, &s->chstats[c], *src, *src, llrint(*src * (UINT64_C(1) << 31)));
- }}
+ case AV_SAMPLE_FMT_FLT:
+ UPDATE_STATS(I, float, *src, , llrint(*src * (UINT64_C(1) << 31)));
break;
case AV_SAMPLE_FMT_S64P:
- for (c = 0; c < channels; c++) {
- ChannelStats *p = &s->chstats[c];
- const int64_t *src = (const int64_t *)buf->extended_data[c];
-
- for (i = 0; i < buf->nb_samples; i++, src++)
- update_stat(s, p, *src, *src / (double)INT64_MAX, *src);
- }
+ UPDATE_STATS(P, int64_t, *src, / (double)INT64_MAX, *src);
break;
- case AV_SAMPLE_FMT_S64: {
- const int64_t *src = (const int64_t *)buf->extended_data[0];
-
- for (i = 0; i < buf->nb_samples; i++) {
- for (c = 0; c < channels; c++, src++)
- update_stat(s, &s->chstats[c], *src, *src / (double)INT64_MAX, *src);
- }}
+ case AV_SAMPLE_FMT_S64:
+ UPDATE_STATS(I, int64_t, *src, / (double)INT64_MAX, *src);
break;
case AV_SAMPLE_FMT_S32P:
- for (c = 0; c < channels; c++) {
- ChannelStats *p = &s->chstats[c];
- const int32_t *src = (const int32_t *)buf->extended_data[c];
-
- for (i = 0; i < buf->nb_samples; i++, src++)
- update_stat(s, p, *src, *src / (double)INT32_MAX, *src);
- }
+ UPDATE_STATS(P, int32_t, *src, / (double)INT32_MAX, *src);
break;
- case AV_SAMPLE_FMT_S32: {
- const int32_t *src = (const int32_t *)buf->extended_data[0];
-
- for (i = 0; i < buf->nb_samples; i++) {
- for (c = 0; c < channels; c++, src++)
- update_stat(s, &s->chstats[c], *src, *src / (double)INT32_MAX, *src);
- }}
+ case AV_SAMPLE_FMT_S32:
+ UPDATE_STATS(I, int32_t, *src, / (double)INT32_MAX, *src);
break;
case AV_SAMPLE_FMT_S16P:
- for (c = 0; c < channels; c++) {
- ChannelStats *p = &s->chstats[c];
- const int16_t *src = (const int16_t *)buf->extended_data[c];
-
- for (i = 0; i < buf->nb_samples; i++, src++)
- update_stat(s, p, *src, *src / (double)INT16_MAX, *src);
- }
+ UPDATE_STATS(P, int16_t, *src, / (double)INT16_MAX, *src);
break;
- case AV_SAMPLE_FMT_S16: {
- const int16_t *src = (const int16_t *)buf->extended_data[0];
-
- for (i = 0; i < buf->nb_samples; i++) {
- for (c = 0; c < channels; c++, src++)
- update_stat(s, &s->chstats[c], *src, *src / (double)INT16_MAX, *src);
- }}
+ case AV_SAMPLE_FMT_S16:
+ UPDATE_STATS(I, int16_t, *src, / (double)INT16_MAX, *src);
break;
}
max_sigma_x = p->sigma_x;
av_log(ctx, AV_LOG_INFO, "Channel: %d\n", c + 1);
- av_log(ctx, AV_LOG_INFO, "DC offset: %f\n", p->sigma_x / p->nb_samples);
- av_log(ctx, AV_LOG_INFO, "Min level: %f\n", p->min);
- av_log(ctx, AV_LOG_INFO, "Max level: %f\n", p->max);
- av_log(ctx, AV_LOG_INFO, "Min difference: %f\n", p->min_diff);
- av_log(ctx, AV_LOG_INFO, "Max difference: %f\n", p->max_diff);
- av_log(ctx, AV_LOG_INFO, "Mean difference: %f\n", p->diff1_sum / (p->nb_samples - 1));
- av_log(ctx, AV_LOG_INFO, "RMS difference: %f\n", sqrt(p->diff1_sum_x2 / (p->nb_samples - 1)));
- av_log(ctx, AV_LOG_INFO, "Peak level dB: %f\n", LINEAR_TO_DB(FFMAX(-p->nmin, p->nmax)));
- av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(p->sigma_x2 / p->nb_samples)));
- av_log(ctx, AV_LOG_INFO, "RMS peak dB: %f\n", LINEAR_TO_DB(sqrt(p->max_sigma_x2)));
- if (p->min_sigma_x2 != 1)
- av_log(ctx, AV_LOG_INFO, "RMS trough dB: %f\n",LINEAR_TO_DB(sqrt(p->min_sigma_x2)));
- av_log(ctx, AV_LOG_INFO, "Crest factor: %f\n", p->sigma_x2 ? FFMAX(-p->nmin, p->nmax) / sqrt(p->sigma_x2 / p->nb_samples) : 1);
- av_log(ctx, AV_LOG_INFO, "Flat factor: %f\n", LINEAR_TO_DB((p->min_runs + p->max_runs) / (p->min_count + p->max_count)));
- av_log(ctx, AV_LOG_INFO, "Peak count: %"PRId64"\n", p->min_count + p->max_count);
- bit_depth(s, p->mask, p->imask, &depth);
- av_log(ctx, AV_LOG_INFO, "Bit depth: %u/%u\n", depth.num, depth.den);
- av_log(ctx, AV_LOG_INFO, "Dynamic range: %f\n", LINEAR_TO_DB(2 * FFMAX(FFABS(p->min), FFABS(p->max))/ p->min_non_zero));
+ 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)
+ av_log(ctx, AV_LOG_INFO, "Min level: %f\n", p->min);
+ if (s->measure_perchannel & MEASURE_MAX_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "Max level: %f\n", p->max);
+ if (s->measure_perchannel & MEASURE_MIN_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Min difference: %f\n", p->min_diff);
+ if (s->measure_perchannel & MEASURE_MAX_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Max difference: %f\n", p->max_diff);
+ if (s->measure_perchannel & MEASURE_MEAN_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Mean difference: %f\n", p->diff1_sum / (p->nb_samples - 1));
+ if (s->measure_perchannel & MEASURE_RMS_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "RMS difference: %f\n", sqrt(p->diff1_sum_x2 / (p->nb_samples - 1)));
+ if (s->measure_perchannel & MEASURE_PEAK_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "Peak level dB: %f\n", LINEAR_TO_DB(FFMAX(-p->nmin, p->nmax)));
+ if (s->measure_perchannel & MEASURE_RMS_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(p->sigma_x2 / p->nb_samples)));
+ if (s->measure_perchannel & MEASURE_RMS_PEAK)
+ av_log(ctx, AV_LOG_INFO, "RMS peak dB: %f\n", LINEAR_TO_DB(sqrt(p->max_sigma_x2)));
+ if (s->measure_perchannel & MEASURE_RMS_TROUGH)
+ if (p->min_sigma_x2 != 1)
+ av_log(ctx, AV_LOG_INFO, "RMS trough dB: %f\n",LINEAR_TO_DB(sqrt(p->min_sigma_x2)));
+ if (s->measure_perchannel & MEASURE_CREST_FACTOR)
+ av_log(ctx, AV_LOG_INFO, "Crest factor: %f\n", p->sigma_x2 ? FFMAX(-p->nmin, p->nmax) / sqrt(p->sigma_x2 / p->nb_samples) : 1);
+ if (s->measure_perchannel & MEASURE_FLAT_FACTOR)
+ av_log(ctx, AV_LOG_INFO, "Flat factor: %f\n", LINEAR_TO_DB((p->min_runs + p->max_runs) / (p->min_count + p->max_count)));
+ if (s->measure_perchannel & MEASURE_PEAK_COUNT)
+ av_log(ctx, AV_LOG_INFO, "Peak count: %"PRId64"\n", p->min_count + p->max_count);
+ if (s->measure_perchannel & MEASURE_BIT_DEPTH) {
+ bit_depth(s, p->mask, p->imask, &depth);
+ av_log(ctx, AV_LOG_INFO, "Bit depth: %u/%u\n", depth.num, depth.den);
+ }
+ if (s->measure_perchannel & MEASURE_DYNAMIC_RANGE)
+ av_log(ctx, AV_LOG_INFO, "Dynamic range: %f\n", LINEAR_TO_DB(2 * FFMAX(FFABS(p->min), FFABS(p->max))/ p->min_non_zero));
+ if (s->measure_perchannel & MEASURE_ZERO_CROSSINGS)
+ av_log(ctx, AV_LOG_INFO, "Zero crossings: %"PRId64"\n", p->zero_runs);
+ if (s->measure_perchannel & MEASURE_ZERO_CROSSINGS_RATE)
+ av_log(ctx, AV_LOG_INFO, "Zero crossings rate: %f\n", p->zero_runs/(double)p->nb_samples);
}
av_log(ctx, AV_LOG_INFO, "Overall\n");
- av_log(ctx, AV_LOG_INFO, "DC offset: %f\n", max_sigma_x / (nb_samples / s->nb_channels));
- av_log(ctx, AV_LOG_INFO, "Min level: %f\n", min);
- av_log(ctx, AV_LOG_INFO, "Max level: %f\n", max);
- av_log(ctx, AV_LOG_INFO, "Min difference: %f\n", min_diff);
- av_log(ctx, AV_LOG_INFO, "Max difference: %f\n", max_diff);
- av_log(ctx, AV_LOG_INFO, "Mean difference: %f\n", diff1_sum / (nb_samples - s->nb_channels));
- av_log(ctx, AV_LOG_INFO, "RMS difference: %f\n", sqrt(diff1_sum_x2 / (nb_samples - s->nb_channels)));
- av_log(ctx, AV_LOG_INFO, "Peak level dB: %f\n", LINEAR_TO_DB(FFMAX(-nmin, nmax)));
- av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(sigma_x2 / nb_samples)));
- av_log(ctx, AV_LOG_INFO, "RMS peak dB: %f\n", LINEAR_TO_DB(sqrt(max_sigma_x2)));
- if (min_sigma_x2 != 1)
- av_log(ctx, AV_LOG_INFO, "RMS trough dB: %f\n", LINEAR_TO_DB(sqrt(min_sigma_x2)));
- av_log(ctx, AV_LOG_INFO, "Flat factor: %f\n", LINEAR_TO_DB((min_runs + max_runs) / (min_count + max_count)));
- av_log(ctx, AV_LOG_INFO, "Peak count: %f\n", (min_count + max_count) / (double)s->nb_channels);
- bit_depth(s, mask, imask, &depth);
- av_log(ctx, AV_LOG_INFO, "Bit depth: %u/%u\n", depth.num, depth.den);
- av_log(ctx, AV_LOG_INFO, "Number of samples: %"PRId64"\n", nb_samples / s->nb_channels);
+ 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)
+ av_log(ctx, AV_LOG_INFO, "Min level: %f\n", min);
+ if (s->measure_overall & MEASURE_MAX_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "Max level: %f\n", max);
+ if (s->measure_overall & MEASURE_MIN_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Min difference: %f\n", min_diff);
+ if (s->measure_overall & MEASURE_MAX_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Max difference: %f\n", max_diff);
+ if (s->measure_overall & MEASURE_MEAN_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "Mean difference: %f\n", diff1_sum / (nb_samples - s->nb_channels));
+ if (s->measure_overall & MEASURE_RMS_DIFFERENCE)
+ av_log(ctx, AV_LOG_INFO, "RMS difference: %f\n", sqrt(diff1_sum_x2 / (nb_samples - s->nb_channels)));
+ if (s->measure_overall & MEASURE_PEAK_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "Peak level dB: %f\n", LINEAR_TO_DB(FFMAX(-nmin, nmax)));
+ if (s->measure_overall & MEASURE_RMS_LEVEL)
+ av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(sigma_x2 / nb_samples)));
+ if (s->measure_overall & MEASURE_RMS_PEAK)
+ av_log(ctx, AV_LOG_INFO, "RMS peak dB: %f\n", LINEAR_TO_DB(sqrt(max_sigma_x2)));
+ if (s->measure_overall & MEASURE_RMS_TROUGH)
+ if (min_sigma_x2 != 1)
+ av_log(ctx, AV_LOG_INFO, "RMS trough dB: %f\n", LINEAR_TO_DB(sqrt(min_sigma_x2)));
+ if (s->measure_overall & MEASURE_FLAT_FACTOR)
+ av_log(ctx, AV_LOG_INFO, "Flat factor: %f\n", LINEAR_TO_DB((min_runs + max_runs) / (min_count + max_count)));
+ if (s->measure_overall & MEASURE_PEAK_COUNT)
+ av_log(ctx, AV_LOG_INFO, "Peak count: %f\n", (min_count + max_count) / (double)s->nb_channels);
+ if (s->measure_overall & MEASURE_BIT_DEPTH) {
+ bit_depth(s, mask, imask, &depth);
+ av_log(ctx, AV_LOG_INFO, "Bit depth: %u/%u\n", depth.num, depth.den);
+ }
+ if (s->measure_overall & MEASURE_NUMBER_OF_SAMPLES)
+ av_log(ctx, AV_LOG_INFO, "Number of samples: %"PRId64"\n", nb_samples / s->nb_channels);
}
static av_cold void uninit(AVFilterContext *ctx)
projects / ffmpeg / blobdiff