diff options
| author | Paul B Mahol <onemda@gmail.com> | 2022-02-24 12:04:43 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-02-24 13:15:28 +0300 |
| commit | d5ad1d7847ebfa4da1f1476c4af18fa2701e4d24 (patch) | |
| tree | fc52e31cc6447adb53364b69fce16bce4f176bd3 /libavfilter/f_ebur128.c | |
| parent | b0f8dbb0cacc45a19f18c043afc706d7d26bef74 (diff) | |
avfilter/f_ebur128: use unsigned for hist_entry.count
Also when summing multiple hist_entry.count use uint64_t for accumulator.
Diffstat (limited to 'libavfilter/f_ebur128.c')
| -rw-r--r-- | libavfilter/f_ebur128.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c index 0c635f3d36..d5ffab7ca1 100644 --- a/libavfilter/f_ebur128.c +++ b/libavfilter/f_ebur128.c @@ -55,7 +55,7 @@ * infinitely over the time and is thus more scalable. */ struct hist_entry { - int count; ///< how many times the corresponding value occurred + unsigned count; ///< how many times the corresponding value occurred double energy; ///< E = 10^((L + 0.691) / 10) double loudness; ///< L = -0.691 + 10 * log10(E) }; @@ -722,15 +722,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) #define I_GATE_THRES -10 // initially defined to -8 LU in the first EBU standard if (loudness_400 >= ABS_THRES) { - double integrated_sum = 0; - int nb_integrated = 0; + double integrated_sum = 0.0; + uint64_t nb_integrated = 0; int gate_hist_pos = gate_update(&ebur128->i400, power_400, loudness_400, I_GATE_THRES); /* compute integrated loudness by summing the histogram values * above the relative threshold */ for (i = gate_hist_pos; i < HIST_SIZE; i++) { - const int nb_v = ebur128->i400.histogram[i].count; + const unsigned nb_v = ebur128->i400.histogram[i].count; nb_integrated += nb_v; integrated_sum += nb_v * ebur128->i400.histogram[i].energy; } @@ -751,14 +751,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) /* XXX: example code in EBU 3342 is ">=" but formula in BS.1770 * specs is ">" */ if (loudness_3000 >= ABS_THRES) { - int nb_powers = 0; + uint64_t nb_powers = 0; int gate_hist_pos = gate_update(&ebur128->i3000, power_3000, loudness_3000, LRA_GATE_THRES); for (i = gate_hist_pos; i < HIST_SIZE; i++) nb_powers += ebur128->i3000.histogram[i].count; if (nb_powers) { - int n, nb_pow; + uint64_t n, nb_pow; /* get lower loudness to consider */ n = 0; |