lavfi/silencedetect: fix spelling

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavfilter/af_silencedetect.c

@@ -38,7 +38,7 @@ typedef struct SilenceDetectContext {
     double duration;            ///< minimum duration of silence until notification
     int mono;                   ///< mono mode : check each channel separately (default = check when ALL channels are silent)
     int channels;               ///< number of channels
-    int independant_channels;   ///< number of entries in following arrays (always 1 in mono mode)
+    int independent_channels;   ///< number of entries in following arrays (always 1 in mono mode)
     int64_t *nb_null_samples;   ///< (array) current number of continuous zero samples
     int64_t *start;             ///< (array) if silence is detected, this value contains the time of the first zero sample (default/unset = INT64_MIN)
     int64_t frame_end;          ///< pts of the end of the current frame (used to compute duration of silence at EOS)
@@ -77,12 +77,12 @@ static av_always_inline void update(SilenceDetectContext *s, AVFrame *insamples,
                                     int is_silence, int current_sample, int64_t nb_samples_notify,
                                     AVRational time_base)
 {
-    int channel = current_sample % s->independant_channels;
+    int channel = current_sample % s->independent_channels;
     if (is_silence) {
         if (s->start[channel] == INT64_MIN) {
             s->nb_null_samples[channel]++;
             if (s->nb_null_samples[channel] >= nb_samples_notify) {
-                s->start[channel] = insamples->pts + av_rescale_q(current_sample / s->channels + 1 - nb_samples_notify * s->independant_channels / s->channels,
+                s->start[channel] = insamples->pts + av_rescale_q(current_sample / s->channels + 1 - nb_samples_notify * s->independent_channels / s->channels,
                         (AVRational){ 1, s->last_sample_rate }, time_base);
                 set_meta(insamples, s->mono ? channel + 1 : 0, "silence_start",
                         av_ts2timestr(s->start[channel], &time_base));
@@ -141,14 +141,14 @@ static int config_input(AVFilterLink *inlink)
     int c;
 
     s->channels = inlink->channels;
-    s->independant_channels = s->mono ? s->channels : 1;
-    s->nb_null_samples = av_mallocz_array(sizeof(*s->nb_null_samples), s->independant_channels);
+    s->independent_channels = s->mono ? s->channels : 1;
+    s->nb_null_samples = av_mallocz_array(sizeof(*s->nb_null_samples), s->independent_channels);
     if (!s->nb_null_samples)
         return AVERROR(ENOMEM);
-    s->start = av_malloc_array(sizeof(*s->start), s->independant_channels);
+    s->start = av_malloc_array(sizeof(*s->start), s->independent_channels);
     if (!s->start)
         return AVERROR(ENOMEM);
-    for (c = 0; c < s->independant_channels; c++)
+    for (c = 0; c < s->independent_channels; c++)
         s->start[c] = INT64_MIN;
 
     switch (inlink->format) {
@@ -178,7 +178,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
 
     // scale number of null samples to the new sample rate
     if (s->last_sample_rate && s->last_sample_rate != srate)
-        for (c = 0; c < s->independant_channels; c++) {
+        for (c = 0; c < s->independent_channels; c++) {
             s->nb_null_samples[c] = srate * s->nb_null_samples[c] / s->last_sample_rate;
         }
     s->last_sample_rate = srate;
@@ -231,7 +231,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     SilenceDetectContext *s = ctx->priv;
     int c;
 
-    for (c = 0; c < s->independant_channels; c++)
+    for (c = 0; c < s->independent_channels; c++)
         if (s->start[c] > INT64_MIN)
             update(s, NULL, 0, c, 0, s->time_base);
     av_freep(&s->nb_null_samples);