diff options
| author | Limin Wang <lance.lmwang@gmail.com> | 2019-10-08 23:04:52 +0800 |
|---|---|---|
| committer | Gyan Doshi <ffmpeg@gyani.pro> | 2019-10-21 15:42:04 +0530 |
| commit | 190f52ba3b16fd746886cb288a418db6afe9917e (patch) | |
| tree | 1cf5532f66309ff33568b03a074f3a2208769eff /libavfilter/af_silencedetect.c | |
| parent | c6e01ebe411e6498552b2ef73b45aaef124d2264 (diff) | |
avfilter/af_silencedetect: use AV_OPT_TYPE_DURATION
Reviewed-by: Moritz Barsnick <barsnick@gmx.net>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Diffstat (limited to 'libavfilter/af_silencedetect.c')
| -rw-r--r-- | libavfilter/af_silencedetect.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libavfilter/af_silencedetect.c b/libavfilter/af_silencedetect.c index ed16f3dbb5..3eb378db0b 100644 --- a/libavfilter/af_silencedetect.c +++ b/libavfilter/af_silencedetect.c @@ -35,7 +35,7 @@ typedef struct SilenceDetectContext { const AVClass *class; double noise; ///< noise amplitude ratio - double duration; ///< minimum duration of silence until notification + int64_t 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 independent_channels; ///< number of entries in following arrays (always 1 in mono mode) @@ -50,13 +50,14 @@ typedef struct SilenceDetectContext { AVRational time_base); } SilenceDetectContext; +#define MAX_DURATION (24*3600*1000000LL) #define OFFSET(x) offsetof(SilenceDetectContext, x) #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_AUDIO_PARAM static const AVOption silencedetect_options[] = { { "n", "set noise tolerance", OFFSET(noise), AV_OPT_TYPE_DOUBLE, {.dbl=0.001}, 0, DBL_MAX, FLAGS }, { "noise", "set noise tolerance", OFFSET(noise), AV_OPT_TYPE_DOUBLE, {.dbl=0.001}, 0, DBL_MAX, FLAGS }, - { "d", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS }, - { "duration", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS }, + { "d", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=2000000}, 0, MAX_DURATION,FLAGS }, + { "duration", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=2000000}, 0, MAX_DURATION,FLAGS }, { "mono", "check each channel separately", OFFSET(mono), AV_OPT_TYPE_BOOL, {.i64=0.}, 0, 1, FLAGS }, { "m", "check each channel separately", OFFSET(mono), AV_OPT_TYPE_BOOL, {.i64=0.}, 0, 1, FLAGS }, { NULL } @@ -142,6 +143,7 @@ static int config_input(AVFilterLink *inlink) int c; s->channels = inlink->channels; + s->duration = av_rescale(s->duration, inlink->sample_rate, AV_TIME_BASE); 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) @@ -174,7 +176,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) const int nb_channels = inlink->channels; const int srate = inlink->sample_rate; const int nb_samples = insamples->nb_samples * nb_channels; - const int64_t nb_samples_notify = srate * s->duration * (s->mono ? 1 : nb_channels); + const int64_t nb_samples_notify = s->duration * (s->mono ? 1 : nb_channels); int c; // scale number of null samples to the new sample rate |