mirror of https://git.ffmpeg.org/ffmpeg.git
avfilter: document mono option of silencedetect filter
Also provide shorter option, and reorder options in documentation.
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@ -4171,12 +4171,15 @@ The printed times and duration are expressed in seconds.
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The filter accepts the following options:
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The filter accepts the following options:
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@table @option
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@table @option
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@item duration, d
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Set silence duration until notification (default is 2 seconds).
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@item noise, n
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@item noise, n
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Set noise tolerance. Can be specified in dB (in case "dB" is appended to the
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Set noise tolerance. Can be specified in dB (in case "dB" is appended to the
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specified value) or amplitude ratio. Default is -60dB, or 0.001.
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specified value) or amplitude ratio. Default is -60dB, or 0.001.
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@item duration, d
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Set silence duration until notification (default is 2 seconds).
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@item mono, m
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Process each channel separately, instead of combined. By default is disabled.
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@end table
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@end table
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@subsection Examples
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@subsection Examples
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@ -57,7 +57,8 @@ static const AVOption silencedetect_options[] = {
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{ "noise", "set noise tolerance", OFFSET(noise), AV_OPT_TYPE_DOUBLE, {.dbl=0.001}, 0, DBL_MAX, FLAGS },
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{ "noise", "set noise tolerance", OFFSET(noise), AV_OPT_TYPE_DOUBLE, {.dbl=0.001}, 0, DBL_MAX, FLAGS },
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{ "d", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS },
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{ "d", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS },
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{ "duration", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS },
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{ "duration", "set minimum duration in seconds", OFFSET(duration), AV_OPT_TYPE_DOUBLE, {.dbl=2.}, 0, 24*60*60, FLAGS },
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{ "mono", "check each channel separately", OFFSET(mono), AV_OPT_TYPE_BOOL, {.i64=0.}, 0, 1, FLAGS },
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{ "mono", "check each channel separately", OFFSET(mono), AV_OPT_TYPE_BOOL, {.i64=0.}, 0, 1, FLAGS },
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{ "m", "check each channel separately", OFFSET(mono), AV_OPT_TYPE_BOOL, {.i64=0.}, 0, 1, FLAGS },
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{ NULL }
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{ NULL }
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};
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};
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