mirror of https://git.ffmpeg.org/ffmpeg.git
avfilter/af_stereowiden: add support for commands
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@ -5171,6 +5171,10 @@ channels. Default is 0.3.
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Set level of input signal of original channel. Default is 0.8.
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Set level of input signal of original channel. Default is 0.8.
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@end table
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@end table
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@subsection Commands
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This filter supports the all above options except @code{delay} as @ref{commands}.
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@section superequalizer
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@section superequalizer
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Apply 18 band equalizer.
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Apply 18 band equalizer.
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@ -39,13 +39,14 @@ typedef struct StereoWidenContext {
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} StereoWidenContext;
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} StereoWidenContext;
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#define OFFSET(x) offsetof(StereoWidenContext, x)
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#define OFFSET(x) offsetof(StereoWidenContext, x)
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#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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#define AT AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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static const AVOption stereowiden_options[] = {
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static const AVOption stereowiden_options[] = {
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{ "delay", "set delay time", OFFSET(delay), AV_OPT_TYPE_FLOAT, {.dbl=20}, 1, 100, A },
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{ "delay", "set delay time", OFFSET(delay), AV_OPT_TYPE_FLOAT, {.dbl=20}, 1, 100, A },
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{ "feedback", "set feedback gain", OFFSET(feedback), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.9, A },
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{ "feedback", "set feedback gain", OFFSET(feedback), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.9, AT },
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{ "crossfeed", "set cross feed", OFFSET(crossfeed), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.8, A },
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{ "crossfeed", "set cross feed", OFFSET(crossfeed), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.8, AT },
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{ "drymix", "set dry-mix", OFFSET(drymix), AV_OPT_TYPE_FLOAT, {.dbl=.8}, 0, 1.0, A },
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{ "drymix", "set dry-mix", OFFSET(drymix), AV_OPT_TYPE_FLOAT, {.dbl=.8}, 0, 1.0, AT },
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{ NULL }
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{ NULL }
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};
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};
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@ -165,4 +166,5 @@ AVFilter ff_af_stereowiden = {
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.inputs = inputs,
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.inputs = inputs,
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.outputs = outputs,
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.outputs = outputs,
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
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.process_command = ff_filter_process_command,
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};
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};
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