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Code Issues Releases Activity

avfilter/af_stereowiden: add support for commands

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This commit is contained in:
Paul B Mahol 2019-12-27 21:03:29 +01:00
parent 954637805d
commit 5fb37598ad
2 changed files with 10 additions and 4 deletions
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4
doc/filters.texi
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@ -5171,6 +5171,10 @@ channels. Default is 0.3.
Set level of input signal of original channel. Default is 0.8.
@end table
@subsection Commands
This filter supports the all above options except @code{delay} as @ref{commands}.
@section superequalizer
Apply 18 band equalizer.

10
libavfilter/af_stereowiden.c
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@ -39,13 +39,14 @@ typedef struct StereoWidenContext {
} StereoWidenContext;
#define OFFSET(x) offsetof(StereoWidenContext, x)
#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define AT AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption stereowiden_options[] = {
{ "delay", "set delay time", OFFSET(delay), AV_OPT_TYPE_FLOAT, {.dbl=20}, 1, 100, A },
{ "feedback", "set feedback gain", OFFSET(feedback), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.9, A },
{ "crossfeed", "set cross feed", OFFSET(crossfeed), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.8, A },
{ "drymix", "set dry-mix", OFFSET(drymix), AV_OPT_TYPE_FLOAT, {.dbl=.8}, 0, 1.0, A },
{ "feedback", "set feedback gain", OFFSET(feedback), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.9, AT },
{ "crossfeed", "set cross feed", OFFSET(crossfeed), AV_OPT_TYPE_FLOAT, {.dbl=.3}, 0, 0.8, AT },
{ "drymix", "set dry-mix", OFFSET(drymix), AV_OPT_TYPE_FLOAT, {.dbl=.8}, 0, 1.0, AT },
{ NULL }
};
@ -165,4 +166,5 @@ AVFilter ff_af_stereowiden = {
.inputs = inputs,
.outputs = outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.process_command = ff_filter_process_command,
};