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Code Issues Releases Activity

avfilter/af_crossfeed: make options runtime configurable

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This commit is contained in:
Paul B Mahol 2020-04-30 12:04:27 +02:00
parent 35d6001815
commit 0a181c2cb1
2 changed files with 18 additions and 1 deletions
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4
doc/filters.texi
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@ -3278,6 +3278,10 @@ Set input gain. Default is 0.9.
Set output gain. Default is 1.
@end table
@subsection Commands
This filter supports the all above options as @ref{commands}.
@section crystalizer
Simple algorithm to expand audio dynamic range.

15
libavfilter/af_crossfeed.c
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@ -134,8 +134,20 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out);
}
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
char *res, int res_len, int flags)
{
int ret;
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0)
return ret;
return config_input(ctx->inputs[0]);
}
#define OFFSET(x) offsetof(CrossfeedContext, x)
#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption crossfeed_options[] = {
{ "strength", "set crossfeed strength", OFFSET(strength), AV_OPT_TYPE_DOUBLE, {.dbl=.2}, 0, 1, FLAGS },
@ -175,4 +187,5 @@ AVFilter ff_af_crossfeed = {
.inputs = inputs,
.outputs = outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.process_command = process_command,
};