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avfilter/af_rubberband: use ff_filter_process_command()

This commit is contained in:
Paul B Mahol 2019-10-08 22:15:09 +02:00
parent 9e883a1448
commit dcfe32920c
1 changed files with 9 additions and 24 deletions
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33
libavfilter/af_rubberband.c
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@ -43,10 +43,11 @@ typedef struct RubberBandContext {
#define OFFSET(x) offsetof(RubberBandContext, x)
#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 rubberband_options[] = {
{ "tempo", "set tempo scale factor", OFFSET(tempo), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, A },
{ "pitch", "set pitch scale factor", OFFSET(pitch), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, A },
{ "tempo", "set tempo scale factor", OFFSET(tempo), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, AT },
{ "pitch", "set pitch scale factor", OFFSET(pitch), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, AT },
{ "transients", "set transients", OFFSET(transients), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, A, "transients" },
{ "crisp", 0, 0, AV_OPT_TYPE_CONST, {.i64=RubberBandOptionTransientsCrisp}, 0, 0, A, "transients" },
{ "mixed", 0, 0, AV_OPT_TYPE_CONST, {.i64=RubberBandOptionTransientsMixed}, 0, 0, A, "transients" },
@ -200,30 +201,14 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
char *res, int res_len, int flags)
{
RubberBandContext *s = ctx->priv;
int ret;
if (!strcmp(cmd, "tempo")) {
double arg;
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0)
return ret;
sscanf(args, "%lf", &arg);
if (arg < 0.01 || arg > 100) {
av_log(ctx, AV_LOG_ERROR,
"Tempo scale factor '%f' out of range\n", arg);
return AVERROR(EINVAL);
}
rubberband_set_time_ratio(s->rbs, 1. / arg);
}
if (!strcmp(cmd, "pitch")) {
double arg;
sscanf(args, "%lf", &arg);
if (arg < 0.01 || arg > 100) {
av_log(ctx, AV_LOG_ERROR,
"Pitch scale factor '%f' out of range\n", arg);
return AVERROR(EINVAL);
}
rubberband_set_pitch_scale(s->rbs, arg);
}
rubberband_set_time_ratio(s->rbs, 1. / s->tempo);
rubberband_set_pitch_scale(s->rbs, s->pitch);
return 0;
}