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@ -43,10 +43,11 @@ typedef struct RubberBandContext { |
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#define OFFSET(x) offsetof(RubberBandContext, x) |
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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 rubberband_options[] = { |
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{ "tempo", "set tempo scale factor", OFFSET(tempo), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, A }, |
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{ "pitch", "set pitch scale factor", OFFSET(pitch), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, A }, |
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{ "tempo", "set tempo scale factor", OFFSET(tempo), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, AT }, |
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{ "pitch", "set pitch scale factor", OFFSET(pitch), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.01, 100, AT }, |
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{ "transients", "set transients", OFFSET(transients), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, A, "transients" }, |
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{ "crisp", 0, 0, AV_OPT_TYPE_CONST, {.i64=RubberBandOptionTransientsCrisp}, 0, 0, A, "transients" }, |
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{ "mixed", 0, 0, AV_OPT_TYPE_CONST, {.i64=RubberBandOptionTransientsMixed}, 0, 0, A, "transients" }, |
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@ -200,30 +201,14 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar |
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char *res, int res_len, int flags) |
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{ |
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RubberBandContext *s = ctx->priv; |
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int ret; |
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if (!strcmp(cmd, "tempo")) { |
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double arg; |
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sscanf(args, "%lf", &arg); |
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if (arg < 0.01 || arg > 100) { |
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av_log(ctx, AV_LOG_ERROR, |
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"Tempo scale factor '%f' out of range\n", arg); |
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return AVERROR(EINVAL); |
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} |
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rubberband_set_time_ratio(s->rbs, 1. / arg); |
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} |
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if (!strcmp(cmd, "pitch")) { |
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double arg; |
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ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); |
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if (ret < 0) |
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return ret; |
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sscanf(args, "%lf", &arg); |
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if (arg < 0.01 || arg > 100) { |
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av_log(ctx, AV_LOG_ERROR, |
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"Pitch scale factor '%f' out of range\n", arg); |
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return AVERROR(EINVAL); |
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} |
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rubberband_set_pitch_scale(s->rbs, arg); |
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} |
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rubberband_set_time_ratio(s->rbs, 1. / s->tempo); |
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rubberband_set_pitch_scale(s->rbs, s->pitch); |
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return 0; |
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} |
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