[FFmpeg-cvslog] avfilter/af_rubberband: add process_command()
Paul B Mahol
git at videolan.org
Fri Oct 2 10:38:30 CEST 2015
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Sep 30 21:40:54 2015 +0200| [1d7d8244943cfbfce21049453f56e0d72f2c6d8a] | committer: Paul B Mahol
avfilter/af_rubberband: add process_command()
Signed-off-by: Paul B Mahol <onemda at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1d7d8244943cfbfce21049453f56e0d72f2c6d8a
---
libavfilter/af_rubberband.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/libavfilter/af_rubberband.c b/libavfilter/af_rubberband.c
index 0a15fdc..ded2544 100644
--- a/libavfilter/af_rubberband.c
+++ b/libavfilter/af_rubberband.c
@@ -207,6 +207,38 @@ static int request_frame(AVFilterLink *outlink)
return ret;
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ RubberBandContext *s = ctx->priv;
+
+ if (!strcmp(cmd, "tempo")) {
+ double arg;
+
+ 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);
+ }
+
+ return 0;
+}
+
static const AVFilterPad rubberband_inputs[] = {
{
.name = "default",
@@ -235,4 +267,5 @@ AVFilter ff_af_rubberband = {
.uninit = uninit,
.inputs = rubberband_inputs,
.outputs = rubberband_outputs,
+ .process_command = process_command,
};
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