ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Mon Nov 12 12:30:37 
2018 +0100| [e96742dd3bdfa36c8c80cc0c7a63af1425386c49] | committer: Paul B Mahol

avfilter/af_afftfilt: use first input frame timestamp

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e96742dd3bdfa36c8c80cc0c7a63af1425386c49
---

 libavfilter/af_afftfilt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavfilter/af_afftfilt.c b/libavfilter/af_afftfilt.c
index 150f8ed859..8518f08dc5 100644
--- a/libavfilter/af_afftfilt.c
+++ b/libavfilter/af_afftfilt.c
@@ -142,6 +142,7 @@ static int config_input(AVFilterLink *inlink)
     char *args;
     const char *last_expr = "1";
 
+    s->pts  = AV_NOPTS_VALUE;
     s->fft  = av_fft_init(s->fft_bits, 0);
     s->ifft = av_fft_init(s->fft_bits, 1);
     if (!s->fft || !s->ifft)
@@ -251,6 +252,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame 
*frame)
     int ch, n, ret, i, j, k;
     int start = s->start, end = s->end;
 
+    if (s->pts == AV_NOPTS_VALUE)
+        s->pts = frame->pts;
+
     ret = av_audio_fifo_write(s->fifo, (void **)frame->extended_data, 
frame->nb_samples);
     av_frame_free(&frame);
     if (ret < 0)

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