[FFmpeg-cvslog] avfilter/af_headphone: fix flushing

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Apr 14 17:49:54 2018 +0200| [01170e9db0715123ada6114a8189858a43f81caf] | committer: Paul B Mahol

avfilter/af_headphone: fix flushing

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=01170e9db0715123ada6114a8189858a43f81caf
---

 libavfilter/af_headphone.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c
index 974445e15c..57cca1a4f6 100644
--- a/libavfilter/af_headphone.c
+++ b/libavfilter/af_headphone.c
@@ -742,7 +742,20 @@ static int request_frame(AVFilterLink *outlink)
                 s->eof_hrirs = 1;
         }
     }
-    return ff_request_frame(ctx->inputs[0]);
+
+    ret = ff_request_frame(ctx->inputs[0]);
+    if (ret == AVERROR_EOF && av_audio_fifo_size(s->in[0].fifo) > 0 && s->have_hrirs) {
+        AVFrame *in = ff_get_audio_buffer(outlink, s->size);
+
+        ret = av_audio_fifo_write(s->in[0].fifo, (void **)in->extended_data,
+                                  in->nb_samples);
+        if (ret < 0)
+            return ret;
+        ret = headphone_frame(s, outlink);
+        av_audio_fifo_drain(s->in[0].fifo, av_audio_fifo_size(s->in[0].fifo));
+    }
+
+    return ret;
 }
 
 static av_cold void uninit(AVFilterContext *ctx)