[FFmpeg-devel] [PATCH] avfilter/avf_concat: nb_samples got from delta pts must be > 0

[Paul B Mahol]

Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
 libavfilter/avf_concat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/avf_concat.c b/libavfilter/avf_concat.c
index 5608ed9ac6..0b10b738a4 100644
--- a/libavfilter/avf_concat.c
+++ b/libavfilter/avf_concat.c
@@ -254,7 +254,7 @@ static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no,
     nb_samples = av_rescale_q(seg_delta - cat->in[in_no].pts,
                               outlink->time_base, rate_tb);
     frame_nb_samples = FFMAX(9600, rate_tb.den / 5); /* arbitrary */
-    while (nb_samples) {
+    while (nb_samples > 0) {
         frame_nb_samples = FFMIN(frame_nb_samples, nb_samples);
         buf = ff_get_audio_buffer(outlink, frame_nb_samples);
         if (!buf)
-- 
2.17.1