avfilter/ff_filter_frame_needs_framing: fix handling of AV_NOPTS_VALUE

Fixes Ticket3015 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 8780f7fbfa
parent 8c7bc7d3e5
commit 8780f7fbfa
1 changed files with 3 additions and 2 deletions
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@ -1092,8 +1092,9 @@ static int ff_filter_frame_needs_framing(AVFilterLink *link, AVFrame *frame)
                return 0;
            }
            av_frame_copy_props(pbuf, frame);
-            pbuf->pts = frame->pts +
-                        av_rescale_q(inpos, samples_tb, link->time_base);
+            pbuf->pts = frame->pts;
+            if (pbuf->pts != AV_NOPTS_VALUE)
+                pbuf->pts += av_rescale_q(inpos, samples_tb, link->time_base);
            pbuf->nb_samples = 0;
        }
        nb_samples = FFMIN(insamples,