ffmpeg: Force a first_pts of 0 for the first configuration of -async use

This is very close to what the default does currently

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 3 insertions, 0 deletions

diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index 7a9efeaf05..1919f78e24 100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -675,6 +675,8 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
         av_strlcatf(args, sizeof(args), "async=%d", audio_sync_method);
         if (audio_drift_threshold != 0.1)
             av_strlcatf(args, sizeof(args), ":min_hard_comp=%f", audio_drift_threshold);
+        if (!fg->reconfiguration)
+            av_strlcatf(args, sizeof(args), ":first_pts=0");
         AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
     }
 
@@ -796,6 +798,7 @@ int configure_filtergraph(FilterGraph *fg)
         }
     }
 
+    fg->reconfiguration = 1;
     return 0;
 }