avformat/wavdec: allow data chunk to be before fmt/xma2 chunk

[ffmpeg] / ffmpeg.c

diff --git a/ffmpeg.c b/ffmpeg.c
index 00d5476b7c07b111f43afbd4eb987f8391559709..7f3c426e099f6f80085df17049e124e633601324 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -671,6 +671,11 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
             else
                 ost->error[i] = -1;
         }
+
+        if (ost->frame_rate.num) {
+            pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
+                                         ost->st->time_base);
+        }
     }
 
     if (bsfc)