[gegl] ff-save: tune audio encoding to work for both .ogv and .mkv containers

[Øyvind Kolås <ok src gnome org>]

commit 31fa2608795441a7bf24077809fa34fd1a53d9dc
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Nov 23 06:36:13 2015 +0100

    ff-save: tune audio encoding to work for both .ogv and .mkv containers

 operations/external/ff-save.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/external/ff-save.c b/operations/external/ff-save.c
index f9a845c..31aff51 100644
--- a/operations/external/ff-save.c
+++ b/operations/external/ff-save.c
@@ -424,7 +424,7 @@ write_audio_frame (GeglProperties *o, AVFormatContext * oc, AVStream * st)
         fprintf (stderr, "eeeek unhandled audio format\n");
         break;
     }
-    frame->pts = av_rescale_q (p->next_apts, (AVRational){1, c->sample_rate}, c->time_base);
+    frame->pts = av_rescale_q (p->next_apts, (AVRational){1, c->sample_rate}, st->time_base);
     p->next_apts += sample_count;
 
     av_frame_make_writable (frame);