[Bf-blender-cvs] [e314260fa77] master: VSE: Fix "off by one" error when encoding audio

[Sebastian Parborg]

Commit: e314260fa778b5d0874cadab1f70f91bddd18434
Author: Sebastian Parborg
Date:   Fri Jul 9 15:06:06 2021 +0200
Branches: master
https://developer.blender.org/rBe314260fa778b5d0874cadab1f70f91bddd18434

VSE: Fix "off by one" error when encoding audio

Before we didn't encode the audio up until the current frame.
This lead to us not encoding the last video frame of audio.

Reviewed By: Richard Antalik

Differential Revision: http://developer.blender.org/D11918

===================================================================

M	source/blender/blenkernel/intern/writeffmpeg.c

===================================================================

diff --git a/source/blender/blenkernel/intern/writeffmpeg.c b/source/blender/blenkernel/intern/writeffmpeg.c
index 9f3f50febe8..323da7473b5 100644
--- a/source/blender/blenkernel/intern/writeffmpeg.c
+++ b/source/blender/blenkernel/intern/writeffmpeg.c
@@ -1435,8 +1435,9 @@ int BKE_ffmpeg_append(void *context_v,
   }
 
 #  ifdef WITH_AUDASPACE
-  write_audio_frames(context,
-                     (frame - start_frame) / (((double)rd->frs_sec) / (double)rd->frs_sec_base));
+  /* Add +1 frame because we want to encode audio up until the next video frame. */
+  write_audio_frames(
+      context, (frame - start_frame + 1) / (((double)rd->frs_sec) / (double)rd->frs_sec_base));
 #  endif
   return success;
 }