Merge commit '194be1f43ea391eb986732707435176e579265aa'

* commit '194be1f43ea391eb986732707435176e579265aa':
  lavf: switch to AVStream.time_base as the hint for the muxer timebase

Conflicts:
	doc/APIchanges
	libavformat/filmstripenc.c
	libavformat/movenc.c
	libavformat/mxfenc.c
	libavformat/oggenc.c
	libavformat/swf.h
	libavformat/version.h
	tests/ref/lavf/mkv

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

1 files changed, 6 insertions, 3 deletions

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 16c225479d..a2cea10180 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -800,9 +800,12 @@ typedef struct AVStream {
      * of which frame timestamps are represented.
      *
      * decoding: set by libavformat
-     * encoding: set by libavformat in avformat_write_header. The muxer may use the
-     * user-provided value of @ref AVCodecContext.time_base "codec->time_base"
-     * as a hint.
+     * encoding: May be set by the caller before avformat_write_header() to
+     *           provide a hint to the muxer about the desired timebase. In
+     *           avformat_write_header(), the muxer will overwrite this field
+     *           with the timebase that will actually be used for the timestamps
+     *           written into the file (which may or may not be related to the
+     *           user-provided one, depending on the format).
      */
     AVRational time_base;