From 5d820db2f9c396373f2293e6b41944093a4766d5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= Date: Sat, 29 Jan 2011 13:53:14 +0100 Subject: [PATCH] Document that av_write_header sets stream time_base to a value of it chosing. Signed-off-by: Janne Grunau --- libavformat/avformat.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/avformat.h b/libavformat/avformat.h index 8fb77f958c..afcf5b0d11 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -510,6 +510,8 @@ typedef struct AVStream { * This is the fundamental unit of time (in seconds) in terms * of which frame timestamps are represented. For fixed-fps content, * time base should be 1/framerate and timestamp increments should be 1. + * decoding: set by libavformat + * encoding: set by libavformat in av_write_header */ AVRational time_base; int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */ @@ -1380,6 +1382,8 @@ void av_url_split(char *proto, int proto_size, /** * Allocate the stream private data and write the stream header to an * output media file. + * @note: this sets stream time-bases, if possible to stream->codec->time_base + * but for some formats it might also be some other time base * * @param s media file handle * @return 0 if OK, AVERROR_xxx on error