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dts, width/height explanation

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20796 b3059339-0415-0410-9bf9-f77b7e298cf2
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michael 2006-11-08 19:04:48 +00:00
parent 60d29dbd71
commit 2434d5f7c2
1 changed files with 6 additions and 0 deletions
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6
DOCS/tech/nut.txt
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@ -644,6 +644,11 @@ lsb_pts
all pts's of keyframes of a single stream MUST be monotone
dts
decoding timestamp
the dts of a frame is the timestamp of the first sample which is
output by a decoder when it is feeded with the frame, note that the
data output is not neccesarily what is coded in the frame, but may
be data from previous frames
dts is calculated by using a decode_delay+1 sized buffer for each
stream, into which the current pts is inserted and the element with
the smallest value is removed, this is then the current dts
@ -654,6 +659,7 @@ dts
frames are NOT exempt from this rule)
width/height
width and height of the video in pixels
MUST be set to the coded width/height, MUST NOT be 0
sample_width/sample_height (aspect ratio)