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doc/ffmpeg: make the ASCII flow charts narrower to fit onto TTY

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These charts in man page are currently destroyed.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/58/head
Timothy Gu 11 years ago committed by Michael Niedermayer
parent 45581ed15d
commit 8fe1076094
1 changed files with 25 additions and 14 deletions
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  1. 39
      doc/ffmpeg.texi

39
doc/ffmpeg.texi
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@ -80,11 +80,22 @@ The transcoding process in @command{ffmpeg} for each output can be described by
the following diagram:
@example
_______ ______________ _________ ______________ ________
| | | | | | | | | |
| input | demuxer | encoded data | decoder | decoded | encoder | encoded data | muxer | output |
| file | ---------> | packets | ---------> | frames | ---------> | packets | -------> | file |
|_______| |______________| |_________| |______________| |________|
_______ ______________
| | | |
| input | demuxer | encoded data | decoder
| file | ---------> | packets | -----+
|_______| |______________| |
v
_________
| |
| decoded |
| frames |
________ ______________ |_________|
| | | | |
| output | <-------- | encoded data | <----+
| file | muxer | packets | encoder
|________| |______________|
@end example
@ -112,11 +123,11 @@ the same type. In the above diagram they can be represented by simply inserting
an additional step between decoding and encoding:
@example
_________ __________ ______________
| | | | | |
| decoded | simple filtergraph | filtered | encoder | encoded data |
| frames | -------------------> | frames | ---------> | packets |
|_________| |__________| |______________|
_________ __________ ______________
| | simple | | | |
| decoded | fltrgrph | filtered | encoder | encoded data |
| frames | ----------> | frames | ---------> | packets |
|_________| |__________| |______________|
@end example
@ -125,10 +136,10 @@ Simple filtergraphs are configured with the per-stream @option{-filter} option
A simple filtergraph for video can look for example like this:
@example
_______ _____________ _______ _____ ________
| | | | | | | | | |
| input | ---> | deinterlace | ---> | scale | ---> | fps | ---> | output |
|_______| |_____________| |_______| |_____| |________|
_______ _____________ _______ ________
| | | | | | | |
| input | ---> | deinterlace | ---> | scale | ---> | output |
|_______| |_____________| |_______| |________|
@end example

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