Commit 05e894bc authored by Limin Wang's avatar Limin Wang Committed by Diego Biurrun

Explain a few more options that were recently added.

patch by Limin Wang, lance.lmwang gmail com

Originally committed as revision 8349 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 2a89ee9a
...@@ -35,10 +35,17 @@ show help ...@@ -35,10 +35,17 @@ show help
force displayed width force displayed width
@item -y height @item -y height
force displayed height force displayed height
@item -s size
Set frame size (WxH or abbreviation), needed for videos which don't
contain a header with the framesize like raw YUV.
@item -an @item -an
disable audio disable audio
@item -vn @item -vn
disable video disable video
@item -ss pos
seek to a given position in seconds
@item -bytes
seek by bytes
@item -nodisp @item -nodisp
disable graphical display disable graphical display
@item -f fmt @item -f fmt
...@@ -47,9 +54,21 @@ force format ...@@ -47,9 +54,21 @@ force format
@section Advanced options @section Advanced options
@table @option @table @option
@item -pix_fmt format
set pixel format
@item -stats @item -stats
Show the stream duration, the codec parameters, the current position in Show the stream duration, the codec parameters, the current position in
the stream and the audio/video synchronisation drift. the stream and the audio/video synchronisation drift.
@item -debug
print specific debug info
@item -bug
work around bugs
@item -vismv
visualize motion vectors
@item -fast
non-spec-compliant optimizations
@item -genpts
generate pts
@item -rtp_tcp @item -rtp_tcp
Force RTP/TCP protocol usage instead of RTP/UDP. It is only meaningful Force RTP/TCP protocol usage instead of RTP/UDP. It is only meaningful
if you are streaming with the RTSP protocol. if you are streaming with the RTSP protocol.
...@@ -60,6 +79,8 @@ master clock is used to control audio-video synchronization. Most media ...@@ -60,6 +79,8 @@ master clock is used to control audio-video synchronization. Most media
players use audio as master clock, but in some cases (streaming or high players use audio as master clock, but in some cases (streaming or high
quality broadcast) it is necessary to change that. This option is mainly quality broadcast) it is necessary to change that. This option is mainly
used for debugging purposes. used for debugging purposes.
@item -threads count
thread count
@end table @end table
@section While playing @section While playing
...@@ -82,6 +103,16 @@ cycle video channel ...@@ -82,6 +103,16 @@ cycle video channel
@item w @item w
show audio waves show audio waves
@item left/right
seek backward/forward 10 seconds
@item down/up
seek backward/forward 1 minute
@item mouse click
seek to percentage in file corresponding to fraction of width
@end table @end table
@c man end @c man end
......
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