15d7e31dcb
For a pure video tile effect, and enabling better integration of playback windows into other programs. It would improve the looks in many situations and avoid ugly hacks like this: http://stackoverflow.com/q/31465630/315024 Signed-off-by: Lucas Sandery <lucas-sandery@users.noreply.github.com> Signed-off-by: Marton Balint <cus@passwd.hu>
329 lines
8.7 KiB
Plaintext
329 lines
8.7 KiB
Plaintext
\input texinfo @c -*- texinfo -*-
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@documentencoding UTF-8
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@settitle ffplay Documentation
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@titlepage
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@center @titlefont{ffplay Documentation}
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@end titlepage
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@top
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@contents
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@chapter Synopsis
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ffplay [@var{options}] [@file{input_url}]
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@chapter Description
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@c man begin DESCRIPTION
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FFplay is a very simple and portable media player using the FFmpeg
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libraries and the SDL library. It is mostly used as a testbed for the
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various FFmpeg APIs.
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@c man end
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@chapter Options
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@c man begin OPTIONS
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@include fftools-common-opts.texi
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@section Main options
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@table @option
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@item -x @var{width}
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Force displayed width.
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@item -y @var{height}
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Force displayed height.
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@item -s @var{size}
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Set frame size (WxH or abbreviation), needed for videos which do
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not contain a header with the frame size like raw YUV. This option
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has been deprecated in favor of private options, try -video_size.
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@item -fs
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Start in fullscreen mode.
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@item -an
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Disable audio.
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@item -vn
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Disable video.
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@item -sn
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Disable subtitles.
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@item -ss @var{pos}
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Seek to @var{pos}. Note that in most formats it is not possible to seek
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exactly, so @command{ffplay} will seek to the nearest seek point to
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@var{pos}.
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@var{pos} must be a time duration specification,
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see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
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@item -t @var{duration}
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Play @var{duration} seconds of audio/video.
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@var{duration} must be a time duration specification,
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see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
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@item -bytes
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Seek by bytes.
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@item -nodisp
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Disable graphical display.
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@item -noborder
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Borderless window.
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@item -volume
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Set the startup volume. 0 means silence, 100 means no volume reduction or
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amplification. Negative values are treated as 0, values above 100 are treated
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as 100.
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@item -f @var{fmt}
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Force format.
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@item -window_title @var{title}
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Set window title (default is the input filename).
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@item -loop @var{number}
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Loops movie playback <number> times. 0 means forever.
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@item -showmode @var{mode}
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Set the show mode to use.
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Available values for @var{mode} are:
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@table @samp
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@item 0, video
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show video
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@item 1, waves
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show audio waves
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@item 2, rdft
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show audio frequency band using RDFT ((Inverse) Real Discrete Fourier Transform)
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@end table
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Default value is "video", if video is not present or cannot be played
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"rdft" is automatically selected.
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You can interactively cycle through the available show modes by
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pressing the key @key{w}.
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@item -vf @var{filtergraph}
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Create the filtergraph specified by @var{filtergraph} and use it to
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filter the video stream.
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@var{filtergraph} is a description of the filtergraph to apply to
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the stream, and must have a single video input and a single video
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output. In the filtergraph, the input is associated to the label
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@code{in}, and the output to the label @code{out}. See the
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ffmpeg-filters manual for more information about the filtergraph
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syntax.
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You can specify this parameter multiple times and cycle through the specified
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filtergraphs along with the show modes by pressing the key @key{w}.
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@item -af @var{filtergraph}
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@var{filtergraph} is a description of the filtergraph to apply to
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the input audio.
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Use the option "-filters" to show all the available filters (including
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sources and sinks).
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@item -i @var{input_url}
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Read @var{input_url}.
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@end table
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@section Advanced options
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@table @option
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@item -pix_fmt @var{format}
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Set pixel format.
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This option has been deprecated in favor of private options, try -pixel_format.
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@item -stats
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Print several playback statistics, in particular show the stream
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duration, the codec parameters, the current position in the stream and
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the audio/video synchronisation drift. It is on by default, to
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explicitly disable it you need to specify @code{-nostats}.
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@item -fast
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Non-spec-compliant optimizations.
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@item -genpts
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Generate pts.
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@item -sync @var{type}
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Set the master clock to audio (@code{type=audio}), video
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(@code{type=video}) or external (@code{type=ext}). Default is audio. The
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master clock is used to control audio-video synchronization. Most media
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players use audio as master clock, but in some cases (streaming or high
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quality broadcast) it is necessary to change that. This option is mainly
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used for debugging purposes.
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@item -ast @var{audio_stream_specifier}
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Select the desired audio stream using the given stream specifier. The stream
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specifiers are described in the @ref{Stream specifiers} chapter. If this option
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is not specified, the "best" audio stream is selected in the program of the
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already selected video stream.
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@item -vst @var{video_stream_specifier}
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Select the desired video stream using the given stream specifier. The stream
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specifiers are described in the @ref{Stream specifiers} chapter. If this option
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is not specified, the "best" video stream is selected.
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@item -sst @var{subtitle_stream_specifier}
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Select the desired subtitle stream using the given stream specifier. The stream
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specifiers are described in the @ref{Stream specifiers} chapter. If this option
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is not specified, the "best" subtitle stream is selected in the program of the
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already selected video or audio stream.
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@item -autoexit
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Exit when video is done playing.
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@item -exitonkeydown
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Exit if any key is pressed.
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@item -exitonmousedown
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Exit if any mouse button is pressed.
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@item -codec:@var{media_specifier} @var{codec_name}
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Force a specific decoder implementation for the stream identified by
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@var{media_specifier}, which can assume the values @code{a} (audio),
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@code{v} (video), and @code{s} subtitle.
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@item -acodec @var{codec_name}
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Force a specific audio decoder.
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@item -vcodec @var{codec_name}
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Force a specific video decoder.
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@item -scodec @var{codec_name}
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Force a specific subtitle decoder.
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@item -autorotate
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Automatically rotate the video according to file metadata. Enabled by
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default, use @option{-noautorotate} to disable it.
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@item -framedrop
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Drop video frames if video is out of sync. Enabled by default if the master
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clock is not set to video. Use this option to enable frame dropping for all
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master clock sources, use @option{-noframedrop} to disable it.
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@item -infbuf
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Do not limit the input buffer size, read as much data as possible from the
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input as soon as possible. Enabled by default for realtime streams, where data
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may be dropped if not read in time. Use this option to enable infinite buffers
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for all inputs, use @option{-noinfbuf} to disable it.
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@end table
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@section While playing
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@table @key
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@item q, ESC
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Quit.
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@item f
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Toggle full screen.
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@item p, SPC
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Pause.
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@item m
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Toggle mute.
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@item 9, 0
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Decrease and increase volume respectively.
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@item /, *
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Decrease and increase volume respectively.
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@item a
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Cycle audio channel in the current program.
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@item v
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Cycle video channel.
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@item t
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Cycle subtitle channel in the current program.
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@item c
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Cycle program.
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@item w
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Cycle video filters or show modes.
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@item s
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Step to the next frame.
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Pause if the stream is not already paused, step to the next video
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frame, and pause.
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@item left/right
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Seek backward/forward 10 seconds.
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@item down/up
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Seek backward/forward 1 minute.
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@item page down/page up
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Seek to the previous/next chapter.
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or if there are no chapters
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Seek backward/forward 10 minutes.
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@item right mouse click
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Seek to percentage in file corresponding to fraction of width.
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@item left mouse double-click
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Toggle full screen.
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@end table
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@c man end
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@include config.texi
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@ifset config-all
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@set config-readonly
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@ifset config-avutil
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@include utils.texi
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@end ifset
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@ifset config-avcodec
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@include codecs.texi
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@include bitstream_filters.texi
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@end ifset
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@ifset config-avformat
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@include formats.texi
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@include protocols.texi
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@end ifset
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@ifset config-avdevice
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@include devices.texi
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@end ifset
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@ifset config-swresample
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@include resampler.texi
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@end ifset
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@ifset config-swscale
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@include scaler.texi
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@end ifset
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@ifset config-avfilter
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@include filters.texi
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@end ifset
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@end ifset
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@chapter See Also
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@ifhtml
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@ifset config-all
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@url{ffplay.html,ffplay},
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@end ifset
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@ifset config-not-all
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@url{ffplay-all.html,ffmpeg-all},
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@end ifset
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@url{ffmpeg.html,ffmpeg}, @url{ffprobe.html,ffprobe}, @url{ffserver.html,ffserver},
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@url{ffmpeg-utils.html,ffmpeg-utils},
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@url{ffmpeg-scaler.html,ffmpeg-scaler},
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@url{ffmpeg-resampler.html,ffmpeg-resampler},
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@url{ffmpeg-codecs.html,ffmpeg-codecs},
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@url{ffmpeg-bitstream-filters.html,ffmpeg-bitstream-filters},
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@url{ffmpeg-formats.html,ffmpeg-formats},
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@url{ffmpeg-devices.html,ffmpeg-devices},
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@url{ffmpeg-protocols.html,ffmpeg-protocols},
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@url{ffmpeg-filters.html,ffmpeg-filters}
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@end ifhtml
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@ifnothtml
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@ifset config-all
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ffplay(1),
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@end ifset
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@ifset config-not-all
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ffplay-all(1),
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@end ifset
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ffmpeg(1), ffprobe(1), ffserver(1),
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ffmpeg-utils(1), ffmpeg-scaler(1), ffmpeg-resampler(1),
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ffmpeg-codecs(1), ffmpeg-bitstream-filters(1), ffmpeg-formats(1),
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ffmpeg-devices(1), ffmpeg-protocols(1), ffmpeg-filters(1)
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@end ifnothtml
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@include authors.texi
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@ignore
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@setfilename ffplay
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@settitle FFplay media player
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@end ignore
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@bye
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