mirror of https://git.ffmpeg.org/ffmpeg.git
doc/indevs: add various missing options
Signed-off-by: Lou Logan <lou@lrcd.com> Reviewed-by: Ganesh Ajjanagadde <gajjanag@mit.edu>
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Lou Logan
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doc/indevs.texi
165
doc/indevs.texi
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@ -51,6 +51,18 @@ ffmpeg -f alsa -i hw:0 alsaout.wav
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For more information see:
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@url{http://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html}
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@subsection Options
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@table @option
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@item sample_rate
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Set the sample rate in Hz. Default is 48000.
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@item channels
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Set the number of channels. Default is 2.
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@end table
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@section avfoundation
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AVFoundation input device.
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@ -114,6 +126,19 @@ und the first one in this list is used instead. Available pixel formats are:
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bgr48be, uyvy422, yuva444p, yuva444p16le, yuv444p, yuv422p16, yuv422p10, yuv444p10,
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yuv420p, nv12, yuyv422, gray}
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@item -framerate
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Set the grabbing frame rate. Default is @code{ntsc}, corresponding to a
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frame rate of @code{30000/1001}.
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@item -video_size
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Set the video frame size.
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@item -capture_cursor
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Capture the mouse pointer. Default is 0.
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@item -capture_mouse_clicks
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Capture the screen mouse clicks. Default is 0.
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@end table
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@subsection Examples
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@ -150,6 +175,36 @@ $ ffmpeg -f avfoundation -pixel_format bgr0 -i "default:none" out.avi
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BSD video input device.
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@subsection Options
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@table @option
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@item framerate
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Set the frame rate.
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@item video_size
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Set the video frame size. Default is @code{vga}.
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@item standard
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Available values are:
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@table @samp
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@item pal
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@item ntsc
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@item secam
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@item paln
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@item palm
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@item ntscj
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@end table
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@end table
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@section decklink
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The decklink input device provides capture capabilities for Blackmagic
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@ -275,11 +330,11 @@ If set to @option{true}, print a list of selected device's options
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and exit.
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@item video_device_number
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Set video device number for devices with same name (starts at 0,
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Set video device number for devices with the same name (starts at 0,
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defaults to 0).
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@item audio_device_number
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Set audio device number for devices with same name (starts at 0,
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Set audio device number for devices with the same name (starts at 0,
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defaults to 0).
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@item pixel_format
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@ -429,6 +484,27 @@ $ ffmpeg -f dshow -show_video_device_dialog true -crossbar_video_input_pin_numbe
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Linux DV 1394 input device.
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@subsection Options
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@table @option
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@item framerate
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Set the frame rate. Default is 25.
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@item standard
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Available values are:
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@table @samp
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@item pal
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@item ntsc
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@end table
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Default value is @code{ntsc}.
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@end table
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@section fbdev
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Linux framebuffer input device.
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@ -441,6 +517,8 @@ console. It is accessed through a file device node, usually
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For more detailed information read the file
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Documentation/fb/framebuffer.txt included in the Linux source tree.
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See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1).
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To record from the framebuffer device @file{/dev/fb0} with
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@command{ffmpeg}:
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@example
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@ -452,7 +530,14 @@ You can take a single screenshot image with the command:
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ffmpeg -f fbdev -framerate 1 -i /dev/fb0 -frames:v 1 screenshot.jpeg
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@end example
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See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1).
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@subsection Options
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@table @option
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@item framerate
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Set the frame rate. Default is 25.
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@end table
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@section gdigrab
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@ -638,6 +723,15 @@ $ jack_connect metro:120_bpm ffmpeg:input_1
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For more information read:
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@url{http://jackaudio.org/}
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@subsection Options
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@table @option
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@item channels
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Set the number of channels. Default is 2.
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@end table
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@section lavfi
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Libavfilter input virtual device.
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@ -678,6 +772,9 @@ Set the filename of the filtergraph to be read and sent to the other
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filters. Syntax of the filtergraph is the same as the one specified by
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the option @var{graph}.
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@item dumpgraph
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Dump graph to stderr.
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@end table
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@subsection Examples
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@ -879,6 +976,19 @@ ffmpeg -f oss -i /dev/dsp /tmp/oss.wav
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For more information about OSS see:
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@url{http://manuals.opensound.com/usersguide/dsp.html}
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@subsection Options
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@table @option
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@item sample_rate
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Set the sample rate in Hz. Default is 48000.
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@item channels
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Set the number of channels. Default is 2.
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@end table
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@section pulse
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PulseAudio input device.
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@ -919,6 +1029,10 @@ Specify the number of bytes per frame, by default it is set to 1024.
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@item fragment_size
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Specify the minimal buffering fragment in PulseAudio, it will affect the
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audio latency. By default it is unset.
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@item wallclock
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Set the initial PTS using the current time. Default is 1.
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@end table
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@subsection Examples
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@ -954,6 +1068,22 @@ ffmpeg -f qtkit -i "default" out.mpg
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ffmpeg -f qtkit -list_devices true -i ""
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@end example
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@subsection Options
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@table @option
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@item frame_rate
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Set frame rate. Default is 30.
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@item list_devices
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If set to @code{true}, print a list of devices and exit. Default is
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@code{false}.
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@item video_device_index
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Select the video device by index for devices with the same name (starts at 0).
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@end table
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@section sndio
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sndio input device.
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@ -971,6 +1101,18 @@ command:
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ffmpeg -f sndio -i /dev/audio0 /tmp/oss.wav
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@end example
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@subsection Options
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@table @option
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@item sample_rate
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Set the sample rate in Hz. Default is 48000.
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@item channels
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Set the number of channels. Default is 2.
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@end table
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@section video4linux2, v4l2
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Video4Linux2 input video device.
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@ -1093,6 +1235,10 @@ Force conversion from monotonic to absolute timestamps.
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@end table
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Default value is @code{default}.
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@item use_libv4l2
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Use libv4l2 (v4l-utils) conversion functions. Default is 0.
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@end table
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@section vfwcap
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@ -1103,6 +1249,19 @@ The filename passed as input is the capture driver number, ranging from
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0 to 9. You may use "list" as filename to print a list of drivers. Any
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other filename will be interpreted as device number 0.
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@subsection Options
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@table @option
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@item video_size
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Set the video frame size.
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@item framerate
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Set the grabbing frame rate. Default value is @code{ntsc},
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corresponding to a frame rate of @code{30000/1001}.
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@end table
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@section x11grab
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X11 video input device.
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