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authorLou Logan <lou@lrcd.com>2015-08-18 17:43:33 -0800
committerLou Logan <lou@lrcd.com>2015-08-19 10:34:24 -0800
commit4918726d4123a18a6463225cb3dcb9218247dd4e (patch)
tree34a656d4786c422f7bd28f20bd358321bbdfedef /doc/indevs.texi
parent2fa019958b4f8d1412f0e021c0c0aa0645ec6c7a (diff)
doc/indevs: add various missing options
Signed-off-by: Lou Logan <lou@lrcd.com> Reviewed-by: Ganesh Ajjanagadde <gajjanag@mit.edu>
Diffstat (limited to 'doc/indevs.texi')
-rw-r--r--doc/indevs.texi165
1 files changed, 162 insertions, 3 deletions
diff --git a/doc/indevs.texi b/doc/indevs.texi
index 6f47504287..30ba36eed3 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -51,6 +51,18 @@ ffmpeg -f alsa -i hw:0 alsaout.wav
For more information see:
@url{http://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html}
+@subsection Options
+
+@table @option
+
+@item sample_rate
+Set the sample rate in Hz. Default is 48000.
+
+@item channels
+Set the number of channels. Default is 2.
+
+@end table
+
@section avfoundation
AVFoundation input device.
@@ -114,6 +126,19 @@ und the first one in this list is used instead. Available pixel formats are:
bgr48be, uyvy422, yuva444p, yuva444p16le, yuv444p, yuv422p16, yuv422p10, yuv444p10,
yuv420p, nv12, yuyv422, gray}
+@item -framerate
+Set the grabbing frame rate. Default is @code{ntsc}, corresponding to a
+frame rate of @code{30000/1001}.
+
+@item -video_size
+Set the video frame size.
+
+@item -capture_cursor
+Capture the mouse pointer. Default is 0.
+
+@item -capture_mouse_clicks
+Capture the screen mouse clicks. Default is 0.
+
@end table
@subsection Examples
@@ -150,6 +175,36 @@ $ ffmpeg -f avfoundation -pixel_format bgr0 -i "default:none" out.avi
BSD video input device.
+@subsection Options
+
+@table @option
+
+@item framerate
+Set the frame rate.
+
+@item video_size
+Set the video frame size. Default is @code{vga}.
+
+@item standard
+
+Available values are:
+@table @samp
+@item pal
+
+@item ntsc
+
+@item secam
+
+@item paln
+
+@item palm
+
+@item ntscj
+
+@end table
+
+@end table
+
@section decklink
The decklink input device provides capture capabilities for Blackmagic
@@ -275,11 +330,11 @@ If set to @option{true}, print a list of selected device's options
and exit.
@item video_device_number
-Set video device number for devices with same name (starts at 0,
+Set video device number for devices with the same name (starts at 0,
defaults to 0).
@item audio_device_number
-Set audio device number for devices with same name (starts at 0,
+Set audio device number for devices with the same name (starts at 0,
defaults to 0).
@item pixel_format
@@ -429,6 +484,27 @@ $ ffmpeg -f dshow -show_video_device_dialog true -crossbar_video_input_pin_numbe
Linux DV 1394 input device.
+@subsection Options
+
+@table @option
+
+@item framerate
+Set the frame rate. Default is 25.
+
+@item standard
+
+Available values are:
+@table @samp
+@item pal
+
+@item ntsc
+
+@end table
+
+Default value is @code{ntsc}.
+
+@end table
+
@section fbdev
Linux framebuffer input device.
@@ -441,6 +517,8 @@ console. It is accessed through a file device node, usually
For more detailed information read the file
Documentation/fb/framebuffer.txt included in the Linux source tree.
+See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1).
+
To record from the framebuffer device @file{/dev/fb0} with
@command{ffmpeg}:
@example
@@ -452,7 +530,14 @@ You can take a single screenshot image with the command:
ffmpeg -f fbdev -framerate 1 -i /dev/fb0 -frames:v 1 screenshot.jpeg
@end example
-See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1).
+@subsection Options
+
+@table @option
+
+@item framerate
+Set the frame rate. Default is 25.
+
+@end table
@section gdigrab
@@ -638,6 +723,15 @@ $ jack_connect metro:120_bpm ffmpeg:input_1
For more information read:
@url{http://jackaudio.org/}
+@subsection Options
+
+@table @option
+
+@item channels
+Set the number of channels. Default is 2.
+
+@end table
+
@section lavfi
Libavfilter input virtual device.
@@ -678,6 +772,9 @@ Set the filename of the filtergraph to be read and sent to the other
filters. Syntax of the filtergraph is the same as the one specified by
the option @var{graph}.
+@item dumpgraph
+Dump graph to stderr.
+
@end table
@subsection Examples
@@ -879,6 +976,19 @@ ffmpeg -f oss -i /dev/dsp /tmp/oss.wav
For more information about OSS see:
@url{http://manuals.opensound.com/usersguide/dsp.html}
+@subsection Options
+
+@table @option
+
+@item sample_rate
+Set the sample rate in Hz. Default is 48000.
+
+@item channels
+Set the number of channels. Default is 2.
+
+@end table
+
+
@section pulse
PulseAudio input device.
@@ -919,6 +1029,10 @@ Specify the number of bytes per frame, by default it is set to 1024.
@item fragment_size
Specify the minimal buffering fragment in PulseAudio, it will affect the
audio latency. By default it is unset.
+
+@item wallclock
+Set the initial PTS using the current time. Default is 1.
+
@end table
@subsection Examples
@@ -954,6 +1068,22 @@ ffmpeg -f qtkit -i "default" out.mpg
ffmpeg -f qtkit -list_devices true -i ""
@end example
+@subsection Options
+
+@table @option
+
+@item frame_rate
+Set frame rate. Default is 30.
+
+@item list_devices
+If set to @code{true}, print a list of devices and exit. Default is
+@code{false}.
+
+@item video_device_index
+Select the video device by index for devices with the same name (starts at 0).
+
+@end table
+
@section sndio
sndio input device.
@@ -971,6 +1101,18 @@ command:
ffmpeg -f sndio -i /dev/audio0 /tmp/oss.wav
@end example
+@subsection Options
+
+@table @option
+
+@item sample_rate
+Set the sample rate in Hz. Default is 48000.
+
+@item channels
+Set the number of channels. Default is 2.
+
+@end table
+
@section video4linux2, v4l2
Video4Linux2 input video device.
@@ -1093,6 +1235,10 @@ Force conversion from monotonic to absolute timestamps.
@end table
Default value is @code{default}.
+
+@item use_libv4l2
+Use libv4l2 (v4l-utils) conversion functions. Default is 0.
+
@end table
@section vfwcap
@@ -1103,6 +1249,19 @@ The filename passed as input is the capture driver number, ranging from
0 to 9. You may use "list" as filename to print a list of drivers. Any
other filename will be interpreted as device number 0.
+@subsection Options
+
+@table @option
+
+@item video_size
+Set the video frame size.
+
+@item framerate
+Set the grabbing frame rate. Default value is @code{ntsc},
+corresponding to a frame rate of @code{30000/1001}.
+
+@end table
+
@section x11grab
X11 video input device.