Structure command line options help
It will allow to correctly print the help for the current terminal size (even if for now it is hardcoded to 80 columns).
This commit is contained in:
Romain Vimont
parent
9ec3406568
commit
f59e9e3cb0
639
app/src/cli.c
639
app/src/cli.c
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@ -8,244 +8,419 @@
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#include "options.h"
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#include "util/log.h"
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#include "util/strbuf.h"
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#include "util/str_util.h"
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#define STR_IMPL_(x) #x
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#define STR(x) STR_IMPL_(x)
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struct sc_option {
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char shortopt;
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const char *longopt;
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// no argument: argdesc == NULL && !optional_arg
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// optional argument: argdesc != NULL && optional_arg
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// required argument: argdesc != NULL && !optional_arg
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const char *argdesc;
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bool optional_arg;
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const char *text;
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};
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static const struct sc_option options[] = {
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{
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.longopt = "always-on-top",
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.text = "Make scrcpy window always on top (above other windows).",
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},
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{
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.shortopt = 'b',
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.longopt = "bit-rate",
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.argdesc = "value",
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.text = "Encode the video at the gitven bit-rate, expressed in bits/s. "
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"Unit suffixes are supported: 'K' (x1000) and 'M' (x1000000).\n"
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"Default is " STR(DEFAULT_BIT_RATE) ".",
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},
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{
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.longopt = "codec-options",
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.argdesc = "key[:type]=value[,...]",
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.text = "Set a list of comma-separated key:type=value options for the "
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"device encoder.\n"
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"The possible values for 'type' are 'int' (default), 'long', "
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"'float' and 'string'.\n"
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"The list of possible codec options is available in the "
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"Android documentation: "
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"<https://d.android.com/reference/android/media/MediaFormat>",
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},
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{
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.longopt = "crop",
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.argdesc = "width:height:x:y",
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.text = "Crop the device screen on the server.\n"
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"The values are expressed in the device natural orientation "
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"(typically, portrait for a phone, landscape for a tablet). "
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"Any --max-size value is cmoputed on the cropped size.",
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},
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{
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.longopt = "disable-screensaver",
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.text = "Disable screensaver while scrcpy is running.",
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},
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{
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.longopt = "display",
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.argdesc = "id",
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.text = "Specify the display id to mirror.\n"
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"The list of possible display ids can be listed by:\n"
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" adb shell dumpsys display\n"
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"(search \"mDisplayId=\" in the output)\n"
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"Default is 0.",
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},
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{
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.longopt = "display-buffer",
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.argdesc = "ms",
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.text = "Add a buffering delay (in milliseconds) before displaying. "
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"This increases latency to compensate for jitter.\n"
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"Default is 0 (no buffering).",
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},
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{
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.longopt = "encoder",
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.argdesc = "name",
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.text = "Use a specific MediaCodec encoder (must be a H.264 encoder).",
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},
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{
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.longopt = "force-adb-forward",
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.text = "Do not attempt to use \"adb reverse\" to connect to the "
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"device.",
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},
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{
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.longopt = "forward-all-clicks",
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.text = "By default, right-click triggers BACK (or POWER on) and "
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"middle-click triggers HOME. This option disables these "
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"shortcuts and forwards the clicks to the device instead.",
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},
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{
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.shortopt = 'f',
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.longopt = "fullscreen",
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.text = "Start in fullscreen.",
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},
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{
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.shortopt = 'K',
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.longopt = "hid-keyboard",
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.text = "Simulate a physical keyboard by using HID over AOAv2.\n"
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"It provides a better experience for IME users, and allows to "
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"generate non-ASCII characters, contrary to the default "
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"injection method.\n"
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"It may only work over USB, and is currently only supported "
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"on Linux.",
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},
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{
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.shortopt = 'h',
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.longopt = "help",
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.text = "Print this help.",
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},
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{
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.longopt = "legacy-paste",
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.text = "Inject computer clipboard text as a sequence of key events "
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"on Ctrl+v (like MOD+Shift+v).\n"
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"This is a workaround for some devices not behaving as "
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"expected when setting the device clipboard programmatically.",
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},
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{
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.longopt = "lock-video-orientation",
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.argdesc = "value",
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.optional_arg = true,
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.text = "Lock video orientation to value.\n"
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"Possible values are \"unlocked\", \"initial\" (locked to the "
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"initial orientation), 0, 1, 2 and 3. Natural device "
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"orientation is 0, and each increment adds a 90 degrees "
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"rotation counterclockwise.\n"
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"Default is \"unlocked\".\n"
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"Passing the option without argument is equivalent to passing "
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"\"initial\".",
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},
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{
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.longopt = "max-fps",
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.argdesc = "value",
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.text = "Limit the frame rate of screen capture (officially supported "
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"since Android 10, but may work on earlier versions).",
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},
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{
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.shortopt = 'm',
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.longopt = "max-size",
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.argdesc = "value",
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.text = "Limit both the width and height of the video to value. The "
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"other dimension is computed so that the device aspect-ratio "
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"is preserved.\n"
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"Default is 0 (unlimited).",
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},
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{
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.shortopt = 'n',
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.longopt = "no-control",
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.text = "Disable device control (mirror the device in read-only).",
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},
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{
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.shortopt = 'N',
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.longopt = "no-display",
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.text = "Do not display device (only when screen recording "
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#ifdef HAVE_V4L2
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"or V4L2 sink "
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#endif
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"is enabled).",
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},
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{
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.longopt = "no-key-repeat",
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.text = "Do not forward repeated key events when a key is held down.",
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},
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{
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.longopt = "no-mipmaps",
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.text = "If the renderer is OpenGL 3.0+ or OpenGL ES 2.0+, then "
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"mipmaps are automatically generated to improve downscaling "
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"quality. This option disables the generation of mipmaps.",
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},
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{
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.shortopt = 'p',
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.longopt = "port",
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.argdesc = "port[:port]",
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.text = "Set the TCP port (range) used by the client to listen.\n"
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"Default is " STR(DEFAULT_LOCAL_PORT_RANGE_FIRST) ":"
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STR(DEFAULT_LOCAL_PORT_RANGE_LAST) ".",
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},
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{
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.longopt = "power-off-on-close",
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.text = "Turn the device screen off when closing scrcpy.",
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},
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{
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.longopt = "prefer-text",
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.text = "Inject alpha characters and space as text events instead of"
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"key events.\n"
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"This avoids issues when combining multiple keys to enter a "
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"special character, but breaks the expected behavior of alpha "
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"keys in games (typically WASD).",
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},
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{
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.longopt = "push-target",
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.argdesc = "path",
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.text = "Set the target directory for pushing files to the device by "
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"drag & drop. It is passed as is to \"adb push\".\n"
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"Default is \"/sdcard/Download/\".",
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},
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{
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.shortopt = 'r',
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.longopt = "record",
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.argdesc = "file.mp4",
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.text = "Record screen to file.\n"
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"The format is determined by the --record-format option if "
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"set, or by the file extension (.mp4 or .mkv).",
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},
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{
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.longopt = "record-format",
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.argdesc = "format",
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.text = "Force recording format (either mp4 or mkv).",
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},
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{
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.longopt = "render-driver",
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.argdesc = "name",
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.text = "Request SDL to use the given render driver (this is just a "
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"hint).\n"
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"Supported names are currently \"direct3d\", \"opengl\", "
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"\"opengles2\", \"opengles\", \"metal\" and \"software\".\n"
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"<https://wiki.libsdl.org/SDL_HINT_RENDER_DRIVER>",
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},
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{
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.longopt = "rotation",
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.argdesc = "value",
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.text = "Set the initial display rotation.\n"
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"Possible values are 0, 1, 2 and 3. Each increment adds a 90 "
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"degrees rotation counterclockwise.",
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},
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{
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.shortopt = 's',
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.longopt = "serial",
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.argdesc = "serial",
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.text = "The device serial number. Mandatory only if several devices "
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"are connected to adb.",
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},
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{
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.longopt = "shortcut-mod",
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.argdesc = "key[+...][,...]",
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.text = "Specify the modifiers to use for scrcpy shortcuts.\n"
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"Possible keys are \"lctrl\", \"rctrl\", \"lalt\", \"ralt\", "
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"\"lsuper\" and \"rsuper\".\n"
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"A shortcut can consist in several keys, separated by '+'. "
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"Several shortcuts can be specified, separated by ','.\n"
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"For example, to use either LCtrl+LAlt or LSuper for scrcpy "
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"shortcuts, pass \"lctrl+lalt,lsuper\".\n"
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"Default is \"lalt,lsuper\" (left-Alt or left-Super).",
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},
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{
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.shortopt = 'S',
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.longopt = "turn-screen-off",
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.text = "Turn the device screen off immediately.",
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},
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{
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.shortopt = 't',
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.longopt = "show-touches",
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.text = "Enable \"show touches\" on start, restore the initial value "
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"on exit.\n"
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"It only shows physical touches (not clicks from scrcpy).",
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},
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#ifdef HAVE_V4L2
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{
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.longopt = "v4l2-sink",
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.argdesc = "/dev/videoN",
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.text = "Output to v4l2loopback device.\n"
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"It requires to lock the video orientation (see "
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"--lock-video-orientation).",
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},
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{
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.longopt = "v4l2-buffer",
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.argdesc = "ms",
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.text = "Add a buffering delay (in milliseconds) before pushing "
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"frames. This increases latency to compensate for jitter.\n"
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"This option is similar to --display-buffer, but specific to "
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"V4L2 sink.\n"
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"Default is 0 (no buffering).",
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},
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#endif
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{
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.shortopt = 'V',
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.longopt = "verbosity",
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.argdesc = "value",
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.text = "Set the log level (verbose, debug, info, warn or error).\n"
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#ifndef NDEBUG
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"Default is debug.",
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#else
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"Default is info.",
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#endif
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},
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{
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.shortopt = 'v',
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.longopt = "version",
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.text = "Print the version of scrcpy.",
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},
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{
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.shortopt = 'w',
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.longopt = "stay-awake",
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.text = "Keep the device on while scrcpy is running, when the device "
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"is plugged in.",
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},
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{
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.longopt = "window-borderless",
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.text = "Disable window decorations (display borderless window)."
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},
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{
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.longopt = "window-title",
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.argdesc = "text",
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.text = "Set a custom window title.",
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},
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{
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.longopt = "window-x",
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.argdesc = "value",
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.text = "Set the initial window horizontal position.\n"
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"Default is \"auto\".",
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},
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{
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.longopt = "window-y",
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.argdesc = "value",
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.text = "Set the initial window vertical position.\n"
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"Default is \"auto\".",
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},
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{
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.longopt = "window-width",
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.argdesc = "value",
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.text = "Set the initial window width.\n"
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"Default is 0 (automatic).",
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},
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{
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.longopt = "window-height",
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.argdesc = "value",
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.text = "Set the initial window height.\n"
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"Default is 0 (automatic).",
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},
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};
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static void
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print_option_usage_header(const struct sc_option *opt) {
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struct sc_strbuf buf;
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if (!sc_strbuf_init(&buf, 64)) {
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goto error;
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}
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bool ok = true;
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(void) ok; // only used for assertions
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if (opt->shortopt) {
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ok = sc_strbuf_append_char(&buf, '-');
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assert(ok);
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ok = sc_strbuf_append_char(&buf, opt->shortopt);
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assert(ok);
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if (opt->longopt) {
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ok = sc_strbuf_append_staticstr(&buf, ", ");
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assert(ok);
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}
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}
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if (opt->longopt) {
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ok = sc_strbuf_append_staticstr(&buf, "--");
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assert(ok);
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if (!sc_strbuf_append_str(&buf, opt->longopt)) {
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goto error;
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}
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}
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if (opt->argdesc) {
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if (opt->optional_arg && !sc_strbuf_append_char(&buf, '[')) {
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goto error;
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}
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if (!sc_strbuf_append_char(&buf, '=')) {
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goto error;
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}
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if (!sc_strbuf_append_str(&buf, opt->argdesc)) {
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goto error;
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}
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if (opt->optional_arg && !sc_strbuf_append_char(&buf, ']')) {
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goto error;
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}
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}
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fprintf(stderr, "\n %s\n", buf.s);
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free(buf.s);
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return;
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error:
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fprintf(stderr, "<ERROR>\n");
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}
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static void
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print_option_usage(const struct sc_option *opt, unsigned cols) {
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assert(cols > 8); // sc_str_wrap_lines() requires indent < columns
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assert(opt->text);
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print_option_usage_header(opt);
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char *text = sc_str_wrap_lines(opt->text, cols, 8);
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if (!text) {
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fprintf(stderr, "<ERROR>\n");
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return;
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}
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fprintf(stderr, "%s\n", text);
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free(text);
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}
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void
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scrcpy_print_usage(const char *arg0) {
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fprintf(stderr,
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"Usage: %s [options]\n"
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"\n"
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"Options:\n"
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"\n"
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" --always-on-top\n"
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" Make scrcpy window always on top (above other windows).\n"
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"\n"
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" -b, --bit-rate value\n"
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" Encode the video at the given bit-rate, expressed in bits/s.\n"
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" Unit suffixes are supported: 'K' (x1000) and 'M' (x1000000).\n"
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" Default is " STR(DEFAULT_BIT_RATE) ".\n"
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"\n"
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" --codec-options key[:type]=value[,...]\n"
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" Set a list of comma-separated key:type=value options for the\n"
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" device encoder.\n"
|
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" The possible values for 'type' are 'int' (default), 'long',\n"
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" 'float' and 'string'.\n"
|
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" The list of possible codec options is available in the\n"
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" Android documentation:\n"
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" <https://d.android.com/reference/android/media/MediaFormat>\n"
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"\n"
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" --crop width:height:x:y\n"
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" Crop the device screen on the server.\n"
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" The values are expressed in the device natural orientation\n"
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" (typically, portrait for a phone, landscape for a tablet).\n"
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" Any --max-size value is computed on the cropped size.\n"
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"\n"
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" --disable-screensaver\n"
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" Disable screensaver while scrcpy is running.\n"
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"\n"
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" --display id\n"
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" Specify the display id to mirror.\n"
|
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"\n"
|
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" The list of possible display ids can be listed by:\n"
|
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" adb shell dumpsys display\n"
|
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" (search \"mDisplayId=\" in the output)\n"
|
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"\n"
|
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" Default is 0.\n"
|
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"\n"
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" --display-buffer ms\n"
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" Add a buffering delay (in milliseconds) before displaying.\n"
|
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" This increases latency to compensate for jitter.\n"
|
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"\n"
|
||||
" Default is 0 (no buffering).\n"
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"\n"
|
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" --encoder name\n"
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" Use a specific MediaCodec encoder (must be a H.264 encoder).\n"
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"\n"
|
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" --force-adb-forward\n"
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" Do not attempt to use \"adb reverse\" to connect to the\n"
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" device.\n"
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"\n"
|
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" --forward-all-clicks\n"
|
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" By default, right-click triggers BACK (or POWER on) and\n"
|
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" middle-click triggers HOME. This option disables these\n"
|
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" shortcuts and forwards the clicks to the device instead.\n"
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"\n"
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" -f, --fullscreen\n"
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" Start in fullscreen.\n"
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"\n"
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" -K, --hid-keyboard\n"
|
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" Simulate a physical keyboard by using HID over AOAv2.\n"
|
||||
" It provides a better experience for IME users, and allows to\n"
|
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" generate non-ASCII characters, contrary to the default\n"
|
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" injection method.\n"
|
||||
" It may only work over USB, and is currently only supported\n"
|
||||
" on Linux.\n"
|
||||
"\n"
|
||||
" -h, --help\n"
|
||||
" Print this help.\n"
|
||||
"\n"
|
||||
" --legacy-paste\n"
|
||||
" Inject computer clipboard text as a sequence of key events\n"
|
||||
" on Ctrl+v (like MOD+Shift+v).\n"
|
||||
" This is a workaround for some devices not behaving as\n"
|
||||
" expected when setting the device clipboard programmatically.\n"
|
||||
"\n"
|
||||
" --lock-video-orientation[=value]\n"
|
||||
" Lock video orientation to value.\n"
|
||||
" Possible values are \"unlocked\", \"initial\" (locked to the\n"
|
||||
" initial orientation), 0, 1, 2 and 3.\n"
|
||||
" Natural device orientation is 0, and each increment adds a\n"
|
||||
" 90 degrees rotation counterclockwise.\n"
|
||||
" Default is \"unlocked\".\n"
|
||||
" Passing the option without argument is equivalent to passing\n"
|
||||
" \"initial\".\n"
|
||||
"\n"
|
||||
" --max-fps value\n"
|
||||
" Limit the frame rate of screen capture (officially supported\n"
|
||||
" since Android 10, but may work on earlier versions).\n"
|
||||
"\n"
|
||||
" -m, --max-size value\n"
|
||||
" Limit both the width and height of the video to value. The\n"
|
||||
" other dimension is computed so that the device aspect-ratio\n"
|
||||
" is preserved.\n"
|
||||
" Default is 0 (unlimited).\n"
|
||||
"\n"
|
||||
" -n, --no-control\n"
|
||||
" Disable device control (mirror the device in read-only).\n"
|
||||
"\n"
|
||||
" -N, --no-display\n"
|
||||
" Do not display device (only when screen recording is\n"
|
||||
" enabled).\n"
|
||||
"\n"
|
||||
" --no-key-repeat\n"
|
||||
" Do not forward repeated key events when a key is held down.\n"
|
||||
"\n"
|
||||
" --no-mipmaps\n"
|
||||
" If the renderer is OpenGL 3.0+ or OpenGL ES 2.0+, then\n"
|
||||
" mipmaps are automatically generated to improve downscaling\n"
|
||||
" quality. This option disables the generation of mipmaps.\n"
|
||||
"\n"
|
||||
" -p, --port port[:port]\n"
|
||||
" Set the TCP port (range) used by the client to listen.\n"
|
||||
" Default is " STR(DEFAULT_LOCAL_PORT_RANGE_FIRST) ":"
|
||||
STR(DEFAULT_LOCAL_PORT_RANGE_LAST) ".\n"
|
||||
"\n"
|
||||
" --power-off-on-close\n"
|
||||
" Turn the device screen off when closing scrcpy.\n"
|
||||
"\n"
|
||||
" --prefer-text\n"
|
||||
" Inject alpha characters and space as text events instead of\n"
|
||||
" key events.\n"
|
||||
" This avoids issues when combining multiple keys to enter a\n"
|
||||
" special character, but breaks the expected behavior of alpha\n"
|
||||
" keys in games (typically WASD).\n"
|
||||
"\n"
|
||||
" --push-target path\n"
|
||||
" Set the target directory for pushing files to the device by\n"
|
||||
" drag & drop. It is passed as is to \"adb push\".\n"
|
||||
" Default is \"/sdcard/Download/\".\n"
|
||||
"\n"
|
||||
" -r, --record file.mp4\n"
|
||||
" Record screen to file.\n"
|
||||
" The format is determined by the --record-format option if\n"
|
||||
" set, or by the file extension (.mp4 or .mkv).\n"
|
||||
"\n"
|
||||
" --record-format format\n"
|
||||
" Force recording format (either mp4 or mkv).\n"
|
||||
"\n"
|
||||
" --render-driver name\n"
|
||||
" Request SDL to use the given render driver (this is just a\n"
|
||||
" hint).\n"
|
||||
" Supported names are currently \"direct3d\", \"opengl\",\n"
|
||||
" \"opengles2\", \"opengles\", \"metal\" and \"software\".\n"
|
||||
" <https://wiki.libsdl.org/SDL_HINT_RENDER_DRIVER>\n"
|
||||
"\n"
|
||||
" --rotation value\n"
|
||||
" Set the initial display rotation.\n"
|
||||
" Possible values are 0, 1, 2 and 3. Each increment adds a 90\n"
|
||||
" degrees rotation counterclockwise.\n"
|
||||
"\n"
|
||||
" -s, --serial serial\n"
|
||||
" The device serial number. Mandatory only if several devices\n"
|
||||
" are connected to adb.\n"
|
||||
"\n"
|
||||
" --shortcut-mod key[+...][,...]\n"
|
||||
" Specify the modifiers to use for scrcpy shortcuts.\n"
|
||||
" Possible keys are \"lctrl\", \"rctrl\", \"lalt\", \"ralt\",\n"
|
||||
" \"lsuper\" and \"rsuper\".\n"
|
||||
"\n"
|
||||
" A shortcut can consist in several keys, separated by '+'.\n"
|
||||
" Several shortcuts can be specified, separated by ','.\n"
|
||||
"\n"
|
||||
" For example, to use either LCtrl+LAlt or LSuper for scrcpy\n"
|
||||
" shortcuts, pass \"lctrl+lalt,lsuper\".\n"
|
||||
"\n"
|
||||
" Default is \"lalt,lsuper\" (left-Alt or left-Super).\n"
|
||||
"\n"
|
||||
" -S, --turn-screen-off\n"
|
||||
" Turn the device screen off immediately.\n"
|
||||
"\n"
|
||||
" -t, --show-touches\n"
|
||||
" Enable \"show touches\" on start, restore the initial value\n"
|
||||
" on exit.\n"
|
||||
" It only shows physical touches (not clicks from scrcpy).\n"
|
||||
"\n"
|
||||
#ifdef HAVE_V4L2
|
||||
" --v4l2-sink /dev/videoN\n"
|
||||
" Output to v4l2loopback device.\n"
|
||||
" It requires to lock the video orientation (see\n"
|
||||
" --lock-video-orientation).\n"
|
||||
"\n"
|
||||
" --v4l2-buffer ms\n"
|
||||
" Add a buffering delay (in milliseconds) before pushing\n"
|
||||
" frames. This increases latency to compensate for jitter.\n"
|
||||
"\n"
|
||||
" This option is similar to --display-buffer, but specific to\n"
|
||||
" V4L2 sink.\n"
|
||||
"\n"
|
||||
" Default is 0 (no buffering).\n"
|
||||
"\n"
|
||||
#endif
|
||||
" -V, --verbosity value\n"
|
||||
" Set the log level (verbose, debug, info, warn or error).\n"
|
||||
#ifndef NDEBUG
|
||||
" Default is debug.\n"
|
||||
#else
|
||||
" Default is info.\n"
|
||||
#endif
|
||||
"\n"
|
||||
" -v, --version\n"
|
||||
" Print the version of scrcpy.\n"
|
||||
"\n"
|
||||
" -w, --stay-awake\n"
|
||||
" Keep the device on while scrcpy is running, when the device\n"
|
||||
" is plugged in.\n"
|
||||
"\n"
|
||||
" --window-borderless\n"
|
||||
" Disable window decorations (display borderless window).\n"
|
||||
"\n"
|
||||
" --window-title text\n"
|
||||
" Set a custom window title.\n"
|
||||
"\n"
|
||||
" --window-x value\n"
|
||||
" Set the initial window horizontal position.\n"
|
||||
" Default is \"auto\".\n"
|
||||
"\n"
|
||||
" --window-y value\n"
|
||||
" Set the initial window vertical position.\n"
|
||||
" Default is \"auto\".\n"
|
||||
"\n"
|
||||
" --window-width value\n"
|
||||
" Set the initial window width.\n"
|
||||
" Default is 0 (automatic).\n"
|
||||
"\n"
|
||||
" --window-height value\n"
|
||||
" Set the initial window height.\n"
|
||||
" Default is 0 (automatic).\n"
|
||||
"\n"
|
||||
const unsigned cols = 80; // For now, use a hardcoded value
|
||||
|
||||
fprintf(stderr, "Usage: %s [options]\n\n"
|
||||
"Options:\n", arg0);
|
||||
for (size_t i = 0; i < ARRAY_LEN(options); ++i) {
|
||||
print_option_usage(&options[i], cols);
|
||||
}
|
||||
|
||||
// Print shortcuts section
|
||||
fprintf(stderr, "\n"
|
||||
"Shortcuts:\n"
|
||||
"\n"
|
||||
" In the following list, MOD is the shortcut modifier. By default,\n"
|
||||
|
|
@ -334,7 +509,7 @@ scrcpy_print_usage(const char *arg0) {
|
|||
"\n"
|
||||
" Drag & drop non-APK file\n"
|
||||
" Push file to device (see --push-target)\n"
|
||||
"\n", arg0);
|
||||
"\n");
|
||||
}
|
||||
|
||||
static bool
|
||||
|
|
|
|||
Loading…
Reference in New Issue