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add "-nc no" to unset nc option (for macOS, where -nc is default)

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F. Duncanh
2025-05-21 10:59:28 -04:00
parent ffa0c61d5e
commit 878ccf2400
5 changed files with 53 additions and 52 deletions
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27
README.html
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@@ -841,23 +841,18 @@ another error (about videometa) that shows up in the GStreamer warnings.
“<code>-vsync no</code>”</strong> (you can add a line “vsync no” in the
uxplayrc configuration file).</p></li>
<li><p>On macOS with this installation of GStreamer, the only videosinks
available seem to be glimagesink (default choice made by autovideosink)
and osxvideosink. The window title does not show the Airplay server
name, but the window is visible to screen-sharing apps (e.g., Zoom). The
only available audiosink seems to be osxaudiosink.</p></li>
<li><p>The option -nc is always used, whether or not it is selected.
This is a workaround for a problem with GStreamer videosinks on macOS:
if the GStreamer pipeline is destroyed while the mirror window is still
open, a segfault occurs.</p></li>
<li><p>In the case of glimagesink, the resolution settings “-s wxh” do
available are glimagesink (default choice made by autovideosink) and
osxvideosink. The window title does not show the Airplay server name,
but the window can be shared on Zoom. Because of issues with
glimagesink, you may find osxvideosink works better. The only available
audiosink is osxaudiosink.</p></li>
<li><p>The option -nc is currently used by default om macOS, This is a
workaround for window-closing problems with GStreamer videosinks on
macOS. In anticipation of fixes, this option can be canceled with “-nc
no”, if not needed.</p></li>
<li><p>In the case of glimagesink, the resolution settings “-s wxh” may
not affect the (small) initial OpenGL mirror window size, but the window
can be expanded using the mouse or trackpad. In contrast, a window
created with “-vs osxvideosink” is initially big, but has the wrong
aspect ratio (stretched image); in this case the aspect ratio changes
when the window width is changed by dragging its side; the option
<code>-vs "osxvideosink force-aspect-ratio=true"</code> can be used to
make the window have the correct aspect ratio when it first
opens.</p></li>
can be expanded using the mouse or trackpad.</p></li>
</ul>
<h2
id="building-uxplay-on-microsoft-windows-using-msys2-with-the-mingw-64-compiler.">Building

26
README.md
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@@ -834,25 +834,21 @@ downloads, "UxPlay" for "git clone" downloads) and build/install with
the uxplayrc configuration file).
- On macOS with this installation of GStreamer, the only videosinks
available seem to be glimagesink (default choice made by
autovideosink) and osxvideosink. The window title does not show the
Airplay server name, but the window is visible to screen-sharing
apps (e.g., Zoom). The only available audiosink seems to be
available are glimagesink (default choice made by
autovideosink) and osxvideosink.
The window title does not show the
Airplay server name, but the window can be shared on Zoom.
Because of issues with glimagesink, you may find
osxvideosink works better. The only available audiosink is
osxaudiosink.
- The option -nc is always used, whether or not it is selected. This
is a workaround for a problem with GStreamer videosinks on macOS: if
the GStreamer pipeline is destroyed while the mirror window is still
open, a segfault occurs.
- The option -nc is currently used by default om macOS, This
is a workaround for window-closing problems with GStreamer videosinks on macOS.
In anticipation of fixes, this option can be canceled with "-nc no", if not needed.
- In the case of glimagesink, the resolution settings "-s wxh" do not
- In the case of glimagesink, the resolution settings "-s wxh" may not
affect the (small) initial OpenGL mirror window size, but the window
can be expanded using the mouse or trackpad. In contrast, a window
created with "-vs osxvideosink" is initially big, but has the wrong
aspect ratio (stretched image); in this case the aspect ratio
changes when the window width is changed by dragging its side; the
option `-vs "osxvideosink force-aspect-ratio=true"` can be used to
make the window have the correct aspect ratio when it first opens.
can be expanded using the mouse or trackpad.
## Building UxPlay on Microsoft Windows, using MSYS2 with the MinGW-64 compiler.

27
README.txt
View File

@@ -850,25 +850,20 @@ downloads, "UxPlay" for "git clone" downloads) and build/install with
the uxplayrc configuration file).
- On macOS with this installation of GStreamer, the only videosinks
available seem to be glimagesink (default choice made by
autovideosink) and osxvideosink. The window title does not show the
Airplay server name, but the window is visible to screen-sharing
apps (e.g., Zoom). The only available audiosink seems to be
osxaudiosink.
available are glimagesink (default choice made by autovideosink) and
osxvideosink. The window title does not show the Airplay server
name, but the window can be shared on Zoom. Because of issues with
glimagesink, you may find osxvideosink works better. The only
available audiosink is osxaudiosink.
- The option -nc is always used, whether or not it is selected. This
is a workaround for a problem with GStreamer videosinks on macOS: if
the GStreamer pipeline is destroyed while the mirror window is still
open, a segfault occurs.
- The option -nc is currently used by default om macOS, This is a
workaround for window-closing problems with GStreamer videosinks on
macOS. In anticipation of fixes, this option can be canceled with
"-nc no", if not needed.
- In the case of glimagesink, the resolution settings "-s wxh" do not
- In the case of glimagesink, the resolution settings "-s wxh" may not
affect the (small) initial OpenGL mirror window size, but the window
can be expanded using the mouse or trackpad. In contrast, a window
created with "-vs osxvideosink" is initially big, but has the wrong
aspect ratio (stretched image); in this case the aspect ratio
changes when the window width is changed by dragging its side; the
option `-vs "osxvideosink force-aspect-ratio=true"` can be used to
make the window have the correct aspect ratio when it first opens.
can be expanded using the mouse or trackpad.
## Building UxPlay on Microsoft Windows, using MSYS2 with the MinGW-64 compiler.

4
uxplay.1
View File

@@ -123,7 +123,9 @@ UxPlay 1.72: An open\-source AirPlay mirroring (+ audio streaming) server:
.TP
\fB\-nofreeze\fR Do NOT leave frozen screen in place after reset.
.TP
\fB\-nc\fR Do NOT close video window when client stops mirroring
\fB\-nc\fR Do NOT close video window when client stops mirroring.
.TP
\fB\-nc\fR no Cancel the -nc option (DO close video window).
.TP
\fB\-nohold\fR Drop current connection when new client connects.
.TP

21
uxplay.cpp
View File

@@ -103,7 +103,11 @@ static unsigned char compression_type = 0;
static std::string audiosink = "autoaudiosink";
static int audiodelay = -1;
static bool use_audio = true;
#if __APPLE__
static bool new_window_closing_behavior = false;
#else
static bool new_window_closing_behavior = true;
#endif
static bool close_window;
static std::string video_parser = "h264parse";
static std::string video_decoder = "decodebin";
@@ -714,7 +718,8 @@ static void print_info (char *name) {
printf("-md <fn> In Airplay Audio (ALAC) mode, write metadata text to file <fn>\n");
printf("-reset n Reset after n seconds of client silence (default n=%d, 0=never)\n", MISSED_FEEDBACK_LIMIT);
printf("-nofreeze Do NOT leave frozen screen in place after reset\n");
printf("-nc Do NOT Close video window when client stops mirroring\n");
printf("-nc Do NOT Close video window when client stops mirroring\n");
printf("-nc no Cancel the -nc option (DO close video window) \n");
printf("-nohold Drop current connection when new client connects.\n");
printf("-restrict Restrict clients to those specified by \"-allow <deviceID>\"\n");
printf(" UxPlay displays deviceID when a client attempts to connect\n");
@@ -1063,6 +1068,13 @@ static void parse_arguments (int argc, char *argv[]) {
exit(1);
} else if (arg == "-nc") {
new_window_closing_behavior = false;
if (i < argc - 1) {
if (strlen(argv[i+1]) == 2 && strncmp(argv[i+1], "no", 2) == 0) {
new_window_closing_behavior = true;
i++;
continue;
}
}
} else if (arg == "-avdec") {
video_parser.erase();
video_parser = "h264parse";
@@ -2376,9 +2388,10 @@ int main (int argc, char *argv[]) {
}
#if __APPLE__
/* force use of -nc option on macOS */
LOGI("macOS detected: using -nc option as workaround for GStreamer problem");
new_window_closing_behavior = false;
/* warn about default use of -nc option on macOS */
if (!new_window_closing_behavior) {
LOGI("UxPlay on macOS is using -nc option as workaround for GStreamer problem: use \"-nc no\" to omit workaround");
}
#endif
#ifdef _WIN32