| Commit message (Collapse) | Author | Age |
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This was marked GPL, because the implementation in command.c (which is
shared with the subtitle code) was marked as GPL. This has been changed,
so this is unnecessary. The original commands for external audio tracks
have been added to mpv by someone who agreed with the relicensing.
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There has been no new developments or agreements, but I was uncertain
about the copyright status of them. Thus this part of code was marked as
being potentially GPL, and was not built in LGPL mode. Now I've taken a
close look again, and decided that these can be relicensed using the
existing relicensing agreements.
OSD level 3 was introduced in commit 8d190244, with the author being
unreachable. As I decided in commit 6ddd95fd, OSD level 3 itself can
be kept, but the "osd" command had to go, and the "rendering" of OSD
level 3 (the HAVE_GPL code in osd.c) was uncertain. But the code for
this was rewritten: instead of duplicating the time/percent formatting
code, it was changed to use common code, and some weird extra logic was
removed. The code inside of the "if" is exactly the same as the code
that formats the OSD status line (covered by LGPL relicensing).
The current commands for adding/removing sub/audio tracks more or less
originated from commit 2f376d1b39, with the author being unreachable.
But the original code was very different, mostly due to MPlayer's
incredibly messy handling of subtitles in general. Nothing of this
remains in the current code. Even the command declarations were
rewritten. The commands (as seen from the user side) are rather similar
in naming and semantics, but we don't consider this copyrightable. So it
doesn't look like anything copyrightable is left.
The add/cycle commands were more or less based on step_property,
introduced in commit 7a71da01d6, with the patch author disagreeing with
the LGPL relicensing. But all code original to the patch has been
replaced in later mpv changes, and the original code was mostly copied
from MP_CMD_SET_PROPERTY anyway. The underlying property interface was
completely changed, the error handling was redone, and all of this is
very similar to the changes that were done on SET_PROPERTY. The command
declarations are completely different in the first place, because the
semantic change from step to add/cycle. The commit also seems to have
been co-authored by reimar to some degree. He also had the idea to
change the original patch from making the command modify a specific
property to making it generic.
(The error message line, especially with its %g formatting, might
contain some level of originality, so change that just to be sure.
This commit Copies and adapts the error message for SET_PROPERTY.)
Although I'm a bit on the fence with all the above things, it really
doesn't look like there's anything substantial that would cause issues.
I thus claim that there is no problem with changing the license to LGPL
for the above things. It's probably still slightly below the standard
that was usually applied in the code relicensing in mpv, but probably
still far above to the usual in open source relicensing (and above
commercial standards as well, if you look what certain tech giants do).
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See "Copyright" file for caveats.
This changes the remaining "almost LGPL" files to LGPL, because we think
that the conditions the author set for these was finally fulfilled.
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Whoops.
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Mouse wheel bindings have always been a cause of user confusion.
Previously, on Wayland and macOS, precise touchpads would generate AXIS
keycodes and notched mouse wheels would generate mouse button keycodes.
On Windows, both types of device would generate AXIS keycodes and on
X11, both types of device would generate mouse button keycodes. This
made it pretty difficult for users to modify their mouse-wheel bindings,
since it differed between platforms and in some cases, between devices.
To make it more confusing, the keycodes used on Windows were changed in
18a45a42d524 without a deprecation period or adequate communication to
users.
This change aims to make mouse wheel binds less confusing. Both the
mouse button and AXIS keycodes are now deprecated aliases of the new
WHEEL keycodes. This will technically break input configs on Wayland and
macOS that assign different commands to precise and non-precise scroll
events, but this is probably uncommon (if anyone does it at all) and I
think it's a fair tradeoff for finally fixing mouse wheel-related
confusion on other platforms.
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mpv's mouse button numbering is based on X11 button numbering, which
allows for an arbitrary number of buttons and includes mouse wheel input
as buttons 3-6. This button numbering was used throughout the codebase
and exposed in input.conf, and it was difficult to remember which
physical button each number actually referred to and which referred to
the scroll wheel.
In practice, PC mice only have between two and five buttons and one or
two scroll wheel axes, which are more or less in the same location and
have more or less the same function. This allows us to use names to
refer to the buttons instead of numbers, which makes input.conf syntax a
lot easier to remember. It also makes the syntax robust to changes in
mpv's underlying numbering. The old MOUSE_BTNx names are still
understood as deprecated aliases of the named buttons.
This changes both the input.conf syntax and the MP_MOUSE_BTNx symbols in
the codebase, since I think both would benefit from using names over
numbers, especially since some platforms don't use X11 button numbering
and handle different mouse buttons in different windowing system events.
This also makes the names shorter, since otherwise they would be pretty
long, and it removes the high-numbered MOUSE_BTNx_DBL names, since they
weren't used.
Names are the same as used in Qt:
https://doc.qt.io/qt-5/qt.html#MouseButton-enum
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This was attempted before in fc9695e63b5b, but it was reverted in
1b7ce759b1f4 because it caused conflicts with other software watching
the same keys (See #2041.) It seems like some PCs ship with OEM software
that watches the volume keys without consuming key events and this
causes them to be handled twice, once by mpv and once by the other
software.
In order to prevent conflicts like this, use the WM_APPCOMMAND message
to handle media keys. Returning TRUE from the WM_APPCOMMAND handler
should indicate to the operating system that we consumed the key event
and it should not be propogated to the shell. Also, we now only listen
for keys that are directly related to multimedia playback (eg. the
APPCOMMAND_MEDIA_* keys.) Keys like APPCOMMAND_VOLUME_* are ignored, so
they can be handled by the shell, or by other mixer software.
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Complicated situation due to changes by GPL-only author, but also
unnecessary due to newer mechanisms.
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While this is perfectly OK on Unix, it causes annoying valgrind
warnings, and might be otherwise confusing to others.
On Windows, the runtime can actually abort the process if this is
called.
push.c part taken from a patch by Pedro Pombeiro.
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In a bunch of cases, we emulate highly platform specific APIs on a
higher level across all OSes, such as IPC, terminal, subprocess
handling, and more. We have source files for each OS, and they implement
all the same mpv internal API.
Selecting which source file to use on an OS can be tricky, because there
is partially overlapping and emulated APIs (consider Cygwin on Windows).
Add a pick_first_matching_dep() function to make this slightly easier
and more structured.
Also add dummy backends in some cases, to deal with APIs not being
available.
Clarify the Windows dependency identifiers, as these are the most
confusing.
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It was extended by "seru" in 8d190244. This person could not be reached
(or does not reply), and it's in the way of LGPL relicensing. Deprecate
it, and mark the (probably) affected parts of the code with HAVE_GPL. To
be fair, even though the osd.c parts were refactored from the original
code, there's probably no copyright by seru on it. But for now play it
save. The mere existence of a 3rd OSD level is certainly not
copyrightable, so you still can set osd-level to 3 - just that it does
nothing.
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All relevant authors have agreed. See 2e84934be7 (the mentioned person
has replied and agreed now).
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(Just to make our HAVE_GPL business explicit.)
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cehoyos adds the step_property command in 7a71da01d, and it could be
argued that copyright of this still applies to the later add/cycle
commands (a668ae0ff90c4). While I'm not sure if this is really the case,
stay conservative for now and mark these commands as GPL-only. Mark the
command.c code too, although that is not being relicensed yet.
I'm leaving the MP_CMD_* enum items, as they are obviously different.
In commit 116ca0c7682, "veal" (essentially an anonymous author) adds an
"osd_show_property_text" command (well, the commit message says "based
on" that person's code, so it's not clear how much is from him or from
albeu, who agreed to LGPL). This was later merged again with the
"osd_show_text" command, and then all original code was removed in
commit 58cc0f637f, so I claim that no copyright applies anymore. (Though
technically the input.conf addition still might be copyrighted, so I'm
just dropping it to get rid of the thought.)
"kiriuja" added 2f376d1b39 (sub_load etc.) and be54f4813 (switch_audio).
The latter is gone. I would argue that the former is fully rewritten
with commits b7052b431c9 and 0f155921b0. But like in the step_property
case, I will be overly conservative for now, and mark them as GPL-only,
as this is potentially shaky and should be thought through first. (Not
bothering with the command define/enum in the header, as it will be
unused in LGPL mode anyway.)
keycodes.c/h can be GPL, except for commit 2b1f95dcc2f8, which is a
patch by someone who wasn't asked yet. Before doing something radical, I
will wait for a reply.
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Fixes #4452.
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This adds check_property_scalable, which returns true if the property is
backed by a floating-point number. When the add or cycle commands
operate on these properties, they can benefit from the fractional scale
value in cmd->scale. When the property is not backed by a floating-point
number, cmd->scale_units is used instead, so for axis events, the
property is only incrmented when the user scrolls one full unit.
This solution isn't perfect, because in some cases integer-backed
properties could benefit from accurate scrolling. For example, if an
axis is bound to "cycle audio 5", the cycle command could be made to
change the audio track by one when the user scrolls 1/5th of a unit,
though this behaviour would require more changes to the options system.
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This adds some logic for pre-processing MP_AXIS_* events before the
corresponding input command is generated.
Firstly, the events are filtered. A lot of touchpad drivers and
operating systems don't seem to filter axis events, which makes it
difficult to use the verical axis (MP_AXIS_UP/MP_AXIS_DOWN) without
accidentally triggering commands bound to the horizontal axis
(MP_AXIS_LEFT/MP_AXIS_RIGHT) and vice-versa. To fix this, a small
deadzone is used. When one axis breaks out of the deadzone, events on
the other axis are ignored until the user stops scrolling (determined by
a timer.)
Secondly, the scale_units value is determined, which is the integer
number of "units" the user has scrolled, as opposed to scale, which is
the fractional number of units. It's determed by accumulating the
fractional scale values. If an axis is bound to a "non-scalable" command
that doesn't understand fractional units, interpret_key() will queue
that many commands, each with scale = 1.0.
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Scalable commands (seek, cycle and add) understand the cmd->scale
parameter and will "scale" their action accordingly, for example, a seek
with scale = 0.5 will only seek half the specified amount and a seek
with scale = 2.0 will seek twice as much.
Mark these commands so in the next commit, input.c will be able to
synthesize input with cmd->scale = 1 for non-scalable commands.
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MP_AXIS_* events are semantically equivalent to scroll button events
(eg. MP_MOUSE_BTN{3,4,5,6}). They depend on the mouse position.
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Fixes the issue pointed out in #4394.
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Obviously, this has no effect on commands which do not support this
explicitly. A later commit will enable this for screenshots.
Also add some wording on mpv_command_async(), which has nothing to do
with this. Having a more elegant, unified behavior would be nice. But
the API function was not created for this - it's merely for running
commands _synchronously_ on the core, but without blocking the client
API caller (if the API user consistently uses only async functions).
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for a reason i can just assume some key events can vanish from the
event chain and mpv seems unresponsive.
after quite some testing i could confirm that the events are present at
the first entry point of the event chain, the sendEvent method of the
Application, and that they vanish at a point afterwards. now we use
that entry point to grab keyDown and keyUp events. we also stop
propagating those key events to prevent the no key input' error sound.
if we ever need the key events somewhere down the event chain we need
to start propagating them again. though this is not necessary currently.
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As preparation for file prefetching, we basically have to get rid of
using mpctx->playback_abort for the main demuxer (i.e. the thing that
can be prefetched). It can't be changed on a running demuxer, and always
using the same cancel handle would either mean aborting playback would
also abort prefetching, or that playback can't be aborted anymore.
Make this more flexible with some refactoring.
Thi is a quite shitty solution if you ask me, but YOLO.
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As threatened by the API changes document.
This commit also removes or stubs equivalent calls in IPC and Lua
scripting.
The stubs are left to maintain ABI compatibility. The semantics of the
API functions have been close enough to doing nothing that this probably
won't even break existing API users. Probably.
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Fixes #3598.
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The intention is to give libmpv users as much flexibility to load
scripts as using mpv from CLI, but without restricting libmpv users from
having to decide everything on creation time, or having to go through
hacks like recreating the libmpv context to update state.
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The former was done already for Lua scripts, but move it to the generic
code.
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This will actually update all associated options (which is trivial now
with the recent changes).
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Instead of using input_ctx for waiting, use the dispatch queue directly.
One big change is that the dispatch queue will just process commands
that come in (e.g. from client API) without returning. This should
reduce unnecessary playloop excutions (which is good since the playloop
got a bit fat from rechecking a lot of conditions every iteration).
Since this doesn't force a new playloop iteration on every access, this
has to be enforced manually in some cases.
Normal input (via terminal or VO window) still wakes up the playloop
every time, though that's not too important. It makes testing this
harder, though. If there are missing wakeup calls, it will be noticed
only when using the client API in some form.
At this point we could probably use a normal lock instead of the
dispatch queue stuff.
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They're useless, and I have no idea what they're actually supposed to do
(wrt. pending input processing changes).
Also remove their implicit uses from the IPC handlers.
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This workaround prevented that libmpv users could accidentally crash
when the SIGPIPE signal was triggered by FFmpeg's OpenSSL/GnuTLS usage.
But it also modifies the global signal handler state, so remove it now
that this workaround is not required anymore.
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The standard header is stdatomic.h, so the extra "s" freaks me out every
time I look at it.
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With the recent vo_opengl changes it doesn't do anything anymore.
I don't think a deprecation period is necessary, because the command
was always marked as experimental.
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Makes a fairly common occurence with wakeup_pipes easier to handle.
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Old-style commands using _ as separator (e.g. show_progress) were still
used in some places, including documentation and configuration files.
This commit updates all such instances to the new style (show-progress)
so that commands are easier to find in the manual.
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For clang, it's enough to just put (void) around usages we are
intentionally ignoring the result of.
Since GCC does not seem to want to respect this decision, we are forced
to disable the warning globally.
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E.g. "mouse 100 100 1 double" did not actually process the double-click,
because double-click emulation is on by default. So the user would have
to send two successive clicks instead. This is probably not expected, so
disable this weird logic for artificial input.
Fixes #2899.
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The default security descriptor for named pipes in Windows allows the
pipe to be opened for read access by the Everyone group and Anonymous
account, as well as low-integrity processes (like web browser renderer
processes.) This does not allow commands to be ran, but it does allow
events to be received.
I don't think any sensitive data is exposed by events, but that may not
always be the case and Lua plugins might change this, since they can
broadcast their own events with script-message. To be safe, this commit
sets a custom security descriptor on the named pipe which only allows
access from processes running under the same user account with an
integrity level greater than or equal to the one used by mpv.
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This implements the JSON IPC protocol with named pipes, which are
probably the closest Windows equivalent to Unix domain sockets in terms
of functionality. Like with Unix sockets, this will allow mpv to listen
for IPC connections and handle multiple IPC clients at once. A few cross
platform libraries and frameworks (Qt, node.js) use named pipes for IPC
on Windows and Unix sockets on Linux and Unix, so hopefully this will
ease the creation of portable JSON IPC clients.
Unlike the Unix implementation, this doesn't share code with
--input-file, meaning --input-file on Windows won't understand JSON
commands (yet.) Sharing code and removing the separate implementation in
pipe-win32.c is definitely a possible future improvement.
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This will work for the X11 backend. It could be easily extended to
Wayland too, maybe.
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Drag&drop mechanisms typically support multiple types for the drop data.
Move most of the logic which types are accepted and preferred to
event.c, where the data is also interpreted.
(Maybe sorting the types by assigning scores is over-engineered, since
they're already sorted by preference, but it's actually not much more
code.)
Not very interesting/meaningful yet, but preparation for the next
commit.
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The sockaddr_un.sun_len field was not initialized. It seems our API use
is correct by simply making sure it's 0.
Fixes CID 1350075.
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Apparently useful for window embedding.
Fixes #2750.
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wm4
James Ross-Gowan
Sebastian Reuße
James Ross-Gowan
Akemi
Avi Halachmi (:avih)
Rostislav Pehlivanov
Timotej Lazar
Niklas Haas
Philip Sequeira