| Commit message (Collapse) | Author | Age | Files | Lines |
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It appears Lua's package paths try to load .lua files from the current
working directory. Not only that, but also shared libraries.
WHAT THE FUCK IS WHOEVER IS RESPONSIBLE FOR THIS FUCKING DOING?
mpv isn't setting this package path; currently it's only extending it.
In any sane world, this wouldn't be a default. Most programs use
essentially random working directories and don't change it.
I cannot comprehend what bullshit about "convenience" or whatever made
them do something this broken and dangerous. Thousands of programs using
Lua out there will try to randomly load random code from random
directories.
In mpv's case, this is so security relevant, because mpv is normally
used from the command line, and you will most likely actually change
into your media directory or whatever with the shell, and play a file
from there. No, you don't want to load a (probably downloaded) shared
library from this directory if a script try to load a system lib with
the same name or so.
I'm not sure why LUA_PATH_DEFAULT in luaconf.h (both upstream and the
Debian version) put "./?.lua" at the end, but in any case, trying to
load a module that doesn't exist nicely lists all package paths in
order, and confirms it tries to load files from the working directory
first (anyone can try this). Even if it didn't, this would be
problematic at best.
Note that scripts are _not_ sandboxed. They're allowed to load system
libraries, which is also why we want to keep the non-idiotic parts of
the package paths.
Attempt to fix this by filtering out relative paths. This is a bit
fragile and not very great for something security related, but probably
the best we can do without having to make assumptions about the target
system file system layout. Also, someone else can fix this for Windows.
Also replace ":" with ";" (for the extra path). On a side note, this
extra path addition is just in this function out of laziness, since
I'd rather not have 2 functions with edit the package path.
mpv in default configuration (i.e. no external scripts) is probably not
affected. All builtin scripts only "require" preloaded modules, which,
in a stroke of genius by the Lua developers, are highest priority in the
load order. Otherwise, enjoy your semi-remote code execution bug.
Completely unrelated this, I'm open for scripting languages and
especially implementations which are all around better than Lua, and are
suited for low footprint embedding.
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And add some clarifications/suggestions to the manpage.
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This simply didn't set the direction flag in most situations, which
meant the timestamps used in the subtitle renderer were nonsense,
leading to invisible subtitles.
This works only for text subtitles that are cached in the ASS_Track
state. Reading new subtitles is broken because the demuxer layer has
trouble returning subtitle packets backwards, and I think for rendering
bitmap subtitles, the pruning direction would have to be adjusted. (Not
sure if reversing the timestamps before the subtitle renderer backend is
even the right thing to do. At least for sd_ass.c, it seems to make
sense, because it caches subtitles with "normal" timestamps.)
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I think this was annoying. It shouldn't be dishonest about which options
exist. List them as "[deprecated]" instead.
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Apparently such .cue files exist. They fail both probing and parsing. To
make it worse, the sample at hand was encoded as Latin1.
One part of this is replacing bstr_lstrip() with a version that supports
NBSP. One could argue that bstr_lstrip() should always do this, but I
don't want to overdo it. There are many more unicode abomination which
it could be said it's supposed to handle, so it will stay ASCII instead
of going down this rabbit hole. I'm just assuming this cue sheet was
generated by some stupid software that inexplicably liked NBSPs (which
is how we justify a one-off fix). The new lstrip_whitespace() doesn't
look particularly efficient, but it doesn't have to be.
The second part is dealing with the fact that the charset is not
necessarily UTF-8. We don't want to do conversion before probing thinks
it knows it's a cue sheet (would probably make it more fragile all
around), so just make it work with Latin1 by assuming invalid code
points are Latin1. This fallback is part of why lstrip_whitespace() is
sort of roundabout.
(You could still rewrite it as much more efficient state machine,
instead of using a slow and validating UTF-8 parser that is called per
codepoint. Starting to overthink this.)
Multimedia is terrible. Legacy charsets are terrible. Everything is
terrible.
Fixes: #7429
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Unfortunately, libarchive detects a stream of 0s as tar, as demonstrated
by "mpv /dev/zero". This is inconvenient in some cases.
One example is the .cue demuxer trying to open a raw audio .bin file,
which it allows only if probing fails (as .bin is raw and normally will
not look like any real file format). Although this use-case is
worthless.
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On some platforms the ZPOS property might exist, but be immutable.
This is at least the case on Intel Sandy Bridge since Linux kernel
5.5.0. Trying to set an immutable property will cause.
drmModeAtomicCommit to fail with -EINVAL.
On other platforms we might want to set ZPOS to tweak the layering of
planes.
To reconcile these two, simply have drm_object_set_property check if a
property is immutable before attempting to add it to the atomic
commit, instead returning an error code (which is, as previously,
ignored in the case of ZPOS as we don't strictly need it)
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The cdio API always reads in sectors (fixed CDIO_CD_FRAMESIZE_RAW
blocks). In the past, mpv/MPlayer streams had a way for a stream to
signal a sector size, so the stream's fill_buffer implementation could
ignore the length argument. Later, that was removed, but stream_cdda.c
was left with assuming that the read size was always larger than the
sector size (rightfully at the time). Even later, this assumption was
broken with commit f37f4de, when it was suddenly possibly that smaller
reads were performed (at ring buffer boundaries). It returned EOF if the
buffer size was too small, so playback stopped very early.
Fix this by explicitly handling arbitrary sizes.
Tested with a .cue/.bin file only.
Fixes: #7384
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mpv actually used to be able to, from what I remember, but this was
changed for simplicity and because of problems with FFmpeg.
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And document the shit.
This uses code from commit bc1c024ae032e5b5c.
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The intention is to provide a slightly nicer way to distribute scripts.
For example, you could put multiple source files into the directory, and
then import them from the actual script file (this is still
unimplemented).
At first I wanted to require a config file (because you need to know at
least which scripting backend it should use). This wouldn't have been
too hard (could have reused/abused the mpv config file parsing
mechanism, and I already had working code that was just 2 function
calls). But probably better to do this without new config files, because
it might become a pain in the distant future.
So this just probes for "main.lua", "main.js", etc., until an existing
file is found.
Another important change is that this skips all directory entries whose
name starts with ".". This automatically excludes the "." and ".."
special directories, and is probably useful to exclude random crap that
might be lying around in the directory (such as editor temporary files,
or OSX, in its usual hrmful, annoying, and idiotic modus operandi,
sharting all over any directories opened by "Finder").
Although the changelog mentions the docs, they're added only in a later
commit.
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Was only needed for an ancient version of af_lavfrresample, which is
gone now.
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This originally existed as a hack for weston. In certain scenarios, a
frame taking too long to render would cause vo_wayland_wait_frame to
timeout which would result in a ton of dropped frames. The naive
solution was to just to add a slight delay to the time value. If a
frame took too long, it would likely to fall under the timeout value and
all was well. This was exposed to the user since the default delay
(1000) was completely arbitrary.
However with presentation time, this doesn't appear to be neccesary.
Fresh frames that take longer than the display's refresh rate (16.666 ms
in most cases) behave well in Weston. In the other two main compositors
without presentation time (GNOME and Plasma), they also do not
experience any ill effects. It's better not to overcomplicate things, so
this "feature" can be removed now.
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This is a central lock (that is to stay and has no reason to go away),
and it was simply made global. This reduces complexity when the original
MPlayer code was changed from single thread + global state to a context
handle.
Having the global lock was still a bit silly if there were multiple mpv
instances in the process, because it would make the instances wait for
each other for no reason. So move it to the per-instance context, which
is trivial enough.
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The wakeup_log_file callback was still assuming that mp_msg_lock was
used to control the log file thread, but this changed while I was
writing this code, and forgot to update it. (It doesn't change any
state, which is untypical for condition variable usage. The state that
is changed is protected by another lock instead. But log_file_lock still
needs to be acquired to ensure the signal isn't sent while the thread is
right before the pthread_cond_wait() call, when the lock is held, but
the signal would still be lost.)
Because the buffer's wakeup callback now acquires the lock, the wakeup
callback must be called outside of the buffer lock, to keep the lock
order (log_file_lock > mp_log_buffer.lock). Fortunately, the wakeup
callback is immutable, or we would have needed another dumb leaf lock.
mp_msg_has_log_file() made a similar outdated assumption. But now access
to the log_file field is much trickier; just define that it's only to be
called from the thread that manages the msg state. (The calling code
could also just check whether the log-file option changed instead, but
currently that would be slightly more messy.)
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Until now --log-file performed a blocking write to the log file, which
made any calling thread block for I/O. It even explicitly flushed after
every line (to make it tail-able, or to ensure a hard crash wouldn't
lose any of the output). This wasn't so good, because it could cause
real playback problems, which made it infeasible to enable it by
default.
Try to buffer it through a ring buffer and a thread. There's no other
choice but to use a thread, since async I/O on files is generally a big
and unportable pain. (We very much prefer portable pain.) Fortunately,
there's already a ring buffer (mp_log_buffer, normally for the client
API logging hook). This still involves some pretty messy locking. Give
each mp_log_buffer its own lock to make this easier.
This still makes calling threads block if the log buffer is full (unlike
with client API log buffers, which just drop messages). I don't want log
messages to get lost for this purpose. This also made locking pretty
complicated (without it, mp_log_buffer wouldn't have needed its own
lock). Maybe I'll remove this blocking again when it turns out to be
nonsense.
(We could avoid wasting an entire thread by "reusing" some other thread.
E.g. pick some otherwise not real time thread, and make it react to the
log buffer's wakeup callback. But let's not. It's complicated to abuse
random threads for this. It'd also raise locking complexity, because we
still want it to block on a full buffer.)
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There wasn't really much of a reason to keep split_opt and
splot_opt_silent apart. It made sense before the latter also had a log
call (which was silenced by using mp_null_log if necessary).
Just merge them back into one, and always rely on mp_null_log to silence
unwanted output.
Shouldn't have any functional changes.
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was forgotten in commit 3275cd0
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Scripts are not supposed to be able to "import" anything from mpv's
scripts directory, because all these files are loaded by mpv itself.
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Add support for setting window-minimized and window-maximized in
Windows. The minimized and maximized state can be set independently.
When the window is minimized, the value of window-maximized will
determine whether the window is restored to the maximized state or not.
Changing state is done with ShowWindow(), which has commands that change
the window state and activate it (eg. SW_RESTORE) and commands that
change the window state without activating it (eg. SW_SHOWNOACTIVATE.)
It would be nice if we could use commands that don't activate the
window, so scripts could change the window state in the backrgound
without bringing it to the foreground, but there are some problems with
that. There is no command to maximize a window without activating it, so
SW_MAXIMIZE is used instead. Also, restoring a window from minimize
without activating it seems buggy. On my Windows 10 1909 PC, it always
moves the window to the back of the z-order. SW_RESTORE is used instead
of SW_SHOWNOACTIVATE because of this.
This also changes the way the window is initially shown. Previously, the
window was made visible as a consequence of the SWP_SHOWWINDOW flag in
the first call to SetWindowPos. In order to set the initial minimized or
maximized state of the window, the window is shown with the ShowWindow
function instead, where the ShowWindow command is determined by whether
the window should be initially maximized or minimized.
Even when showing the window normally, we should still call ShowWindow
with the SW_SHOW command instead of using SetWindowPos, since the first
call a process makes to ShowWindow(SW_SHOW) has special behaviour
where it uses the show command in the process' STARTUPINFO instead of
the command passed to the function, which should fix #5724.
Note: While changes to window-minimized while in fullscreen mode should
work as expected, changing window-maximized while in fullscreen does not
work and won't result in the window changing state, even after leaving
fullscreen. For this to work correctly, the fullscreen logic needs to be
changed to apply the new maximized state on leaving fullscreen.
Fixes: #5724
Fixes: #7351
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I noticed an oversight when using ytdl-hook -- if the path is a URL, we
try to `stat()` it, which obviously doesn't work. To mitigate that,
don't check or update mtimes for URLs.
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the event returns a delta ratio so we can just add it to the current
window-scale.
Adds support for #3214
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this prevents a vanishing window if the size is set too small.
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it was possible for mouse events to be triggered when the core was
already being shut down. to prevent this properly close and remove the
window and additional remove the reference to MPVHelper object.
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this deprecates the old cocoa backend only option and moves it to the
general macos ones. add support for the new option in the cocoa-cb
layer creation and use the new option in the olde cocoa backend.
Fixes #7272
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due to the bundle config the icon is set automatically via the bundle
system mechanisms. this also makes it possible to set the icon to a
custom one with the standard macOS copy paste method via the file info
dialogue.
Fixes #6874
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some system logic for the global media key events depends on the right
playback state. set the state properly to prevent more breakages in the
future.
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Fixes #7365
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since the old PLAY and PAUSE key codes cycle through the pause property,
the new key codes only explicitly set the pause property.
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Restore the behavior from a few commits ago. I decided that it's strange
that this is fatal, since e.g. config file errors are also non-fatal.
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Why the fuck am I even bothering with this crap?
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This reverts commit 1b0129c4143fe73ef0ee3c3f1e2bed734c374d40.
It turns out most of the files affected by the idiotic use-case actually
use this old naming pattern, which I hoped was unused.
This means for now we'll always assume .rar files are multi-part (until
proven otherwise), but the following commit tries to fix this.
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Triggered the fallback code that formatted the argument as "(NULL)".
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The / was added some time ago, because it simplifies some other things.
But there is actually no reason to reject old URLs.
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It's ridiculous that --script=something.dumb does not cause an error.
Make it error, and extend this behavior to the scripts/ sub-dir in the
mpv config dir.
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I think there was a user complaint that this does not restore the
playlist position.
There's no reason not to save the "state" for unseekable streams; what
we probably don't want is to make restoring trying to issue a seek. So
just don't save the position. (Although we probably could anyway, since
seek requests on unseekable streams are ignored now.)
Fixes: issue number forgotten, if it even exists.
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This was used to convert e.g. P010 to NV12 within the filter chain,
which hopefully a thing that is not needed anymore. (And has been dead
code since the ANGLE "RGB" interop code was removed.)
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Notably, BGR0, which is the only additional format listed as supported
by the texture mapper, results in broken colors. This is most likely not
a mpv issue, so the whitelist fulfils its purpose.
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As documented on struct mp_hwdec_ctx, hw_imgfmt specifies the hardware
surface wrapper format for which supported_formats is valid. If this was
not set, f_hwtransfer ignored supported_formats, and assumed all formats
were supported.
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Cache display updates, especially when it's bigger than few minute,
could have been be very infrequent to the point that one is not sure
if it updates at all.
Reduce the 10% change-threshold to 5% and add another threshold of 5s.
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Right now we are generating the fully option list before doing
anything else. That makes filename completion significantly slower
than it was before, for no gain. It's easy to only generate the
option list when it's actually needed.
I also know I could additionally cache the option list across
invocations, but I'm not doing that yet to make testing easier.
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