| Commit message (Collapse) | Author | Age | Files | Lines |
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Wayland uses vo_wayland_wait_frame plus some polling with a timeout for
blocking on vsync. Here are a couple of changes that seem to be
improvements. First, the poll time is always rounded up instead of
truncated. When rendering frames longer than the standard 16.666 ms
timeout, it seems that truncating the poll time slightly early may cause
some vsync jitter spikes. Waiting longer, even if it's too long, appears
to behave better.
The second change is to use wl_display_roundtrip instead of
wl_display_dispatch_pending. wl_display_dispatch_pending dispatches all
events immediately. This is good to avoid blocking, but it's not
guaranteed to wait long enough for all events to be processed on the
display fd. The preceding wl_display_read_events routine ensures that
all events on the display fd are queued. We just need a semi-blocking
routine to dispatch them for the most reliable vsync.
wl_display_roundtrip will dispatch any events for us, but also wait for
a reply from the display server. This makes it ideal for this role. If
the compositor doesn't reply to the client something else is probably
horribly broken and wrong anyway. It's also not a permanently blocking
call like wl_display_dispatch. If there's no frame callback (i.e. the
window is hidden), then it does not dispatch any events and returns
immediately.
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Also, add the function mp.get_script_directory() to let scripts know if
they're loaded as a directory and where.
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Directories inside ~~/scripts/ are now loaded as scripts, so don't use
it also for modules. Now there are no default module paths.
To compensate, we now try to run ~~/.init.js right after defaults.js,
so the user may extend the js init procedure via this script, e.g. for
adding default paths to mp.module_paths .
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Avoids an additional property access; see previous commit.
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Convenience; see following commit.
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As requested. I guess option name and manpage text could be better and
clearer.
Closes: #7442
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Now keypad enter actually works.
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While mpv normally uses the text a key produces (as opposed to physical
key mappings), this is different with the keypad. This is for the sake
of making it possible to distinguish between these keys and the normal
number keys on the left side of a full size keyboard.
There were complaints that the keypad doesn't interact with console.lua,
so manually map them. This ignores numlock (behaves as if it's always
on), and maps KP_DEC to "." (even though it's mapped to "," on some
keyboards). The /*-+ keys produce ASCII on mpv (at least with X11) as an
inexplicable inconsistency, so there are no mappings for these.
Fixes: #7431
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It was not meant to imply that screenshots are male. Female (and other)
screenshots are also welcome to this project.
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Due to asynchronicity, we generally can't guarantee that a video frame
matches up with other events such as playback time change exactly (since
decoding, presentation, and property update all happen at different
times). This is a complaint in the referenced bug report, where
screenshot filenames in each-frame screenshot did not use the correct
timestamp, and instead was lagging behind by 1 frame.
But in this case, synchronicity was already pretty much forced with wait
calls. The only problem was that the playback time was updated at a
later time, which results in the observed 1 frame lag. Fix this by
moving the place where the screenshot is triggered in this mode.
Normal screenshots may still have the old problem. There is no effort
made to guarantee the timestamps absolutely line up, same as with the
OSD. (If you want a guarantee, you need to use a video filter, such as
libavfilter's drawtext. These will obviously use the proper timestamp,
instead of going through the somewhat asynchronous property etc. system
in the player frontend.)
Fixes: #7433
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See #7435 and related for context.
Basically, it seems that while the original vsfilter processed subtitles
like with this option set to "yes", many current players (mpc-hc
default, vlc, probably most libass users) treat them like with "no". In
the linked issue, this makes rendering severely slower, and can consume
a lot of memory (or just overflow libass memory calculations). It seems
that changing this to "no" will lead to more good than bad, especially
because newer subtitles may be authored for the "no" behavior.
Most libass users seem to use "no" exactly because they do not call
ass_set_storage_size() at all. This API was needed because the scaling
of the subtitles depends on the video size (vsfilter bugs, or
something). In addition, it's my personal opinion that rendering should
not depend on the video at all, so I like setting the default of this to
"no".
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The script was set up to only call on_update when the changelist
was non-empty. However, since the size operator does not operate
on dicts, it always returned 0 (which is truthy), thus on_update
would always be called when the script-opts property changed.
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When switching between having a video visible or not,
stats.lua now picks up the required formatting changes
for the cache stats page to display correctly.
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The recently added feature to load scripts from a sub-directory. A
problem was that the script name was still derived from the actual
script source file that was loaded, which was always "main.lua" (or
similar), resulting in "main" as name.
Fix this by using the directory name.
One odd corner case is that you can do "--script=/path/foo////". As by
POSIX semantics, the extra "/" are ignored. However, the newly added
code strips only one separator, so mp_basename() returns "" (as it
should), and the empty name makes mp_new_client() fail in turn. I don't
really care about this, just don't do it. But mp_new_client() failure
was silent (since it normally never happens), so add at least an error
message for that, instead of being entirely silent.
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There were a couple of erroneous things in the handle_toplevel_config
function. Firstly, looping through the different states was not handled
correctly. Launching a window as maximized (can happen in sway for
example) was always stuck on true and would never be set to false. Fix
this by always checking if XDG_TOPLEVEL_STATE_MAXIMIZED is found or not.
Also do a similar thing for the fullscreen state.
Additionally, there were some issues with resizing windows and
window-scale going back to old sizes. The root of this problem is that
the width and height arguments of handle_toplevel_config aren't actually
guarenteed to be the actual width and height of the surface. There are
times when mpv will set the surface size on its own (like with
window-scale) which will be unknown to the toplevel listener. To
complicate matters, there are times when we do want to use the width and
height arguments (like when resizing with the mouse).
Fix this by checking if the width and height arguments reported by
handle_toplevel_config changed from the previous call of the function.
If the value is different, then we go ahead and use them when setting
mpv's geometry. If not, then we just ignore it.
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This makes it work with the shitty OS. Behavior on Linux should be the
same.
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Just move it from mp_path_join_bstr() to this new function.
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win32 is a cursed abomination which has "drive letters" at the root of
the filesystem namespace for no reason. This requires special handling
beyond tolerating the idiotic "\" path separator.
Even more cursed is the fact that a path starting with a drive letter
can be a relative path. For example, "c:billsucks" is actually a
relative path to the current working directory of the C drive. So for
example if the current working directory is "c:/windowsphone", then
"c:billsucks" would reference "c:/windowsphone/billsucks".
You should realize that win32 is a ridiculous satanic trash fire by the
point you realize that win32 has at least 26 current working
directories, one for each drive letter.
Anyway, the actual problem is that mpv's mp_path_join() function would
return a relative path if an absolute relative path is joined with a
drive-relative path. This should never happen; I bet it breaks a lot of
assumptions (maybe even some security or safety relevant ones, but
probably not).
Since relative drive paths are such a fucked up shit idea, don't try to
support them "properly", and just solve the problem at hand. The
solution produces a path that should be invalid on win32.
Joining two relative paths still behaves the same; this is probably OK
(maybe).
The change isn't very minimal due to me rewriting parts of it without
strict need, but I don't care.
Note that the Python os.path.join() function (after which the mpv
function was apparently modeled) has the same problem.
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Exhaustive tests would be nice, but I'm only adding a test for a
function I'm going to change.
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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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