| Commit message (Collapse) | Author | Age | Files | Lines |
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lua/js utils.get_env_list() uses `environ' which was ANSI, thus
it broke any unicode names/values.
mpv already has an internal utf8_environ for win32, but it's used
only at the getenv(..) wrapper and not exposed in itself, and also it
has lazy initialization - on first getenv() call.
Now `environ' maps to a function which ensures initialization while
keeping it an l-value (like posix expects).
The cost of this fuglyness is that files should include osdep/io.h
(which now declares environ as extern) rather than declaring it
themselves, or else the build will break on mingw.
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This was a vague idea how to handle passing byte arrays from Lua to the
mpv command interface in a somewhat reasonable way. The idea was
cancelled, but leave the Lua part of it, since it might get useful
later, and prevents passing (and silently cutting off) such byte
strings.
Barely tested, let's say not tested at all.
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This is taken from a somewhat older proof-of-concept script. The basic
idea, and most of the implementation, is still the same. The way the
profiles are actually defined changed.
I still feel bad about this being a Lua script, and running user
expressions as Lua code in a vaguely defined environment, but I guess as
far as balance of effort/maintenance/results goes, this is fine.
It's a bit bloated (the Lua scripting state is at least 150KB or so in
total), so in order to enable this by default, I decided it should
unload itself by default if no auto-profiles are used. (And currently,
it does not actually rescan the profile list if a new config file is
loaded some time later, so the script would do nothing anyway if no auto
profiles were defined.)
This still requires defining inverse profiles for "unapplying" a
profile. Also this is still somewhat racy. Both will probably be
alleviated to some degree in the future.
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It's documented (twice) at utils, and logically it's the correct place
for it.
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Because Lua is too stupid to provide this directly, and I sort of need
it.
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The build was still broken. Feel free to look for a better maintainer if
you don't like it.
Fixes: #7802 (maybe now?)
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Force them into a more consistent naming schema.
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Bill Gates did not only create COVID, he's also responsible for the
world's worst OS, where you have to literally jump through hoops of fire
to open files with Unicode file names. Lua did not care to implement any
jumping, so it's our turn to jump.
Untested (on win32).
Fixes: #7701
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This is the proper fix for 1e7802. Turns out the solution is dead
simple: we can still set the allocator with lua_getallocf /
lua_setalloc.
This commit makes memory accounting work on luajit as well.
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This is a stopgap measure. In theory we could maybe poll the memory
usage on luajit, but for now, simply reverting this part of fd3caa26
makes Lua work again. (And we can still collect cpu usage metrics)
Proper solution pending (tm)
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Add an infrastructure for collecting performance-related data, use it in
some places. Add rendering of them to stats.lua.
There were two main goals: minimal impact on the normal code and normal
playback. So all these stats_* function calls either happen only during
initialization, or return immediately if no stats collection is going
on. That's why it does this lazily adding of stats entries etc. (a first
iteration made each stats entry an API thing, instead of just a single
stats_ctx, but I thought that was getting too intrusive in the "normal"
code, even if everything gets worse inside of stats.c).
You could get most of this information from various profilers (including
the extremely primitive --dump-stats thing in mpv), but this makes it
easier to see the most important information at once (at least in
theory), partially because we know best about the context of various
things.
Not very happy with this. It's all pretty primitive and dumb. At this
point I just wanted to get over with it, without necessarily having to
revisit it later, but with having my stupid statistics.
Somehow the code feels terrible. There are a lot of meh decisions in
there that could be better or worse (but mostly could be better), and it
just sucks but it's also trivial and uninteresting and does the job. I
guess I hate programming. It's so tedious and the result is always shit.
Anyway, enjoy.
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Because they recently became normal autofree functions.
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The double closedir is a regression from the previous commit, which also
forgot to use the autofree context with the fullpath string.
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This also uses talloc destructors- like the JS autofree does.
The lua autofree is now used at the same places where the JS autofree
is used.
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There's no more need to call mp_lua_PITA to get the ctx, and the
autofree prototype is now enforced at the C level at compile time.
Also remove the redundant talloc_free_children at these functions
since it's now freed right after the function completes.
Also, rename auto_free_node to steal_node_allocations to be more
explicit and to avoid confusion with the autofree terminology.
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Advantages of this approach:
- All the resources are released right after the function ends
regardless if it threw an error or not, without having to wait
for GC.
- Simpler code.
- Simpler lua setup which most likely uses less memory allocation and
as a result should be quicker, though it wasn't measured.
This commit adds the autofree wrapper and uses it where mp_lua_PITA
was used. It's not yet enforced at the C level, there are still
redundant talloc_free_children leftovers, and there are few more
places which could also use autofree. The next commits will address
those.
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Lua changed behavior for this specific event. I considered the change
minor enough that it would not need to go through deprecation, but
someone hit it immediately and ask on the -dev channel.
It's probably better to restore the behavior. But mark it as deprecated,
since it's problematic (mismatch with the C API). Unfortunately, no
automatic warning is possible. (Or maybe it is, by playing sophisticated
Lua tricks such as setting a metatable and overriding indexing, but
let's not.)
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As suggested by avih. Obviously this was unnecessarily convoluted.
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Move some parts that can be generic to the client API code. It turns out
lua.c doesn't need anything special.
This adds the "id" field. I think this was actually missing from the
JSON IPC code (i.e. it's a very recent regression that is fixed with
this commit).
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Both Lua and the JSON IPC code need to convert the mpv_event struct (and
everything it points to) to Lua tables or JSON.
I was getting sick of having to make the same changes to Lua and IPC. Do
what has been done everywhere else, and let the core handle this by
going through mpv_node (which is supposed to serve both Lua tables and
JSON, and potentially other scripting language backends). Expose it as
new libmpv API function.
The new API is still a bit "rough" and support for other event types
might be added in the future.
This silently adds support for the playlist_entry_id fields to both Lua
and JSON IPC.
There is a small API change for Lua; I don't think this matters, so I
didn't care about compatibility. The new code in client.c is mashed up
from the Lua and the IPC code. The manpage additions are moved from the
Lua docs, and made slightly more "general".
Some danger for unintended regressions both in Lua and IPC. Also damn
these node functions suck, expect crashes due to UB.
Not sure why this became more code instead of less compared to before
(according to the diff stat), even though some code duplication across
Lua and IPC was removed. Software development sucks.
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This makes it work with the shitty OS. Behavior on Linux should be the
same.
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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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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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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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See previous commit.
A nice side-effect is that mp.get_osd_margins() is not a special
Lua-only thing anymore. I didn't test whether this function still works
as expected, though.
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`size` field with `unsigned int` was truncated to 4GB
Signed-off-by: wm4 <wm4@nowhere>
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Lua scripting has an undocumented mp.set_osd_ass() function, which is
used by osc.lua and console.lua. Apparently, 3rd party scripts also use
this. It's probably time to make this a public API.
The Lua implementation just bypassed the libmpv API. To make it usable
by any type of client, turn it into a command, "osd-overlay".
There's already a "overlay-add". Ignore it (although the manpage admits
guiltiness). I don't really want to deal with that old command. Its main
problem is that it uses global IDs, while I'd like to avoid that scripts
mess with each others overlays (whether that is accidentally or
intentionally). Maybe "overlay-add" can eventually be merged into
"osd-overlay", but I'm too lazy to do that now.
Scripting now uses the commands. There is a helper to manage OSD
overlays. The helper is very "thin"; I only want to force script authors
to use the ID allocation, which may help with putting multiple scripts
into a single .lua file without causing conflicts (basically, avoiding
singletons within a script's environment). The old set_osd_ass() is
emulated with the new API.
The JS scripting wrapper also provides a set_osd_ass() function, which
calls internal mpv API. Comment that part (to keep it compiling), but
I'm leaving it to @avih to finish the change.
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Merged from mpv-repl git repo commit 5ea2bf64f9c239f0326b02. Some
changes were made on top of it:
- Tabs were converted to 4 spaces indentation (plus some manual
indentation fixes in some places).
- All user-visible mentions of "repl" were renamed to "console".
- The README was converted to a manpage (with heavy changes, some
additions taken from stats.rst; rossy converted the key bindings
table to RST).
- The method to change the default key binding was changed.
- Change minor detail about "font" default value setting (not a
functional change).
- Integrate into the player as builtin script, including an option to
prevent loading it.
Above changes and commit message done by wm4.
Signed-off-by: wm4 <wm4@nowhere>
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This will just make it not work if mpv_request_log_messages() gets
extended to accept more names. Pass the argument without checking.
To keep the behavior the same (for whatever reasons, probably not
important), still raise an error if the libmpv API function returns an
error that the argument was bad.
(The check_loglevel() function is still used when the script _emits_ log
messages, which is different, and for which there is no API anyway.)
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Also somewhat cleans up mp.command_native_async() error handling.
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The "run" command is old. I'm not sure why the separate Lua
implementation was added. But maybe it as because the "run" command used
to be limited to a small number of arguments. This limit has been
removed a while ago. In any case, the old implementation is not needed
anymore.
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We keep mp.subprocess() with roughly the same semantics for
compatibility with scripts (including the internal ytdl script).
Seems to work with rhe ytdl wrapper. Not tested further.
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Might be useful for some.
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As it turns out, there are multiple libmpv users who saw a need to
use the hook API. The API is kind of shitty and was never meant to be
actually public (it was mostly a hack for the ytdl script).
Introduce a proper API and deprecate the old one. The old one will
probably continue to work for a few releases, but will be removed
eventually.
There are some slight changes to the old API, but if a user followed
the manual properly, it won't break.
Mostly untested. Appears to work with ytdl_hook.
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Usable for uniquely identifying mpv instances from
subprocesses, controlling mpv with AppleScript, ...
Adds a new mp_getpid() wrapper for cross-platform reasons.
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I've decided that MP_TRACE means “noisy spam per frame”, whereas
MP_DBG just means “more verbose debugging messages than MSGL_V”.
Basically, MSGL_DBG shouldn't create spam per frame like it currently
does, and MSGL_V should make sense to the end-user and provide mostly
additional informational output.
MP_DBG is basically what I want to make the new default for --log-file,
so the cut-off point for MP_DBG is if we probably want to know if for
debugging purposes but the user most likely doesn't care about on the
terminal.
Also, the debug callbacks for libass and ffmpeg got bumped in their
verbosity levels slightly, because being external components they're a
bit less relevant to mpv debugging, and a bit too over-eager in what
they consider to be relevant information.
I exclusively used the "try it on my machine and remove messages from
MSGL_* until it does what I want it to" approach of refactoring, so
YMMV.
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This commit introduces mp.utils.file_info() for querying information
on file paths, implemented for both Lua and Javascript.
The function takes a file path as an argument and returns a Lua table /
JS object upon success. The table/object will contain the values:
mode, size, atime, mtime, ctime and the convenience booleans is_file, is_dir.
On error, the Lua side will return `nil, error` and the Javascript side
will return `undefined` (and mark the last error).
This feature utilizes the already existing cross-platform `mp_stat()`
function.
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Signed-off-by: wm4 <wm4@nowhere>
Rename --stats to --load-stats-overlay and add an entry to options.rst
over the original commit.
Signed-off-by: wm4 <wm4@nowhere>
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Fixes #4045.
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Give scripting backends a proper name, instead of calling everything
"scripts".
Log client exit directly in client.c, as that is more general (doesn't
change actual output).
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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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This should normally happen only if memory allocation for the state
happens, which should be extremely rare. But with Luajit on OSX, it can
happen if the magic compiler flags required by Luajit were not passed to
mpv compilation. Print an error to reduce confusion.
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This was dumb and could return something like "{name=123}" as an array.
Also, fix the error message if a key is not a string. lua_typename()
takes a type directly, not a stack item.
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The former was done already for Lua scripts, but move it to the generic
code.
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