| Commit message (Collapse) | Author | Age | Files | Lines |
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This is preparation to further cleanups (and eventually actual
improvements) of the audio output code.
AOs are split into two classes: pull and push. Pull AOs let an audio
callback of the native audio API read from a ring buffer. Push AOs
expose a function that works similar to write(), and for which we start
a "feeder" thread. It seems making this split was beneficial, because of
the different data flow, and emulating the one or other in the AOs
directly would have created code duplication (all the "pull" AOs had
their own ring buffer implementation before it was cleaned up).
Unfortunately, both types had completely separate implementations (in
pull.c and push.c). The idea was that little can be shared anyway. But
that's very annoying now, because I want to change the API between AO
and player.
This commit attempts to merge them. I've moved everything from push.c to
pull.c, the trivial entrypoints from ao.c to pull.c, and attempted to
reconcile the differences. It's a mess, but at least there's only one
ring buffer within the AO code now. Everything should work mostly the
same. Pull AOs now always copy the audio data under a lock; before this
commit, all ring buffer access was lock-free (except for the decoder
wakeup callback, which acquired a mutex). In theory, this is "bad", and
people obsessed with lock-free stuff will hate me, but in practice
probably won't matter. The planned change will probably remove this
copying-under-lock again, but who knows when this will happen.
One change for the push AOs now makes it drop audio, where before only a
warning was logged. This is only in case of AOs or drivers which exhibit
unexpected (and now unsupported) behavior.
This is a risky change. Although it's completely trivial conceptually,
there are too many special cases. In addition, I barely tested it, and
I've messed with it in a half-motivated state over a longer time, barely
making any progress, and finishing it under a rush when I already should
have been asleep. Most things seem to work, and I made superficial tests
with alsa, sdl, and encode mode. This should cover most things, but
there are a lot of tricky things that received no coverage. All this
text means you should be prepared to roll back to an older commit and
report your problem.
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Meh, why is this so roundabout?
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It doesn't exist on bionic (Android) and accurately emulating
execvpe's behaviour isn't all that important.
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When the window is mapped, some ICCCM WM_HINTS are set.
The input field is set to true and state is set to NormalState.
To quote the spec, "The input field is used to communicate to the window
manager the input focus model used by the client" and "[c]lients with
the Passive and Locally Active models should set the input flag to True".
mpv falls under the Passive Input model, since it expects keyboard input,
but only listens for key events on its single, top-level window instead
of subordinate windows (Locally Active) or the root window (Globally
Active).
From the end users prospective, all EWMH/ICCCM compliant WMs (especially
the minimalistic ones) will allow the user to focus mpv, which will allow
mpv to receive key events. If the input field is not set, WMs are
allowed to assume that mpv doesn't require focus.
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And mention it on "vf del" as non-deprecated alternative.
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Forgotten in one of the previous commits. Also undeprecates
display-adrop since it's out of sight now.
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Commit 9d32d62b615 broke this when it changed OPT_TIME. I simply forgot
to adjust the command definition. The effect was that "no" was not
accepted as value.
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I guess this qualifies as trolling. It's becoming increasingly clear
that Microsoft will not be able to deliver on this promise, at least not
in the way they made it seem at first. I'm not sure if Microsoft was the
one who did the trolling, or me. I actually expected that we'd get full
GUI integration of Linux applications including accelerated graphics,
but it was always clear that it wasn't going to work as well as
natively.
In any case, there is no need to frighten any users. The time when you
can run only "Windows Store Apps" on Windows (== the end for mpv and
many other applications on Windows) will come soon enough.
The "faster than native" statement is based on other people's real
experience of software running faster in Linux VMs than native windows
ports, by the way.
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This mode drops or repeats audio data to adapt to video speed, instead
of resampling it or such. It was added to deal with SPDIF. The
implementation was part of fill_audio_out_buffers() - the entire
function is something whose complexity exploded in my face, and which I
want to clean up, and this is hopefully a first step.
Put it in a filter, and mess with the shitty glue code. It's all sort of
roundabout and illogical, but that can be rectified later. The important
part is that it works much like the resample or scaletempo filters.
For PCM audio, this does not work on samples anymore. This makes it much
worse. But for PCM you can use saner mechanisms that sound better. Also,
something about PTS tracking is wrong. But not wasting more time on
this.
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Passing NULL to memset() is undefined behavior, even if the size
argument is 0. Could happen on init errors and such.
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Can be useful to force it to adapt to extreme speed changes, while a
higher limit would just use a fraction closer to the original video
speed.
Probably useful for testing only.
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I'm not sure why it only rendered OSD inside the video. Since OSD
rendering was always done on the X image (after software scaling and
color conversion), there was no technical reason for this. Maybe it was
because the code started out this way, and it was annoying to change it.
Possibly, one reason was that it didn't normally have to clear the black
bars in every frame (if video didn't cover the entire window).
Anyway, simply render OSD to the full window. This gets rid of some
rather weird stuff. It seems to look mostly like vo_wlshm now. The
uncovered regions are cleared every frame, which could probably be
avoided by being clever with the OSD renderer code, but this is where
I'm decidedly losing interest.
There was some mysterious code for aligning the image width to 8 pixels.
Replace that by attempting to align it to SIMD alignment (might matter
for libswscale, or if repack.c gets SIMD). Why are there apparently 4
different ways representing a pixel format (depth, VisualID, Visual,
XVisualInfo), but none of them seem to provide the XImage.bits_per_pixel
value (the actual size of a pixel, including padding)? Even after 33
years, X11 still seems overengineered, confusing, and inconvenient. So
just call X11 a heap of shit, and assume the worst case for alignment.
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Not sure if generally useful; the following commit uses it.
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Not sure if generally useful; the following commit uses it.
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It may be completely useless, and I can't verify it as no known samples
or other known/accessible software using it, but why not?
Putting this together with he 422 code requires making it slightly more
generic. I'm still staying with a "huge" if tree instead of a table to
select the scanline worker callback, because it's actually small and not
huge (although it not being generic still feels slightly painful).
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Now everything is super generic and super undebuggable. Some awkwardness
because the new metadata is basically a transposed version of the
mp_regular_imgfmt metadata, which was used for component info before.
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The old code ignored many corner cases, and even wrote "blacker than
black" to YUV images. Use the new pixel format metadata and other
recently added gimmicky crap, which should make this more correct. Even
the almighty fuckup of a format AV_PIX_FMT_UYYVYY411 should work,
although that couldn't be tested for obvious reasons.
This doesn't work for "monow", but this is so extremely fringe while at
the same time painful that I just won't care. In theory, it could be
modeled as some sort of inverted gray colorspace or something.
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Had 1 user; easily replaced.
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Make sure to accept only native endian mpv formats. Previously, it
didn't check, and simply matched LE, because these are usually defined
before the BE formats.
red_mask etc. are defined as unsigned long, so use that instead of
hardcoding a 32 bit limit.
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A repeat of the previous useless commits.
Pondered whether to use separate fields or just a flags integer for
color and component types; the latter won for now.
Functions like mp_imgfmt_get_component_type() are now discouraged, and
mp_imgfmt_desc.flags is back for defining all information. Some days ago
I felt like the opposite would be the better design. Fortunately, it
doesn't matter.
With this, I think all image format properties that mpv needs are
exhaustively defined all in one place.
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Execution of "stop" command in the case when idle mode was not enabled
resulted in player termination scenario not honoring user setting
"save-position-on-quit" from config file. This patch addresses the
issue by checking for "save-position-on-quit" in cmd_stop and saving
state when idle mode is not enabled.
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Useless, but super generic! Actually may add support for other fringe
formats, however vo_x11 in itself is useless, so nothing won here. Also
I didn't bother with big endian support.
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I guess I decided to stuff it all into mp_imgfmt_desc (the "old"
struct). This is probably a mistake. At first I was afraid that this
struct would get too fat (probably justified, and hereby happened), but
on the other hand mp_imgfmt_get_desc() (which builds the struct) calls
the former mp_imgfmt_get_layout(), and the separation doesn't make too
much sense anyway. Just merge them.
Still, try to keep out the extra info for packed YUV bullshit. I think
the result is OK, and there's as much information as there was before.
The test output changes a little. There's no independent bits[] array
anymore, so formats which did not previously have set this now show it.
(These formats are mpv-only and are still missing the metadata. To be
added later). Also, the output for the cursed packed formats changes.
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Use the new pixfmt metadata to replace the format tables with weird
generic code.
As you can see, this removes the tables that essentially duplicate
information (which is baaaaaaaaaad), in exchange for code which is
probably more fragile and has less of a chance of being understood by
someone new to the code (which is probably even worse from a maintenance
and robustness point of view, but LALALA I CAN'T HEAR YOU).
There are some more formats which can be handled like this (RGB30 and
packed YUV I guess), maybe later.
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My previous commit added support for this format, but it was still
broken, and prevented the allocation code from working. It's unknown
whether it's correct now (because this pixfmt is so obscure and useless,
there are no known samples around), but who cares.
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Trying to use anything other than CLOCK_MONOTONIC here would be a
disaster. No idea if it's even possible for the clockid here to be
something other than CLOCK_MONOTONIC in this function but it's better
safe than sorry. Closes #7740.
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I thought I'd probably want something like this, so the hardcoded stuff
in repack.c can be removed eventually. Of course this has no purpose at
all, and will not have any. (For now, this provides only metadata, and
nothing uses it, apart from the "test" that dumps it as text.)
This adds full support for AV_PIX_FMT_UYYVYY411 (probably out of spite,
because the format is 100% useless). Support for some mpv-only formats
is missing, ironically.
The code goes through _lengths_ to try to make sense out of the FFmpeg
AVPixFmtDescriptor data. Which is even more amazing that the new
metadata basically mirrors pixdesc, and just adds to it. Considering
code complexity and speed issues (it takes time to crunch through all
this shit all the time), and especially the fact that pixdesc is very
_incomplete_, it would probably better to have our own table to all
formats. But then we'd not scramble every time FFmpeg adds a new format,
which would be annoying. On the other hand, by using pixdesc, we get the
excitement to see whether this code will work, or break everything in
catastrophic ways.
The data structure still sucks a lot. Maybe I'll redo it again. The text
dump is weirdly differently formatted than the C struct - because I'm
not happy with the representation. Maybe I'll redo it all over again.
In summary: this commit does nothing.
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Remove the vaguely defined plane_bits and component_bits fields from
struct mp_imgfmt_desc. Add weird replacements for existing uses. Remove
the bytes[] field, replace uses with bpp[].
Fix some potential alignment issues in existing code. As a compromise,
split mp_image_pixel_ptr() into 2 functions, because I think it's a bad
idea to implicitly round, but for some callers being slightly less
strict is convenient.
This shouldn't really change anything. In fact, it's a 100% useless
change. I'm just cleaning up what I started almost 8 years ago (see
commit 00653a3eb052). With this I've decided to keep mp_imgfmt_desc,
just removing the weird parts, and keeping the saner parts.
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This stuff is very annoying, so it's good to have full coverage.
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Code contributed by @avih with only minor modifications to comments by
me.
Fixes #7727.
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The image w and h members must match params.w and params.h, so
should not be changed directly. The helper function mp_image_set_size
is designed for this purpose, so just use that instead.
This prevents an assertion error with the rewritten draw_bmp.
Fixes #7721.
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The generate_xxx() helpers, once defined, would appear as
user-visible functions; this would lead to unexpected and
confusing completion suggestions for gene<tab> after having
once run mpv in that shell.
This PR adds the prefix '_mpv_' to all completion functions
as a convention to make them less user-visible and less likely
to collide with other packages.
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The OSC calls this "tooltip" (and although a general mechanism, there's
only one instance using it). One particular problem was that with the
default OSC layout, moving the mouse down and out of the window, the
tooltip stuck around, because the returned mouse position was the last
pixel row in the window, which still overlaps with the seek bar.
Instead of introducing mouse_in_window, you could check last_mouse_X for
nil, but I think this is clearer.
This returns (-1, -1) to the caller if the mouse is outside. Kind of
random, but works.
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Added in libplacebo v60, unfortunately with some changes in design that
make it a bit of an awkward fit for the way timers are used in mpv.
Timer queries in libplacebo don't support "start" and "stop"-style
operations, and instead are attached directly to operations. The only
sane way of implementing this in the ra API is to have a single 'active
timer' that gets attached to every pass, taking care to sort distinct
operations into distinct pl_timer queries within that ra_timer.
This design unfortunately doesn't let us have multiple 'active timers'
concurrently, similar to the current such limitation in ra_gl. But it's
also not a big deal.
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Before this, we pretty much guaranteed that --mpv-ipc-fd=3 would be
passed. The FD was hardcoded, so scripts started by this mechanism
didn't need to actually parse the argument. Change this to using a
mostly random FD number instead.
I decided to do this because posix_spawnp() and the current replacement
cannot "guarantee" a FD layout. posix_spawn_file_actions_adddup2() just
runs dup2() calls, so it may be hard to set FD 3/4 if they are already
used by something else. For example imagine trying to map:
{.fd = 3, .src_fd = 4},
{.fd = 4, .src_fd = 3},
Then it'd do dup2(4, 3), dup2(3, 4) (reminder: dup2(src, dst)), and the
end result is that FD 4 really maps to the original FD 4.
While this was not a problem in the present code, it's too messy that I
don't want to pretend it can always done this way without an unholy
mess. So my assumption is that FDs 0-2 can be freely assigned because
they're never closed (probably...), while for all other FDs only
pass-through is reasonable.
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Commit c6369933f1d9cd accidentally added an old version of this comment.
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I suppose it would have left the socket open if the client closed its
FD.
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For external scripts/processes which use IPC. The mistake didn't really
matter.
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See previous commit. Farewell, useless shitty POSIX function.
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This code runs posix_spawnp() within a fork() in some cases, in order to
"disown" processes which are meant as being started detached. But
posix_spawnp() is not marked as async-signal-safe, so what we do is not
allowed. It could for example cause deadlocks, depending on
implementation and luck at runtime. Turns out posix_spawnp() is useless
crap.
Replace it with "classic" fork() to ensure correctness.
We could probably use another mechanism to start a process "disowned"
than doing a double-fork(). The only problem with "disowning" a process
is calling setsid() (which posix_spawnp() didn't support, but maybe will
in newer revisions), and removing as as parent from the child process
(the double-fork() will make PID 1 the parent). But there is no good way
to either remove us as parent, or to "reap" the PID in a way that is
safe and less of a mess than the current code. This is because
POSIX/UNIX is a miserable heap of shit. (Less shit than "alternatives"
like win32, no doubt.)
Because POSIX/UNIX is a miserable heap of shit, execvp() is also not
specified as async-signal-safe. It's funny how you can run a full
fledged HTTP server in an async-signal-safe context, but not start a
shitty damn process. Unix is really, really, really extremely bad at
this process management stuff. So we reimplement execvp() in an
async-signal-safe way.
The new code assumes that CLOEXEC is a thing. Since POSIX/UNIX is such a
heap of shit, O_CLOEXEC and FD_CLOEXEC were (probably) added at
different times, but both must be present. io.h defines them to 0 if
they don't exist, and in this case the code will error out at runtime.
Surely we could do without CLOEXEC via fallback, but I'll do that only
if at least 1 bug is reported wrt. this issue.
The idea how to report exec() failure or success is from musl. The way
as_execvpe() is also inspired by musl (for example, the list of error
codes that should make it fail is the same as in musl's code).
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Fixes: #7698
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See manpage additions. This was requested, sort of. Although what has
been requested might be something completely different. So this is
speculative.
This also changes sub_get_text() to return an allocated copy, because
the buffer shit was too damn messy.
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This does not normally happen. But since the --input-ipc-client option
can pass in raw FDs, it's probably a good thing in the interest of
making mistakes obvious. Without this, it just burned a core on invalid
FDs (poll() always returned immediately).
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As discussed in the referenced issue. This is quite a behavior change,
bit since this option is new, and not included in any releases yet, I
think it's OK.
Fixes: #7648
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Requires zimg.
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when building with rpi EGL is provided by librcmegl library and libEGL
should not be linked then
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