| Commit message (Collapse) | Author | Age | Files | Lines |
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Faster and more efficient than string concat with large playlists.
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Close #5003
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This will help with things like livestreams.
As a minor detail, subtitles are excluded, because they sometimes have
"unused" events after video and audio ends. To avoid this annoying
corner case, just ignore them.
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Before this change and before the seekable stream cache became a thing,
we could possibly seek using the stream cache. But we couldn't know
whether the seek would succeed. We knew the available byte range, but
could in general not tell whether a demuxer would stay within the range
when trying to seek to a specific time position. We preferred to have
safe defaults, so seeking in streams that were detected as unseekable
were not honored. We allowed overriding this via --force-seekable=yes,
in which case it depended on your luck whether the seek would work, or
the player crapped its pants.
With the demuxer packet cache, we can tell exactly whether a seek will
work (at least if there's only 1 seek range). We can just let seeks go
through. Everything to allow this is already in place, and this commit
just moves around some minor things.
Note that the demux_seek() return value was not used before, because low
level (i.e. network level) seeks are usually asynchronous, and if they
fail, the state is pretty much undefined. We simply repurpose the return
value to signal whether cache seeking worked. If it didn't, we can just
resume playback normally, because demuxing continues unaffected, and no
decoder are reset.
This should be particularly helpful to people who for some reason stream
data into stdin via streamlink and such.
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In commit 1199c1e3, we added checks to every libarchive API call to make
sure the archive was closed on ARCHIVE_FATAL - otherwise, libarchive
could endow us with free CVEs (such as it apparently happens when you
continue reading a rar archive that uses features not yet supported by
libarchive).
This broke the fallback for seeking in unseekable archive formats. Of
course libarchive won't tell us directly whether a format implementation
has seek support or not - and OF COURSE it returns ARCHIVE_FATAL if it
has no seek support. (The error string, which you can retrieve via API,
is actually more detailed, and also claims it's an "internal error". I
don't think so, libarchive.) Returning ARCHIVE_FATAL means we have to
assume free CVEs are ahead, and we have to close the archive. Which
breaks the fallback in a dumb way (we have no way of telling which of
those cases happened anyway).
Fix this by assuming that all seek errors are potentially due to lack of
seek support. If the seek call fails, reopen the archive, and set a flag
so the seek API is never tried again. (This means we can still skip
ahead for forward seeks, which is more efficient than skipping from the
start of the archive entry.)
Also fix an old typo in an error message.
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This just put the cache into an endless loop. This can happen simply if
any seek call of the underlying stream returns an error.
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These idiots have no idea how to design a library, so we’ll have
to work around their bullshit for now.
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There is no reason not to do this, and probably saves the user some
trouble.
Mostly untested.
Closes #5272.
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Caused by the relatively recent change to packet parsing. This time it
was probably triggered by lace type 0, which reduces the byte length of
a 0 sized packet to 3 (timestamp + flag) instead of 4 (lace count for
other lace types). The thing about laces is just my guess why it worked
for other 0 sized packets, though.
Also remove the redundant and now incorrect check below.
Fixes #5271.
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This log line tells us why the demuxer is trying to read more, which us
useful when debugging queue overflows. Probably barely useful, but I
think keeping that flag separately also makes the code slightly easier
to understand.
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Same as previous commit, but for the OSC.
(A bit of a waste to request demuxer-cache-state at least twice per
frame, but the OSC queries so many properties it probably doesn't matter
anymore.)
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I don't want to add another field to display stream and demuxer cache
separately, so just add them up. This strangely makes sense, since the
forward buffered stream cache amount consists of data not read by the
demuxer yet. (If the demuxer cache has buffered the full stream, the
forward buffered stream cache amount is 0.)
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Reduce it from 75MB in both directions (forward/backwards) to 10MB each.
The stream cache is kind of becoming useless in favor of the demuxer
cache. Using both doesn't make much sense, because they will contain
duplicated data for no reason.
Still leave it at 10MB, which may help with mp4 a bit. libavformat's mp4
demuxer tends to seek too much, so we try to avoid triggering network
level seeks by having some caching in the stream layer.
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Set it to 10 hours, which is practically unlimited. (Avoiding use of
"inf", since that might interact strangely with the option parser and
such.)
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This fixes weird behavior in the following case:
- open a file
- make sure the max. demuxer forward cache is smaller than the
file's video track
- make sure the max. readahead duration is larger than the file's
duration
- disable the audio track
- seek to the beginning of the file
- once the cache has filled enable the audio track
- a queue overflow warning should appear
(- looking at the seek ranges is also interesting)
The queue overflow warning happens because the packed queue for the
video track will use up the full quota set by --demuxer-max-bytes. When
the audio track is enabled, reading an audio packet would technically
overflow the packet cache by the size of whatever packet is read next.
This means the demuxer signals EOF to the decoder, and once playback has
consumed enough video packets so that audio packets can be read again,
the decoder resumes from EOF. This interacts badly with A/V
synchronization and the whole thing can randomly crap itself until audio
has fully recovered.
We didn't care about this so far, but we want to raise the readahead
duration to something very high, so that the demuxer cache is fully
used. This means this case can be hit quite quickly by switching audio
or subtitle tracks, and is not really an obscure corner case anymore.
Fix this by always losing all cache. Since the cache can't be used
anyway until the newly selected track has been read, this is not much of
a disadvantage. The only thing that could be brought up is that
unselecting the track again could resume operation normally. (Maybe this
would be useful if network died completely without chance of recovery.
Then you could watch the already buffered video anyway by deselecting
the audio track again.) But given the headaches, this seems like the
better solution.
Unfortunately this requires adding new new strange fields and strangely
fragmenting state management functions again. I'm sure whoever works on
this in the future will hate me. Currently it seems like the lesser
evil, and much simpler and robust than the other potential solutions.
In case this needs to be revisited, here is a reminder for readers from
the future what alternative solutions were considered, without those
disadvantages:
A first attempted solution allowed the demuxer to buffer some additional
packets on track switching. This would allow it to read enough data to
feed the decoder at least. But it was still awkward, as it didn't allow
the demuxer to continue prefetching the newly selected track. It also
barely worked, because you could make the forward buffer "over full" by
seeking back with seekable cache enabled, and then it couldn't read
packets anyway.
As alternative solution, we could always demux and cache all tracks,
even if they're deselected. This would also not require a network-level
seek for the "refresh" logic (it's the thing that lets the video decoder
continue as if nothing happened, while actually seeking back in the
stream to get the missing audio packets, in the case of enabling a
previously disabled audio track). But it would also possibly waste
network and memory resources, depending on what the user actually wants.
A second solution would just account the queue sizes for each stream
separately. We could freely fill up the audio packet queue, even if the
video queue is full. Since the demuxer API returns interleaved packets
and doesn't let you predict which packet type comes next, this is not as
simple as it sounds, but it'd probably tie in nicely with the "refresh"
logic.
A third solution would be removing buffered video packets from the end
of the packet queue. Since the "refresh" logic gets these anyway, there
is no reason to keep them if they prevent the audio packet queue from
catching up with the video one. But this would require additional logic,
would interact badly with a bunch of other corner cases. And as far as
the code goes, it's rather complex, because all the logic is written
with FIFO behavior in mind (including the fact that the packet queue is
a singly linked list with no backwards links, making removal from the
end harder).
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Signed-off-by: Stefano Pigozzi <stefano.pigozzi@gmail.com>
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Some old crap which nobody needs and which probably nobody uses.
This relies on a GCC extension: using "## __VA_ARGS__" to remove the
comma from the argument list if the va args are empty. It's supported
by clang, and there's some chance newer standards will introduce a
proper way to do this. (Even if it breaks somewhere, it will be a
problem only for 1 release, since I want to drop the deprecated
properties immediately.)
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Using a string caused all 4 flags to be passed as one argument, causing
the build to fail when trying to include bcm_host.h.
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Libav has been broken due to the hwdec changes. This was always a
temporary situation (depended on pending patches to be merged), although
it took a bit longer. This also restores the travis config.
One code change is needed in vd_lavc.c, because it checks the AV_PIX_FMT
for videotoolbox (as opposed to the mpv format identifier), which is not
available in Libav. Add an ifdef; the affected code is for a deprecated
option anyway.
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These were replaced by a different mechanism, but the old fields weren't
removed.
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Fixes vo_mediacodec_embed, which was broken in 80359c6615658f2784
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Pointed out as missing by someone. Not terribly useful, but here we go.
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This hack was part of a solution to VSync judder in desktop OpenGL on
Windows. Rather than using blocking-SwapBuffers(), mpv could use
DwmFlush() to wait for the image to be presented by the compositor.
Since this would only work while the compositor was running, and the
compositor was silently disabled when OpenGL entered exclusive
fullscreen mode, mpv needed a way to detect exclusive fullscreen mode.
The code that is being removed could detect exclusive fullscreen mode by
checking the state of an undocumented mutex using undocumented native
API functions, but because of how fragile it was, it was always meant to
be removed when a better solution for accurate VSync in OpenGL was
found. Since then, mpv got the dxinterop backend, which uses desktop
OpenGL but has accurate VSync. It also got a native Direct3D 11 backend,
which is a viable alternative to OpenGL on Windows.
For people who are still using desktop OpenGL with WGL, there shouldn't
be much of a difference, since mpv can use other API functions to detect
exclusive fullscreen.
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Refactored and split the `reinit_window_state` code into four
separate functions:
- `update_window_style` used to update window styles without
modifying the window rect.
- `fit_window_on_screen` used to adjust the window size when it is
larger than the screen size. Added a helper function `fit_rect` to
fit one rect on another without using any data from w32 struct.
- `update_fullscreen_state` used to calculate the new fullscreen
state and adjust the window rect accordingly.
- `update_window_state` used to display the window on screen with
new size, position and ontop state.
This commit fixes three issues:
- fixed #4753 by skipping `fit_window_on_screen` for a maximized
window, since maximized window should already fit on the screen.
It should be noted that this bug was only reproducible with
`--fit-border` option which is enabled by default. The cause of the
bug is that after calling the `add_window_borders` for a maximized
window, the rect in result is slightly larger than the screen rect,
which is okay, `SetWindowPos` will interpret it as a maximized state
later, so no auto-fitting to screen size is needed here.
- fixed #5215 by skipping `fit_window_on_screen` when leaving fullscreen.
On a multi-monitor system if the mpv window was stretched to cover
multiple monitors, its size was reset after switching back from
fullscreen to fit the size of the active monitor. Also, when changing
`--ontop` and `--border` options, now only the
`update_window_style` and `update_window_state` functions are used,
so `fit_window_on_screen` is not used for them too.
- fixed #2451 by moving the `ITaskbarList2_MarkFullscreenWindow`
below the `SetWindowPos`. If the taskbar is notified about fullscreen
state before the window is shown on screen, the taskbar button could
be missing until Alt-TAB is pressed, usually it was reproducible on
Windows 8.
Other changes:
- In `update_fullscreen_state` the `reset window bounds` debug
message now reports client area size and position, instead of window area
size and position. This is done for consistency with debug messages
in handling fullscreen state above in this function, since they also print
window bounds of the client area.
- Refactored `gui_thread_reconfig`. Added a new window flag `fit_on_screen`
to fit the window on screen even when leaving fullscreen. This is needed
for the case when the new video opened while the window is still in the
fullscreen state.
- Moved parent and fullscreen state checks out from the WM_MOVING to
`snap_to_screen_edges` function for consistency with other functions.
There's no point in keeping these checks out of the function body.
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When window and screen size and position are stored in RECT, it's
much easier to modify them using WinAPI functions.
Added two macros to get width and height of the rect.
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This was off for mpv CLI, but on for libmpv. The motivation behind this
was that it would be confusing for applications if libmpv continued
playback in a severely "degraded" way (without either audio or video),
and that it would be better to fail early.
In reality the behavior was just a confusing difference to mpv CLI, and
has confused actual users as well. Get rid of it.
Not bothering with a version bump, since this is so minor, and it's easy
to ensure compatibility in affected applications by just setting the
option explicitly.
(Also adding the missing next-release-marker in client-api-changes.rst.)
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Using vulkan with --hwdec crashed because of this.
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To match the new Lua helper introduced in
1afdeee1ad8bca1c703e741002fa3b882d162968
Add documentation for both.
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This now logs -v -v by default, instead of -v.
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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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Add missing sections, make order consistent, create a new section for external
links and rename "Manual" link.
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The same idea as in 3723e61 but for OPT_SIZE_BOX now.
Affects options `autofit`, `autofit-larger` and `autofit-smaller`.
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This can happen when ctr->client_api->shutting_down is set to true,
or when there are over 1000 clients with the same name passed to mp_new_client().
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Annoying exception that makes no sense to keep. Normally, users or
client applications will either use --hwdec=auto, or not set the option
at all, which both leads to the expected result.
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This removes the need to keep an explicit list and to attempt to parse
codec names. Needs latest FFmpeg git.
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By default the CreateProcess changes the mouse cursor to
IDC_APPSTARTING. The new flag added to STARTUPINFOEXW prevents
changing the cursor from default arrow on creating a new process.
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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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The OpenType Font File specification recommends that "Collection fonts
that use CFF or CFF2 outlines should have an .OTC extension." mpv
should accept .otc as a fallback extension for font detection should
the mimetype detection fail.
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IETF RFC8081 added the "font" top-level media type,
including font/ttf, font/otf, font/sfnt, and also
font/collection. These font formats are all supported
by mpv/libass but they are not accepted as valid
Matroska mime types. mpv can load them via file extension
and they work as expected, so files using the new types
should not trigger a warning from mpv.
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It has been deprecated for a while and is 100% useless. It was forgotten
in the recent filter purge. Get rid of it.
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The same idea as in 3723e61 but for OPT_GEOMETRY now.
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The same idea as in 3723e61 but for OPT_COLOR now.
Added missing closing bracket in the help message.
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The same idea as in 3723e61 but for OPT_FLAG now.
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mpv doesn't use WM_USER for wakeup events since 91079c0
Updated the comment.
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Full range YUV causes problems everywhere. For example it's usually the
wrong choice when using encoding mode, and libswscale sometimes messes
up when converting to full range too. (In this partricular case, we
found that converting rgba->yuv420p16 full range actually seems to
output limited range.)
This actually restores a similar heueristic from the late vf_scale.c.
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