| Commit message (Collapse) | Author | Age | Files | Lines |
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These can never be uninitialized because the enum cases are exhaustive and
the fallback is in the correct order, but GCC is too dumb to understand
this.
Also explicitly initialize tex_type, because while GCC doesn't warn
about it (for some reason), maybe it will in the future.
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Changing the headers was actually forgotten in the previous commit.
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All authors of the current code have agreed.
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All authors agreed.
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Apparently people are running into the current limit. 64 ought to be
enough for everybody.
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Moves the DXLockObjectsNV call to after PresentEx. This fixes an issue
where the presented image is a single frame late. This may be due to
DXLockObjectsNV locking the render target before StretchRect is done.
The spec indicates that the lock call should provide synchronization
for the resource, so this may be due to a driver bug.
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The printout of available modes that you can get with --drm-mode=-1
(with -vo drm or --opengl-backend=drm) does not include the refresh
rate in the printout, which is quite useful to know, if one is to
choose for instance 23.98, or 24 Hz for film material.
Signed-off-by: wm4 <wm4@nowhere>
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Apparently this is virtually identical to Panasonic's V-Log, but using
the constants from S-Log1 and an extra scaling coefficient to make the
S-Log1 curve less limited. Whatever floats their NIH boat, I guess.
Source: https://pro.sony.com/bbsccms/assets/files/micro/dmpc/training/S-Log2_Technical_PaperV1_0.pdf
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Source: https://pro.sony.com/bbsccms/assets/files/mkt/cinema/solutions/slog_manual.pdf
Not 100% confident in the implementation since the values from the spec
seem to be very subtly off (~1%), but it should be close enough for
practical purposes.
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The S-Log "matching" colorspace
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This preserves channel balance better and helps reduce discoloration due
to nonlinear tone mapping.
I wasn't sure whether to stuff this inside pass_color_manage or
pass_tone_map but decided for the former because adding the extra
mp_csp_prim would have made the signature of the latter longer than
80col, and also because the `mp_get_cms_matrix` below it basically does
the same thing anyway, so it doesn't look that out of place. Also why is
this justification longer than the actual description of the algorithm
and what it's good for?
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This prevents nasty surprises like the sig-peak still being left at 1.0
when reinterpreting SDR as HDR, or the OOTF for HLG being left as
display-referred.
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This introduces (yet another..) mp_colorspace members, an enum `light`
(for lack of a better name) which basically tells us whether we're
dealing with scene-referred or display-referred light, but also a bit
more metadata (in which way is the scene-referred light expected to be
mapped to the display?).
The addition of this parameter accomplishes two goals:
1. Allows us to actually support HLG more-or-less correctly[1]
2. Allows people playing back direct “camera” content (e.g. v-log or
s-log2) to treat it as scene-referred instead of display-referred
[1] Even better would be to use the display-referred OOTF instead of the
idealized OOTF, but this would require either native HLG support in
LittleCMS (unlikely) or more communication between lcms.c and
video_shaders.c than I'm remotely comfortable with
That being said, in principle we could switch our usage of the BT.1886
EOTF to the BT.709 OETF instead and treat BT.709 content as being
scene-referred under application of the 709+1886 OOTF; which moves that
particular conversion from the 3dlut to the shader code; but also allows
a) users like UliZappe to turn it off and b) supporting the full HLG
OOTF in the same framework. But I think I prefer things as they are
right now.
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st2084 and std-b67 are really weird names for PQ and HLG, which is what
everybody else (including e.g. the ITU-R) calls them. Follow their
example.
I decided against naming them bt2020-pq and bt2020-hlg because it's not
necessary in this case. The standard name is only used for the other
colorspaces etc. because those literally have no other names.
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MaxCLL is the more authoritative source for the metadata we are
interested in. The use of mastering metadata is sort of a hack anyway,
since there's no clearly-defined relationship between the mastering peak
brightness and the actual content. (Unlike MaxCLL, which is an explicit
relationship)
Also move the parameter fixing to `fix_image_params`
I don't know if the avutil check is strictly necessary but I've included
it anyway to be on the safe side.
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List of changes:
1. Kill nom_peak, since it's a pointless non-field that stores nothing
of value and is _always_ derived from ref_white anyway.
2. Kill ref_white/--target-brightness, because the only case it really
existed for (PQ) actually doesn't need to be this general: According
to ITU-R BT.2100, PQ *always* assumes a reference monitor with a
white point of 100 cd/m².
3. Improve documentation and comments surrounding this stuff.
4. Clean up some of the code in general. Move stuff where it belongs.
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"Almost" because this might contain copyright by michael, who agreed
with LGPL, but only once the core is LGPL. This is preparation for that
to happen.
Apart from that, the usual remarks apply. In particular, dec_video.c
started out quite chaotic with no modularization, but was later
basically gutted, and in general rewritten a bunch of times. Not going
to give a history lesson.
Special attention needs to be given to 3 patches by cehosos, who did not
agree to the relicensing:
240b743ebdf: --field-dominance
e32cbbf7dc3: reinit VO if aspect ratio changes
306f6243fdf: use container aspect if codec aspect unset (?)
The first patch is pretty clearly still in the current code, and needs
to be disabled for LGPL.
The functionality of the second patch is still active, but implemented
completely different, and as part of general frame parameter changes (at
the time of the patch, MPlayer already reinitialized the VO on frame
size and pixel format changes - all this was merged into a single check
for changing image parameters).
The third patch makes me a bit more uncomfortable. It appears the code
was moved to dec_video.c in de68b8f23c8c, and further changed in
82f0d373, 0a0bb905, and bf13bd0d. You could claim that cehoyos'
copyright still sticks. Fortunately, we implement alternative aspect
detection, which is simpler and probably preferable, and which arguably
contains none of the original code and logic, and thus should be fully
safe.
While I don't know if cehoyos' copyright actually still applies, I'm
more comfortable with making the code GPL-only for now. Also change the
default to use the (in future) plain LGPL code, and deprecate the one
associated with the GPL code, so we can eventually remove the GPL code.
But it's also possible we decide that the copyright doesn't apply, and
undo the deprecation and GPL guards.
I expect that users won't notice anything. If you ask me, the old aspect
method was probably an accidental bug instead of intentional behavior.
Although, the new aspect method was broken too, so I had to fix it.
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image_writer.c has code originating from vf_screenshot.c, vo_jpeg.c, and
potentially others. vo_image.c is based on a bunch of those VOs as well,
and the intention was to replace them with a single codebase.
vo_tga.c was written by someone who was not or not could be contacted,
but it doesn't matter anyway, as no code from that initial patch was
used.
One rather old patch (57f77bb41a9) reordered by libjpeg patch API calls,
and the author of the patch was not contacted. But at least with the
smoothing_factor override removed, this pretty much exactly corresponds
to the official libjpeg API example (and might even reflect a change to
those - didn't dig deeper). This removes the -jpeg-smooth option. While
we're at it, remove all the other dropped jpeg options from the manpage
(which was forgotten in past changes).
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The problem with fmt-conversion.h is that "lucabe", who disagreed with
LGPL, originally wrote it. But it was actually rewritten by "reimar"
later. The original switch statement was replaced with a lookup table.
No code other than the imgfmt2pixfmt() function signature survives.
Neither the format pairs (PIXFMT<->IMGFMT), nor the concept of mapping
them, can be copyrighted.
So changing the license should be fine, because reimar and all other
authors involved with the new code agreed to LGPL.
We also don't consider format pairs added later as copyrightable.
(The direct-mapping idea mentioned in the "Copyright" file seems
attractive, and I might implement in later anyway.)
Likewise, there might be some format names added to img_format.h, which
are not covered by relicensing agreements. These all affect "later"
additions, and they follow either the FFmpeg PIXFMT naming or some other
pre-existing logic, so this should be fine.
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vo_opengl uses those automatically via pixdesc.
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This file is an leftover from when img_format.h was changed from using
the ancient FourCCs (based on Microsoft multimedia conventions) for
pixel formats to a simple enum. The remaining cases still inherently
used FourCCs for whatever reasons.
Instead of worrying about residual copyrights in this file, just move it
into code we don't want to relicense (the ancient Linux TV code). We
have to fix some other code depending on it. For the most part, we just
replace the MP_FOURCC macro with libavutil's MKTAG (although the macro
definition is exactly the same). In demux_raw, we drop some pre-defined
FourCCs, but it's not like it matters. (Instead of
--demuxer-rawvideo-format use --demuxer-rawvideo-mp-format.)
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It was an attempt to move some MPlayer filters (which were removed from
mpv) to external, loadable filters. That worked well, but then the
MPlayer filters were ported to libavfilter (independently), so they're
available again. Also there is a more widely supported and more advanced
loadable filter system supported by mpv: vapoursynth.
In conclusion, vf_dlopen is not useful anymore, confusing, and requires
quite a bit of code (and probably wouldn't survive the rewrite of the
mpv video filter chain, which has to come at some point). It has some
implicit dependencies on internal conventions, like possibly the format
names dropped in the previous commit.
We also deprecated it last release. Drop it.
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Not needed anymore.
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All relevant authors have agreed.
Also correct an unrelated entry in the "Copyright" file.
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Quite chaotic history, which code being moved, refactored, duplicated,
unified a bunch of times. But I think everything is covered by LGPL
agreements.
In one case, cehoyos (who didn't agree) applied a patch by someone who
agreed, but didn't change anything (except weirdly adding German
translations). In another case, cehoyos moved code covered by LGPL
agreements (without changing it), which was later used for some other
code. We consider both cases not relevant for copyright.
win_state.c/.h is similar, but pending for reply by the author of
2ab259e68 (I guess).
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In GLES 2 mode, we can do dither, but "fruit" dithering is still out of
the question, because it does not support any high depth textures.
(Actually we probably could use an 8 bit texture too for this, at least
with small matrix sizes, but it's still too much of a pain to convert
the data, so why bother.)
This is actually a regression; before this, forcibly enabling dumb mode
due to low GL caps actually happened to avoid this case.
Fixes #4519.
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Since michael was somewhat involved in it, wait with the actual license
change until the core is relicensed. Thus mark it as "Almost LGPL.".
The worrisome part about mp_image.c is that it was created by cehoyos
(which disagreed with LGPL) in commit f2dee327b2797. But it turns out it
was a patch by someone else (who agreed with LGPL).
For some reason, the patch was actually slightly modified by cehoyos for
no reason (messed with the include statements), so we mess them back,
just to be sure.
Other than this, there were some commits that added support for new
IMGFMTs over the years. Some of these were by people we didn't ask or we
didn't get permission from. But since the original mp_image code was
replaced by more generic code using FFmpeg pixdesc, none of these
changes are left anyway.
One additional change by cehoyos (115bfb976270) has been removed as well
(when "direct rendering" was dropped from the filter chain).
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iive agreed only to LGPL 3.0+ only. All of his relevant changes are for
XvMC, for which mpv completely dropped support back in mplayer2 times.
But you could claim that the get_format code represents some residual
copyright (everything else added by iive was removed, only get_format
still is around in some form). While I doubt that this is relly
copyright-relevant, consider it is for now.
michael is the original author of vd_lavc.c, so this file can become
LGPL only after the core becomes LGPL.
cehoyos did not agree with the LGPL relicensing, but all of his code is
gone.
Some others could not be reached, but their code is gone as well. In
particular, vdpau support, which was originally done by Nvidia, had
larger impact on vd_lavc.c, but vdpau support was first refactored a few
times (for the purpose of modularization) and moved to different files,
and then decoding was completely moved to libavcodec.
Lastly, assigning the "opaque" field was moved by Gwenole Beauchesne in
commit 8e5edec13eab. Agreement is pending (due to copyright apparently
owned by the author's employer). So just undo the change, so we don't
have to think about whether the change is copyrightable.
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d8a3b10f4 was supposed to change this (as reflected in the man page and
commit message), I just forgot.
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I call it `mobius` because apparently the form f(x) = (cx+a)/(dx+b) is
called a Möbius transform, which is the algorithm this is based on. In
the extremes it becomes `reinhard` (param=0.0 and `clip` (param=1.0),
smoothly transitioning between the two depending on the parameter.
This is a useful tone mapping algorithm since the tunable mobius
transform allows the user to decide the trade-off between color accuracy
and detail preservation on a continuous scale. The default of 0.3 is
already far more accurate than `reinhard` while also being reasonably
good at preserving highlights, without suffering from the overall
brightness drop and color distortion of `hable`.
For these reasons, make this the new default. Also expand and improve
the documentation for these tone mapping functions.
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This could happen with some "special" hwaccel formats, that exist in
mpv, but not libavutil.
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Unfortunately quite a mess, in particular due to the need to have some
compatibility with the old API. (The old API will be supported only in
short term.)
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When the drm video output is used under VT with a terminal multiplexer
like screen, the VT_SETMODE ioctl call will fail since the controlling
terminal is a pseudoterminal instead of a real one, thus the VT switcher
will be unavailable.
The problem is, the wait_events function inside vo_drm.c will test for
this, and will do nothing if the switcher is not active. Normally, this
would not be noticed, however, when you pause a video, or if you're playing
multiple image files, mpv will suddenly start busy waiting on a single
core.
I confirmed this by building mpv with gprof support, in a few seconds,
wait_events got called about 90 million times.
So I added a fallback, when the VT switcher is not availble, just use the
vo_wait_default function. I tested it and it's working well so far.
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In a multi GPU scenario, it may be desirable to use different GPUs
for decode and display responsibilities. For example, if a secondary
GPU has better video decoding capabilities.
In such a scenario, we need to initialise a separate context for each
GPU, and use the display context in hwdec_cuda, while passing the
decode context to avcodec.
Once that's done, the actually hand-off between the two GPUs is
transparent to us (It happens during the cuMemcpy2D operation which
copies the decoded frame from a cuda buffer to the OpenGL texture).
In the end, the bulk of the work is around introducing a new
configuration option to specify the decode device.
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Add the "lavfi-" prefix (details see manpage additons).
Tag the filter name as "(lavfi)" in the verbose filter list output.
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The new API has literally no advantages (other than that we can drop
mp_vt_download_image and other things later), but it's sort-of uniform
with the other hwaccels.
"--videotoolbox-format=no" is not supported with the new API, because it
doesn't "fit in". Probably could be added later again.
The iOS code change is untested (no way to test).
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It's not really guaranteed that other components always set this (e.g.
on subtle errors), so check it explicitly. Although I'm not aware of a
failing case.
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The first is outdated, the second was always wrong.
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This is an old pseudo codec to pass through the pixel format. Setup a
suitable AVCodecParameter directly instead, so the "rawvideo" codec can
be used.
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when quitting mpv during the System fullscreen animation cocoa can't
reset some flags properly and won't reset the Dock hiding behaviour
to it's previous state.
Fixes #4400
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If vo_opengl is used, and vo_opengl already created the vdpau interop
(for whatever reasons), and then preemption happens, and then you try to
enable hw decoding, it failed. The reason was that preemption recovery
is not run at any point before libavcodec accesses the vdpau device.
The actual impact was that with libmpv + opengl-cb use, hardware
decoding was permanently broken after display mode switching (something
that caused the display to get preempted at least with older drivers).
With mpv CLI, you can for example enable hw decoding during playback,
then disable it, VT switch to console, switch back to X, and try to
enable hw decoding again.
This is mostly because libav* does not deal with preemption, and NVIDIA
driver preemption behavior being horrible garbage. In addition to being
misdesigned API, the preemption callback is not called before you try to
access vdpau API, and then only with _some_ accesses.
In summary, the preemption callback was never called, neither before nor
after libavcodec tried to init the decoder. So we have to get
mp_vdpau_handle_preemption() called before libavcodec accesses it. This
in turn will do a dummy API access which usually triggers the preemption
callback immediately (with NVIDIA's drivers).
In addition, we have to update the AVHWDeviceContext's device. In theory
it could change (in practice it usually seems to use handle "0").
Creating a new device would cause chaos, as we don't have a concept of
switching the device context on the fly. So we simply update it
directly. I'm fairly sure this violates the libav* API, but it's the
best we can do.
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This was broken in e0250b9604b2. In some cases, device creation will
succeed, but creating an EGL context on the device will fail. With
--angle-renderer=auto, it should try to create the context again on a
D3D9 device.
This fixes mpv in Windows Vista on VirtualBox for me.
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This was added in 3f268cc4f2a4 because it wasn't clear whether
WM_NCCREATE could be used to send a context pointer from CreateWindowEx
to the window procedure. WM_NCCREATE isn't always the first message sent
to a window, but this seems to be because of an undocumented but
well-known bug where, for top-level overlapped windows, a spurious
WM_GETMINMAXINFO arrives first instead. The WM_GETMINMAXINFO can be
safely ignored, so it is still okay to pass the context struct in
WM_NCCREATE.
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`cmax` is more intuitive than `cmin` especially for full-range YUV, and
this also explains the behavior of `anyfull` better.
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mpv's mouse button numbering is based on X11, which means XBUTTON1 and 2
on Windows (the "back" and "forward" buttons) should map to MOUSE_BTN7
and 8 in mpv. MOUSE_BTN5 and 6 refer to the horizontal scroll buttons on
mouses that have them.
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