| Commit message (Collapse) | Author | Age | Files | Lines |
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This makes the condition for including each init match the condition for
compiling the file that defines it.
It's possible to e.g. HAVE_GL and HAVE_VAAPI without HAVE_VAAPI_EGL,
which resulted in "undefined reference to `vaapi_gl_init'" with the old
code.
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Used to contain flags for "save" setting of options at runtime. Now
there is nothing special needed anymore and it's 0. So drop it
completely, and remove anything that distinguishes between runtime and
initialization time.
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Options marked with this flag were changed to strictly read-only after
initialization (mpv_initialize() in the client API, after option parsing
and config file loading with the CLI player).
This used to be necessary, because there was a single option struct that
could be accessed by multiple threads. For example, --config-dir sets
MPOpts.force_configdir, which was read whenever anything accessed the
mpv config dir (which could be on different threads, e.g. font
initialization tries to lookup fonts.conf from an arbitrary thread).
This isn't needed anymore, because threads now access these in a thread
safe way. In the case of --config-dir, the path is actually just copied
on init.
This M_OPT_FIXED mechanism is thus not strictly needed anymore. It still
prevents writing to some options that cannot take effect at runtime, but
even that can be dropped. In general, all mpv options can be changed any
time at runtime, even if they never take effect, and there's no need to
make an exception for a very low number of options. So just get rid of
it.
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It's hard to see what FFmpeg does or what its API requires. It looks
like the alignment in our own allocation code might be slightly too
lenient, but who knows. Even if this is not needed, upping the alignment
only wastes memory and doesn't do anything bad.
(Note that the only reason why we have our own code is because FFmpeg
doesn't even provide it as API. API users are forced to recreate this,
even if they have no need for custom allocation!)
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The "amultiply" filter crashes in AVX mode on unaligned access if an
audio pointer is unaligned (on 32 or 64 bytes I assume).
A requirement that audio data needs to be aligned isn't documented
anywhere. In our case, the data is still sample- and channel-aligned,
which is completely sane. Sure, you can imagine optimizations which make
some algorithms even faster by requiring higher alignment. But, and this
is a big but, you shouldn't crash api users because you just invented a
new undocumented requirement. And even more importantly, your
user-crashing optimization won't matter because it's just a trivial
algorithm working on audio. You don't need to pretend to be an
optimization devil, and nobody will give you a prize for this. But no,
lets random make API users crash (and then probably blame them for it!)
for something that wouldn't matter at all.
Not to mention that they do "document" some requirements on _video_
data, yet their vf_crop probably can still produce unaligned video
pointers. Oh how hilarious that the same documentation also talks about
libswscale alignment requirements. (This is weird because libswscale is
just one of many, many things which consume video data. Also did you
know that zimg, written in C++ and using intrinsics, i.e. the antithesis
to FFmpeg development, is much faster than libswscale, easier to use,
and produces more correct results, even if you ignore that libswscale
flat out doesn't support some very important features?)
Fucking tired of this bullshit. Can't wait until someone comes up with a
better framework than this... (well let's not write this out).
Fix this by copying instead of adjusting the start pointer when skipping
samples. This makes general operations slower just to fix interoperating
with a single filter. Thank you for your "optimization", FFmpeg. Go die
in a fire.
Didn't check whether this is correct. It probably is? If the frame needs
to be copied (due to COW), and memory allocation fails, it just silently
(or audibly lol) doesn't skip samples, because a never-fail function can
suddenly fail. Well, who cares.
Fixes: #7141
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Probably. It's not like these pixel formats are formally specified -
FFmpeg added them because _some_ file format or decoder supports it, and
while that format/codec may define it precisely, the pixel format is
sort of disconnected and just a FFmpeg thing.
In any case, the yuva sample I had at hand uses the full range the
component data type can provide. The old code used the same "shifted"
range as for Y/U/V components, which must have been wrong.
This will not work correctly for packed YUVA formats, but fortunately
they matter even less.
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It's not that we _want_ the log to be on an external site. We just want
the log, somehow. Probably not pasted inline into the issue text.
Also reword the "we are assholes who really want logs" part of the text.
It's a subtle balance between trying to be nice and being a complete
asshole, but no matter what you do, it will always sound like the
latter, so be direct.
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This tests the RGB repacker code in zimg, which deserves to be tested
because it's tricky and there will be more formats.
scale_test.c contains some code that can be used to test any scaler. Or
at least that would be great; currently it can only test repacking of
some byte-aligned-component RGB formats. It should be called
repack_test.c, but I'm too lazy to change the filename now.
The idea is that libswscale is used to cross-check the conversions
performed by the zimg wrapper. This is why it's "OK" that scale_test.c
does libswscale calls.
scale_sws.c is the equivalent to scale_zimg.c, and is of course
worthless (because it tests libswscale by comparing the results with
libswscale), but still might help with finding bugs in scale_test.c.
This borrows a sorted list of image formats from test/img_format.c, for
the same reason that file sorts them.
There's a slight possibility that this can be used to test vo_gpu.c too
some times in the future.
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Hurrr.
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Not sure why it assumes that it always succeeds (although generally it
won't fail).
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Don't know what this was for, but the result doesn't change.
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This is fragile enough that it warrants getting "monitored".
This takes the commented test program code from img_format.c, makes it
output to a text file, and then compares it to a "ref" file stored in
git.
Originally, I wanted to do the comparison etc. in a shell or Python
script. But why not do it in C. So mpv calls /usr/bin/diff as a
sub-process now.
This test will start producing different output if FFmpeg adds new pixel
formats or pixel format flags, or if mpv adds new IMGFMT (either aliases
to FFmpeg formats or own formats). That is unavoidable, and requires
manual inspection of the results, and then updating the ref file.
The changes in the non-test code are to guarantee that the format ID
conversion functions only translate between valid IDs.
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No need to keep them separate. Originally I thought index.c was only
going to contain the list of tests, but that didn't happen.
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Move the test execution above the point where it checks for an empty
playlist and exits if that's the case.
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Defining NDEBUG via CFLAGS is the canonical way to disable assertions in
C. mpv respects this (and ta.c actually disables some debugging
machinery if it's defined).
But for tests, this is not useful at all. So if --enable-tests is passed
to configure, the user must not define NDEBUG, even if the rest of the
player does not care.
(We could just #undef NDEBUG, but let's not. Tests calling into the rest
of the player might depend on asserts there, or so.)
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Kind of more convenient because I'm lazy.
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This stopped doing anything since how many years?
The only actual effect was that af_rubberband was made GPL only. Now it
is available in LGPL builds too.
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Until now, each .c file in test/ was built as separate, self-contained
binary. Each binary could be run to execute the tests it contained.
Change this and make them part of the normal mpv binary. Now the tests
have to be invoked via the --unittest option. Do this for two reasons:
- Tests now run within a "properly" initialized mpv instance, so all
services are available.
- Possibly simplifying the situation for future build systems.
The first point is the main motivation. The mpv code is entangled with
mp_log and the option system. It feels like a bad idea to duplicate some
of the initialization of this just so you can call code using them.
I'm also getting rid of cmocka. There wouldn't be any problem to keep it
(it's a perfectly sane set of helpers), but NIH calls. I would have had
to aggregate all tests into a CMUnitTest list, and I don't see how I'd
get different types of entry points easily. Probably easily solvable,
but since we made only pretty basic use of this library, NIH-ing this is
actually easier (I needed a list of tests with custom metadata anyway,
so all what was left was reimplement the assert_* helpers).
Unit tests now don't output anything, and if they fail, they'll simply
crash and leave a message that typically requires inspecting the test
code to figure out what went wrong (and probably editing the test code
to get more information). I even merged the various test functions into
single ones. Sucks, but here you go.
chmap_sel.c is merged into chmap.c, because I didn't see the point of
this being separate. json.c drops the print_message() to go along with
the new silent-by-default idea, also there's a memory leak fix unrelated
to the rest of this commit.
The new code is enabled with --enable-tests (--enable-test goes away).
Due to waf's option parser, --enable-test still works, because it's a
unique prefix to --enable-tests.
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(But I bet nobody ever reads this anyway.)
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The use of glXGetCurrentDisplay() restricted this to the GLX backend.
But actually it works under EGL as well. Removing the GLX-specific call
and using the general mpv-internal method to get the X "Display" makes
it work in mpv.
I didn't know this. Nvidia didn't list this as extension in the EGL
context when I still used their GPUs.
Note that this might in theory break use of vdpau in some libmpv clients
using the render API. But only if MPV_RENDER_PARAM_X11_DISPLAY is not
used, and they relied on mpv using glXGetCurrentDisplay(). EGL does not
provide such an API, and hwdec_vaapi.c also uses what hwdec_vdpau.c uses
now. Considering that vaapi is preferable these days, it's not bad at
all if these clients get "broken". They can be easily fixed by passing
the display to mpv correctly.
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A while ago. It was 100% useless.
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Some stream inputs may have higher latency with higher buffer sizes, for
example network filesystems via normal OS filesystem interface (these
have to wait until the full buffer is read, which means higher latency).
Probably doesn't matter in practice, but why take chances.
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Another thing nobody will read, or consciously follow.
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It was set, but its value was never used. The stream cache used to use
it, but it was removed. It controlled how much data it tried to read
from the underlying stream at once.
The user can now control the buffer size with --stream-buffer-size,
which achieves a similar effect, because the stream will in the common
case read half of the buffer size at once. In fact, the new default size
is 128KB, i.e. 64KB read size, which is as much as stream_file and
stream_cb requested by default. stream_memory requested more, but it
doesn't matter anyway. Only stream_smb set a larger size with 128KB.
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This is overlay convoluted as a stream control, and important enough to
warrant "first class" functionality.
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The dvdnav API reads in 2K blocks (dvdnav_get_next_block()). The mpv
wrapper (fill_buffer() in this file) expects that the read size done by
the mpv core is at least 2K for this reason. If not, it returns an
error.
This used to be OK, because there was a thing called section alignment
in the core code. This was removed because the core shouldn't suffer
from optical disc idiosyncrasies. Which means that ever since, it has
been working only by coincidence, or maybe not at all.
Fixing this would require keeping a buffer in the priv struct, and
returning it piece by piece if the core makes smaller reads. I have no
intention of writing such code, so add an error message asking for a
patch. If anyone actually cares about DVD, maybe it'll get fixed.
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This isn't really needed, since it doesn't support byte seeking (only
for avoiding that demux_disc fucks up even more if the nested demux_lavf
tries to seek in the TS).
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This is slightly better, although not much, and ultimately doesn't
matter.
The public API in stream_cb.h also uses char*, but can't change that.
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stream_read_peek() duplicated what stream_read_more() checks for anyway
(whether the forward buffer is large enough). This can be skipped by
making the stream_read_more() return value more consistent.
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demux_mkv was the only thing using this, and everything else accessed it
directly. No need to keep the indirection wrapper around.
(Funny how this getter was in the initial commit of MPlayer.)
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For some reason, the first frame displayed on X11 with amdgpu and OpenGL
will be garbled. This is especially visible if the player starts,
displays a frame, but then still takes a while to properly start
playback.
With --interpolation, the behavior somehow changes (usually gets worse).
I'm not sure what exactly is going on, and the code in video.c is way
too abstruse. Maybe there is some slight possibility that a frame with
uncleared contents gets displayed, which somehow also corrupts another
frame that is displayed immediately after that.
If clear is unconditionally run, this somehow doesn't happen, and you
see a video frame. By any logic this shouldn't happen: a video frame
should always overwrite the background. So I can't exclude that this
isn't some sort of driver bug, or at least very obscure interaction.
Clearing should be practically free anyway, so always do it.
Fixes: #7105
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(Only half of the buffer is actually used in a useful way, see manpage
or commit which added the option.)
Might have some advantages with broken network filesystem drivers.
See: #6802
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Was probably worthless, and I can't measure a difference anymore (I used
to be able and it still seemed worth doing so back then).
When the default buffer size is enlarged in the next commit, the inline
buffer probably won't even be useful in theory, because the data will
rarely be on the same page as the other stream fields. It surely makes
the inline buffer seem like a ridiculous micro-optimization. Farewell...
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In some corner cases (see #6802), it can be beneficial to use a larger
stream buffer size. Use this as argument to rewrite everything for no
reason.
Turn stream.c itself into a ring buffer, with configurable size. The
latter would have been easily achievable with minimal changes, and the
ring buffer is the hard part. There is no reason to have a ring buffer
at all, except possibly if ffmpeg don't fix their awful mp4 demuxer, and
some subtle issues with demux_mkv.c wanting to seek back by small
offsets (the latter was handled with small stream_peek() calls, which
are unneeded now).
In addition, this turns small forward seeks into reads (where data is
simply skipped). Before this commit, only stream_skip() did this (which
also mean that stream_skip() simply calls stream_seek() now).
Replace all stream_peek() calls with something else (usually
stream_read_peek()). The function was a problem, because it returned a
pointer to the internal buffer, which is now a ring buffer with
wrapping. The new function just copies the data into a buffer, and in
some cases requires callers to dynamically allocate memory. (The most
common case, demux_lavf.c, required a separate buffer allocation anyway
due to FFmpeg "idiosyncrasies".) This is the bulk of the demuxer_*
changes.
I'm not happy with this. There still isn't a good reason why there
should be a ring buffer, that is complex, and most of the time just
wastes half of the available memory. Maybe another rewrite soon.
It also contains bugs; you're an alpha tester now.
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This is something relatively frequently needed, and there must be half a
dozen ad-hoc implementations in mpv. The next commit uses this, the
suspected duplicate implementations are hiding.
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The old code made it depend on ->seekable. If it isn't seekable, and
something discarded the data, then it'll just show an error message,
which will at least be somewhat informative. If no data was discarded,
the seek call is always a no-op.
There's a weird "timeline" condition in the old code; this doesn't
matter anymore, because timeline stuff does not pass streams down to
nested demuxers anymore.
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tv:// and pvr:// are gone, DVD almost. The former didn't really have any
uses left, except webcams. Provide a replacement example for that.
We don't need a separate section for DVD. If you use DVD, you're on your
own. There's still enough documentation left to puzzle things together
even if you don't read the source code.
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This was renamed ages ago. Fix the outdated usage. Except where
opengl-cb was correct.
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Fixes: #7118
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Not like anyone reads it. Although putting all this text before listing
the allowed option values sort of has the intention to discourage users
from using the option at all. Advertise Ctrl+h, which is a decent way of
enabling hardware decoding temporarily.
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This was pretty vague. Add some context, and explicitly mention how
these options now affect screenshots.
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They were used at some point, but then fell into disuse. In general,
these old flags are all a bit fuzzy, so it's a good idea to remove them
as much as possible.
The comment about MP_IMGFLAG_PAL isn't true anymore. The old meaning was
deprecated at some point, and the flag was removed from "pseudo
paletted" formats. I think mpv at one point changed its own flag from
AV_PIX_FMT_FLAG_PSEUDOPAL to AV_PIX_FMT_FLAG_PAL, when the former was
deprecated, and it became unnecessary to allocate a palette for
non-paletted formats. (The one who deprecated in FFmpeg was me, if you
wonder.)
MP_IMGFLAG_PLANAR was used in command.c, use a relatively similar flag
as replacement.
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This is slightly helpful for testing, and otherwise useless and without
consequence.
I'm not using the correct output format and using IMGFMT_RGB0 as
placeholder. This doesn't matter currently, as both sws and zimg support
this as output (and support any input for it). I'm doing this because
it's surprisingly tricky to get the correct output format at this point,
without digging deeper into x11 shit or refactoring parts of the VO. I
don't care enough about this.
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Seems like this was needed in 2012. The comment indicates the bug was
fixed in ffmpeg git, so it's long gone.
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