| Commit message (Collapse) | Author | Age | Files | Lines |
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There's really no reason not to do this especially since sub-codepage
already defaults to auto. Also change logging in charset_conv since
telling us that the data is UTF-8 if the passed codepage value is "auto"
or "utf-8" is really not useful information (that's the expectation).
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wm4 removed this in 4adfde5dd1e67775228a345cea00ea03ba6bc68f and left a
warning. Nobody needs to know that enca:pl used to work.
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If mp_iconv_to_utf8 was given an empty string to convert in the buf
parameter it would corrupt memory when writing a null into outbuf
before returning it to the caller. This happened when streaming from a
URL that ends in a slash. For such a URL the method mp_basename returns
an empty string. The method append_dir_subtitles passes the result
returned from mp_basename to mp_iconv_to_utf8 which then corrupts
memory. This was detected using Guard Malloc. The fix changes
mp_iconv_to_utf8 check up front if buf is empty and if it is return
buf as the result in compliance with the documented behavior of the
method when no conversion is needed.
Fixes #11626
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several unicode characters can be encoded in two different ways, either
in a precomposed (NFC) or decomposed (NFD) representation. everywhere
besides on macOS, specifically HFS+, precomposed strings are being used.
furthermore on macOS we can get either precomposed or decomposed
strings, for example when not HFS+ formatted volumes are used. that can
be the case for network mounted devices (SMB, NFS) or optical/removable
devices (UDF). this can lead to an inequality of actual equal strings,
which can happen when comparing strings from different sources, like the
command line or filesystem. this makes it mainly a problem on macOS
systems.
one case that can potential break is the sub-auto option. to prevent
that we convert the search string as well as the string we search in to
the same normalised representation, specifically we use the decomposed
form which is used anywhere else.
this could potentially be a problem on other platforms too, though the
potential of occurring is very minor. for those platforms we don't
convert anything and just fallback to the input.
Fixes #4016
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For display purposes, it's better to show scrambled text - at least
that's a more actionable failure mode than spamming the terminal with
FFmpeg nonsense error messages.
This avoids the obnoxious and pointless
"Invalid UTF-8 in decoded subtitles text; maybe missing -sub_charenc option"
FFmpeg error, which will be spammed on every single subtitle event. We
don't even have a -sub-charenc option, fuck FFmpeg.
Did I mention fuck FFmpeg yet? Because fuck FFmpeg.
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Because it's the most commonly used one, and trivial to support.
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Tried to open iconv with "auto" as source codepage, instead of using
the latin1 fallback. This also neutralizes the libavcodec dumbass
UTF-8 check, which discards subtitles not in UTF-8 and shows an
error message for ffmpeg CLI instead.
Fixes #3954.
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As documented in interface-changes.rst. This makes it much easier to
follow what the heck is going on.
Whether this is adequate for real-world use is unknown.
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Enca is dead. libguess is relatively useless due to not having an
universal detection mode. On the other hand, libuchardet is actively
developed.
Manpages changes in the following commit.
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iconv distinguishes between euc-kr and cp949, while libguess
and libuchardet doesn't (only returns euc-kr). EILSEQ occurs
when the input encoding of iconv is set to euc-kr and if the subs
contain letters not included in euc-kr. Since cp949 is a extension
of euc-kr, choose cp949 instead.
Signed-off-by: wm4 <wm4@nowhere>
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This covers source files which were added in mplayer2 and mpv times
only, and where all code is covered by LGPL relicensing agreements.
There are probably more files to which this applies, but I'm being
conservative here.
A file named ao_sdl.c exists in MPlayer too, but the mpv one is a
complete rewrite, and was added some time after the original ao_sdl.c
was removed. The same applies to vo_sdl.c, for which the SDL2 API is
radically different in addition (MPlayer supports SDL 1.2 only).
common.c contains only code written by me. But common.h is a strange
case: although it originally was named mp_common.h and exists in MPlayer
too, by now it contains only definitions written by uau and me. The
exceptions are the CONTROL_ defines - thus not changing the license of
common.h yet.
codec_tags.c contained once large tables generated from MPlayer's
codecs.conf, but all of these tables were removed.
From demux_playlist.c I'm removing a code fragment from someone who was
not asked; this probably could be done later (see commit 15dccc37).
misc.c is a bit complicated to reason about (it was split off mplayer.c
and thus contains random functions out of this file), but actually all
functions have been added post-MPlayer. Except get_relative_time(),
which was written by uau, but looks similar to 3 different versions of
something similar in each of the Unix/win32/OSX timer source files. I'm
not sure what that means in regards to copyright, so I've just moved it
into another still-GPL source file for now.
screenshot.c once had some minor parts of MPlayer's vf_screenshot.c, but
they're all gone.
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When libuchardet returns an empty string, it can be either ASCII, UTF-8,
or an unknown encoding. Try to distinguish it from the unknown case by
checking for UTF-8. This avoids an annoying message, and avoids
unnecessary processing (we convert invalid UTF-8 sequences to latin1 to
workaround libavcodec's braindead UTF-8 check).
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Slightly simpler, and removes the need to pre-read all subtitle packets.
This still does the subtitle charset conversion on the packet level
(instead converting when parsing the file), so in theory this still
could provide a way to change the charset at runtime. But maybe even
this should be removed, as FFmpeg is somewhat likely to get its own
charset detection and conversion mechanism in the future. (Would have
to keep the subtitle file in memory to allow changing the charset on
the fly, I guess.)
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This loaded external .ass files via libass. libavformat's .ass reader is
now good enough, so use that instead.
Apparently libavformat still doesn't support fonts embedded into text
.ass files, but support for this has been accidentally broken in mpv for
a while anyway. (And only 1 person complained.)
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Fixes e.g --sub-codepage=utf8:gb18030 if the subtitle us UTF-8.
This was broken in commit e5d31808.
Also log the detected charset in verbose mode.
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Some charsets can look like valid UTF-8, but aren't UTF-8. One example
is ISO-2022-JP. While ENCA apparently likes to get misdetect real UTF-8,
this is not the case with uchardet. uchardet can detect ISO-2022-JP
correctly, but didn't even get to try, because our own UTF-8 check
succeeded. So run the UTF-8 check when using ENCA only.
Fixes #2195.
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If mpv is not built with uchardet, "enca" is still the fallback default
encoding detection.
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Fixes #2186.
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For now, it needs to be explicitly selected. ENCA is still the default.
This assumes uchardet returns iconv names. This doesn't seem to be
always the case, and the result are lots of iconv errors. So
explicitly check for this situation, and print a warning if it
occurs. It's entirely possible that uchardet support is actually
useless, because names are not necessarily iconv-compatible (but
uchardet doesn't seem to document whether it attempts to return
iconv-compatible names if possible).
Fixes #908.
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uchardet is written in C++, and thus doesn't appreciate the value of
using static strings, and internally stores the guessed charset as
allocated std::string. Add a minimal hack to deal with this. (I don't
appreciate that the code is potentially harder to understand by
returning either a static or allocated string, but I do appreciate for
not having to litter the existing code with strdups.)
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Useful for Windows stuff. Actually, ENCA support should catch this, but,
well, whatever, everyone seems to hate ENCA.
Detection with BOM is trivial, although it needs some hackery to
integrate it with the existing autodetection support. For one, change
the default value of --sub-codepage to make this easier.
Probably fixes issue #937 (the second part).
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It happens to work without strings.h on glibc or with _GNU_SOURCE, but
the POSIX standard requires including <strings.h>.
Hopefully fixes OSX build.
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