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This code comes from clone2727's now defunct (?) ac3 branch.
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Because scumm_strdup(), unlike strdup(), allocates strings with
new, not malloc(). (CID 1395228, 1395233, 1395235, 1395236)
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The function signature for these functions was changed from (char *) to
(const char *) in the v1.1.7 release, so compiling against
Fluidsynth v1.1.6 or earlier requires the copying of the strings to
prevent compilation errors such as "error: invalid conversion from
'const char*' to 'char*'".
Normally, we would break compatibility with older versions as platforms
should be using the latest Fluidsynth v1.X release of v1.1.11.
However, since this is trivial to fix and prevents breakage for legacy
platforms, am restoring the string duplication with scumm_strdup().
Apart from this, we should look at the Fluidsynth v2.X releases
currently in RC testing as the API is now changed for this.
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As discussed on the mailing list we should use title capitalization
only for push buttons and tabs and use sentence capitalization for
everything else.
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The OPL2LPT is an OPL2 chip plugged on a parallel port. It is
write-only but otherwise acts as a classic AdLib. This commit adds
support for this device.
User is expected to have the right permissions on the parallel
port. By default, the first suitable parallel port is used. It is
possible to override that with the hidden configuration setting
"opl2lpt_parport".
It depends on the presence of the libieee1284 library which abstracts
a bit parallel port handling. An alternative would be to access
directly /dev/parportX on Linux. This would amount of code but it
would be Linux-only.
Tested with Indy 3 and SOMI.
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.period overflowed if .portaToNoteSpeed > .period in the else if case
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This uses upstream commit 939cc986d9ffd044f8c6149361127ad5d94e430f
Closes gh-1091
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The register keyword was deprecated from the C++11 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4193.html#809>,
and removed from the C++17 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4340>, so
cannot exist in a well-formed C++17 program.
It has never done anything in GCC
<https://gcc.gnu.org/ml/gcc/2010-05/msg00113.html>
and because of the way it is specified in the standard, it is “as
meaningful as whitespace”
<http://www.drdobbs.com/keywords-that-arent-or-comments-by-anoth/184403859>.
The one remaining use of the register keyword is in the DS backend,
where it is used to create a local register variable using the
non-standard GCC Extended Asm feature.
Closes gh-1079.
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Previously, a C-style cast was used to convert a
Common::Array<Plugin *>, populated with pointers to StaticPlugin
and DynamicPlugin instances, to a
Common::Array<PluginSubclass<T> *>, but PluginSubclass<T> is a
*sibling* class to StaticPlugin/DynamicPlugin, so this cast was
invalid and the results undefined. The methods for retrieving
subclasses of plugins can't be easily changed to just generate an
array of temporary wrapper objects that expose an identical API
which dereferences to the preferred PluginObject subclass because
pointers to these objects are retained by other parts of ScummVM,
so the wrappers would needed to be persisted or they would need to
just re-expose the underlying Plugin object again. This indicated
that a way to solve this problem is to have the callers receive
Plugin objects and get the PluginObject from the Plugin by
explicitly stating their desired type, in a similar manner to
std::get(std::variant), so that the pattern used by this patch to
solve the problem.
Closes gh-1051.
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If the audio thread called to readBuffer before any packet had been
added to the stream, the state of the stream would be changed from
INIT to EOS. Later, when a packet was received, the state would go
directly from EOS to READY, skipping decoder init, leaving garbage
memory in the decoder structs and causing a crash of the decoder.
Fixes Trac#9653.
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Fixes out of bounds reads in the Myst ME intro videos.
OOB reads may happen because:
- The bitstream implementation reads 4 bytes at a time, and the buffer
size is not guaranteed to be a multiple of 4.
- The huffman parsing code reads a fixed amount of bits when it
sometimes needs not all of them.
Also fixed bits vs bytes mismatch for the size parameter of the calls to
the bitstream constructor, and removed a few unnecessary heap
allocations.
Fixes #10220.
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write streams
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And fix an out of bounds acces when seeking to the end of a video.
Skipping samples is needed even when seeking through silent edits
because a silent stream is queued for those.
Fixes #10219.
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This is an attempt to fix a compilation error on some platforms.
The error message seems to indicate that log2 might be a define
on thos platforms.
Note that the log2 implementation in ModuleModXmS3m is not the binary
logarithm, and we cannot use Common::intLog2.
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Previously, _topNibble was not reset at the beginning of a new
audio block, and the alignment byte at the end of odd blocks was
being read as audio data, which caused audible clicks and
out-of-bounds sample generation. There may have also been read
errors related to the use of continue/break keywords inside of a
macro wrapped with do-while(0).
The introduction of partial block reads in this code when it was
converted from ffmpeg to a ReadStream interface was also confusing
and somewhat inefficient (calling SeekableReadStream::pos
frequently), so this code has been refactored for clarity and to
improve efficiency by reducing the number of virtual calls. Error
detection has also been improved somewhat by ensuring that there
are enough bytes to read a block header, and that the step indexes
in the header are within the valid range.
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All users of BitStream were in fact using a specific, hardcoded variant,
so we can hardcode that variant, removing the need for virtual calls,
and enabling inlining.
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GCC did not warn about these, but surely it should be bitwise OR,
not logical OR, here as well. But I don't think I have any game that
uses MaxTrax (Amiga version of Legend of Kyrandia?), so I can't
really test this.
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I think these are the last one that were already flagged as being
deliberate.
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This update uses upstream commit
777c51cdb4dbb4e02a53c23edea9086f0b600e26.
The new SampleRateConverter is added, but not built as we don't use it.
Also, building it without source changes will need additional include
directories.
This update of Munt reduces the stack size, and thus fixes bug #9630.
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This update uses upstream commit
f88ef828a600ce66d1f730c8fb2a7f580f6f6165.
This update switches to use the new Munt C++ interface, which
will allow ScummVM to link to an external Munt library instead
of requiring it to be built-in in the future. For the moment,
the emulator is still built-in, since it is not available from
most package repositories.
The Munt driver in ScummVM now uses writeSysex instead of the
(now-private) playSysexWithoutFraming, per recommendation from
the Munt team <https://github.com/munt/munt/pull/30>.
This changeset also removes direct modifications that used to be
made to Munt code, to ease future updates. To update Munt code in
the future:
1. Replace all source files in the `softsynth/mt32` directory with
new files from the upstream `mt32emu/src` directory;
2. Update `config.h` with the correct version number for the new
version of Munt;
3. Update `module.mk` to add any new source files that need to be
built.
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