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This makes it easier to use Tremor as a drop-in replacement for libvorbis and
reduces code size and overhead for those who don't want to use its built-in
Ogg demuxer.
This commit also backports all of the changes that have accumulated in
libvorbis's vorbisfile implementation, with the exception of halfrate decoding
and cross-lapped seeking.
Those should not be too hard to add if someone really wants them.
git-svn-id: https://svn.xiph.org/trunk/Tremor@17375 0101bb08-14d6-0310-b084-bc0e0c8e3800
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* Don't include sys/types.h if defined WIN32 && WINCE - it never gets used anyway
git-svn-id: https://svn.xiph.org/trunk/Tremor@11217 0101bb08-14d6-0310-b084-bc0e0c8e3800
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* Add VS2005 project files
git-svn-id: https://svn.xiph.org/trunk/Tremor@11211 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@10707 0101bb08-14d6-0310-b084-bc0e0c8e3800
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remove it where misc.h is included.
git-svn-id: https://svn.xiph.org/trunk/Tremor@9257 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@4570 0101bb08-14d6-0310-b084-bc0e0c8e3800
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First mainline deployment of libogg 2 (embedded into Tremor)
git-svn-id: https://svn.xiph.org/trunk/Tremor@4565 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@4013 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@4012 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@4007 0101bb08-14d6-0310-b084-bc0e0c8e3800
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From Nicolas's notes:
- Includes my previous patch with interpolation code for correct accuracy
with all block sizes.
- Interlaces sin and cos values in the lookup table to reduce register
pressure since only one pointer is required to walk the table instead of
two. This also accounts for better cache locality.
- Split the lookup table into two tables since half of it (one value every
two) is only used in separate section of the code and only with large
block sizes. Therefore the table size used for the common case is reduced
by 2 accounting for yet better cache usage.
- Abstracted all cross products throughout the code so they can be easily
optimized. First this prevents redundant register reloads on ARM due to
the implicit memory access ordering, next this allowed for the
opportunity to hook some inline assembly to perform the actual operation.
- Fix layout of current assembly in asm_arm.h to match GCC's output (more
enjoyable to read when inspecting the final assembly) plus some
constraint correctness issues.
- Added a memory barrier macro to force the compiler not to cache values
into registers or on the stack in some cases.
- Reordered some code for better ARM assembly generation by
the compiler.
git-svn-id: https://svn.xiph.org/trunk/Tremor@3923 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@3895 0101bb08-14d6-0310-b084-bc0e0c8e3800
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git-svn-id: https://svn.xiph.org/trunk/Tremor@3890 0101bb08-14d6-0310-b084-bc0e0c8e3800
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