| Commit message (Collapse) | Author | Age | Files | Lines |
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Libschroedinger is the preferred way to encode dirac video now, it
produces better output and has a nicer API.
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fixes Bug 225
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Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Also give a more suitable name to the MMI-optimized IDCT;
it is not PS2-specific, as the name currently suggests.
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It is obscure, most likely unused and not bit-exact compared to
libavcodec due to a different IDCT transform algorithm.
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The new name is more appropriate as only golomb functions are tested.
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This prepares for assembly optimisations by moving the most
time-consuming loops to functions called through pointers
in a new context.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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The stereo layout and extradata is significantly different from that in
Westwood IMA ADPCM, so a separate codec_id is warranted.
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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The WAVE demuxer returns packets with many blocks per frame, which needs to be
parsed into single blocks. This has a side-effect of fixing the timestamps.
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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The encoder depends on the common code, so link against it.
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The generic ADPCM codes depends on the ADPCM data tables.
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v410 is a packed 10-bit 4:4:4 YCbCr format used in
QuickTime.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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This simplifies the decoder so it doesn't have to process an in-packet header
or handle arbitrary-sized packets. It also fixes decoding of files with large
headers.
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Instead of using fixed coefficients, the correct way is to calculate the
coefficients using the highpass cutoff frequency from the ADX stream header
and the sample rate.
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The common non inlined code goes in snow.c, the common inlined code in
snow.h, tables move in snowdata.h (included only by snow.c)
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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Add a decoder for the VBLE Lossless Codec, which
still has a cult following. Used to be popular
several years ago on doom9.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
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It is found in some 8svx files (e.g. ones created by SoX).
Currently the decoder reuses the 8svx functions because we already have
handling of a single large planar packet for the compressed 8svx codecs.
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Signed-off-by: Martin Storsjö <martin@martin.st>
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The Zork PCM decoder does not decode the 1 sample we have correctly, therefore
the encoder based on the decoder is also incorrect. There is no good reason to
keep the encoder.
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This fixes 'make checkheaders' on non-W32THREADS systems.
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Replace our incomplete w32threads implementation with x264's pthreads
w32threads wrapper.
Relicensed to LGPL with kind permission by Pegasys Inc.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Signed-off-by: Martin Storsjö <martin@martin.st>
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Move shared tables to a separate file as well.
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Since IDCT transforming 32-bit input to 8-bit output is unusual and unpractical
for most codecs, move Bink IDCT into separate context. Get rid of an additional
permutation table while at it since SIMD support for Bink IDCT is unlikely to
be implemented in foreseeable future.
Quantisation tables also have to change type to signed for proper
dequantisation of DCT coefficients.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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This test program so full of programming errors it is impossible
to make sense of it.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This checks if the set of selected exponent strategies for all blocks in a
channel are in the frame exponent strategy table, and if so, writes the
table index instead of each strategy. This saves up to 7 bits per channel per
frame, so the overall effect on quality is small.
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be used in the E-AC-3 encoder.
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