- 23 Dec, 2015 1 commit
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Alexandra Hájková authored
The DCA core decoder converts integer coefficients read from the bitstream to floats just after reading them (along with dequantization). All the other steps of the audio reconstruction are done with floats which makes the output for the DTS lossless extension (XLL) actually lossy. This patch changes the DCA core to work with integer coefficients until QMF. At this point the integer coefficients are converted to floats. The coefficients for the LFE channel (lfe_data) are not touched. This is the first step for the really lossless XLL decoding.
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- 14 Dec, 2015 1 commit
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Janne Grunau authored
3% faster dts decoding on a cortex-a57. cortex-a57 cortex-a53 int32_to_float_fmul_array8_c: 1270.9 4475.6 int32_to_float_fmul_array8_neon: 328.6 569.2 int32_to_float_fmul_scalar_c: 928.5 4119.6 int32_to_float_fmul_scalar_neon: 309.1 524.1
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- 28 Feb, 2015 1 commit
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Anton Khirnov authored
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- 22 Jul, 2013 1 commit
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Ben Avison authored
This is similar to int32_to_float_fmul_scalar, but loads a new scalar multiplier every 8 input samples. This enables the use of much larger input arrays, which is important for pipelining on some CPUs (such as ARMv6). Signed-off-by: Martin Storsjö <martin@martin.st>
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- 17 Jul, 2013 1 commit
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Christophe Gisquet authored
Signed-off-by: Martin Storsjö <martin@martin.st>
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- 30 Apr, 2013 1 commit
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Diego Biurrun authored
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- 08 Oct, 2012 1 commit
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Janne Grunau authored
Rename the called dsp init functions to *_init_x86.
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- 15 Aug, 2012 1 commit
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Martin Storsjö authored
Signed-off-by: Martin Storsjö <martin@martin.st>
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- 18 May, 2011 1 commit
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Justin Ruggles authored
Partially based on patches by clsid2 in ffdshow-tryout. ff_float_interleave6() x86 improvements by Loren Merrit.
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- 19 Mar, 2011 1 commit
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Mans Rullgard authored
Signed-off-by: Mans Rullgard <mans@mansr.com>
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- 07 Mar, 2011 2 commits
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Justin Ruggles authored
It only has Altivec functions and is not compiled if Altivec is disabled.
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Carl Eugen Hoyos authored
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- 02 Feb, 2011 1 commit
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Justin Ruggles authored
This will be beneficial for use with the audio conversion API without requiring it to depend on all of dsputil. Signed-off-by: Mans Rullgard <mans@mansr.com>
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