Dave Chapman
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aaacb7010f
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Remove the mallocs for the codecdata in the m4a parser and assume a maximum size of 64 bytes (see comments in source). Also clean up the alac_set_info() function a little and make it alignment-safe. We still need to remove the seektable related mallocs. Please report if any AAC or ALAC files stop playing in Rockbox after this commit - but it is not expected to cause problems.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15861 a1c6a512-1295-4272-9138-f99709370657
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2007-12-01 01:01:35 +00:00 |
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Tomasz Malesinski
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5c54ba49d5
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Added macros controlling what goes to IRAM on different targets.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11483 a1c6a512-1295-4272-9138-f99709370657
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2006-11-09 21:59:27 +00:00 |
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Dave Chapman
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1a03c37947
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A better count_leading_zeros() function, courtesy of Jens Arnold
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8577 a1c6a512-1295-4272-9138-f99709370657
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2006-02-05 09:12:57 +00:00 |
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Dave Chapman
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347992e9d9
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Optimised C version of count_leading_zeros() taken from alac-0.1.1. This makes ALAC very close to realtime on the ipod (just the very occasional skip during disk reading - it is realtime when the disk is sleeping).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8545 a1c6a512-1295-4272-9138-f99709370657
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2006-02-03 08:27:53 +00:00 |
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Dave Chapman
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439ba9bdbb
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Move code into IRAM and explicitly inline some functions (gcc was inlining them anyway, but this way is better)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7741 a1c6a512-1295-4272-9138-f99709370657
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2005-11-03 18:14:37 +00:00 |
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Dave Chapman
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f1844c4166
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1) Always enable the DSP. 2) Change codec to output one 32-bit array per channel containing samples left-shifted to 28-bits (instead of 16-bit interleaved samples). 3) Remove the two 16KB internal predicterror_buffer arrays (we use the output arrays instead) 4) Small internal rearrangement of the code.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7667 a1c6a512-1295-4272-9138-f99709370657
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2005-10-28 00:11:28 +00:00 |
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Thom Johansen
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292e4e90d7
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Introduced usage of IBSS_ATTR and ICONST_ATTR in codec libraries.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7660 a1c6a512-1295-4272-9138-f99709370657
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2005-10-27 11:39:01 +00:00 |
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Dave Chapman
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9a625ef7ac
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Add yield() calls inside the monolithic ALAC decode_frame() function - improves responsiveness of UI during ALAC decoding
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7557 a1c6a512-1295-4272-9138-f99709370657
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2005-09-24 12:35:18 +00:00 |
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Dave Chapman
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debbe9747e
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First Rockbox version of ALAC decoder - porting to work in Rockbox environment and some simple (but significant) optimisations
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7544 a1c6a512-1295-4272-9138-f99709370657
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2005-09-22 20:46:58 +00:00 |
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Dave Chapman
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711b2e3c88
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Initial (unmodified - for reference) import of David Hammerton's Apple Lossless (ALAC) decoder from http://crazney.net/programs/itunes/alac.html
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7541 a1c6a512-1295-4272-9138-f99709370657
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2005-09-22 18:47:04 +00:00 |
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