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30 commits

Author SHA1 Message Date
Björn Stenberg
6427d127aa Calculate watermark from bitrate and harddisk spinup time. 
Use a smaller PCM buffer on targets with 2MB or less ram.
(FS#9703)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19743 a1c6a512-1295-4272-9138-f99709370657
 2009-01-10 21:10:56 +00:00
Daniel Stenberg
2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
 2008-06-28 18:10:04 +00:00
Brandon Low
3379440a4b Remove conf_filechunk, it should never have been a setting and its implementation doesn't do what it claims any way 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15478 a1c6a512-1295-4272-9138-f99709370657
 2007-11-05 17:48:21 +00:00
Magnus Holmgren
01a010fd19 Fix several printf-style warnings in logf builds. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12830 a1c6a512-1295-4272-9138-f99709370657
 2007-03-18 09:50:53 +00:00
Michael Sevakis
97f369a587 SWCODEC: Annoying neatness update. Use intptr_t for codec_configure_callback and dsp_configure and stop all the silly type casting of intergral types to pointers to set dsp configuration and watermarks. Shouldn't have any effect on already compiled codecs at all. Will fix any important patches in the tracker so they compile. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12259 a1c6a512-1295-4272-9138-f99709370657
 2007-02-10 16:34:16 +00:00
Michael Sevakis
aba6ca0881 Fix resampling clicking as much as possible at the moment. 1) Upsampling clicked because of size inaccuracies returned by DSP. Fix by simplifying audio system to use per-channel sample count from codec to pcm buffer. 2) Downsampling affected by 1) and was often starting passed the end of the data when not enough was available to generate an output sample. Fix by clamping input range to last sample in buffer and using the last sample value in the buffer. A perfect fix will require a double buffering scheme on the resampler to sufficient data during small data transients on both ends at all times of the down ratio on input and the up ratio on output. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12218 a1c6a512-1295-4272-9138-f99709370657
 2007-02-07 00:51:50 +00:00
Tomasz Malesinski
80da8b141c FS#6357, patch 1: let iramcopy and bss share the same space in codecs and 
plugins. Currently, in case of plugins using IRAM bss is cleared twice,
once in the loader, once in PLUGIN_IRAM_INIT. For codecs, bss is cleared only
during codec initialization. Also, removed double variables in codecs
storing a pointer to codec_api.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11606 a1c6a512-1295-4272-9138-f99709370657
 2006-11-26 18:31:41 +00:00
Michael Sevakis
bbef13eddf SWCODEC: Stop clicks between tracks when resampler is active by only switching the DSP frequency and not resetting the resampler at track boundaries. Will make sure DSP is correctly flushed at dicontinuities but don't hear any problems currently. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11600 a1c6a512-1295-4272-9138-f99709370657
 2006-11-26 12:02:47 +00:00
Magnus Holmgren
af05296a82 Enable ReplayGain processing for AAC and ALAC (not really tested though). Also, use the 'standard' wait-for-metadata loop in the ALAC decoder. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11580 a1c6a512-1295-4272-9138-f99709370657
 2006-11-23 20:05:14 +00:00
Thom Johansen
354770088e Re-enable the currently unused and broken dithering and noise shaping code already in Rockbox, and make it a user option instead of a codec-controlled option. The majority of people probably will not even hear any difference with this enabled, but feedback is welcome. Save your settings! 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11368 a1c6a512-1295-4272-9138-f99709370657
 2006-10-27 20:41:33 +00:00
Magnus Holmgren
d63d8fedaa Forgot one file... 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11188 a1c6a512-1295-4272-9138-f99709370657
 2006-10-11 17:12:29 +00:00
Brandon Low
f3bc1efc49 First commit of reworking voice to be mroe stable on swcodec 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9758 a1c6a512-1295-4272-9138-f99709370657
 2006-04-22 14:40:13 +00:00
Brandon Low
ebadcc633a Put new_track on the codec_api, and use it instead of the reload_codec variable in most places. Should help with problems people have had with GUI vs. playback sync. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9670 a1c6a512-1295-4272-9138-f99709370657
 2006-04-15 02:03:11 +00:00
Dave Chapman
0c915510c6 Correct a comment - no code changes 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9645 a1c6a512-1295-4272-9138-f99709370657
 2006-04-13 17:04:53 +00:00
Brandon Low
c76904be53 Fix warnings 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9230 a1c6a512-1295-4272-9138-f99709370657
 2006-03-24 14:02:27 +00:00
Brandon Low
1060e447f8 Part of the profiling patch to use a consistent return path in all codecs to facilitate 'on exit' functionality 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8374 a1c6a512-1295-4272-9138-f99709370657
 2006-01-18 20:22:03 +00:00
Jens Arnold
b8749fdf21 New codec loader, using the same mechanism as the new plugin loader. API version numbering restarted for the new system. Uses the target ID from configure, so don't change that too often. * Fixed sim_plugin_load_ram() to truncate the tempfile. * Reduced plugin buffer size to 512KB for iriver and iPod. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8362 a1c6a512-1295-4272-9138-f99709370657
 2006-01-18 00:05:14 +00:00
Jens Arnold
07c4254135 Don't include the .bss and .ibss sections in the binary image for codecs and plugins. Saves quite some disk space (and buffer space in case of codec changes during playback). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8308 a1c6a512-1295-4272-9138-f99709370657
 2006-01-08 22:50:14 +00:00
Daniel Stenberg
76667e2a5b fix gcc4 (un)signed warnings 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8124 a1c6a512-1295-4272-9138-f99709370657
 2005-12-02 08:42:48 +00:00
Miika Pekkarinen
9c0f1a9e39 More stable playback with reduced stuttering when skipping tracks. 
Removed CODEC_SET_FILEBUF_LIMIT setting; now playback.c determines how
to buffer the files.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7970 a1c6a512-1295-4272-9138-f99709370657
 2005-11-18 20:21:13 +00:00
Thom Johansen
c8193b8da5 The seek_time member of the codec API needs to be decremented before use as a seeking time. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7768 a1c6a512-1295-4272-9138-f99709370657
 2005-11-06 19:18:04 +00:00
Dave Chapman
5006d15d1e Call ci->seek_complete() callback after processing a seek request (an old API change that wasn't implemented in all the codecs) 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7717 a1c6a512-1295-4272-9138-f99709370657
 2005-11-02 00:09:42 +00:00
Dave Chapman
fca6b63ef7 Fix bug with FLAC and ALAC output being half the correct volume. The DSP_SET_SAMPLE_DEPTH function expects needs clarifying or changing - it seems to expect one less than the number of bits in cases where the depth is greater than the native depth (16 bits). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7692 a1c6a512-1295-4272-9138-f99709370657
 2005-10-30 22:06:42 +00:00
Dave Chapman
29c7da9e69 Don't copy the data from the audio buffer - request_buffer() guarantees to always return up to GUARD_BUFSIZE bytes, even at the buffer wraparound point. This removes the need for the 32KB static input buffer. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7691 a1c6a512-1295-4272-9138-f99709370657
 2005-10-30 21:04:32 +00:00
Dave Chapman
45f9e5d7b0 Remove generic M4A parsing code from libalac and create a libm4a - so it can be used by other codecs 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7682 a1c6a512-1295-4272-9138-f99709370657
 2005-10-29 17:12:52 +00:00
Dave Chapman
f1844c4166 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
 2005-10-28 00:11:28 +00:00
Dave Chapman
84d2f0e029 Fix compiler warnings in sim. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7631 a1c6a512-1295-4272-9138-f99709370657
 2005-10-15 09:40:56 +00:00
Thom Johansen
c91e0bbfc9 Cleaned up the messy codec header and library system by merging codec.h, lib/codeclib.[ch] and lib/xxx2wav.[ch] into just codeclib.[ch]. Deleted much of the unused code in the xxx2wav portion. All codecs should now only include codeclib.h, and whatever codec specific headers are needed. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7626 a1c6a512-1295-4272-9138-f99709370657
 2005-10-13 11:32:52 +00:00
Dave Chapman
9a625ef7ac 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
 2005-09-24 12:35:18 +00:00
Dave Chapman
139c1cb824 First version of ALAC (Apple Lossless) decoder 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7547 a1c6a512-1295-4272-9138-f99709370657
 2005-09-22 21:55:37 +00:00