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Thomas Martitz d1322b7159 GSoC/Buflib: Replace all direct accesses to audiobuf with buffer API functions.
Namely, introduce buffer_get_buffer() and buffer_release_buffer().
buffer_get_buffer() aquires all available and grabs a lock, attempting to
call buffer_alloc() or buffer_get_buffer() while this lock is locked will cause
a panicf() (doesn't actually happen, but is for debugging purpose).
buffer_release_buffer() unlocks that lock and can additionally increment the
audiobuf buffer to make an allocation. Pass 0 to only unlock if buffer was
used temporarily only.
buffer_available() is a replacement function to query audiobuflen, i.e. what's
left in the buffer.
Buffer init is moved up in the init chain and handles ipodvideo64mb internally.

Further changes happened to mp3data.c and talk.c as to not call the above API
functions, but get the buffer from callers. The caller is the audio system
which has the buffer lock while mp3data.c and talk mess with the buffer.
mpeg.c now implements some buffer related functions of playback.h, especially
audio_get_buffer(), allowing to reduce #ifdef hell a tiny bit.

audiobuf and audiobufend are local to buffer.c now.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30308 a1c6a512-1295-4272-9138-f99709370657
2011-08-14 15:13:00 +00:00
android Android: Undo r30293 partly as it prevents installation. 2011-08-14 13:23:46 +00:00
apps GSoC/Buflib: Replace all direct accesses to audiobuf with buffer API functions. 2011-08-14 15:13:00 +00:00
backdrops Add missing cabbiev2 800x480 backdrop 2011-02-19 01:45:08 +00:00
bootloader imx233/fuze+: add SD detection support 2011-07-22 15:45:58 +00:00
debian Forgot to update the short log for (unofficial) maemo build 2011-06-28 18:01:29 +00:00
docs Submit initial patch from FS#12176. Adds support for several new game music formats (AY, GBS, HES, KSS, SGC, VGM and VGZ) and replaces the current NSF and NSFE with a new implementation based on a port of the Game Music Emu library 'GME'. This first submit does not cover the full functionality provided by the author's original patch: Coleco-SGV is not supported, some GME-specific m3u-support has been removed and IRAM is not used yet. Further changes are very likely to follow this submit. Thanks to Mauricio Garrido. 2011-08-07 20:01:04 +00:00
firmware GSoC/Buflib: Replace all direct accesses to audiobuf with buffer API functions. 2011-08-14 15:13:00 +00:00
flash Move memset6() declaration to string-extra.h, kills a warning compiling for android since it ships a memory.h. 2010-08-12 13:55:01 +00:00
fonts Remove superfluous executable bits on a bunch of files. 2011-06-08 14:22:03 +00:00
gdb Generate C file / header for svn version string 2010-05-27 09:41:46 +00:00
icons Add script to create iconset (FS#11982). 2011-05-31 21:08:29 +00:00
lib New skin tags: %Vs() to set the text style and %Vg() to get the viewports gradient colours 2011-08-14 13:50:07 +00:00
manual Manual: try to make it clearer that it is NOT recommended to put music in /.rockbox 2011-08-14 10:25:03 +00:00
packaging Prepare new, unofficial pandora build 2011-06-28 17:33:04 +00:00
rbutil Rockbox Utility: use libusb-1.0 by default. 2011-08-09 22:00:10 +00:00
tools Android: Fix a few java warnings. Upgrade ndk platform to 2.0 (don't support 1.6 anymore). 2011-08-14 08:55:16 +00:00
uisimulator Dircache: Don't expose struct dircache_entry and pointers into the cache, use IDs instead. 2011-06-20 20:12:42 +00:00
utils sbtools: fix version output, add support for options section and product/component versions in command files 2011-07-24 19:12:18 +00:00
wps Fix mistaken changes in r30219 2011-08-14 13:14:58 +00:00

               __________               __   ___.
     Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
     Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
     Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
     Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
                       \/            \/     \/    \/            \/

Build Your Own Rockbox

1. Check out 'rockbox' from SVN (or extract a downloaded archive).

   $ svn co svn://svn.rockbox.org/rockbox/trunk rockbox

     or

   $ tar xjf rockbox.tar.bz2

2. Create a build directory, preferably in the same directory as the firmware/
   and apps/ directories. This is where all generated files will be written.

   $ cd rockbox
   $ mkdir build
   $ cd build

3. Make sure you have sh/arm/m68k-elf-gcc and siblings in the PATH. Make sure
   that you have 'perl' in your PATH too. Your gcc cross compiler needs to be
   a particular version depending on what player you are compiling for. These
   can be acquired with the rockboxdev.sh script in the /tools/ folder of the
   source, or will have been included if you've installed one of the
   toolchains or development environments provided at http://www.rockbox.org/

   $ which sh-elf-gcc
   $ which perl

4. In your build directory, run the 'tools/configure' script and enter what
   target you want to build for and if you want a debug version or not (and a
   few more questions). It'll prompt you. The debug version is for making a
   gdb version out of it. It is only useful if you run gdb towards your target
   Archos.

   $ ../tools/configure

5. *ploink*. Now you have got a Makefile generated for you.

6. Run 'make' and soon the necessary pieces from the firmware and the apps
   directories have been compiled, linked and scrambled for you.

   $ make
   $ make zip

7. unzip the rockbox.zip on your music player, reboot it and
   *smile*.

If you want to build for more than one target, just create several build
directories and create a setup for each target:

   $ mkdir build-fmrecorder
   $ cd build-fmrecorder
   $ ../tools/configure

   $ mkdir build-player
   $ cd build-player
   $ ../tools/configure

Questions anyone? Ask on the mailing list. We'll be happy to help you!