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The bootanimation daemon will play 16 bit WAV files contained in bootanimation.zip
For this to work, the bootanimation.zip must contain an audio_conf.txt file,
which contains parameters to be used for the tinyalsa pcm_open call
as well as mixer parameters to set before attempting to play the sound.
If the bootanimation finds an audio_conf.txt file, then it will look for a file named
"audio.wav" in each of the part subdirectories. If audio.wav is found, it will play that
WAV file starting at the beginning of that part.
The code for this is based on the tinyplay utility in tinyalsa.
The audio_conf.txt and must begin with the following header:
card=<ALSA card number>
device=<ALSA device number>
period_size=<period size>
period_count=<period count>
This header is followed by zero or more mixer settings, each with the format:
mixer "<name>" = <value list>
Since mixer names can contain spaces, the name must be enclosed in double quotes.
The values in the value list can be integers, booleans (represented by 0 or 1)
or strings for enum values.
Finally I should mention that this change is not the right approach.
Instead of going straight to ALSA we should be using the mediaserver instead.
But mediaserver isn't ready in time due to interactions with the system server, and there
isn't time to fix this for the current release. We need to fix that for the next one.
Bug: 17674304
Change-Id: Ic391ade61c941d0a24f4d64fe005ac9375a23fa9
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Some OEMs want to have a bootanimation (or parts of it) displayed on a
color other than black. They currently just use full-screen frames for
that, which wastes lots of memory and bandwidth. This change allows
each part of the animation to specify a background color that will be
applied outside of the frame images; if unspecified the background
will be black as it is now.
Bug: 16635599
Change-Id: Ibf008fc75c5aad891c86ba9e4ec0879b7a61b8bd
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FileMap memory is never released until application exit
Release it now as the texture is already loaded and the memory
used for the packed resource can be released.
Change-Id: Id08a1e466337b3a0179684eb6a444e18147ee343
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This lets us share zip archive processing code with both
the runtime (Art, dalvik) and critical java code
(StrictJarFile).
This change also moves several utility methods to ZipUtils
and dedups code across several zip inflation methods.
One of the side effects of this change is that several
processing loops are now O(n) instead of O(n^2).
bug: 10193060
Change-Id: I3c7188496837a47246c4f342e45485a70fef3169
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The desc.txt file can now mark parts as 'must finish cleanly' by using
'c' as the part line prefix rather than 'p'. If so indicated, if the
bootanimation is asked to quit it will do so only after waiting to
finish that part.
I considered either making init.c service killing smarter or promoting
bootanim to be a bindable service with a requestExit method. However,
these changes are probably too big/risky given our ship date. So
I used a property as a mailbox between SurfaceFlinger and bootanim.
Bug: 6679877
Change-Id: I1f8dd9e7da1ea80a483b31fa14c4a5645922d774
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Change-Id: Iec71706cdd4f29c6904993648ce873e83ef9cafe
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step 2: move libutils headers to their new home: androidfw
Change-Id: I14624ba23db92a81f2cb929f104386e1fab293ef
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create flip chain)
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Conflicts:
data/etc/platform.xml
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