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10-Nov-2017 |
Kevin Rocard <krocard@google.com> |
libaudioprocessing: clamp application provided float audio
For security reason, float buffers provided by application must be
clamped to FLOAT_NOMINAL_RANGE_HEADROOM.
With the new all float pipeline, float are no longer clamped by their
conversion to fixed point.
This patch adds a float buffer provider that clamps float samples
as they are copied to audio pipeline.
Test: Play music, play video in chrome (opensles format float),
play float pcm audio file specially crafter with >> 1 samples.
Bug: 68099072
Change-Id: I220b436d9982bc43a75715a030efd0e6a0c79fa3
Signed-off-by: Kevin Rocard <krocard@google.com>
/frameworks/av/media/libmedia/include/media/BufferProviders.h
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