camera: Always enable preview metadata

 * Remove the ifdefs which enable/disable the preview metadata during
   start/stop preview.  This causes issues with face detection and
   other uses on new hardware.
 * I am not aware of any hardware which still needs this.

Change-Id: I3dd0941a61affb4862a2e8f4f0c2cf59c95b150e
stagefright: Avoid querying time from AudioPlayer after audio EOS

If a clip's audio track is shorter than its video track, the system
clock is used as the time source after audio EOS. However AwesomePlayer
continues to query the media time from AudioPlayer within
onVideoLagUpdate. This may take longer than the expected onVideoEvent
interval of 20 ms which can cause delayed or dropped frames.

Additionally, if onVideoEvent is more than 500 ms late, AwesomePlayer
triggers a video-only seek to the incorrect audio EOS media time. Since
the system clock continues to tick, video becomes even later after seek
and seek is triggered again, resulting in a continuous seek.

Stop querying the media time from AudioPlayer after audio EOS to avoid
this scenario.

Change-Id: I5c56a51509f8787d384696c703a9327b0fa5dbac
CRs-Fixed: 739308
Fix various C++11 issues and strict aliasing violations.
Loudness and Visualizer effects: Don't force -O2 if -Os or -O3 is provided.
libcameraservice: Fix build when not using C++11.
Frameworks: AudioFlinger: Fix effects memory leak

Patch by: csheng@marvell.com
Change-Id: I4e3032fb34643902f98e8fd7c8e894b6452324c9
Signed-off-by: Yu Yezhong <yuyezhong@gmail.com>
AArch64: rewrite audioflinger's sinc resample by intrinsics.

Pass conformance test on armv7 and aarch64, performance test is done on armv7.
Compared with original armv7 assembly version, this version has similar
result. Here is performance data on pandaboard android4.4 (input: random wave
file, unit: Mspl/s, toolchain:gcc 4.8):

|                | origin(assembly) | current(intrinsics) | C version |
|----------------+------------------+---------------------+-----------|
| single channel | 6.17             | 7.14                | 3.43      |
| double channel | 5.24             | 5.63                | 3.50      |

Change-Id: If5670218e1586e9dfd2b8d9c66a6880f3e4808ca
Check for ARCH_ARM_HAVE_NEON flag only for ARM arch

This patch prevents ARM neon code from being included
for Arm64, where ARM is the 2nd architecture.

Change-Id: I5a283991034f2650a0e7d4227aef967be276fc9c
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>
audioflinger: conform inline ASM to UAL

Clang requires some inline ASM to conform to the UAL standards (Unified Assembler Language).
This fixes a small issue in this inline asm to allow building.

Change-Id: Ifd9b1814343ab5ade636b9401a21d575559dac16
correct one logic error in decide whether should render or not

Change-Id: Ie41663f6fd5a7d983279f14a2228cb57231771bf
Signed-off-by: Jianzheng Zhou <jianzheng.zhou@freescale.com>