文章分类 - Android
摘要：Building test programs The test framework has been designed with portability in mind. The only mandatory requirements are full C++ support and standar
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posted @ 2016-04-19 14:30
dolinux
摘要：Porting the test framework Porting the deqp involves three steps: adapting base portability libraries, implementing test-framework platform-integratio
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posted @ 2016-04-19 14:30
dolinux
摘要：OpenGL ES testing This page provides an overview of the GPU testing suite called deqp (drawElements Quality Program). You can access the code for deqp
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posted @ 2016-04-19 14:28
dolinux
摘要：Implementing graphics Follow the instructions here to implement the Android graphics HAL. Requirements The following list and sections describe what y
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posted @ 2016-04-19 14:27
dolinux
摘要：Graphics architecture What every developer should know about Surface, SurfaceHolder, EGLSurface, SurfaceView, GLSurfaceView, SurfaceTexture, TextureVi
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posted @ 2016-04-19 14:25
dolinux
摘要：Graphics The Android framework offers a variety of graphics rendering APIs for 2D and 3D that interact with manufacturer implementations of graphics d
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posted @ 2016-04-19 14:23
dolinux
摘要：Requirements Before you download and build the Android source, ensure your system meets the following requirements. Then see Establishing a Build Envi
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posted @ 2016-04-19 13:56
dolinux
摘要：Audio Latency Measurements This article gives round-trip audio latency measurements for select devices and platform versions. Definition Latency is an
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posted @ 2016-04-19 13:52
dolinux
摘要：SoC Vendor Dependencies for Media Resource Manager This document is intended to help system on chip vendors (SoCs) properly implement support for prio
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posted @ 2016-04-19 12:28
dolinux
摘要：OEM Dependencies for Media Resource Manager This document is intended to help original equipment manufacturers (OEMs) properly implement support for A
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posted @ 2016-04-19 12:28
dolinux
摘要：Media Android provides a media playback engine at the native level called Stagefright that comes built-in with software-based codecs for several popul
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posted @ 2016-04-19 12:27
dolinux
摘要：Audio Latency for App Developers For the lowest audio latency possible, we recommend you use Android native audio based on OpenSL ES 1.0.1. Implementa
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posted @ 2016-04-19 12:26
dolinux
摘要：Audio Loopback Dongle The diagram and photo below show an audio loopback dongle for the headset connector that we call the "Dr. Rick O'Rang audio loop
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posted @ 2016-04-19 12:20
dolinux
摘要：Light Testing Circuit The file av_sync_board.zip contains CAD files for an A/V sync and latency testing printed circuit board (PCB). The files include
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posted @ 2016-04-19 12:19
dolinux
摘要：Measuring Audio Latency This page describes common methods for measuring input and output latency. Measuring Output Latency There are several techniqu
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posted @ 2016-04-19 12:17
dolinux
摘要：Design For Reduced Latency The Android 4.1 release introduced internal framework changes for a lower latency audio output path. There were minimal pub
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posted @ 2016-04-19 12:16
dolinux
摘要：Contributors to Audio Latency This page focuses on the contributors to output latency, but a similar discussion applies to input latency. Assuming the
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posted @ 2016-04-19 12:15
dolinux
摘要：Audio Latency Audio latency is the time delay as an audio signal passes through a system. Resources
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posted @ 2016-04-19 12:14
dolinux
摘要：TV Audio The TV Input Framework (TIF) manager works with the audio routing API to support flexible audio path changes. When a System on Chip (SoC) imp
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posted @ 2016-04-19 12:13
dolinux
摘要：USB Digital Audio This article reviews Android support for USB digital audio and related USB-based protocols. Audience The target audience of this art
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posted @ 2016-04-19 12:11
dolinux
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