OpenMaxIL1.2.0规范_lsusb命令

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OpenMAX™ Integration Layer

Application Programming Interface

Specification

Version 1.2.0 Provisional

November 7, 2011

Document version 1.2.0.0

This specification is protected by copyright laws and contains material proprietary to the

Khronos Group, Inc. It or any components may not be reproduced, republished, distributed,

transmitted, displayed, broadcast, or otherwise exploited in any manner without the express prior

written permission of the Khronos Group. You may use this specification for implementing the

functionality therein, without altering or removing any trademark, copyright or other notice from

the specification, but the receipt or possession of this specification does not convey any rights to

reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may

describe, in whole or in part.

Khronos Group grants express permission to any current Promoter, Contributor or Adopter

member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any

fashion, provided that NO CHARGE is made for the specification and the latest available update

of the specification for any version of the API is used whenever possible. Such distributed

specification may be reformatted AS LONG AS the contents of the specification are not changed

in any way. The specification may be incorporated into a product that is sold as long as such

product includes significant independent work developed by the seller. A link to the current

version of this specification on the Khronos Group website should be included whenever

possible with specification distributions.

Khronos Group makes no, and expressly disclaims any, representations or warranties, express or

implied, regarding this specification, including, without limitation, any implied warranties of

merchantability or fitness for a particular purpose or non-infringement of any intellectual

property. Khronos Group makes no, and expressly disclaims any, warranties, express or implied,

regarding the correctness, accuracy, completeness, timeliness, and reliability of the specification.

Under no circumstances will the Khronos Group, or any of its Promoters, Contributors or

Members or their respective partners, officers, directors, employees, agents or representatives be

liable for any damages, whether direct, indirect, special or consequential damages for lost

revenues, lost profits, or otherwise, arising from or in connection with these materials.

SAMPLE CODE and EXAMPLES, as identified herein, are expressly depicted herein with a

“grey” watermark and are included for illustrative purposes only and are expressly outside of the

Scope as defined in Attachment A - Khronos Group Intellectual Property (IP) Rights Policy of

the Khronos Group Membership Agreement. A Member or Promoter Member shall have no

obligation to grant any licenses under any Necessary Patent Claims covering SAMPLE CODE

and EXAMPLES.

Khronos and OpenMAX are trademarks of the Khronos Group Inc. Bluetooth is a registered

trademark of the Bluetooth Special Interest Group. RealAudio and RealVideo are registered

trademarks of RealNetworks, Inc. Windows Media is a registered trademark of Microsoft

Corporation.

Contents

1 OVERVIEW ........................................................................................................................................................ 11

1.1 INTRODUCTION .................................................................................................................................................. 11

1.1.1 About the Khronos Group....................................................................................................................... 11

1.1.2 A Brief History of OpenMAX .................................................................................................................. 11

1.2 THE OPENMAX INTEGRATION LAYER ............................................................................................................. 11

1.2.1 Key Features and Benefits ...................................................................................................................... 11

1.2.2 Design Philosophy .................................................................................................................................. 12

1.2.3 Software Landscape ................................................................................................................................ 13

1.2.4 Stakeholders ............................................................................................................................................ 13

1.2.5 The Interface ........................................................................................................................................... 14

1.3 DEFINITIONS ...................................................................................................................................................... 15

1.4 AUTHORS ........................................................................................................................................................... 16

1.5 FEATURES NEW TO VERSION 1.2 ...................................................................................................................... 17

1.6 BACKWARD COMPATIBILITY ............................................................................................................................ 20

2 OPENMAX IL INTRODUCTION AND ARCHITECTURE ........................................................................ 24

2.1 ARCHITECTURAL OVERVIEW ............................................................................................................................ 24

2.2 KEY VOCABULARY ........................................................................................................................................... 25

2.2.1 Key Definitions ....................................................................................................................................... 26

2.3 SYSTEM COMPONENTS ...................................................................................................................................... 27

2.3.1 Component Profiles ................................................................................................................................ 28

2.4 COMPONENT STATES ......................................................................................................................................... 29

2.5 COMPONENT ARCHITECTURE ............................................................................................................................ 31

2.6 COMMUNICATION BEHAVIOR ............................................................................................................................ 32

2.7 THREAD SAFETY ............................................................................................................................................... 33

2.8 TUNNELED BUFFER ALLOCATION ..................................................................................................................... 34

2.8.1 IL Client Component Setup .................................................................................................................... 37

2.8.2 Component Transition from OMX_StateLoaded to OMX_StateIdle ..................................................... 37

2.9 PORT RECONNECTION ....................................................................................................................................... 38

2.10 QUEUES AND FLUSH ..................................................................................................................................... 39

2.11 MARKING BUFFERS ...................................................................................................................................... 40

2.12 EVENTS AND CALLBACKS ............................................................................................................................ 40

2.13 BUFFER PAYLOAD ........................................................................................................................................ 41

2.14 SIGNALLING FRAMES AND SUBFRAMES ........................................................................................................ 44

2.14.1 Signalling frames .................................................................................................................................... 44

2.14.2 Signalling subframes .............................................................................................................................. 45

2.15 BUFFER FLAGS AND TIMESTAMPS ................................................................................................................ 47

2.16 SYNCHRONIZATION ...................................................................................................................................... 47

2.17 RATE CONTROL ............................................................................................................................................ 48

2.18 COMPONENT REGISTRATION ........................................................................................................................ 48

2.19 RESOURCE MANAGEMENT ........................................................................................................................... 48

2.19.1 Need for Resource Management ............................................................................................................ 49

2.19.2 Example Architecture ............................................................................................................................. 50

2.19.3 Component Priorities.............................................................................................................................. 51

2.19.4 Behavioral Rules ..................................................................................................................................... 51

2.19.5 Hardware Vendor-Specific Resource Manager ..................................................................................... 52

2.19.6 Component Suspension ........................................................................................................................... 52

2.20 CONTENT PIPES ............................................................................................................................................ 53

2.21 FILE PARSING ............................................................................................................................................... 53

2.22 VIDEO DECODER ERROR MAPPING .............................................................................................................. 54

2.23 BUFFER PAYLOAD ADDITIONAL INFORMATION ........................................................................................... 54

2.23.1 Buffer Data Formatting .......................................................................................................................... 55

2.24 ENDIANNESS ................................................................................................................................................. 56

3 OPENMAX INTEGRATION LAYER CONTROL API ............................................................................... 57

3.1 OPENMAX IL TYPES ........................................................................................................................................ 58

3.1.1 Enumerations .......................................................................................................................................... 58

3.1.2 Data Types .............................................................................................................................................. 75

3.1.3 Structures ................................................................................................................................................ 77

3.2 OPENMAX IL CORE METHODS/MACROS ....................................................................................................... 109

3.2.1 Return Codes for the Functions ............................................................................................................ 110

3.2.2 Macros .................................................................................................................................................. 112

3.2.3 Functions ............................................................................................................................................... 141

3.3 OPENMAX IL COMPONENT METHODS AND STRUCTURES ............................................................................. 153

3.3.1 pComponentPrivate .............................................................................................................................. 155

3.3.2 pApplicationPrivate .............................................................................................................................. 155

3.3.3 GetComponentVersion .......................................................................................................................... 155

3.3.4 SendCommand ...................................................................................................................................... 155

3.3.5 GetParameter ........................................................................................................................................ 156

3.3.6 SetParameter......................................................................................................................................... 156

3.3.7 GetConfig .............................................................................................................................................. 156

3.3.8 SetConfig ............................................................................................................................................... 156

3.3.9 GetExtensionIndex ................................................................................................................................ 157

3.3.10 GetState ................................................................................................................................................. 157

3.3.11 ComponentTunnelRequest .................................................................................................................... 157

3.3.12 UseBuffer .............................................................................................................................................. 159

3.3.13 AllocateBuffer ....................................................................................................................................... 159

3.3.14 FreeBuffer ............................................................................................................................................. 159

3.3.15 EmptyThisBuffer ................................................................................................................................... 160

3.3.16 FillThisBuffer ........................................................................................................................................ 160

3.3.17 SetCallbacks .......................................................................................................................................... 160

3.3.18 ComponentDeinit .................................................................................................................................. 161

3.3.19 UseEGLImage ....................................................................................................................................... 162

3.4 CALLING SEQUENCES ...................................................................................................................................... 162

3.4.1 Initialization .......................................................................................................................................... 162

3.4.2 Data Flow ............................................................................................................................................. 171

3.4.3 De-Initialization .................................................................................................................................... 174

3.4.4 Port Disablement and Enablement....................................................................................................... 183

3.4.5 Dynamic Port Reconfiguration............................................................................................................. 187

3.4.6 Autodetect Port Reconfiguration .......................................................................................................... 189

3.4.7 Resource Management ......................................................................................................................... 191

3.4.8 Component Suspension ......................................................................................................................... 195

3.5 SLAVING BEHAVIOR FOR PORT SETTINGS ...................................................................................................... 199

4 OPENMAX IL DATA API ............................................................................................................................... 200

4.1 AUDIO .............................................................................................................................................................. 200

4.1.1 Audio Use Case Examples .................................................................................................................... 200

4.1.2 Minimum Buffer Payload Size for Uncompressed Data ...................................................................... 201

4.1.3 Whole-file Buffering for MIDI Formats ............................................................................................... 201

4.1.4 General Enumerations .......................................................................................................................... 201

4.1.5 Parameter and Configuration Indexes ................................................................................................. 204

4.1.6 OMX_AUDIO_PORTDEFINITIONTYPE ........................................................................................... 206

4.1.7 OMX_AUDIO_PARAM_PORTFORMATTYPE .................................................................................. 207

4.1.8 OMX_AUDIO_PARAM_PCMMODETYPE ........................................................................................ 208

4.1.9 OMX_AUDIO_PARAM_MP3TYPE ..................................................................................................... 210

4.1.10 OMX_AUDIO_PARAM_AACPROFILETYPE .................................................................................... 212

4.1.11 OMX_AUDIO_PARAM_VORBISTYPE ............................................................................................... 215

4.1.12 OMX_AUDIO_PARAM_WMATYPE ................................................................................................... 216

4.1.13 OMX_AUDIO_PARAM_RATYPE ........................................................................................................ 219

4.1.14 OMX_AUDIO_PARAM_SBCTYPE ..................................................................................................... 220

4.1.15 OMX_AUDIO_PARAM_ADPCMTYPE .............................................................................................. 221

4.1.16 OMX_AUDIO_PARAM_G723TYPE ................................................................................................... 222

4.1.17 OMX_AUDIO_PARAM_G726TYPE ................................................................................................... 223

4.1.18 OMX_AUDIO_PARAM_G729TYPE ................................................................................................... 224

4.1.19 OMX_AUDIO_PARAM_AMRTYPE .................................................................................................... 225

4.1.20 OMX_AUDIO_PARAM_GSMFRTYPE ............................................................................................... 231

4.1.21 OMX_AUDIO_PARAM_GSMEFRTYPE ............................................................................................. 232

4.1.22 OMX_AUDIO_PARAM_GSMHRTYPE ............................................................................................... 233

4.1.23 OMX_AUDIO_PARAM_TDMAFRTYPE ............................................................................................ 233

4.1.24 OMX_AUDIO_PARAM_TDMAEFRTYPE .......................................................................................... 234

4.1.25 OMX_AUDIO_PARAM_PDCFRTYPE ............................................................................................... 235

4.1.26 OMX_AUDIO_PARAM_PDCEFRTYPE ............................................................................................. 236

4.1.27 OMX_AUDIO_PARAM_PDCHRTYPE ............................................................................................... 237

4.1.28 OMX_AUDIO_PARAM_QCELP8TYPE .............................................................................................. 238

4.1.29 OMX_AUDIO_PARAM_QCELP13TYPE ............................................................................................ 239

4.1.30 OMX_AUDIO_PARAM_EVRCTYPE .................................................................................................. 240

4.1.31 OMX_AUDIO_PARAM_SMVTYPE ..................................................................................................... 242

4.1.32 OMX_AUDIO_PARAM_MIDITYPE ................................................................................................... 243

4.1.33 OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE ................................................................. 244

4.1.34 OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE ............................................................... 246

4.1.35 OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE ....................................................... 247

4.1.36 OMX_AUDIO_CONFIG_MIDICONTROLTYPE ............................................................................... 247

4.1.37 OMX_AUDIO_CONFIG_MIDISTATUSTYPE .................................................................................... 249

4.1.38 OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE ........................................................................... 251

4.1.39 OMX_AUDIO_CONFIG_MIDIMETAEVENTDATATYPE ................................................................ 252

4.1.40 OMX_AUDIO_CONFIG_VOLUMETYPE .......................................................................................... 252

4.1.41 OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE ........................................................................ 253

4.1.42 OMX_AUDIO_CONFIG_BALANCETYPE ......................................................................................... 254

4.1.43 OMX_AUDIO_CONFIG_MUTETYPE ................................................................................................ 254

4.1.44 OMX_AUDIO_CONFIG_CHANNELMUTETYPE ............................................................................. 255

4.1.45 OMX_AUDIO_CONFIG_LOUDNESSTYPE ...................................................................................... 256

4.1.46 OMX_AUDIO_CONFIG_BASSTYPE .................................................................................................. 256

4.1.47 OMX_AUDIO_CONFIG_TREBLETYPE ............................................................................................ 257

4.1.48 OMX_AUDIO_CONFIG_EQUALIZERTYPE ..................................................................................... 257

4.1.49 OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE ........................................................................ 258

4.1.50 OMX_AUDIO_CONFIG_CHORUSTYPE ........................................................................................... 259

4.1.51 OMX_AUDIO_CONFIG_REVERBERATIONTYPE ........................................................................... 260

4.1.52 OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE..................................................................... 262

4.1.53 OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE ........................................................................ 263

4.1.54 OMX_AUDIO_CONFIG_3DOUTPUTTYPE ...................................................................................... 263

4.1.55 OMX_AUDIO_CONFIG_3DLOCATIONTYPE .................................................................................. 264

4.1.56 OMX_AUDIO_PARAM_3DDOPPLERMODETYPE .......................................................................... 265

4.1.57 OMX_AUDIO_CONFIG_3DDOPPLERSETTINGSTYPE .................................................................. 265

4.1.58 OMX_AUDIO_CONFIG_3DLEVELSTYPE ........................................................................................ 266

4.1.59 OMX_AUDIO_CONFIG_3DDISTANCEATTENUATIONTYPE ........................................................ 267

4.1.60 OMX_AUDIO_CONFIG_3DDIRECTIVITYSETTINGSTYPE ............................................................ 268

4.1.61 OMX_AUDIO_CONFIG_3DDIRECTIVITYORIENTATIONTYPE .................................................... 269

4.1.62 OMX_AUDIO_CONFIG_3DMACROSCOPICORIENTATIONTYPE................................................ 269

4.1.63 OMX_AUDIO_CONFIG_3DMACROSCOPICSIZETYPE ................................................................. 270

4.1.64 OMX_AUDIO_CHANNELMAPPINGTYPE ........................................................................................ 271

4.1.65 OMX_AUDIO_SBCBITPOOLTYPE .................................................................................................... 272

4.1.66 OMX_AUDIO_AMRMODETYPE ........................................................................................................ 272

4.1.67 OMX_AUDIO_CONFIG_BITRATETYPE ........................................................................................... 273

4.1.68 OMX_AUDIO_CONFIG_AMRISFTYPE ............................................................................................ 273

4.1.69 OMX_AUDIO_FIXEDPOINTTYPE .................................................................................................... 274

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