LXXXIX. OpenAL Audio Bindings
简介
Platform independent audio bindings. Requires the OpenAL library.
安装
本 PECL 扩展未绑定于 PHP 中。
进一步信息例如新版本，下载，源程序，维护者信息以及更新日志可以在此找到： http://pecl.php.net/package/openal.
可以从 PHP 下载页面或者 http://snaps.php.net/ 下载此 PECL 扩展的 DLL 文件。
运行时配置
本扩展模块在 php.ini 中未定义任何设置指令。
资源类型
This extension defines four resource types: Open AL(Device) - Returned by openal_device_open(), Open AL(Context) - Returned by openal_context_create(), Open AL(Buffer) - Returned by openal_buffer_create(), and Open AL(Source) - Returned by openal_source_create().
预定义常量
以下常量由本扩展模块定义，因此只有在本扩展模块被编译到 PHP 中，或者在运行时被动态加载后才有效。
- ALC_FREQUENCY (integer)
Context Attribute
- ALC_REFRESH (integer)
Context Attribute
- ALC_SYNC (integer)
Context Attribute
- AL_FREQUENCY (integer)
Buffer Setting
- AL_BITS (integer)
Buffer Setting
- AL_CHANNELS (integer)
Buffer Setting
- AL_SIZE (integer)
Buffer Setting
- AL_BUFFER (integer)
Source/Listener Setting (Integer)
- AL_SOURCE_RELATIVE (integer)
Source/Listener Setting (Integer)
- AL_SOURCE_STATE (integer)
Source/Listener Setting (Integer)
- AL_PITCH (integer)
Source/Listener Setting (Float)
- AL_GAIN (integer)
Source/Listener Setting (Float)
- AL_MIN_GAIN (integer)
Source/Listener Setting (Float)
- AL_MAX_GAIN (integer)
Source/Listener Setting (Float)
- AL_MAX_DISTANCE (integer)
Source/Listener Setting (Float)
- AL_ROLLOFF_FACTOR (integer)
Source/Listener Setting (Float)
- AL_CONE_OUTER_GAIN (integer)
Source/Listener Setting (Float)
- AL_CONE_INNER_ANGLE (integer)
Source/Listener Setting (Float)
- AL_CONE_OUTER_ANGLE (integer)
Source/Listener Setting (Float)
- AL_REFERENCE_DISTANCE (integer)
Source/Listener Setting (Float)
- AL_POSITION (integer)
Source/Listener Setting (Float Vector)
- AL_VELOCITY (integer)
Source/Listener Setting (Float Vector)
- AL_DIRECTION (integer)
Source/Listener Setting (Float Vector)
- AL_ORIENTATION (integer)
Source/Listener Setting (Float Vector)
- AL_FORMAT_MONO8 (integer)
PCM Format
- AL_FORMAT_MONO16 (integer)
PCM Format
- AL_FORMAT_STEREO8 (integer)
PCM Format
- AL_FORMAT_STEREO16 (integer)
PCM Format
- AL_INITIAL (integer)
Source State
- AL_PLAYING (integer)
Source State
- AL_PAUSED (integer)
Source State
- AL_STOPPED (integer)
Source State
- AL_LOOPING (integer)
Source State
- AL_TRUE (integer)
Boolean value recognized by OpenAL
- AL_FALSE (integer)
Boolean value recognized by OpenAL
- 目录
- openal_buffer_create -- Generate OpenAL buffer
- openal_buffer_data -- Load a buffer with data
- openal_buffer_destroy -- Destroys an OpenAL buffer
- openal_buffer_get -- Retrieve an OpenAL buffer property
- openal_buffer_loadwav -- Load a .wav file into a buffer
- openal_context_create -- Create an audio processing context
- openal_context_current -- Make the specified context current
- openal_context_destroy -- Destroys a context
- openal_context_process -- Process the specified context
- openal_context_suspend -- Suspend the specified context
- openal_device_close -- Close an OpenAL device
- openal_device_open -- Initialize the OpenAL audio layer
- openal_listener_get -- Retrieve a listener property
- openal_listener_set -- Set a listener property
- openal_source_create -- Generate a source resource
- openal_source_destroy -- Destroy a source resource
- openal_source_get -- Retrieve an OpenAL source property
- openal_source_pause -- Pause the source
- openal_source_play -- Start playing the source
- openal_source_rewind -- Rewind the source
- openal_source_set -- Set source property
- openal_source_stop -- Stop playing the source
- openal_stream -- Begin streaming on a source