Begin streaming on a source - PHP中文帮助手册

openal_stream ( resource $source , int $format , int $rate ) : resource

source: An Open AL(Source) resource (previously created by openal_source_create()).
format: Format of data, one of: AL_FORMAT_MONO8, AL_FORMAT_MONO16, AL_FORMAT_STEREO8 和 AL_FORMAT_STEREO16
rate: Frequency of data to stream given in Hz.

Returns a stream resource on success 或者在失败时返回 FALSE.