The loadedmetadata event is a standard part of HTML5. Var audio = document.getElementById("audio") Īudio.addEventListener('MozAudioAvailable', audioAvailableFunction, false) Īudio.addEventListener('loadedmetadata', loadedMetadataFunction, false) Users of this API can register two callbacks on the or element in order to consume this data: Playing, pausing, and seeking the audio also affect the streaming of this raw audio data. The audio samples returned in the event are raw, and have not been adjusted for mute/volume settings on the media element. These samples may or may not have been played yet at the time of the event. As the audio is played, and therefore decoded, sample data is passed to content scripts in a framebuffer for processing after becoming available to the audio layer-hence the name, MozAudioAvailable. This API extends the HTMLMediaElement and HTMLAudioElement (e.g., affecting and ), and implements the following basic API for reading and writing raw audio data:Īudio data is made available via an event-based API. Please refer to the Audio Working Group website for further details. The World Wide Web Consortium (W3C) has chartered the Audio Working Group to develop standardized audio API specifications, including Web Audio API. This API is considered deprecated and may not be supported in future releases. Please note that this document describes a non-standard experimental API.
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