Confirmed users
656
edits
User:David.humphrey/Audio Data API 2: Difference between revisions
→nsIDOMHTMLAudioElement additions
| Line 308: | Line 308: | ||
The '''mozWriteAudio()''' method can be called after '''mozSetup()'''. It allows audio data to be written directly from script. It takes one argument: | The '''mozWriteAudio()''' method can be called after '''mozSetup()'''. It allows audio data to be written directly from script. It takes one argument: | ||
# '''array''' - this is a JS Array (e | # '''array''' - this is a JS Array (i.e., new Array()) or a typed float array (i.e., new Float32Array()) containing the audio data (floats) you wish to write. It must be 0 or N (where N % channels == 0) elements in length, otherwise a DOM error occurs. | ||
The '''mozCurrentSampleOffset()''' method can be called after '''mozSetup()'''. It returns the current position (measured in samples) of the audio stream. This is useful when determining how much data to write with '''mozWriteAudio()'''. | The '''mozCurrentSampleOffset()''' method can be called after '''mozSetup()'''. It returns the current position (measured in samples) of the audio stream. This is useful when determining how much data to write with '''mozWriteAudio()'''. | ||