On Tue, Jul 23, 2013 at 3:26 PM, Robert O'Callahan <robert@ocallahan.org>wrote: > On Wed, Jul 24, 2013 at 9:18 AM, Chris Rogers <crogers@google.com> wrote: > >> On Tue, Jul 23, 2013 at 1:10 PM, Chris Wilson <cwilso@google.com> wrote: >> >>> OK. I want to load an audio file, perform some custom analysis on it >>> (e.g. determine average volume), perform some custom (offline) processing >>> on the buffer based on that analysis (e.g. soft limiting), and then play >>> the resulting buffer. >>> >> > My original proposal (as implemented in Gecko) makes no extra copies here. > The play operation neuters the JS array(s) and migrates the data to the > audio thread. > I must be looking at the wrong proposal. ( http://lists.w3.org/Archives/Public/public-audio/2013AprJun/0644.html) implies the load (which would create an AudioBuffer) creates one instance of the data, and the "acquire contents" (in order to perform analysis and processing) would create a copy.
Received on Friday, 26 July 2013 16:18:35 UTC