[Vorbis] ov_open_callbacks takes so much time to open 210 MB OGG file

[Gregory Maxwell]

On Thu, Dec 6, 2012 at 4:19 AM, Pavel Nikitenko <pavnsw at gmail.com> wrote:
> Only difference is that the file is not created at once via audio recording.
> But step by step appended to it to the end of file. Every time the audio
> recording is stopped and then after some time started audio record
> again. Similar like concat command does.

So its a chained file?

Well— files with a lot of chaining fundamentally take a bit longer to open.

Opusfile has a lot of intelligence for doing this rapidly that vorbisfile lacks,
so there may be an good opportunity for improvement there.