[Vorbis] seeking_test.c and chaining_example.c

[Chris Harrington (Personal)]

Rafa,

Just to let you know, posting the same question twice is not going to 
give you a faster response.

Seeking is the process of jumping to an arbitrary point in a seekable 
stream. If you open up an audio player and start a track, then click on 
a point in the track (say, 1 minute, 37 seconds), that is seeking.

Chaining is the process of placing two logical streams into one physical 
stream. In other words, you can take two tracks from a CD and put them 
together, just like some CD tracks are designed to be heard sequentially 
(Like Tool's Parabol/Parabola).

This "chained" track is seen as a single valid stream by any compliant 
player. The player also should update the track information when the 
second logical stream begins (say, changing the track title on the user 
interface) to be completely compliant.

-Chris

Rafa Zafra Fuentes wrote:
> which is the purpose of this functions?
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