Also add support for format tags.
Also change default fragment_duration to 10s, i.e. to have the same
value as --segment_duration. So by default, only one fragment per
(sub)segment is generated.
Change-Id: I21123723c3998b656037a397eb7b58b3d91721bb
This CL also includes two related changes:
1. Support serialization of raw PSSH box;
2. Refactor segmenter interface a bit.
Change-Id: I668aa01a5a5ff524ad6fe74976339a3fd499120a
Thomas Inskip
KongQun Yang