Flash Video
Packets
After the header, the file is split into packets called "FLV tags", which have 15-byte packet headers. The first four bytes denote the size of the previous packet/tag (including the header), and aid in seeking backward.

Flash Video

Section Title: Packets
Table Section Text: After the header, the file is split into packets called "FLV tags", which have 15-byte packet headers. The first four bytes denote the size of the previous packet/tag (including the header), and aid in seeking backward.

Id	Video encoding

0	RGB

1	run-length

2	Sorenson's H.263

3	Screen 1

4	On2 TrueMotion VP6

5	VP6 with alpha

6	Screen 2

7	MP4 H.264

8	ITU H.263

9	MPEG-4 ASP.

Sentence(s)

Flash Video encoded H.263 as the video standard, under the name Sorenson Spark.

final_sentence: Flash Video encoded H.263 as the video standard, under the name Sorenson Spark.