mp4

Golang mp4 reader and writer

Reader example

m, _ := mp4.Open("test.mp4")
log.Printf("video %dx%d", m.W, m.H)
log.Printf("duration %.2fs", m.Dur)
m.SeekKey(32.0) // seek to nearest keyframe
pkts := m.ReadDur(2.0) // read packets in 2s

Writer example

m, _ := mp4.Create("out.mp4")
m.WriteAAC(pkt)
m.WriteH264(pkt)
m.Close()