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demuxer: check nalu type

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This commit is contained in:
nareix 2016-07-01 18:22:33 +08:00
parent 6ceb48ab20
commit 8c0225de82
1 changed files with 9 additions and 0 deletions
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9
demuxer.go
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@ -382,6 +382,15 @@ func (self *Stream) readPacket() (pkt av.Packet, err error) {
return
}
switch self.Type() {
case av.H264:
if typ := h264parser.CheckNALUsType(pkt.Data); typ != h264parser.NALU_AVCC {
err = fmt.Errorf("mp4: demuxer: h264 nalu format=%d invalid", typ)
return
}
pkt.Data = pkt.Data[4:]
}
if self.sample.SyncSample != nil {
if self.sample.SyncSample.Entries[self.syncSampleIndex]-1 == self.sampleIndex {
pkt.IsKeyFrame = true