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change Streams()

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This commit is contained in:
nareix 2016-06-12 08:53:06 +08:00
parent a09ee38028
commit c437a98c93
2 changed files with 17 additions and 6 deletions
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2
av.go
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@ -140,7 +140,7 @@ type Muxer interface {
type Demuxer interface {
ReadPacket() (int, Packet, error)
Streams() []CodecData
Streams() ([]CodecData, error)
}
type Packet struct {

21
transcode/transcode.go
View File

@ -45,7 +45,10 @@ func (self *Transcoder) Setup(streams []av.CodecData) (err error) {
}
self.queue = &pktreorder.Queue{}
self.queue.Alloc(self.Streams())
var newstreams []av.CodecData
newstreams, _ = self.Streams()
self.queue.Alloc(newstreams)
return
}
@ -105,7 +108,7 @@ func (self *Transcoder) ReadPacket() (i int, pkt av.Packet, err error) {
return self.queue.ReadPacket()
}
func (self *Transcoder) Streams() (streams []av.CodecData) {
func (self *Transcoder) Streams() (streams []av.CodecData, err error) {
for _, stream := range self.streams {
streams = append(streams, stream.CodecData)
}
@ -133,7 +136,11 @@ func (self *Muxer) WriteHeader(streams []av.CodecData) (err error) {
if err = self.Transcoder.Setup(streams); err != nil {
return
}
if err = self.Muxer.WriteHeader(self.Transcoder.Streams()); err != nil {
var newstreams []av.CodecData
if newstreams, err = self.Transcoder.Streams(); err != nil {
return
}
if err = self.Muxer.WriteHeader(newstreams); err != nil {
return
}
return
@ -178,7 +185,11 @@ type Demuxer struct {
}
func (self *Demuxer) Setup() (err error) {
if err = self.Transcoder.Setup(self.Demuxer.Streams()); err != nil {
var streams []av.CodecData
if streams, err = self.Demuxer.Streams(); err != nil {
return
}
if err = self.Transcoder.Setup(streams); err != nil {
return
}
return
@ -201,7 +212,7 @@ func (self *Demuxer) ReadPacket() (i int, pkt av.Packet, err error) {
}
}
func (self *Demuxer) Streams() []av.CodecData {
func (self *Demuxer) Streams() ([]av.CodecData, error) {
return self.Transcoder.Streams()
}