mirror of https://bitbucket.org/ausocean/av.git
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
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package parser
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type mjpegParser struct {
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inputBuffer []byte
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isParsing bool
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parserOutputChanRef chan []byte
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userOutputChanRef chan []byte
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inputChan chan byte
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}
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func NewMJPEGParser(inputChanLen int) (p *mjpegParser){
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p = new(mjpegParser)
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p.isParsing = true
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p.inputChan = make(chan byte, inputChanLen )
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return
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}
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func (p *mjpegParser)Stop(){
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p.isParsing = false
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}
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func (p *mjpegParser)Start(){
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go p.parse()
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}
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func (p *mjpegParser)GetInputChan() chan byte {
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return p.inputChan
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}
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func (p *mjpegParser)GetOutputChan() chan []byte {
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return p.userOutputChanRef
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}
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func (p *mjpegParser)SetOutputChan(aChan chan []byte){
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p.parserOutputChanRef = aChan
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p.userOutputChanRef = aChan
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}
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func (p *mjpegParser)parse() {
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var outputBuffer []byte
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for p.isParsing {
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aByte := <-p.inputChan
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outputBuffer = append(outputBuffer, aByte)
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if aByte == 0xFF && len(outputBuffer) != 0 {
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aByte := <-p.inputChan
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outputBuffer = append(outputBuffer, aByte)
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if aByte == 0xD8 {
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p.parserOutputChanRef<-outputBuffer[:len(outputBuffer)-2]
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outputBuffer = outputBuffer[len(outputBuffer)-2:]
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}
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}
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}
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}
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