Files
gortsplib/pkg/multibuffer/multibuffer.go
2021-03-07 16:53:53 +01:00

31 lines
741 B
Go

// Package multibuffer contains a buffer with multiple levels.
package multibuffer
// MultiBuffer implements software multi buffering, that allows to reuse
// existing buffers without creating new ones, improving performance.
type MultiBuffer struct {
count uint64
buffers [][]byte
cur uint64
}
// New allocates a MultiBuffer.
func New(count uint64, size uint64) *MultiBuffer {
buffers := make([][]byte, count)
for i := uint64(0); i < count; i++ {
buffers[i] = make([]byte, size)
}
return &MultiBuffer{
count: count,
buffers: buffers,
}
}
// Next gets the current buffer and sets the next buffer as the current one.
func (mb *MultiBuffer) Next() []byte {
ret := mb.buffers[mb.cur%mb.count]
mb.cur++
return ret
}