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5a420ece3b
01. Support GB config as StreamCaster. 02. Support disable GB by --gb28181=off. 03. Add utests for SIP examples. 04. Wireshark plugin to decode TCP/9000 as rtp.rfc4571 05. Support MPEGPS program stream codec. 06. Add utest for PS stream codec. 07. Decode MPEGPS packet stream. 08. Carry RTP and PS packet as helper in PS message. 09. Support recover from error mode. 10. Support process by a pack of PS/TS messages. 11. Add statistic for recovered and msgs dropped. 12. Recover from err position fastly. 13. Define state machine for GB session. 14. Bind context to GB session. 15. Re-invite when media disconnected. 16. Update GitHub actions with GB28181. 17. Support parse CANDIDATE by env or pip. 18. Support mux GB28181 to RTMP. 19. Support regression test by srs-bench.
87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package pool
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import (
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"sync"
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"github.com/gobwas/pool/internal/pmath"
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)
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var DefaultPool = New(128, 65536)
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// Get pulls object whose generic size is at least of given size. It also
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// returns a real size of x for further pass to Put(). It returns -1 as real
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// size for nil x. Size >-1 does not mean that x is non-nil, so checks must be
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// done.
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//
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// Note that size could be ceiled to the next power of two.
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//
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// Get is a wrapper around DefaultPool.Get().
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func Get(size int) (interface{}, int) { return DefaultPool.Get(size) }
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// Put takes x and its size for future reuse.
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// Put is a wrapper around DefaultPool.Put().
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func Put(x interface{}, size int) { DefaultPool.Put(x, size) }
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// Pool contains logic of reusing objects distinguishable by size in generic
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// way.
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type Pool struct {
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pool map[int]*sync.Pool
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size func(int) int
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}
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// New creates new Pool that reuses objects which size is in logarithmic range
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// [min, max].
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//
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// Note that it is a shortcut for Custom() constructor with Options provided by
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// WithLogSizeMapping() and WithLogSizeRange(min, max) calls.
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func New(min, max int) *Pool {
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return Custom(
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WithLogSizeMapping(),
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WithLogSizeRange(min, max),
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)
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}
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// Custom creates new Pool with given options.
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func Custom(opts ...Option) *Pool {
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p := &Pool{
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pool: make(map[int]*sync.Pool),
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size: pmath.Identity,
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}
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c := (*poolConfig)(p)
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for _, opt := range opts {
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opt(c)
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}
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return p
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}
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// Get pulls object whose generic size is at least of given size.
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// It also returns a real size of x for further pass to Put() even if x is nil.
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// Note that size could be ceiled to the next power of two.
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func (p *Pool) Get(size int) (interface{}, int) {
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n := p.size(size)
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if pool := p.pool[n]; pool != nil {
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return pool.Get(), n
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}
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return nil, size
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}
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// Put takes x and its size for future reuse.
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func (p *Pool) Put(x interface{}, size int) {
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if pool := p.pool[size]; pool != nil {
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pool.Put(x)
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}
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}
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type poolConfig Pool
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// AddSize adds size n to the map.
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func (p *poolConfig) AddSize(n int) {
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p.pool[n] = new(sync.Pool)
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}
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// SetSizeMapping sets up incoming size mapping function.
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func (p *poolConfig) SetSizeMapping(size func(int) int) {
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p.size = size
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}
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