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stream listeners as pointers.

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This commit is contained in:
Miroslav Šedivý
2021-02-06 17:05:25 +01:00
parent 5d66dcdb7b
commit 417a3d1692
3 changed files with 19 additions and 15 deletions
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22
internal/capture/stream.go
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@ -20,7 +20,7 @@ type StreamManagerCtx struct {
pipelineStr string
pipeline *gst.Pipeline
sample chan types.Sample
listeners map[uintptr]func(sample types.Sample)
listeners map[uintptr]*func(sample types.Sample)
emitMu sync.Mutex
emitUpdate chan bool
emitStop chan bool
@ -32,7 +32,7 @@ func streamNew(codec codec.RTPCodec, pipelineStr string) *StreamManagerCtx {
logger: log.With().Str("module", "capture").Str("submodule", "stream").Logger(),
codec: codec,
pipelineStr: pipelineStr,
listeners: map[uintptr]func(sample types.Sample){},
listeners: map[uintptr]*func(sample types.Sample){},
emitUpdate: make(chan bool),
emitStop: make(chan bool),
started: false,
@ -51,7 +51,7 @@ func streamNew(codec codec.RTPCodec, pipelineStr string) *StreamManagerCtx {
case sample := <-manager.sample:
manager.emitMu.Lock()
for _, emit := range manager.listeners {
emit(sample)
(*emit)(sample)
}
manager.emitMu.Unlock()
}
@ -72,20 +72,24 @@ func (manager *StreamManagerCtx) Codec() codec.RTPCodec {
return manager.codec
}
func (manager *StreamManagerCtx) AddListener(listener func(sample types.Sample)) {
func (manager *StreamManagerCtx) AddListener(listener *func(sample types.Sample)) {
manager.emitMu.Lock()
defer manager.emitMu.Unlock()
ptr := reflect.ValueOf(listener).Pointer()
manager.listeners[ptr] = listener
if listener != nil {
ptr := reflect.ValueOf(listener).Pointer()
manager.listeners[ptr] = listener
}
}
func (manager *StreamManagerCtx) RemoveListener(listener func(sample types.Sample)) {
func (manager *StreamManagerCtx) RemoveListener(listener *func(sample types.Sample)) {
manager.emitMu.Lock()
defer manager.emitMu.Unlock()
ptr := reflect.ValueOf(listener).Pointer()
delete(manager.listeners, ptr)
if listener != nil {
ptr := reflect.ValueOf(listener).Pointer()
delete(manager.listeners, ptr)
}
}
func (manager *StreamManagerCtx) Start() error {