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TPEPlatform/WebRTC B2G: Difference between revisions
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→Threads in WebRTC
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# process thread (worker thread in GIPS): doing many other tasks. Process thread has a task queue for client to inject tasks into. | # process thread (worker thread in GIPS): doing many other tasks. Process thread has a task queue for client to inject tasks into. | ||
Basically, we may divide these threads into three categories. | Basically, we may divide these threads into three categories. | ||
*encode path | *'''encode path''' | ||
**Encode path start from capture(getUserMedia). | **Encode path start from capture(getUserMedia). | ||
** MediaPipelineListner listen update notification(NotifyQueueTrackChanges) from MSG Run Thread and | **MediaPipelineListner listen update notification(NotifyQueueTrackChanges) from MSG Run Thread and | ||
*** Encode audio chunks in MSG Run Thread. | ***Encode audio chunks in MSG Run Thread. | ||
*** Encode video chunks in another thread(ViECapter Thread). | ***Encode video chunks in another thread(ViECapter Thread). | ||
**** Put Encoded media data into Transport Service Thread to network | ****Put Encoded media data into Transport Service Thread to network | ||
<gallery> | <gallery> | ||
FIle:Camera_cap_.jpg|Camera capture | FIle:Camera_cap_.jpg|Camera capture | ||
File:MicCapture_.jpg|Mic capture | File:MicCapture_.jpg|Mic capture | ||
</gallery> | </gallery> | ||
*decode path | *'''decode path''' | ||
** ''Steven, please update whole story from network/ jitter buffer to renderer.'' | **''Steven, please update whole story from network/ jitter buffer to renderer.'' | ||
<gallery> | <gallery> | ||
File:AudioDecode_.jpg|Audio decode | File:AudioDecode_.jpg|Audio decode | ||
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File:ReceiveRTPPakcets_.jpg|RTP receive | File:ReceiveRTPPakcets_.jpg|RTP receive | ||
</gallery> | </gallery> | ||
*Process dispatcher threads | *'''Process dispatcher threads''' | ||
RTCP - NACK/ Statistic | **RTCP - NACK/ Statistic | ||
<gallery> | <gallery> | ||
File:ProcessThread_.jpg|Process threads | File:ProcessThread_.jpg|Process threads | ||
</gallery> | </gallery> | ||