rtmp直播流程
2014年6月24日
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下面是通过RTMP抓包所得,左侧是客户端Flash Media Live Encoder,右侧是服务器Flash Media Server
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+--------------+ +--------------+ | Client(FMLE) | | Server (FMS) | +--------------+ +--------------+ | | | C0 C1 | |---------------------------------------------------> +---- | | | S0 S1 S2 | | <---------------------------------------------------| handshake | | | C2 | |---------------------------------------------------> +---- | | | connect('live_server') | |---------------------------------------------------> | | | | Windows Acknowledgement Size 2500000 | | <---------------------------------------------------| | | connect | Set Peer BandWith 2500000,Dynamic | | <---------------------------------------------------| | | | Set Chunk Size 1024 | | <---------------------------------------------------| | | | _result('NetConnection.Connect.Success') | | <---------------------------------------------------+---- | | | releaseStream('livestream') | |---------------------------------------------------> | | | | FCPulbic('livestream') | |---------------------------------------------------> | | | | createStream() | |---------------------------------------------------> | publish | | | _result() | | <---------------------------------------------------| | | | publish('livestream?videoKeyframeFrequency=5') | |---------------------------------------------------> | | | | Set Chunk Size 1024 | |---------------------------------------------------> | | | | onStatus('NetStream.Publish.Start') | | <---------------------------------------------------+---- | | | @setDataFrame() | |---------------------------------------------------> | | | | Video Data | |---------------------------------------------------> | | | | Set Chunk Size 418 | |---------------------------------------------------> | | | | Audio Data | |---------------------------------------------------> | | | av data | Audio Data | |---------------------------------------------------> | | | | Video Data | |---------------------------------------------------> | | | | Audio Data | |---------------------------------------------------> | | | | Audio Data | |---------------------------------------------------> | | | | Video Data | |---------------------------------------------------> | | | | FCUnpublish() | |---------------------------------------------------> +---- | | | closeStream() | |---------------------------------------------------> | | | close | onStatus('NetStream.Unpublish.Success') | | <---------------------------------------------------| | | | deleteStream() | |---------------------------------------------------> +---- | | | | |