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To analyze the code, let's take the version of file stream-snapshot.js with hash 6f0eb5fa1576abc0e4008d52768af56977c7ed6166cc393, which is available here and and can be downloaded with corresponding build 0.5.28.152753.1977133.
1. Initialization of the API.
Flashphoner.init() code
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Flashphoner.init({flashMediaProviderSwfLocation: '../../../../media-provider.swf'}); |
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Flashphoner.createSession() code
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Flashphoner.createSession({urlServer: url}).on(SESSION_STATUS.ESTABLISHED, function(session){ //session connected, start streaming startStreaming(session); }).on(SESSION_STATUS.DISCONNECTED, function(){ setStatus(SESSION_STATUS.DISCONNECTED); $('#url').prop('disabled', false); onUnpublished(); }).on(SESSION_STATUS.FAILED, function(){ setStatus(SESSION_STATUS.FAILED); $('#url').prop('disabled', false); onUnpublished(); }); |
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ConnectionStatusEvent ESTABLISHED code
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Flashphoner.createSession({urlServer: url}).on(SESSION_STATUS.ESTABLISHED, function(session){ //session connected, start streaming startStreaming(session); }).on(SESSION_STATUS.DISCONNECTED, function(){ ... }).on(SESSION_STATUS.FAILED, function(){ ... }); |
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session.createStream(), publish() code
When stream is created, the following parameters are passed
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StreamStatusEvent PUBLISHING code
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session.createStream({ name: streamName, display: localVideo, cacheLocalResources: true, receiveVideo: false, receiveAudio: false... }).on(STREAM_STATUS.PUBLISHING, function(publishStream){ setStatus(STREAM_STATUS.PUBLISHING); onPublishing(publishStream); }).on(STREAM_STATUS.UNPUBLISHED, function(){ ... }).on(STREAM_STATUS.FAILED, function(){ ... }).publish(); |
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session.createStream(), snapshot() code
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session.createStream({name: name}).on(STREAM_STATUS.SNAPSHOT_COMPLETE, function(stream){ ... }).snapshot(); |
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StreamStatusEvent SNAPSHOT_COMPLETE code
On receivng the event, stream.getInfo() method returns snapshot in base64 encoding. Then stream created to take snapshot is stopped.
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8. Streaming stop
stream.stop() code
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function onPublishing(stream) { $("#publishBtn").text("Stop").off('click').click(function(){ $(this).prop('disabled', true); stream.stop(); }).prop('disabled', false); $("#snapshotBtn").off('click').click(function(){ $(this).prop('disabled', true); snapshot(stream.name()); }).prop('disabled', false); } |
9. Receiving the event confirming successful streaming stop
StreamStatusEvent UNPUBLISHED code
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session.createStream({ name: streamName, display: localVideo, cacheLocalResources: true, receiveVideo: false, receiveAudio: false... }).on(STREAM_STATUS.PUBLISHING, function(publishStream){ ... }).on(STREAM_STATUS.UNPUBLISHED, function(){ setStatus(STREAM_STATUS.UNPUBLISHED); //enable start button onUnpublished(); }).on(STREAM_STATUS.FAILED, function(){ ... }).publish(); |