Example of streamer with recording of published video stream

This streamer can be used to publish and record WebRTC streams on Web Call Server

On the screenshot below streaming from the client has been stopped.

Image RemovedImage Added

While publishing, video from the camera is played in 'My Video'.
When streaming is stopped, recording of the video stream becomes available for downloading and playback in the player on the right side of the page.

Code of the example

The path to the source code of the example on WCS server is:

...

Here host is the address of the WCS server.

...

Analizing the code

To analyze the code, let's take the version of file recording.js with hash 51703a2 ecbadc3, which is available here and and can be downloaded with corresponding build 2.0.5.28.2753.141.212.

1. Initialization of the API

Flashphoner.init()   code

Flashphoner.init({flashMediaProviderSwfLocation: '../../../../media-provider.swf'});

2. Connection to server.

Flashphoner.createSession()   code

Flashphoner.createSession({urlServer: url}).on(SESSION_STATUS.ESTABLISHED, function(session){
    setStatus(session.status());
    //session connected, start playback
    publishStream(session);...
}).on(SESSION_STATUS.DISCONNECTED, function(){
    setStatus(SESSION_STATUS.DISCONNECTED);
    onStopped();...
}).on(SESSION_STATUS.FAILED, function(){
    setStatus(SESSION_STATUS.FAILED);
    onStopped();...
});

3. Receiving the event confirming successful connection

ConnectionStatusEvent ESTABLISHED ESTABLISHED code

Flashphoner.createSession({urlServer: url}).on(SESSION_STATUS.ESTABLISHED, function(session){
    setStatus(session.status());
    //session connected, start playback
    publishStream(session);
}).on(SESSION_STATUS.DISCONNECTED, function(){
    ...
}).on(SESSION_STATUS.FAILED, function(){
    ...
});

...

session.createStream(), publish()   code
When stream is created, the following parameters are passed

...

5. Receiving the event confirming successful streaming

StreamStatusEvent PUBLISHING PUBLISHING code

session.createStream({
    ...
}).on(STREAM_STATUS.PUBLISHING, function(stream) {
    setStatus(stream.status());
    onStarted(stream);
}).on(STREAM_STATUS.UNPUBLISHED, function(stream) {
    ...
}).on(STREAM_STATUS.FAILED, function(stream) {
    ...
}).publish();

6. Streaming stop

stream.stop()   code

function onStarted(stream) {
    $("#publishBtn").text("Stop").off('click').click(function(){
        $(this).prop('disabled', true);
        stream.stop();
    }).prop('disabled', false);
}

7. Receiving the event confirming successful streaming stop

StreamStatusEvent UNPUBLISHED UNPUBLISHED code

On receiving the event, showDownloadLink() function is called to form the record file download link. The record file name returned by stream.getRecordInfo() method passed to the showDownloadLink() function.

session.createStream({
    ...
}).on(STREAM_STATUS.PUBLISHING, function(stream) {
    ...
}).on(STREAM_STATUS.UNPUBLISHED, function(stream) {
    setStatus(stream.status());
    showDownloadLink(stream.getRecordInfo());
    onStopped();
}).on(STREAM_STATUS.FAILED, function(stream) {
    ...
}).publish();

8. Download link.

code

function showDownloadLink(name) {
    if (name) {
        // Set correct path for records. Stream records are saved to WCS_HOME/records directory.
        // http://flashphoner.com/docs/wcs4/wcs_docs/html/en/wcs-developer-guide/quick_start_recording_streams.htm
        var link = window.location.protocol + "//" + window.location.host + '/client/records/' + name;
        $("#link").attr("href", link);
        $("#recVideo").attr("src", link).attr("controls", true);
        $("#downloadDiv").show();
    }
}

...