MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Dokumentacja Pobierz pdf (Strona 150)

Chapter 472

} else {

// Stop publishing recorded stream

out_ns.publish(false);

// Close the stream so that we can use the same to publish again

out_ns.close();

// Set the label to "Record"

Record_btn.setLabel("Record");

// Update the recording state

RecState_box.text = 0;

showSnapshot();

}

// Show the snapshot by attaching the stream to the SnapView_video

// video object and playing it

function showSnapshot() {

// Create a new movie clip from the exportable movie clip View_mc,

// which contains a video object, SnapView_video. Provide a new name, and

// depth (a number relative to the other View_mcs on the stage used

// to prevent collision)

_root.attachMovie("View_mc", "Snapshot_mc", numSnaps);

// Attach the input stream to the SnapView_video video object

// in the v instance of the View_mc movie

Snapshot_mc.SnapView_video.attachVideo(in_ns);

Snapshot_mc._x=375;

Snapshot_mc._y=225;

// Play the recording

in_ns.play("myRecording"+numSnaps);

// Update the counter for the number of snapshots for next time.

numSnaps++;

}

// Connect to the server

doConnect();

// Initialize the streams

initStreams();

Thumbnails

Thumbnails are a smaller, discrete version of an original recording. Like snapshots, they provide

single-frame representations of recorded video stream. In the snapshot example, you are only

sending one frame of data. In this sample, you are playing only the first frame of a recorded

stream.

In the previous example, you used the snapShotMilliseconds property of the

NetStream.attachVideo object to get a snapshot of your stream. In this sample, you also need

to get a one frame picture of a stream. Here, however, you use a call to

NetStream.play:

thumbStream.play("myRecording", 0, 0, true)

If you look at the NetStream.play entry in the Client-Side Communication ActionScript

Dictionary, you can see that the first parameter describes what to play,

"myRecording"; while the

second is where to begin on the stream (0 means at the start of a recorded stream); the third,

where to end (0 means play only one frame); and the fourth tells the Player to flush any previous

play streams.

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