| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Media Capture from DOM Elements (video/audio) Browser Test</title> |
| </head> |
| <body> |
| <div> Capture and playback from video/audio elements.</div> |
| <video id="video"></video> |
| <audio id="audio"></audio> |
| </body> |
| <script type="text/javascript" src="webrtc_test_utilities.js"></script> |
| <script> |
| |
| 'use strict'; |
| |
| const NUMBER_OF_EVENTS_TO_RECORD = 25; |
| |
| function testCaptureFromMediaElement(filename, |
| has_video, |
| has_audio, |
| use_audio_tag) { |
| const element = use_audio_tag ? document.getElementById('audio') |
| : document.getElementById('video'); |
| assertTrue(element, 'Error resolving tag'); |
| |
| element.src = filename; |
| element.onerror = function(e) { |
| failTest("error playing back [" + filename + "] " + e); |
| } |
| |
| var recorded_events = 0; |
| element.onloadedmetadata = function() { |
| const stream = element.captureStream(); |
| assertTrue(stream, 'Error creating MediaStream'); |
| assertEquals(has_video, stream.getVideoTracks().length); |
| assertEquals(has_audio, stream.getAudioTracks().length); |
| |
| const recorder = new MediaRecorder(stream); |
| assertTrue(recorder, 'Error creating recorder out of the MediaStream'); |
| |
| recorder.ondataavailable = function(event) { |
| if (++recorded_events > NUMBER_OF_EVENTS_TO_RECORD) |
| reportTestSuccess(); |
| }; |
| |
| recorder.start(0); |
| element.play(); |
| }; |
| } |
| |
| </script> |
| </body> |
| </html> |
