Closed Bug 1414277 Opened 2 years ago Closed 1 year ago
Audio/Video delay present on very long recordings
[Environments:] Mac OsX 10.12 Windows 10 (x64) Windows 7 (x64) 58.0a1 20171103100331 [Steps:] 1. Open Firefox. 2. Go to: https://jsfiddle.net/pehrsons/7kgvL48e/ 3. Select/Check the Video box (square box) and Select Video Source - Screen (circle box) - in the right side of the page 4. Select/Check the Audio box (square box) and Select Audio Source - Microphone (circle box) - in the right side of the page 5. Setup the environment: -camera to point at the screen and mic/headphones to go together. -open http://youtubeonrepeat.com/watch/?v=FqpwNycAdQY 6. Press Start button. 7. Leave the recording going for a long period of time. (20h+) 8. Stop the recording (after the long recording) [Expected Result:] There is no A/V delay. [Actual Result:] On Windows 7 and 10, there is a delay noticeable, after 10hrs ~3-50ms, after 19h ~1s, after 25h ~2s. On OSX, the delay is slightly less noticeable and seems constant along the entire video recording(~0.5s). Weird enough, we didn't notice this delay on the test short recordings. We didn't manage to test this on Ubuntu, we ran out of space and due to time constrains, we couldn't redo the test. ( delay = the audio is lagging behind video ) [Expected Result:] Audio/Video stays synced during the entire recording.
Depends on: 1454983
Depends on: 1542685
Status: NEW → RESOLVED
Closed: 1 year ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1423253
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