Closed Bug 1330676 Opened 4 years ago Closed 4 years ago

MediaRecorder's CBR setting causes really bad perceived video quality

Categories

(Core :: Audio/Video: Recording, defect, P2)

defect

Tracking

()

RESOLVED FIXED
mozilla53
Tracking Status
firefox53 --- fixed

People

(Reporter: pehrsons, Assigned: pehrsons)

Details

Attachments

(1 file)

The reason for CBR is unclear. It seems more like a WebRTC setting where you have to account for available bandwidth. MediaRecorder records to a file though, so it doesn't have that constraint.

Just comparing CBR and VBR builds locally with musicvideodispenser.com, the difference is huge.
Assignee: nobody → pehrson
Status: NEW → ASSIGNED
Rank: 25
Priority: -- → P2
Comment on attachment 8826235 [details]
Bug 1330676 - Use VBR in VP8TrackEncoder.

https://reviewboard.mozilla.org/r/104226/#review105106
Attachment #8826235 - Flags: review?(bechen) → review+
Comment on attachment 8826235 [details]
Bug 1330676 - Use VBR in VP8TrackEncoder.

https://reviewboard.mozilla.org/r/104226/#review105366
Attachment #8826235 - Flags: review?(tterribe) → review+
Pushed by pehrsons@gmail.com:
https://hg.mozilla.org/integration/autoland/rev/00f3061cb568
Use VBR in VP8TrackEncoder. r=bechen,derf
https://hg.mozilla.org/mozilla-central/rev/00f3061cb568
Status: ASSIGNED → RESOLVED
Closed: 4 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla53
You need to log in before you can comment on or make changes to this bug.