diff options
| author | pbos@webrtc.org <pbos@webrtc.org> | 2014-10-31 13:08:10 +0000 |
|---|---|---|
| committer | pbos@webrtc.org <pbos@webrtc.org> | 2014-10-31 13:08:10 +0000 |
| commit | ddb84aa1960bce3e2b0f23eb27ef5445782f6bac (patch) | |
| tree | e76dfdd2ac8d0164fb635ccc88affdc6ecc20828 /config.h | |
| parent | fbdea257611c590d52de037e28ab830a869976c9 (diff) | |
| download | webrtc-ddb84aa1960bce3e2b0f23eb27ef5445782f6bac.tar.gz | |
Implement conference-mode temporal-layer screencast.
Renames VideoStream::temporal_layers to temporal_layer_thresholds_bps to
convey that it contains thresholds needed to ramp up between them (1
threshold -> 2 temporal layers, etc.).
R=mflodman@webrtc.org, stefan@webrtc.org
BUG=1788,1667
Review URL: https://webrtc-codereview.appspot.com/23269004
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@7578 4adac7df-926f-26a2-2b94-8c16560cd09d
Diffstat (limited to 'config.h')
| -rw-r--r-- | config.h | 13 |
1 files changed, 11 insertions, 2 deletions
@@ -104,8 +104,17 @@ struct VideoStream { int max_qp; - // Bitrate thresholds for enabling additional temporal layers. - std::vector<int> temporal_layers; + // Bitrate thresholds for enabling additional temporal layers. Since these are + // thresholds in between layers, we have one additional layer. One threshold + // gives two temporal layers, one below the threshold and one above, two give + // three, and so on. + // The VideoEncoder may redistribute bitrates over the temporal layers so a + // bitrate threshold of 100k and an estimate of 105k does not imply that we + // get 100k in one temporal layer and 5k in the other, just that the bitrate + // in the first temporal layer should not exceed 100k. + // TODO(pbos): Apart from a special case for two-layer screencast these + // thresholds are not propagated to the VideoEncoder. To be implemented. + std::vector<int> temporal_layer_thresholds_bps; }; struct VideoEncoderConfig { |