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Reduce time between sync frames for temporal layers vp8 screensharing.

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This is expected to result in a slight loss of overall quality, but
should offset by quicker switching between temporal layers with flaky
connections.

Bug: webrtc:7694
Change-Id: Ib605802bb59f12773652324ac66cdf4774ae6bb6
Reviewed-on: https://webrtc-review.googlesource.com/6881
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20160}
This commit is contained in:
Erik Språng
2017-10-05 12:20:36 +02:00
parent 5fd6e5ec1f
commit 13044c1b53
2 changed files with 4 additions and 4 deletions
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4
modules/video_coding/codecs/vp8/screenshare_layers.cc
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@ -25,8 +25,8 @@
namespace webrtc {
static const int kOneSecond90Khz = 90000;
static const int kMinTimeBetweenSyncs = kOneSecond90Khz * 5;
static const int kMaxTimeBetweenSyncs = kOneSecond90Khz * 10;
static const int kMinTimeBetweenSyncs = kOneSecond90Khz * 2;
static const int kMaxTimeBetweenSyncs = kOneSecond90Khz * 4;
static const int kQpDeltaThresholdForSync = 8;
static const int kMinBitrateKbpsForQpBoost = 500;

4
modules/video_coding/codecs/vp8/screenshare_layers_unittest.cc
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@ -35,8 +35,8 @@ const int kDefaultQp = 54;
const int kDefaultTl0BitrateKbps = 200;
const int kDefaultTl1BitrateKbps = 2000;
const int kFrameRate = 5;
const int kSyncPeriodSeconds = 5;
const int kMaxSyncPeriodSeconds = 10;
const int kSyncPeriodSeconds = 2;
const int kMaxSyncPeriodSeconds = 4;
// Expected flags for corresponding temporal layers.
const int kTl0Flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |