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Tune QP threshold for HW codecs.

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Lower down bad thresholds a bit to avoid staying
at 720p resolution at 300 - 500 kbps.

R=wzh@webrtc.org

Review URL: https://codereview.webrtc.org/1954433002 .

Cr-Commit-Position: refs/heads/master@{#12633}
This commit is contained in:
Alex Glaznev
2016-05-04 12:58:22 -07:00
parent 600246e63f
commit fac23f00ef
1 changed files with 3 additions and 3 deletions
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6
webrtc/api/java/jni/androidmediaencoder_jni.cc
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@ -392,15 +392,15 @@ int32_t MediaCodecVideoEncoder::InitEncode(
// always = 127. Note that in SW, QP is that of the user-level range [0,
// 63].
const int kLowQpThreshold = 29;
const int kBadQpThreshold = 100;
const int kBadQpThreshold = 90;
quality_scaler_.Init(kLowQpThreshold, kBadQpThreshold,
codec_settings->startBitrate, codec_settings->width,
codec_settings->height,
codec_settings->maxFramerate);
} else if (codecType_ == kVideoCodecH264) {
// H264 QP is in the range [0, 51].
const int kLowQpThreshold = 24;
const int kBadQpThreshold = 39;
const int kLowQpThreshold = 22;
const int kBadQpThreshold = 35;
quality_scaler_.Init(kLowQpThreshold, kBadQpThreshold,
codec_settings->startBitrate, codec_settings->width,
codec_settings->height,