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Hardware VP8 encoding: Use QP as metric for resize.

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Add vp8 frame header parser to get QP from vp8 bitstream.

BUG= 4273
R=glaznev@webrtc.org, marpan@google.com, pbos@webrtc.org
TBR=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/49259004

Cr-Commit-Position: refs/heads/master@{#9256}
This commit is contained in:
jackychen
2015-05-21 11:12:02 -07:00
parent 5fdcdf66d0
commit 98d8cf58ee
9 changed files with 305 additions and 66 deletions
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12
webrtc/modules/video_coding/utility/quality_scaler_unittest.cc
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@ -31,7 +31,7 @@ class QualityScalerTest : public ::testing::Test {
QualityScalerTest() {
input_frame_.CreateEmptyFrame(
kWidth, kHeight, kWidth, kHalfWidth, kHalfWidth);
qs_.Init(kMaxQp);
qs_.Init(kMaxQp / kDefaultLowQpDenominator);
qs_.ReportFramerate(kFramerate);
}
@ -40,7 +40,7 @@ class QualityScalerTest : public ::testing::Test {
for (int i = 0; i < kFramerate * kNumSeconds; ++i) {
switch (scale_direction) {
case kScaleUp:
qs_.ReportNormalizedQP(kLowQp);
qs_.ReportQP(kLowQp);
break;
case kScaleDown:
qs_.ReportDroppedFrame();
@ -93,7 +93,7 @@ TEST_F(QualityScalerTest, DownscalesAfterContinuousFramedrop) {
TEST_F(QualityScalerTest, DownscalesAfterTwoThirdsFramedrop) {
for (int i = 0; i < kFramerate * kNumSeconds / 3; ++i) {
qs_.ReportNormalizedQP(kNormalQp);
qs_.ReportQP(kNormalQp);
qs_.ReportDroppedFrame();
qs_.ReportDroppedFrame();
if (qs_.GetScaledResolution(input_frame_).width < input_frame_.width())
@ -105,7 +105,7 @@ TEST_F(QualityScalerTest, DownscalesAfterTwoThirdsFramedrop) {
TEST_F(QualityScalerTest, DoesNotDownscaleOnNormalQp) {
for (int i = 0; i < kFramerate * kNumSeconds; ++i) {
qs_.ReportNormalizedQP(kNormalQp);
qs_.ReportQP(kNormalQp);
ASSERT_EQ(input_frame_.width(), qs_.GetScaledResolution(input_frame_).width)
<< "Unexpected scale on half framedrop.";
}
@ -113,7 +113,7 @@ TEST_F(QualityScalerTest, DoesNotDownscaleOnNormalQp) {
TEST_F(QualityScalerTest, DoesNotDownscaleAfterHalfFramedrop) {
for (int i = 0; i < kFramerate * kNumSeconds / 2; ++i) {
qs_.ReportNormalizedQP(kNormalQp);
qs_.ReportQP(kNormalQp);
ASSERT_EQ(input_frame_.width(), qs_.GetScaledResolution(input_frame_).width)
<< "Unexpected scale on half framedrop.";
@ -153,7 +153,7 @@ void QualityScalerTest::ContinuouslyDownscalesByHalfDimensionsAndBackUp() {
// Verify we don't start upscaling after further low use.
for (int i = 0; i < kFramerate * kNumSeconds; ++i) {
qs_.ReportNormalizedQP(kLowQp);
qs_.ReportQP(kLowQp);
ExpectOriginalFrame();
}
}