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Merge "Add a test using VP9E_SET_LOSSLESS"

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James Zern 2014-06-27 22:19:16 -07:00 committed by Gerrit Code Review
commit b590629119
1 changed files with 30 additions and 0 deletions
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30
test/vp9_lossless_test.cc
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@ -36,6 +36,17 @@ class LosslessTestLarge : public ::libvpx_test::EncoderTest,
SetMode(encoding_mode_);
}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) {
if (video->frame() == 1) {
// Only call Control if quantizer > 0 to verify that using quantizer
// alone will activate lossless
if (cfg_.rc_max_quantizer > 0 || cfg_.rc_min_quantizer > 0) {
encoder->Control(VP9E_SET_LOSSLESS, 1);
}
}
}
virtual void BeginPassHook(unsigned int /*pass*/) {
psnr_ = kMaxPsnr;
nframes_ = 0;
@ -91,5 +102,24 @@ TEST_P(LosslessTestLarge, TestLossLessEncoding444) {
EXPECT_GE(psnr_lossless, kMaxPsnr);
}
TEST_P(LosslessTestLarge, TestLossLessEncodingCtrl) {
const vpx_rational timebase = { 33333333, 1000000000 };
cfg_.g_timebase = timebase;
cfg_.rc_target_bitrate = 2000;
cfg_.g_lag_in_frames = 25;
// Intentionally set Q > 0, to make sure control can be used to activate
// lossless
cfg_.rc_min_quantizer = 10;
cfg_.rc_max_quantizer = 20;
init_flags_ = VPX_CODEC_USE_PSNR;
libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0, 10);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const double psnr_lossless = GetMinPsnr();
EXPECT_GE(psnr_lossless, kMaxPsnr);
}
VP9_INSTANTIATE_TEST_CASE(LosslessTestLarge, ALL_TEST_MODES);
} // namespace