ref: 9ce6de195bf26394af1a4428782885049a49a2de
parent: df5731273f0fdfe32f02477217d7ea4362a66631
author: Yaowu Xu <[email protected]>
date: Tue Jul 9 06:54:36 EDT 2013
Added a lossless test It does encodings with min and max q set at 0, and check to make sure output PSNR at MAX_PSNR (100). Change-Id: Ia2418353cccf6e487204ea4ff874a7e71e55cb3e
--- a/test/test.mk
+++ b/test/test.mk
@@ -26,6 +26,7 @@
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += borders_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += resize_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += cpu_speed_test.cc
+LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += vp9_lossless_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_DECODERS) += ../md5_utils.h ../md5_utils.c
LIBVPX_TEST_SRCS-yes += decode_test_driver.cc
--- /dev/null
+++ b/test/vp9_lossless_test.cc
@@ -1,0 +1,75 @@
+/*
+ Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+
+ Use of this source code is governed by a BSD-style license
+ that can be found in the LICENSE file in the root of the source
+ tree. An additional intellectual property rights grant can be found
+ in the file PATENTS. All contributing project authors may
+ be found in the AUTHORS file in the root of the source tree.
+*/
+
+#include "third_party/googletest/src/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+
+namespace {+
+const int kMaxPsnr = 100;
+
+class LossLessTest : public ::libvpx_test::EncoderTest,
+ public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {+ protected:
+ LossLessTest() : EncoderTest(GET_PARAM(0)),
+ psnr_(kMaxPsnr),
+ nframes_(0),
+ encoding_mode_(GET_PARAM(1)) {+ }
+
+ virtual ~LossLessTest() {}+
+ virtual void SetUp() {+ InitializeConfig();
+ SetMode(encoding_mode_);
+ }
+
+ virtual void BeginPassHook(unsigned int /*pass*/) {+ psnr_ = 0.0;
+ nframes_ = 0;
+ }
+
+ virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {+ if (pkt->data.psnr.psnr[0] < psnr_)
+ psnr_= pkt->data.psnr.psnr[0];
+ }
+
+ double GetMinPsnr() const {+ return psnr_;
+ }
+
+ private:
+ double psnr_;
+ unsigned int nframes_;
+ libvpx_test::TestMode encoding_mode_;
+};
+
+TEST_P(LossLessTest, TestLossLessEncoding) {+ const vpx_rational timebase = { 33333333, 1000000000 };+ cfg_.g_timebase = timebase;
+ cfg_.rc_target_bitrate = 2000;
+ cfg_.g_lag_in_frames = 25;
+ cfg_.rc_min_quantizer = 0;
+ cfg_.rc_max_quantizer = 0;
+
+ init_flags_ = VPX_CODEC_USE_PSNR;
+
+ // intentionally changed the dimension for better testing coverage
+ libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 356, 284,+ timebase.den, timebase.num, 0, 30);
+
+ const double psnr_lossless = GetMinPsnr();
+ EXPECT_GE(psnr_lossless, kMaxPsnr);
+}
+VP9_INSTANTIATE_TEST_CASE(LossLessTest, ALL_TEST_MODES);
+} // namespace