libvpx: Pull from upstream

source/libvpx/test/encode_perf_test.cc

+/*
+ *  Copyright (c) 2014 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 "./vpx_config.h"
+#include "./vpx_version.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+#include "test/y4m_video_source.h"
+#include "vpx_ports/vpx_timer.h"
+
+namespace {
+
+const int kMaxPsnr = 100;
+const double kUsecsInSec = 1000000.0;
+
+struct EncodePerfTestVideo {
+  EncodePerfTestVideo(const char *name_, uint32_t width_, uint32_t height_,
+                      uint32_t bitrate_, int frames_)
+      : name(name_),
+        width(width_),
+        height(height_),
+        bitrate(bitrate_),
+        frames(frames_) {}
+  const char *name;
+  uint32_t width;
+  uint32_t height;
+  uint32_t bitrate;
+  int frames;
+};
+
+const EncodePerfTestVideo kVP9EncodePerfTestVectors[] = {
+  EncodePerfTestVideo("desktop_640_360_30.yuv", 640, 360, 200, 2484),
+  EncodePerfTestVideo("kirland_640_480_30.yuv", 640, 480, 200, 300),
+  EncodePerfTestVideo("macmarcomoving_640_480_30.yuv", 640, 480, 200, 987),
+  EncodePerfTestVideo("macmarcostationary_640_480_30.yuv", 640, 480, 200, 718),
+  EncodePerfTestVideo("niklas_640_480_30.yuv", 640, 480, 200, 471),
+  EncodePerfTestVideo("tacomanarrows_640_480_30.yuv", 640, 480, 200, 300),
+  EncodePerfTestVideo("tacomasmallcameramovement_640_480_30.yuv",
+                      640, 480, 200, 300),
+  EncodePerfTestVideo("thaloundeskmtg_640_480_30.yuv", 640, 480, 200, 300),
+  EncodePerfTestVideo("niklas_1280_720_30.yuv", 1280, 720, 600, 470),
+};
+
+const int kEncodePerfTestSpeeds[] = { 5, 6, 7, 12 };
+
+#define NELEMENTS(x) (sizeof((x)) / sizeof((x)[0]))
+
+class VP9EncodePerfTest
+    : public ::libvpx_test::EncoderTest,
+      public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
+ protected:
+  VP9EncodePerfTest()
+      : EncoderTest(GET_PARAM(0)),
+        min_psnr_(kMaxPsnr),
+        nframes_(0),
+        encoding_mode_(GET_PARAM(1)),
+        speed_(0) {}
+
+  virtual ~VP9EncodePerfTest() {}
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(encoding_mode_);
+
+    cfg_.g_lag_in_frames = 0;
+    cfg_.rc_min_quantizer = 2;
+    cfg_.rc_max_quantizer = 56;
+    cfg_.rc_dropframe_thresh = 0;
+    cfg_.rc_undershoot_pct = 50;
+    cfg_.rc_overshoot_pct = 50;
+    cfg_.rc_buf_sz = 1000;
+    cfg_.rc_buf_initial_sz = 500;
+    cfg_.rc_buf_optimal_sz = 600;
+    cfg_.rc_resize_allowed = 0;
+    cfg_.rc_end_usage = VPX_CBR;
+  }
+
+  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
+                                  ::libvpx_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(VP8E_SET_CPUUSED, speed_);
+    }
+  }
+
+  virtual void BeginPassHook(unsigned int /*pass*/) {
+    min_psnr_ = kMaxPsnr;
+    nframes_ = 0;
+  }
+
+  virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
+    if (pkt->data.psnr.psnr[0] < min_psnr_) {
+      min_psnr_= pkt->data.psnr.psnr[0];
+    }
+  }
+
+  // for performance reasons don't decode
+  virtual bool DoDecode() { return 0; }
+
+  double min_psnr() const {
+    return min_psnr_;
+  }
+
+  void set_speed(unsigned int speed) {
+    speed_ = speed;
+  }
+
+ private:
+  double min_psnr_;
+  unsigned int nframes_;
+  libvpx_test::TestMode encoding_mode_;
+  unsigned speed_;
+};
+
+TEST_P(VP9EncodePerfTest, PerfTest) {
+  for (size_t i = 0; i < NELEMENTS(kVP9EncodePerfTestVectors); ++i) {
+    for (size_t j = 0; j < NELEMENTS(kEncodePerfTestSpeeds); ++j) {
+      SetUp();
+
+      const vpx_rational timebase = { 33333333, 1000000000 };
+      cfg_.g_timebase = timebase;
+      cfg_.rc_target_bitrate = kVP9EncodePerfTestVectors[i].bitrate;
+
+      init_flags_ = VPX_CODEC_USE_PSNR;
+
+      const unsigned frames = kVP9EncodePerfTestVectors[i].frames;
+      const char *video_name = kVP9EncodePerfTestVectors[i].name;
+      libvpx_test::I420VideoSource video(
+          video_name,
+          kVP9EncodePerfTestVectors[i].width,
+          kVP9EncodePerfTestVectors[i].height,
+          timebase.den, timebase.num, 0,
+          kVP9EncodePerfTestVectors[i].frames);
+      set_speed(kEncodePerfTestSpeeds[j]);
+
+      vpx_usec_timer t;
+      vpx_usec_timer_start(&t);
+
+      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+      vpx_usec_timer_mark(&t);
+      const double elapsed_secs = vpx_usec_timer_elapsed(&t) / kUsecsInSec;
+      const double fps = frames / elapsed_secs;
+      const double minimum_psnr = min_psnr();
+
+      printf("{\n");
+      printf("\t\"type\" : \"encode_perf_test\",\n");
+      printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
+      printf("\t\"videoName\" : \"%s\",\n", video_name);
+      printf("\t\"encodeTimeSecs\" : %f,\n", elapsed_secs);
+      printf("\t\"totalFrames\" : %u,\n", frames);
+      printf("\t\"framesPerSecond\" : %f,\n", fps);
+      printf("\t\"minPsnr\" : %f,\n", minimum_psnr);
+      printf("\t\"speed\" : %d\n", kEncodePerfTestSpeeds[j]);
+      printf("}\n");
+    }
+  }
+}
+
+VP9_INSTANTIATE_TEST_CASE(
+    VP9EncodePerfTest, ::testing::Values(::libvpx_test::kRealTime));
+}  // namespace