Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 189 insertions, 0 deletions

diff --git a/third_party/aom/test/encode_perf_test.cc b/third_party/aom/test/encode_perf_test.cc
new file mode 100644
index 000000000..e2a4f2b71
--- /dev/null
+++ b/third_party/aom/test/encode_perf_test.cc
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+*/
+
+#include <string>
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "./aom_config.h"
+#include "./aom_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 "aom_ports/aom_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 kAV1EncodePerfTestVectors[] = {
+  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, 8 };
+const int kEncodePerfTestThreads[] = { 1, 2, 4 };
+
+#define NELEMENTS(x) (sizeof((x)) / sizeof((x)[0]))
+
+class AV1EncodePerfTest
+    : public ::libaom_test::EncoderTest,
+      public ::libaom_test::CodecTestWithParam<libaom_test::TestMode> {
+ protected:
+  AV1EncodePerfTest()
+      : EncoderTest(GET_PARAM(0)), min_psnr_(kMaxPsnr), nframes_(0),
+        encoding_mode_(GET_PARAM(1)), speed_(0), threads_(1) {}
+
+  virtual ~AV1EncodePerfTest() {}
+
+  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 = AOM_CBR;
+    cfg_.g_error_resilient = 1;
+    cfg_.g_threads = threads_;
+  }
+
+  virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                                  ::libaom_test::Encoder *encoder) {
+    if (video->frame() == 0) {
+      const int log2_tile_columns = 3;
+      encoder->Control(AOME_SET_CPUUSED, speed_);
+      encoder->Control(AV1E_SET_TILE_COLUMNS, log2_tile_columns);
+      encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
+      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
+    }
+  }
+
+  virtual void BeginPassHook(unsigned int /*pass*/) {
+    min_psnr_ = kMaxPsnr;
+    nframes_ = 0;
+  }
+
+  virtual void PSNRPktHook(const aom_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; }
+
+  void set_threads(unsigned int threads) { threads_ = threads; }
+
+ private:
+  double min_psnr_;
+  unsigned int nframes_;
+  libaom_test::TestMode encoding_mode_;
+  unsigned speed_;
+  unsigned int threads_;
+};
+
+TEST_P(AV1EncodePerfTest, PerfTest) {
+  for (size_t i = 0; i < NELEMENTS(kAV1EncodePerfTestVectors); ++i) {
+    for (size_t j = 0; j < NELEMENTS(kEncodePerfTestSpeeds); ++j) {
+      for (size_t k = 0; k < NELEMENTS(kEncodePerfTestThreads); ++k) {
+        if (kAV1EncodePerfTestVectors[i].width < 512 &&
+            kEncodePerfTestThreads[k] > 1)
+          continue;
+        else if (kAV1EncodePerfTestVectors[i].width < 1024 &&
+                 kEncodePerfTestThreads[k] > 2)
+          continue;
+
+        set_threads(kEncodePerfTestThreads[k]);
+        SetUp();
+
+        const aom_rational timebase = { 33333333, 1000000000 };
+        cfg_.g_timebase = timebase;
+        cfg_.rc_target_bitrate = kAV1EncodePerfTestVectors[i].bitrate;
+
+        init_flags_ = AOM_CODEC_USE_PSNR;
+
+        const unsigned frames = kAV1EncodePerfTestVectors[i].frames;
+        const char *video_name = kAV1EncodePerfTestVectors[i].name;
+        libaom_test::I420VideoSource video(
+            video_name, kAV1EncodePerfTestVectors[i].width,
+            kAV1EncodePerfTestVectors[i].height, timebase.den, timebase.num, 0,
+            kAV1EncodePerfTestVectors[i].frames);
+        set_speed(kEncodePerfTestSpeeds[j]);
+
+        aom_usec_timer t;
+        aom_usec_timer_start(&t);
+
+        ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+        aom_usec_timer_mark(&t);
+        const double elapsed_secs = aom_usec_timer_elapsed(&t) / kUsecsInSec;
+        const double fps = frames / elapsed_secs;
+        const double minimum_psnr = min_psnr();
+        std::string display_name(video_name);
+        if (kEncodePerfTestThreads[k] > 1) {
+          char thread_count[32];
+          snprintf(thread_count, sizeof(thread_count), "_t-%d",
+                   kEncodePerfTestThreads[k]);
+          display_name += thread_count;
+        }
+
+        printf("{\n");
+        printf("\t\"type\" : \"encode_perf_test\",\n");
+        printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
+        printf("\t\"videoName\" : \"%s\",\n", display_name.c_str());
+        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("\t\"threads\" : %d\n", kEncodePerfTestThreads[k]);
+        printf("}\n");
+      }
+    }
+  }
+}
+
+AV1_INSTANTIATE_TEST_CASE(AV1EncodePerfTest,
+                          ::testing::Values(::libaom_test::kRealTime));
+}  // namespace