libvpx: Pull from upstream

source/libvpx/test/svc_test.cc

Index: source/libvpx/test/svc_test.cc
===================================================================
--- source/libvpx/test/svc_test.cc	(revision 0)
+++ source/libvpx/test/svc_test.cc	(revision 0)
@@ -0,0 +1,337 @@
+/*
+ *  Copyright (c) 2013 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 <string>
+#include "third_party/googletest/src/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/decode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "vpx/svc_context.h"
+#include "vpx/vp8cx.h"
+#include "vpx/vpx_encoder.h"
+
+namespace {
+
+using libvpx_test::CodecFactory;
+using libvpx_test::Decoder;
+using libvpx_test::VP9CodecFactory;
+
+class SvcTest : public ::testing::Test {
+ protected:
+  static const uint32_t kWidth = 352;
+  static const uint32_t kHeight = 288;
+
+  SvcTest()
+      : codec_iface_(0),
+        test_file_name_("hantro_collage_w352h288.yuv"),
+        codec_initialized_(false),
+        decoder_(0) {
+    memset(&svc_, 0, sizeof(svc_));
+    memset(&codec_, 0, sizeof(codec_));
+    memset(&codec_enc_, 0, sizeof(codec_enc_));
+  }
+
+  virtual ~SvcTest() {}
+
+  virtual void SetUp() {
+    svc_.encoding_mode = INTER_LAYER_PREDICTION_IP;
+    svc_.log_level = SVC_LOG_DEBUG;
+    svc_.log_print = 0;
+
+    codec_iface_ = vpx_codec_vp9_cx();
+    const vpx_codec_err_t res =
+        vpx_codec_enc_config_default(codec_iface_, &codec_enc_, 0);
+    EXPECT_EQ(VPX_CODEC_OK, res);
+
+    codec_enc_.g_w = kWidth;
+    codec_enc_.g_h = kHeight;
+    codec_enc_.g_timebase.num = 1;
+    codec_enc_.g_timebase.den = 60;
+    codec_enc_.kf_min_dist = 100;
+    codec_enc_.kf_max_dist = 100;
+
+    vpx_codec_dec_cfg_t dec_cfg = {0};
+    VP9CodecFactory codec_factory;
+    decoder_ = codec_factory.CreateDecoder(dec_cfg, 0);
+  }
+
+  virtual void TearDown() {
+    vpx_svc_release(&svc_);
+    delete(decoder_);
+    if (codec_initialized_) vpx_codec_destroy(&codec_);
+  }
+
+  SvcContext svc_;
+  vpx_codec_ctx_t codec_;
+  struct vpx_codec_enc_cfg codec_enc_;
+  vpx_codec_iface_t *codec_iface_;
+  std::string test_file_name_;
+  bool codec_initialized_;
+  Decoder *decoder_;
+};
+
+TEST_F(SvcTest, SvcInit) {
+  // test missing parameters
+  vpx_codec_err_t res = vpx_svc_init(NULL, &codec_, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+  res = vpx_svc_init(&svc_, NULL, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+  res = vpx_svc_init(&svc_, &codec_, NULL, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_init(&svc_, &codec_, codec_iface_, NULL);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  svc_.spatial_layers = 6;  // too many layers
+  res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  svc_.spatial_layers = 0;  // use default layers
+  res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+  EXPECT_EQ(VPX_SS_DEFAULT_LAYERS, svc_.spatial_layers);
+}
+
+TEST_F(SvcTest, InitTwoLayers) {
+  svc_.spatial_layers = 2;
+  vpx_svc_set_scale_factors(&svc_, "4/16,16*16");  // invalid scale values
+  vpx_codec_err_t res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  vpx_svc_set_scale_factors(&svc_, "4/16,16/16");  // valid scale values
+  res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+}
+
+TEST_F(SvcTest, InvalidOptions) {
+  vpx_codec_err_t res = vpx_svc_set_options(&svc_, NULL);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_options(&svc_, "not-an-option=1");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+}
+
+TEST_F(SvcTest, SetLayersOption) {
+  vpx_codec_err_t res = vpx_svc_set_options(&svc_, "layers=3");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+  EXPECT_EQ(3, svc_.spatial_layers);
+}
+
+TEST_F(SvcTest, SetEncodingMode) {
+  vpx_codec_err_t res = vpx_svc_set_options(&svc_, "encoding-mode=alt-ip");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+  EXPECT_EQ(ALT_INTER_LAYER_PREDICTION_IP, svc_.encoding_mode);
+}
+
+TEST_F(SvcTest, SetMultipleOptions) {
+  vpx_codec_err_t res = vpx_svc_set_options(&svc_, "layers=2 encoding-mode=ip");
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+  EXPECT_EQ(2, svc_.spatial_layers);
+  EXPECT_EQ(INTER_LAYER_PREDICTION_IP, svc_.encoding_mode);
+}
+
+TEST_F(SvcTest, SetScaleFactorsOption) {
+  svc_.spatial_layers = 2;
+  vpx_codec_err_t res =
+      vpx_svc_set_options(&svc_, "scale-factors=not-scale-factors");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_options(&svc_, "scale-factors=1/3,2/3");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+}
+
+TEST_F(SvcTest, SetQuantizersOption) {
+  svc_.spatial_layers = 2;
+  vpx_codec_err_t res = vpx_svc_set_options(&svc_, "quantizers=not-quantizers");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  vpx_svc_set_options(&svc_, "quantizers=40,45");
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+}
+
+TEST_F(SvcTest, SetQuantizers) {
+  vpx_codec_err_t res = vpx_svc_set_quantizers(NULL, "40,30");
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_quantizers(&svc_, NULL);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  svc_.spatial_layers = 2;
+  res = vpx_svc_set_quantizers(&svc_, "40");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_quantizers(&svc_, "40,30");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+}
+
+TEST_F(SvcTest, SetScaleFactors) {
+  vpx_codec_err_t res = vpx_svc_set_scale_factors(NULL, "4/16,16/16");
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_scale_factors(&svc_, NULL);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  svc_.spatial_layers = 2;
+  res = vpx_svc_set_scale_factors(&svc_, "4/16");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+}
+
+// Test that decoder can handle an SVC frame as the first frame in a sequence.
+TEST_F(SvcTest, FirstFrameHasLayers) {
+  svc_.spatial_layers = 2;
+  vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
+  vpx_svc_set_quantizers(&svc_, "40,30");
+
+  vpx_codec_err_t res =
+      vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+
+  libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
+                                     codec_enc_.g_timebase.den,
+                                     codec_enc_.g_timebase.num, 0, 30);
+  video.Begin();
+
+  res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
+                       video.duration(), VPX_DL_REALTIME);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+
+  const vpx_codec_err_t res_dec = decoder_->DecodeFrame(
+      static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)),
+      vpx_svc_get_frame_size(&svc_));
+
+  // this test fails with a decoder error
+  ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
+}
+
+TEST_F(SvcTest, EncodeThreeFrames) {
+  svc_.spatial_layers = 2;
+  vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
+  vpx_svc_set_quantizers(&svc_, "40,30");
+
+  vpx_codec_err_t res =
+      vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  ASSERT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+
+  libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
+                                     codec_enc_.g_timebase.den,
+                                     codec_enc_.g_timebase.num, 0, 30);
+  // FRAME 0
+  video.Begin();
+  // This frame is a keyframe.
+  res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
+                       video.duration(), VPX_DL_REALTIME);
+  ASSERT_EQ(VPX_CODEC_OK, res);
+  EXPECT_EQ(1, vpx_svc_is_keyframe(&svc_));
+
+  vpx_codec_err_t res_dec = decoder_->DecodeFrame(
+      static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)),
+      vpx_svc_get_frame_size(&svc_));
+  ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
+
+  // FRAME 1
+  video.Next();
+  // This is a P-frame.
+  res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
+                       video.duration(), VPX_DL_REALTIME);
+  ASSERT_EQ(VPX_CODEC_OK, res);
+  EXPECT_EQ(0, vpx_svc_is_keyframe(&svc_));
+
+  res_dec = decoder_->DecodeFrame(
+      static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)),
+      vpx_svc_get_frame_size(&svc_));
+  ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
+
+  // FRAME 2
+  video.Next();
+  // This is a P-frame.
+  res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
+                       video.duration(), VPX_DL_REALTIME);
+  ASSERT_EQ(VPX_CODEC_OK, res);
+  EXPECT_EQ(0, vpx_svc_is_keyframe(&svc_));
+
+  res_dec = decoder_->DecodeFrame(
+      static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)),
+      vpx_svc_get_frame_size(&svc_));
+  ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
+}
+
+TEST_F(SvcTest, GetLayerResolution) {
+  svc_.spatial_layers = 2;
+  vpx_svc_set_scale_factors(&svc_, "4/16,8/16");
+  vpx_svc_set_quantizers(&svc_, "40,30");
+
+  vpx_codec_err_t res =
+      vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  codec_initialized_ = true;
+
+  // ensure that requested layer is a valid layer
+  uint32_t layer_width, layer_height;
+  res = vpx_svc_get_layer_resolution(&svc_, svc_.spatial_layers,
+                                     &layer_width, &layer_height);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_get_layer_resolution(NULL, 0, &layer_width, &layer_height);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_get_layer_resolution(&svc_, 0, NULL, &layer_height);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_get_layer_resolution(&svc_, 0, &layer_width, NULL);
+  EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
+
+  res = vpx_svc_get_layer_resolution(&svc_, 0, &layer_width, &layer_height);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  EXPECT_EQ(kWidth * 4 / 16, layer_width);
+  EXPECT_EQ(kHeight * 4 / 16, layer_height);
+
+  res = vpx_svc_get_layer_resolution(&svc_, 1, &layer_width, &layer_height);
+  EXPECT_EQ(VPX_CODEC_OK, res);
+  EXPECT_EQ(kWidth * 8 / 16, layer_width);
+  EXPECT_EQ(kHeight * 8 / 16, layer_height);
+}
+
+}  // namespace