Merge remote-tracking branch 'origin/master' into nextgenv2

Periodic merge to get master changes into nextgenv2.

Change-Id: I6f0e4b470f193da03f1a8cb8e6a93ae39395699a

.gitignore

@@ -30,14 +30,17 @@
 /examples/decode_with_partial_drops
 /examples/example_xma
 /examples/postproc
+/examples/resize_util
 /examples/set_maps
 /examples/simple_decoder
 /examples/simple_encoder
 /examples/twopass_encoder
 /examples/vp8_multi_resolution_encoder
 /examples/vp8cx_set_ref
+/examples/vp9_lossless_encoder
 /examples/vp9_spatial_scalable_encoder
 /examples/vpx_temporal_scalable_patterns
+/examples/vpx_temporal_svc_encoder
 /ivfdec
 /ivfdec.dox
 /ivfenc
@@ -45,12 +48,14 @@
 /libvpx.so*
 /libvpx.ver
 /samples.dox
+/test_intra_pred_speed
 /test_libvpx
 /vp8_api1_migration.dox
 /vp[89x]_rtcd.h
 /vpx.pc
 /vpx_config.c
 /vpx_config.h
+/vpx_dsp_rtcd.h
 /vpx_scale_rtcd.h
 /vpx_version.h
 /vpxdec

build/make/Makefile

@@ -140,6 +140,8 @@ $(BUILD_PFX)%_avx.c.d: CFLAGS += -mavx $(STACKREALIGN)
 $(BUILD_PFX)%_avx.c.o: CFLAGS += -mavx $(STACKREALIGN)
 $(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2 $(STACKREALIGN)
 $(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2 $(STACKREALIGN)
+$(BUILD_PFX)%vp9_reconintra.c.d: CFLAGS += $(STACKREALIGN)
+$(BUILD_PFX)%vp9_reconintra.c.o: CFLAGS += $(STACKREALIGN)
 
 $(BUILD_PFX)%.c.d: %.c
 	$(if $(quiet),@echo "    [DEP] $@")
@@ -285,7 +287,7 @@ define archive_template
 # for creating them.
 $(1):
 	$(if $(quiet),@echo "    [AR] $$@")
-	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$?
+	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$^
 endef
 
 define so_template

build/make/configure.sh

@@ -428,7 +428,7 @@ NM=${NM}
 
 CFLAGS  = ${CFLAGS}
 CXXFLAGS  = ${CXXFLAGS}
-ARFLAGS = -rus\$(if \$(quiet),c,v)
+ARFLAGS = -crs\$(if \$(quiet),,v)
 LDFLAGS = ${LDFLAGS}
 ASFLAGS = ${ASFLAGS}
 extralibs = ${extralibs}
@@ -728,13 +728,6 @@ process_common_toolchain() {
   # Handle darwin variants. Newer SDKs allow targeting older
   # platforms, so use the newest one available.
   case ${toolchain} in
-    arm*-darwin*)
-      ios_sdk_dir="$(show_darwin_sdk_path iphoneos)"
-      if [ -d "${ios_sdk_dir}" ]; then
-        add_cflags  "-isysroot ${ios_sdk_dir}"
-        add_ldflags "-isysroot ${ios_sdk_dir}"
-      fi
-      ;;
     *-darwin*)
       osx_sdk_dir="$(show_darwin_sdk_path macosx)"
       if [ -d "${osx_sdk_dir}" ]; then
@@ -810,14 +803,7 @@ process_common_toolchain() {
           if disabled neon && enabled neon_asm; then
             die "Disabling neon while keeping neon-asm is not supported"
           fi
-          case ${toolchain} in
-            *-darwin*)
-              # Neon is guaranteed on iOS 6+ devices, while old media extensions
-              # no longer assemble with iOS 9 SDK
-              ;;
-            *)
-              soft_enable media
-          esac
+          soft_enable media
           ;;
         armv6)
           soft_enable media
@@ -1081,7 +1067,9 @@ EOF
           CROSS=${CROSS:-g}
           ;;
         os2)
+          disable_feature pic
           AS=${AS:-nasm}
+          add_ldflags -Zhigh-mem
           ;;
       esac
 
@@ -1323,12 +1311,6 @@ EOF
     add_cflags -D_LARGEFILE_SOURCE
     add_cflags -D_FILE_OFFSET_BITS=64
   fi
-
-  # append any user defined extra cflags
-  if [ -n "${extra_cflags}" ] ; then
-    check_add_cflags ${extra_cflags} || \
-    die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler"
-  fi
 }
 
 process_toolchain() {

configure

@@ -265,6 +265,7 @@ EXPERIMENT_LIST="
     fp_mb_stats
     emulate_hardware
     ext_tx
+    misc_fixes
 "
 CONFIG_LIST="
     dependency_tracking
@@ -717,6 +718,12 @@ EOF
     esac
     # libwebm needs to be linked with C++ standard library
     enabled webm_io && LD=${CXX}
+
+    # append any user defined extra cflags
+    if [ -n "${extra_cflags}" ] ; then
+        check_add_cflags ${extra_cflags} || \
+        die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler"
+    fi
 }
 
 

examples.mk

@@ -36,6 +36,8 @@ LIBYUV_SRCS +=  third_party/libyuv/include/libyuv/basic_types.h  \
                 third_party/libyuv/source/scale_neon64.cc \
                 third_party/libyuv/source/scale_win.cc \
 
+LIBWEBM_COMMON_SRCS += third_party/libwebm/webmids.hpp
+
 LIBWEBM_MUXER_SRCS += third_party/libwebm/mkvmuxer.cpp \
                       third_party/libwebm/mkvmuxerutil.cpp \
                       third_party/libwebm/mkvwriter.cpp \
@@ -43,8 +45,7 @@ LIBWEBM_MUXER_SRCS += third_party/libwebm/mkvmuxer.cpp \
                       third_party/libwebm/mkvmuxertypes.hpp \
                       third_party/libwebm/mkvmuxerutil.hpp \
                       third_party/libwebm/mkvparser.hpp \
-                      third_party/libwebm/mkvwriter.hpp \
-                      third_party/libwebm/webmids.hpp
+                      third_party/libwebm/mkvwriter.hpp
 
 LIBWEBM_PARSER_SRCS = third_party/libwebm/mkvparser.cpp \
                       third_party/libwebm/mkvreader.cpp \
@@ -68,6 +69,7 @@ ifeq ($(CONFIG_LIBYUV),yes)
   vpxdec.SRCS                 += $(LIBYUV_SRCS)
 endif
 ifeq ($(CONFIG_WEBM_IO),yes)
+  vpxdec.SRCS                 += $(LIBWEBM_COMMON_SRCS)
   vpxdec.SRCS                 += $(LIBWEBM_PARSER_SRCS)
   vpxdec.SRCS                 += webmdec.cc webmdec.h
 endif
@@ -89,6 +91,7 @@ ifeq ($(CONFIG_LIBYUV),yes)
   vpxenc.SRCS                 += $(LIBYUV_SRCS)
 endif
 ifeq ($(CONFIG_WEBM_IO),yes)
+  vpxenc.SRCS                 += $(LIBWEBM_COMMON_SRCS)
   vpxenc.SRCS                 += $(LIBWEBM_MUXER_SRCS)
   vpxenc.SRCS                 += webmenc.cc webmenc.h
 endif

examples/vp9_spatial_svc_encoder.c

@@ -25,6 +25,7 @@
 #include "../tools_common.h"
 #include "../video_writer.h"
 
+#include "../vpx_ports/vpx_timer.h"
 #include "vpx/svc_context.h"
 #include "vpx/vp8cx.h"
 #include "vpx/vpx_encoder.h"
@@ -79,6 +80,8 @@ static const arg_def_t rc_end_usage_arg =
     ARG_DEF(NULL, "rc-end-usage", 1, "0 - 3: VBR, CBR, CQ, Q");
 static const arg_def_t speed_arg =
     ARG_DEF("sp", "speed", 1, "speed configuration");
+static const arg_def_t aqmode_arg =
+    ARG_DEF("aq", "aqmode", 1, "aq-mode off/on");
 
 #if CONFIG_VP9_HIGHBITDEPTH
 static const struct arg_enum_list bitdepth_enum[] = {
@@ -100,7 +103,7 @@ static const arg_def_t *svc_args[] = {
   &kf_dist_arg,       &scale_factors_arg, &passes_arg,      &pass_arg,
   &fpf_name_arg,      &min_q_arg,         &max_q_arg,       &min_bitrate_arg,
   &max_bitrate_arg,   &temporal_layers_arg, &temporal_layering_mode_arg,
-  &lag_in_frame_arg,  &threads_arg,
+  &lag_in_frame_arg,  &threads_arg,       &aqmode_arg,
 #if OUTPUT_RC_STATS
   &output_rc_stats_arg,
 #endif
@@ -220,6 +223,8 @@ static void parse_command_line(int argc, const char **argv_,
 #endif
     } else if (arg_match(&arg, &speed_arg, argi)) {
       svc_ctx->speed = arg_parse_uint(&arg);
+    } else if (arg_match(&arg, &aqmode_arg, argi)) {
+      svc_ctx->aqmode = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &threads_arg, argi)) {
       svc_ctx->threads = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &temporal_layering_mode_arg, argi)) {
@@ -564,6 +569,8 @@ int main(int argc, const char **argv) {
   double sum_bitrate2 = 0.0;
   double framerate  = 30.0;
 #endif
+  struct vpx_usec_timer timer;
+  int64_t cx_time = 0;
   memset(&svc_ctx, 0, sizeof(svc_ctx));
   svc_ctx.log_print = 1;
   exec_name = argv[0];
@@ -632,6 +639,9 @@ int main(int argc, const char **argv) {
     vpx_codec_control(&codec, VP8E_SET_CPUUSED, svc_ctx.speed);
   if (svc_ctx.threads)
     vpx_codec_control(&codec, VP9E_SET_TILE_COLUMNS, (svc_ctx.threads >> 1));
+  if (svc_ctx.speed >= 5 && svc_ctx.aqmode == 1)
+    vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3);
+
 
   // Encode frames
   while (!end_of_stream) {
@@ -643,9 +653,12 @@ int main(int argc, const char **argv) {
       end_of_stream = 1;
     }
 
+    vpx_usec_timer_start(&timer);
     res = vpx_svc_encode(&svc_ctx, &codec, (end_of_stream ? NULL : &raw),
                          pts, frame_duration, svc_ctx.speed >= 5 ?
                          VPX_DL_REALTIME : VPX_DL_GOOD_QUALITY);
+    vpx_usec_timer_mark(&timer);
+    cx_time += vpx_usec_timer_elapsed(&timer);
 
     printf("%s", vpx_svc_get_message(&svc_ctx));
     if (res != VPX_CODEC_OK) {
@@ -784,6 +797,10 @@ int main(int argc, const char **argv) {
     }
   }
 #endif
+  printf("Frame cnt and encoding time/FPS stats for encoding: %d %f %f \n",
+         frame_cnt,
+         1000 * (float)cx_time / (double)(frame_cnt * 1000000),
+         1000000 * (double)frame_cnt / (double)cx_time);
   vpx_img_free(&raw);
   // display average size, psnr
   printf("%s", vpx_svc_dump_statistics(&svc_ctx));

libs.mk

@@ -53,7 +53,7 @@ CODEC_SRCS-yes += $(addprefix vpx_dsp/,$(call enabled,DSP_SRCS))
 include $(SRC_PATH_BARE)/vpx_util/vpx_util.mk
 CODEC_SRCS-yes += $(addprefix vpx_util/,$(call enabled,UTIL_SRCS))
 
-ifneq ($(CONFIG_VP8_ENCODER)$(CONFIG_VP8_DECODER),)
+ifeq ($(CONFIG_VP8),yes)
   VP8_PREFIX=vp8/
   include $(SRC_PATH_BARE)/$(VP8_PREFIX)vp8_common.mk
 endif
@@ -76,7 +76,7 @@ ifeq ($(CONFIG_VP8_DECODER),yes)
   CODEC_DOC_SECTIONS += vp8 vp8_decoder
 endif
 
-ifneq ($(CONFIG_VP9_ENCODER)$(CONFIG_VP9_DECODER),)
+ifeq ($(CONFIG_VP9),yes)
   VP9_PREFIX=vp9/
   include $(SRC_PATH_BARE)/$(VP9_PREFIX)vp9_common.mk
 endif
@@ -110,7 +110,7 @@ VP9_PREFIX=vp9/
 $(BUILD_PFX)$(VP9_PREFIX)%.c.o: CFLAGS += -Wextra
 
 #  VP10 make file
-ifneq ($(CONFIG_VP10_ENCODER)$(CONFIG_VP10_DECODER),)
+ifeq ($(CONFIG_VP10),yes)
   VP10_PREFIX=vp10/
   include $(SRC_PATH_BARE)/$(VP10_PREFIX)vp10_common.mk
 endif

test/dct16x16_test.cc

@@ -40,30 +40,6 @@ static int round(double x) {
 #endif
 
 const int kNumCoeffs = 256;
-const double PI = 3.1415926535898;
-void reference2_16x16_idct_2d(double *input, double *output) {
-  double x;
-  for (int l = 0; l < 16; ++l) {
-    for (int k = 0; k < 16; ++k) {
-      double s = 0;
-      for (int i = 0; i < 16; ++i) {
-        for (int j = 0; j < 16; ++j) {
-          x = cos(PI * j * (l + 0.5) / 16.0) *
-              cos(PI * i * (k + 0.5) / 16.0) *
-              input[i * 16 + j] / 256;
-          if (i != 0)
-            x *= sqrt(2.0);
-          if (j != 0)
-            x *= sqrt(2.0);
-          s += x;
-        }
-      }
-      output[k*16+l] = s;
-    }
-  }
-}
-
-
 const double C1 = 0.995184726672197;
 const double C2 = 0.98078528040323;
 const double C3 = 0.956940335732209;

test/encode_test_driver.cc

@@ -195,6 +195,7 @@ void EncoderTest::RunLoop(VideoSource *video) {
 
     video->Begin();
     encoder->InitEncoder(video);
+    ASSERT_FALSE(::testing::Test::HasFatalFailure());
 
     unsigned long dec_init_flags = 0;  // NOLINT
     // Use fragment decoder if encoder outputs partitions.

test/error_resilience_test.cc

@@ -20,10 +20,11 @@ const int kMaxErrorFrames = 12;
 const int kMaxDroppableFrames = 12;
 
 class ErrorResilienceTestLarge : public ::libvpx_test::EncoderTest,
-    public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
+    public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, bool> {
  protected:
   ErrorResilienceTestLarge()
       : EncoderTest(GET_PARAM(0)),
+        svc_support_(GET_PARAM(2)),
         psnr_(0.0),
         nframes_(0),
         mismatch_psnr_(0.0),
@@ -193,6 +194,8 @@ class ErrorResilienceTestLarge : public ::libvpx_test::EncoderTest,
      pattern_switch_ = frame_switch;
    }
 
+  bool svc_support_;
+
  private:
   double psnr_;
   unsigned int nframes_;
@@ -302,6 +305,10 @@ TEST_P(ErrorResilienceTestLarge, DropFramesWithoutRecovery) {
 // two layer temporal pattern. The base layer does not predict from the top
 // layer, so successful decoding is expected.
 TEST_P(ErrorResilienceTestLarge, 2LayersDropEnhancement) {
+  // This test doesn't run if SVC is not supported.
+  if (!svc_support_)
+    return;
+
   const vpx_rational timebase = { 33333333, 1000000000 };
   cfg_.g_timebase = timebase;
   cfg_.rc_target_bitrate = 500;
@@ -347,6 +354,10 @@ TEST_P(ErrorResilienceTestLarge, 2LayersDropEnhancement) {
 // for a two layer temporal pattern, where at some point in the
 // sequence, the LAST ref is not used anymore.
 TEST_P(ErrorResilienceTestLarge, 2LayersNoRefLast) {
+  // This test doesn't run if SVC is not supported.
+  if (!svc_support_)
+    return;
+
   const vpx_rational timebase = { 33333333, 1000000000 };
   cfg_.g_timebase = timebase;
   cfg_.rc_target_bitrate = 500;
@@ -579,9 +590,13 @@ TEST_P(ErrorResilienceTestLargeCodecControls, CodecControl3TemporalLayers) {
   }
 }
 
-VP8_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES);
+VP8_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES,
+                          ::testing::Values(true));
 VP8_INSTANTIATE_TEST_CASE(ErrorResilienceTestLargeCodecControls,
                           ONE_PASS_TEST_MODES);
-VP9_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES);
-VP10_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES);
+VP9_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES,
+                          ::testing::Values(true));
+// SVC-related tests don't run for VP10 since SVC is not supported.
+VP10_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, ONE_PASS_TEST_MODES,
+                           ::testing::Values(false));
 }  // namespace

test/frame_size_tests.cc

@@ -74,7 +74,7 @@ TEST_F(VP9FrameSizeTestsLarge, ValidSizes) {
   // size or almost 1 gig of memory.
   // In total the allocations will exceed 2GiB which may cause a failure with
   // mingw + wine, use a smaller size in that case.
-#if defined(_WIN32) && !defined(_WIN64)
+#if defined(_WIN32) && !defined(_WIN64) || defined(__OS2__)
   video.SetSize(4096, 3072);
 #else
   video.SetSize(4096, 4096);

test/idct8x8_test.cc

@@ -67,43 +67,6 @@ void reference_dct_2d(int16_t input[64], double output[64]) {
     output[i] *= 2;
 }
 
-void reference_idct_1d(double input[8], double output[8]) {
-  const double kPi = 3.141592653589793238462643383279502884;
-  const double kSqrt2 = 1.414213562373095048801688724209698;
-  for (int k = 0; k < 8; k++) {
-    output[k] = 0.0;
-    for (int n = 0; n < 8; n++) {
-      output[k] += input[n]*cos(kPi*(2*k+1)*n/16.0);
-      if (n == 0)
-        output[k] = output[k]/kSqrt2;
-    }
-  }
-}
-
-void reference_idct_2d(double input[64], int16_t output[64]) {
-  double out[64], out2[64];
-  // First transform rows
-  for (int i = 0; i < 8; ++i) {
-    double temp_in[8], temp_out[8];
-    for (int j = 0; j < 8; ++j)
-      temp_in[j] = input[j + i*8];
-    reference_idct_1d(temp_in, temp_out);
-    for (int j = 0; j < 8; ++j)
-      out[j + i*8] = temp_out[j];
-  }
-  // Then transform columns
-  for (int i = 0; i < 8; ++i) {
-    double temp_in[8], temp_out[8];
-    for (int j = 0; j < 8; ++j)
-      temp_in[j] = out[j*8 + i];
-    reference_idct_1d(temp_in, temp_out);
-    for (int j = 0; j < 8; ++j)
-      out2[j*8 + i] = temp_out[j];
-  }
-  for (int i = 0; i < 64; ++i)
-    output[i] = round(out2[i]/32);
-}
-
 TEST(VP9Idct8x8Test, AccuracyCheck) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());
   const int count_test_block = 10000;

test/invalid_file_test.cc

@@ -145,7 +145,7 @@ TEST_P(InvalidFileInvalidPeekTest, ReturnCode) {
 }
 
 const DecodeParam kVP9InvalidFileInvalidPeekTests[] = {
-  {1, "invalid-vp90-01-v2.webm"},
+  {1, "invalid-vp90-01-v3.webm"},
 };
 
 VP9_INSTANTIATE_TEST_CASE(InvalidFileInvalidPeekTest,

test/lpf_8_test.cc

@@ -590,7 +590,9 @@ INSTANTIATE_TEST_CASE_P(
         make_tuple(&vpx_lpf_horizontal_16_sse2, &vpx_lpf_horizontal_16_c, 8, 1),
         make_tuple(&vpx_lpf_horizontal_16_sse2, &vpx_lpf_horizontal_16_c, 8, 2),
         make_tuple(&vpx_lpf_vertical_8_sse2, &vpx_lpf_vertical_8_c, 8, 1),
-        make_tuple(&wrapper_vertical_16_sse2, &wrapper_vertical_16_c, 8, 1)));
+        make_tuple(&wrapper_vertical_16_sse2, &wrapper_vertical_16_c, 8, 1),
+        make_tuple(&wrapper_vertical_16_dual_sse2,
+                   &wrapper_vertical_16_dual_c, 8, 1)));
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 #endif
 

test/resize_test.cc

@@ -81,6 +81,15 @@ static void write_ivf_frame_header(const vpx_codec_cx_pkt_t *const pkt,
 const unsigned int kInitialWidth = 320;
 const unsigned int kInitialHeight = 240;
 
+struct FrameInfo {
+  FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h)
+      : pts(_pts), w(_w), h(_h) {}
+
+  vpx_codec_pts_t pts;
+  unsigned int w;
+  unsigned int h;
+};
+
 unsigned int ScaleForFrameNumber(unsigned int frame, unsigned int val) {
   if (frame < 10)
     return val;
@@ -120,15 +129,6 @@ class ResizeTest : public ::libvpx_test::EncoderTest,
 
   virtual ~ResizeTest() {}
 
-  struct FrameInfo {
-    FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h)
-        : pts(_pts), w(_w), h(_h) {}
-
-    vpx_codec_pts_t pts;
-    unsigned int w;
-    unsigned int h;
-  };
-
   virtual void SetUp() {
     InitializeConfig();
     SetMode(GET_PARAM(1));
@@ -261,6 +261,134 @@ TEST_P(ResizeInternalTest, TestInternalResizeWorks) {
   }
 }
 
+class ResizeInternalRealtimeTest : public ::libvpx_test::EncoderTest,
+  public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
+ protected:
+  ResizeInternalRealtimeTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~ResizeInternalRealtimeTest() {}
+
+  virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
+                                  libvpx_test::Encoder *encoder) {
+    if (video->frame() == 0) {
+      encoder->Control(VP9E_SET_AQ_MODE, 3);
+      encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
+    }
+
+    if (change_bitrate_ && video->frame() == 120) {
+      change_bitrate_ = false;
+      cfg_.rc_target_bitrate = 500;
+      encoder->Config(&cfg_);
+    }
+  }
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(GET_PARAM(1));
+    set_cpu_used_ = GET_PARAM(2);
+  }
+
+  virtual void DecompressedFrameHook(const vpx_image_t &img,
+                                     vpx_codec_pts_t pts) {
+    frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
+  }
+
+  void DefaultConfig() {
+    cfg_.g_w = 352;
+    cfg_.g_h = 288;
+    cfg_.rc_buf_initial_sz = 500;
+    cfg_.rc_buf_optimal_sz = 600;
+    cfg_.rc_buf_sz = 1000;
+    cfg_.rc_min_quantizer = 2;
+    cfg_.rc_max_quantizer = 56;
+    cfg_.rc_undershoot_pct = 50;
+    cfg_.rc_overshoot_pct = 50;
+    cfg_.rc_end_usage = VPX_CBR;
+    cfg_.kf_mode = VPX_KF_AUTO;
+    cfg_.g_lag_in_frames = 0;
+    cfg_.kf_min_dist = cfg_.kf_max_dist = 3000;
+    // Enable dropped frames.
+    cfg_.rc_dropframe_thresh = 1;
+    // Enable error_resilience mode.
+    cfg_.g_error_resilient  = 1;
+    // Enable dynamic resizing.
+    cfg_.rc_resize_allowed = 1;
+    // Run at low bitrate.
+    cfg_.rc_target_bitrate = 200;
+  }
+
+  std::vector< FrameInfo > frame_info_list_;
+  int set_cpu_used_;
+  bool change_bitrate_;
+};
+
+// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
+// Run at low bitrate, with resize_allowed = 1, and verify that we get
+// one resize down event.
+TEST_P(ResizeInternalRealtimeTest, TestInternalResizeDown) {
+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 299);
+  DefaultConfig();
+  change_bitrate_ = false;
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+  unsigned int last_w = cfg_.g_w;
+  unsigned int last_h = cfg_.g_h;
+  int resize_count = 0;
+  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+       info != frame_info_list_.end(); ++info) {
+    if (info->w != last_w || info->h != last_h) {
+      // Verify that resize down occurs.
+      ASSERT_LT(info->w, last_w);
+      ASSERT_LT(info->h, last_h);
+      last_w = info->w;
+      last_h = info->h;
+      resize_count++;
+    }
+  }
+
+  // Verify that we get 1 resize down event in this test.
+  ASSERT_EQ(1, resize_count) << "Resizing should occur.";
+}
+
+// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
+// Start at low target bitrate, raise the bitrate in the middle of the clip,
+// scaling-up should occur after bitrate changed.
+TEST_P(ResizeInternalRealtimeTest, TestInternalResizeDownUpChangeBitRate) {
+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 299);
+  DefaultConfig();
+  change_bitrate_ = true;
+  // Disable dropped frames.
+  cfg_.rc_dropframe_thresh = 0;
+  // Starting bitrate low.
+  cfg_.rc_target_bitrate = 100;
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+  unsigned int last_w = cfg_.g_w;
+  unsigned int last_h = cfg_.g_h;
+  int resize_count = 0;
+  for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+       info != frame_info_list_.end(); ++info) {
+    if (info->w != last_w || info->h != last_h) {
+      resize_count++;
+      if (resize_count == 1) {
+        // Verify that resize down occurs.
+        ASSERT_LT(info->w, last_w);
+        ASSERT_LT(info->h, last_h);
+      } else if (resize_count == 2) {
+        // Verify that resize up occurs.
+        ASSERT_GT(info->w, last_w);
+        ASSERT_GT(info->h, last_h);
+      }
+      last_w = info->w;
+      last_h = info->h;
+    }
+  }
+
+  // Verify that we get 2 resize events in this test.
+  ASSERT_EQ(2, resize_count) << "Resizing should occur twice.";
+}
+
 vpx_img_fmt_t CspForFrameNumber(int frame) {
   if (frame < 10)
     return VPX_IMG_FMT_I420;
@@ -371,6 +499,9 @@ VP9_INSTANTIATE_TEST_CASE(ResizeTest,
                           ::testing::Values(::libvpx_test::kRealTime));
 VP9_INSTANTIATE_TEST_CASE(ResizeInternalTest,
                           ::testing::Values(::libvpx_test::kOnePassBest));
+VP9_INSTANTIATE_TEST_CASE(ResizeInternalRealtimeTest,