Merge changes from topic 'clang-tidy'

* changes:
  *_perf_test.cc: correct DoDecode signature
  test: apply clang-tidy google-readability-braces-around-statements

test/active_map_refresh_test.cc

@@ -37,11 +37,12 @@ int CheckMb(const vpx_image_t &current, const vpx_image_t &previous, int mb_r,
     for (; r < r_top; ++r) {
       for (int c = c0; c < c_top; ++c) {
         if (current.planes[plane][current.stride[plane] * r + c] !=
-            previous.planes[plane][previous.stride[plane] * r + c])
+            previous.planes[plane][previous.stride[plane] * r + c]) {
           return 1;
         }
       }
     }
+  }
   return 0;
 }
 

test/avg_test.cc

@@ -55,15 +55,17 @@ class AverageTestBase : public ::testing::Test {
   // Sum Pixels
   unsigned int ReferenceAverage8x8(const uint8_t *source, int pitch) {
     unsigned int average = 0;
-    for (int h = 0; h < 8; ++h)
+    for (int h = 0; h < 8; ++h) {
       for (int w = 0; w < 8; ++w) average += source[h * pitch + w];
+    }
     return ((average + 32) >> 6);
   }
 
   unsigned int ReferenceAverage4x4(const uint8_t *source, int pitch) {
     unsigned int average = 0;
-    for (int h = 0; h < 4; ++h)
+    for (int h = 0; h < 4; ++h) {
       for (int w = 0; w < 4; ++w) average += source[h * pitch + w];
+    }
     return ((average + 8) >> 4);
   }
 

test/blockiness_test.cc

@@ -100,13 +100,14 @@ class BlockinessTestBase : public ::testing::Test {
   void FillCheckerboard(uint8_t *data, int stride) {
     for (int h = 0; h < height_; h += 4) {
       for (int w = 0; w < width_; w += 4) {
-        if (((h / 4) ^ (w / 4)) & 1)
+        if (((h / 4) ^ (w / 4)) & 1) {
           FillConstant(data + h * stride + w, stride, 255, 4, 4);
-        else
+        } else {
           FillConstant(data + h * stride + w, stride, 0, 4, 4);
         }
       }
     }
+  }
 
   void Blur(uint8_t *data, int stride, int taps) {
     int sum = 0;

test/convolve_test.cc

@@ -346,18 +346,20 @@ class ConvolveTest : public ::testing::TestWithParam<ConvolveParam> {
   virtual void SetUp() {
     UUT_ = GET_PARAM(2);
 #if CONFIG_VP9_HIGHBITDEPTH
-    if (UUT_->use_highbd_ != 0)
+    if (UUT_->use_highbd_ != 0) {
       mask_ = (1 << UUT_->use_highbd_) - 1;
-    else
+    } else {
       mask_ = 255;
+    }
 #endif
     /* Set up guard blocks for an inner block centered in the outer block */
     for (int i = 0; i < kOutputBufferSize; ++i) {
-      if (IsIndexInBorder(i))
+      if (IsIndexInBorder(i)) {
         output_[i] = 255;
-      else
+      } else {
         output_[i] = 0;
       }
+    }
 
     ::libvpx_test::ACMRandom prng;
     for (int i = 0; i < kInputBufferSize; ++i) {
@@ -535,11 +537,12 @@ TEST_P(ConvolveTest, Copy) {
 
   CheckGuardBlocks();
 
-  for (int y = 0; y < Height(); ++y)
+  for (int y = 0; y < Height(); ++y) {
     for (int x = 0; x < Width(); ++x)
       ASSERT_EQ(lookup(out, y * kOutputStride + x),
                 lookup(in, y * kInputStride + x))
           << "(" << x << "," << y << ")";
+  }
 }
 
 TEST_P(ConvolveTest, Avg) {
@@ -553,13 +556,14 @@ TEST_P(ConvolveTest, Avg) {
 
   CheckGuardBlocks();
 
-  for (int y = 0; y < Height(); ++y)
+  for (int y = 0; y < Height(); ++y) {
     for (int x = 0; x < Width(); ++x)
       ASSERT_EQ(lookup(out, y * kOutputStride + x),
                 ROUND_POWER_OF_TWO(lookup(in, y * kInputStride + x) +
                                        lookup(out_ref, y * kOutputStride + x),
                                    1))
           << "(" << x << "," << y << ")";
+  }
 }
 
 TEST_P(ConvolveTest, CopyHoriz) {
@@ -574,11 +578,12 @@ TEST_P(ConvolveTest, CopyHoriz) {
 
   CheckGuardBlocks();
 
-  for (int y = 0; y < Height(); ++y)
+  for (int y = 0; y < Height(); ++y) {
     for (int x = 0; x < Width(); ++x)
       ASSERT_EQ(lookup(out, y * kOutputStride + x),
                 lookup(in, y * kInputStride + x))
           << "(" << x << "," << y << ")";
+  }
 }
 
 TEST_P(ConvolveTest, CopyVert) {
@@ -593,11 +598,12 @@ TEST_P(ConvolveTest, CopyVert) {
 
   CheckGuardBlocks();
 
-  for (int y = 0; y < Height(); ++y)
+  for (int y = 0; y < Height(); ++y) {
     for (int x = 0; x < Width(); ++x)
       ASSERT_EQ(lookup(out, y * kOutputStride + x),
                 lookup(in, y * kInputStride + x))
           << "(" << x << "," << y << ")";
+  }
 }
 
 TEST_P(ConvolveTest, Copy2D) {
@@ -612,11 +618,12 @@ TEST_P(ConvolveTest, Copy2D) {
 
   CheckGuardBlocks();
 
-  for (int y = 0; y < Height(); ++y)
+  for (int y = 0; y < Height(); ++y) {
     for (int x = 0; x < Width(); ++x)
       ASSERT_EQ(lookup(out, y * kOutputStride + x),
                 lookup(in, y * kInputStride + x))
           << "(" << x << "," << y << ")";
+  }
 }
 
 const int kNumFilterBanks = 4;
@@ -690,7 +697,7 @@ TEST_P(ConvolveTest, MatchesReferenceSubpixelFilter) {
 
         CheckGuardBlocks();
 
-        for (int y = 0; y < Height(); ++y)
+        for (int y = 0; y < Height(); ++y) {
           for (int x = 0; x < Width(); ++x)
             ASSERT_EQ(lookup(ref, y * kOutputStride + x),
                       lookup(out, y * kOutputStride + x))
@@ -700,6 +707,7 @@ TEST_P(ConvolveTest, MatchesReferenceSubpixelFilter) {
         }
       }
     }
+  }
 }
 
 TEST_P(ConvolveTest, MatchesReferenceAveragingSubpixelFilter) {
@@ -767,7 +775,7 @@ TEST_P(ConvolveTest, MatchesReferenceAveragingSubpixelFilter) {
 
         CheckGuardBlocks();
 
-        for (int y = 0; y < Height(); ++y)
+        for (int y = 0; y < Height(); ++y) {
           for (int x = 0; x < Width(); ++x)
             ASSERT_EQ(lookup(ref, y * kOutputStride + x),
                       lookup(out, y * kOutputStride + x))
@@ -777,6 +785,7 @@ TEST_P(ConvolveTest, MatchesReferenceAveragingSubpixelFilter) {
         }
       }
     }
+  }
 }
 
 TEST_P(ConvolveTest, FilterExtremes) {
@@ -828,11 +837,12 @@ TEST_P(ConvolveTest, FilterExtremes) {
 #endif
           if (axis) seed_val++;
         }
-        if (axis)
+        if (axis) {
           seed_val -= 8;
-        else
+        } else {
           seed_val++;
         }
+      }
       if (axis) seed_val += 8;
 
       for (int filter_bank = 0; filter_bank < kNumFilterBanks; ++filter_bank) {
@@ -860,7 +870,7 @@ TEST_P(ConvolveTest, FilterExtremes) {
                   in, kInputStride, out, kOutputStride, kInvalidFilter, 0,
                   kInvalidFilter, 0, Width(), Height()));
 
-            for (int y = 0; y < Height(); ++y)
+            for (int y = 0; y < Height(); ++y) {
               for (int x = 0; x < Width(); ++x)
                 ASSERT_EQ(lookup(ref, y * kOutputStride + x),
                           lookup(out, y * kOutputStride + x))
@@ -872,6 +882,7 @@ TEST_P(ConvolveTest, FilterExtremes) {
         }
       }
     }
+  }
 }
 
 /* This test exercises that enough rows and columns are filtered with every

test/datarate_test.cc

@@ -46,8 +46,9 @@ class DatarateTestLarge
 
   virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
                                   ::libvpx_test::Encoder *encoder) {
-    if (video->frame() == 0)
+    if (video->frame() == 0) {
       encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
+    }
 
     if (denoiser_offon_test_) {
       ASSERT_GT(denoiser_offon_period_, 0)
@@ -476,10 +477,11 @@ TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagNonZero) {
   cfg_.rc_end_usage = VPX_VBR;
   // For non-zero lag, rate control will work (be within bounds) for
   // real-time mode.
-  if (deadline_ == VPX_DL_REALTIME)
+  if (deadline_ == VPX_DL_REALTIME) {
     cfg_.g_lag_in_frames = 15;
-  else
+  } else {
     cfg_.g_lag_in_frames = 0;
+  }
 
   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                        30, 1, 0, 300);

test/dct16x16_test.cc

@@ -386,8 +386,9 @@ class Trans16x16TestBase {
 
     for (int i = 0; i < count_test_block; ++i) {
       // Initialize a test block with input range [-mask_, mask_].
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
+      }
 
       fwd_txfm_ref(input_block, output_ref_block, pitch_, tx_type_);
       ASM_REGISTER_STATE_CHECK(RunFwdTxfm(input_block, output_block, pitch_));
@@ -447,10 +448,12 @@ class Trans16x16TestBase {
       for (int j = 0; j < kNumCoeffs; ++j) {
         input_extreme_block[j] = rnd.Rand8() % 2 ? mask_ : -mask_;
       }
-      if (i == 0)
+      if (i == 0) {
         for (int j = 0; j < kNumCoeffs; ++j) input_extreme_block[j] = mask_;
-      if (i == 1)
+      }
+      if (i == 1) {
         for (int j = 0; j < kNumCoeffs; ++j) input_extreme_block[j] = -mask_;
+      }
 
       fwd_txfm_ref(input_extreme_block, output_ref_block, pitch_, tx_type_);
 
@@ -464,8 +467,9 @@ class Trans16x16TestBase {
 
       // quantization with maximum allowed step sizes
       output_ref_block[0] = (output_ref_block[0] / dc_thred) * dc_thred;
-      for (int j = 1; j < kNumCoeffs; ++j)
+      for (int j = 1; j < kNumCoeffs; ++j) {
         output_ref_block[j] = (output_ref_block[j] / ac_thred) * ac_thred;
+      }
       if (bit_depth_ == VPX_BITS_8) {
         inv_txfm_ref(output_ref_block, ref, pitch_, tx_type_);
         ASM_REGISTER_STATE_CHECK(RunInvTxfm(output_ref_block, dst, pitch_));
@@ -518,8 +522,9 @@ class Trans16x16TestBase {
       }
 
       reference_16x16_dct_2d(in, out_r);
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         coeff[j] = static_cast<tran_low_t>(round(out_r[j]));
+      }
 
       if (bit_depth_ == VPX_BITS_8) {
         ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, 16));

test/dct32x32_test.cc

@@ -37,8 +37,9 @@ void reference_32x32_dct_1d(const double in[32], double out[32]) {
   const double kInvSqrt2 = 0.707106781186547524400844362104;
   for (int k = 0; k < 32; k++) {
     out[k] = 0.0;
-    for (int n = 0; n < 32; n++)
+    for (int n = 0; n < 32; n++) {
       out[k] += in[n] * cos(kPi * (2 * n + 1) * k / 64.0);
+    }
     if (k == 0) out[k] = out[k] * kInvSqrt2;
   }
 }
@@ -174,8 +175,9 @@ TEST_P(Trans32x32Test, CoeffCheck) {
   DECLARE_ALIGNED(16, tran_low_t, output_block[kNumCoeffs]);
 
   for (int i = 0; i < count_test_block; ++i) {
-    for (int j = 0; j < kNumCoeffs; ++j)
+    for (int j = 0; j < kNumCoeffs; ++j) {
       input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
+    }
 
     const int stride = 32;
     vpx_fdct32x32_c(input_block, output_ref_block, stride);
@@ -266,8 +268,9 @@ TEST_P(Trans32x32Test, InverseAccuracy) {
     }
 
     reference_32x32_dct_2d(in, out_r);
-    for (int j = 0; j < kNumCoeffs; ++j)
+    for (int j = 0; j < kNumCoeffs; ++j) {
       coeff[j] = static_cast<tran_low_t>(round(out_r[j]));
+    }
     if (bit_depth_ == VPX_BITS_8) {
       ASM_REGISTER_STATE_CHECK(inv_txfm_(coeff, dst, 32));
 #if CONFIG_VP9_HIGHBITDEPTH

test/decode_perf_test.cc

@@ -28,7 +28,6 @@ namespace {
 #define VIDEO_NAME 0
 #define THREADS 1
 
-const int kMaxPsnr = 100;
 const double kUsecsInSec = 1000000.0;
 const char kNewEncodeOutputFile[] = "new_encode.ivf";
 
@@ -154,8 +153,9 @@ class VP9NewEncodeDecodePerfTest
 
   virtual void EndPassHook() {
     if (outfile_ != NULL) {
-      if (!fseek(outfile_, 0, SEEK_SET))
+      if (!fseek(outfile_, 0, SEEK_SET)) {
         ivf_write_file_header(outfile_, &cfg_, VP9_FOURCC, out_frames_);
+      }
       fclose(outfile_);
       outfile_ = NULL;
     }
@@ -165,8 +165,9 @@ class VP9NewEncodeDecodePerfTest
     ++out_frames_;
 
     // Write initial file header if first frame.
-    if (pkt->data.frame.pts == 0)
+    if (pkt->data.frame.pts == 0) {
       ivf_write_file_header(outfile_, &cfg_, VP9_FOURCC, out_frames_);
+    }
 
     // Write frame header and data.
     ivf_write_frame_header(outfile_, out_frames_, pkt->data.frame.sz);
@@ -174,7 +175,7 @@ class VP9NewEncodeDecodePerfTest
               pkt->data.frame.sz);
   }
 
-  virtual bool DoDecode() { return false; }
+  virtual bool DoDecode() const { return false; }
 
   void set_speed(unsigned int speed) { speed_ = speed; }
 

test/decode_test_driver.cc

@@ -97,9 +97,10 @@ void DecoderTest::RunLoop(CompressedVideoSource *video,
     const vpx_image_t *img = NULL;
 
     // Get decompressed data
-    while ((img = dec_iter.Next()))
+    while ((img = dec_iter.Next())) {
       DecompressedFrameHook(*img, video->frame_number());
     }
+  }
   delete decoder;
 }
 

test/encode_perf_test.cc

@@ -105,7 +105,7 @@ class VP9EncodePerfTest
   }
 
   // for performance reasons don't decode
-  virtual bool DoDecode() { return 0; }
+  virtual bool DoDecode() const { return false; }
 
   double min_psnr() const { return min_psnr_; }
 
@@ -126,11 +126,12 @@ TEST_P(VP9EncodePerfTest, PerfTest) {
     for (size_t j = 0; j < NELEMENTS(kEncodePerfTestSpeeds); ++j) {
       for (size_t k = 0; k < NELEMENTS(kEncodePerfTestThreads); ++k) {
         if (kVP9EncodePerfTestVectors[i].width < 512 &&
-            kEncodePerfTestThreads[k] > 1)
+            kEncodePerfTestThreads[k] > 1) {
           continue;
-        else if (kVP9EncodePerfTestVectors[i].width < 1024 &&
+        } else if (kVP9EncodePerfTestVectors[i].width < 1024 &&
-                 kEncodePerfTestThreads[k] > 2)
+                   kEncodePerfTestThreads[k] > 2) {
           continue;
+        }
 
         set_threads(kEncodePerfTestThreads[k]);
         SetUp();

test/encode_test_driver.cc

@@ -52,10 +52,11 @@ void Encoder::InitEncoder(VideoSource *video) {
 }
 
 void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
-  if (video->img())
+  if (video->img()) {
     EncodeFrameInternal(*video, frame_flags);
-  else
+  } else {
     Flush();
+  }
 
   // Handle twopass stats
   CxDataIterator iter = GetCxData();
@@ -115,10 +116,11 @@ void EncoderTest::SetMode(TestMode mode) {
     default: ASSERT_TRUE(false) << "Unexpected mode " << mode;
   }
 
-  if (mode == kTwoPassGood || mode == kTwoPassBest)
+  if (mode == kTwoPassGood || mode == kTwoPassBest) {
     passes_ = 2;
-  else
+  } else {
     passes_ = 1;
+  }
 }
 // The function should return "true" most of the time, therefore no early
 // break-out is implemented within the match checking process.
@@ -129,23 +131,26 @@ static bool compare_img(const vpx_image_t *img1, const vpx_image_t *img2) {
   const unsigned int width_y = img1->d_w;
   const unsigned int height_y = img1->d_h;
   unsigned int i;
-  for (i = 0; i < height_y; ++i)
+  for (i = 0; i < height_y; ++i) {
     match = (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
                     img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
                     width_y) == 0) &&
             match;
+  }
   const unsigned int width_uv = (img1->d_w + 1) >> 1;
   const unsigned int height_uv = (img1->d_h + 1) >> 1;
-  for (i = 0; i < height_uv; ++i)
+  for (i = 0; i < height_uv; ++i) {
     match = (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
                     img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
                     width_uv) == 0) &&
             match;
-  for (i = 0; i < height_uv; ++i)
+  }
+  for (i = 0; i < height_uv; ++i) {
     match = (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
                     img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
                     width_uv) == 0) &&
             match;
+  }
   return match;
 }
 
@@ -163,12 +168,13 @@ void EncoderTest::RunLoop(VideoSource *video) {
   for (unsigned int pass = 0; pass < passes_; pass++) {
     last_pts_ = 0;
 
-    if (passes_ == 1)
+    if (passes_ == 1) {
       cfg_.g_pass = VPX_RC_ONE_PASS;
-    else if (pass == 0)
+    } else if (pass == 0) {
       cfg_.g_pass = VPX_RC_FIRST_PASS;
-    else
+    } else {
       cfg_.g_pass = VPX_RC_LAST_PASS;
+    }
 
     BeginPassHook(pass);
     testing::internal::scoped_ptr<Encoder> encoder(
@@ -182,8 +188,9 @@ void EncoderTest::RunLoop(VideoSource *video) {
     unsigned long dec_init_flags = 0;  // NOLINT
     // Use fragment decoder if encoder outputs partitions.
     // NOTE: fragment decoder and partition encoder are only supported by VP8.
-    if (init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION)
+    if (init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION) {
       dec_init_flags |= VPX_CODEC_USE_INPUT_FRAGMENTS;
+    }
     testing::internal::scoped_ptr<Decoder> decoder(
         codec_->CreateDecoder(dec_cfg, dec_init_flags));
     bool again;

test/error_resilience_test.cc

@@ -152,24 +152,28 @@ class ErrorResilienceTestLarge
   }
 
   void SetErrorFrames(int num, unsigned int *list) {
-    if (num > kMaxErrorFrames)
+    if (num > kMaxErrorFrames) {
       num = kMaxErrorFrames;
-    else if (num < 0)
+    } else if (num < 0) {
       num = 0;
+    }
     error_nframes_ = num;
-    for (unsigned int i = 0; i < error_nframes_; ++i)
+    for (unsigned int i = 0; i < error_nframes_; ++i) {
       error_frames_[i] = list[i];
     }
+  }
 
   void SetDroppableFrames(int num, unsigned int *list) {
-    if (num > kMaxDroppableFrames)
+    if (num > kMaxDroppableFrames) {
       num = kMaxDroppableFrames;
-    else if (num < 0)
+    } else if (num < 0) {
       num = 0;
+    }
     droppable_nframes_ = num;
-    for (unsigned int i = 0; i < droppable_nframes_; ++i)
+    for (unsigned int i = 0; i < droppable_nframes_; ++i) {
       droppable_frames_[i] = list[i];
     }
+  }
 
   unsigned int GetMismatchFrames() { return mismatch_nframes_; }
 

test/fdct4x4_test.cc

@@ -170,8 +170,9 @@ class Trans4x4TestBase {
 
     for (int i = 0; i < count_test_block; ++i) {
       // Initialize a test block with input range [-mask_, mask_].
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
+      }
 
       fwd_txfm_ref(input_block, output_ref_block, pitch_, tx_type_);
       ASM_REGISTER_STATE_CHECK(RunFwdTxfm(input_block, output_block, pitch_));

test/fdct8x8_test.cc

@@ -51,8 +51,9 @@ void reference_8x8_dct_1d(const double in[8], double out[8]) {
   const double kInvSqrt2 = 0.707106781186547524400844362104;
   for (int k = 0; k < 8; k++) {
     out[k] = 0.0;
-    for (int n = 0; n < 8; n++)
+    for (int n = 0; n < 8; n++) {
       out[k] += in[n] * cos(kPi * (2 * n + 1) * k / 16.0);
+    }
     if (k == 0) out[k] = out[k] * kInvSqrt2;
   }
 }
@@ -149,19 +150,21 @@ class FwdTrans8x8TestBase {
 
     for (int i = 0; i < count_test_block; ++i) {
       // Initialize a test block with input range [-255, 255].
-      for (int j = 0; j < 64; ++j)
+      for (int j = 0; j < 64; ++j) {
         test_input_block[j] = ((rnd.Rand16() >> (16 - bit_depth_)) & mask_) -
                               ((rnd.Rand16() >> (16 - bit_depth_)) & mask_);
+      }
       ASM_REGISTER_STATE_CHECK(
           RunFwdTxfm(test_input_block, test_output_block, pitch_));
 
       for (int j = 0; j < 64; ++j) {
-        if (test_output_block[j] < 0)
+        if (test_output_block[j] < 0) {
           ++count_sign_block[j][0];
-        else if (test_output_block[j] > 0)
+        } else if (test_output_block[j] > 0) {
           ++count_sign_block[j][1];
         }
       }
+    }
 
     for (int j = 0; j < 64; ++j) {
       const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
@@ -178,19 +181,21 @@ class FwdTrans8x8TestBase {
 
     for (int i = 0; i < count_test_block; ++i) {
       // Initialize a test block with input range [-mask_ / 16, mask_ / 16].
-      for (int j = 0; j < 64; ++j)
+      for (int j = 0; j < 64; ++j) {
         test_input_block[j] =
             ((rnd.Rand16() & mask_) >> 4) - ((rnd.Rand16() & mask_) >> 4);
+      }
       ASM_REGISTER_STATE_CHECK(
           RunFwdTxfm(test_input_block, test_output_block, pitch_));
 
       for (int j = 0; j < 64; ++j) {
-        if (test_output_block[j] < 0)
+        if (test_output_block[j] < 0) {
           ++count_sign_block[j][0];
-        else if (test_output_block[j] > 0)
+        } else if (test_output_block[j] > 0) {
           ++count_sign_block[j][1];
         }
       }
+    }
 
     for (int j = 0; j < 64; ++j) {
       const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
@@ -399,8 +404,9 @@ class FwdTrans8x8TestBase {
       }
 
       reference_8x8_dct_2d(in, out_r);
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         coeff[j] = static_cast<tran_low_t>(round(out_r[j]));
+      }
 
       if (bit_depth_ == VPX_BITS_8) {
         ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch_));
@@ -436,13 +442,15 @@ class FwdTrans8x8TestBase {
       double out_r[kNumCoeffs];
 
       // Initialize a test block with input range [-mask_, mask_].
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         in[j] = rnd.Rand8() % 2 == 0 ? mask_ : -mask_;
+      }
 
       RunFwdTxfm(in, coeff, pitch_);
       reference_8x8_dct_2d(in, out_r);
-      for (int j = 0; j < kNumCoeffs; ++j)
+      for (int j = 0; j < kNumCoeffs; ++j) {
         coeff_r[j] = static_cast<tran_low_t>(round(out_r[j]));
+      }
 
       for (int j = 0; j < kNumCoeffs; ++j) {
         const int32_t diff = coeff[j] - coeff_r[j];

test/idct8x8_test.cc

@@ -28,8 +28,9 @@ void reference_dct_1d(double input[8], double output[8]) {
   const double kInvSqrt2 = 0.707106781186547524400844362104;
   for (int k = 0; k < 8; k++) {
     output[k] = 0.0;
-    for (int n = 0; n < 8; n++)
+    for (int n = 0; n < 8; n++) {
       output[k] += input[n] * cos(kPi * (2 * n + 1) * k / 16.0);
+    }
     if (k == 0) output[k] = output[k] * kInvSqrt2;
   }
 }
@@ -70,8 +71,9 @@ TEST(VP9Idct8x8Test, AccuracyCheck) {
     for (int j = 0; j < 64; ++j) input[j] = src[j] - dst[j];
 
     reference_dct_2d(input, output_r);
-    for (int j = 0; j < 64; ++j)
+    for (int j = 0; j < 64; ++j) {
       coeff[j] = static_cast<tran_low_t>(round(output_r[j]));
+    }
     vpx_idct8x8_64_add_c(coeff, dst, 8);
     for (int j = 0; j < 64; ++j) {
       const int diff = dst[j] - src[j];

test/idct_test.cc

@@ -43,11 +43,12 @@ class IDCTTest : public ::testing::TestWithParam<IdctFunc> {
 TEST_P(IDCTTest, TestGuardBlocks) {
   int i;
 
-  for (i = 0; i < 256; i++)
+  for (i = 0; i < 256; i++) {
     if ((i & 0xF) < 4 && i < 64)
       EXPECT_EQ(0, output[i]) << i;
     else
       EXPECT_EQ(255, output[i]);
+  }
 }
 
 TEST_P(IDCTTest, TestAllZeros) {
@@ -55,11 +56,12 @@ TEST_P(IDCTTest, TestAllZeros) {
 
   ASM_REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
 
-  for (i = 0; i < 256; i++)
+  for (i = 0; i < 256; i++) {
     if ((i & 0xF) < 4 && i < 64)
       EXPECT_EQ(0, output[i]) << "i==" << i;
     else
       EXPECT_EQ(255, output[i]) << "i==" << i;
+  }
 }
 
 TEST_P(IDCTTest, TestAllOnes) {
@@ -68,11 +70,12 @@ TEST_P(IDCTTest, TestAllOnes) {
   input[0] = 4;
   ASM_REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
 
-  for (i = 0; i < 256; i++)
+  for (i = 0; i < 256; i++) {
     if ((i & 0xF) < 4 && i < 64)
       EXPECT_EQ(1, output[i]) << "i==" << i;
     else
       EXPECT_EQ(255, output[i]) << "i==" << i;
+  }
 }
 
 TEST_P(IDCTTest, TestAddOne) {
@@ -82,11 +85,12 @@ TEST_P(IDCTTest, TestAddOne) {
   input[0] = 4;
   ASM_REGISTER_STATE_CHECK(UUT(input, predict, 16, output, 16));
 
-  for (i = 0; i < 256; i++)
+  for (i = 0; i < 256; i++) {
     if ((i & 0xF) < 4 && i < 64)
       EXPECT_EQ(i + 1, output[i]) << "i==" << i;
     else
       EXPECT_EQ(255, output[i]) << "i==" << i;
+  }
 }
 
 TEST_P(IDCTTest, TestWithData) {
@@ -96,7 +100,7 @@ TEST_P(IDCTTest, TestWithData) {
 
   ASM_REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
 
-  for (i = 0; i < 256; i++)
+  for (i = 0; i < 256; i++) {
     if ((i & 0xF) > 3 || i > 63)
       EXPECT_EQ(255, output[i]) << "i==" << i;
     else if (i == 0)
@@ -107,6 +111,7 @@ TEST_P(IDCTTest, TestWithData) {
       EXPECT_EQ(3, output[i]) << "i==" << i;
     else
       EXPECT_EQ(0, output[i]) << "i==" << i;
+  }
 }
 
 INSTANTIATE_TEST_CASE_P(C, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_c));

test/keyframe_test.cc

@@ -35,11 +35,13 @@ class KeyframeTest
 
   virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
                                   ::libvpx_test::Encoder *encoder) {
-    if (kf_do_force_kf_)
+    if (kf_do_force_kf_) {
       frame_flags_ = (video->frame() % 3) ? 0 : VPX_EFLAG_FORCE_KF;
-    if (set_cpu_used_ && video->frame() == 1)
+    }
+    if (set_cpu_used_ && video->frame() == 1) {
       encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
     }
+  }
 
   virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
     if (pkt->data.frame.flags & VPX_FRAME_IS_KEY) {

test/partial_idct_test.cc

@@ -100,10 +100,11 @@ TEST_P(PartialIDctTest, RunQuantCheck) {
 
       // quantization with maximum allowed step sizes
       test_coef_block1[0] = (output_ref_block[0] / 1336) * 1336;
-      for (int j = 1; j < last_nonzero_; ++j)
+      for (int j = 1; j < last_nonzero_; ++j) {
         test_coef_block1[vp9_default_scan_orders[tx_size_].scan[j]] =
             (output_ref_block[j] / 1828) * 1828;
       }
+    }
 
     ASM_REGISTER_STATE_CHECK(full_itxfm_(test_coef_block1, dst1, size));
     ASM_REGISTER_STATE_CHECK(partial_itxfm_(test_coef_block1, dst2, size));

test/sad_test.cc

@@ -114,9 +114,10 @@ class SADTestBase : public ::testing::TestWithParam<ParamType> {
 
   uint8_t *GetReference(int block_idx) const {
 #if CONFIG_VP9_HIGHBITDEPTH
-    if (use_high_bit_depth_)
+    if (use_high_bit_depth_) {
       return CONVERT_TO_BYTEPTR(CONVERT_TO_SHORTPTR(reference_data_) +
                                 block_idx * kDataBlockSize);
+    }
 #endif  // CONFIG_VP9_HIGHBITDEPTH
     return reference_data_ + block_idx * kDataBlockSize;
   }

test/sixtap_predict_test.cc

@@ -146,10 +146,11 @@ TEST_P(SixtapPredictTest, TestWithPresetData) {
   ASM_REGISTER_STATE_CHECK(sixtap_predict_(&src[kSrcStride * 2 + 2 + 1],
                                            kSrcStride, 2, 2, dst_, kDstStride));
 
-  for (int i = 0; i < height_; ++i)
+  for (int i = 0; i < height_; ++i) {
     for (int j = 0; j < width_; ++j)
       ASSERT_EQ(expected_dst[i * kDstStride + j], dst_[i * kDstStride + j])
           << "i==" << (i * width_ + j);
+  }
 }
 
 using libvpx_test::ACMRandom;
@@ -172,12 +173,13 @@ TEST_P(SixtapPredictTest, TestWithRandomData) {
                                                kSrcStride, xoffset, yoffset,
                                                dst_, kDstStride));
 
-      for (int i = 0; i < height_; ++i)
+      for (int i = 0; i < height_; ++i) {
         for (int j = 0; j < width_; ++j)
           ASSERT_EQ(dst_c_[i * kDstStride + j], dst_[i * kDstStride + j])
               << "i==" << (i * width_ + j);
       }
     }
+  }
 }
 
 using std::tr1::make_tuple;

test/test_libvpx.cc

@@ -45,10 +45,12 @@ int main(int argc, char **argv) {
   if (!(simd_caps & HAS_SSE)) append_negative_gtest_filter(":SSE.*:SSE/*");
   if (!(simd_caps & HAS_SSE2)) append_negative_gtest_filter(":SSE2.*:SSE2/*");
   if (!(simd_caps & HAS_SSE3)) append_negative_gtest_filter(":SSE3.*:SSE3/*");
-  if (!(simd_caps & HAS_SSSE3))
+  if (!(simd_caps & HAS_SSSE3)) {
     append_negative_gtest_filter(":SSSE3.*:SSSE3/*");
-  if (!(simd_caps & HAS_SSE4_1))
+  }
+  if (!(simd_caps & HAS_SSE4_1)) {
     append_negative_gtest_filter(":SSE4_1.*:SSE4_1/*");
+  }
   if (!(simd_caps & HAS_AVX)) append_negative_gtest_filter(":AVX.*:AVX/*");
   if (!(simd_caps & HAS_AVX2)) append_negative_gtest_filter(":AVX2.*:AVX2/*");
 #endif  // ARCH_X86 || ARCH_X86_64

test/util.h

@@ -28,12 +28,13 @@ inline double compute_psnr(const vpx_image_t *img1, const vpx_image_t *img2) {
   unsigned int i, j;
 
   int64_t sqrerr = 0;
-  for (i = 0; i < height_y; ++i)
+  for (i = 0; i < height_y; ++i) {
     for (j = 0; j < width_y; ++j) {
       int64_t d = img1->planes[VPX_PLANE_Y][i * img1->stride[VPX_PLANE_Y] + j] -
                   img2->planes[VPX_PLANE_Y][i * img2->stride[VPX_PLANE_Y] + j];
       sqrerr += d * d;
     }
+  }
   double mse = static_cast<double>(sqrerr) / (width_y * height_y);
   double psnr = 100.0;
   if (mse > 0.0) {

test/video_source.h

@@ -218,12 +218,13 @@ class RandomVideoSource : public DummyVideoSource {
   // than holding previous frames to encourage keyframes to be thrown.
   virtual void FillFrame() {
     if (img_) {
-      if (frame_ % 30 < 15)
+      if (frame_ % 30 < 15) {
         for (size_t i = 0; i < raw_sz_; ++i) img_->img_data[i] = rnd_.Rand8();
-      else
+      } else {
         memset(img_->img_data, 0, raw_sz_);
       }
     }
+  }
 
   ACMRandom rnd_;
   int seed_;

test/vp8_fdct4x4_test.cc

@@ -80,24 +80,27 @@ TEST(VP8FdctTest, SignBiasCheck) {
 
   for (int i = 0; i < count_test_block; ++i) {
     // Initialize a test block with input range [-255, 255].
-    for (int j = 0; j < 16; ++j)
+    for (int j = 0; j < 16; ++j) {
       test_input_block[j] = rnd.Rand8() - rnd.Rand8();
+    }
 
     vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);
 
     for (int j = 0; j < 16; ++j) {
-      if (test_output_block[j] < 0)
+      if (test_output_block[j] < 0) {
         ++count_sign_block[j][0];
-      else if (test_output_block[j] > 0)
+      } else if (test_output_block[j] > 0) {
         ++count_sign_block[j][1];
       }
     }
+  }
 
   bool bias_acceptable = true;
-  for (int j = 0; j < 16; ++j)
+  for (int j = 0; j < 16; ++j) {
     bias_acceptable =
         bias_acceptable &&
         (abs(count_sign_block[j][0] - count_sign_block[j][1]) < 10000);
+  }
 
   EXPECT_EQ(true, bias_acceptable)
       << "Error: 4x4 FDCT has a sign bias > 1% for input range [-255, 255]";
@@ -106,24 +109,27 @@ TEST(VP8FdctTest, SignBiasCheck) {
 
   for (int i = 0; i < count_test_block; ++i) {
     // Initialize a test block with input range [-15, 15].
-    for (int j = 0; j < 16; ++j)
+    for (int j = 0; j < 16; ++j) {
       test_input_block[j] = (rnd.Rand8() >> 4) - (rnd.Rand8() >> 4);
+    }
 
     vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);
 
     for (int j = 0; j < 16; ++j) {
-      if (test_output_block[j] < 0)
+      if (test_output_block[j] < 0) {
         ++count_sign_block[j][0];
-      else if (test_output_block[j] > 0)
+      } else if (test_output_block[j] > 0) {
         ++count_sign_block[j][1];
       }
     }
+  }
 
   bias_acceptable = true;
-  for (int j = 0; j < 16; ++j)
+  for (int j = 0; j < 16; ++j) {
     bias_acceptable =
         bias_acceptable &&
         (abs(count_sign_block[j][0] - count_sign_block[j][1]) < 100000);
+  }
 
   EXPECT_EQ(true, bias_acceptable)
       << "Error: 4x4 FDCT has a sign bias > 10% for input range [-15, 15]";
@@ -140,8 +146,9 @@ TEST(VP8FdctTest, RoundTripErrorCheck) {
     int16_t test_output_block[16];
 
     // Initialize a test block with input range [-255, 255].
-    for (int j = 0; j < 16; ++j)
+    for (int j = 0; j < 16; ++j) {
       test_input_block[j] = rnd.Rand8() - rnd.Rand8();
+    }
 
     const int pitch = 8;
     vp8_short_fdct4x4_c(test_input_block, test_temp_block, pitch);

test/vp9_arf_freq_test.cc

@@ -68,10 +68,11 @@ const int kMinArfVectors[] = {
 
 int is_extension_y4m(const char *filename) {
   const char *dot = strrchr(filename, '.');
-  if (!dot || dot == filename)
+  if (!dot || dot == filename) {
     return 0;
-  else
+  } else {
     return !strcmp(dot, ".y4m");
+  }
 }
 
 class ArfFreqTest
@@ -161,14 +162,15 @@ class ArfFreqTest
   int GetMinVisibleRun() const { return min_run_; }
 
   int GetMinArfDistanceRequested() const {
-    if (min_arf_requested_)
+    if (min_arf_requested_) {
       return min_arf_requested_;
-    else
+    } else {
       return vp9_rc_get_default_min_gf_interval(
           test_video_param_.width, test_video_param_.height,
           (double)test_video_param_.framerate_num /
               test_video_param_.framerate_den);
     }
+  }
 
   TestVideoParam test_video_param_;
   TestEncodeParam test_encode_param_;

test/vp9_encoder_parms_get_to_decoder.cc

@@ -87,10 +87,11 @@ class VpxEncoderParmsGetToDecoder
       encoder->Control(VP8E_SET_ARNR_MAXFRAMES, 7);
       encoder->Control(VP8E_SET_ARNR_STRENGTH, 5);
       encoder->Control(VP8E_SET_ARNR_TYPE, 3);
-      if (encode_parms.render_size[0] > 0 && encode_parms.render_size[1] > 0)
+      if (encode_parms.render_size[0] > 0 && encode_parms.render_size[1] > 0) {
         encoder->Control(VP9E_SET_RENDER_SIZE, encode_parms.render_size);
       }
     }
+  }
 
   virtual bool HandleDecodeResult(const vpx_codec_err_t res_dec,
                                   const libvpx_test::VideoSource & /*video*/,

test/vp9_end_to_end_test.cc

@@ -67,10 +67,11 @@ const int kCpuUsedVectors[] = { 1, 2, 3, 5, 6 };
 
 int is_extension_y4m(const char *filename) {
   const char *dot = strrchr(filename, '.');
-  if (!dot || dot == filename)
+  if (!dot || dot == filename) {
     return 0;
-  else
+  } else {
     return !strcmp(dot, ".y4m");
+  }
 }
 
 class EndToEndTestLarge

test/yuv_video_source.h

@@ -45,8 +45,9 @@ class YUVVideoSource : public VideoSource {
     input_file_ = OpenTestDataFile(file_name_);
     ASSERT_TRUE(input_file_ != NULL) << "Input file open failed. Filename: "
                                      << file_name_;
-    if (start_)
+    if (start_) {
       fseek(input_file_, static_cast<unsigned>(raw_size_) * start_, SEEK_SET);
+    }
 
     frame_ = start_;
     FillFrame();