Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/test/encode_test_driver.cc

Index: third_party/libvpx/source/libvpx/test/encode_test_driver.cc
diff --git a/third_party/libvpx/source/libvpx/test/encode_test_driver.cc b/third_party/libvpx/source/libvpx/test/encode_test_driver.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ff39f1afa45ed6c559e85de8b46cb5db8e20b1a1
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/test/encode_test_driver.cc
@@ -0,0 +1,271 @@
+/*
+ *  Copyright (c) 2012 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 "./vpx_config.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/decode_test_driver.h"
+#include "test/register_state_check.h"
+#include "test/video_source.h"
+#include "third_party/googletest/src/include/gtest/gtest.h"
+
+namespace libvpx_test {
+void Encoder::InitEncoder(VideoSource *video) {
+  vpx_codec_err_t res;
+  const vpx_image_t *img = video->img();
+
+  if (video->img() && !encoder_.priv) {
+    cfg_.g_w = img->d_w;
+    cfg_.g_h = img->d_h;
+    cfg_.g_timebase = video->timebase();
+    cfg_.rc_twopass_stats_in = stats_->buf();
+
+    res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
+                             init_flags_);
+    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+
+#if CONFIG_VP9_ENCODER
+    if (CodecInterface() == &vpx_codec_vp9_cx_algo) {
+      // Default to 1 tile column for VP9.
+      const int log2_tile_columns = 0;
+      res = vpx_codec_control_(&encoder_, VP9E_SET_TILE_COLUMNS,
+                               log2_tile_columns);
+      ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+    } else
+#endif
+    {
+#if CONFIG_VP8_ENCODER
+      ASSERT_EQ(&vpx_codec_vp8_cx_algo, CodecInterface())
+          << "Unknown Codec Interface";
+#endif
+    }
+  }
+}
+
+void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
+  if (video->img())
+    EncodeFrameInternal(*video, frame_flags);
+  else
+    Flush();
+
+  // Handle twopass stats
+  CxDataIterator iter = GetCxData();
+
+  while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
+    if (pkt->kind != VPX_CODEC_STATS_PKT)
+      continue;
+
+    stats_->Append(*pkt);
+  }
+}
+
+void Encoder::EncodeFrameInternal(const VideoSource &video,
+                                  const unsigned long frame_flags) {
+  vpx_codec_err_t res;
+  const vpx_image_t *img = video.img();
+
+  // Handle frame resizing
+  if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
+    cfg_.g_w = img->d_w;
+    cfg_.g_h = img->d_h;
+    res = vpx_codec_enc_config_set(&encoder_, &cfg_);
+    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+  }
+
+  // Encode the frame
+  API_REGISTER_STATE_CHECK(
+      res = vpx_codec_encode(&encoder_, img, video.pts(), video.duration(),
+                             frame_flags, deadline_));
+  ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+}
+
+void Encoder::Flush() {
+  const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0,
+                                               deadline_);
+  if (!encoder_.priv)
+    ASSERT_EQ(VPX_CODEC_ERROR, res) << EncoderError();
+  else
+    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+}
+
+void EncoderTest::InitializeConfig() {
+  const vpx_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, 0);
+  dec_cfg_ = vpx_codec_dec_cfg_t();
+  ASSERT_EQ(VPX_CODEC_OK, res);
+}
+
+void EncoderTest::SetMode(TestMode mode) {
+  switch (mode) {
+    case kRealTime:
+      deadline_ = VPX_DL_REALTIME;
+      break;
+
+    case kOnePassGood:
+    case kTwoPassGood:
+      deadline_ = VPX_DL_GOOD_QUALITY;
+      break;
+
+    case kOnePassBest:
+    case kTwoPassBest:
+      deadline_ = VPX_DL_BEST_QUALITY;
+      break;
+
+    default:
+      ASSERT_TRUE(false) << "Unexpected mode " << mode;
+  }
+
+  if (mode == kTwoPassGood || mode == kTwoPassBest)
+    passes_ = 2;
+  else
+    passes_ = 1;
+}
+// The function should return "true" most of the time, therefore no early
+// break-out is implemented within the match checking process.
+static bool compare_img(const vpx_image_t *img1,
+                        const vpx_image_t *img2) {
+  bool match = (img1->fmt == img2->fmt) &&
+               (img1->cs == img2->cs) &&
+               (img1->d_w == img2->d_w) &&
+               (img1->d_h == img2->d_h);
+
+  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)
+    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)
+    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)
+    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;
+}
+
+void EncoderTest::MismatchHook(const vpx_image_t* /*img1*/,
+                               const vpx_image_t* /*img2*/) {
+  ASSERT_TRUE(0) << "Encode/Decode mismatch found";
+}
+
+void EncoderTest::RunLoop(VideoSource *video) {
+  vpx_codec_dec_cfg_t dec_cfg = vpx_codec_dec_cfg_t();
+
+  stats_.Reset();
+
+  ASSERT_TRUE(passes_ == 1 || passes_ == 2);
+  for (unsigned int pass = 0; pass < passes_; pass++) {
+    last_pts_ = 0;
+
+    if (passes_ == 1)
+      cfg_.g_pass = VPX_RC_ONE_PASS;
+    else if (pass == 0)
+      cfg_.g_pass = VPX_RC_FIRST_PASS;
+    else
+      cfg_.g_pass = VPX_RC_LAST_PASS;
+
+    BeginPassHook(pass);
+    Encoder* const encoder = codec_->CreateEncoder(cfg_, deadline_, init_flags_,
+                                                   &stats_);
+    ASSERT_TRUE(encoder != NULL);
+
+    video->Begin();
+    encoder->InitEncoder(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)
+      dec_init_flags |= VPX_CODEC_USE_INPUT_FRAGMENTS;
+    Decoder* const decoder = codec_->CreateDecoder(dec_cfg, dec_init_flags, 0);
+    bool again;
+    for (again = true; again; video->Next()) {
+      again = (video->img() != NULL);
+
+      PreEncodeFrameHook(video);
+      PreEncodeFrameHook(video, encoder);
+      encoder->EncodeFrame(video, frame_flags_);
+
+      CxDataIterator iter = encoder->GetCxData();
+
+      bool has_cxdata = false;
+      bool has_dxdata = false;
+      while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
+        pkt = MutateEncoderOutputHook(pkt);
+        again = true;
+        switch (pkt->kind) {
+          case VPX_CODEC_CX_FRAME_PKT:
+            has_cxdata = true;
+            if (decoder && DoDecode()) {
+              vpx_codec_err_t res_dec = decoder->DecodeFrame(
+                  (const uint8_t*)pkt->data.frame.buf, pkt->data.frame.sz);
+
+              if (!HandleDecodeResult(res_dec, *video, decoder))
+                break;
+
+              has_dxdata = true;
+            }
+            ASSERT_GE(pkt->data.frame.pts, last_pts_);
+            last_pts_ = pkt->data.frame.pts;
+            FramePktHook(pkt);
+            break;
+
+          case VPX_CODEC_PSNR_PKT:
+            PSNRPktHook(pkt);
+            break;
+
+          default:
+            break;
+        }
+      }
+
+      // Flush the decoder when there are no more fragments.
+      if ((init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION) && has_dxdata) {
+        const vpx_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
+        if (!HandleDecodeResult(res_dec, *video, decoder))
+          break;
+      }
+
+      if (has_dxdata && has_cxdata) {
+        const vpx_image_t *img_enc = encoder->GetPreviewFrame();
+        DxDataIterator dec_iter = decoder->GetDxData();
+        const vpx_image_t *img_dec = dec_iter.Next();
+        if (img_enc && img_dec) {
+          const bool res = compare_img(img_enc, img_dec);
+          if (!res) {  // Mismatch
+            MismatchHook(img_enc, img_dec);
+          }
+        }
+        if (img_dec)
+          DecompressedFrameHook(*img_dec, video->pts());
+      }
+      if (!Continue())
+        break;
+    }
+
+    EndPassHook();
+
+    if (decoder)
+      delete decoder;
+    delete encoder;
+
+    if (!Continue())
+      break;
+  }
+}
+
+}  // namespace libvpx_test