libvpx: Pull from upstream

source/libvpx/test/lru_frame_buffer_test.cc

Index: source/libvpx/test/lru_frame_buffer_test.cc
===================================================================
--- source/libvpx/test/lru_frame_buffer_test.cc	(revision 247498)
+++ source/libvpx/test/lru_frame_buffer_test.cc	(working copy)
@@ -1,207 +0,0 @@
-/*
- *  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 <queue>
-#include <string>
-
-#include "test/codec_factory.h"
-#include "test/decode_test_driver.h"
-#include "test/ivf_video_source.h"
-#include "test/md5_helper.h"
-#include "test/util.h"
-#include "test/webm_video_source.h"
-
-namespace {
-
-const int kVideoNameParam = 1;
-
-const char *kLRUTestVectors[] = {
-  "vp90-2-02-size-lf-1920x1080.webm",
-  "vp90-2-05-resize.ivf",
-};
-
-// Callback used by libvpx to request the application to allocate a frame
-// buffer of at least |new_size| in bytes.
-int realloc_vp9_frame_buffer(void *user_priv, size_t new_size,
-                             vpx_codec_frame_buffer_t *fb) {
-  (void)user_priv;
-  if (fb == NULL)
-    return -1;
-
-  delete [] fb->data;
-  fb->data = new uint8_t[new_size];
-  fb->size = new_size;
-
-  return 0;
-}
-
-// Class for testing libvpx is using the least recently
-// used frame buffer when a new buffer is requested.
-class LRUFrameBufferTest
-    : public ::libvpx_test::DecoderTest,
-      public ::libvpx_test::CodecTestWithParam<const char*> {
- protected:
-  struct FrameBufferMD5Sum {
-    int frame_buffer_index;
-    vpx_image_t img;
-    std::string md5;
-  };
-
-  LRUFrameBufferTest()
-      : DecoderTest(GET_PARAM(::libvpx_test::kCodecFactoryParam)),
-        num_buffers_(0),
-        num_jitter_buffers_(0),
-        frame_buffers_(NULL) {}
-
-  virtual ~LRUFrameBufferTest() {
-    for (int i = 0; i < num_buffers_; ++i) {
-      delete [] frame_buffers_[i].data;
-    }
-    delete [] frame_buffers_;
-  }
-
-  virtual void PreDecodeFrameHook(
-      const libvpx_test::CompressedVideoSource &video,
-      libvpx_test::Decoder *decoder) {
-    // Use external buffers for testing jitter buffers.
-    if (num_jitter_buffers_ > 0 && video.frame_number() == 0) {
-      const int max_reference_buffers = 8;
-
-      // Add 1 for a work buffer.
-      num_buffers_ = max_reference_buffers + 1 + num_jitter_buffers_;
-
-      // Have libvpx use frame buffers we create.
-      frame_buffers_ = new vpx_codec_frame_buffer_t[num_buffers_];
-      memset(frame_buffers_, 0, sizeof(frame_buffers_[0]) * num_buffers_);
-
-      decoder->SetExternalFrameBuffers(frame_buffers_, num_buffers_,
-                                       realloc_vp9_frame_buffer, NULL);
-    }
-
-    // Turn on frame buffer LRU cache.
-    decoder->Control(VP9D_SET_FRAME_BUFFER_LRU_CACHE, 1);
-  }
-
-  virtual void DecompressedFrameHook(const vpx_image_t &img,
-                                     const unsigned int frame_number) {
-    const uint32_t ximg_y_plane = 0;
-    const uint8_t *const y_buffer = img.planes[ximg_y_plane];
-
-    // Find which external buffer contains the y_buffer.
-    int i = 0;
-    for (i = 0; i < num_buffers_; ++i) {
-      if (y_buffer >= frame_buffers_[i].data &&
-          y_buffer < (frame_buffers_[i].data + frame_buffers_[i].size)) {
-        break;
-      }
-    }
-
-    FrameBufferMD5Sum fb_md5;
-    fb_md5.frame_buffer_index = i;
-    fb_md5.img = img;
-
-    libvpx_test::MD5 md5;
-    md5.Add(&img);
-    fb_md5.md5 = md5.Get();
-    jitter_buffer_md5_sums_.push(fb_md5);
-
-    // Check to see if any of the reconstructed image changed.
-    if (jitter_buffer_md5_sums_.size() >
-        static_cast<size_t>(num_jitter_buffers_)) {
-      fb_md5 = jitter_buffer_md5_sums_.front();
-
-      libvpx_test::MD5 md5;
-      md5.Add(&fb_md5.img);
-      const std::string check_str = md5.Get();
-
-      ASSERT_EQ(fb_md5.md5, check_str);
-      jitter_buffer_md5_sums_.pop();
-    }
-  }
-
-  libvpx_test::CompressedVideoSource *OpenCompressedFile(
-      const std::string &filename) {
-    if (filename.substr(filename.length() - 3, 3) == "ivf") {
-      return new libvpx_test::IVFVideoSource(filename);
-    } else if (filename.substr(filename.length() - 4, 4) == "webm") {
-      return new libvpx_test::WebMVideoSource(filename);
-    }
-    return NULL;
-  }
-
-  void set_num_jitter_buffers(int num_buffers) {
-    num_jitter_buffers_ = num_buffers;
-  }
-
- private:
-  // Total number of external frame buffers.
-  int num_buffers_;
-  int num_jitter_buffers_;
-
-  // External frame buffers used by libvpx.
-  vpx_codec_frame_buffer_t *frame_buffers_;
-
-  // Save the md5 checksums for later comparison.
-  std::queue<FrameBufferMD5Sum> jitter_buffer_md5_sums_;
-};
-
-// This test runs through a set of test vectors, and decodes them.
-// Libvpx will call into the application to allocate a frame buffer when
-// needed. The md5 checksums are computed for each frame after it is
-// decoded and stored to be checked later. After a jitter frame buffer
-// has expired, the md5 checksum is computed again for the expired jitter
-// buffer frame and checked against the md5 checksum after the frame was
-// decoded. If md5 checksums match, then the test is passed. Otherwise,
-// the test failed.
-TEST_P(LRUFrameBufferTest, CheckLRUOneJitterBuffer) {
-  const std::string filename = GET_PARAM(kVideoNameParam);
-
-  set_num_jitter_buffers(1);
-
-  libvpx_test::CompressedVideoSource *const video =
-      OpenCompressedFile(filename);
-  video->Init();
-
-  // Decode frame, and check the md5 matching.
-  ASSERT_NO_FATAL_FAILURE(RunLoop(video));
-  delete video;
-}
-
-TEST_P(LRUFrameBufferTest, CheckLRUFourJitterBuffers) {
-  const std::string filename = GET_PARAM(kVideoNameParam);
-
-  set_num_jitter_buffers(4);
-
-  libvpx_test::CompressedVideoSource *const video =
-      OpenCompressedFile(filename);
-  video->Init();
-
-  // Decode frame, and check the md5 matching.
-  ASSERT_NO_FATAL_FAILURE(RunLoop(video));
-  delete video;
-}
-
-TEST_P(LRUFrameBufferTest, CheckLRUEightJitterBuffers) {
-  const std::string filename = GET_PARAM(kVideoNameParam);
-
-  set_num_jitter_buffers(8);
-
-  libvpx_test::CompressedVideoSource *const video =
-      OpenCompressedFile(filename);
-  video->Init();
-
-  // Decode frame, and check the md5 matching.
-  ASSERT_NO_FATAL_FAILURE(RunLoop(video));
-  delete video;
-}
-
-VP9_INSTANTIATE_TEST_CASE(LRUFrameBufferTest,
-                          ::testing::ValuesIn(kLRUTestVectors));
-}  // namespace