| Index: media/base/yuv_scale_unittest.cc
|
| ===================================================================
|
| --- media/base/yuv_scale_unittest.cc (revision 16299)
|
| +++ media/base/yuv_scale_unittest.cc (working copy)
|
| @@ -1,134 +0,0 @@
|
| -// Copyright (c) 2009 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "base/base_paths.h"
|
| -#include "base/file_util.h"
|
| -#include "media/base/yuv_scale.h"
|
| -#include "media/base/yuv_row.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -// Reference images were created with the following steps
|
| -// ffmpeg -vframes 25 -i bali.mov -vcodec rawvideo -pix_fmt yuv420p -an
|
| -// bali.yv12.1280_720.yuv
|
| -// yuvhalf -yv12 -skip 24 bali.yv12.1280_720.yuv bali.yv12.640_360.yuv
|
| -
|
| -// ffmpeg -vframes 25 -i bali.mov -vcodec rawvideo -pix_fmt yuv422p -an
|
| -// bali.yv16.1280_720.yuv
|
| -// yuvhalf -yv16 -skip 24 bali.yv16.1280_720.yuv bali.yv16.640_360.yuv
|
| -
|
| -// After running the scale functions in the unit test below, a hash
|
| -// is taken and compared to a reference value.
|
| -// If the image or code changes, the hash will require an update.
|
| -// A process outside the unittest is needed to confirm the new code
|
| -// and data are correctly working. At this time, the author used
|
| -// the media_player with the same parameters and visually inspected the
|
| -// quality. Once satisified that the quality is correct, the hash
|
| -// can be updated and used to ensure quality remains the same on
|
| -// all future builds and ports.
|
| -
|
| -// Size of raw image.
|
| -static const int kWidth = 640;
|
| -static const int kHeight = 360;
|
| -static const int kScaledWidth = 1024;
|
| -static const int kScaledHeight = 768;
|
| -static const int kBpp = 4;
|
| -
|
| -// TODO(fbarchard): Move hash function to somewhere common.
|
| -namespace {
|
| -// DJB2 hash
|
| -unsigned int hash(unsigned char *s, size_t len, unsigned int hash = 5381) {
|
| - while (len--)
|
| - hash = hash * 33 + *s++;
|
| - return hash;
|
| -}
|
| -}
|
| -
|
| -TEST(YuvScaleTest, Basic) {
|
| - // Read YUV reference data from file.
|
| - FilePath yuv_url;
|
| - EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &yuv_url));
|
| - yuv_url = yuv_url.Append(FILE_PATH_LITERAL("media"))
|
| - .Append(FILE_PATH_LITERAL("test"))
|
| - .Append(FILE_PATH_LITERAL("data"))
|
| - .Append(FILE_PATH_LITERAL("bali.yv12.640_360.yuv"));
|
| - const size_t size_of_yuv = kWidth * kHeight * 12 / 8; // 12 bpp.
|
| - uint8* yuv_bytes = new uint8[size_of_yuv];
|
| - EXPECT_EQ(static_cast<int>(size_of_yuv),
|
| - file_util::ReadFile(yuv_url,
|
| - reinterpret_cast<char*>(yuv_bytes),
|
| - static_cast<int>(size_of_yuv)));
|
| -
|
| - // Scale a frame of YUV to 32 bit ARGB.
|
| - const size_t size_of_rgb_scaled = kScaledWidth * kScaledHeight * kBpp;
|
| - uint8* rgb_scaled_bytes = new uint8[size_of_rgb_scaled];
|
| -
|
| - media::ScaleYV12ToRGB32(yuv_bytes, // Y plane
|
| - yuv_bytes + kWidth * kHeight, // U plane
|
| - yuv_bytes + kWidth * kHeight * 5 / 4, // V plane
|
| - rgb_scaled_bytes, // Rgb output
|
| - kWidth, kHeight, // Dimensions
|
| - kScaledWidth, kScaledHeight, // Dimensions
|
| - kWidth, // YStride
|
| - kWidth / 2, // UvStride
|
| - kScaledWidth * kBpp, // RgbStride
|
| - media::ROTATE_0);
|
| -
|
| - unsigned int rgb_hash = hash(rgb_scaled_bytes, size_of_rgb_scaled);
|
| -
|
| - // To get this hash value, run once and examine the following EXPECT_EQ.
|
| - // Then plug new hash value into EXPECT_EQ statements.
|
| -
|
| - // TODO(fbarchard): Make reference code mimic MMX exactly
|
| -#if USE_MMX
|
| - EXPECT_EQ(379971680u, rgb_hash);
|
| -#else
|
| - EXPECT_EQ(197274901u, rgb_hash);
|
| -#endif
|
| - return; // This is here to allow you to put a break point on this line
|
| -}
|
| -
|
| -TEST(YV16ScaleTest, Basic) {
|
| - // Read YV16 reference data from file.
|
| - FilePath yuv_url;
|
| - EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &yuv_url));
|
| - yuv_url = yuv_url.Append(FILE_PATH_LITERAL("media"))
|
| - .Append(FILE_PATH_LITERAL("test"))
|
| - .Append(FILE_PATH_LITERAL("data"))
|
| - .Append(FILE_PATH_LITERAL("bali.yv16.640_360.yuv"));
|
| - const size_t size_of_yuv = kWidth * kHeight * 16 / 8; // 16 bpp.
|
| - uint8* yuv_bytes = new uint8[size_of_yuv];
|
| - EXPECT_EQ(static_cast<int>(size_of_yuv),
|
| - file_util::ReadFile(yuv_url,
|
| - reinterpret_cast<char*>(yuv_bytes),
|
| - static_cast<int>(size_of_yuv)));
|
| -
|
| - // Scale a frame of YUV to 32 bit ARGB.
|
| - const size_t size_of_rgb_scaled = kScaledWidth * kScaledHeight * kBpp;
|
| - uint8* rgb_scaled_bytes = new uint8[size_of_rgb_scaled];
|
| -
|
| - media::ScaleYV16ToRGB32(yuv_bytes, // Y plane
|
| - yuv_bytes + kWidth * kHeight, // U plane
|
| - yuv_bytes + kWidth * kHeight * 3 / 2, // V plane
|
| - rgb_scaled_bytes, // Rgb output
|
| - kWidth, kHeight, // Dimensions
|
| - kScaledWidth, kScaledHeight, // Dimensions
|
| - kWidth, // YStride
|
| - kWidth / 2, // UvStride
|
| - kScaledWidth * kBpp, // RgbStride
|
| - media::ROTATE_0);
|
| -
|
| - unsigned int rgb_hash = hash(rgb_scaled_bytes, size_of_rgb_scaled);
|
| -
|
| - // To get this hash value, run once and examine the following EXPECT_EQ.
|
| - // Then plug new hash value into EXPECT_EQ statements.
|
| -
|
| - // TODO(fbarchard): Make reference code mimic MMX exactly
|
| -#if USE_MMX
|
| - EXPECT_EQ(2317989539u, rgb_hash);
|
| -#else
|
| - EXPECT_EQ(2946450771u, rgb_hash);
|
| -#endif
|
| - return;
|
| -}
|
| -
|
|
|
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