starboard/nplb/media_buffer_test.cc - cobalt - Git at Google

 // Copyright 2018 The Cobalt Authors. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 #include <stdlib.h>
 #include <cmath>
 #include <random>
 #include <vector>

 #include "starboard/media.h"
 #include "starboard/memory.h"
 #include "starboard/nplb/performance_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"

 namespace starboard {
 namespace nplb {
 namespace {

 constexpr int kVideoResolutions[][2] = {
     {kSbMediaVideoResolutionDimensionInvalid,
      kSbMediaVideoResolutionDimensionInvalid},
     {640, 480},
     {1280, 720},
     {1920, 1080},
     {2560, 1440},
     {3840, 2160},
     {7680, 4320},
 };

 constexpr int kBitsPerPixelValues[] = {
     kSbMediaBitsPerPixelInvalid,
     8,
     10,
     12,
 };

 constexpr SbMediaVideoCodec kVideoCodecs[] = {
     kSbMediaVideoCodecNone,

     kSbMediaVideoCodecH264,   kSbMediaVideoCodecH265, kSbMediaVideoCodecMpeg2,
     kSbMediaVideoCodecTheora, kSbMediaVideoCodecVc1,  kSbMediaVideoCodecAv1,
     kSbMediaVideoCodecVp8,    kSbMediaVideoCodecVp9,
 };

 constexpr SbMediaType kMediaTypes[] = {
     kSbMediaTypeAudio,
     kSbMediaTypeVideo,
 };

 // Minimum audio and video budgets required by the 2024 Youtube Hardware
 // Requirements.
 constexpr int kMinAudioBudget = 5 * 1024 * 1024;
 constexpr int kMinVideoBudget1080p = 30 * 1024 * 1024;
 constexpr int kMinVideoBudget4kSdr = 50 * 1024 * 1024;
 constexpr int kMinVideoBudget4kHdr = 80 * 1024 * 1024;
 constexpr int kMinVideoBudget8k = 200 * 1024 * 1024;

 int GetVideoBufferBudget(SbMediaVideoCodec codec,
                          int frame_width,
                          bool is_hdr) {
   if (codec != kSbMediaVideoCodecAv1 && codec != kSbMediaVideoCodecH264 &&
       codec != kSbMediaVideoCodecVp9) {
     return kMinVideoBudget1080p;
   }

   static const bool kSupports8k =
       SbMediaCanPlayMimeAndKeySystem(
           "video/mp4; codecs=\"av01.0.16M.08\"; width=7680; height=4320", "") ==
       kSbMediaSupportTypeProbably;
   static const bool kSupports4kHdr =
       SbMediaCanPlayMimeAndKeySystem(
           "video/webm; codecs=\"vp09.02.51.10.01.09.16.09.00\"; width=3840; "
           "height=2160",
           "") == kSbMediaSupportTypeProbably;
   static const bool kSupports4kSdr =
       SbMediaCanPlayMimeAndKeySystem(
           "video/webm; codecs=\"vp9\"; width=3840; height=2160", "") ==
       kSbMediaSupportTypeProbably;

   int video_budget = kMinVideoBudget1080p;
   if (kSupports8k && frame_width > 3840) {
     video_budget = kMinVideoBudget8k;
   } else if (frame_width > 1920 && frame_width <= 3840) {
     if (kSupports4kHdr && is_hdr) {
       video_budget = kMinVideoBudget4kHdr;
     } else if (kSupports4kSdr && !is_hdr) {
       video_budget = kMinVideoBudget4kSdr;
     }
   }

   return video_budget;
 }

 std::vector<void*> TryToAllocateMemory(int size,
                                        int allocation_unit,
                                        int alignment) {
   int total_allocated = 0;
   std::vector<void*> allocated_ptrs;
   if (allocation_unit != 0) {
     allocated_ptrs.reserve(std::ceil(size / allocation_unit));
   }
   while (total_allocated < size) {
     // When |allocation_unit| == 0, randomly allocate a size between 100k -
     // 500k.
     int allocation_increment = allocation_unit != 0
                                    ? allocation_unit
                                    : (std::rand() % 500 + 100) * 1024;
     void* allocated_memory = NULL;
 #if SB_API_VERSION < 16
     allocated_memory = SbMemoryAllocateAligned(alignment, allocation_increment);
 #else
     posix_memalign(&allocated_memory, alignment, allocation_increment);
 #endif
     EXPECT_NE(allocated_memory, nullptr);
     if (!allocated_memory) {
       return allocated_ptrs;
     }
     allocated_ptrs.push_back(allocated_memory);
     total_allocated += allocation_increment;
   }
   return allocated_ptrs;
 }

 }  // namespace

 TEST(SbMediaBufferTest, VideoCodecs) {
   // Perform a check to determine if new codecs have been added to the
   // enum, but not the array. If the compiler warns about a missing case here,
   // the value must be added to the array and the switch case.
   SbMediaVideoCodec codec = kVideoCodecs[0];
   switch (codec) {
     case kVideoCodecs[0]:
     case kVideoCodecs[1]:
     case kVideoCodecs[2]:
     case kVideoCodecs[3]:
     case kVideoCodecs[4]:
     case kVideoCodecs[5]:
     case kVideoCodecs[6]:
     case kVideoCodecs[7]:
     case kVideoCodecs[8]:
       break;
   }
 }

 TEST(SbMediaBufferTest, MediaTypes) {
   // Perform a check to determine if new types have been added to the
   // enum, but not the array. If the compiler warns about a missing case here,
   // the value must be added to the array and the switch case.
   SbMediaType type = kMediaTypes[0];
   switch (type) {
     case kMediaTypes[0]:
     case kMediaTypes[1]:
       break;
   }
 }

 #if SB_API_VERSION < 16
 TEST(SbMediaBufferTest, Alignment) {
   for (auto type : kMediaTypes) {
 #if SB_API_VERSION >= 14
     // The test will be run more than once, it's redundant but allows us to keep
     // the test logic in one place.
     int alignment = SbMediaGetBufferAlignment();
 #else   // SB_API_VERSION >= 14
     int alignment = SbMediaGetBufferAlignment(type);
 #endif  // SB_API_VERSION >= 14
     EXPECT_GE(alignment, 1);
     EXPECT_EQ(alignment & (alignment - 1), 0)
         << "Alignment must always be a power of 2";
   }
 }
 #endif  // SB_API_VERSION < 16

 TEST(SbMediaBufferTest, AllocationUnit) {
   EXPECT_GE(SbMediaGetBufferAllocationUnit(), 0);

   if (SbMediaGetBufferAllocationUnit() != 0) {
     EXPECT_GE(SbMediaGetBufferAllocationUnit(), 64 * 1024);
   }

   int allocation_unit = SbMediaGetBufferAllocationUnit();
   std::vector<void*> allocated_ptrs;
   int initial_buffer_capacity = SbMediaGetInitialBufferCapacity();
   if (initial_buffer_capacity > 0) {
     allocated_ptrs = TryToAllocateMemory(initial_buffer_capacity,
                                          allocation_unit, sizeof(void*));
   }
 #if SB_API_VERSION < 16
   if (!HasNonfatalFailure()) {
     for (SbMediaType type : kMediaTypes) {
 #if SB_API_VERSION >= 14
       // The test will be run more than once, it's redundant but allows us to
       // keep the test logic in one place.
       int alignment = SbMediaGetBufferAlignment();
 #else   // SB_API_VERSION >= 14
       int alignment = SbMediaGetBufferAlignment(type);
 #endif  // SB_API_VERSION >= 14
       SB_LOG(INFO) << "alignment=" << alignment;
       EXPECT_EQ(alignment & (alignment - 1), 0)
           << "Alignment must always be a power of 2";
       if (HasNonfatalFailure()) {
         break;
       }
       int media_budget = type == SbMediaType::kSbMediaTypeAudio
                              ? kMinAudioBudget
                              : kMinVideoBudget1080p;
       std::vector<void*> media_buffer_allocated_memory =
           TryToAllocateMemory(media_budget, allocation_unit, alignment);
       allocated_ptrs.insert(allocated_ptrs.end(),
                             media_buffer_allocated_memory.begin(),
                             media_buffer_allocated_memory.end());
       if (HasNonfatalFailure()) {
         break;
       }
     }
   }
 #endif  // SB_API_VERSION < 16

   for (void* ptr : allocated_ptrs) {
     free(ptr);
   }
 }

 TEST(SbMediaBufferTest, AudioBudget) {
   EXPECT_GE(SbMediaGetAudioBufferBudget(), kMinAudioBudget);
 }

 TEST(SbMediaBufferTest, GarbageCollectionDurationThreshold) {
   int kMinGarbageCollectionDurationThreshold = 30 * kSbTimeSecond;
   int kMaxGarbageCollectionDurationThreshold = 240 * kSbTimeSecond;
   int threshold = SbMediaGetBufferGarbageCollectionDurationThreshold();
   EXPECT_GE(threshold, kMinGarbageCollectionDurationThreshold);
   EXPECT_LE(threshold, kMaxGarbageCollectionDurationThreshold);
 }

 TEST(SbMediaBufferTest, InitialCapacity) {
   EXPECT_GE(SbMediaGetInitialBufferCapacity(), 0);
 }

 TEST(SbMediaBufferTest, MaxCapacity) {
   // TODO: Limit EXPECT statements to only codecs and resolutions that are
   // supported by the platform. If unsupported, still call
   // SbMediaGetMaxBufferCapacity() to ensure there isn't a crash.
   for (auto resolution : kVideoResolutions) {
     for (auto bits_per_pixel : kBitsPerPixelValues) {
       for (auto codec : kVideoCodecs) {
         EXPECT_GT(SbMediaGetMaxBufferCapacity(codec, resolution[0],
                                               resolution[1], bits_per_pixel),
                   0);
         EXPECT_GE(SbMediaGetMaxBufferCapacity(codec, resolution[0],
                                               resolution[1], bits_per_pixel),
                   SbMediaGetInitialBufferCapacity());
       }
     }
   }
 }

 TEST(SbMediaBufferTest, Padding) {
 #if SB_API_VERSION >= 14
   EXPECT_GE(SbMediaGetBufferPadding(), 0);
 #else   // SB_API_VERSION >= 14
   for (auto type : kMediaTypes) {
     EXPECT_GE(SbMediaGetBufferPadding(type), 0);
   }
 #endif  // SB_API_VERSION >= 14
 }

 TEST(SbMediaBufferTest, PoolAllocateOnDemand) {
   // Just don't crash.
   SbMediaIsBufferPoolAllocateOnDemand();
 }

 TEST(SbMediaBufferTest, ProgressiveBudget) {
   const int kMinProgressiveBudget = 8 * 1024 * 1024;
   int audio_budget = SbMediaGetAudioBufferBudget();
   for (auto video_codec : kVideoCodecs) {
     for (auto bits_per_pixel : kBitsPerPixelValues) {
       int video_budget_1080p =
           SbMediaGetVideoBufferBudget(video_codec, 1920, 1080, bits_per_pixel);
       for (auto resolution : kVideoResolutions) {
         int progressive_budget = SbMediaGetProgressiveBufferBudget(
             video_codec, resolution[0], resolution[1], bits_per_pixel);
         EXPECT_LT(progressive_budget, video_budget_1080p + audio_budget)
             << "Progressive budget must be less than sum of 1080p video "
                "budget and audio budget";
         EXPECT_GE(progressive_budget, kMinProgressiveBudget);
       }
     }
   }
 }

 TEST(SbMediaBufferTest, StorageType) {
   // Just don't crash.
   SbMediaBufferStorageType type = SbMediaGetBufferStorageType();
   switch (type) {
     case kSbMediaBufferStorageTypeMemory:
     case kSbMediaBufferStorageTypeFile:
       return;
   }
   SB_NOTREACHED();
 }

 TEST(SbMediaBufferTest, UsingMemoryPool) {
   // Just don't crash.
   SbMediaIsBufferUsingMemoryPool();
 }

 TEST(SbMediaBufferTest, VideoBudget) {
   for (auto codec : kVideoCodecs) {
     for (auto resolution : kVideoResolutions) {
       for (auto bits_per_pixel : kBitsPerPixelValues) {
         int video_budget =
             GetVideoBufferBudget(codec, resolution[0], bits_per_pixel > 8);
         EXPECT_GE(SbMediaGetVideoBufferBudget(codec, resolution[0],
                                               resolution[1], bits_per_pixel),
                   video_budget);
       }
     }
   }
 }

 TEST(SbMediaBufferTest, ValidatePerformance) {
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferAllocationUnit);
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetAudioBufferBudget);
   TEST_PERF_FUNCNOARGS_DEFAULT(
       SbMediaGetBufferGarbageCollectionDurationThreshold);
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetInitialBufferCapacity);
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaIsBufferPoolAllocateOnDemand);
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferStorageType);
   TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaIsBufferUsingMemoryPool);

 #if SB_API_VERSION < 16
 #if SB_API_VERSION >= 14
   for (auto type : kMediaTypes) {
     TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferAlignment);
     TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferPadding);
   }
 #else   // SB_API_VERSION >= 14
   for (auto type : kMediaTypes) {
     TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetBufferAlignment, type);
     TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetBufferPadding, type);
   }
 #endif  // SB_API_VERSION >= 14
 #endif  // SB_API_VERSION < 16

   for (auto resolution : kVideoResolutions) {
     for (auto bits_per_pixel : kBitsPerPixelValues) {
       for (auto codec : kVideoCodecs) {
         TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetMaxBufferCapacity, codec,
                                        resolution[0], resolution[1],
                                        bits_per_pixel);
         TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetProgressiveBufferBudget, codec,
                                        resolution[0], resolution[1],
                                        bits_per_pixel);
         TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetVideoBufferBudget, codec,
                                        resolution[0], resolution[1],
                                        bits_per_pixel);
       }
     }
   }
 }

 }  // namespace nplb
 }  // namespace starboard
	// Copyright 2018 The Cobalt Authors. All Rights Reserved.
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	#include <stdlib.h>
	#include <cmath>
	#include <random>
	#include <vector>

	#include "starboard/media.h"
	#include "starboard/memory.h"
	#include "starboard/nplb/performance_helpers.h"
	#include "testing/gtest/include/gtest/gtest.h"

	namespace starboard {
	namespace nplb {
	namespace {

	constexpr int kVideoResolutions[][2] = {
	{kSbMediaVideoResolutionDimensionInvalid,
	kSbMediaVideoResolutionDimensionInvalid},
	{640, 480},
	{1280, 720},
	{1920, 1080},
	{2560, 1440},
	{3840, 2160},
	{7680, 4320},
	};

	constexpr int kBitsPerPixelValues[] = {
	kSbMediaBitsPerPixelInvalid,
	8,
	10,
	12,
	};

	constexpr SbMediaVideoCodec kVideoCodecs[] = {
	kSbMediaVideoCodecNone,

	kSbMediaVideoCodecH264, kSbMediaVideoCodecH265, kSbMediaVideoCodecMpeg2,
	kSbMediaVideoCodecTheora, kSbMediaVideoCodecVc1, kSbMediaVideoCodecAv1,
	kSbMediaVideoCodecVp8, kSbMediaVideoCodecVp9,
	};

	constexpr SbMediaType kMediaTypes[] = {
	kSbMediaTypeAudio,
	kSbMediaTypeVideo,
	};

	// Minimum audio and video budgets required by the 2024 Youtube Hardware
	// Requirements.
	constexpr int kMinAudioBudget = 5 * 1024 * 1024;
	constexpr int kMinVideoBudget1080p = 30 * 1024 * 1024;
	constexpr int kMinVideoBudget4kSdr = 50 * 1024 * 1024;
	constexpr int kMinVideoBudget4kHdr = 80 * 1024 * 1024;
	constexpr int kMinVideoBudget8k = 200 * 1024 * 1024;

	int GetVideoBufferBudget(SbMediaVideoCodec codec,
	int frame_width,
	bool is_hdr) {
	if (codec != kSbMediaVideoCodecAv1 && codec != kSbMediaVideoCodecH264 &&
	codec != kSbMediaVideoCodecVp9) {
	return kMinVideoBudget1080p;
	}

	static const bool kSupports8k =
	SbMediaCanPlayMimeAndKeySystem(
	"video/mp4; codecs=\"av01.0.16M.08\"; width=7680; height=4320", "") ==
	kSbMediaSupportTypeProbably;
	static const bool kSupports4kHdr =
	SbMediaCanPlayMimeAndKeySystem(
	"video/webm; codecs=\"vp09.02.51.10.01.09.16.09.00\"; width=3840; "
	"height=2160",
	"") == kSbMediaSupportTypeProbably;
	static const bool kSupports4kSdr =
	SbMediaCanPlayMimeAndKeySystem(
	"video/webm; codecs=\"vp9\"; width=3840; height=2160", "") ==
	kSbMediaSupportTypeProbably;

	int video_budget = kMinVideoBudget1080p;
	if (kSupports8k && frame_width > 3840) {
	video_budget = kMinVideoBudget8k;
	} else if (frame_width > 1920 && frame_width <= 3840) {
	if (kSupports4kHdr && is_hdr) {
	video_budget = kMinVideoBudget4kHdr;
	} else if (kSupports4kSdr && !is_hdr) {
	video_budget = kMinVideoBudget4kSdr;
	}
	}

	return video_budget;
	}

	std::vector<void*> TryToAllocateMemory(int size,
	int allocation_unit,
	int alignment) {
	int total_allocated = 0;
	std::vector<void*> allocated_ptrs;
	if (allocation_unit != 0) {
	allocated_ptrs.reserve(std::ceil(size / allocation_unit));
	}
	while (total_allocated < size) {
	// When \|allocation_unit\| == 0, randomly allocate a size between 100k -
	// 500k.
	int allocation_increment = allocation_unit != 0
	? allocation_unit
	: (std::rand() % 500 + 100) * 1024;
	void* allocated_memory = NULL;
	#if SB_API_VERSION < 16
	allocated_memory = SbMemoryAllocateAligned(alignment, allocation_increment);
	#else
	posix_memalign(&allocated_memory, alignment, allocation_increment);
	#endif
	EXPECT_NE(allocated_memory, nullptr);
	if (!allocated_memory) {
	return allocated_ptrs;
	}
	allocated_ptrs.push_back(allocated_memory);
	total_allocated += allocation_increment;
	}
	return allocated_ptrs;
	}

	} // namespace

	TEST(SbMediaBufferTest, VideoCodecs) {
	// Perform a check to determine if new codecs have been added to the
	// enum, but not the array. If the compiler warns about a missing case here,
	// the value must be added to the array and the switch case.
	SbMediaVideoCodec codec = kVideoCodecs[0];
	switch (codec) {
	case kVideoCodecs[0]:
	case kVideoCodecs[1]:
	case kVideoCodecs[2]:
	case kVideoCodecs[3]:
	case kVideoCodecs[4]:
	case kVideoCodecs[5]:
	case kVideoCodecs[6]:
	case kVideoCodecs[7]:
	case kVideoCodecs[8]:
	break;
	}
	}

	TEST(SbMediaBufferTest, MediaTypes) {
	// Perform a check to determine if new types have been added to the
	// enum, but not the array. If the compiler warns about a missing case here,
	// the value must be added to the array and the switch case.
	SbMediaType type = kMediaTypes[0];
	switch (type) {
	case kMediaTypes[0]:
	case kMediaTypes[1]:
	break;
	}
	}

	#if SB_API_VERSION < 16
	TEST(SbMediaBufferTest, Alignment) {
	for (auto type : kMediaTypes) {
	#if SB_API_VERSION >= 14
	// The test will be run more than once, it's redundant but allows us to keep
	// the test logic in one place.
	int alignment = SbMediaGetBufferAlignment();
	#else // SB_API_VERSION >= 14
	int alignment = SbMediaGetBufferAlignment(type);
	#endif // SB_API_VERSION >= 14
	EXPECT_GE(alignment, 1);
	EXPECT_EQ(alignment & (alignment - 1), 0)
	<< "Alignment must always be a power of 2";
	}
	}
	#endif // SB_API_VERSION < 16

	TEST(SbMediaBufferTest, AllocationUnit) {
	EXPECT_GE(SbMediaGetBufferAllocationUnit(), 0);

	if (SbMediaGetBufferAllocationUnit() != 0) {
	EXPECT_GE(SbMediaGetBufferAllocationUnit(), 64 * 1024);
	}

	int allocation_unit = SbMediaGetBufferAllocationUnit();
	std::vector<void*> allocated_ptrs;
	int initial_buffer_capacity = SbMediaGetInitialBufferCapacity();
	if (initial_buffer_capacity > 0) {
	allocated_ptrs = TryToAllocateMemory(initial_buffer_capacity,
	allocation_unit, sizeof(void*));
	}
	#if SB_API_VERSION < 16
	if (!HasNonfatalFailure()) {
	for (SbMediaType type : kMediaTypes) {
	#if SB_API_VERSION >= 14
	// The test will be run more than once, it's redundant but allows us to
	// keep the test logic in one place.
	int alignment = SbMediaGetBufferAlignment();
	#else // SB_API_VERSION >= 14
	int alignment = SbMediaGetBufferAlignment(type);
	#endif // SB_API_VERSION >= 14
	SB_LOG(INFO) << "alignment=" << alignment;
	EXPECT_EQ(alignment & (alignment - 1), 0)
	<< "Alignment must always be a power of 2";
	if (HasNonfatalFailure()) {
	break;
	}
	int media_budget = type == SbMediaType::kSbMediaTypeAudio
	? kMinAudioBudget
	: kMinVideoBudget1080p;
	std::vector<void*> media_buffer_allocated_memory =
	TryToAllocateMemory(media_budget, allocation_unit, alignment);
	allocated_ptrs.insert(allocated_ptrs.end(),
	media_buffer_allocated_memory.begin(),
	media_buffer_allocated_memory.end());
	if (HasNonfatalFailure()) {
	break;
	}
	}
	}
	#endif // SB_API_VERSION < 16

	for (void* ptr : allocated_ptrs) {
	free(ptr);
	}
	}

	TEST(SbMediaBufferTest, AudioBudget) {
	EXPECT_GE(SbMediaGetAudioBufferBudget(), kMinAudioBudget);
	}

	TEST(SbMediaBufferTest, GarbageCollectionDurationThreshold) {
	int kMinGarbageCollectionDurationThreshold = 30 * kSbTimeSecond;
	int kMaxGarbageCollectionDurationThreshold = 240 * kSbTimeSecond;
	int threshold = SbMediaGetBufferGarbageCollectionDurationThreshold();
	EXPECT_GE(threshold, kMinGarbageCollectionDurationThreshold);
	EXPECT_LE(threshold, kMaxGarbageCollectionDurationThreshold);
	}

	TEST(SbMediaBufferTest, InitialCapacity) {
	EXPECT_GE(SbMediaGetInitialBufferCapacity(), 0);
	}

	TEST(SbMediaBufferTest, MaxCapacity) {
	// TODO: Limit EXPECT statements to only codecs and resolutions that are
	// supported by the platform. If unsupported, still call
	// SbMediaGetMaxBufferCapacity() to ensure there isn't a crash.
	for (auto resolution : kVideoResolutions) {
	for (auto bits_per_pixel : kBitsPerPixelValues) {
	for (auto codec : kVideoCodecs) {
	EXPECT_GT(SbMediaGetMaxBufferCapacity(codec, resolution[0],
	resolution[1], bits_per_pixel),
	0);
	EXPECT_GE(SbMediaGetMaxBufferCapacity(codec, resolution[0],
	resolution[1], bits_per_pixel),
	SbMediaGetInitialBufferCapacity());
	}
	}
	}
	}

	TEST(SbMediaBufferTest, Padding) {
	#if SB_API_VERSION >= 14
	EXPECT_GE(SbMediaGetBufferPadding(), 0);
	#else // SB_API_VERSION >= 14
	for (auto type : kMediaTypes) {
	EXPECT_GE(SbMediaGetBufferPadding(type), 0);
	}
	#endif // SB_API_VERSION >= 14
	}

	TEST(SbMediaBufferTest, PoolAllocateOnDemand) {
	// Just don't crash.
	SbMediaIsBufferPoolAllocateOnDemand();
	}

	TEST(SbMediaBufferTest, ProgressiveBudget) {
	const int kMinProgressiveBudget = 8 * 1024 * 1024;
	int audio_budget = SbMediaGetAudioBufferBudget();
	for (auto video_codec : kVideoCodecs) {
	for (auto bits_per_pixel : kBitsPerPixelValues) {
	int video_budget_1080p =
	SbMediaGetVideoBufferBudget(video_codec, 1920, 1080, bits_per_pixel);
	for (auto resolution : kVideoResolutions) {
	int progressive_budget = SbMediaGetProgressiveBufferBudget(
	video_codec, resolution[0], resolution[1], bits_per_pixel);
	EXPECT_LT(progressive_budget, video_budget_1080p + audio_budget)
	<< "Progressive budget must be less than sum of 1080p video "
	"budget and audio budget";
	EXPECT_GE(progressive_budget, kMinProgressiveBudget);
	}
	}
	}
	}

	TEST(SbMediaBufferTest, StorageType) {
	// Just don't crash.
	SbMediaBufferStorageType type = SbMediaGetBufferStorageType();
	switch (type) {
	case kSbMediaBufferStorageTypeMemory:
	case kSbMediaBufferStorageTypeFile:
	return;
	}
	SB_NOTREACHED();
	}

	TEST(SbMediaBufferTest, UsingMemoryPool) {
	// Just don't crash.
	SbMediaIsBufferUsingMemoryPool();
	}

	TEST(SbMediaBufferTest, VideoBudget) {
	for (auto codec : kVideoCodecs) {
	for (auto resolution : kVideoResolutions) {
	for (auto bits_per_pixel : kBitsPerPixelValues) {
	int video_budget =
	GetVideoBufferBudget(codec, resolution[0], bits_per_pixel > 8);
	EXPECT_GE(SbMediaGetVideoBufferBudget(codec, resolution[0],
	resolution[1], bits_per_pixel),
	video_budget);
	}
	}
	}
	}

	TEST(SbMediaBufferTest, ValidatePerformance) {
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferAllocationUnit);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetAudioBufferBudget);
	TEST_PERF_FUNCNOARGS_DEFAULT(
	SbMediaGetBufferGarbageCollectionDurationThreshold);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetInitialBufferCapacity);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaIsBufferPoolAllocateOnDemand);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferStorageType);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaIsBufferUsingMemoryPool);

	#if SB_API_VERSION < 16
	#if SB_API_VERSION >= 14
	for (auto type : kMediaTypes) {
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferAlignment);
	TEST_PERF_FUNCNOARGS_DEFAULT(SbMediaGetBufferPadding);
	}
	#else // SB_API_VERSION >= 14
	for (auto type : kMediaTypes) {
	TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetBufferAlignment, type);
	TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetBufferPadding, type);
	}
	#endif // SB_API_VERSION >= 14
	#endif // SB_API_VERSION < 16

	for (auto resolution : kVideoResolutions) {
	for (auto bits_per_pixel : kBitsPerPixelValues) {
	for (auto codec : kVideoCodecs) {
	TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetMaxBufferCapacity, codec,
	resolution[0], resolution[1],
	bits_per_pixel);
	TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetProgressiveBufferBudget, codec,
	resolution[0], resolution[1],
	bits_per_pixel);
	TEST_PERF_FUNCWITHARGS_DEFAULT(SbMediaGetVideoBufferBudget, codec,
	resolution[0], resolution[1],
	bits_per_pixel);
	}
	}
	}
	}

	} // namespace nplb
	} // namespace starboard