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comparison: content/media/gtest/TestAudioCompactor.cpp
content/media/gtest/TestAudioCompactor.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:ebf52c80b1e3 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 #include "gtest/gtest.h" | |
| 7 #include "AudioCompactor.h" | |
| 8 #include "MediaDecoderReader.h" | |
| 9 | |
| 10 using mozilla::AudioCompactor; | |
| 11 using mozilla::AudioData; | |
| 12 using mozilla::AudioDataValue; | |
| 13 using mozilla::MediaDecoderReader; | |
| 14 using mozilla::MediaQueue; | |
| 15 | |
| 16 class MemoryFunctor : public nsDequeFunctor { | |
| 17 public: | |
| 18 MemoryFunctor() : mSize(0) {} | |
| 19 MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf); | |
| 20 | |
| 21 virtual void* operator()(void* anObject) { | |
| 22 const AudioData* audioData = static_cast<const AudioData*>(anObject); | |
| 23 mSize += audioData->SizeOfIncludingThis(MallocSizeOf); | |
| 24 return nullptr; | |
| 25 } | |
| 26 | |
| 27 size_t mSize; | |
| 28 }; | |
| 29 | |
| 30 class TestCopy | |
| 31 { | |
| 32 public: | |
| 33 TestCopy(uint32_t aFrames, uint32_t aChannels, | |
| 34 uint32_t &aCallCount, uint32_t &aFrameCount) | |
| 35 : mFrames(aFrames) | |
| 36 , mChannels(aChannels) | |
| 37 , mCallCount(aCallCount) | |
| 38 , mFrameCount(aFrameCount) | |
| 39 { } | |
| 40 | |
| 41 uint32_t operator()(AudioDataValue *aBuffer, uint32_t aSamples) | |
| 42 { | |
| 43 mCallCount += 1; | |
| 44 uint32_t frames = std::min(mFrames - mFrameCount, aSamples / mChannels); | |
| 45 mFrameCount += frames; | |
| 46 return frames; | |
| 47 } | |
| 48 | |
| 49 private: | |
| 50 const uint32_t mFrames; | |
| 51 const uint32_t mChannels; | |
| 52 uint32_t &mCallCount; | |
| 53 uint32_t &mFrameCount; | |
| 54 }; | |
| 55 | |
| 56 static void TestAudioCompactor(size_t aBytes) | |
| 57 { | |
| 58 MediaQueue<AudioData> queue; | |
| 59 AudioCompactor compactor(queue); | |
| 60 | |
| 61 uint64_t offset = 0; | |
| 62 uint64_t time = 0; | |
| 63 uint32_t sampleRate = 44000; | |
| 64 uint32_t channels = 2; | |
| 65 uint32_t frames = aBytes / (channels * sizeof(AudioDataValue)); | |
| 66 size_t maxSlop = aBytes / AudioCompactor::MAX_SLOP_DIVISOR; | |
| 67 | |
| 68 uint32_t callCount = 0; | |
| 69 uint32_t frameCount = 0; | |
| 70 | |
| 71 compactor.Push(offset, time, sampleRate, frames, channels, | |
| 72 TestCopy(frames, channels, callCount, frameCount)); | |
| 73 | |
| 74 EXPECT_GT(callCount, 0U) << "copy functor never called"; | |
| 75 EXPECT_EQ(frames, frameCount) << "incorrect number of frames copied"; | |
| 76 | |
| 77 MemoryFunctor memoryFunc; | |
| 78 queue.LockedForEach(memoryFunc); | |
| 79 size_t allocSize = memoryFunc.mSize - (callCount * sizeof(AudioData)); | |
| 80 size_t slop = allocSize - aBytes; | |
| 81 EXPECT_LE(slop, maxSlop) << "allowed too much allocation slop"; | |
| 82 } | |
| 83 | |
| 84 TEST(Media, AudioCompactor_4000) | |
| 85 { | |
| 86 TestAudioCompactor(4000); | |
| 87 } | |
| 88 | |
| 89 TEST(Media, AudioCompactor_4096) | |
| 90 { | |
| 91 TestAudioCompactor(4096); | |
| 92 } | |
| 93 | |
| 94 TEST(Media, AudioCompactor_5000) | |
| 95 { | |
| 96 TestAudioCompactor(5000); | |
| 97 } | |
| 98 | |
| 99 TEST(Media, AudioCompactor_5256) | |
| 100 { | |
| 101 TestAudioCompactor(5256); | |
| 102 } | |
| 103 | |
| 104 TEST(Media, AudioCompactor_NativeCopy) | |
| 105 { | |
| 106 const uint32_t channels = 2; | |
| 107 const size_t srcBytes = 32; | |
| 108 const uint32_t srcSamples = srcBytes / sizeof(AudioDataValue); | |
| 109 const uint32_t srcFrames = srcSamples / channels; | |
| 110 uint8_t src[srcBytes]; | |
| 111 | |
| 112 for (uint32_t i = 0; i < srcBytes; ++i) { | |
| 113 src[i] = i; | |
| 114 } | |
| 115 | |
| 116 AudioCompactor::NativeCopy copy(src, srcBytes, channels); | |
| 117 | |
| 118 const uint32_t dstSamples = srcSamples * 2; | |
| 119 AudioDataValue dst[dstSamples]; | |
| 120 | |
| 121 const AudioDataValue notCopied = 0xffff; | |
| 122 for (uint32_t i = 0; i < dstSamples; ++i) { | |
| 123 dst[i] = notCopied; | |
| 124 } | |
| 125 | |
| 126 const uint32_t copyCount = 8; | |
| 127 uint32_t copiedFrames = 0; | |
| 128 uint32_t nextSample = 0; | |
| 129 for (uint32_t i = 0; i < copyCount; ++i) { | |
| 130 uint32_t copySamples = dstSamples / copyCount; | |
| 131 copiedFrames += copy(dst + nextSample, copySamples); | |
| 132 nextSample += copySamples; | |
| 133 } | |
| 134 | |
| 135 EXPECT_EQ(srcFrames, copiedFrames) << "copy exact number of source frames"; | |
| 136 | |
| 137 // Verify that the only the correct bytes were copied. | |
| 138 for (uint32_t i = 0; i < dstSamples; ++i) { | |
| 139 if (i < srcSamples) { | |
| 140 EXPECT_NE(notCopied, dst[i]) << "should have copied over these bytes"; | |
| 141 } else { | |
| 142 EXPECT_EQ(notCopied, dst[i]) << "should not have copied over these bytes"; | |
| 143 } | |
| 144 } | |
| 145 } |
