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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <vector>
#include "ContainerWriter.h"
#include "EncodedFrame.h"
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "Muxer.h"
#include "OpusTrackEncoder.h"
#include "WebMWriter.h"
using namespace mozilla;
using media::TimeUnit;
using testing::_;
using testing::ElementsAre;
using testing::Return;
using testing::StaticAssertTypeEq;
static RefPtr<TrackMetadataBase> CreateOpusMetadata(int32_t aChannels,
float aSamplingFrequency,
size_t aIdHeaderSize,
size_t aCommentHeaderSize) {
auto opusMetadata = MakeRefPtr<OpusMetadata>();
opusMetadata->mChannels = aChannels;
opusMetadata->mSamplingFrequency = aSamplingFrequency;
opusMetadata->mIdHeader.SetLength(aIdHeaderSize);
for (size_t i = 0; i < opusMetadata->mIdHeader.Length(); i++) {
opusMetadata->mIdHeader[i] = 0;
}
opusMetadata->mCommentHeader.SetLength(aCommentHeaderSize);
for (size_t i = 0; i < opusMetadata->mCommentHeader.Length(); i++) {
opusMetadata->mCommentHeader[i] = 0;
}
return opusMetadata;
}
static RefPtr<TrackMetadataBase> CreateVP8Metadata(int32_t aWidth,
int32_t aHeight) {
auto vp8Metadata = MakeRefPtr<VP8Metadata>();
vp8Metadata->mWidth = aWidth;
vp8Metadata->mDisplayWidth = aWidth;
vp8Metadata->mHeight = aHeight;
vp8Metadata->mDisplayHeight = aHeight;
return vp8Metadata;
}
static RefPtr<EncodedFrame> CreateFrame(EncodedFrame::FrameType aType,
const TimeUnit& aTime,
const TimeUnit& aDuration,
size_t aDataSize) {
auto data = MakeRefPtr<EncodedFrame::FrameData>();
data->SetLength(aDataSize);
if (aType == EncodedFrame::OPUS_AUDIO_FRAME) {
// Opus duration is in samples, so figure out how many samples will put us
// closest to aDurationUs without going over.
return MakeRefPtr<EncodedFrame>(aTime,
TimeUnitToFrames(aDuration, 48000).value(),
48000, aType, std::move(data));
}
return MakeRefPtr<EncodedFrame>(
aTime, TimeUnitToFrames(aDuration, USECS_PER_S).value(), USECS_PER_S,
aType, std::move(data));
}
class MockContainerWriter : public ContainerWriter {
public:
MOCK_METHOD2(WriteEncodedTrack,
nsresult(const nsTArray<RefPtr<EncodedFrame>>&, uint32_t));
MOCK_METHOD1(SetMetadata,
nsresult(const nsTArray<RefPtr<TrackMetadataBase>>&));
MOCK_METHOD0(IsWritingComplete, bool());
MOCK_METHOD2(GetContainerData,
nsresult(nsTArray<nsTArray<uint8_t>>*, uint32_t));
};
TEST(MuxerTest, AudioOnly)
{
MediaQueue<EncodedFrame> audioQueue;
MediaQueue<EncodedFrame> videoQueue;
videoQueue.Finish();
MockContainerWriter* writer = new MockContainerWriter();
Muxer muxer(WrapUnique<ContainerWriter>(writer), audioQueue, videoQueue);
// Prepare data
auto opusMeta = CreateOpusMetadata(1, 48000, 16, 16);
auto audioFrame =
CreateFrame(EncodedFrame::OPUS_AUDIO_FRAME, TimeUnit::FromSeconds(0),
TimeUnit::FromSeconds(0.2), 4096);
// Expectations
EXPECT_CALL(*writer, SetMetadata(ElementsAre(opusMeta)))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, WriteEncodedTrack(ElementsAre(audioFrame),
ContainerWriter::END_OF_STREAM))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::GET_HEADER))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::FLUSH_NEEDED))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, IsWritingComplete()).Times(0);
// Test
EXPECT_EQ(muxer.SetMetadata(nsTArray<RefPtr<TrackMetadataBase>>({opusMeta})),
NS_OK);
audioQueue.Push(audioFrame);
audioQueue.Finish();
nsTArray<nsTArray<uint8_t>> buffers;
EXPECT_EQ(muxer.GetData(&buffers), NS_OK);
}
TEST(MuxerTest, AudioVideo)
{
MediaQueue<EncodedFrame> audioQueue;
MediaQueue<EncodedFrame> videoQueue;
MockContainerWriter* writer = new MockContainerWriter();
Muxer muxer(WrapUnique<ContainerWriter>(writer), audioQueue, videoQueue);
// Prepare data
auto opusMeta = CreateOpusMetadata(1, 48000, 16, 16);
auto vp8Meta = CreateVP8Metadata(640, 480);
auto audioFrame =
CreateFrame(EncodedFrame::OPUS_AUDIO_FRAME, TimeUnit::FromSeconds(0),
TimeUnit::FromSeconds(0.2), 4096);
auto videoFrame =
CreateFrame(EncodedFrame::VP8_I_FRAME, TimeUnit::FromSeconds(0),
TimeUnit::FromSeconds(0.05), 65536);
// Expectations
EXPECT_CALL(*writer, SetMetadata(ElementsAre(opusMeta, vp8Meta)))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, WriteEncodedTrack(ElementsAre(videoFrame, audioFrame),
ContainerWriter::END_OF_STREAM))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::GET_HEADER))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::FLUSH_NEEDED))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, IsWritingComplete()).Times(0);
// Test
EXPECT_EQ(muxer.SetMetadata(
nsTArray<RefPtr<TrackMetadataBase>>({opusMeta, vp8Meta})),
NS_OK);
audioQueue.Push(audioFrame);
audioQueue.Finish();
videoQueue.Push(videoFrame);
videoQueue.Finish();
nsTArray<nsTArray<uint8_t>> buffers;
EXPECT_EQ(muxer.GetData(&buffers), NS_OK);
}
TEST(MuxerTest, AudioVideoOutOfOrder)
{
MediaQueue<EncodedFrame> audioQueue;
MediaQueue<EncodedFrame> videoQueue;
MockContainerWriter* writer = new MockContainerWriter();
Muxer muxer(WrapUnique<ContainerWriter>(writer), audioQueue, videoQueue);
// Prepare data
auto opusMeta = CreateOpusMetadata(1, 48000, 16, 16);
auto vp8Meta = CreateVP8Metadata(640, 480);
auto a0 =
CreateFrame(EncodedFrame::OPUS_AUDIO_FRAME, TimeUnit::FromMicroseconds(0),
TimeUnit::FromMicroseconds(48), 4096);
auto v0 =
CreateFrame(EncodedFrame::VP8_I_FRAME, TimeUnit::FromMicroseconds(0),
TimeUnit::FromMicroseconds(50), 65536);
auto a48 = CreateFrame(EncodedFrame::OPUS_AUDIO_FRAME,
TimeUnit::FromMicroseconds(48),
TimeUnit::FromMicroseconds(48), 4096);
auto v50 =
CreateFrame(EncodedFrame::VP8_I_FRAME, TimeUnit::FromMicroseconds(50),
TimeUnit::FromMicroseconds(50), 65536);
// Expectations
EXPECT_CALL(*writer, SetMetadata(ElementsAre(opusMeta, vp8Meta)))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, WriteEncodedTrack(ElementsAre(v0, a0, a48, v50),
ContainerWriter::END_OF_STREAM))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::GET_HEADER))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, GetContainerData(_, ContainerWriter::FLUSH_NEEDED))
.WillOnce(Return(NS_OK));
EXPECT_CALL(*writer, IsWritingComplete()).Times(0);
// Test
EXPECT_EQ(muxer.SetMetadata(
nsTArray<RefPtr<TrackMetadataBase>>({opusMeta, vp8Meta})),
NS_OK);
audioQueue.Push(a0);
videoQueue.Push(v0);
videoQueue.Push(v50);
videoQueue.Finish();
audioQueue.Push(a48);
audioQueue.Finish();
nsTArray<nsTArray<uint8_t>> buffers;
EXPECT_EQ(muxer.GetData(&buffers), NS_OK);
}
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