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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 "gtest/gtest.h"
#include "OggWriter.h"
#include "OpusTrackEncoder.h"
using namespace mozilla;
// Writing multiple 4kB-pages should return all of them on getting.
TEST(TestOggWriter, MultiPageInput)
{
auto opusMeta = MakeRefPtr<OpusMetadata>();
opusMeta->mChannels = 1;
opusMeta->mSamplingFrequency = 48000;
opusMeta->mIdHeader.AppendElement(1);
opusMeta->mCommentHeader.AppendElement(1);
AutoTArray<RefPtr<TrackMetadataBase>, 1> metadata;
metadata.AppendElement(std::move(opusMeta));
OggWriter ogg;
MOZ_ALWAYS_SUCCEEDS(ogg.SetMetadata(metadata));
{
nsTArray<nsTArray<uint8_t>> buffer;
MOZ_ALWAYS_SUCCEEDS(
ogg.GetContainerData(&buffer, ContainerWriter::GET_HEADER));
}
size_t inputBytes = 0;
auto frameData = MakeRefPtr<EncodedFrame::FrameData>();
frameData->SetLength(320); // 320B per 20ms == 128kbps
PodZero(frameData->Elements(), frameData->Length());
// 50 frames at 320B = 16kB = 4 4kB-pages
for (int i = 0; i < 50; ++i) {
auto frame = MakeRefPtr<EncodedFrame>(
media::TimeUnit::FromMicroseconds(20 * USECS_PER_MS * i),
48000 / 1000 * 20 /* 20ms */, 48000, EncodedFrame::OPUS_AUDIO_FRAME,
frameData);
AutoTArray<RefPtr<EncodedFrame>, 1> frames;
frames.AppendElement(std::move(frame));
uint32_t flags = 0;
if (i == 49) {
flags |= ContainerWriter::END_OF_STREAM;
}
MOZ_ALWAYS_SUCCEEDS(ogg.WriteEncodedTrack(frames, flags));
inputBytes += frameData->Length();
}
nsTArray<nsTArray<uint8_t>> buffer;
MOZ_ALWAYS_SUCCEEDS(
ogg.GetContainerData(&buffer, ContainerWriter::FLUSH_NEEDED));
size_t outputBytes = 0;
for (const auto& b : buffer) {
outputBytes += b.Length();
}
EXPECT_EQ(inputBytes, 16000U);
EXPECT_EQ(outputBytes, 16208U);
}
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