382 lines
15 KiB
C++
382 lines
15 KiB
C++
/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "FrameReassembler.h"
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#include <gtest/gtest.h>
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#include <C2PlatformSupport.h>
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#include <media/stagefright/foundation/ABuffer.h>
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#include <media/stagefright/foundation/AMessage.h>
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namespace android {
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static size_t BytesPerSample(C2Config::pcm_encoding_t encoding) {
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return encoding == PCM_8 ? 1
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: encoding == PCM_16 ? 2
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: encoding == PCM_FLOAT ? 4 : 0;
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}
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static uint64_t Diff(c2_cntr64_t a, c2_cntr64_t b) {
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return std::abs((a - b).peek());
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}
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class FrameReassemblerTest : public ::testing::Test {
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public:
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static const C2MemoryUsage kUsage;
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static constexpr uint64_t kTimestampToleranceUs = 100;
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FrameReassemblerTest() {
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mInitStatus = GetCodec2BlockPool(C2BlockPool::BASIC_LINEAR, nullptr, &mPool);
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}
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status_t initStatus() const { return mInitStatus; }
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void testPushSameSize(
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size_t encoderFrameSize,
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size_t sampleRate,
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size_t channelCount,
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C2Config::pcm_encoding_t encoding,
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size_t inputFrameSizeInBytes,
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size_t count,
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size_t expectedOutputSize,
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bool separateEos) {
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FrameReassembler frameReassembler;
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frameReassembler.init(
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mPool,
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kUsage,
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encoderFrameSize,
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sampleRate,
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channelCount,
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encoding);
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ASSERT_TRUE(frameReassembler) << "FrameReassembler init failed";
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size_t inputIndex = 0, outputIndex = 0;
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size_t expectCount = 0;
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for (size_t i = 0; i < count + (separateEos ? 1 : 0); ++i) {
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sp<MediaCodecBuffer> buffer = new MediaCodecBuffer(
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new AMessage, new ABuffer(inputFrameSizeInBytes));
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buffer->setRange(0, inputFrameSizeInBytes);
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buffer->meta()->setInt64(
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"timeUs",
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inputIndex * 1000000 / sampleRate / channelCount / BytesPerSample(encoding));
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if (i == count - 1) {
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buffer->meta()->setInt32("eos", 1);
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}
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if (i == count && separateEos) {
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buffer->setRange(0, 0);
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} else {
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for (size_t j = 0; j < inputFrameSizeInBytes; ++j, ++inputIndex) {
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buffer->base()[j] = (inputIndex & 0xFF);
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}
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}
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std::list<std::unique_ptr<C2Work>> items;
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ASSERT_EQ(C2_OK, frameReassembler.process(buffer, &items));
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while (!items.empty()) {
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std::unique_ptr<C2Work> work = std::move(*items.begin());
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items.erase(items.begin());
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// Verify timestamp
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uint64_t expectedTimeUs =
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outputIndex * 1000000 / sampleRate / channelCount / BytesPerSample(encoding);
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EXPECT_GE(
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kTimestampToleranceUs,
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Diff(expectedTimeUs, work->input.ordinal.timestamp))
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<< "expected timestamp: " << expectedTimeUs
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<< " actual timestamp: " << work->input.ordinal.timestamp.peeku()
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<< " output index: " << outputIndex;
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// Verify buffer
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ASSERT_EQ(1u, work->input.buffers.size());
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std::shared_ptr<C2Buffer> buffer = work->input.buffers.front();
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ASSERT_EQ(C2BufferData::LINEAR, buffer->data().type());
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ASSERT_EQ(1u, buffer->data().linearBlocks().size());
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C2ReadView view = buffer->data().linearBlocks().front().map().get();
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ASSERT_EQ(C2_OK, view.error());
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ASSERT_EQ(encoderFrameSize * BytesPerSample(encoding), view.capacity());
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for (size_t j = 0; j < view.capacity(); ++j, ++outputIndex) {
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ASSERT_TRUE(outputIndex < inputIndex
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|| inputIndex == inputFrameSizeInBytes * count)
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<< "inputIndex = " << inputIndex << " outputIndex = " << outputIndex;
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uint8_t expected = outputIndex < inputIndex ? (outputIndex & 0xFF) : 0;
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if (expectCount < 10) {
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++expectCount;
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EXPECT_EQ(expected, view.data()[j]) << "output index = " << outputIndex;
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}
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}
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}
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}
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ASSERT_EQ(inputFrameSizeInBytes * count, inputIndex);
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size_t encoderFrameSizeInBytes =
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encoderFrameSize * channelCount * BytesPerSample(encoding);
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ASSERT_EQ(0, outputIndex % encoderFrameSizeInBytes)
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<< "output size must be multiple of frame size: output size = " << outputIndex
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<< " frame size = " << encoderFrameSizeInBytes;
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ASSERT_EQ(expectedOutputSize, outputIndex)
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<< "output size must be smallest multiple of frame size, "
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<< "equal to or larger than input size. output size = " << outputIndex
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<< " input size = " << inputIndex << " frame size = " << encoderFrameSizeInBytes;
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}
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private:
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status_t mInitStatus;
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std::shared_ptr<C2BlockPool> mPool;
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};
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const C2MemoryUsage FrameReassemblerTest::kUsage{C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE};
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// Push frames with exactly the same size as the encoder requested.
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TEST_F(FrameReassemblerTest, PushExactFrameSize) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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1024 /* input frame size in bytes = 1024 samples * 1 channel * 1 bytes/sample */,
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10 /* count */,
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10240 /* expected output size = 10 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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2048 /* input frame size in bytes = 1024 samples * 1 channel * 2 bytes/sample */,
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10 /* count */,
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20480 /* expected output size = 10 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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4096 /* input frame size in bytes = 1024 samples * 1 channel * 4 bytes/sample */,
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10 /* count */,
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40960 /* expected output size = 10 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push frames with half the size that the encoder requested.
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TEST_F(FrameReassemblerTest, PushHalfFrameSize) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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512 /* input frame size in bytes = 512 samples * 1 channel * 1 bytes/sample */,
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10 /* count */,
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5120 /* expected output size = 5 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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1024 /* input frame size in bytes = 512 samples * 1 channel * 2 bytes/sample */,
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10 /* count */,
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10240 /* expected output size = 5 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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2048 /* input frame size in bytes = 512 samples * 1 channel * 4 bytes/sample */,
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10 /* count */,
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20480 /* expected output size = 5 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push frames with twice the size that the encoder requested.
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TEST_F(FrameReassemblerTest, PushDoubleFrameSize) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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2048 /* input frame size in bytes = 2048 samples * 1 channel * 1 bytes/sample */,
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10 /* count */,
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20480 /* expected output size = 20 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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4096 /* input frame size in bytes = 2048 samples * 1 channel * 2 bytes/sample */,
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10 /* count */,
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40960 /* expected output size = 20 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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8192 /* input frame size in bytes = 2048 samples * 1 channel * 4 bytes/sample */,
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10 /* count */,
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81920 /* expected output size = 20 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push frames with a little bit larger (+5 samples) than the requested size.
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TEST_F(FrameReassemblerTest, PushLittleLargerFrameSize) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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1029 /* input frame size in bytes = 1029 samples * 1 channel * 1 bytes/sample */,
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10 /* count */,
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11264 /* expected output size = 11 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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2058 /* input frame size in bytes = 1029 samples * 1 channel * 2 bytes/sample */,
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10 /* count */,
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22528 /* expected output size = 11 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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4116 /* input frame size in bytes = 1029 samples * 1 channel * 4 bytes/sample */,
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10 /* count */,
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45056 /* expected output size = 11 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push frames with a little bit smaller (-5 samples) than the requested size.
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TEST_F(FrameReassemblerTest, PushLittleSmallerFrameSize) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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1019 /* input frame size in bytes = 1019 samples * 1 channel * 1 bytes/sample */,
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10 /* count */,
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10240 /* expected output size = 10 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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2038 /* input frame size in bytes = 1019 samples * 1 channel * 2 bytes/sample */,
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10 /* count */,
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20480 /* expected output size = 10 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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4076 /* input frame size in bytes = 1019 samples * 1 channel * 4 bytes/sample */,
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10 /* count */,
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40960 /* expected output size = 10 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push single-byte frames
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TEST_F(FrameReassemblerTest, PushSingleByte) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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1 /* input frame size in bytes */,
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100000 /* count */,
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100352 /* expected output size = 98 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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1 /* input frame size in bytes */,
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100000 /* count */,
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100352 /* expected output size = 49 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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1 /* input frame size in bytes */,
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100000 /* count */,
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102400 /* expected output size = 25 * 4096 bytes/frame */,
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separateEos);
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}
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}
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// Push one big chunk.
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TEST_F(FrameReassemblerTest, PushBigChunk) {
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ASSERT_EQ(OK, initStatus());
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for (bool separateEos : {false, true}) {
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_8,
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100000 /* input frame size in bytes */,
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1 /* count */,
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100352 /* expected output size = 98 * 1024 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_16,
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100000 /* input frame size in bytes */,
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1 /* count */,
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100352 /* expected output size = 49 * 2048 bytes/frame */,
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separateEos);
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testPushSameSize(
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1024 /* frame size in samples */,
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48000 /* sample rate */,
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1 /* channel count */,
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PCM_FLOAT,
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100000 /* input frame size in bytes */,
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1 /* count */,
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102400 /* expected output size = 25 * 4096 bytes/frame */,
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separateEos);
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}
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}
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} // namespace android
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